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Project Managers Assessment Safety and Health Through October 31, - PowerPoint PPT Presentation

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Project Managers Assessment Safety and Health Through October 31, 2018, WRPS Tank Operations Contract (TOC) had worked 8,915,553 hours (631 days) without a Lost Time Workday Injury and 68,200 hours (5 days) since the last Recordable case. The

  1. Project Manager’s Assessment Stack Monitors • Testing preparations are ongoing for AP Farm stack monitoring and evaluations have begun for AW, 702-AZ, AN, AW and AX stacks. • A Farm stack monitor design is ongoing and remains on schedule to complete by calendar month December 2018 in support of the Settlement Agreement deliverable. Public Address Systems : The excavation and concrete foundations field activities are ongoing. Modifications have been completed on the Reader boards and boards are ready for installation. Chemical Vapors Program Chemical Protection Program Office (CPPO) : Drs. Pamela Tijerina and Mike Lumpkin, toxicologists from the Center for Toxicology and Environmental Health, continued to draft a report on the availability of clinical biomarkers for health effects from chemicals of potential concern exposures. This research supports risk communication efforts following vapors-related visits of tank farm workers to the Hanford clinics. Work also continued in the development of CPPO notebooks related to Evaporator campaign 8 data, the new work permit process, and the new IH Technicians workspace in the 200 East area. The CPPO-led focus group report has been drafted. The final report, including observations and recommendations for improving the effectiveness of vapors information, is in management review. Industrial Hygiene Manual : IH issued a major revision to TFC-ESHQ-IH-C- 48, Managing Tank Chemical Vapors, intended to, “simplify risk classification cate gories, align terminology with industry standards, and assist in the demarcation and communication of areas with greater potential of tank che mical hazards.” Exclusion Zones replaces Vapor Control Zone as the term used to demarcate, “the boundary of potential vapor emission source greater than 50% of the Oc cup ational Exposure Limit (OEL).” Production Operations 222-S Laboratory • Completed analysis of Air Proficiency Test samples, which is necessary to maintain IH accreditation for vapor analyses. • Completed the installation of the new Mobius-B Cooler on Gamma Energy Analyzer 190. • Completed the facility upgrade design, including an ancillary equipment addition and remodel. Completed installation and testing of a second kiosk in the 222-S Laboratory to support Lab Status Board (LSB) availability. The kiosk will provide a secondary LSB interface point for lab personnel. A months-long project to upgrade the HVAC system in the 222-S Laboratory was recently completed. The units now work together more effectively and automatically, providing greater flow balancing and increased efficiency. The improved energy efficiency resulted in a rebate from the Bonneville Power Administration, based on the projected savings during the life of the system. In the same timeframe of the HVAC upgrade, the construction team also renovated one of the building’s several lab rooms. The overhaul involved stripping everything out of the room, installing new walls and floors, vent hoods, gas piping, and other equipment. It was part of an ongoing effort to renovate the laboratory rooms one-by-one. Technical Support : Completed the annual WRPS Lockout/Tagout (LOTO) Program Assessment. This was the first performance-based LOTO assessment at WRPS, following corrective actions initiated in 2017 in response to four hazardous energy control events within three weeks. Although these events did not result in the initiation of work on an energized system, WRPS conducted a common cause analysis resulting in formal corrective actions. The Safety Amendment for “The Safety Basis Implementation Checklist for Tank Farms Safety Basis Amendment for Tank Farms Auto mat ion,” was issued. The purpose of the amendment is to implement changes on Limiting Condition for Operations (LCO) 3.5, Double-Shell Tank (DST) Annulus Flammable Gas Control and 3.6, Double- Contained Receiver Tank (DCRT) Steady-State Flammable Gas Control. The amendment added new LCOs: 3.10, Waste Transfer System Freeze Protection (Automation) and 3.11, DST Annulus High-Level Alarm (Automation). October 2018 - FY 2019 4

  2. Project Manager’s Assessment Engineering Tank Farm Automation (Part-1) : Process and Control System (P&CS) Engineering completed Tank Farm Safety Programmable System testing and baselining activities. The P&CS engineers worked with the Tank Farm Project Team to officially turn over part one of tank farm automation freeze protection to Operations. The safety system includes annulus liquid level detection and pit temperature monitoring that reports directly back to the central control room and enterprise historian (OSI-Pi). P&CS Engineering also field-deployed a software update to support Operations electronic turnover process following changes to the Safety Basis Amendment. Electronic Rounds (eRounds) : In order to expand automation capabilities in the Effluent Treatment Facility (ETF), six main operator rounds procedures were migrated into electronics rounds system and are now active and available electronically using eRounds. Similar to tank farm area teams, Operations in ETF will now be able to perform rounds electronically using eRounds as training and familiarization continue. Closure and Interim Measures Waste Management Area (WMA) C : WRPS supported two additional public meetings in Portland and Seattle on the WMA C Waste Incidental to Processing (WIR) Evaluation. A second session was held in Portland, led by the Oregon Department of Energy, after the initial public meeting. Comments and questions were asked by the public, and WRPS supported DOE with answers. WRPS also participated in question preparation sessions with DOE personnel. The Nuclear Regulatory Commission (NRC) consultation on the WMA C WIR Evaluation and 435.1 PA are continuing. The consultation sessions have been increased to two per week with the NRC. WMA A-AX : Work continues on the Uncertainty/Sensitivity, Atmospheric Pathway, and Radon Environmental Model Calculation Files (EMCFs) supporting the WMA A/AX preliminary Performance Assessment (PA). The FY 2019 contract with Atkins to continue Focus Area 1 direct push activities is underway. Integrated Disposal Facility (IDF) Performance Assessment (PA) : A clearance review of the IDF is in progress, and is with ORP. Mission Integration and Chief Technology Office Service providers have been identified for all FY 2019 Chief Technology Office (CTO) scope and placement of contracts with respective vendors is in progress. CTO is collaborating with Mission Integration and ETF Process Engineering on alternatives for disposition of the ETF brine. Conceptual design for the NUCON pilot test infrastructure was issued in support of the project for a field demonstration of the NUCON Vapor Abatement Unit. New Software Applications : The Near-Term Operations tool (NTO) has been developed, released, and integrated into Multi-Year Operational Planning. The Long-Term Operations (LTO) tool has been developed as a prototype. Both provide high-level modeling in a significantly reduced turnaround time compared to TOPSim, the current model that simulates the entire River Protection Program mission. In the coming months, Mission Analysis will continue to enhance the functionality of both to improve further overall utility of the applications. Vapors-Specific Expert Advisor Software : The CTO led the development of a Hanford vapors-specific expert advisor software application with AECOM. The purpose of this project is to develop and mature a machine-learning platform, leveraging data analytics to define and refine algorithms to relate available empirical monitoring data (such as stack monitor data, IH data, and meteorological data) to models results. The project will also develop a program capable of analyzing the data to assess impacts of vapors at the worker breathing zone and impacts of monitoring results on the IH vapor program. The platform is being developed collaboratively with worker input received from IH, Engineering, and Operations. This work will be completed over multiple phases. Phase 1 development is in progress and culminated in a demonstration of the software for WRPS management and ORP. The implementation and turnover of revision zero (0) of the program is scheduled to occur by February 2019. October 2018 - FY 2019 5

  3. Safety Statistics As of October 31, 2018 WRPS Tank Operations Contract has worked 8,915,553 hours (631 days) without a Lost Time Workday Injury and 68,200 hours (5 days) since the last Recordable case. Integrated Safety Management System The Fiscal Year (FY) 2019 cumulative performance indicators for Recordable cases (0.95) and DART cases (0.00) surpassed the U.S. Department of Energy Office of Environmental Management (DOE-EM) goals of 1.10 and 0.60, respectively. Additionally, the 12-month rolling average safety rates remained low, with a rate of 0.15 for Recordable cases and 0.00 for DART cases. Days Away, Restricted Workdays or Transferred Total Recordable FY 2019 Cumulative Summary (DART) FY 2019 Cumulative Summary * * * Score Based on FY 2019 Cumulative Case Rate October 2018 - FY 2019 6

  4. Safety Statistics (cont.) Data as of October 31, 2018 Days Away, Restricted Workdays or Transferred (DART) 12 Month Rolling Average Summary Total Recordable 12 Month Rolling Average Summary First Aid Case Rate - 12 Month Rolling Average Summary Two Recordable cases in October: While cutting conduit with porta band saw employee received a laceration to the • finger. • While exiting locker room, employee caught finger in door jam causing laceration and fracture to finger tip. Two First Aid cases in October: • While wearing level 3 gloves employee was removing a metal post, employee’s finger got caught on a sharp center post support causing minor abrasion to finger. Employee positioned hand on pipe coming in contact with an insulation tie wire • causing an abrasion. October 2018 - FY 2019 7

  5. PMB Funds Analysis by Year FY 2009-2018 Actuals Carryover from FY 2018 LAWPS Carryover LAWPS Capital Projected FY 2019 Expense PMB Fee $1,000.0 Projected Expense PMB funding for FY 2019 is $684.2M. The $41.0 $900.0 projected funding for LAWPS in FY 2019 is $52.2M. The fee pool for FY 2019 is $41.0M. The FY 2018 Carryover is $69.5M. $800.0 There is $79.4M in LAWPS Carryover, for a total of $926.3M. $ Millions $700.0 $48.9 $48.2 $38.6 $600.0 $684.2 $28.3 $500.0 $32.9 $28.0 $21.6 $400.0 $23.5 $19.0 $675.5 $634.9 $300.0 $584.2 $17.9 $523.7 $471.0 $430.4 $409.9 $200.0 $362.0 $366.6 $52.2 $261.6 $79.4 $100.0 $69.5 $- October 2018 - FY 2019 8

  6. Performance Based Incentive Profile PBI Milestone by Calendar Float • Three PBI Milestones have negative calendar float • 22 of all remaining PBI Milestones (not all listed) have <10 days of Calendar Float • Implemented Contract Modification 498 for FY 2019 Terminal Current Calendar Activity ID Activity Description Date Forecast CSLM Float Complete shipment of the processed waste (maximum 2,000 gallons) 1 PBI-55.0.1 3/26/19 7/16/19 -108 -112 totes to the off-site vendor.(3/26/19) Complete one (1) 222-S Laboratory Facility upgrade design: 2) 222-SL 2 PBI-50.0.5.2 9/30/19 10/21/19 -16 -21 Cold Lab Complete installation of equipment necessary to support waste 3 PBI-50.0.8 9/30/19 10/3/19 -3 -3 transfers thru the AY-02A pit while isolated from tank AY-102 Completeone (1) 222-S Laboratory Facility upgrade design: 1) Fire 4 PBI-50.0.5.1 9/30/19 9/30/19 -5 0 Alarm System Complete one (1) 222-S Laboratory facility upgrade: (1) Potable water 5 PBI-50.0.15 9/30/19 9/30/19 -1 0 air gap installation Submit Integr DFLAW Feed Qual Prog Descrip incorporating TSCR & 6 PBI-51.0.7 9/30/19 9/30/19 0 0 WFD to WTP from AP Farm Complete preparation of the draft Preliminary WMA A-AX Performance 7 PBI-52.0.7 9/30/19 9/30/19 -1 0 Assessment (PA) 8 PBI-50.0.18 Removal of AP-102 pump to support Tank Farm Upgrades 2/28/19 2/26/19 2 2 Complete 60% installation design for Cross-Site Activation upgrades to 9 PBI-50.0.9 9/30/19 9/27/19 1 3 SY-01A, SY-02A. SY A, SY-B, and AN-01A pits 10 PBI-50.0.14.2 Complete one (1) Effluent Treatment Facility (ETF) upgrade: 2) Peroxide 9/30/19 9/26/19 2 4 Destruction Decomposer Vessel removal and installation • Zero (0) PBIs Completed October Calendar Month • 5 PBIs Forecast to Complete 1 st Quarter FY 2019 October 2018 - FY 2019 9

  7. Not-to-Exceed (NTE) Tracking Report October 2018 - FY 2019 10

  8. NTE Tracking Report (cont.) October 2018 - FY 2019 11

  9. NTE Tracking Report (cont.) October 2018 - FY 2019 12

  10. Contract Change Proposal Summary October 2018 - FY 2019 13

  11. SV/CV Forecast Projections October 2018 - FY 2019 14

  12. Small Business Reporting Through October 2018, WRPS has awarded a total of $1,797M in subcontracts, of which $1,167M (64.9%) CTD is attributed to small businesses. The CTD awards to small businesses exceeds the 58.2% small business subcontracting goal as listed in our prime contract. WRPS will continue to promote small business subcontracting by setting aside procurement actions for small businesses when appropriate, as well as by reaching out to new small businesses in furtherance of this objective. The Small Business Program Manager (SBPM) completed both WRPS’ Individual Summary Subcontract (ISR) and Summary Subcontract Report (SSR) on time. All vendors required to report on their ISR’s due to having a Small Business Subcontracting plan reported on time and have been approved in the eSRS system by the SBPM. In October, the SBPM attended “Meet the Bigs ” in Airway Heights, WA to find additional small businesses looking to do business with WRPS. The SBPM is still actively engaged and participates on the Hanford Small Business Council. The SBPM has continued to update the small business webpage on the external procurement website with small business information and events to help assist additional vendors. The BOA process has continued to show success when soliciting for staff augmentation positions based on socio-economic needs. It has been a tremendous avenue for WRPS to utilize and assist with meeting and/or exceeding our small business goals. In addition to the events noted above, and in order to improve our overall small business goal in all socio-economic categories, the SBPM has been utilizing SAM.GOV and the Small Business Dynamic Search (SBDS) with solicitations/EOI to reach out to businesses who fall into those socio-economic categories, to look at our solicitations, and sending them solicitations to bid on. The SBPM also works collaboratively with Washington PTAC to try and find new businesses in the area that are wanting to do work with the Hanford Site. October 2018 - FY 2019 15

  13. Baseline Change Requests BCR # BCR Title CP# NCC AUW CBB DB UB PMB MR TAB CBB/TAB Starting Point (In Thousands) $4,765,482 $759,043 $5,524,526 $5,421,184 $93,214 $5,514,398 $10,128 $5,524,526 Expense $588,520 -$572,506 $4,777 -$92 $11,329 RPP-19-001 FY 2019 Rate Change/Contract Alignment Multiple $16,014 $4,685 $16,014 RPP-19-012 Negotiated FY19 Work Scope Change AUW to NCC Multiple $31,555 -$31,555 $0 -$1,685 -$1,685 $1,685 $0 Capital RPP-19-001 FY 2019 Rate Change/Contract Alignment Multiple $0 $178 -$78 $100 -$100 $0 RPP-19-008 Additional FY19 Testing and Test Equipment Disposition 18-007 $453 $453 $453 $453 $453 RPP-19-012 Negotiated FY19 Work Scope Change AUW to NCC 18-001 $13,347 -$13,347 $0 -$1,661 -$1,661 $1,661 $0 Administrative RPP-19-003 FY 2019 Indirects Rate Change/Contract Alignment RPP-19-004 FY 2019 PBI Milestone Revisions RPP-19-007 SST Retrieval Errata CACN Request RPP-19-010 TBI Stop Work LOE Adjustment RPP-19-011 October FY19 Administrative Changes Monthly BCR Impacts $633,422 -$616,955 $16,467 $5,408 -$3,516 $1,892 $14,575 $16,467 CBB/TAB Ending Point (In Thousands) $5,398,905 $142,088 $5,540,993 $5,426,592 $89,698 $5,516,290 $24,703 $5,540,993 October 2018 - FY 2019 16

  14. Risk Management Assessment Management of TOC risks continued in October 2018. TOC key risks cross cutting the various programs and projects are identified below along with their associated ongoing/planned handling actions, status of the handling actions, any emergent quality issues, staffing, alternative courses of action or other problems that may impact the baseline scope. During the month of October WRPS maintained 40+ active risk registers October 2018 - FY 2019 17

  15. Risk Management Assessment (cont.) WRPSC-0001-R: Contract Direction Not Received When Required (NTE) Actions/Recovery Plans Establish NTEs for work to be negotiated maximizing authorized funding. (ongoing) (Status/Effectiveness) Issues/Impacts -SX Interim Barrier Phase 3 Alternatives (Staffing/Quality) None Recovery Implementation Establish NTEs for work to be negotiated maximizing authorized funding. Issue weekly critical needs list that includes NTEs. Two-year budget passed. FY19 budget has successfully been negotiated (and additional $90M in scope has been added) WRPSC-0002-R: Resource Not Available When Required Actions/Recovery Plans Resource loaded scheduling where appropriate. (ongoing) (Status/Effectiveness) Metrics to trend hiring and attrition. (ongoing) Implement additional training classes for IHTs, HPTs, and NCOs as needed to proactively address forecast growth and attrition. (ongoing) Issues/Impacts Technical resources needed for CVAP support (atmospheric scientist) WRPS needs to prepare for an additional $90M in budget/scope. Alternatives (Staffing/Quality) Latest forecast for CH reduction of IHTs shows both a small reduction and a delay in the planned ROF. The ROF still presents an opportunity, but may be delayed a quarter of two due to recent halt in PFP demolition. Recovery Implementation Scope and skill mix alignment reviewed as part of scope deferrals. (ongoing) Improve coordination with HPTs and fieldwork (ongoing) Posting subcontracted staff resources and reach back. Weekly meetings with HR to determine staffing needs and fill necessary resource gaps. WRPS is preparing resources for an additional $90M in budget. WRPSC-0003-R: Tank Vapors Control Impact Project Execution Actions/Recovery Plans Engage w/workforce to identify PPE issues and communicate resolution. (ongoing) (Status/Effectiveness) Issues/Impacts AP farm moved back to using SCBA Bottles nearing expiration, cracks, wearing out and there is a concern of availability of bottles with the increase in field work for FY19 Increased resources will be needed for FFAPR rollout. Alternatives (Staffing/Quality) None Recovery Implementation Implementing Comprehensive Vapors Action Plan Hanford Atomic Metal Trades Council (HAMTC) have jointly agreed to allow use of full-face air-purifying respirators (FFAPRs) in Hanford’s SY Farm for specific work evolutions. Continue to evaluate FFAPR in additional farms. October 2018 - FY 2019 18

  16. Risk Management Assessment (cont.) WRPSC-0004-R: DST Space Not Available Actions/Recovery Plans Continue Evaporator Campaigns. (Status/Effectiveness) Continue level rise modifications. DST Integrity Program and risk evaluation/recommendations document (complete- RPP-ASMT-61284). Issues/Impacts P-B-1 failure could cause large delays for evaporator campaigns Near the end of FY 2023, our DST space posture is problematic: An evaporator outage increases the programmatic risk that available DST space will not support all commitments (safe storage, DFLAW preparation, startup and operations; SST retrievals) with the consequence increasing as the duration of the outage increases. So therefore, from a DST space perspective, reasonable steps should be taken to minimize the duration of the outage. Alternatives (Staffing/Quality) None Recovery Implementation Perform further DST level rise analysis for AN/AW farms. (Planning) Reinstate the Cross Site Transfer Lines. (Planning) EC-08: April 20-May 3 (Complete) EC-09: July (was not completed due to P-B-1 failure and could delay EC-10) WRPSC-0005-R: Tank Integrity in East is Compromised Perform DST Integrity Program and risk evaluation (RPP-ASMT-61284) and implement recommendations. Actions/Recovery Plans UT scans of the AY-101 primary tank wall indicate a new site of wall thinning with up to 26% loss, evaluation and extent of condition is in progress. (Status/Effectiveness) WRPS is waiting on evaluation/extent of conditions report to determine the current risk level. The evaluation will determine additional handling actions. WRPS may need to prepare a plan in advance to empty AY-101. Install transfer line through AY02A. Increase frequency of ECs (Proposed Handling Action). AY-02A in pit transfer line Cross Site reactivation Issues/Impacts Reprioritizing work Wall thinning has been found in AY-101 Alternatives (Staffing/Quality) None Recovery Implementation Continue UT inspections of primary tank walls and annulus floors (nominal 3 per year). Consider additional annulus floor UT inspections as resources allow. Continue tank sampling and chemistry program to ensure waste chemistry prohibits corrosion Continue development of technology to inspect underneath the tank primary liner. Continue development of technology to inspect primary liner floor (not accessible for UT) October 2018 - FY 2019 19

  17. Risk Management Assessment (cont.) WRPSC-0006-R: Tank Integrity in West is Compromised Actions/Recovery Plans Perform DST Integrity Program and risk evaluation (RPP-ASMT-61284) and implement recommendations (Status/Effectiveness) Initiate efforts to reinstate/qualify cross-site transfer lines - Continue pre-project activities to restore cross-site transfer line operability Issues/Impacts Unable to pump waste in west area to available space will have massive cost consequences Alternatives (Staffing/Quality) None Recovery Implementation Continue UT inspections of primary tank walls and annulus floors (nominal 3 per year). Consider additional annulus floor UT inspections as resources allow. Continue tank sampling and chemistry program to ensure waste chemistry prohibits corrosion Continue development of technology to inspect underneath the tank primary liner WRPSC-0007-R: Lack of Adequate Critical Spares Actions/Recovery Plans Conduct critical spares evaluation. (ongoing) (Status/Effectiveness) Plan refurbishment of critical spares into baseline. (ongoing) Procurement of usable spares (example LERF pumps). New leak detectors proof of concept. Issues/Impacts Delays to operations based on lead time for procurements. Alternatives (Staffing/Quality) None Recovery Implementation Establishment of maintenance organization is providing effective tool for addressing full scope of issues with spares allowing for more effective problem resolution. (ongoing – providing benefit) Procurement/Fabrication of Spare Pumps (ongoing) Critical spares for ETF are being divided into WRPS, Joint, and ORP owned risks. This division will help WRPS prioritize which components/spares need to be elevated and possibly included in the schedule/baseline. WRPSC-0008-R: Requirements Changes/ Interpretations of Requirements Actions/Recovery Plans Review contract directed changes per procedures/process and evaluate for downstream impacts to field work. (Status/Effectiveness) Prepare REAs as appropriate to respond to directed changes. (ongoing) Use agreed implementation plan. (ongoing) -LAWPS locked down current code of record. DSA amendment to isolate nitrogen blanket for supernate line from slurry cross site transfer line Issues/Impacts NTE work. Vapors Control boundaries (fences, roads, infrastructure etc.) Alternatives (Staffing/Quality) None Recovery Implementation Independent expert review of LAWPS leads team to explore alternative approaches and challenge unnecessary requirements October 2018 - FY 2019 20

  18. Risk Management Assessment (cont.) WRPSC-0009-R: Aging TOC Facilities & Infrastructure Maintain annual updates to Infrastructure Stewardship Plan. (ongoing – funding has limited effectiveness) Actions/Recovery Plans (Status/Effectiveness) Infrastructure Stewardship Plan for FY19 integrated with TOC risk management. Issues/Impacts A risk exists that aging infrastructure fails more often than anticipated and requires more upkeep and maintenance than expected. IQRPE will be completed at ETF and 242-A. CR funding could negatively impact infrastructure upgrade plans. Examples of realized risk: -PB-1 Failure -SL-167 Alternatives (Staffing/Quality) None Recovery Implementation 1) Identify and prioritize infrastructure upgrades. (ongoing) 2) Execute top ISP projects 3) Do a risk analysis of facilities and infrastructure (example PUREX Tunnel) 4) System health program at ETF (Started) 5) Conduct ISP project rankings (complete) WRPSC-0010-R: Complex Integration of Field Work Actions/Recovery Plans Utilize rolling 8-week work planning process and weekly integration meetings. (ongoing) (Status/Effectiveness) T4 Integration weekly meeting (ongoing) Issues/Impacts Waste disturbing activities requirements/guidelines will dictate a path forward. Weather has impacted fieldwork (delays and work cancellations). LOTO is a realized risk. Be impacts Significant budget/scope growth is expected FY19 and this risk is expected to become more prominent as project scope expands. Alternatives (Staffing/Quality) None Recovery Implementation Continue conducting T-4 integration meetings to allow Sr. Management the opportunity to evaluate the following work plans to determine if integration is needed before executing Continue to work with Other Hanford Contractors to ensure that support systems are available and will not impact Operations WRPSC-0011-R: Unexpected Field Conditions Encountered Actions/Recovery Plans Perform field walk downs as needed prior to design. (ongoing) (Status/Effectiveness) Perform radiological surveys prior to design work or as field conditions allow. (ongoing) Utilize GPR surveys in and around areas to be excavated. (ongoing) Investigate performance of riser/pit inspections w/o removal of cover blocks through utilization of some advance technology (cameras). (proposed) Redesign of retrieval systems (above ground) to minimize excavation needs. Early operational checks for transfer pumps and scheduled replacements. Issues/Impacts Cost and schedule delays Alternatives (Staffing/Quality) None Recovery Implementation Perform geophysical surface scanning (Ground Penetrating Radar - GPR) and visual inspection/sampling during geotechnical test pitting and borehole drilling (well before site preparation activities.) Look for voids and buried debris. October 2018 - FY 2019 21 Confirm location of utilities in excavation footprint.

  19. Risk Management Assessment (cont.) WRPSC-0012-R: Personal Protective Equipment (PPE) Availability Impacts Field Work Execution Actions/Recovery Plans Manage mask/cartridge/bottle needs across TOC. (Ongoing) (Status/Effectiveness) Establish interface with Hanford Fire Department for support. (Ongoing) Procure additional bottles/masks/cartridges based on forecasted needs. (Ongoing) Engage workforce to identify PPE issues and communicate resolution. (Ongoing) Develop and implement new software system for an inventory database at mask issuing stations. (Ongoing) Issues/Impacts Continuing resolution may impact funding availability. Alternatives (Staffing/Quality) None Recovery Implementation The possibility of using cartridges (phasing in of cartridge use for AP Farm) WRPSC-0013-R: Estimate Uncertainty Actions/Recovery Plans Continue estimate benchmarking. (Status/Effectiveness) Continue use of estimate templates. Get additional resources. Clearly communicate scope definitions. Develop and maintain MR model and BCR Tracking Tool (complete) Issues/Impacts Weather Impacts. CR impacts. LERF Cover Basin estimate, LAWPS Estimates and A/AX FY19/20 plan could cause risk to be realized. Alternatives (Staffing/Quality) Review results of estimate process and create path forward Recovery Implementation Completion of a post mortem evaluation of a recent instance where actual costs diverged most significantly from the initial estimate. Plan to do a mid/post review of FY 19/20 plan WRPSC-0014-R: Workforce Confidence Actions/Recovery Plans Workforce incentive program (Status/Effectiveness) CPPO Vapors communications (ongoing) Vapors Website (ongoing) VPP (ongoing) CVAP Management has not received any negative feedback regarding WRPS hazard control strategies Independent third party reviews for APR usage (ongoing) Issues/Impacts Loss of workforce confidence could lead to higher attrition rates Alternatives (Staffing/Quality) None Recovery Implementation Roundtable discussions All hands meetings CPPO Vapors communications (ongoing) Vapors Website (ongoing) Stack extensions in the farms October 2018 - FY 2019 22

  20. Risk Management Assessment (cont.) WRPSC-0015-R: Funding Shortfalls Impact the Ability to Accomplish Mission Goals and Objectives Actions/Recovery Plans Work with shareholders to make sure we do not encounter issues meeting regulatory agreements. (Status/Effectiveness) Completed development and submittal of the FY18 work plan including carryover funding. Issues/Impacts Workscope is deferred Alternatives (Staffing/Quality) Recovery Implementation Maintain IPL / ranking database for all fiscal year scope. Utilize IPL to develop recommendations for scope offsets for emergent scopes including EM 45-day review initiatives. Prepare work plan for FY 19/20 (completed) New Cross ss Cutting Ris Risks s (Status will be available for October report now that FY19 negotiations are complete) WRPSC-0016-R: Operational Software failures WRPSC-0017-R: Worker Locations/trailers Unavailable WRPSC-0018R: PFP Control Boundaries Cause WRPS Delays WRPSC-0019-R: Anticipated work Scope impacted by Permitting delays October 2018 - FY 2019 23

  21. Government Furnished Services and Information (GFS/I) October 2018 - FY 2019 24

  22. Tank Farm Projects Mock-up / Training for AP-02D Pump Removal

  23. Tank Farm Projects Key Deliverables Status FY2019 Key Deliverables Field Activities Target Forecast Complete Public Address System Reader Board Installation and Turnover Dec18 Dec18 Excavation and concrete pads completion November. Reader board modifications complete. Access/Egress Roadway Upgrade 7th Street Dec18 Dec18 Field activities begun November ETF Integrity Assessment Visual Inspections (7) Dec18 Dec18 Distillate Flash Tank, First & Second RO tank visual inspections completed 219-S Integrity Assessment Leak Testing and UT - 3 tanks Jan19 Jan19 One remaining Cross-Site Line Activation - Connect permanent power to 6241-V. Jan19 Jan19 Excavation and conduit installation underway. Single Shell Tank Visual Inspections (12) Jan19 Jan19 Two tank visual complete. Double Shell Tank Visual Inspections (9) Mar19 Mar 19 Miscellaneous Underground Storage Tanks Visual Inspections (3) Mar19 Mar19 TY/TX Automation installations Mar19 Mar19 Testing new communication loop ongoing AP-02A Jumper Replacement Apr19 Apr19 New jumper fabrication underway ETF Pump Station #2 Generator Upgrade May19 May19 219-S Integrity Assessment Visual Inspections - 3 tanks Jun19 Jun19 ETF Stairs and Ladder Replacements - (5) Jun19 Jun19 AP-106 Tank Modifications for Repurposing Jul19 Jul19 October 2018 - FY 2019 26

  24. Tank Farm Projects Key Deliverables Status FY2019 Key Deliverables Design/Procurement/Fabrication Target Forecast 242-A Evaporator Spare PB-1 and PB-2 Pump Fabrication Contract Award Dec18 Dec18 Specification reviewed; comments being incorporated. Cross-Site Line Activation - Complete fabrication of nitrogen addition skid. Mar19 Mar19 Design 90% complete ETF RO Pumps & Valving design Apr-19 Apr-19 30% in-house design started. Leak Detection Pit Intrusion Mitigation Equipment Procure/Test Apr19 Apr19 ETF Load-In Drain & Filter System IQRPE award Apr19 Apr19 30% design started Procure ETF Vapor Compressor Jun19 Jun19 MR approved. ETF Chiller Upgrade design/procure Aug-19 Aug-19 Design SOW approved. RFP issued November. ETF Integrity Assessment IQRPE Report Sep19 Sep19 Cross-Site Line Activation - Complete DSA Amendment for nitrogen addition to SNL-3150 encasements. Sep19 Sep19 ETF 4% Caustic Tank design /procure Sep19 Sep19 ETF Life Cycle Study Complete Sep19 Sep19 ETF Brine Stabilization design Sep19 Sep19 RFP released for bid October 2018 - FY 2019 27

  25. Tank Farm Projects DNFSB/TPA/Consent Decree Milestones October 2018 - FY 2019 28

  26. Tank Farm Projects FY19 PBI Milestones TFP % Probability of Fieldwork Completion Field Float PBI Completion Total Float per completion by PBI # WBS PBI Title Terminal Dates Analyst POC Level 1 11/12/18 (to 8/31/19) 11/12/18 Terminal Date 09/30/19 PBI-49.0.1.1 5.1.1.3.10.3 Complete one (1) grab samples in support of the Tank Operations Contract (TOC) 30-Sep-19 Earhart, A Stoner, R Geary, J 21-Nov-18* 194 30-Nov-18* 209 80% mission Sample #1 PBI-49.0.1.2 5.1.1.3.10.3 Complete one (1) grab samples in support of the Tank Operations Contract (TOC) 30-Sep-19 Earhart, A Stoner, R Geary, J 28-Jan-19* 151 04-Feb-19* 166 80% mission Sample #2 PBI-49.0.1.3 5.1.1.3.10.3 Complete one (1) grab samples in support of the Tank Operations Contract (TOC) 30-Sep-19 Earhart, A Stoner, R Geary, J 21-Mar-19* 114 28-Mar-19* 129 80% mission Sample #3 PBI-49.0.1.4 5.1.1.3.10.3 Complete one (1) grab samples in support of the Tank Operations Contract (TOC) 30-Sep-19 Earhart, A Stoner, R Geary, J 01-May-19* 85 08-May-19* 100 80% mission Sample #4 PBI-49.0.1.5 5.1.1.3.10.3 Complete one (1) grab samples in support of the Tank Operations Contract (TOC) 30-Sep-19 Earhart, A Stoner, R Geary, J 13-Jun-19* 55 20-Jun-19* 70 80% mission Sample #5 PBI-49.0.1.6 5.1.1.3.10.3 Complete one (1) grab samples in support of the Tank Operations Contract (TOC) 30-Sep-19 Earhart, A Stoner, R Geary, J 29-Jul-19* 24 05-Aug-19* 39 80% mission Sample #6 PBI-49.0.1.7 5.1.1.3.10.3 Complete one (1) grab samples in support of the Tank Operations Contract (TOC) 30-Sep-19 Earhart, A Stoner, R Geary, J 29-Jul-19* 24 05-Aug-19* 39 80% mission Sample #7 PBI-49.0.2.1 5.1.1.3.11.3 Complete one (1) core sample in support of the Tank Operations Contract (TOC) 30-Sep-19 Earhart, A Stoner, R Geary, J 18-Sep-19* -12 23-Sep-19* 5 80% mission PBI-49.0.2.2 5.1.1.3.11.4 Complete Core sample tear down and relocation, preventative maintenance, 30-Sep-19 Earhart, A Stoner,R Geary, J 23-Aug-19* 5 23-Sep-19* 5 80% readiness activities, and training. PBI-49.0.5.1 5.1.1.5.48.2 Perform Ultrasonic Testing (UT) Examination of one (1) DST 30-Sep-19 Spinato, N Castleberry, J Geary, J 06-Dec-18* 185 13-Dec-18* 200 80% PBI-49.0.5.2 5.1.1.5.48.2 Perform Ultrasonic Testing (UT) Examination of one (1) DST 30-Sep-19 Spinato, N Castleberry, J Geary, J 28-Feb-19* 129 07-Mar-19* 144 80% 5.1.1.5.48.2 PBI-49.0.5.3 Perform Ultrasonic Testing (UT) Examination of one (1) DST 30-Sep-19 Spinato, N Castleberry, J Geary, J 16-May-19* 74 23-May-19* 89 80% PBI-49.0.6.1 5.1.1.5.44 Install a retractable corrosion monitoring probe in one (1) DST 30-Sep-19 Torres, M Castleberry, J Geary, J 06-May-19* 82 20-May-19* 92 80% PBI-49.0.7.1 5.1.1.5.20.5 Procure, design, fabricate, and deliver double-shell tank (DST) annulus floor cleaning 30-Sep-19 Spinato, N Castleberry, J Geary, J 26-Jun-19* 46 03-Jul-19* 61 80% system PBI-50.0.2.1 5.1.4.1.69.9 Complete four (4) double ‑ shell tank farm upgrades in support of the AW, AY/AZ, AN, 30-Sep-19 Powers, K Larsen, D Geary, J 09-May-19* 79 16-May-19* 94 80% and SY Farm upgrades; 1)Leak detector relay replacement AY/AZ Farm PBI-50.0.2.2 5.1.4.1.69.9 Complete four (4) double ‑ shell tank farm upgrades in support of the AW, AY/AZ, AN, 30-Sep-19 Powers, K Larsen, D Geary, J 08-Apr-19* 102 15-Apr-19* 117 80% and SY Farm upgrades; 2)Leak detector relay replacement AN Farm Complete four (4) double ‑ shell tank farm upgrades in support of the AW, AY/AZ, AN, PBI-50.0.2.3 5.1.4.1.69.9 30-Sep-19 Powers, K Larsen, D Geary, J 22-Jul-19* 29 29-Jul-19* 44 80% and SY Farm upgrades; 3)Leak detector relay replacement AW Farm PBI-50.0.2.4 5.1.4.1.69.9 Complete four (4) double ‑ shell tank farm upgrades in support of the AW, AY/AZ, AN, 30-Sep-19 Powers, K Larsen, D Geary, J 31-Jan-19* 148 07-Feb-19* 163 80% and SY Farm upgrades; 4)Leak detector relay replacement SY Farm PBI-50.0.3.1 5.1.2.6.13.10 Complete one (1) basin cover replacement at LERF Basin 44 30-Sep-19 Morris, R Stoner, R Geary, J 19-Sep-19* -13 25-Sep-19* 3 80% October 2018 - FY 2019 29

  27. Tank Farm Projects FY19 PBI Milestones TFP % Probability of Fieldwork Completion Field Float PBI Completion Total Float per completion by PBI # WBS PBI Title Terminal Dates Analyst POC Level 1 11/12/18 (to 8/31/19) 11/12/18 Terminal Date 09/30/19 PBI-50.0.4.1 5.1.4.3.2 Complete a Liquid Effluent Retention Facility (LERF) upgrade design 30-Sep-19 Tschauner,J Wood, R Geary, J 29-Aug-19* 1 06-Sep-19* 16 80% 1) 310/311 Transfer Line design and RCRA permit modification submittal PBI-50.0.4.2 5.1.2.6.13.8 Complete a Liquid Effluent Retention Facility (LERF) upgrade 30-Sep-19 Morris, R Harrison, L Geary, J 19-Sep-19* -13 25-Sep-19* 3 80% 2) (2) Leachate Pumping System upgrade PBI-50.0.6.1 5.1.4.1.94 Replace the existing fire alarm panel at 2704-HV 30-Sep-19 Powers, K Jansen, J Geary, J 15-Aug-19* 8 26-Aug-19* 19 80% PBI-50.0.7.1 5.1.4.1.64 Complete installation of new waste transfer pump in AW-04A pump pit 30-Sep-19 Spinato, N May, D Geary, J 03-Jul-19* 41 11-Jul-19* 56 80% PBI-50.0.8.1 5.1.4.3.1 Complete installation of equipment necessary to support waste transfers thru the AY- 30-Sep-19 Spinato, N May, D Geary, J 03-Sep-19* -1 10-Sep-19* 14 80% 02A pit while isolated from tank AY-102 PBI-50.0.9.1 5.1.4.1.30 Complete 60% installation design for Cross-Site Activation upgrades to SY-01A, SY- 30-Sep-19 Spinato, N May, D Geary, J 29-Aug-19* 1 30-Aug-19* 20 80% 02A. SY ‑ A, SY-B, and AN-01A pits PBI-50.0.12.1 5.1.5.11.54 Complete stack extension field installation for AW farm primary exhauster and 30-Jun-19 Tschauner,J Nelson, R Geary, J 07-Mar-19* 60 14-Mar-19* 75 80% turnover to operations PBI-50.0.13.1 5.3.2.6.21 Contract award for the procurement and installation of AP Farm change trailer to 31-Jan-19 Koerner, C Jansen, J Geary, J 15-Jan-19* 2 29-Jan-19* 2 80% support Tank Farm Upgrades PBI-50.0.14.1 5.1.2.6. Complete three (3) Effluent Treatment Facility (ETF) upgrades; 1) Air Compressor 30-Sep-19 Morris, R Wood, R Geary, J 31-Jan-19* 148 06-Feb-19* 164 80% installation PBI-50.0.14.2 5.1.2.6.22 Complete three (3) Effluent Treatment Facility (ETF) upgrades; 2) Peroxide 30-Sep-19 Morris, R Harrison, L Geary, J 24-Oct-19* -38 31-Oct-19* -23 80% Decomposer Vessel removal and installation PBI-50.0.14.3 5.1.2.6.21 Complete three (3) Effluent Treatment Facility (ETF) upgrades; 3) Verification Tank #1 30-Sep-19 Morris, R Harrison, L Geary, J 26-Jun-19* 46 09-Jul-19* 58 80% repairs PBI-50.0.16.1 5.1.1.5.36 Complete the DST structural analysis of record (AOR) in support of the Tank 30-Sep-19 Torres, M Castleberry, J Geary, J 10-Sep-19* -6 24-Sep-19* 4 80% Operations Contract (TOC) mission PBI-50.0.17.1 5.1.5.11.56 Operational utilization of Vapor Monitoring and Detection System (VMDS) stack 30-Sep-19 Ulmer, K Stoner, T Geary, J 02-Jul-19* 42 08-Jul-19* 59 80% monitors in AN Farm for chemical monitoring PBI-50.0.17.2 5.1.5.11.56 Operational utilization of Vapor Monitoring and Detection System (VMDS) stack 30-Sep-19 Ulmer, K Stoner, T Geary, J 16-Jul-19* 50 19-Jul-19* 50 80% monitors in AW Farm for chemical monitoring PBI-50.0.17.3 5.1.5.11.56 Operational utilization of Vapor Monitoring and Detection System (VMDS) stack 30-Sep-19 Ulmer, K Stoner, T Geary, J 10-Apr-19* 0 30-Sep-19* 0 80% monitors in AX Farm for chemical monitoring PBI-50.0.17.4 5.1.5.11.56 Operational utilization of Vapor Monitoring and Detection System (VMDS) stack 30-Sep-19 Ulmer, K Stoner, T Geary, J 12-Jun-19* 56 15-Apr-19* 117 80% monitors in AY/AZ Farm for chemical monitoring PBI-50.0.17.5 5.1.5.11.56 Operational utilization of Vapor Monitoring and Detection System (VMDS) stack 30-Sep-19 Ulmer, K Stoner, T Geary, J 16-Jul-19* 0 30-Sep-19* 0 80% monitors in all five farms for chemical monitoring PBI-50.0.18 5.3.2.6.20 Removal of AP-102 pump to support Tank Farm Upgrades 28-Feb-19 Koerner, C Stoner, R Geary, J 11-Feb-19 2 26-Feb-19* 2 80% PBI-52.0.1 5.2.1.4.14 Complete SX barrier expansion at SX Farm 30-Sep-19 Powers, K Jansen, J Geary, J 27-Jun-19* 45 03-Jul-19* 61 80% October 2018 - FY 2019 30

  28. Tank Farm Projects Performance CM and FYTD Current Month FYTD FY End WBS BCWS BCWP ACWP SV CV BCWS BCWP ACWP SV CV SPI CPI BAC Fcst P Fcst Spend FCST SV FCST CV TCPI FCST P 5.01.01.03.09 - Tank Waste Sampling Program - OP 2-3 167 167 127 0 40 167 167 127 0 40 1.00 1.31 2,726 2,726 2,760 (0) (34) 0.97 CMSV $533 5.01.01.03.10 - Grab & ORSS Sampling 5 10 90 4 (80) 5 10 90 4 (80) 1.83 0.11 2,173 2,471 2,499 298 (28) 1.02 5.01.01.03.11 - Core Sampling 5 51 106 45 (55) 5 51 106 45 (55) 9.31 0.48 1,445 1,442 1,684 (3) (241) 0.88 CMCV ($1,030) 5.01.01.05.20 - DST Integrity Improvement Plan 0 4 7 4 (3) 0 4 7 4 (3) - 0.58 1,019 1,664 1,597 644 67 1.04 5.01.01.05.23 - CHEM-D-42 Leak Assessment 0 2 17 2 (15) 0 2 17 2 (15) - 0.11 515 578 737 63 (159) 0.80 FYTDSV $533 5.01.01.05.26 - Tank Integrity Chemistry & Corrosion OP 2-3 0 0 (1) 0 1 0 0 (1) 0 1 - - 215 215 214 (0) 1 1.00 5.01.01.05.33 - FFS-Simulant Valve Testing 0 16 185 16 (170) 0 16 185 16 (170) - 0.08 138 297 428 159 (131) 1.16 FYTDCV ($1,030) 5.01.01.05.36 - DST Structural AOR to Support Tank Lvl Increase 0 3 22 3 (19) 0 3 22 3 (19) - 0.14 1,011 1,365 1,450 354 (84) 0.95 5.01.01.05.37 - Miscellaneous Underground Storage Tanks 95 4 3 (90) 1 95 4 3 (90) 1 0.05 1.37 639 682 627 43 54 1.09 FYTD SPI 1.14 5.01.01.05.38 - Integrity Project Mgt & Oversight OP 2-3 165 165 109 0 56 165 165 109 0 56 1.00 1.52 2,706 2,706 2,773 0 (68) 0.95 5.01.01.05.40 - DST Integrity Ultrasonic Testing OP 2-3 450 158 162 (292) (4) 450 158 162 (292) (4) 0.35 0.98 1,463 1,448 1,551 (15) (103) 0.93 FYTD CPI 0.81 5.01.01.05.41 - SST Integrity Visual Inspection OP 2-3 44 37 23 (8) 13 44 37 23 (8) 13 0.83 1.58 1,151 1,094 1,170 (57) (75) 0.92 5.01.01.05.42 - Waste Transf Sys FFU Encasemnt Testing OP 2-3 0 28 98 28 (70) 0 28 98 28 (70) - 0.29 583 593 665 10 (72) 1.00 5.01.01.05.43 - DST Enhanced Annulus Visual Inpection OP 2-3 0 10 9 10 1 0 10 9 10 1 - 1.08 2,035 2,146 1,086 111 1,060 1.98 5.01.01.05.44 - Tank Chemistry Control OP 2-3 43 153 188 110 (35) 43 153 188 110 (35) 3.58 0.81 2,829 3,403 3,081 573 321 1.12 5.01.01.05.45 - ETF Integrity Assessment 21 23 11 1 12 21 23 11 1 12 1.06 2.07 653 878 738 225 141 1.18 5.01.01.05.47 - 219-S Integrity Assessment 0 11 30 11 (18) 0 11 30 11 (18) - 0.38 564 935 711 370 223 1.35 5.01.01.05.48 - DST Integrity Ultrasonic Testing (Opt. Period 3) 10 10 0 (0) 10 10 10 0 (0) 10 0.98 - 1,658 1,658 1,716 (0) (58) 0.96 5.01.02.06.13 - Replace ETF Basin Covers 24 132 31 108 101 24 132 31 108 101 5.54 4.27 8,900 9,037 8,942 136 95 1.00 5.01.02.06.14 - ETF Brine Stabilization 0 42 18 42 24 0 42 18 42 24 - 2.36 1,013 994 1,007 (19) (13) 0.96 5.01.02.06.15 - Replace ETF Failed Air Compressor 139 56 101 (83) (44) 139 56 101 (83) (44) 0.40 0.56 898 898 926 0 (27) 1.02 5.01.02.06.16 - ETF Stairs and Ladder Replacement 0 0 (0) 0 0 0 0 (0) 0 0 - - 443 443 443 (0) (0) 1.00 5.01.02.06.17 - ETF - Life Cycle Study 0 0 0 0 0 0 0 0 0 0 - - 229 229 215 0 14 1.07 5.01.02.06.18 - ETF - Chiller Upgrade 13 13 12 (0) 0 13 13 12 (0) 0 0.98 1.01 819 819 795 (0) 24 1.03 5.01.02.06.19 - ETF - 4% Caustic Tank 0 0 0 0 0 0 0 0 0 0 - - 265 265 276 0 (11) 0.96 5.01.02.06.20 - ETF - RO Pumps & Valving (w/CIP Pump) 0 50 17 50 33 0 50 17 50 33 - 2.90 409 409 395 (0) 14 0.95 5.01.02.06.21 - ETF - Repair Verif. Tanks Interior & Exterior 0 0 1 0 (1) 0 0 1 0 (1) - - 1,629 1,629 1,634 (0) (6) 1.00 5.01.02.06.22 - ETF - PDV Media/Columns Upgrade 19 0 0 (19) 0 19 0 0 (19) 0 - - 2,307 2,307 2,323 (0) (16) 0.99 5.01.02.06.23 - ETF - Procure/Install Pump Station #2 Generator 0 0 0 0 0 0 0 0 0 0 - - 469 469 469 (0) (1) 1.00 5.01.02.06.24 - ETF - Procure Vapor Compressor 0 0 0 0 0 0 0 0 0 0 - - 244 244 244 0 0 1.00 5.01.02.06.25 - ETF - Load-In Drain & Filter System 0 53 26 53 28 0 53 26 53 28 - 2.09 547 547 542 (0) 5 0.96 5.01.04.01.16 - TF Automation Upgrades (DNFSB Action 3-1) 0 17 36 17 (19) 0 17 36 17 (19) - 0.46 - 17 36 17 (19) - 5.01.04.01.18 - DST In-Pit Heating 0 17 44 17 (27) 0 17 44 17 (27) - 0.39 - 432 412 432 20 1.13 5.01.04.01.19 - Update ACES system 0 1 23 1 (21) 0 1 23 1 (21) - 0.06 - 55 80 55 (26) 0.92 5.01.04.01.30 - Cross-Site Transfer Line Activation 199 185 146 (14) 39 199 185 146 (14) 39 0.93 1.27 2,828 3,723 3,934 895 (210) 0.93 5.01.04.01.48 - DNFSB Recommendation 2012-2 Act 2-2 thru 2-4 0 40 175 40 (135) 0 40 175 40 (135) - 0.23 - 1,278 1,292 1,278 (14) 1.11 5.01.04.01.51 - Tank Farm Projects Prog Oversight - OP 2-3 891 891 826 0 65 891 891 826 0 65 1.00 1.08 14,585 14,585 15,182 0 (598) 0.95 5.01.04.01.64 - DST Transfer Pump Replacements OP 2-3 101 79 111 (22) (32) 101 79 111 (22) (32) 0.79 0.71 3,426 3,468 4,699 42 (1,231) 0.74 5.01.04.01.69 - Leak Detector Relay Replacement 13 13 19 (0) (6) 13 13 19 (0) (6) 0.98 0.68 1,369 1,789 1,920 420 (131) 0.93 5.01.04.01.77 - TF Automation Upgrades (FY17&18) 0 10 7 10 3 0 10 7 10 3 - 1.39 - 895 513 895 382 1.75 5.01.04.01.87 - DST TAPD and ISP Revision - OP 2-3 1 0 (12) (0) 12 1 0 (12) (0) 12 0.35 (0.02) 355 355 343 (0) 12 1.00 5.01.04.01.88 - Safety Shower Upgrades 0 0 1 0 (1) 0 0 1 0 (1) - - - 135 1 135 134 - 5.01.04.01.93 - Annulus Emergency Pumping Capability 0 10 32 10 (22) 0 10 32 10 (22) - 0.31 66 882 867 816 15 1.04 5.01.04.01.94 - Fire Alarm System Upgrades - 2704HV 0 1 25 1 (25) 0 1 25 1 (25) - 0.03 841 896 883 55 13 1.04 5.01.04.01.98 - AP-02A Jumper Repair 0 333 333 333 (1) 0 333 333 333 (1) - 1.00 - 351 357 351 (6) 0.78 5.01.04.03.01 - AY02-A Through Line 126 40 39 (86) 1 126 40 39 (86) 1 0.32 1.02 4,007 3,837 4,135 (170) (298) 0.93 5.01.04.03.02 - 310/311-PL Waste Transfer Lines 14 66 37 52 29 14 66 37 52 29 4.78 1.79 813 987 880 173 107 1.09 5.01.04.03.03 - Access/Egress Rdway Upgrd 7th to Craft Trailers 0 5 13 5 (8) 0 5 13 5 (8) - 0.37 - 276 139 276 137 2.16 5.01.04.03.04 - 242-A Evaporator Spare PB-1 Procurement 39 10 7 (29) 3 39 10 7 (29) 3 0.26 1.43 3,669 3,709 3,491 40 218 1.06 5.01.05.01.13 - Construction & Commissioning Mgmt - OP 2-3 232 232 149 0 84 232 232 149 0 84 1.00 1.56 3,799 3,799 3,632 0 167 1.02 5.01.05.11.49 - New Vapor Detection Technologies 0 91 30 91 61 0 91 30 91 61 - 3.02 - 197 56 197 141 4.12 5.01.05.11.51 - Head Space & Stack Sampling 0 0 0 0 0 0 0 0 0 0 - - 585 585 583 (0) 2 1.00 5.01.05.11.52 - Chemical Cartridge Evaluations 0 0 50 0 (50) 0 0 50 0 (50) - - - 197 279 197 (82) 0.86 5.01.05.11.53 - Tank Farms PA Systems for Event Notification 0 124 245 124 (121) 0 124 245 124 (121) - 0.51 - 225 498 225 (274) 0.40 5.01.05.11.54 - Chemical Vapor Engineered Control Upgrades 0 245 34 245 210 0 245 34 245 210 - 7.13 - 1,580 806 1,580 774 1.73 5.01.05.11.55 - Strobic Air Upgrade 0 0 3 0 (3) 0 0 3 0 (3) - - 203 203 180 (0) 23 1.15 5.01.05.11.56 - Vapor Monitoring & Detection System Upgrades 100 47 148 (53) (101) 100 47 148 (53) (101) 0.47 0.32 2,179 4,148 4,253 1,968 (105) 1.00 5.01.05.11.57 - Industrial Hygiene Trailer 0 31 468 31 (437) 0 31 468 31 (437) - 0.07 - 290 740 290 (450) 0.95 5.01.05.11.58 - SST Stewardship Program 72 17 33 (56) (16) 72 17 33 (56) (16) 0.23 0.51 2,008 2,021 2,050 13 (28) 0.99 5.02.01.04.11 - Interim SX Barrier - Construction 0 0 (2) 0 2 0 0 (2) 0 2 - - - 33 30 33 3 1.05 5.02.01.04.12 - Interim SX Barrier - North Construction 0 156 163 156 (7) 0 156 163 156 (7) - 0.95 - 201 360 201 (158) 0.23 5.02.01.04.13 - Interim SX Barrier - South Construction 0 65 186 65 (120) 0 65 186 65 (120) - 0.35 - 157 489 157 (332) 0.30 5.02.01.04.14 - Interim SX Barrier - Expansion Construction 905 54 128 (851) (74) 905 54 128 (851) (74) 0.06 0.42 3,739 4,481 5,802 742 (1,322) 0.78 5.03.02.06.08 - Project Management Upgrades support DFLAW 0 3 39 3 (36) 0 3 39 3 (36) - 0.08 - 353 46 353 307 53.78 5.03.02.06.09 - AP-107 Tank Farm Upgrades to Support DFLAW 0 0 10 0 (10) 0 0 10 0 (10) - - - 869 11 869 858 1,514.44 5.03.02.06.10 - AP-105 Tank Farm Upgrades to Support DFLAW 0 303 360 303 (57) 0 303 360 303 (57) - 0.84 - 992 906 992 86 1.26 5.03.02.06.16 - Tank Farm Upgrades Project Support 38 24 26 (14) (2) 38 24 26 (14) (2) 0.64 0.92 250 250 275 (0) (25) 0.91 5.03.02.06.17 - Tank-Side Cesium Removal Upgrades 0 21 (16) 21 37 0 21 (16) 21 37 - (1.30) - 21 (16) 21 37 - 5.03.02.06.20 - AP-02D Pump Removal 0 119 160 119 (41) 0 119 160 119 (41) - 0.74 2,560 3,043 3,400 483 (357) 0.90 5.03.02.06.21 - AP Farm Infrastructure 0 16 14 16 2 0 16 14 16 2 - 1.13 184 265 251 81 14 1.05 October 2018 - FY 2019 Total 3,933 4,466 5,496 533 (1,030) 3,933 4,466 5,496 533 (1,030) 1.14 0.81 89,817 106,822 108,157 17,006 (1,335) 1.00 31

  29. Tank Farm Projects Current Month Variances Current Month Schedule Variance $533k Current Month Cost Variance -$1,030k 5.1.1.5.40 DST Integrity Ultrasonic Testing (-$292k) 5.1.1.5.33 Simulant Valve Testing (-$170k) Cause: AP-107 UT delayed for demobilization/mobilization of trailer for boring of a Cause: Additional subcontractor costs for more complexity in teardown test sample in the area as well as resolution of generator issues. documentation for final report writing in response to challenges during testing Impact: AP-107 UT initiated three weeks behind schedule. Completion forecast Q1 Impact: Contributes to the VAC and is unrecoverable. FY2019. 5.1.4.1.98 AP-02A Jumper Repair ($333K) 5.1.4.1.48 DNFSB Recommendation 2012-2 Act 2-2 thru 2-4 (-$135k) Cause: Schedule recovery of fieldwork associated with the leak check at AP-02A. Cause: Additional engineering hours required to finish the Safety Required Evaluation However, test failed and new jumper to be fabricated for proper alignment. Documents (SRED) and Safety Integrity Level (SIL) calculations as result of change to Impact: Re-sequencing of AW-104 Pump Replacement and AY-02A Bypass scope to safety requirements. The SRED and SIL calculations are needed to start the test plan schedule in jumper replacement at AP-02A. which is needed for the OAT. Impact: The SRED and SIL calculations are required to start the testing plan, which is required for the OAT. 5.1.5.11.54 Chemical Vapor Engineered Control Upgrades ($245k) 5.1.5.11.53 Tank Farms PA Systems for Event Notification (-$121k) Cause: Schedule recovery related to receipt of AW stack structural steel, which was Cause: The addition of the Reader board CALs relocation and redesign of the reader previously planned for May 2018. boards during installation. Impact: NA Impact: Contributes to the VAC and is unrecoverable. 5.2.1.4.14 Interim SX Barrier – Expansion (-$851k) 5.1.5.11.57 Industrial Hygiene Trailer (-$437k) Cause: Delayed by behind schedule completion of punch list items North and South Cause: Usage of overtime by the subcontractor to complete installation of the 10 SX Barrier. Same crew to perform Expansion scope. wide trailer. Subcontractor CALs 1) New Fire alarm system, 2) addition of GFCIs, 3) Impact: NA Light pole interferences. Impact: Continued overrun utilizing OT to complete in November. 5.3.2.6.10 AP-105 Tank Farm Upgrades to Support DFLAW ($303k) 5.2.1.4.13 Interim SX Barrier South (-$120k) Cause: Schedule recovery of pit upgrade scope AP pump removal mock-up and Cause: Additional subcontractor cost to complete punch list items training. Impact: Overrun contributing to overall VAC. Not recoverable. Impact: Recovery of balance of the work forecast for November. October 2018 - FY 2019 32

  30. Tank Farm Projects Performance Cumulative to Date Cumulative to Date WBS BCWS BCWP ACWP SV CV SPI CPI BAC TCPI CTD SV ($16,548) 5.01.01.03.09 - Tank Waste Sampling Program - OP 2-3 2,892 2,892 2,624 0 268 1.00 1.10 5,451 0.97 5.01.01.03.10 - Grab & ORSS Sampling 2,193 1,899 2,259 (294) (360) 0.87 0.84 4,360 1.02 5.01.01.03.11 - Core Sampling 5 54 109 48 (55) 9.86 0.49 1,445 0.88  (-$2,021k) Vapor Monitoring & Detection 5.01.01.05.20 - DST Integrity Improvement Plan 2,008 1,367 1,270 (640) 97 0.68 1.08 3,027 1.04 5.01.01.05.23 - CHEM-D-42 Leak Assessment 470 409 731 (61) (322) 0.87 0.56 985 0.80 5.01.01.05.26 - Tank Integrity Chemistry & Corrosion OP 2-3 222 222 91 0 131 1.00 2.44 437 1.00  (-$1,593k) Interim SX Barrier Expansion 5.01.01.05.33 - FFS-Simulant Valve Testing 1,412 1,269 1,938 (143) (669) 0.90 0.65 1,550 1.16 5.01.01.05.36 - DST Structural AOR to Support Tank Lvl Increase 1,429 1,078 1,448 (351) (370) 0.75 0.74 2,440 0.95  (-$1,336k) Chemical Vapor Engineered Controls 5.01.01.05.37 - Miscellaneous Underground Storage Tanks 206 72 28 (134) 44 0.35 2.61 749 1.09 5.01.01.05.38 - Integrity Project Mgt & Oversight OP 2-3 2,809 2,809 1,964 0 845 1.00 1.43 5,349 0.95  (-$1,238k) DNFSB 2012-2 SS Flow 5.01.01.05.40 - DST Integrity Ultrasonic Testing OP 2-3 1,948 1,671 1,446 (277) 225 0.86 1.16 2,961 0.93 5.01.01.05.41 - SST Integrity Visual Inspection OP 2-3 1,436 1,485 1,250 49 234 1.03 1.19 2,542 0.92  (-$910k) Cross-Site Transfer Line Activation 5.01.01.05.42 - Waste Transf Sys FFU Encasemnt Testing OP 2-3 429 447 591 19 (143) 1.04 0.76 1,012 1.00 5.01.01.05.43 - DST Enhanced Annulus Visual Inpection OP 2-3 704 602 465 (101) 137 0.86 1.30 2,738 1.98  (-$886k) TF Automation Part 2 5.01.01.05.44 - Tank Chemistry Control OP 2-3 2,516 2,053 1,882 (463) 171 0.82 1.09 5,303 1.12 5.01.01.05.45 - ETF Integrity Assessment 1,868 1,633 1,053 (234) 581 0.87 1.55 2,500 1.18  (-$807k) Annulus Emergency Pumping Capability 5.01.01.05.47 - 219-S Integrity Assessment 1,090 666 508 (423) 158 0.61 1.31 1,654 1.25 5.01.01.05.48 - DST Integrity Ultrasonic Testing (Opt. Period 3) 10 10 0 (0) 10 0.98 - 1,658 0.96  (-$689k) AP-105 Tank Farm Upgrades 5.01.02.06.13 - Replace ETF Basin Covers 8,462 8,434 11,379 (28) (2,945) 1.00 0.74 17,339 1.00 5.01.02.06.14 - ETF Brine Stabilization 0 62 24 62 37 - 2.51 1,013 0.96  (-$640k) DST Integrity Improvement Plan – Guided Wave 5.01.02.06.15 - Replace ETF Failed Air Compressor 510 427 639 (83) (213) 0.84 0.67 1,268 1.02 5.01.02.06.16 - ETF Stairs and Ladder Replacement 285 285 238 0 47 1.00 1.20 728 1.00  (-$463k) Tank Chemistry Testing – LABS 5.01.02.06.17 - ETF - Life Cycle Study 0 0 0 0 0 - - 229 1.07 5.01.02.06.18 - ETF - Chiller Upgrade 13 13 12 (0) 0 0.98 1.01 819 1.03 5.01.02.06.19 - ETF - 4% Caustic Tank 0 0 0 0 0 - - 265 0.96  (-$423k) 219-S Integrity Assessment 5.01.02.06.20 - ETF - RO Pumps & Valving (w/CIP Pump) 0 50 17 50 33 - 2.90 409 0.95 5.01.02.06.21 - ETF - Repair Verif. Tanks Interior & Exterior 0 0 1 0 (1) - - 1,629 1.00  (-$420k) Leak Detector Relay Replacement 5.01.02.06.22 - ETF - PDV Media/Columns Upgrade 19 0 0 (19) 0 - - 2,307 0.99 5.01.02.06.23 - ETF - Procure/Install Pump Station #2 Generator 0 0 0 0 0 - - 469 1.00  (-$415k) DST In-Pit Heating 5.01.02.06.24 - ETF - Procure Vapor Compressor 0 0 0 0 0 - - 244 1.00 5.01.02.06.25 - ETF - Load-In Drain & Filter System 0 53 26 53 28 - 2.09 547 0.96  (-$364k) AP-02D Pump Removal 5.01.04.01.16 - TF Automation Upgrades (DNFSB Action 3-1) 8,557 8,557 10,601 0 (2,043) 1.00 0.81 8,557 - 5.01.04.01.18 - DST In-Pit Heating 5,774 5,359 7,048 (415) (1,688) 0.93 0.76 5,774 1.13  (-$351k) DST Structural AOR 5.01.04.01.19 - Update ACES system 532 479 445 (53) 33 0.90 1.08 532 0.92 5.01.04.01.30 - Cross-Site Transfer Line Activation 1,577 668 956 (910) (288) 0.42 0.70 4,206 0.93 5.01.04.01.48 - DNFSB Recommendation 2012-2 Act 2-2 thru 2-4 13,532 12,294 11,901 (1,238) 393 0.91 1.03 13,532 1.11 5.01.04.01.51 - Tank Farm Projects Prog Oversight - OP 2-3 29,189 29,189 27,827 0 1,363 1.00 1.05 42,882 0.95 5.01.04.01.64 - DST Transfer Pump Replacements OP 2-3 7,947 7,883 7,570 (64) 313 0.99 1.04 11,271 0.74 CTD CV ($9,239) 5.01.04.01.69 - Leak Detector Relay Replacement 1,474 1,054 1,143 (420) (89) 0.72 0.92 2,831 0.93  (-$9,244k) Interim SX Barrier 5.01.04.01.77 - TF Automation Upgrades (FY17&18) 4,082 3,196 1,419 (886) 1,777 0.78 2.25 4,082 1.75 5.01.04.01.87 - DST TAPD and ISP Revision - OP 2-3 779 778 575 (0) 203 1.00 1.35 1,133 1.00 5.01.04.01.88 - Safety Shower Upgrades 1,803 1,668 1,769 (135) (102) 0.92 0.94 1,803 -  (-$2,945k) ETF Basin Cover Replacements 5.01.04.01.93 - Annulus Emergency Pumping Capability 1,673 867 884 (807) (17) 0.52 0.98 1,739 1.04 5.01.04.01.94 - Fire Alarm System Upgrades - 2704HV 456 402 351 (54) 50 0.88 1.14 1,297 1.04  (-$2,045k) TF Automation Part 1 5.01.04.01.98 - AP-02A Jumper Repair 543 525 610 (18) (85) 0.97 0.86 543 0.78 5.01.04.03.01 - AY02-A Through Line 126 210 50 84 159 1.66 4.16 4,007 0.93  (-$1,688k) DST In-Pit Heating 5.01.04.03.02 - 310/311-PL Waste Transfer Lines 209 88 134 (121) (47) 0.42 0.65 1,008 1.09 5.01.04.03.03 - Access/Egress Rdway Upgrd 7th to Craft Trailers 308 37 36 (271) 1 0.12 1.03 308 2.16  (-$1,693k) New Vapor Technologies 5.01.04.03.04 - 242-A Evaporator Spare PB-1 Procurement 99 30 10 (69) 20 0.30 3.04 3,729 1.06 5.01.05.01.13 - Construction & Commissioning Mgmt - OP 2-3 6,432 6,432 5,341 0 1,091 1.00 1.20 9,999 1.02  (-$1, 351k) Vapor Monitoring and Detection 5.01.05.11.49 - New Vapor Detection Technologies 10,514 10,408 12,101 (106) (1,693) 0.99 0.86 10,514 4.12 5.01.05.11.51 - Head Space & Stack Sampling 190 190 60 0 130 1.00 3.15 775 1.00 OFFSET BY SAVINGS 5.01.05.11.52 - Chemical Cartridge Evaluations 8,946 8,749 7,624 (197) 1,125 0.98 1.15 8,946 0.86 5.01.05.11.53 - Tank Farms PA Systems for Event Notification 6,640 6,539 7,133 (100) (594) 0.98 0.92 6,640 0.40  ($1,777k) TF Automation Part 2 5.01.05.11.54 - Chemical Vapor Engineered Control Upgrades 4,143 2,807 3,279 (1,336) (472) 0.68 0.86 4,143 1.73 5.01.05.11.55 - Strobic Air Upgrade 2,972 2,972 1,718 0 1,254 1.00 1.73 3,176 1.15  ($1,363k) Tank Farm Oversight 5.01.05.11.56 - Vapor Monitoring & Detection System Upgrades 12,471 10,450 11,800 (2,021) (1,351) 0.84 0.89 14,550 1.00 5.01.05.11.57 - Industrial Hygiene Trailer 2,599 2,340 3,045 (259) (705) 0.90 0.77 2,599 0.95  ($1,254k) Strobic Air Upgrade 5.01.05.11.58 - SST Stewardship Program 1,516 1,447 1,167 (69) 280 0.95 1.24 3,452 0.99 5.02.01.04.11 - Interim SX Barrier - Construction 1,665 1,632 4,352 (33) (2,720) 0.98 0.38 1,665 1.05 5.02.01.04.12 - Interim SX Barrier - North Construction 4,459 4,413 6,579 (46) (2,166) 0.99 0.67 4,459 0.23  ($1,125k)Chemical Cartridge Evaluations 5.02.01.04.13 - Interim SX Barrier - South Construction 4,512 4,421 8,780 (91) (4,358) 0.98 0.50 4,512 0.30 5.02.01.04.14 - Interim SX Barrier - Expansion Construction 1,654 61 145 (1,593) (84) 0.04 0.42 4,488 0.78  ($1,091k) Construction & Commissioning 5.03.02.06.08 - Project Management Upgrades support DFLAW 1,568 1,219 616 (350) 603 0.78 1.98 1,568 53.78 5.03.02.06.09 - AP-107 Tank Farm Upgrades to Support DFLAW 5,734 4,866 5,333 (869) (467) 0.85 0.91 5,734 1,514.46 5.03.02.06.10 - AP-105 Tank Farm Upgrades to Support DFLAW 5,260 4,571 4,584 (689) (14) 0.87 1.00 5,260 1.26 5.03.02.06.16 - Tank Farm Upgrades Project Support 462 448 664 (14) (216) 0.97 0.67 673 0.91 5.03.02.06.17 - Tank-Side Cesium Removal Upgrades 229 229 38 0 191 1.00 6.00 229 - 5.03.02.06.20 - AP-02D Pump Removal 775 411 400 (364) 11 0.53 1.03 3,334 0.90 5.03.02.06.21 - AP Farm Infrastructure 119 55 46 (65) 9 0.46 1.20 303 1.05 Total 634,896 618,348 627,587 (16,548) (9,239) 0.97 0.99 720,780 1.00 October 2018 - FY 2019 33

  31. Tank Farm Projects CTD Schedule Variances CTD SV 2018 (-$16,548k) 5.1.1.5.20 DST Integrity Improvement Plan (-$640k) Cause: Guided Wave Non-Destructive Evaluation scope WBS 5.1.1.5.20.4 delays (-$630k) as result of a delayed acceptance of a vendor proposal after it was significantly higher than expected. Currently waiting on a decision in the Portfolio Management Review for authorization to proceed forward. Impact: Guided Wave project WBS 5.1.1.5.20.4 scope has been delayed into FY19 Corrective Action : No corrective action at this time. 5.1.4.1.30 Cross-Site Transfer Line Activation (-$910k) Cause: Delay as planning efforts took longer than anticipated to troubleshoot the leak detection tape. When power was restored to 6241-V the project identified that the leak detection had administrative locks that prevented power restoration. A work package Work Change Notice (WCN) was generated to take flammable gas readings at multiple locations to prove the Lower Flammability Limit (LFL) readings were below 25%, therefore allowing removal of the administrative locks. After weeks of planning, nuclear safety would not approve use of the WCN to remove the locks until a nitrogen blanket hold was proven on the encasement of the line. In addition, the pressure gauges currently holding a nitrogen blanket must all be calibrated. Additional requirements t came out of the PrHA Screening. Two additional ECN's, two additional Work Packages and a DSA Amendment now need to be completed before installation of the nitrogen pressure gauges and an isolation of the leak detection tape from the slurry line SNL-3160. A nitrogen addition system must be designed and fabricated to allow addition of nitrogen to the encasements. The subcontractor was delayed, as WRPS cannot support permanent power field activities due to higher priority scope (planned contract re-start and recovery expected to start November). Impact: Due to the DSA Amendment requirement, the fieldwork will experience a six-month delay. Permanent power installation forecast to begin schedule recovery in November and complete in Q1 FY19. Corrective Action: None. Nitrogen addition design and associated safety basis updates underway for transfer line activation evaluation. 5.1.4.1.48 DNFSB Recommendation 2012-2 SS Flow (-$1,238k) Cause: Delays in readiness and turnover. The readiness and turnover activities have been delayed due to untimely completion of the safety required equipment documentation (SRED). The SRED is required for the operational acceptance testing. Impact: The DNFSB Action 2-2 milestone completion was completed 7/23/2018. The DNFSB Action 2-3 milestone completion has been delayed to 2/19/2019, 2018 that has -94 days of float. The DNFSB Action 2-4 milestone completion has been delayed to 2/19/2019, 2018 that has -54 days of float. Corrective Action: The safety requirements changed which affected software and testing requirements. The project is working software engineers and ISA-84 engineer to help navigate the changes to the safety requirements 5.1.4.1.77 TF Automation Upgrades (FY17&18) (-$886k) Cause: Delays to installation of AP02A wireless infrastructure upgrades and AP/AN farm readiness activities. AP02A installation deferred into FY19 due to field resource constraints and company priority decisions. AP02A installation is not required for key priority milestone completion. The push of AP02A installation into FY2019 will push the readiness activities for all automation upgrades at AN and AP farms. Impact: None Corrective Action: The project is working with management and production control to schedule installation 5.1.4.1.93 Annulus Emergency Pumping Capability (-$807k) Cause : Predominantly delays in fabrication and subsequent receipt through AVS of emergency annulus pumping equipment due to issue with vendor submittal. Impact: Projected delivery by the end of November. Corrective Action : No corrective action required as equipment fabricated. Formal receipt of equipment and associated schedule recovery forecast by the end of the calendar year 2018. October 2018 - FY 2019 34

  32. Tank Farm Projects CTD Schedule Variances CTD SV 2018 (-$16,548k) 5.1..5.11.54 Chemical Vapor Engineered Control Upgrades(-$1,336k) Cause: Delay in the expected start of construction activities for the AW Stack Extension. The Construction contract for the installation of the AW stack extension has been placed on hold awaiting receipt of the non-rad permit. Impact: Project forecast to resume in January upon receipt of the permit and complete in March. Corrective Action: None. Awaiting Permit 5.1.5.11.56 Vapor Monitoring & Detection System Upgrades (-$2,021k) Cause: 1) Delayed receipt of fence-line monitoring equipment. Upfront procurement process and contract award to vendor delayed to allow further time to finalize specifications and QA requirements for the equipment. Progress payments are being made throughout procurement process. 2) A farm stack monitor design was put on hold to focus critical design engineering resources on 702AZ, AN, AW, and AX stack monitors completion. 3) Delays in turnover procedural development and final OAT & Test Report development for AP Farm readiness. Software reviews are in progress and driving completion of drafted OATs. Once software changes are approved, then OATs can be complete. 4) AW, 702-AZ, AN, and AX farm stack monitor installation construction closeout activities. All equipment installed and construction acceptance testing (CAT) is complete. Impact: 1) There is no impact to field installation and turnover of fence-line monitoring equipment or to any other control accounts. Fence-line Equipment will not be installed in the farms until fiscal year 2020. Procurement is underway and progress payments/milestones have been made. Anticipated receipt is in Quarter 2 of FY19. 2) No impacts. A-farm stack monitor will not be installed until 2020. 3) Project variance does not affect any other control accounts and is stand-alone having no impact to critical path. Final OAT & Test Report will not be completed until Q1 FY19, approximately 11 months behind schedule. 4) Equipment installed and construction acceptance testing completed. Closeout items have no impact on project scope and milestones. Corrective Action: 1) Identify and revise necessary procedures to integrate VMDR system into farm operations. Project manager is currently coordinating this effort with procedures organization. 2) Work package closeout for Pilot Scale Testing required prior to turnover of equipment. Engineering staff has been assigned to monitor and status closeout of each ECN and work package. 3) Three separate OAT's will be performed to turn over the UV-FTIR in a phased approach. First, will be an ammonia only OAT & turnover. Second, an OAT with no gas testing. Third, the full OAT for complete turnover. 5.2.1.4.14 Interim SX Barrier – Expansion Construction(-$1,593k) Cause: Delayed start of site preparation in the Expansion area of SX Farm Barrier as the dedicated construction crew complete punch list items on the North and South portion of the SX Farm asphalt barrier. Impact: Two moth late start but will not affect completion of asphalt in the third quarter FY19. Corrective Action: The project is working with the engineering and construction contractor to determine what can be completed before winter and what needs to be completed before asphalt this spring. 5.3.2.6.9 AP-107 Tank Farm Upgrades to Support DFLAW (-$869k) Cause: Deferral of the balance of the AP-107 60% design into FY19. Work to complete the 60% design was placed on hold while the cesium removal upgrade design efforts were prioritized. Impact: The 60% design was stopped during prioritization of the work and while ongoing planning for optimized LAWPS took place. The prioritization efforts have been completed and the scope has been definitized via contract modification 508, Definitization of the Tank Farm Upgrades to Support Direct Feed Low-Activity Waste (CP-16-017) Corrective Action: A November 2018 BCR is being prepared to align the 5.3.2.6.9 baseline scope with contract modification 508 (Correspondence No. 1803901) that was received on October 18th, 2018. 5.3.2.6.10 AP-105 Tank Farm Upgrades to Support DFLAW (-$689k) Cause: Late start on mock-up and construction training for AP Farm pump removal. The SOW preparation/award for subcontracted activities was delayed while engineering resources supported higher-priority change proposal development and schedule risk assessment efforts for Waste Feed Delivery and Tank Side Cesium Removal. Impact: The late start on pump removal mock-up/training has caused the expected finish to be pushed from FY18 into late-November. Both activities are ongoing and fabrication of the removal equipment is underway. Corrective Action: SOW preparation has been completed with additional engineering resources. Mock-up began in September and training started during October. A full recovery is expected by the end of November. October 2018 - FY 2019 35

  33. Tank Farm Projects Schedule Recovery FY19 Carryover (-$75k)  219S Integrity Assessment  ETF Integrity Assessment November SV Recovery ($3,780k) • $689k Pump Removal Tools • $331k AP-02D Pump Removal Mock-up • $259k Industrial Hygiene Trailer • $204k Tank Chemistry – Labs • $197k VMDS Testing • $149k SX Interim Barrier - Expansion Site preparation • $129k DST annulus Visual Inspection FY18 Report • $113k AW Farm Stack Extension – stack delivery • $110k Access/Egress Roadway Upgrade • $109k ETF Load-In Drain & Filter Engineering • $100k SX Interim Barrier North punch list December SV Recovery ($4,794k) • $964k SX Interim Barrier – Expansion Site preparation • $937k AP-02D Pump Removal • $489k VMDS Testing • $304k Annulus Emergency Pumping Capability Equipment • $294k DST In-Pit Heating (AY-01A and AP02A) • $266k A-105 sampling • $186k AW Stack Extension October SV (-$16,548k) • $185k ETF Replace Failed Air Compressor  See page 7 • $174k AP-107 DST UT • $160k Access/Egress Roadway Upgrade • $127k DST Structural AOR Earthquake modeling October 2018 - FY 2019 36

  34. Tank Farm Projects Schedule Recovery October 2018 - FY 2019 37

  35. Tank Farm Projects Performance - FY18 Carryover Forecast WBSL5 Title Oct-18 Nov-18 Dec-18 Jan-19 Feb-19 Mar-19 Apr-19 May-19 Jun-19 Jul-19 Aug-19 Sep-19 Grand Total 5.01.01.03.10 - Grab & ORSS Sampling 9,777 288,361 298,138 5.01.01.05.20 - DST Integrity Improvement Plan 1,803 12,712 3,302 54,554 4,623 260,695 304,990 642,677 5.01.01.05.23 - CHEM-D-42 Leak Assessment 24,825 24,772 9,585 3,868 63,050 5.01.01.05.33 - FFS-Simulant Valve Testing 15,637 84,786 50,293 8,287 159,004 5.01.01.05.36 - DST Structural AOR to Support Tank Lvl Increase 3,207 72,971 34,336 74,694 73,780 95,358 354,345 5.01.01.05.37 - Miscellaneous Underground Storage Tanks 4,432 38,780 43,212 5.01.01.05.40 - DST Integrity Ultrasonic Testing OP 2-3 38,855 5,793 44,648 5.01.01.05.42 - Waste Transf Sys FFU Encasemnt Testing OP 2-3 8,652 961 9,613 5.01.01.05.43 - DST Enhanced Annulus Visual Inpection OP 2-3 11,581 122,886 30,689 3,562 168,718 5.01.01.05.44 - Tank Chemistry Control OP 2-3 118,698 196,316 125,688 55,021 25,372 23,623 9,784 3,348 2,678 4,482 2,753 918 568,681 5.01.01.05.45 - ETF Integrity Assessment 16,108 46,535 135,643 7,171 205,456 5.01.01.05.47 - 219-S Integrity Assessment 11,266 55,614 46,413 59,159 40,546 40,546 40,546 37,803 23,067 13,905 42,644 20,378 431,886 5.01.02.06.13 - Replace ETF Basin Covers 108,781 27,720 136,501 5.01.04.01.16 - TF Automation Upgrades (DNFSB Action 3-1) 10,348 10,348 5.01.04.01.18 - DST In-Pit Heating 17,155 83,295 294,310 28,230 422,991 5.01.04.01.19 - Update ACES system 1,460 50,760 702 648 53,571 5.01.04.01.30 - Cross-Site Transfer Line Activation 9,105 51,020 40,087 68,755 36,670 689,853 895,491 5.01.04.01.48 - DNFSB Recommendation 2012-2 Act 2-2 thru 2-4 40,081 62,797 80,426 50,469 37,196 121,872 51,005 20,563 84,565 142,463 196,234 388,861 1,276,530 5.01.04.01.64 - DST Transfer Pump Replacements OP 2-3 32,376 22,801 55,177 5.01.04.01.69 - Leak Detector Relay Replacement 237 18,803 91,206 129,091 45,894 72,810 44,110 17,393 419,544 5.01.04.01.77 - TF Automation Upgrades (FY17&18) 9,608 88,339 83,194 62,125 30,882 30,882 7,350 371,764 6,479 6,479 162,895 21,318 881,316 5.01.04.01.88 - Safety Shower Upgrades 4,881 53,602 74,590 133,073 5.01.04.01.93 - Annulus Emergency Pumping Capability 9,967 33,935 339,421 95,060 310,612 27,491 816,486 5.01.04.01.94 - Fire Alarm System Upgrades - 2704HV 869 50,288 51,157 5.01.04.01.98 - AP-02A Jumper Repair 332,131 13,761 4,730 350,622 5.01.04.03.02 - 310/311-PL Waste Transfer Lines 65,488 61,936 25,263 19,649 172,336 5.01.04.03.03 - Access/Egress Rdway Upgrd 7th to Craft Trailers 4,807 110,955 155,756 271,518 5.01.04.03.04 - 242-A Evaporator Spare PB-1 Procurement 17,108 22,407 39,515 5.01.05.11.49 - New Vapor Detection Technologies 91,465 58,662 13,236 19,214 12,344 194,922 5.01.05.11.52 - Chemical Cartridge Evaluations 98,354 98,354 196,708 5.01.05.11.53 - Tank Farms PA Systems for Event Notification 124,381 100,393 224,774 5.01.05.11.54 - Chemical Vapor Engineered Control Upgrades 244,588 112,956 185,658 453,249 289,552 216,506 22,867 28,584 22,867 3,267 1,580,094 5.01.05.11.56 - Vapor Monitoring & Detection System Upgrades 14,962 233,570 451,879 334,924 112,707 651,716 124,225 41,658 1,965,641 5.01.05.11.57 - Industrial Hygiene Trailer 30,631 259,101 289,732 5.01.05.11.58 - SST Stewardship Program 13,039 13,039 5.02.01.04.11 - Interim SX Barrier - Construction 26,091 6,806 32,897 5.02.01.04.12 - Interim SX Barrier - North Construction 155,633 45,653 201,286 5.02.01.04.13 - Interim SX Barrier - South Construction 65,435 91,306 156,741 5.02.01.04.14 - Interim SX Barrier - Expansion Construction 54,458 299,621 372,259 8,326 7,207 741,871 5.03.02.06.08 - Project Management Upgrades support DFLAW 3,329 3,329 0 346,267 352,926 5.03.02.06.09 - AP-107 Tank Farm Upgrades to Support DFLAW 0 0 0 607,673 260,862 868,535 5.03.02.06.10 - AP-105 Tank Farm Upgrades to Support DFLAW 302,566 689,161 991,727 5.03.02.06.17 - Tank-Side Cesium Removal Upgrades 20,867 20,867 5.03.02.06.20 - AP-02D Pump Removal 119,058 331,027 32,917 483,002 5.03.02.06.21 - AP Farm Infrastructure 15,889 56,682 72,571 2,125,688 3,922,717 2,716,373 2,483,580 1,271,779 1,305,576 312,773 579,535 144,279 504,926 799,789 1,195,918 17,362,934 October Forecast 2,125,688 3,922,717 2,716,373 2,483,580 1,271,779 1,305,576 312,773 579,535 144,279 504,926 799,789 1,195,918 October Cumulative Forecast 2,125,688 6,048,405 8,764,778 11,248,358 12,520,138 13,825,714 14,138,487 14,718,022 14,862,302 15,367,227 16,167,016 17,362,934 12% 35% 50% 65% 72% 80% 81% 85% 86% 89% 93% 100% October 2018 - FY 2019 38

  36. Tank Farm Projects FY19 Spend Plan FY Spend ACWP/ETC Oct-18 Nov-18 Dec-18 Jan-19 Feb-19 Mar-19 Apr-19 May-19 Jun-19 Jul-19 Aug-19 Sep-19 PDN Target Delta Forecast Sep-18 5,521 10,542 8,817 9,322 7,868 7,658 8,986 10,188 9,639 8,396 8,885 11,653 107,474 Oct-18 5,496 8,036 9,621 9,702 8,527 9,057 8,306 11,410 9,866 8,169 8,351 11,616 108,157 105,826 -2,332 Delta -24 -2,506 805 379 659 1,398 -679 1,222 227 -227 -534 -37 684 Percentage -0.4% -31.2% 8.4% 3.9% 7.7% 15.4% -8.2% 10.7% 2.3% -2.8% -6.4% -0.3% 0.6% September delta: -$24K , - 0.4 % Within 1% nothing significant FY Spend Forecast Delta $684K , 0.6% • $1,545k SX Barrier Expansion full NTE • $993k DST Structural AOR additional modeling • $714k Construction Mask Station • -$ 2,973k Delete AN Stack Extension PDN Delta - $2,332 K • PDN revision forthcoming • Revision will include reallocation for scopes from initial buyback per ORP NTE October 2018 - FY 2019 39

  37. Tank Farm Projects Risks, Opportunities and Emergent Scope Risk • Resource availability Tank Farm Projects FY19 Emergent Scope Tracker Realization Forecast Funding Emergent Work Scope Date Finish Source New 242-A Slurry Lines Nov-18 FY20 TFP SY Farm Exhauster and Stack Monitor Design Nov-18 Sep-19 TFP AW Farm In-Pit Heating Nov-18 Mar-19 TFP Trailer for Staffing Increases Nov-18 Sep-19 TFP ETF Basin 42 & 43 Leachate Pumping Nov-18 Sep-19 TFP Guided Wave NDE design Nov-18 Sep-19 TFP 242-A Instrument Air Dryer design Nov-18 Sep-19 TFP Miscellaneous Equipment Procurements Nov-18 Sep-19 TFP Additional AP Farm UT Floor Scanning Nov-18 Sep-19 TFP AP-106 Upgrades for Repurposing Oct-18 Jul-19 TFP CR Vault Videos & Level Measurements Nov-18 TBD Closure C-301 Sampling Nov-18 TBD Closure AP-02A Jumper Replacement Oct-18 Apr-19 TFP Test Bed Initiative construction support Nov-18 TBD WFD AY-102 Jumper forensics Nov-18 TBD TFP October 2018 - FY 2019 40

  38. Tank Farm Projects Accomplishments and Look Ahead Accomplishments: Look Ahead: October: November: • Completed SX Barrier South minor punch list items • Perform AW-102 Large volume sample for Test Bed Initiative (CPL) • Replaced AP-02A jumper gasket • Initiate SST Visual Inspections in B Complex (2 CPL) • Initiated preparation of core platform for core sampling (PMs • Perform visual inspections and leak testing ETF Tanks (1 visual, 1 leak test CPL) • Initiated AP-107 UT • Initiate installation of permanent power to 6241V (Started) • Complete AP-107 UT (CPL) • Perform SY-101 Grab Sample (CPL) • Initiate ETF PDV Engineering design (started) December: • Complete leak checks 219-S tanks • Complete visual inspections ETF tanks • Perform A-105 sampling • Perform AP-107 Large Volume sample • Complete B Complex SST Visual inspections • Complete Access/Egress Roadway Upgrade • Complete Reader board installation PA System • IH Trailer ready for Use • Initiate In-Pit heating AY-101 • ETF install Temporary Air Compressor • Initiate ETF Brine Stabilization Subcontract design • A Farm Stack 100% design January • AP-02D pump removal • Complete installation of ETF Air compressor • Complete in Pit Heating AY-101 pit • Install Leak Detector relay replacements SY Farm • Initiate ETF Basin 44 Leachate System subcontract design October 2018 - FY 2019 41

  39. Tank Farm Projects (2M) Approved Baseline Change Requests Log Reporting FY19 Baseline BCR Number BCR Title Month FY19 (MR/TXR) FY19 (New) FY19 Total Cumulative FY19 Baseline -Start Fiscal Year (10-1-18) 91,993,674 RPP-19-001 Fiscal Year 2019 Rate Change - Direct October (2,177,068) 0 (2,177,068) 89,816,606 October 2018 (2,177,068) 0 (2,177,068) 89,816,606 RPP-19-006 SL-168 Encasement Drain Valve Replacement ON HOLD November 0 0 0 89,816,606 RPP-19-015 Tank Farm Projects Internal Replanning November (20,000) 0 (20,000) 89,796,606 RPP-19-016 AP Tank Farm Upgrades (CP-18-006) November 0 4,044,131 4,044,131 93,840,737 RPP-19-017 AP-02A Jumper Replacement and AW-14 Pump Saltwell November 1,408,224 0 1,408,224 95,248,961 Screen Deposition RPP-19-018 Tank Farm Projects MOD 508 Definitization November (669,732) 0 (669,732) 94,579,229 November 2018 718,492 4,044,131 4,762,623 94,579,229 FY19 TO DATE (1,458,576) 4,044,131 2,585,555 94,579,229 October 2018 - FY 2019 42

  40. Tank Farm Projects Contract Changes NTE Total Impact Title Project Manager Status ($K) ($K) Contract Change TBD FY18 TBD CP-18-006 Waste Feed Delivery Tank Farm Ryan Stoner 10/22/18: ERRATA nearing completion, BCR in progress to add Change Trailer, ENRAF upgrades and AP-106 dropleg / 10,000 TBD Upgrades manifold to support tank re-purposing. 9/17/18: ERRATA development ongoing following direction on transition to capital line item. BCR processed to transfer bulk of scope to LAWPS capital line item project. NTE increase will be required for FY19 scope execution. 7/16/18: ORP letter received directing elements of this proposal to be designated as capital and form part of the LAWPS project. Team working through implications and ERRATA actions that will follow. CP-18-009 Sentinel Upgrades to ACES Stations Torres, Melissa 11/1/18: Additional $100K NTE received. 450 TBD 10/22/18: On critical needs list for NTE exhaustion this week. Working with ORP to ensure update to continue towards January implementation. 8/13/18: Work proceeding under NTE and the project anticipates completion prior to need for any formal proposal package production and associated negotiation beyond ACWP. 7/2/18: BCR to include installation processed in June. CP production will proceed in parallel with scope execution. CP-18-017 PB-1/PB-2 Pump Procurement Castleberry, Jim 10/25/18: NTE need date updated to 12/20/18 based on October preliminary contract to date actual cost. 600 TBD October 2018 - FY 2019 43

  41. Tank Farm Projects Risk Status October 2018 - FY 2019 44

  42. Single-Shell Tank Retrievals October 2018 - FY 2019 Termination Installation of the anchors for point for the exhauster structural steel. installation of AX Farm chemical addition Exhauster Valve Manifold piping Pad – rebar installation AX Farm Thermocouple lift preparations Crews removed the C-105 sampling platform the week of 9/10/18 (L) HIHTL running to POR412 Diversion Box and (R) HIHTLs being routed from POR412 to POR497 splitter box 45

  43. SST Retrievals 2F-SST Retrievals WBSL5 Title CM CM CM CM CM CTD CTD CTD CTD CTD CTD CTD BCWS BCWP ACWP SV CV CM SPI CM CPI BCWS BCWP ACWP SV CV SPI CPI CTD BAC Total AY-102 Preparation for Retrieval - 11 24 11 (13) 1.23 0.46 111,262 111,247 102,938 (15) 8,309 1.00 1.08 111,262 Total A/AX Retrieval 7,718 5,628 6,872 (2,090) (1,244) 0.73 0.82 285,560 278,581 315,349 (6,979) (36,768) 0.98 0.88 386,408 Total C-Farm Retrievals 155 47 109 (108) (62) 0.30 0.43 529,265 528,986 535,599 (279) (6,613) 1.00 0.99 529,611 Total CH-TRU - - - - - 0.00 0.00 218 218 197 - 21 1.00 1.11 218 0.72 0.81 0.96 Total SST Retrievals 7,873 5,686 7,005 (2,187) (1,319) 926,305 919,032 954,083 (7,273) (35,051) 0.99 1,027,499 FY19 SST Retrievals Key Points • FY18 EAC = $110,898k • Confirmed existing conditions for thermocouple removal • FYTD SV / SPI = -$2,187k / 0.72 for AX-103 R07D & AX-101 R07A, B & C • FYTD CV / CPI = -$1,319k / 0.81 • Completed E/W electrical backbone conduit installation • FYTD BCWS = $7,873k • Performed AY-102 flush & blowout • FYTD BCWP = $5,686k • Implemented schedule recovery plan • FYTD ACWP = $7,005k • Additional 10 electricians and 10 pipefitters to be field deployable in early December • Reprioritized workers to critical path work • EOY CTD CV decreased from -$33.7m to -$30.9m • EOY CTD SV decreased from -$5.1m to -$0.4m EOY CTD SV -$412k EOY CTD CV -$30,889k Delta from Today $6,861k Delta from Today $4,163k • Uncompleted Carryover Scope - $4,617k • A-Farm Infrastructure - Ventilation - $1,593k • Net FY19 Schedule Delays - $2,656k • A/AX Infrastructure Installation - $2,601k October 2018 - FY 2019 46

  44. SST Retrievals 2F-SST Retrievals C-Farm Retrieval CH TRU-T Farm WBSL5 Title CM CM CM CM CM CTD CTD CTD CTD CTD CTD CTD BCWS BCWP ACWP SV CV CM SPI CM CPI BCWS BCWP ACWP SV CV SPI CPI CTD BAC 5.02.03.03.19 - T-Farm CH-TRU Strategic Development - - - - - 0.00 0.00 218 218 197 - 21 1.00 1.11 218 5.02.03.03.20 - T-Farm CH-TRU Project Support - - - - - 0.00 0.00 - - - - - 0.00 0.00 0 5.02.03.03.21 - T-Farm CH-TRU Characterization - - - - - 0.00 0.00 - - - - - 0.00 0.00 0 Total CH-TRU - - - - - - - 218 218 197 - 21 1.00 1.11 218 October 2018 - FY 2019 47

  45. SST Retrievals 2F-SST Retrievals A/AX Retrieval CM CM CM CM CM CTD CTD CTD CTD CTD CTD CTD WBSL5 Title BCWS BCWP ACWP SV CV CM SPI CM CPI BCWS BCWP ACWP SV CV SPI CPI CTD BAC 5.02.01.01.03 - Retrieval Program Management FY17/FY18 - - 29 - (29) - - 8,910 8,860 9,634 (50) (774) 0.99 0.92 8,910 5.02.01.01.04 - SST Retrieval Ops Training & Quals FY17/FY18 - - 323 - (323) - - 4,240 4,240 8,152 - (3,912) 1.00 0.52 4,240 5.02.01.01.06 - Retrieval Maintenance 610 610 467 - 143 1.00 1.31 8,479 8,479 7,549 - 930 1.00 1.12 17,852 5.02.01.01.08 - Retrieval Program Management OP 3 376 376 368 - 8 1.00 1.02 376 376 368 - 8 1.00 1.02 6,155 5.02.01.01.09 - SST Retrieval Ops Train & Qual OP 3 298 298 71 - 227 1.00 4.20 298 298 71 - 227 1.00 4.20 5,603 5.02.01.03.03 - CTF Mgmt. & Maint OP 3 31 31 21 - 10 1.00 1.48 31 31 21 - 10 1.00 1.48 513 * 5.02.06.02.01 - A-Farm Infrastructure - Ventilation 1,377 163 698 (1,214) (535) 0.12 0.23 6,334 5,243 6,682 (1,091) (1,439) 0.83 0.78 15,223 5.02.07.02.03 - AX-102 Retrieval Procurement - - - - - - - 4,853 4,701 5,471 (152) (770) 0.97 0.86 5,066 5.02.07.04.03 - AX-104 Retrieval Procurement - - - - - - - 4,916 4,764 5,496 (152) (732) 0.97 0.87 5,129 5.02.07.06.03 - AX-101/AX-103 Retrieval Procurement - - (23) - 23 - - 8,614 8,614 7,246 - 1,368 1.00 1.19 8,614 5.02.07.07.01 - AX-102/AX-104 Retrieval System Installation 685 60 162 (625) (102) 0.09 0.37 742 117 181 (625) (64) 0.16 0.65 17,927 5.02.07.09.01 - A/AX Farms Ventilation Sys Operations 55 55 45 - 10 1.00 1.22 1,209 1,209 742 - 467 1.00 1.63 2,056 5.02.08.01.03 - A Farm Tanks/Receiver Tank Design 95 219 203 124 16 2.31 1.08 3,045 3,090 3,168 45 (78) 1.01 0.98 4,505 5.02.08.01.05 - Common Upgrades Support 1,452 1,452 1,591 - (139) 1.00 0.91 23,444 23,444 23,370 - 74 1.00 1.00 46,247 5.02.08.03.04 - AX-102/AX-104 Equipment Removal - - (56) - 56 - - 21,885 21,885 43,815 - (21,930) 1.00 0.50 21,885 * 5.02.08.03.05 - AX-101/AX-103 Equipment Removal - 277 520 277 (243) - 0.53 12,767 12,469 9,471 (298) 2,998 0.98 1.32 18,011 5.02.08.04.03 - A/AX Infrastructure Procurement - - - - - - - 5,137 5,137 5,433 - (296) 1.00 0.95 5,750 * 5.02.08.04.04 - A/AX Infrastructure Installation 1,819 916 1,899 (903) (983) 0.50 0.48 25,234 20,367 27,993 (4,867) (7,626) 0.81 0.73 35,247 5.02.08.05.04 - A/AX DST 1 Installation - - - - - - - 3,396 3,396 2,996 - 400 1.00 1.13 3,396 5.02.08.10.03 - A-Farm Equipment Removal - Above Grade 919 1,171 643 252 528 1.27 1.82 1,751 1,962 1,281 211 681 1.12 1.53 10,177 5.02.08.11.02 - A-Farm Ventilation System Design - - - - - - - 1,591 1,591 2,641 - (1,050) 1.00 0.60 1,591 A/AX Completed & Out Year Scope 1 - (89) (1) 89 - - 138,308 138,308 143,568 - (5,260) 1.00 0.96 142,311 0.73 0.82 0.88 Total A/AX Retrievals 7,718 5,628 6,872 (2,090) (1,244) 285,560 278,581 315,349 (6,979) (36,768) 0.98 386,408 CM CM CM CM CM CTD CTD CTD CTD CTD CTD CTD WBSL5 Title BCWS BCWP ACWP SV CV CM SPI CM CPI BCWS BCWP ACWP SV CV SPI CPI CTD BAC 5.01.01.15.25 - AY-102 Maintenance Post ERSS Retrieval - - 12 - (12) 0.00 0.00 1,254 1,254 1,113 - 141 1.00 1.13 1,254 5.01.01.15.26 - AY-102 Recovery Mgmt & Env Support - Phase III - - 2 - (2) 0.00 0.00 1,133 1,133 901 - 232 1.00 1.26 1,133 5.01.01.15.27 - AY-102 Settlement Agreement - Phase III - - - - - 0.00 0.00 117 117 33 - 84 1.00 3.55 117 5.01.01.15.28 - AY-102 Annulus Pumping System Modification - - - - - 0.00 0.00 204 204 184 - 20 1.00 1.11 204 5.01.01.15.29 - AY-102 Rinse & Transfer - Phase III - 11 12 11 (1) 0.00 0.92 1,246 1,231 610 (15) 621 0.99 2.02 1,246 0.00 0.00 1.07 AY-102 Completed Scope - - (2) - 2 107,308 107,308 100,097 - 7,211 1.00 107,308 Total AY-102 Preparation for Retrieval - 11 24 11 (13) 1.23 0.46 111,262 111,247 102,938 (15) 8,309 1.00 1.08 111,262 Total A/AX Retrieval 7,718 5,628 6,872 (2,090) (1,244) 0.73 0.82 285,560 278,581 315,349 (6,979) (36,768) 0.98 0.88 386,408 Total C-Farm Retrievals 155 47 109 (108) (62) 0.30 0.43 529,265 528,986 535,599 (279) (6,613) 1.00 0.99 529,611 Total CH-TRU - - - - - 0.00 0.00 218 218 197 - 21 1.00 1.11 218 Total SST Retrievals 7,873 5,686 7,005 (2,187) (1,319) 0.72 0.81 926,305 919,032 954,083 (7,273) (35,051) 0.99 0.96 1,027,499 October 2018 - FY 2019 48

  46. SST Retrievals Major Current Month Variances AY-102 Retrieval SCHEDULE 5.02.06.02.01 – A-Farm Infrastructure - Ventilation (-$1,214k)  Ca Caus use: The unfavorable CM SV is due to the following activities: 1. X262-AFEIS-20-U1 – Install A-Farm Exhauster on Exhauster Pad (-421k) This scope was planned to complete in October 2018. However, the need for alternative respiratory protection during rebar install for the manifold delayed the completion of this scope. The exhausters will be installed in November. 2. Z5-5010-00 – Fabricate A-Farm Low Risk Ducting/Condensate Line (-328k) The items in this scope are split between vendor fabrications and items that will be procured by WRPS. These items will be received in December 2018. Delays in receipt of these items are due to final vendor negotiations for delivery date. The late receipt of these items is not expected to cause delays in field work. 3. Z5-5025-00 – A-Farm Vent Install Misc Procurements (-$173k) The items in this scope are split between vendor fabrications and items that will be procured by WRPS. These items will be received in November and December 2018. Delays in receipt of these items are due to final vendor negotiations for delivery date. The late receipt of these items is not expected to cause delays in field work. 4. Z5-5060-00 – Fabricate A-Farm Manifold, Structure & Platform (-$200k) These items will be received in January 2018. Delays in receipt of these items is due to final vendor negotiations for delivery date. The late receipt of these items is not expected to cause delays in field work.  Impa mpact: t: A majority of the schedule variance this month is due to late receipt of materials. No impacts are expected due to these delays.  Co Corre recti tive e Actio tion: No corrective actions necessary as the materials have a negotiated delivery date. 5.02.08.04.04 – A/AX Infrastructure Installation (- $903k)  Cause: The cause of the unfavorable CM SV is as follows: In FM October, the construction subcontractor continues to hire and train electrician resources. These resources were concentrated on the installation of the infrastructure backbone electrical work scope. The subcontractor worked overtime during the month of October to recover schedule on conduit installation and backfill. The installation of the HIHTL in AX-Farm was re-sequenced due to the AX-Farm infrastructure backbone scope. The scope to complete the excavation, conduit installation, and backfill of the AX-Farm infrastructure backbone electrical scope had caused a delay in the setting of POR466 due to the location causing delays in excavation to install the HIHTL. The installation of the water & caustic lines was impacted because the backbone electrical install was given priority. The project was able to recover schedule & complete some of the work that was planned in the past such as installation of the electrical rack power supply. During the field installation and testing of the cathodic protection system, the project found issues with the rectifier. It has been determined that the rectifier will need to be replaced, this will allow the project to complete the installation of the cathodic system and bring this scope to closure. The planned completion date is February 7, 2019. The field work to install the control trailers did not experience any field delays during the month of October. There was an RFI submitted for overcurrent protection of the electrical enclosures for POR508. It has been determined that there is no overcurrent protection needed causing a one week delay in the installation of the electrical panels. Conversely, the internal wiring is currently performing ahead of schedule because the subcontractor is utilizing non-farm trained electricians to perform this work scope.  Impact: The project utilized overtime and prioritized the field work to install the AX-Farm electrical backbone. This approach has allowed the project to recover schedule by completing work scope that was planned in the past; nevertheless, because of the planned for October the net result was an unfavorable CM SV of $748k. The hired electricians are currently in training and are planned to be available in early December 2018. It is anticipated that the schedule will see significant recovery in the 2 nd and 3 rd quarters of FY19. Due to the prioritization of the installation of the infrastructure electrical backbone, the installation of the DST #1 – HIHTL to AX-Farm is contributing $58k to the unfavorable CM SV. Additionally, due to delays resulting in resource availability and location, the field testing of the HIHTL is experiencing a 6-month delay and is now is expected to be completed on March 5, 2019. The carryover work scope to install the water and caustic lines is contributing a favorable $69k to the CM SV. The project is planning to complete the installation of the electrical rack power supply, as well as the installation of the bollards and cathodic protection by January 29, 2019. The field work to install the wiring inside the control trailers is currently performing ahead of schedule; however, the RFI on the overcurrent protection and the re-sequencing of work scope has caused the schedule to slip by two months. PBI 56.0.4 – Complete POR471 Installation is currently planned to complete by December 4, 2018. This work scope is contributing $166k to the unfavorable CM SV.  Corrective Action: The construction subcontractor did submit a recovery plan in mid-October to complete all of the infrastructure installation by early April to support the initiation of AX-102 WRS Operations by mid-July 2019. October 2018 - FY 2019 49

  47. SST Retrievals Major Current Month Variances COST 5.02.08.03.05 – AX-101/AX-103 Equipment Removal (-$243k)  Cause: The unfavorable CM CV can be attributed to issues with the Thermocouples (T/C) being stuck in risers at AX-101. At three of the T/Cs, risers 07A, 07B, and 07C, crews have made multiple attempts to loosen the equipment so the risers can be used for the installation of the new waste retrieval system in the future. Crews have used multiple methods of loosening the T/Cs, all of which have set up and work package planning costs that the project incurred. To-date, some of the methods used to loosen the T/Cs include lifting was a crane, using a torque and horizontal impact tool, lifting with a gantry crane, and lifting with hydraulic jacks.  Impact: Costs incurred from multiple lifting attempts will not be recovered. These were unplanned attempts that will be reflected in the overall VAC. Final attempts and lifting methods are planned to complete in fiscal November.  Corrective Action: No corrective action as costs will be unrecoverable. 5.02.08.04.04 – A/AX Infrastructure Installation (-$983k)  Cause: The unfavorable CM CV is comprised of labor (-$332k) and subcontractors (-$563k). In order to ensure starting retrieval operations in July, construction subcontractor electricians were taken off A- Farm exhauster installation and used on electrical backbone installation. Construction forces have had to perform additional activities to remediate uncovered piping that had degraded to the point of being unstable, resulting in additional cost, which is a realization of risk AAXRC-055-R, As Found Conditions Differ From Expected. In FY18, the major of WRPS labor directly supporting infrastructure installation was budgeted in four quarterly activities. Project management claimed all of these activities as complete at the end of FY18. For FY19, quarterly field labor support activities were not used. All activities include construction subcontractor and WRPS field labor support. Of the fifteen baseline activities performed in October, fourteen were FY18 carryover scope and one was FY19 scope. Nine of the FY18 carryover activities did not have WRPS labor budgeted, five of the did without overtime. The FY19 activity did have WRPS labor budgeted with overtime. Because 75% of the scope performed did not have WRPS labor budgeted, there was minimal BCWP earned against the actual labor. This resulted in a large unfavorable usage variance of 4,298 hours (405 labor hours earned, 4,702 actual hours). Of the 4,298 additional hours, 1,119 hours were overtime. Project management utilized the overtime to catch up on electrical system excavation, conduit installation, and trenching backfilling in order to meet the July retrieval operations start date. This impacted both the labor and subcontract costs. The remainder of the variance drivers relates to the carryover work performed and are related to those vapor/beryllium impacts listed below. In addition to the CV drivers listed above, the unfavorable CM CV is due to work being done in parallel versus in series as originally planned in order to meet the Consent Decree milestones. This has necessitated the need of hiring additional personnel to accomplish the work. Also, vapors and beryllium control impacts have decreased the efficiency of construction forces performing work inside the Farm. Vapor and beryllium mitigation requires additional PPE and extensive monitoring during fieldwork activities as well as more engineering and work package development support before crews can enter the field. With added PPE and controls, productivity in field work is significantly reduced while adding more personnel and time to complete the work compared to what was originally planned. Labor resources for IHT/HPT personnel have also been increased due to the new requirements from vapor and beryllium mitigation.  Impact : The unfavorable CM CV adds to the unfavorable CTD CV and VAC.  Corrective Action: BCR RPP-19-009 will be submitted to draw from Management Reserve due to realize risk AAXRC-0055-R, AS Found Field Conditions Differ From Expected. October 2018 - FY 2019 50

  48. SST Retrievals Schedule Recovery Current Month Schedule Variance: Contract-to-Date Schedule Variance: FY 2018 Carryover Schedule Recovery $1,071,938 FY 2016 Remaining Carryover Schedule Recovery ($304,080) FY 2019 Schedule Delays FY 2018 Schedule Delays ($4,312,767) ($4,095,678) FY 2019 Schedule Acceleration $1,000,303 FY 2019 Schedule Delays ($3,900,824) Budget Realization (Early Performance) ($163,624) FY 2019 Schedule Acceleration $1,244,823 Total ($2,187,061) Total ($7,272,848) FY 2018 Carryover Schedule Recovery $1,072 FY 2016 Remaining Carryover Schedule Recovery ($304) A/AX Infrastructure Installation $729 AX-102/AX-104 Procurement ($304) AX-101/103 Equipment Removals $277 FY 2018 Schedule Delays ($4,313) FY 2019 Schedule Delays ($4,096) A/AX Infrastructure Installation ($3,654) A-Farm Ventilation ($1,270) AX-101/103 Equipment Removal ($298) A/AX Infrastructure Installation ($1,469) FY 2019 Schedule Delays AX-102/104 Equipment Installation ($685) ($3,900) A-Farm Equipment Removals ($538) A-Farm Ventilation Installation ($1,241) A/X-102/104 Equipment Installation ($685) FY 2019 Schedule Acceleration $1,000 A/AX Infrastructure Installation ($1,303) A-Farm Equipment Removals $790 A-Farm Equipment Removals ($538) Budget Realization (Early Performance) ($163) FY 2019 Schedule Acceleration $1,245 A/AX Infrastructure Installation ($163) A/AX Infrastructure Installation $880 A-Farm Ventilation Installation $211 October 2018 - FY 2019 51

  49. SST Retrievals Schedule Variance January Recovery/Acceleration $2,129k November Recovery/Acceleration $770k December Recovery/Acceleration $2,988k $1,102k A-Farm Infrastructure – Ventilation – Install $265k AX-101/AX-103 Farm Remove In-Tank Equip $834k AX-101/AX-103 Farm Remove In-Tank Equip $710k AX-101/AX-103 Farm Remove In-Tank Equip $776k A-Farm Infrastructure – Ventilation – Install $152k AX-102 Retrieval Equipment Procurements $151k A/AX Infrastructure Installation $152k AX-104 Retrieval Equipment Procurements $646k AX-102/AX-104 Ret Sys Misc. Procurements $73k A/AX Air & Water Svc. Bldg. Install $62k A-Farm Infrastructure – Ventilation – Duct Iso. $277k Common Upgrades Support – Procurements $32k NCO Bulk Hire New Class – FY19 $53k C-105 Retrieval Data Report $209k A/AX Air & Water Svc. Bldg. Install $35k A Farm Tanks Equipment Removal Design $125k C-Farm Stabilization and Layup Fieldwork $99k A/AX Infrastructure Procurements October 2018 - FY 2019 52

  50. SST Retrievals Accomplishments and Look Ahead Accomplishments Look Ahead A/AX Retrieval: December   Confirmed existing conditions for thermocouple removal for AX-103 R07D Complete final C-105 post-retrieval gamma scan  & AX-101 R07A, B & C Receive A-Farm duct spool weldments and demister shields   Completed E/W electrical backbone conduit installation Complete construction of A-Farm manifold concrete pad   Removed foam from A-101 Pit A and A-103 Pit A Complete installation of AX-102 02D Pit ERSS   Formed A-Farm exhauster valve manifold pad and installed rebar Receive AX-102/AX-104 high & low pressure water hoses  Remove thermocouple from AX-103 R09B (PBI-56.0.9.1.1)  AY-102 Retrieval: Install AX-102 02A & 02B Pits hose barns   Performed AY-102 flush and blowout Complete control trailer POR498 internal wiring C-Farm Retrieval:  Completed shipment of C-105 to POR104 HIHTL to ERDF January  Complete installation of POR-471 internal equipment and tie to WRS (PBI-56.0.4)  Receipt and installation of A-Farm manifold and platform Look Ahead  Complete installation of AX-102 02A Pit pump  Remove thermocouple from AX-103 R07D (PBI-56.0.9.1.2) November  Complete AX-102 on-dome conduit installation  Complete shipment of C-105 to POR104 HIHTL to ERDF  Complete excavation from diversion box to Pits AX-102 A, B, C & D  Complete install of A-Farm exhausters on pad  Install AX-102 02C & 02D Pits hose barns  Complete C-105 GAMMA/RAS Drywell Monitoring Report  Complete N/S electrical backbone conduit installation  Receipt of slurry pump assemblies for AX-102 & AX-104  Complete installation of AX-102 02B Pit ERSS  Complete AX-101 01A Pit debris removal & cleanout  Complete control trailer POR471 internal wiring  Complete installation of electrical rack power supply to POR496  Complete core drilling cover block A-101C October 2018 - FY 2019 53

  51. SST Retrievals FY19 PBIs Terminal Forecast FY 2019 Key Deliverables PBI Status Date Date A Farm 56.0.1.1 SEP 2019 FEB 2019 Complete one (1) long-length removal action from A Farm tanks 56.0.1.2 SEP 2019 MAR 2019 Complete one (1) long-length removal action from A Farm tanks 56.0.2.1 JUN 2019 JAN 2019 Complete each of two (2) exhauster components 56.0.2.2 SEP 2019 FEB 2019 Complete one (1) exhauster valve manifold component 56.0.2.3 SEP 2019 JUL 2019 Complete all six (6) ventilation ducting cold “tie - in” components 56.0.3 SEP 2019 SEP 2019 Complete the waste retrieval system (WRS) design for A Farm AX Farm 56.0.4 SEP 2019 DEC 2018 Complete install of control trailer POR 471 internal equipment and electrical tie-in to retrieval system 56.0.5 SEP 2019 JUN 2019 Complete installation of AX Farm infrastructure HRR/LDM installation 56.0.6 SEP 2019 MAY 2019 Complete installation of new in-tank video recording system for AX-102 56.0.7 JUN 2019 JUL 2019 Complete installation of AX Farm lighting infrastructure upgrade 56.0.8.1 SEP 2019 JUN 2019 Complete WRS construction for Tank 241-AX-102 and turnover to Operations 56.0.8.2 SEP 2019 JUL 2019 Complete the ORC in support of initial waste retrieval operations at Tank 241-AX-102 56.0.9.1 JUN 2019 DEC 2018 Complete one (1) of five (5) LLE removals in AX-101 or AX-103 56.0.9.2 JUN 2019 JUN 2019 Complete one (1) of five (5) LLE removals in AX-101 or AX-103 56.0.9.3 SEP 2019 FEB 2019 Complete one (1) of five (5) LLE removals in AX-101 or AX-103 56.0.9.4 SEP 2019 MAY 2019 Complete one (1) of five (5) LLE removals in AX-101 or AX-103 56.0.9.5 SEP 2019 APR 2019 Complete one (1) of five (5) LLE removals in AX-101 or AX-103 56.0.10 SEP 2019 AUG 2019 Complete waste retrieval activities in AX-102 and retrieve 25% of waste by volume Current Month Accomplishment Accomplishment October 2018 - FY 2019 54

  52. SST Retrievals Spend Forecast FY19 ACWP ACWP Total ETC ETC Total FY Spend Forecast Level 4 WBS Oct-18 Nov-18 Dec-18 Jan-19 Feb-19 Mar-19 Apr-19 May-19 Jun-19 Jul-19 Aug-19 Sep-19 5.01.01.15 - AY-102 Preparation for Retrieval 24 24 25 - - - - - - - - - - 25 50 5.02.01.01 - Retrieval Program 1,258 1,258 1,788 1,890 2,095 1,623 1,638 1,621 2,043 1,564 1,560 2,038 2,051 19,911 21,169 5.02.01.02 - Retrieval Technology Development 50 50 55 - - - - - - - - - - 55 105 5.02.01.03 - Cold Test Facility (CTF) 35 35 43 43 41 39 43 40 50 42 39 50 51 481 517 5.02.01.04 - Vadose Zone / Interim Measures 8 8 1 1 1 1 1 1 2 1 1 2 2 15 24 5.02.01.08 - TF Support Facility Disposition 14 14 - - - - - - - - - - - - 14 5.02.02.06 - C-Farm Retrieval 37 37 232 126 45 14 13 17 4 4 4 - - 458 495 5.02.06.02 - A-Farm Infrastructure 698 698 1,682 1,383 827 1,124 476 532 562 425 388 348 529 8,276 8,974 5.02.07.02 - AX-102 Retrieval - - 376 - - - - - - - - - - 376 376 5.02.07.04 - AX-104 Retrieval - - 376 - - - - - - - - - - 376 376 5.02.07.06 - AX-101/AX-103 Retrieval (23) (23) - - - - - - - - - - - - (23) 5.02.07.07 - AX-102 & AX-104 Retrieval 162 162 910 2,165 1,505 1,476 1,225 1,718 1,935 1,899 2,043 2,881 2,708 20,465 20,627 5.02.07.09 - A/AX Farms Ventilation System Operations 45 45 79 71 73 69 71 71 90 69 69 90 86 837 882 5.02.08.01 - A/AX Common Upgrades 1,794 1,794 2,321 2,306 2,107 1,966 2,024 2,050 2,527 2,002 2,023 2,587 2,489 24,403 26,196 5.02.08.03 - A/AX Equipment Removal 464 464 777 636 663 602 607 645 660 832 578 - - 5,999 6,464 5.02.08.04 - A/AX Infrastructure (Water and Utilities) 1,899 1,899 2,558 2,267 1,705 2,041 1,678 1,157 1,682 392 - - 42 13,523 15,422 5.02.08.10 - A-Farm Equipment Removal 643 643 688 1,270 1,123 757 801 801 1,004 768 672 317 309 8,511 9,154 5.02.08.11 - A-Farm Ventilation System (105) (105) - - - - - - - - - - 180 180 76 FY Spend Forecast 7,005 7,005 11,912 12,159 10,185 9,712 8,578 8,653 10,560 7,996 7,376 8,312 8,449 103,893 110,898 SST Retrievals Pending BCRs and/or Emerging Scope not included in Above Forecast Total 243 Total FY Spend Forecast 111,141 September October Spend Title Spend Forecast Forecast Change Description of Change AY-102 Retrieval 41 50 (9) Added additional funds for drainage of the raw water skid at AY-102 Implementation of RPP-19-001, Fiscal Year 2019 Rate C-Farm Retrieval 376 637 (261) Change\Contract Alignment - Direct Implementation of RPP-19-001, Fiscal Year 2019 Rate A/AX Retrieval 108,767 110,211 (1,444) Change\Contract Alignment - Direct Total SST Retrievals 109,184 110,898 (1,714) October 2018 - FY 2019 55

  53. SST Retrievals 2F - Issues/Risks/Corrective Actions Major Opportunities/Risk Response Actions  Additional FY19 funding over current baseline may be available to support DOE to provide direction on FY19 funding levels.  TOC priorities. This is an opportunity to recover schedule lost in previous WRPS and DOE reach agreement on updated IPL for FY19 work scope years due to funding limitations, tank vapor safety impacts, and challenging and initiate contract modification.  as-found conditions in A/AX Farm. WRPS identifies key resource needs and initiates hiring, subcontracts, Key commitments supported: CD D-16B-3 (Complete 5 tanks by 31 and material procurements.  December 2020), CD D-16B-2 (Complete 9 tanks by 31 March 2024), and Schedule recovery is constrained by physical site, skilled labor TPA M-045-15 (Complete A-103 by 30 September 2022). availability, and as-found conditions within A/AX Farm.  Washington Department of Ecology has not responded to WRPS’s submittal Request to revise the A/AX Farm air permit needed to support to revise air permits for A and AX Farm exhausters. Permit revisions are retrieval was submitted to ECY on 23 February 2016.  prerequisites to meeting retrieval CD milestones. Previous communications indicated ECY would not act until the Vapor SA was finalized.  Work closely with WRPS and DOE legal to negotiate solution.  If necessary, transmit WRPS/ORP letter notification that CD milestone at risk due to ECY inaction.  WRPS/DOE and ECY have initiated discussions about retrieval plans for High-definition videos of A-104 and A-105 taken November 2017, leaking SSTs A-104 and A-105 that are part of CD Milestone B-2. Regulatory provide new information about the challenges with retrieval of those disposition is needed for TPA milestone M-045-15, retrieve A-103 by 30 tanks.  September 2022. A technical discussion meeting on A-103, A-104, and A-105 was held between WRPS, ORP, and ECY on 30 August 2018.  Regulatory disposition of TPA M-045-15 is needed near-term.  Costs of A/AX retrieval system construction have increased due to tank Implementation of APR use in AX farm will significantly improve vapor safety impacts, as-found site conditions, labor and material inflation efficiency/cost performance.  not predicted in project estimates, and other contributing causes. Portions of the waste retrieval system have been redesigned to simplify construction and reduce costs.  Re-compete of construction contracts in FY19 may have unanticipated impacts to performance and cost.  Deployment of new retrieval technologies is needed to improve efficiency Coordination with CTO to advance two new in-tank retrieval tools and to retrieve leaking tanks without causing further waste releases to the that are in development.  environment. Complete dome coring analysis in FY18. Evaluating the option to implement augering/coring for installation of new risers in A Farm tanks to reduce impact of as-found conditions.  Working with TFP and CTO to model tank vapor exposure during AX retrievals and design customized control strategy. October 2018 - FY 2019 56

  54. SST Retrievals Baseline Change Requests Project BCR# / Description Level CAM Estimated BCR Description Impact October Implementation All RPP-19-001 Fiscal Year 2019 Rate 3 All $4,950k The primary purpose of this Baseline Change Request (BCR) is to align the new contract values for fiscal year (FY) 2019 with the current Change\Contract Alignment - Direct baseline plan, including errata adjustment, negotiation loss, and to incorporate the rate change for FY2019. Various RPP-19-004 FY 2019 Performance Based Incentive 2 Various $0.0k This BCR adds only the PBI milestone fragments for the work scope identified in the PEMP per Contract Mod 498. Milestones Revision per Contract Mod 498 November Implementation (Future) A/AX RPP-19-009 AX Infrastructure Electrical Excavation 3 Bricker, Brad $765k This BCR will add budget for the corrective measures required to degraded values/pipes that are Obstructions Allen, Mark unearthed during excavation. It also adds budget for training for subcontract electricians and pipefitters required to qualify them to work in the farms. AY-102 RPP-19-018 Definitization of Contract Mod 508 3 Connolly, Joan ($1,789k) This BCR will true up the budget for the AY-102 Phase 3-4 AUW scope with the newly received contract negotiated values per Contract Mod 508. October 2018 - FY 2019 57

  55. SST Retrievals Improving Stable Worsening A/AX Farm Retrieval Risk Status Current Responsib Risk Status le Level & (since last ID Title Description Org. Ownership Handling Strategy Actions Trend Current Status update) 1. Use alternate risers Equipment in Risers is In order to begin retrieval of a tank (1/31/18) - Equipment continues to be corroded 2. Perform riser/pit inspections and rad more difficult to certain equipment must first be beyond expected remove than removed. Equipment may be more monitoring prior to design (2/28/18) A BCR has been made to address 3. Construct new risers anticipated difficult to remove from risers due to current realizations. either physical issues, bent risers, or 4. Alternative paths for field work (3/20/18) Sluicer was removed last week. unanticipated radiological 4/25/18 – Thermocouple was abandon in place contamination. and has caused a redesign. Two pumps were AAXRC- different from design causing removal delays. ORP/T Greenwell 0043-R High 6/19/18 – AX-104 pump has been moved. A farm OC thermocouple check will be occurring soon. 07/31/18 - AX-102/AX-104 removals are complete 8/31/18 – AX-101/103 4 of 6 thermocouples are currently stuck in risers. 10/31/18 – A new residual volume measurement system must be designed due to riser obstructions. As Found Field Drawing at Hanford are not always 1. Field walk downs and as-built design 1/31/18 - Equipment continues to be corroded Conditions Differ accurate to the installation of the drawings prior to design beyond expected. From Expected design. The risk is present that 2. Detailed riser inspections before starting 8/31/18 – ALC broke AX-102 planned work or designs may need to design 10/2/18 - Added obstructions beyond what was be replanted or redesigned to fit 3. Incorporate lessons learned from C Farm anticipated. AAXRC- accurate dimensions of the space 4. Remove in riser equipment as soon as ORP Greenwell Medium 0055-R available or the conditions of the practical space. 5. Inspect pits early 6. Install new risers 7. Inspect tanks early 8. A Farm Camera Inspections of Thermocouples Tank Vapors Result in Extensive field work will be required 1. Include additional Industrial Hygiene 1/23/18 - Two days were lost due to vapors last Technicians in cost proposal Unanticipated Work in the A Farm complex in order to week. Stoppages execute this project. Recent issues 2. Utilize actual costs from C Farm tanks when 3/31/18 – Bottle and mask complications developing estimate AAXRC- related to vapors within the A Farm continue to occur. 0077-R ORP Greenwell 3. Perform all early decontamination and repair High complex have resulted in multiple 4/25/18 – Bottle supply continues to be an issue. stop work orders. work on full respirators 6/19/18 - Construction called a SCBA stop work. 4. Increase stack height on all four exhausters 07/31/18 - AN APR rollout before AX, AY, and AZ. 5. Install A-Farm exhauster early 9/25/18 - Stop work due to charcoal (one day). 6. Overtime October 2018 - FY 2019 58

  56. SST Retrievals Improving Stable Worsening A/AX Farm Retrieval Risk Status Current Responsib Risk Status le Level & (since last ID Title Description Org. Ownership Handling Strategy Actions Trend Current Status update) Damage to In order to retrieve from each tank 1. Work planning and work control process 5/31/18 – Anchor bolts sheared off during Tank/Equipment certain equipment must be installed. 2. Mockups of key evolutions installation. During Equipment The process of installing this 3. Utilize go-no-go gauges / laser scanning as 8/31/18 – Rework installation of pipe due to Installation or equipment could do damage to appropriate improper install. Removal either the tank, other equipment, or 4. Maintain spare equipment in warehouse AAXR the equipment being installed. 5. Install new risers to avoid equipment damage Medium C- TOC Greenwell Removal of equipment has similar 0051-R risks. 1. Identify resource needs up front Inability to Adequately Resources from various organizations 6/19/18 - More IHTs will be needed for APR Staff the Project will be required to support project 2. Transition from C Farm implementation. 3. Include cost within proposal to full staff activities throughout the execution 09/25/18 - Delays due to electrician worker project teams of the A/AX retrieval project. A risk morale/attrition. AAXR exists that resources will not be 4. Subcontractor has been authorized to re-hire 10/31/18 - New electrician resources will be C- the needed resources available when needed to support TOC Greenwell High hired for the project. 0044-R project work. 5. Procure additional resources 6. Plan work with TFP resource needs in mind 7. Block training for 13 construction personnel 8. Hire 7 electricians 9. Hire 12 Pipe Fitters AZ-102 Unavailable for AZ-102 is currently being 1. Ultra Sonic Testing AZ-102 New Risk observed as a future leaking tank. 2. Tank Sampling Waste Receipt A risk exists that AZ-102 is unable to be used for AX waste receipt. AAXRC- DOE Greenwell High 0097-R October 2018 - FY 2019 59

  57. Closure & Interim Measures Angle-push under 241-A-105 October 2018 - FY 2019 60

  58. Closure & Interim Measures CM Schedule Variance: CTD Schedule Variance: -$3,942k • Refer to CM detail slide. 5.2.1.4.3 Direct Push Characterization & Sampling -$1,778k • Delays to this account are due to SX Tank Farm construction being delayed by 2 months, so direct push began late; other A farm scope has priority over direct push, so resources have not always been available; issuance of red arrow in August caused work to stop; damage of gamma logging tool from being dropped in borehole tubing. 5.2.4.2.3 RCRA Closure Plan Updates -$317k • The CTD SV is primarily due to delayed receipt of comments from ORP and Ecology on the TPA Closure Plans, and from ORP and DOE- EM on the WIR evaluation. 5.2.4.2.6 Integrated Disposal Facility Perf Assessments -$535k • The CTD SV is primarily due a delay in developing the ILAW WIR evaluation for DOE-HQ and public (including Ecology) review. IDF PA activities to support these reviews cannot commence until the reviews are performed. 5.2.4.2.7 Waste Mgt Areas C Performance Assessments -$602k • Delays in receipt of Ecology comments – Past Leaks Analysis, Baseline Risk Assessment, RCRA Closure Analysis; delay in initiating NRC review of WMA C PA. 5.2.5.6.20 241-C-301 Pre-Retrieval Sampling & Analysis -$327k • Delay with issuing sampling system development/design contract, which caused the subcontractor to get a delayed start. CM Cost Variance: CTD Cost Variance: $3,133k • Refer to CM detail slide. 5.2.1.4.1 Vadose Zone Mgmt & Regulatory Docs $1,760k • Labor & subcontractor efficiencies. The RFI report was revised from a previous version, which reduced the level of labor and subcontractor support to accomplish the work scope. Ecology accepted the WMA C RFI & CMS reports, not requiring a comment resolution period. 5.2.1.4.3 Direct Push Characterization & Sampling -$1,245k • Ramp up/mobilization costs were more than planned. Drilling contractor's actual costs are higher due to vapor impacts. Vapor impacts were not included in planning. Resources have been unavailable, yet standby costs are still incurred. 5.2.4.1.1 Closure Program Management $1,113k • Labor efficiencies due to vacancies in technical personnel; diversion of resources to higher priority work scope 5.2.4.2.3 RCRA Closure Plan Updates $2,243k • Labor efficiencies due to experienced, in- house SME’s executing the development of multiple documents 5.2.4.2.7 Waste Mgt Area C Performance Assessments -$1,122k • Increased labor/subcontract resources required to complete additional Exposure Scenario Document; three additional environmental model calculation files; address review comments to WMA C PA FY16 updates; delays in receipt of Ecology comments on documents. 2 October 2018 - FY 2019 61

  59. Closure & Interim Measures Major Current Month Variances COST No significant variances to report. October 2018 - FY 2019 62

  60. Closure & Interim Measures Major Current Month Variances SCHEDULE No significant variances to report. October 2018 - FY 2019 63

  61. Closure & Interim Measures Issues/Risks/Corrective Actions WRPS Owner Issues ORP Owner Status A “roadmap” for closure of WMA C has been developed to help address concerns and support Potential risk of the abbreviated Tier 1 Closure Plan not being upcoming public meetings. Meetings among Paul Rutland Jan Bovier accepted (50 pages vs. 1,000 pages) by Ecology Ecology, ORP, and WRPS concerning the content of all three closure plan tiers will begin in the near future. WRPS personnel supporting DOE and Ecology in the comment submittal process. It is anticipated Receipt of Ecology comments continue to be delayed for two that schedule recovery will not occur during FY18. key closure documents. There is a day-for-day slip to successor Paul Rutland Jan Bovier (Approval of the RFI and CMS was received on activities as a result. June 11, 2018. Comments on the RCRA Tier 2 and 3 Closure Plans were received on June 26, 2018). Ecology comments on the RCRA Tier 2 and 3 Closure Plans are confusing in regards to whether the Closure Plans would be WRPS and ORP personnel are working together to included in Revision 8C or Revision 9 of the Hanford RCRA Paul Rutland Jan Bovier develop a path forward. Facility Permit. Inclusion in Revision 9 rather than Revision 8C could cause a multiyear delay in closing WMA C. October 2018 - FY 2019 64

  62. Closure & Interim Measures Accomplishments and Look Ahead Accomplishments Look Ahead October November Waste Management Area (WMA) C: WMA C: • • Continued development of responses to Ecology’s comments on the WMA Continue disposition of Ecology’s comments on WMA C IPA • Continue Bulk-fill Grout Testing C IPA and conducted meetings with Ecology for resolving the comments. • • Begin DQO meeting on C-301 and CR Vaults. Began preparations for DQO development for C-301 and CR Vaults. • • Work with ORP to develop a path forward for resolving programmatic Ecology Continued Bulk-fill Grout Testing • comments on the RCRA Tiers 2 and 3 Closure Plans Develop and Review responses to Ecology comments on the RCRA Tiers 2 • Complete public review of the WMA C WIR. and 3 Closure Plans WMA A-AX: WMA A-AX: • Continue work on the WMA A-AX PA groundwater analysis and sensitivity cases. • Continued work on the WMA A-AX PA • Brief Ecology on WMA A-AX PA progress in FY2018 and Conceptual Model development • Continued direct push drilling in A Farm for analysis of A-105 past leaks. • Successfully retrieved logging tool from borehole in A Farm. • Support Ecology review of the WMA A-AX SAP. Integrated Disposal Facility (IDF): • Continue direct push drilling at A Farm. • The public clearance process for the IDF PA support documents IDF: (calculations and reports) and the IDF PA continued. • Continue info clearance process for IDF PA & the supporting reports & calculations. • Initiated development of the permit-required Risk Budget Tool. • Continue to develop the scope of the permit-required Risk Budget Tool. Interim Measures: • Evaluate on-going research for potential impacts to the PA. • Construction activities for the SX Expansion Barrier are underway. • Support HOE-HQ review of the draft Waste Incidental to Reprocessing (WIR) evaluation • Continued design of a first panel of an interim surface barrier at TX Tank for low-activity waste vitrification facility feed. Farm Interim Measures: • Begin design activities for panel 2 and 3 of Barrier 3 at TX Tank Farm December WMA C: • Support HQ review of the DOE Order 435.1 Tier 1 and Tier 2 Closure Plans • Continue disposition of Ecology’s comments on WMA C IPA • Complete Bulk-fill Grout Testing • Continue DQOs for 244-CR Vault and the 241-C-301 Catch Tank. • Continue discussions with Ecology on responses to their comments on the RCRA Tiers 2 and 3 Closure Plans WMA A-AX: • Continue work on the WMA A-AX PA • Continue Direct Push work in A Farm IDF: • Continue development of the permit-required Risk Budget Tool. • Continue WIR evaluation support. • Initiate DOE annual summary report. Interim Measures: • Continue design activities for two south panels of Barrier 3 at TX Tank Farm October 2018 - FY 2019 65

  63. Closure & Interim Measures Deliverables/PBIs FY 2019 Key Deliverables Target Forecast PBI-52.0.2.1 - Complete Focus Area 2 WMA A/AX Data Quality Objectives (DQO) for ORP review by 9/30/19 SEP 2019 MAY 2019 PBI-52.0.2.2 - Complete Focus Area 2 WMA A/AX Sampling Analysis Plan (SAP) for ORP review by 9/30/19 SEP 2019 JUL 2019 PBI-52.0.3 - Complete Data Quality Objectives (DQO) for the CR Vault by 9/30/19 SEP 2019 APR 2019 PBI-52.0.4 - Complete Data Quality Objectives (DQO) for the 241-C-301 Catch Tank by 9/30/19 SEP 2019 JAN 2019 PBI-52.0.5 - Perform VZ Direct Push charact. Focus Area 1 WMA A/AX (10 samples/at least 5 locations/analysis) by 9/30/19 SEP 2019 AUG 2019 PBI-52.0.6 - In support of TPA MS M-045-56, develop SAP for T-102/T-105 areas for ORP review by 9/30/19 SEP 2019 AUG 2019 PBI-52.0.7 - Complete preparation of the draft preliminary WMA A/AX PA by 9/30/19 SEP 2019 SEP 2019 PBI-52.0.8 - Complete update of DOE O 435.1 PA for WMA C by July 30, 2019 JUL 2019 JUN 2019 PBI-52.0.9 - Complete update of draft WIR evaluation for WMA C by 9/30/19 SEP 2019 AUG 2019 October 2018 - FY 2019 66

  64. Chief Technology Office & Closure October 2018 - FY 2019 LAWPS Engineering-Scale Alternate Retrieval End Effector Integrated Test Platform Fabrication Testing A Tank Farm Direct Push Vertical DFLAW Radioactive Waste Test Borehole Platform

  65. Chief Technology Office & Closure Overview October 2018 - FY 2019 68

  66. Chief Technology Office & Closure Schedule Recovery Cumulative to Date SV Forecast October 2018 - FY 2019 69

  67. Chief Technology Office & Closure Major Current Month Variances Cost - CM 5.3.6.1.4 IDF Glass Testing -$363k Cause: The CM CV is primarily due to Lysimeter Cleanout costs were higher than originally planned due to removal of material from 14 caissons versus 7 originally planned (Contractor, Guzzler and labor already on-sight). In addition, the Gussler is not allowed on the open road because of DOT restrictions on the Hanford site, therefore, additional labor and equipment were required to transferred the material to SX Farm spoils pile by dump truck. Impact: There is no impact to any other activities outside of this account. Corrective Action: There is no corrective action. This control account is estimated to be underspent. October 2018 - FY 2019 70

  68. Chief Technology Office & Closure Major Current Month Variances Schedule - CM 5.3.12.2.6 DFLAW Rad Waste Test Platform -$236k Cause : The CM SV is primarily due to the lack of resources to obtain the sample for AP-107. Company level priority pushed the AP-107 sample back one month to make sure to get a sample for AW-102 for higher priority work. The AP-107 sample is expected to be taken in November.. Impact : No impact to the project. Corrective Action : There is no corrective action as a result of the CM SV. October 2018 - FY 2019 71

  69. Chief Technology Office & Closure Major Cumulative to Date Variances Cost - CTD 5.2.1.4.1 Vadose Zone Mgmt & Regulatory Docs $1,760k Cause : The CTD CV is primarily due to labor efficiencies. Although subcontractor resources and costs have increased, this has been offset by the reduction of internal labor resource support. This scope was planned to be performed by internal labor resources, but with previous vacancies of both direct and staff aug positions, additional subcontractor resources were required to complete regulatory documentation scope (WMA C RFI report, WMA C RFI and CMS comment responses, and WMA A-AX DQO). The RFI report was revised from a previous version, which reduced the level of labor to accomplish the work scope. There was a delay in receiving comments from Ecology on both the RFI and CMS reports, but in JUN 18, Ecology accepted the reports without requiring additional comments or a comment resolution period. Another contributing factor to the CV has been labor vacancies. In previous years there have been vacancies in technical personnel, both direct and staff aug positions. The scope outside of this account has been designated as high priority. Some resources planned under this account were diverted to support the higher priority work scope. Impact : There are no impacts to baseline activities outside of this control account. Corrective Action : No corrective actions. This is a favorable variance. 5.2.1.4.3 Direct Push Characterization & Sampling -$1,245k Cause : The subcontractor ramp up/mobilization costs were more than planned. Baseline costs are not inclusive of vapor impacts and not accounted for by the drilling contractor in their estimate. Wearing respirators reduces the amount of hours in the farm and impacts the baseline cost. Due to higher priority A farm work, direct push has experienced days without any resources to work. However, stand-by time costs are still incurred. Impact : There will be an unfavorable cost at completion, which is reflected in the EAC. Corrective Action : No corrective action. FY18 scope has been carried over into FY19 for completion. 5.2.4.1.1 Closure Program Management $1,113k Cause : The CTD CV is primarily due to labor efficiencies. In prior fiscal years, this level of effort account experienced vacancies in technical personnel, both direct and staff aug positions. The scope outside of this account was designated as high priority. Resources planned under this account were diverted to support the higher priority work scope. Impact : There are no impacts to baseline activities outside of this control account. Corrective Action : No corrective actions. This is a favorable variance. 5.2.4.2.3 RCRA Closure Plan Updates $2,243k Cause : The CTD CV is due to labor & subcontractor efficiencies. Internal subject matter experts were used, instead of additional subcontractor support, to develop the TPA Closure Plans (Tier 1, 2, & 3), WIR, & DOE 435.1 Closure Plan. Realignment of internal resources supporting multiple activities within the organization resulted in labor efficiencies. Also, comments received from ORP required fewer document revisions than planned. Impact : Using internal subject matter expert support has resulted in an overall cost savings for the TPA Tier 1, 2, and 3 Closure Plans, WIR development, and DOE 435.1 Closure Plan development. Cost efficiencies have been accounted for in the EAC. Corrective Action : No corrective action. Variance is favorable. 5.2.4.2.7 Waste Mgt Area C Performance Assessments -$1,122k Cause : The CTD CV is primarily due to the FY16 additional direct and subcontract labor support required to complete an additional Exposure Scenario Document and 3 additional environmental model calculation files (EMCF) in preparation for the WMA C PA review by the Low Level Waste Federal Review Group (LFRG). Additionally, direct labor and subcontractor technical support was necessary to address review comments in updates to the WMA C PA documentation in FY16. The CTD CV continues to increase because of the higher level of effort associated with Ecology on comment resolution for WMA C PA documentation. The modeling estimates were based on the Savannah River Site modeling effort. The Hanford site modeling effort is proving to be much more difficult technically, requiring increased modeling and documentation to complete the scope. Impact : The delay in receiving comments back from Ecology on the following WMA C documents, Past Leaks Analysis, Baseline Risk Assessment, RCRA Closure Analysis, and the comment resolution process will delay completion of updates to these documents until sometime in FY19. The delay in the start of NRC review will push out completion of the concurrent PA review by the NRC into second quarter FY19 and will impact completion of updates to the WMA C PA in response to NRC review comments until, at the earliest time, the end of the third quarter of FY19. The delay in the start of the NRC review of the WMA C PA will have a similar impact in the NRC review for the WMA C WIR and updates planned in response to NRC review comments on the WIR (See 5.2.4.2.3.2 & 5.2.4.2.3.5 DOE 435.1 Closure Plans). Corrective Action : No corrective action. Variance is not recoverable and will be unfavorable at completion. October 2018 - FY 2019 72

  70. Chief Technology Office & Closure Major Cumulative to Date Variances Cost – CTD (cont.) 5.3.6.1.4 IDF Glass Testing $1,444k Cause: The CTD CV is primarily due to the following: 1) Subcontract resources provided by Pacific Northwest National Lab (PNNL) experienced usage efficiencies due to their historical knowledge and expertise of the IDF Glass Testing Program, FYs 14 - 16, and FY 17. 2) WRPS labor resource usage in FY 14 was less than the planned baseline for oversight/management of the IDF Glass Testing Program. This efficiency is attributed to the labor resources and confidence in subcontractor's historical knowledge and expertise of the work scope, which required less oversight/management. Impact: There is no impact to any other activities outside of this account. Corrective Action: There is no corrective action planned. The favorable CTD CV is due to efficiencies realized in previous fiscal years. 5.3.10.3.2 Secondary Waste Form Development $1,658k Cause : The CTD CV is primarily due to resource usage and price efficiencies realized by the National Laboratories subcontracted to perform this scope. 1)The work being performed by SRNL in support of the Waste Form Development of Fresh Properties has experienced resource usage efficiencies in the work performed to date and the project expects that this trend will continue with their remaining work. The contract was awarded to SRNL for significantly less than what was originally estimated and to date, they have been able to execute the scope within the funds awarded and they do not expect to exceed this. 2) PNNL experienced resource usage and price efficiencies in FY 14. This is attributed to the fact that PNNL has worked extensively in the past on similar work scope and was able to engage efficiently to support this effort. 3) The National Labs (PNNL & SRNL) contracted to support Secondary Waste Form Development in FY 15 also experienced resource usage and price efficiencies, again due to the fact that the national labs have worked extensively in the past on similar work scope and were able to engage efficiently to support this effort. Impact : There is no impact to any other activities outside of this account. Corrective Action : There is no corrective action planned. The favorable CTD CV is due to efficiencies realized in previous fiscal years. 5.3.12.2.1 Technology Development $3,177k Cause: The CTD CV is due to the following: 1) Labor usage efficiencies in FY 14. At the beginning of FY 14, a significant portion of scope was not authorized. As a result, labor resources were redirected to other project accounts. In Jun 14, the afore-mentioned scope was authorized and implemented into the baseline. However, the reinstatement of staff to the project was slower than expected due to completion of reassigned work. 2) SRNL actual costs under Inter Entity Work Order (IEWO) contracts were not processed through TOC financial systems, which resulted in a favorable cost variance. 3) Labor usage efficiencies experienced in FY 15 in the LOE account for Technology Development and Program Management. 4) PNNL subcontract labor usage and price efficiencies under the Low Temperature Waste Form account were realized in FY 15. This is a result of their historic knowledge and expertise of the work scope. Impact: No impact to the project. The SRNL IEWO contracts (IEWO = BCWS, BCWP without ACWP) will cause a final positive CTD variance. Corrective Action: This CAP is complete October 2018 - FY 2019 73

  71. Chief Technology Office & Closure Major Cumulative to Date Variances Cost – CTD (cont.) 5.3.12.2.2 Technology Maturation & Analysis $2,922k Cause : The CTD CV is primarily due the following: 1) Labor usage efficiencies have been realized in the Technology Maturation & Analysis LOE account, as there has been less management oversight/support required than what was originally planned. This is primarily due to a senior project manager being moved to another project in mid-Fiscal Year (FY) 16, the attrition of project manager in mid-FY 17, and the attrition of a senior engineer mid-year FY 16. The responsibilities for the senior project manager and the senior engineer have been filled by existing resources. The other project manager position has been supported in the interim by another staff member also already on-board. 2) Resource usage efficiencies related to the subcontract support for external reviews and technical support in the Technology Maturation & Analysis LOE account. To date, there has been less subcontract support required than originally planned. 3) For FY 18, The SRNL technical support resource was obtained under an Approved Funding Program (AFP). Under an AFP, the funding is transferred to SRNL via DOE. AFP costs are not processed through the TOC financial systems. However, the performance for the associated work scope is reported, resulting in a favorable cost variance. Impact: There is no impact to any other activities outside of this account. Corrective Action : There is no corrective action. This control account is estimated to be underspent. 5.3.12.2.4 Solid Secondary Waste Stream Tech Mat (DFLAW) $867k Cause: The CTD CV is primarily due to subcontractor utilizing less resources necessary to complete the Waste Form test prep and testing. SRNL is the subcontracted national lab, which is performing work under this control account. SRNL experienced efficiencies associated to the development of the work plan and data gathering of the secondary solid waste inventories. Impact: There is no impact to any other activities outside of this account. Corrective Action: No corrective action planned. 5.3.12.2.6 DFLAW Rad Waste Test Bed -$1,142k Cause : The CTD CV is due to additional resources to 1) repair/rework of the CUF preparatory to running the second 1/2 of the waste through the CUF and Ion Exchange column, and 2) additional resources necessary to prepare simulant and actual waste from AP-105 Melter simulant operations runs 1 and 2, and writing the AP-105 melter Test instructions by Pacific Northwest National Lab (PNNL). Additionally, because it was the first of a kind, there was a learning curve to design and understand the necessary installation of the Radioactive Waste Test Platform. Impact : No impact to the project. Corrective Action : No corrective action planned. October 2018 - FY 2019 74

  72. Chief Technology Office & Closure Major Cumulative to Date Variances Schedule - CTD 5.2.1.4.3 Direct Push Characterization & Sampling -$1,778k Cause : The CTD SV for this A Farm scope is due to the delay of interim barrier construction in the SX Tank Farm. The SX work was a precursor to the A Farm Direct Push activities (driving logging boreholes and performing borehole logging). Resources were being shared between the two tank farms due to the subcontractor only having one piece of equipment and one crew to perform both projects. With SX being the priority, the A Farm scope was delayed two months and didn't get started until MAY 18. Additional contributors to the unfavorable SV are (1) the gamma logging tool fell to the bottom of the direct push hole. Logging had to stop. It was discovered that the tool broke in the logging hole tubing, and (2) the issuance of a red arrow that was initiated on Wednesday, August 7th, 2018 against work utilizing Scott chemical and combo cartridges. The red arrow was in response to a five workers experiencing charcoal dusting when utilizing the Scott combo cartridges. The A Farm exhauster pad second pour commenced on graveyard shift starting Friday, August 24th, 2018. This second pad pour was performed under a modified alternative respiratory protection assessment (ARPA) using Scott air-purifying respirator (APR) or MSA powered air purifying respirator (PAPR). The fieldworkers chose to use PAPR with much success. Due to higher priority A farm work, direct push has had days without any resources. Impact : Scope planned for FY18 was pushed into FY19 for completion and some of the planned FY19 scope is now scheduled to complete in FY20. Corrective Action : There is no corrective action to take. The delay can’t be recovered. FY18 scope will carry over into FY19 and some of FY19 into FY20. 5.2.4.2.3 RCRA Closure Plan Updates -$317k Cause : The CTD SV is primarily due to delayed receipt of comments from ORP and Ecology on the TPA Closure Plans, and from ORP and DOE-EM on the WIR evaluation. Impact : The delay will impact the completion of final drafts of the TPA Closure Plans and DOE 435.1 documents (WIR Evaluation and Closure Plans), which have been carried over from FY17 into FY18 and now into FY19. Corrective Action : A strategy is being developed to accelerate the final approval of the DOE O 435.1 documents (WIR Evaluation and Closure Plans). Discussions are on-going with Ecology on the path forward for the TPA Closure Plans. The CAM and project leads are aware of the delays and discussing this topic weekly. 5.2.4.2.6 Integrated Disposal Facility Perf Assessment -$535k Cause : The CTD SV is due to delays in completing the immobilized low-activity waste (ILAW) Waste Incidental to Reprocessing (WIR) evaluation. The ILAW WIR relies on information in the IDF PA, so the IDF PA scope included support activities during the ILAW WIR review by DOE-HQ and the public. This support cannot proceed until WRPS and DOE-ORP provide the ILAW WIR to the reviewers. Impact : There is no impact to any other activities outside of this account, and no impact to the critical path. Corrective Action : The variance will be made up once WRPS and DOE-ORP provide the ILAW WIR to the reviewers. October 2018 - FY 2019 75

  73. Chief Technology Office & Closure Major Cumulative to Date Variances Schedule – CTD (cont.) 5.2.4.2.7 Waste Mgt Area C Performance Assessments -$602k Cause : The CTD SV is primarily due to (1) a delay in receiving comments from Ecology on WMA C documents - Past Leaks Analysis, Baseline Risk Assessment, RCRA Closure Analysis, and (2) a delay in initiating NRC review of the WMA C PA as planned/scheduled. This NRC review of the WMA C PA is linked to the NRC review of the WMA C WIR being done under WBS 5.2.4.2.3.2 & 5.2.4.2.3.5 (DOE 435.1 Closure Plans). The WIR was transmitted to DOE- HQ for review by the Office of General Council (OGC) in JUL 17. The time required for review and approval by the OGC at DOE-HQ to submit the WIR to NRC for review delayed the start of the concurrent NRC review of the WMA C PA and WIR, which started JUN 18. Impact : The delay in receiving comments back from Ecology on the following WMA C documents, Past Leaks Analysis, Baseline Risk Assessment, RCRA Closure Analysis, and the comment resolution process will delay completion of updates to these documents until sometime in FY19. The delay in the start of NRC review will push out completion of the concurrent PA review by the NRC into second quarter FY19 and will impact completion of updates to the WMA C PA in response to NRC review comments until, at the earliest time, the end of the third quarter of FY19. The delay in the start of the NRC review of the WMA C PA will have a similar impact in the NRC review for the WMA C WIR and updates planned in response to NRC review comments on the WIR (See 5.2.4.2.3.2 & 5.2.4.2.3.5 DOE 435.1 Closure Plans). Corrective Action : No corrective action. Variance is not recoverable and will be unfavorable at completion. 5.2.5.6.20 241-C-301 Catch Tank -$327k Cause : The CTD SV is due to activities HHA-CCT2020 (241-C-301 Catch Tank Training, work package development [logging]) and HHA-CCT2030 (241-C-301 Catch Tank Mobilization/Logging/Demobilization [logging]). These activities were planned for FY18, but during the FY19 planning effort, it was realized that they needed to follow scope that was being proposed for FY19. In May 18, they were constrained in the schedule to follow the proposed FY19 scope, causing a SV. Impact : These activities have been delayed until the second quarter of FY19. Corrective Action : There is no corrective action. They will be performed in FY19. October 2018 - FY 2019 76

  74. Chief Technology Office FY 2019 Key Deliverables FY 2019 Key Deliverables Target Forecast PBI-53.0.1 - Complete testing and laboratory studies to support disposal related waste form performance necessary for SEP 2019 SEP 2019 advanced glasses, secondary liquid waste streams, and secondary solid waste forms by 9/30/19 PBI-53.0.2 - Complete waste form development and performance testing for EMF bottoms utilizing real waste by 9/30/19 SEP 2019 SEP 2019 PBI-53.0.3.1 - Complete sample preparation and test configuration for one (1) lysimeter cells with a focus on cementitious only SEP 2019 SEP 2019 and glass only waste forms by 9/30/19 PBI-53.0.3.2 - Complete sample preparation and test configuration for one (2) lysimeter cells with a focus on cementitious only SEP 2019 SEP 2019 and glass only waste forms by 9/30/19 PBI-53.0.3.3 - Complete sample preparation and test configuration for one (3) lysimeter cells with a focus on cementitious only SEP 2019 SEP 2019 and glass only waste forms by 9/30/19 PBI-53.0.4 - Fabricate and design a non-destructive examination (NDE) technology based on FY 2017 Effectiveness Testing and lessons learned from prototype design and sensor testing in FY 2018. Complete integration testing of the delivery system and SEP 2019 SEP 2019 sensor for under double shell tank developed by the Tank and Pipeline Integrity (TAPI) group by 9/30/19 PBI-53.0.5 - Complete fabrication of new shielded sampler for the Tank Farms and complete functional testing by 9/30/19 SEP 2019 SEP 2019 PBI-53.0.6 - Complete demonstration of the integrated mechanical waste gathering system technology following component SEP 2019 SEP 2019 testing and submit an effectiveness test report by 9/30/19 PBI-53.0.7 - Complete 90% design of the NUCON vapor abatement unit by 9/30/19 SEP 2019 SEP 2019 October 2018 - FY 2019 77

  75. Chief Technology Office FY 2019 Key Deliverables FY 2019 Key Deliverables Target Forecast PBI-53.0.8 - Perform characterization of the spent CST used for the AP-107 real waste testing by 9/30/19 SEP 2019 SEP 2019 PBI-53.0.9 - Perform crucible melt with spent CST from AP-107 real waste testing by 9/30/19 SEP 2019 SEP 2019 PBI-53.0. 10 - Confirm TSCR Filter operations with real waste for AP-107 to support TSCR filter type by 9/30/19 SEP 2019 SEP 2019 PBI-53.0.11 - Complete AP-107 IX testing with CST by 9/30/19 SEP 2019 SEP 2019 October 2018 - FY 2019 78

  76. Closure & Corrective Measures FY 2019 Key Deliverables FY 2019 Key Deliverables Target Forecast PBI-52.0.2.1 - Complete Focus Area 2 WMA A/AX Data Quality Objectives (DQO) for ORP review by 9/30/19 SEP 2019 MAY 2019 PBI-52.0.2.2 - Complete Focus Area 2 WMA A/AX Sampling Analysis Plan (SAP) for ORP review by 9/30/19 SEP 2019 JUL 2019 PBI-52.0.3 - Complete Data Quality Objectives (DQO) for the CR Vault by 9/30/19 SEP 2019 APR 2019 PBI-52.0.4 - Complete Data Quality Objectives (DQO) for the 241-C-301 Catch Tank by 9/30/19 SEP 2019 JAN 2019 PBI-52.0.5 - Perform VZ Direct Push charact. Focus Area 1 WMA A/AX (10 samples/at least 5 locations/analysis) by 9/30/19 SEP 2019 AUG 2019 PBI-52.0.6 - In support of TPA MS M-045-56, develop SAP for T-102/T-105 areas for ORP review by 9/30/19 SEP 2019 AUG 2019 PBI-52.0.7 - Complete preparation of the draft preliminary WMA A/AX PA by 9/30/19 SEP 2019 SEP 2019 PBI-52.0.8 - Complete update of DOE O 435.1 PA for WMA C by July 30, 2019 JUL 2019 JUN 2019 PBI-52.0.9 - Complete update of draft WIR evaluation for WMA C by 9/30/19 SEP 2019 AUG 2019 October 2018 - FY 2019 79

  77. Chief Technology Office & Closure Contract Changes Estimated Contract Changes Assigned Date Tech Lead Target Completion Current Status Impact ($M) Nothing to report. October 2018 - FY 2019 80

  78. Chief Technology Office & Closure BCR Status BCR#/Description Level Assigned Date CAM Target Completion Estimated Impact Current Status RPP-19-001 - Fiscal Year 2019 Rate 3 4-Oct-18 All Oct-18 $4.95M Implemented in October 2018. The Change\Contract Alignment - errata items were an increase of Direct $15.14M and the rate changes resulted in a reduction of $10.18M. PMB overall increase was $4.95M. RPP-19-004 - FY 2019 Performance 2 1-Oct-18 All Oct-18 $0.00 Implemented in October 2018. Based Incentive Milestone Incorporated revised Section J for Revision per Contract Mod 498 FY19 per contract mod 498. October 2018 - FY 2019 81

  79. Mission Integration October 2018 - FY 2019

  80. Mission Integration Ov Over erview view October 2018 - FY 2019 83

  81. Mission Integration Sc Sche hedu dule le Rec ecover ery Cumulative to Date SV Forecast October 2018 - FY 2019 84

  82. Mission Integration Cur Curren ent t Mont Month V h Var arianc iances es Cost Nothing to report. October 2018 - FY 2019 85

  83. Mission Integration Cur Curren ent t Mont Month V h Var arianc iances es Schedule Nothing to report. October 2018 - FY 2019 86

  84. Mission Integration Cumu Cumula lativ tive e to to Da Date te Var arianc iances es Cost 5.03.01.01.08 Mission Integration Support Program $2,923k  Cause: The CTD CV for this level-of-effort account is primarily due to: • Labor & Staff Aug: Under the Mission Integration Project Controls Management work package, a scheduler is planned to maint ain the DFLAW Integration schedule. The maintenance/update of this schedule has been performed by an existing Mission Integration Project Controls resource, and has not required retention of an additional scheduler. Also, BTR support was planned at 0.8 FTE, with actual support experienced at 0.5 FTE. The number and size of the procurement actions realized to date is less than estimated. As a result, a decreased level of BTR support has been required. Additionally, a senior-level communication specialist was planned. An existing staff aug resource was utilized to perform the planned communication specialist work scope through Jan 17. However, this was a shared resource and the actual level of support was less than originally planned. As of Feb 17, a subcontracted resource was retained to perform the communication specialist scope. The subcontracted resource is less experienced, and the actual effective hourly rate is less than the planned hourly rate for this position. Also, the level of support required is less than full-time that was originally estimated. The level of ESH&Q support planned for level of effort Integrated Permitting Strategies and ESH&Q Program Support work packages has not been experienced. The direct resources planned under these work packages have been diverted to support higher priority work scope, which has resulted in a lower level of support to the Integrated Permitting Strategies and Program Support scope. • Subcontracts: The planned subcontract support for FY 16 and 17 was based on the actual experience for FY 15. Mission Inte gration was re-organized during FY 15 and conducted independent/external assessments to determine/validate the effectiveness of the Mission Integration organizational changes. Several technical specialists were also retained via subcontract to provide independent technical and integration support. However, as Mission Integration has evolved and established a foundation since the FY 15 re-organization, it has not required the same level of independent/external subcontracted support and as that experienced in FY 15. Therefore, the actual number and value of subcontracted support is less than originally planned.  Impact: There is no impact to any other activities outside of this account.  Corrective Action : No corrective actions planned. This is a favorable variance. 5.01.05.04.04 Mission Integration Nuclear Safety & Engineering $2,917k  Cause: The CTD CV is primarily due to efficiencies realized as a result of changes in the processes used for the development of Project Implementation Plans (PIPs). Specifically, a standardized PIP process was developed and implemented for the development and completion of multiple PIPs under the Engineering Program Integration account, which eliminated a significant duplication of effort. Additional efficiencies were realized in FY 2014, when PIP templates were development. Implementation of the standardized process and templates required less labor, staff augmentation, and subcontracted resources to perform the PIP work scope. The implementation of a process assigning PIPs with similar objectives/scope to subcontracted resources resulted in the realization of additional labor and subcontract efficiencies in the Nuclear Safety DSA Program Development work package. This is a level-of-effort account that has planned labor resources that are vacant, one Manager and one Engineer. Due to changes in the nature and volume of scope under this account, there are not any plans to retain resources for these vacancies. This has resulted in more efficient performance of the work scope with the existing resources.  Impact: There is no impact to any other activities/accounts outside of this account.  Corrective Action: No corrective actions planned. This is a favorable variance. 5.03.12.03.01 Alternative Engineering & Development $2,975k • Cause: The CTD CV is primarily due to labor and subcontract efficiencies for: • The LERF/ETF Phased Engineering Study and Strategic Initiatives Analysis Plan (SIAP) is being performed by internal labor resource. This scope was originally planned to be accomplished via subcontracted resources. The internal resources have accomplished the work scope more efficiently than was anticipated for the planned subcontract support due to their experience and historical knowledge. • New data was obtained from the CH -TRU project, which resulted in a more efficient analysis of the RH-TRU project risks and issues. • The RH -TRU project risks and issues analysis provided sufficient technical data to eliminate the necessity of conducting the planned RH-TRU engineering study, and was utilized to prepare a white paper in support of the SIAP. • The effort required for the development, scenario selection, and analysis/organization activities was less than planned due to the experience and historical knowledge of the internal labor and subcontracted resources that performed the work scope. • Impact: There is no impact to any other baseline activities outside of this account. • Corrective Action: No corrective actions planned. This is a favorable variance. October 2018 - FY 2019 87

  85. Mission Integration Cumu Cumula lativ tive e to to Da Date te Var arianc iances es Cost (cont.) 5.03.07.05.01 WTP Interface Management $2,654k • Cause: The CTD CV is primarily due to experienced labor and subcontract efficiencies in the Secondary Solid Waste Mgmt and Interface Control Program work packages during FY14 and FY15. Secondary Solid Waste Mgmt: • Fewer resources were required to accomplish the work scope due to the utilization of experienced personnel with extensive h istorical knowledge. Specifically, the subcontracted WIR author had an excellent background in producing WIRs for other DOE sites, and was able to draft document sections in less time than estimated. At the same time produced draft WIR section, with the WRPS WIR technical lead, at a quality level that resulted in minimal comments and re-work. • The initial IDF PA subcontractor com pleted its independent analyses and reviews ahead of schedule, allowing for early closeout of the subcontract. A subsequent subcontract was awarded to a less costly independent resource where support consisted of simple phone calls for expert analysis. • More efficient completion of inventory data package scope was experienced, allowing internal resources flexibility to support the WRPS IDF PA organization in its level-of-effort activities, which are outside the scope of this WBS. Interface Control Program: • The accomplishment of work scope under this work package required fewer labor resources than planned as a result of technic al lead reviews from Operations/Engineering personnel, and minimal technical manager oversight of subcontracted resources. • Impact: There are no impacts to any other activities or accounts outside of this account. • Corrective Action : No corrective actions planned. This is a favorable variance. 5.03.07.08.01 WTP Integrated Readiness Preparation $2,416k • Cause: The CTD CV is primarily due to labor efficiencies being realized in the Integrated Readiness Preparation and the Integrated Readiness Program Management work packages. The work scope performed to date has been accomplished by fewer resources than planned due to their experience and historical knowledge of the work scope. The CTD CV in the Integrated Readiness Preparation work package consists of historical labor under-runs in FY14-FY16 as well as additional labor under-runs in the current fiscal year. Additionally, the CTD CV in the Integrated Readiness Program Management work package consists of historical labor under-runs in FY14-FY16, as well as additional labor under-runs in the current fiscal year. • Impact: There are no impacts to any other activities or accounts outside of this account. • Corrective Action: No corrective actions planned. This is a favorable variance. 5.03.01.02.06 Mission Analysis $2,300k • Cause: The CTD CV is due to experienced efficiencies for labor, material, and staff aug resources. Mission Analysis: • Labor: Work scope requested by the Department of Energy, Office of River Protection, did not require planned chemist suppo rt. During mid-Jul 15, the planned Mission Analysis group manager, transitioned to an acting Level 2 manager position. A more junior resource was assigned as the Mission Analysis group manager. The actual hourly rate for the junior resource was less than the manager hourly rate utilized for planning. As of Oct 17, the Mission Analysis group manager position has been vacant. Therefore, the planned cost for a Manager has not been experienced. • Material: Due to the advanced capabilities and performance of site standard co mputers, the organization was able to utilize site standard computers, instead of the planned higher cost non-standard high-end computers. Also, software maintenance agreements were not renewed due to lack of quality and service provided by the vendor. October 2018 - FY 2019 88

  86. Mission Integration Cumu Cumula lativ tive e to to Da Date te Var arianc iances es Cost (cont.) 5.03.01.02.06 Mission Analysis $2,300k (Cont.) Operations & WFD Planning: • Labor: Junior Chemical Engineers were utilized to accomplish the planned work scope, with an actual hourly rate that is le ss than the Chemical Engineer hourly rate utilized for planning ($72/hr actual effective rate vs $77/hour planning rate). Also, historical costs were utilized to plan this work, however the effort required was not as substantial as planned. System Plan Rev. 8: • Subcontracts: Based on previous System Plan experience .5 FTE was budgeted to help recover system plan overruns if needed. This support was not required. A Manager was planned to support this work scope. It was originally planned that the management support would be provided by the Mission Analysis group manager. However, this position has been vacant since Oct 17. Therefore, the planned cost for a Manager has not been experienced.  Impact: There is no impact to any other activities outside of this account.  Corrective Action: No corrective actions planned. This is a favorable variance. 5.03.01.07.01 Project Flowsheets $2,170k  Cause: The CTD CV is due to experienced efficiencies for labor and subcontract resources. • Labor: Fewer Chemical Engineer resources have been required due to the utilization of direct resources with extensive expe rience and historical knowledge of the work scope. The Project Flowsheet Manager position was vacant for 5 months (between Jul 16 and Dec 16). The resource retained to fill this position has an effective actual hourly rate that is less than the Manager hourly rate used for planning. This is offset by the Staff Aug modeling support, which is significantly greater than planned, due to both the number of planned resources (1 planned, 2 actual) and the level of support required. • Subcontracts: Due to a realignment of work scope priorities, the planned level of subcontract support has not been require d. Internal labor resources were utilized to perform the work scope.  Impact: There is no impact to any other activities outside of this account.  Corrective Action : No corrective actions planned. This is a favorable variance. 5.03.01.02.07 Software Maintenance and Support $1,463k  Cause: The CTD CV is primarily due to labor and subcontract resource efficiencies. • Labor: Junior Chemical Engineers were utilized to accomplish the planned work scope, with an actual hourly rate that is le ss than the Chemical Engineer hourly rate utilized for planning ($72/hr actual effective rate vs $77/hour planning rate). • Subcontracts: Between Apr 15 and Jul 15, management assessments and dynamic model evaluations were performed. These activ ities were originally planned to be performed via subcontract. However, it was determined that internal resources had the knowledge and expertise to accomplish this work scope. Significant efficiencies were realized through the use of available internal labor instead of the more costly subcontracts.  Impact: There is no impact to any other activities outside of this account.  Corrective Action : No corrective actions planned. This is a favorable variance. October 2018 - FY 2019 89

  87. Mission Integration Cumu Cumula lativ tive e to to Da Date te Var arianc iances es Schedule Nothing to Report. October 2018 - FY 2019 90

  88. Mission Integration FY FY 2019 2019 Key ey Deliv Deliver erables bles FY 2019 Key Deliverables Target Forecast Complete ILAW Transporter System Design. Prepare a final ILAW Transporter System design package – PBI-51.0.2 Q3 JUN 2019 Submit the RPP System Plan Selected Scenarios document – PBI-51.01 Q4 SEP 2019 Issue DFLAW Secondary Waste Technical Assessment Report – PBI-51.03 Q4 SEP 2019 Submit the 3 volumes of the IWFDP incorporating TSCR and WFD to WTP from AP Farm – PBI-51.04 Q4 SEP 2019 Submit the DFLAW: First Feed Flowsheet incorporating LAW pretreatment in the TSCR system – PBI-51.0.5 Q4 SEP 2019 Submit the RPP Integrated Flowsheet incorporating TSCR and WFD to WTP from AP Farm – PBI-51.06 Q4 SEP 2019 Submit the Integrated DFLAW Feed Qualification Program Description including TSCR & WFD to WTP – PBI-51.0.7 Q4 SEP 2019 Complete final versions of the PCP and Waste Compatibility Analysis for repurposing AP-106 – PBI-51.0.8 Q4 SEP 2019 October 2018 - FY 2019 91

  89. Mission Integration Con Contr trac act Chan t Change ges s Estimated Contract Changes Assigned Date Tech Lead Target Completion Current Status Impact ($M) Nothing to report. October 2018 - FY 2019 92

  90. Mission Integration BCR BCR Sta Statu tus s BCR#/Description Level Assigned Date CAM Target Completion Estimated Impact Current Status RPP-19-024/Waste Feed Delivery 3 10/15/2018 S. Wagnon 6-Nov-18 $0 BCR to be implemented November 2018 Vol. 1, 2 & 3 - Convert PP to WP October 2018 - FY 2019 93

  91. Production Operations October 2018 - FY 2019 EV Team completing the 242A Aerosol Testing. Sheet metal workers competing the EV Team completing assembly of HVAC ducting the PB-1 refurbishment tent. for the 242-A tent to refurbish PB-1. Carpenters repairing the 242-A roof leak. Cleaning Raw Water Fan Inspection Removing Oilers Replacing Valve 1-9 Strainers F-H-3

  92. Production Operations CM Schedule Performance Overview CM Schedule Variance -$85k 5.1.3.3 – 222-S Laboratory Facility Option Period 2-3 -$189k Cause: Performance was not taken in error on several service agreement contracts in October. Contracts affected; Perkin Elmer ($210k), Malvern ($8k), Markes ($7k), and Horiba ($20k). Impact: No impact to critical path or other control accounts. This will result in a one month delay on performance. A favorable SV is anticipated in November when performance is realized. Corrective Action: No corrective actions required. October 2018 - FY 2019 95

  93. Production Operations CTD Schedule Performance Overview CTD Schedule Variance -$1,050k 5.1.2.2 – Tank Waste Volume Management -$648k Cause: (1) DST to DST Transfer 18DT07, 18DT08 & 18DT09 -$463k – The transfer schedule has been impacted by a number of events such as the AP-02A jumper repair, AP-02D pump removal, and PB-1 pump failure. As a result, the DST to DST transfers have been delayed and re-sequenced. 18DT07 is the next transfer to be performed and is currently forecast for February 2019. UX-302A Catch Tank Pumping, -$169k – schedule delayed by four months due to the tank not being as full as anticipated at this time. Delaying the pumping until the 1 st Quarter of FY19 due to lower than (2) expected liquid level. Imp act: (1) There is no impact to other Control Accounts. (2) No impact to critical path or other control accounts. Schedule has been delayed by five months. Schedule recovery planned in November 2018. Corrective Action: (1) The Transfer schedule has been re-sequenced to implement the AP-02A jumper repair, AP-02D pump removal, and PB-1 pump failure impacts. (2) No corrective actions required. 5.1.3.3 – 222-S Laboratory Facility Option Period 2 -$398k Cause: 222-S Analytical Equip Service Agreements-OP 2-3 , -$277k – Performance was not taken in error on several service agreement contracts in October. Contracts affected; Perkin Elmer ($210k), Malvern ($8k), Markes ($7k), and Horiba ($20k). Impact: No impact to critical path or other control accounts. This will result in a one month delay on performance. A favorable SV is anticipated in November when performance is realized. Corrective Action: No corrective actions required. October 2018 - FY 2019 96

  94. Production Operations CTD Schedule Projection FY18 Carryover Scope: -$965k FYTD SV Scope: -$85k • • UX-302A Catch Tank Pumping, -$169k; Schedule recovery in November 2018 222-S Analytical Equip Service Agreements-OP 2-3, -$267k • • 222-S HVAC Upgrades Turnover, -$28k; Schedule recovery in November 2018 222-S Air Gap for Potable Water, -$37k • • 222-SL Cold Lab Alternatives Analysis, -$23k; Schedule recovery in November 2018 242-A Evaporator – PB-1 Pump Refurbishment & Removal, -$34k • 242-A Evaporator – PB-1 Pump Refurbishment, -$12k; Schedule recovery in November 2018 • Field Lysimeter Test Facility, -$59k; Schedule recovery in December 2018 • Installation – Inductively Coupled Plasma/Mass Spec (ICP/MS), -$56k; Schedule recovery in January 2019 • Three DST to DST Transfers, -$463k; Schedule recovery in April 2019 • External Transfer, -$16k; Schedule recovery in June 2019 October 2018 - FY 2019 97

  95. Production Operations CM Cost Performance Overview CM Cost Variance - $485k 5.1.2.6 – Effluent Treatment Facility -$486k Cause: Significant labor usage variance due to additional resource requirements to Tank Integrity Assessments, RCRA Tank Inspections, maintenance of the Vessel Vent System and Thin Film Dryer (primarily Electricians C020, NCOs R051, and HPTs T050). The facility incurred additional overtime costs to develop electrical PMs in relation to a PER finding. Impact: No impact to other control accounts. Corrective Action: No corrective actions required. 5.1.3.3 – 222-S Laboratory Facility Option Period 2 -$221k Cause: 222-S Analytical Equip Service Agreements-OP 2-3, -$236k – Service contracts were paid without performance taken which produced an unfavorable cost variance for the current month. Contracts affected; Perkin Elmer ($210k), Malvern ($8k), Markes ($7k), and Horiba ($20k). Impact: No impact to other control accounts. Performance will be corrected in the November reporting period. Corrective Action: No corrective actions required. 5.1.2.3 – 242-A Evaporator $228k Cause : Labor efficiency due to resources being allocated to the PB-1 Refurbishment work. Impact : No impact to other control accounts. Corrective Action : No corrective actions required. October 2018 - FY 2019 98

  96. Production Operations CTD Cost Performance Overview CTD Cost Variance $16,987k 5.1.1.11 – Base Operations East Area Farms $12,105k (LOE Control Accounts) 5.1.3.1 – 222-S Laboratory Facility $6,158k (LOE Control Accounts) 5.1.1.12 – Base Operations West Area Farms $4,473k (LOE Control Accounts) 5.1.3.3 – 222-S Laboratory Facility Option Period 2-3 $1,429k (LOE Control Accounts) Cause: (1) FY14, $6,839k – Labor usage efficiencies in the various LOE control account impacted by Continuing Resolution and unfilled vacant positions. (2) FY15, $1,507k – Year-End Labor and Overhead Allocations pass back. (3) FY16, $571k – Year-End Labor and Overhead Allocations pass back and efficiencies experienced in prior years were minimal in FY16 and did not continue. (4) FY17, $5,035k – Primarily due to Labor usage efficiencies realized due to Facility Closure days “R” time in December (3 -days), January (10-days), and February (5- days) for a total of 18 days, with the additional 2 days of “R” Time in May associated with the PUREX incident, vacancies and an increase in taking vacation during July. Additionally, labor rate variances are being realized within multiple disciplines within the LOE control accounts. This was partially off-set by an unfavorable fiscal year-end variance distribution of -$796k in September 2017. (5) FY18, $1,311k – Primarily due to the implementation of Baseline Change Request (BCR) RPP-18-172 which implemented the finalized negotiated Request for Equitable Adjustment (REA) for Vapor Impacts on Double-Shell Tank DST Work Scope and Execution, however it has been offset by the FY2018 year-end labor rate variance distribution pass back from the indirect pool due to the base value for liquidation application being larger than originally anticipated for FY2018. Impact: (1) – (3) No impact to other control accounts. The EACs were favorably impacted by Continuing Resolutions and vacancies from prior years. (4) No impact to other control accounts. The EAC was favorably impacted by the 20 days of “R” time realized and is not anticipated to continue. (5) No impact to other control accounts. Corrective Action: (1) – (3) Several vacant positions were filled in FY15 and FY16. The FY17 budget was modified to reflect the anticipated support required for the year. (4) No corrective action required. The G&A under allocation due to the 18 days of “R” time was implemented in April via BCR RPP -17-102. (5) No corrective action required. 5.1.1.6 – Solid Waste Management $5,096k (LOE Control Accounts) Cause: (1) FY14 to FY16, $6,246k – Prior year efficiencies due to this account being dependent upon the levels of waste generated and received from Operations, Projects, and Retrieval field activities. When waste is received by the treatment facilities, they have up-to 12 months to process, which caused monthly fluctuations for invoices received. Additionally, the full implementation of the Reusable Contaminated Equipment (RCE) Program was impacted due to CR in FY14. Further impacted in FY15 with the vacant planner position and re-assignment of two HPTs and three NCOs to support the Farm during the first half of the year. The BAC was modified for FY17 to reflect the planned field execution strategy. (2) FY17, $1,143k – Labor, Material, and Subcontractor usage efficiencies due to this account being dependent upon the levels of waste generated and received from Operations, Projects, and Retrieval field activities. Field work in the first four months of FY17 has been impacted by Continuing Resolution and Facility Closure days “R” time in December (3 -days), January (10-days), and February (5-days) for a total of 18 days, with the additional 2 days of “R” Time in May associated with the PUREX incident. (3) FY18, -$2,207k – Labor usage inefficiencies to support RCE field activities and Subcontractor usage inefficiencies with the increase in shipments to offsite treatment and disposal. Additional unfavorable variance due to the FY2018 year-end labor rate variance distribution pass back from the indirect pool due to the base value for liquidation application being larger than originally anticipated for FY2018. Impact: (1) No impact to other control accounts. The EAC was favorably impacted in prior years and has been updated to reflect the expected waste shipments from the field, treatment and disposal schedules from the treatment facilities, and staffing needs for FY17. (2) No impact to other control accounts. The EAC was favorably impacted by the 20 days of “R” time realized and is not anticipated to continue. (3) No impact to other control accounts. The EAC was unfavorably impacted in the first half of FY18 and is not anticipated to continue. Monthly fluctuations will occur within these LOE accounts. Corrective Action: (1) No corrective action required. The FY16 Budget was modified to reflect the reduced RCE Program and planned waste shipments from the field and treatment and disposal costs. The FY17 BAC was also modified to reflect the planned field execution strategy. This will mitigate further growth to the CTD variance. (2) No corrective action required. The G&A under allocation due to the 18 days of “R” time was implemented in April via BCR RPP -17-102. (3) No corrective action required. This LOE control account will realize monthly fluctuations. October 2018 - FY 2019 99

  97. Production Operations CTD Cost Performance Overview CTD Cost Variance $16,987k (cont’d) 5.1.1.13 – Base Operations Support/Special Projects -$13,939k (LOE Control Accounts) Cause: (1) Production Operations Support Services, -$12,766k – labor and subcontractor usage inefficiencies due to: a. TF-AOP-015 Response to Reported Odors or Unexpected Changes to Vapor Conditions in FY14. As a result, this control account has realized an increase in respiratory equipment procurements; consumables; deployment of heat stress modules, Hanford Fire Department SCBA support, Crane and Rigging readiness-to-serve and NCO resources to man the Mask Issue Stations. b. When Maintenance work scope was a part of Base Operations in FY14-FY16 the maintenance craft training and safety meeting time was not adequately budgeted resulting in an unfavorable labor usage variance. (2) Production Operations Central Shift Office, -$1,689k – labor usage inefficiencies due to: a. Increased costs associated with round-the-clock valve pit temperature monitoring effective October 1, 2014 through March 31, 2015 set forth in procedure TO-040-790 Revision 8 , Tank Farm Plant Operating Procedure & Operations and training during Red Arrow in FY15 Q1. b. Labor usage inefficiencies, NCOs within the Shift Operations Office due to delays associated with equipment failures and ability to perform Evaporator Campaigns and associated transfers. When NCOs are not assigned to support discrete scope, they are assigned to support the manning and training for the Shift Relief Team and obtain their multi-certification requirements. Additionally, 12 NCOs were brought on board in January 2016 and charged their first three weeks of training to this account prior to being reassigned to the Farm Teams in February 2016. Impact: (1) – (2) No impact to other control accounts. The EAC has been unfavorably impacted with the increase in costs and has been updated to reflect the anticipated costs through FY18. Corrective Action : (1) a. Total FY15 Vapor cost impacts are unrecoverable as they were not adequately accounted for in Contract Modification 373 which definitized Vapor Impacts for FY15, as the FY15 Request for Equitable Adjustment (REA) negotiated FY15 Q3/Q4 costs using the Chemical Vapors impacts for FY15 Q1/Q2 proposal (CP-15-032) as a basis; vapor impacts were underrepresented during FY15 Q1/Q2 for this account. FY16 cost impacts due to vapor issues addressed via Baseline Change Request RPP-16-179 which implemented Contract Modification 386 for FY16 Chemical Vapor Impacts. b. No corrective action required. The Maintenance work scope has been removed from Production Operations and the previous impacts are unrecoverable. (2) a. The FY16 and FY17 Budgets were modified to include the costs for the round-the-clock valve pit temperature monitoring from October – March. b. No corrective action required. When discrete scope is performed, this account will realize a reduced utilization and will fluctuate monthly mitigating the cost variance. 5.1.2.6 – Effluent Treatment Facility -$3,001k (LOE Control Accounts) Cause: (1) FY17, $725k – labor and non-labor usage inefficiencies. (2) FY18, -$3,448k – labor usage inefficiencies due to very high labor demands and borrowed resources during the repair/replacement & troubleshooting of facility issues before the ETF could resume processing operations. Example Issues include: LERF 44 Basin Pump Replacement, Failures of Thin Film Dryer Mechanical Seal and Valve, UV/OX Corrective Maintenance, RCRA Tank Inspections (fall protection/independent evaluations/camera equipment), Thin Film Dryer Boiler Failure, Cooling Water Pump Replacement, and testing/maintenance of Polish System. As well as WRPS receiving an unfavorable year-end labor rate variance distribution pass back of -$232k from the indirect pool due to the base value for liquidation application was larger than originally anticipated for FY2018. This is one-time cost incurred at the end of the fiscal year to liquidate the indirect pool. (3) FY2019 -486k – labor usage inefficiencies due to additional resource requirements to Tank Integrity Assessments, RCRA Tank Inspections, maintenance of the Vessel Vent System and Thin Film Dryer (primarily Electricians C020, NCOs R051, and HPTs T050). As well the facility incurred additional overtime costs to develop electrical PMs in relation to a PER finding. Combined with miscellaneous labor usage over expectations in relation to prepping for facility restart drove this unfavorable delta. Impact : (1) – (3) No Impact to other control accounts. Corrective Action: (1) – (3) No corrective action required. October 2018 - FY 2019 100

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