Regional Service Through Unity… Meeting our Region’s Needs Today and Tomorrow WASTEWATER COMMITTEE MEETING April 11, 2019
CLICK TO EDIT MASTER TITLE STYLE AGENDA Opening Remarks A. Executive Director/Committee Champion Status Report concerning legislation and regulatory matters, budgets, current projects and ongoing Wastewater System programs of the District 2
EXECUTIVE DIRECTOR/COMMITTEE CHAMPION STATUS REPORT • Wilson Creek RWWTP Regulatory Update • Response to question regarding industry data for percent operating capacity • System overview for Upper East Fork Interceptor System, Rowlett Creek RWWTP, Wilson Creek RWWTP, and Sister Grove RWRRF 3
• 2008-2017 (3949 submissions) • Plant capacities > 1 mgd • 0-5 Water Quality Violations 95% of plants with 0-5 WQ violations are running at less than 90% capacity; with most between 40-80% 4
• 2008-2017 (888 submissions) • Plant capacities > 50 mgd • 0-5 Water Quality Violations 97% of plants with 0-5 WQ violations are running at less than 90% capacity; with most between 40-80% 5
SYSTEM OVERVIEW Population served 2 3 WWTPs 12 Communities 2015: 675,000 2040: 1,100,000 > 1,000,000 LF of piping ~500 connections 2070: up to 1,800,000 Sister Grove RWRRF Wilson Creek RWWTP Rowlett Creek RWWTP 6
System Overview FY 19 No. O&M Department Avg. Capacity O&M Communities Served Positions Budget 56 mgd Wilson Creek (being expanded 62 $19.2M RWWTP to 64 mgd). No plans to expand. 24 mgd. Allen, Anna, Fairview, Rowlett Creek No plans to Frisco, Lucas, McKinney, 26 $8.4M RWWTP expand average Melissa, Parker, Plano, capacity. Princeton, Prosper, Richardson 16 mgd phases To be phased Sister Grove (2023), up to in, beginning NA RWRRF 128 mgd in FY21 Upper East Fork IS NA 19 $12.3M 7
CLICK TO EDIT MASTER TITLE STYLE AGENDA Rearrange agenda to discuss item IV. A. prior to the action items. Discussion Items A. Update on Sister Grove Regional Water Resource Recovery Facility 8
SISTER GROVE WATER RESOURCE RECOVERY FACILITY UPDATE Agenda • Project History • Recommendation on Construction Schedule • Cost Update • Permitting Update 9
SISTER GROVE REGIONAL WATER RESOURCE RECOVERY FACILITY Project History • March 2016 - Board authorized regional wastewater treatment plant conceptual design to develop strategies to meet region’s growth needs through 2070 • December 2017 - Board authorized purchase of land • January 2018 - Preliminary Design awarded • May 2018 - TCEQ Discharge Permit application submitted • April 2019 - requesting approval for Phase I final design – 16 MGD • April 2019 - requesting approval for CMAR procurement 10
DECISIONS / APPROVALS NEEDED FOR WASTEWATER CIP 11
SISTER GROVE WATER RESOURCE RECOVERY FACILITY UPDATE FACILITYASTEWATER CIP • Construct Phase I as planned 16 MGD and use Construction Manager At-Risk (CMAR) delivery method to expedite schedule • Reduce overall schedule to allow 32 MGD to be in place earlier than currently planned - Begin design of Phase II of Sister Grove RWRRF in 2020 to 90% level • Monitor population, flows and plant performance • Phase II construction can be awarded in 2023 for completion by 2024 or delayed • Site lay-out results in minimal impact to plant operations due to expansions • Phase II construction time will be shorter • Construct peak flow basins for beyond 32 MGD treatment capacity in Phase I – Schedule UEFIS projects accordingly to divert flow to Sister Grove RWRRF including constructing both transfer force mains from Wilson Creek Lift Station and North McKinney Lift Station • Use Clean Water State Revolving Funds (CWSRF) for PH I and II plant, not Pipelines 12
SISTER GROVE COST UPDATE Summary of Cost Changes to Sister Grove RWRRF Phase I and Associated UEFIS Conveyance Projects Land Plant and UEFIS Total for 16 $ Millions Cost Effluent Projects mgd Nov 2017 $19 $190 $148 $357 WW Committee Feb 2019 CIP $19 $272 $111 $403 Sister Grove Plant Cost increases from Nov 2017 to Feb 2019 ; • All Design costs added for Plant and Discharge Structure • 3% inflation • Preliminary design at 20% • Selected structures built in initial phase to reduce Phase II Construction costs Headworks, UV, Dewatering, Peak Flow Basins, site and utility work o • Use of Clean Water State Revolving Funds (CWSRF) requirements Buy America, Steel o • CWSRF funding provides cost savings of ~ $50M for Phase I 13
SISTER GROVE PERMITTING UPDATE Sister Grove RWRRF • May 2018 Permit Application Submitted to TCEQ • July 2018 Application Deemed Administratively Complete • Nov-Dec 2019 Anticipated Draft Permit o Delay in Draft Permit by 4 months • April 2019 Expect Draft Permit • Dec 2019 TCEQ issue Permit • Jan/Feb 2020 Last opportunity to file Motion to overturn ends • Anticipated Permit moved from Sept 2019 – Jan/Feb 2020 • Bi-monthly engagement with TCEQ 14
Agenda AGENDA Action Items A. Consider recommendation on authorizing execution of Engineering Services Agreement with CDM Smith, Inc., on Project No. 301-0426-16, Sister Grove Regional Water Resource Recovery Facility 15
SISTER GROVE REGIONAL WRRF – FINAL ENGINEERING Phase I – 16 MGD AADF with P2HF of 64 MGD by April 2023 BASIC SERVICES • Site plans • Hydraulics • Treatment Facilities o Solids o Liquids o Disinfection • Electrical and Instrumentation for all facilities • Operations Building and Maintenance Building • Procurement services • Services during construction • Route analysis for the effluent outfall pipeline 16
SISTER GROVE REGIONAL WRRF – FINAL ENGINEERING Phase I – 16 MGD AADF with P2HF of 64 MGD by April 2023 SPECIAL SERVICES • Permitting TCEQ Air Quality o Clean Water Act 404 o Environmental for TWDB funding o • Landscape design • Surveying and geotechnical • Resident engineer services • CMAR procurement and coordination • Operation and Maintenance Manual 17
Site Plan for Full Build Out 18
Phase 1 Structures sized to facilitate Phase 2 construction • Headworks Building • Blower Building • Dewatering Building • Operations Building • Storage Building • Primary/Secondary Sludge Pump Stations • Sludge Storage Tanks • Electrical Service Area • All Electrical Rooms • Effluent Flume • Equalization Basin 19
SISTER GROVE REGIONAL WRRF – FINAL ENGINEERING Engineering Fee • Approximately 1,100 design sheets and 1,600 submittal reviews during construction • Preliminary OPCC - $198.5M (plant only) • Engineering Services Fee - $17,492,360 o Basic Services - $13,331,742 • Plant Final Design $10,641,111 • Plant Services During Construction $ 2,246,313 • Preliminary Outfall Design $ 444,318 o Special Services - $4,160,618 20
Agenda RECOMMENDATION Consultant: CDM Smith, Inc. Scope: Final Engineering Design Project: No. 301-0426-16, Sister Grove Regional Water Resource Recovery Facility Amount: $17,492,360 21
Agenda AGENDA Action Items B. Consider on adoption of a Resolution authorizing use of Construction Manager At-Risk delivery method under Texas Government Code, Chapter 2269, Project No. 301-0426-16, Sister Grove Regional Water Resource Recovery Facility 22
Agenda CONSTRUCTION MANAGER AT-RISK (CMAR) • Why CMAR approach? o Complexity of project o Management of funding o In-service date for needed capacity • Technical benefits of CMAR o Contractor input on constructability and value engineering o Procurement - equipment supplier and subcontractor relationships o Risk management o Scheduling 23
Agenda CONSTRUCTION MANAGER AT-RISK (CMAR) • Selection is based on best value – Qualifications and Price • Criteria for Qualifications o Company experience including experience of personnel o Similar projects - type and magnitude o Safety record o History of being on time and on budget o History of working for the NTMWD • Price o Preconstruction and Procurement Services o Percentage for General Conditions, Contingency and Construction Management Fees 24
Agenda RECOMMENDATION Recommend the Board of Directors adopt a Resolution authorizing use of Construction Manager At-Risk delivery method under Texas Government Code, Chapter 2269 for Phase I of the Sister Grove Regional Water Resource Recovery Facility. 25
CLICK TO EDIT MASTER TITLE STYLE AGENDA Discussion Items A. Update on Sister Grove Regional Water Resource Recovery Facility Discussed earlier in the agenda 26
Agenda AGENDA Discussion Items B. Opportunity for Committee Members to Provide Feedback on Wastewater Committee Meeting 27
CLICK TO EDIT MASTER TITLE STYLE AGENDA Discussion Items C. Opportunity for Committee Members to Request Potential Future Agenda Items (No substantive discussion of items will take place at this time) Adjournment 28
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