NTMWD BOARD MEETING June 27, 2019 The Pledge of Allegiance to the - PowerPoint PPT Presentation

Regional Service Through Unity… Meeting our Region’s Needs Today and Tomorrow NTMWD BOARD MEETING June 27, 2019

The Pledge of Allegiance to the Flag of the United States of America "I pledge allegiance to the Flag of the United States of America, and to the Republic for which it stands, one Nation under God, indivisible, with liberty and justice for all." The Pledge of Allegiance to the Texas State Flag "Honor the Texas flag; I pledge allegiance to thee, Texas, one state under God, one and indivisible."

OATH OF OFFICE I , (state name) , do solemnly swear that I will faithfully execute the duties of the office of Board Member of the North Texas Municipal Water District appointed by the City of ( state city) , of the State of Texas, and will to the best of my ability preserve, protect, and defend the Constitution and laws of the United States and of this State, so help me God. 4

WETLANDS DIVERSION SIGNAGE • Installed June 14, 2019 • Easily visible from HWY 175 • Gives our reuse efforts greater visibility to the public • Highlights our partnership with the John Bunker Sands Wetland Center 8

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MCKINNEY LIFT STATION IMPROVEMENTS Background • Originally constructed in 1986 and serves the cities of Anna, Fairview, McKinney, Melissa, Princeton, and Prosper • Conveys flow directly into Wilson Creek RWWTP (Firm Capacity 30 MGD) • Current growth projections identified the need for an 82 MGD lift station–ultimate capacity • Evaluation recommended a new lift station • Limited expansion capacity in current configuration • Additional cost of expansion and rehabilitation option • Complexity of operation and maintenance of two lift stations 19

MCKINNEY LIFT STATION IMPROVEMENTS Project Scope • Initial capacity of 62 MGD, with expansion capability to 82 MGD • Five pumps + a slot for one future pump • Includes: • New 42-inch force main into Wilson Creek RWWTP • Back-up generator • Odor control system • Alternate bid: • Two adjustable frequency drives in lieu of soft starters • Demolition of existing McKinney Lift Station 20

MCKINNEY LIFT STATION IMPROVEMENTS Tabulation of Bids Bid Bidder Base Bid Total Bid Recommendation Alternates Archer Western Lowest responsible bidder $24,516,625 $435,000 $24,951,625 Construction, LLC Recommended for Award BAR Constructors, Inc. $25,098,850 $437,500 $25,536,350 Flatiron Constructors, Inc. $26,679,629 $450,000 $27,129,629 PLW Waterworks, LLC $28,630,000 $723,000 $29,353,000 Oscar Renda Contracting, $29,863,000 $632,000 $30,495,000 Inc. ASI Construction, LLC $31,908,000 $900,000 $32,808,000 Engineer’s Opinion of Probable Construction $29,948,000 $754,000 $30,702,000 Cost 21

BOARD OF DIRECTORS – DISCUSSION ITEM A. NTMWD energy reliability update 23

Regional Service Through Unity… Meeting our Region’s Needs Today and Tomorrow NTMWD ENERGY RELIABILITY Scott Puckett June 27, 2019 24

CLICK TO EDIT MASTER TITLE STYLE ENERGY PROGRAM GOALS Maximize Financial Predictability Minimize Price Volatility Achieve Lowest Practical Rates Supply Side Demand Side 25

NTMWD ENERGY MANAGEMENT TEAM Energy Team Internal Team Valuation Team Scott Puckett Joe Stankiewicz Energy Program Retail Electric Deputy Director Manager Providers Energy External Team Consultants Attorneys 26

CURRENT TX POWER MARKET (ERCOT) – RESERVE MARGINS Source: Calpine 27

ERCOT - ENERGY EMERGENCY ALERT (EEA) LEVELS EEA 1 EEA 2 EEA 3 PRC<2,300 MW; PRC<1,750 MW; PRC<1,375 MW >30 mins >30 mins • Implement any measures not • Order all resources • Deploy ERS already being online 10-minute demand used response • Request DC-Tie emergency imports • Deploy Load Resources EEA 3 • Deploy Emergency PRC<1,000 MW; Response Service • Request TDSP (ERS) 30-minute Load Management >30 mins demand response • Implement load • Request TDSP shed to match • Release generation Voltage Reduction generation to load Responsive • Issue conservation and bring PRC Reserves appeal above 1,000 MW PRC: Physical Responsive Capacity Source: Direct Energy 28

BACKUP GENERATOR - SOUTH MESQUITE WWTP 29

KEY CONSIDERATIONS NTMWD Wylie Plant • Rotating outages are issued on the Distribution system only Most Recent Issued Outage – August 2011 • Transmission voltage is not subject to rotating outages Includes critical load industrial customers • Most district facilities have one of the following: Dual feeds from the utility On-site back-up generation Both Dual feeds and back-up generation 30

BOARD OF DIRECTORS – DISCUSSION ITEM B. Main Stem Pump Station project update 31

MAIN STEM PUMP STATION PROJECT PURPOSE AND DRIVERS • Supplement NTMWD’s raw water supply by withdrawing permitted flows from the Main Stem of the Trinity River and processing water through the wetlands to Lake Lavon. • Drivers: • Capacity • Redundancy/Resiliency 32

MAIN STEM PUMP STATION PROJECT STATUS • CMAR: Garney Companies, Inc. • Funding • Guaranteed Maximum Price: $102,796,737 • Allocated To-Date: $96,887,121 • Earned To-Date: $92,752,824 • Schedule • Construction Start: May 2015 • Original Completion: December 30, 2018 • Substantial Completion: May 2019 • Estimated Completion: October 2019 33

MAIN STEM PUMP STATION PROJECT STATUS Major Components: • Diversion weir box o Completed • Transmission Pipeline o 86,702 LF of 72-inch completed • Conveyance Pump Station o Pump testing o Coordination with USACE prior to pump testing • MSPS o Heavy mechanical and support systems (HVAC, etc.) completed o Sustained high water level delaying river intake work o Install temporary screens to commence pump testing 34

MAIN STEM PUMP STATION PROJECT STATUS Pump Station Pump Station November 16, 2018 March 5, 2018 35

MAIN STEM PUMP STATION PROJECT STATUS Pump Dry Well 36

MAIN STEM PUMP STATION PROJECT STATUS Forebay 37

MAIN STEM PUMP STATION PROJECT STATUS Cofferdam November 16, 2018 38

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MAIN STEM PUMP STATION PROJECT STATUS Rosser Gauge 40

MAIN STEM PUMP STATION PROJECT STATUS Summary: • Substantially complete • Individual pump testing (2 to 3 weeks) o Conveyance o MSPS • Full 30-day operational testing o Install permanent screens o Start Mid- to late-July • Repair of first intake • Final completion 41

BOARD OF DIRECTORS – DISCUSSION ITEM C. Bois d’Arc Lake Project 1. Construction Update 43

Regional Service Through Unity… Meeting our Region’s Needs Today and Tomorrow RWPS Intake Tower Service Spillway Labyrinth Weir BOIS d’ARC LAKE UPDATE NTMWD Board Meeting June 27, 2019 Cesar Baptista, P.E. Assistant Deputy of Engineering 44

BOIS d’ARC LAKE UPDATE CLICK T TO EDIT T MASTER TER T TITLE E ST STYLE AGENDA • CMAR 3 – Leonard Water Treatment Plant and Raw Water & High Service Pump Stations • Update and construction pictures • HSPS procurement update (Executive Session) • CMAR 4 – FM 897 & County Roads • Lake Operations Center and Boat Ramps procurement update • Program Financial Status

BOIS d’ARC LAKE UPDATE CLICK T TO EDIT T MASTER TER T TITLE E ST STYLE CMAR 3 – Raw Water Pump Station • Access road to the pump station site has been completed • Rock anchor installation is complete • Reinforced concrete floor slabs being poured • Started forming walls • Preparation of discharge pipe trenches

BOIS d’ARC LAKE CONSTRUCTION PHOTOS CLICK T TO EDIT T MASTER TER T TITLE E ST STYLE CMAR 3 – Garney (Raw Water Pump Station) CMAR 3 – Garney – Floor Slab Pour Preparation

BOIS d’ARC LAKE CONSTRUCTION PHOTOS CLICK T TO EDIT T MASTER TER T TITLE E ST STYLE CMAR 3 – Garney (Raw Water Pump Station) CMAR 3 – Garney – Alcove Slab Pour

BOIS d’ARC LAKE CONSTRUCTION PHOTOS CLICK T TO EDIT T MASTER TER T TITLE E ST STYLE CMAR 3 – Garney (Raw Water Pump Station) CMAR 3 – Garney – 90-inch Discharge Pipe Trench

BOIS d’ARC LAKE UPDATE CLICK T TO EDIT T MASTER TER T TITLE E ST STYLE CMAR 3 – Leonard Water Treatment Plant • Mass excavation and embankment construction at sludge lagoons and reclaimed water basins • Pre-cast concrete tank sub-contractor mobilized on site • Facility foundation and structure construction on-going for the Operations Building and filter structures • All rock anchors for clearwell are complete • Site piping on-going for facilities

BOIS d’ARC LAKE UPDATE CLICK T TO EDIT T MASTER TER T TITLE E ST STYLE CMAR 3 – Leonard High Service Pump Station • Design is near completion and bid packages are out • CMAR continues contractor outreach • Bids received for HSPS structural package • To be discussed during Executive Session

BOIS d’ARC LAKE CONSTRUCTION PHOTOS CLICK T TO EDIT T MASTER TER T TITLE E ST STYLE CMAR 3 – Garney (Leonard Water Treatment Plant) Operations Building Slab Preparation