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North Texas Municipal Water District · sale in April 2016 – Bond sale for ... • Manufacturing...
Transcript of North Texas Municipal Water District · sale in April 2016 – Bond sale for ... • Manufacturing...
North Texas Municipal Water District“Regional Service Through Unity …
Meeting our Region’s Needs Today and Tomorrow”
Water Committee MeetingMay 26, 2016
I. CALL TO ORDER
II. ACTION ITEMS
A. Consider Approval of Water Committee Meeting Minutes – April 18, 2016B. TABLED ITEM: Consider Recommendation on Authorizing Execution of Contract
Amendment to the Construction Manager At-Risk Agreement and AuthorizingGuaranteed Maximum Price for Project No. 269, Trinity River Main Stem Pump Stationand Raw Water Pipeline
C. Consider Recommendation on Authorizing Implementation of Operational Scenariosto Reduce Evaporative Loss at the East Fork Raw Water Supply Project (Wetland)(Please refer to Administrative Memorandum No. 4656)
D. Consider Recommendation on Adoption of Resolution No. 16-26 Authorizing Filing ofWater Use Amendment Application Regarding Overdrafting Lake Lavon for the EastFork Wetland Project When Water Cannot Be Pumped to Lake Lavon(Please refer to Administrative Memorandum No. 4654)
E. Consider Recommendation on Adoption of Resolution No. 16-25 Authorizing Filing of Temporary Water Use Permit Application Regarding Overdrafting Lake Lavon for Three-Year Period (Please refer to Administrative Memorandum No. 4653)
Agenda
F. Consider Recommendation on Adoption of Resolution No. 16-27 Authorizing Filing of Amendment to Water Right Regarding Overdrafting Lake Lavon in Lieu of Transporting Water from Lake Texoma or Chapman Lake (Please refer to Administrative Memorandum No. 4655)
G. Consider Authorizing Reallocation of Funding for Construction Manager At-Risk Construction Services on Project No. 269, Trinity River Main Stem Pump Station and Raw Water Pipeline(Please refer to Administrative Memorandum No. 4671)
III. DISCUSSION ITEMS
A. Update on Able Springs Emergency Connection authorized in October 2014B. Discuss Property Right Matters Related to the East Fork Raw Water Supply Project
(Wetland)C. Update on Alternatives for Main Stem Pump StationD. Update on Accessing Lake Fork Water Rights and Potential OptionsE. Update on Lower Bois d’Arc Creek Permitting and HGM ModelF. Update on Wylie Water Treatment Plan Regulatory MattersG. Opportunity for Committee Members to Request Potential Future Agenda Items
(No substantive discussion of items will take place at this time)
IV. ADJOURNMENT
Agenda
II. ACTION ITEMS
A. Consider Approval of Water Committee Meeting Minutes – April 18, 2016
Recommend Approval of Water Committee Meeting Minutes of April 18, 2016
Agenda
II. ACTION ITEMS
B. TABLED ITEM: Consider Recommendation on Authorizing Execution of Contract Amendment to the Construction Manager At‐Risk Agreement and Authorizing Guaranteed Maximum Price for Project No. 269, Trinity River Main Stem Pump Station and Raw Water Pipeline
Recommend tabling until next Water Committee Meeting
Agenda
II. ACTION ITEMS
C. Consider Recommendation on Authorizing Implementation of Operational Scenarios to Reduce Evaporative Loss at the East Fork Raw Water Supply Project (Wetland) (Please refer to Administrative Memorandum No. 4656)
Agenda
• Wetlands were Designed to Treat 91 mgd: Currently Treating Less than 35‐40 mgd on Average (East Fork Water)
• Negotiations are Ongoing for Treating Additional Main Stem Water in Wetlands
• NTMWD Has Operational Flexibility
Executive Director and Staff Recommend authorizing Implementation of Operational Scenarios to Reduce Evaporative Loss at the East Fork Raw Water Supply Project (Wetland)
Wetlands Operation
II. ACTION ITEMS
D. Consider Recommendation on Adoption of ResolutionNo. 16‐26 Authorizing Filing of Water Use AmendmentApplication Regarding Overdrafting Lake Lavon for theEast Fork Wetland Project When Water Cannot BePumped to Lake Lavon
(Please refer to Administrative Memorandum No. 4654)
Agenda
• East Fork Water Rights Tied to Daily WWTP Discharges• USACE Operational Protocol for Lake Lavon Preclude Moving East Fork Water when Lavon in Flood Stage
• Water Right Application Seeks Rights to Account for Water Used Against East Fork Water Right when Lavon in Flood Pool (Above Elev. 492’)
• Staff and Consultants added sources after agenda was posted
East Fork Spill Credit
“Recommend to the Board of Directors tabling the action included on today’s Board agenda (May 26, 2016) with:• Direction for staff to include additional water supplies in
the water right amendment application, and • Recommend to the Board of Directors adopting a
Resolution at the June 2016 Board Meeting, authorizing the filing of an application with the TCEQ to secure the right to overdraft Lake Lavon whenever:– the elevation of the Lake is above elevation 492’ mean sea level
and water cannot be transported to Lake Lavon from the East Fork Wetland, or
– from the District’s supplies in the Sabine River Basin or – supplies made available through the Main Stem Pump Station.”
East Fork Spill Credit
II. ACTION ITEMS
E. Consider Recommendation on Adoption of Resolution No. 16‐25 Authorizing Filing of Temporary Water Use Permit Application Regarding Overdrafting Lake Lavon for Three‐Year Period
(Please refer to Administrative Memorandum No. 4653)
Agenda
• New Water Supplies are Delayed for a Number of Reasons
• A Temporary Permit May be Granted to Assist with Water Rights
• 3 Years is the Maximum Term TCEQ May Grant• Similar Permit was Granted for Loss of Texoma
Executive Director and Staff Recommend Adoption of Resolution No. 16‐25 Authorizing Filing of Temporary Water Use Permit Application Regarding OverdraftingLake Lavon for Three‐Year Period
3‐Year Temporary Overdraft
II. ACTION ITEMS
F. Consider Recommendation on Adoption of Resolution No. 16-27 Authorizing Filing of Amendment to Water Right Regarding Overdrafting Lake Lavon in Lieu of Transporting Water from Lake Texoma or Chapman Lake
(Please refer to Administrative MemorandumNo. 4655)
Agenda
• NTMWD's Existing Water Rights Permit Overdraft Lavon Under Certain Conditions1) Lavon in Flood Pool & "Spilling“2) Ray Hubbard Above 435.5' & "Spilling"3) Downstream Flows
• USACE Does Not Always Release Flood Waters From Lavon• DWU Does Not Always Allow Water to Rise Above 435.5‘• Idea is to Permit the Claiming of "Spill Credit" on Lavon
Water Elevation Only
Modify Existing Overdraft Rights
Executive Director and Staff Recommend Adoption of Resolution No. 16-27 Authorizing Filing of Amendment to Water Right Regarding Overdrafting Lake Lavon in Lieu of Transporting Water from Lake Texoma or Chapman Lake
Modify Existing Overdraft Rights
II. ACTION ITEMS
G. Consider Authorizing Reallocation of Funding for Construction Manager At‐Risk Construction Services on Project No. 269, Trinity River Main Stem Pump Station and Raw Water Pipeline
(Please refer to Administrative Memorandum No. 4671)
Agenda
MSPS CMAR• April 2015 ‐ Board authorized an initial appropriation of $41 million to
fund the project.
• June and October 2015 ‐ Board authorized execution of contract amendment(s) for procurement, construction packages, and CMAR construction services.
– Maximize use of the $40,120,541 funding available for the project– Purchase of approximately 18 miles of 72‐inch pipe– Construction of weir box within wetlands property
• Balance for the project to be funded upon approval of the GMP and bond sale in April 2016
– Bond sale for MSPS portion was $70,000,000– GMP of $103,500,000– Tabled by the Water Committee
MSPS CMAR• Two major challenges facing the project team
– Manufacturing and delivery of pipes– Keeping CMAR team productive and intact
• Manufacturing and delivery of pipes– Delivery of the pipes scheduled for last week of June 2016– Stopping production can lead to extended delays and additional costs– Ad Memo No. 4671 to reallocate funds to facilitate delivery of pipes on project site– No additional funding required for the project
• Keeping CMAR team productive and intact– Allow the CMAR to construct a new weir box to improve metering – Work is required regardless of wetlands property issue outcome– Work coordinated between Lewis Isaacks and Rosewood Properties– Provides sufficient work for the CMAR team to keep intact
Executive Director and Staff recommend authorizing reallocation of funding for Construction Manager at‐Risk Construction Services for Project No. 269, Trinity River Main Stem Pump Station and Raw Water Pipeline
MSPS CMAR
III. DISCUSSION ITEMS
A. Update on Able Springs Emergency Connection authorized in October 2014
Agenda
• October 2014: Board Authorized an Emergency Interconnect through Able Springs for Private Water Supplier (Aqua Texas)
• Initial Term 6 mos. Additional 6 mos. Optional. (12 mos. Total)
• Emergency Supply Contract Never Executed• April 2015: Aqua Texas Requested Connection Activation• New Well for Aqua Texas is Not Imminent
Able Springs
III. DISCUSSION ITEMS
B. Discuss Property Right Matters Related to the East Fork Raw Water Supply Project (Wetland)
Agenda
III. DISCUSSION ITEMS
C. Update on Alternatives for Main Stem Pump Station
Agenda
Cost / Schedule Summary
Alt Description Schedule Impact Cost Impact
1 Treatment at Main Stem PS (Join at Conveyance PS)
Spring 2019 $46,900,000
2 Deliver to East Fork (Upstream from Wetlands)
Spring 2018 $6,460,000
3 Deliver to Treatment Plant Along Conveyance PL (North of Seagoville Ranch)
Spring 2019 $89,900,000
4 Treat after Water from Wetlands Joins Water from Main Stem
Spring 2019 $114,800,000
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Cost / Schedule Summary
Notes: These are additional costs for each option – the current cost for the Main Stem PS with no changes is $104,000,000. Completion is scheduled for Spring 2018.
AlternativesOption 1 – Treatment at Main Stem PS (Join at Conveyance PS)
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Costs:• MSPS Inlet Box Mods/ Low Lift Pumps ‐
$5,000,000• Chemical Treatment ‐ $9,600,000• MSPS Forebay Mods ‐ $5,000,000• 42 MG Storage at Conveyance PS ‐ $9,100,000• Other Construction ‐ $2,000,000• Contingencies (30%) ‐ $9,300,000• Design (15%) ‐ $6,000,000• Easements ‐ $900,000• Total: $46.9M
Notes: 1. Wetland or Chemical/Wetland Treatment
would cost more.2. Chemical treatment will have substantial
O&M costs (sludge and chemicals).
AlternativesOption 2 – Deliver to East Fork Upstream from Wetlands
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Costs:• Additional Pipeline ‐ $2,425,000• Discharge Structure ‐ $500,000• Bank Armoring ‐ $750,000• Other Construction ‐ $325,000• Contingencies (30%) ‐ $1,200,000• Design (15%) ‐ $800,000• Easements ‐ $460,000• Total: $6.46M
AlternativesOption 3 – Deliver to Treatment Plant Along Conveyance PL (North of Seagoville Ranch)
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Costs:• Chemical Treatment ‐ $10,900,000• 114 mgd booster PS ‐ $38,900,000• 28.5 MG Storage at PS ‐ $6,800,000• Other Construction ‐ $3,300,000• Contingencies (30%) ‐ $18,000,000• Design (15%) ‐ $11,700,000• Easements/Property ‐ $300,000• Total: $89.9M
Notes: 1. Wetland or Chemical/Wetland Treatment
would cost more.2. Chemical treatment will have substantial
O&M costs (sludge and chemicals).
AlternativesOption 4 – Treat after Water from Wetlands Joins Water from Main Stem
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Costs:• Low head pumps for Conveyance PS – $5,000,000• Chemical Treatment (150 mgd) ‐ $15,200,000• 150 mgd booster PS ‐ $43,600,000• 37.5 MG Storage at PS ‐ $8,300,000• Other Construction ‐ $4,400,000• Contingencies (30%) ‐ $23,000,000• Design (15%) ‐ $15,000,000• Easements/Property ‐ $300,000• Total: $114.8M
Notes: 1. Wetland or Chemical/Wetland Treatment would
cost more.2. Chemical treatment will have substantial O&M
costs (sludge and chemicals).
III. DISCUSSION ITEMS
D. Update on Accessing Lake Fork Water Rights and Potential Options
Agenda
• Temporary DWU Lake Fork Contract Expired May 2016– Staff Started Discussions with DWU in Fall 2015– Received a Draft Transport Contract in February 2016
• Water Rights are Adequate for 2016• Agreement is Currently on Hold• Pursuing:
– Additional Discussions with DWU– Reaching out to Sabine River Authority– Water Right Amendments
Accessing Lake Fork Water Rights
III. DISCUSSION ITEMS
E. Update on Lower Bois d’Arc Creek Permitting and HGM Model
Agenda
• HGM Workshop Held May 4th & 5th• Preliminary Findings Rolled Out at that Time• Results & Project Impacts Should be Ready in June 2016• Design Team is Moving Out to Minimize Delays
LBCR Update
III. DISCUSSION ITEMS
F. Update on Wylie Water Treatment Plan Regulatory Matters
Agenda
• Findings of Mandatory Comprehensive Performance Evaluation Pending
• May 10th, 11th & 16th: TCEQ Performed 3‐Year Routine Inspection of Wylie WTP
• Reported WTP III Chlorine Gas Release on April 28th• Release of Chloraminated Water in St. Paul on May 10th Due
to Non‐NTMWD Contractor Boring Through Line– 328 Fish Killed– Est. 6.6 MG of Water Released– 24 hr. TCEQ Reporting Deadline Missed. Reported One Week Later.
Regulatory Update
III. DISCUSSION ITEMS
G. Opportunity for Committee Members to Request Potential Future Agenda Items(No substantive discussion of items will take place at this time)
Agenda
IV. ADJOURNMENT
Agenda
North Texas Municipal Water District“Regional Service Through Unity …
Meeting our Region’s Needs Today and Tomorrow”
Water Committee MeetingMay 26, 2016