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Published byDina Fields Modified over 6 years ago
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Kings Bluff Raw Water System Parallel Raw Water Main Project
Pender County Board of Commissioners Retreat March 9, 2017
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Kings Bluff System Map
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Kings Bluff System Phased Improvements
Phase I – Kings Bluff raw water pump station expansion Phase II – 60-Inch parallel intake construction Phase III – 14-Mile Parallel Raw Water Transmission Main – Next Phase
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Recent Raw Water Main Failure
Pipe Failure Temporary Bypass Pipe Raw Water Main Pipe Failure Repair Efforts
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Pender County Water Plant
September Pender purchases 6 MGD raw water supply from LCFWSA 2012 – Pender County Water Treatment Facility is Completed Pender WTP permitted at 2 MGD but readily expandable to 6 MGD
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Pender Inter-Basin Transfer
2015- Pender begins IBT process IBT requests 14.5 MGD Source water is the Cape Fear River via LCFWSA EMC approval was anticipated for 2017 Raw Water Intake Cape Fear River Raw Water Pump Station Lock & Dam No. 1
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Parallel Raw Water Transmission Main Projected Allocations
Customer Allocation (MGD) CFPUA 43 Brunswick County 38 Pender County 6 LCFWSA 2 Total Allocation 89
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Capacity Vs. Allocation
Three pipe diameters currently considered * 48-inch * 54-inch * 60-inch Diameter Capacity (MGD) Allocations (MGD) Difference (MGD) 48-inch 87 89 (-2) 54-inch 94 5 60-inch 106/96 17/7 *Note capacities are “total system capacity” in conjunction with existing 48-inch transmission main *Maximum withdrawal from Cape Fear River 106 MGD with 10 MGD accommodated via the CFPUA raw water pump station
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Initial Design Cost Estimate
Estimated Allocation (MGD) Pender Current Allocation 6 MGD Pender County IBT 14.5 MGD Additional Allocation (IBT) 8.5 MGD Current System Capacity 48 MGD Projected Capacity (60-inch) 96 MGD** Additional Capacity Gained Pender % of Additional Capacity 17.7% Estimated Design Cost $1.7M Estimated Pender Share of Design $0.30M **Maximum withdrawal from Cape Fear River 106 MGD with 10 MGD accommodated via the CFPUA raw water pump station
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Potential Construction Estimate
Item Amount Estimated Construction Cost $66M Pender % of Additional Capacity 17.7% Estimated Pender Share of Construction $11.7M
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Design Schedule Request for Qualifications - March 2017
Selection of Engineering Consultant – April 2017 Execute Design Contract – July 1, 2017
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Questions
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