2007-09-04 Water & Sewer
NEW HANOVER COUNTY WATER AND SEWER DISTRICT BOOK 3
REGULAR MEETING, SEPTEMBER 4, 2007 PAGE 245
ASSEMBLY
The District Board of Commissioners of the New Hanover County Water and Sewer District met in
Regular Session on Tuesday, September 4, 2007, at 9:13 p.m. in the Human Resources Training Center, New
Hanover County Government Center, 230 Government Center Drive, Suite 135, Wilmington, North Carolina.
Members present were: District Chairman William A. Kopp, Jr.; District Vice-Chairman Robert G. Greer;
District Commissioner William A. Caster; District Commissioner Ted Davis, Jr.; District Commissioner Nancy H.
Pritchett; County Attorney Wanda M. Copley; Clerk to the District Board Sheila L. Schult and County Manager
Bruce T. Shell.
NON-AGENDA ITEMS
District Chairman Kopp announced that time had been reserved for anyone from the public to present an
item that was not listed on the Regular Agenda. He requested all persons to limit their remarks to three minutes.
No items were presented.
APPROVAL OF MINUTES
District Chairman Kopp called for a motion to approve the minutes of the Water and Sewer District
Regular Meeting held on August 13, 2007, as presented by the Clerk to the District Board.
Motion:
District Commissioner Caster MOVED, SECONDED by District Vice-Chairman Greer, to approve the
minutes of the Water and Sewer District Regular Meeting held on August 13, 2007, as presented by the Clerk to the
District Board. Upon vote, the MOTION CARRIED UNANIMOUSLY.
NEW HANOVER COUNTY WATER SYSTEM OVERVIEW AND WATER TREATMENT PLANT
PROJECT PROGRESS UPDATE
Jordan Peck, consultant, stated that he was present to provide the District Board with an overview of the
water system and North Side Waste Water Treatment Plant project.
The strategic vision as proposed includes:
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Develop redundant sources of water
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Meet world class treatment standards
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Provide flow and pressure sufficient for residential fire protection
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Water conservation by innovation
New Hanover County residents are served by the following water systems:
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North System ? serves 8,628 customers; twenty-one wells, five water towers
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Airport System ? serves 1,836 customers; no wells; no water towers
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Kings Grant System ? serves 5,334 customers; four wells; one water tower
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Flemington System ? serves 400 customers; two wells; one water tower
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Monterey Heights System ? serves 4,578 customers; three wells; one water tower
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Privately Owned Systems ? includes individual wells, private systems and beach communities
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Wilmington Water System ? the City of Wilmington operates a 25 million gallon per day water
treatment plant withdrawing water from the Cape Fear River. Raw water from the river is pumped
to the plant to eliminate the intake of salty water during tidal changes. The system currently
extends beyond the city limits and the division also oversees twenty-three wells on the
groundwater system.
Water system improvement projects include:
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Wells A and B located at the new water treatment plant site - completed summer 2007
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New Porter?s Neck Water Tower ? completed summer 2007
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Porter?s Neck ? North Market Street connector ? completed summer 2007
NEW HANOVER COUNTY WATER AND SEWER DISTRICT BOOK 3
REGULAR MEETING, SEPTEMBER 4, 2007 PAGE 246
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Ogden Park Wells M and N ? in design phase with an estimated completion date of spring 2008
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Gordon Road connector ? pending construction award with an estimated completion of spring
2008
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North Chase wells upgrade ? in design phase with an estimated completion of winter 2007
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Kings Grant ? Crestwood Drive rehabilitation ? in design phase with an estimated completion of
fall 2008
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North Market Street extension ? Futch Creek Road connector ? in design phase with an estimated
completion of fall 2008
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Runnymeade ? Old Mill Road connector ? in design phase with an estimated completion of spring
2008
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Murrayville Road ? North College Road connector ? in design phase with an estimated
completion of spring 2008
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Ogden Park extension ? in design phase with an estimated completion of spring 2008
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Greenview Drive ? North Market Street connector ? in design phase with an estimated completion
of spring 2008
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North Kerr Avenue connector ? in design phase with an estimated completion of spring 2009
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Holly Shelter Road Water Tower ? in design phase with an estimated completion of spring 2009
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City of Wilmington water tower ? in planning stage with an estimated completion of 2009+
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New water treatment plant and well field project ? out for bid with an estimated completion of
summer 2009
Water Treatment Plant and Well Field Project timeline:
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Well drilling contract ? bids received ? recommendation for award to District Board on 9/17/07
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Water treatment plant ? bids received ? recommendation for award to District Board on 10/01/07
to the low bidder MB Kahn in the amount of $23.8 million
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Concentrate and Water Lines ? bid to be received on 9/27/07
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Bids for well drilling and water treatment plant are within budget
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Project estimated completion in summer 2009
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Corps of Engineers wetland permit is controlling the schedule
In response to District Board questions, Mr. Peck reported that heading into the fall season, water usage is
expected to decrease. With the current projects underway the County should be in a good position next spring and
not need to impose mandatory water restrictions. Mr. Peck assured the District Board that even with the Corps of
Engineers in control of the wetland permits the project is only about two weeks behind schedule.
District Commissioner Davis excused himself at 9:50 p.m.
NORTHEAST INTERCEPTOR IMPROVEMENTS PROJECT UPDATE
Chris Ford, Kimley-Horn and Associates, Inc. and Project Manager for the City of Wilmington for the
Northeast Interceptor Improvements Project, presented the following update on the Northeast Interceptor
Improvements Project:
Study Objectives:
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Evaluate the capacity, condition and reliability
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Propose improvements that will provide:
? Capacity for future demands
? Operational flexibility/event management
? Provide a high level of reliability
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Develop a schedule for improvements
NEW HANOVER COUNTY WATER AND SEWER DISTRICT BOOK 3
REGULAR MEETING, SEPTEMBER 4, 2007 PAGE 247
Study Approach:
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Deficiency Identification and Repair Program (DIRP)
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Operational Evaluation
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Capacity Analysis
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Criticality Assessment
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Recommend Reliability Improvements
Deficiency Identification and Repair Program Improvements:
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Time line of 4-6 months
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Rehabilitate 2,000 linear feet of 20? force main
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Replace all air release valves
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Replace/repair air release valve vaults
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Rehabilitate/replace 450 linear feet of 20? gravity sewer
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Replace junction manhole at the Hewlett?s Creek Pump Station
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Awarded June 19, 2007
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Construction timeline of August 2007 ? November 2007
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Contract amount: $1.8 million
Additional Deficiency Identification and Repair Program Improvements:
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Replace the junction manhole at the Bradley Creek Pump Station
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Project is being conducted in cooperation with the City of Wilmington?s project
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Contract amended September 2007
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Construction timeline of September 2007 ? December 2007
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Contract amount: $0.8 million
Northeast Interceptor Interim Improvement Project:
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Pump Stations 34 and 35 electrical improvements
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Interim pump station capacity improvements
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Relocation of 24? force main relocation at Hewlett?s Creek
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Odor and corrosion control system modifications
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Infiltration and inflow reduction program Pump Station 34 generator
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Projected cost amount: $ 8.7 million
Northeast Interceptor Interim Improvement Project:
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Install interim pumps at the Bradley Creek and Hewlett?s Creek Pump Stations
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Contract amended July 27, 2007
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Construction timeline of August 2007 ? November 2007
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Contract amount: $1.2 million
Hewlett?s Creek Relocation Project:
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Relocation/Replacement of 6,600 linear feet of 24? pipe
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Contract awarded July 10, 2007
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Construction timeline of August 2007 ? January 2008
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Contract amount: $2 million
Efforts to Expedite Projects:
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The use of off-the-shelf components
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The use of multiple construction crews resulting in shortened construction periods
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The minimization of easement acquisition by utilizing City/Government property and Progress
Energy and NCDOT right-of-ways
NEW HANOVER COUNTY WATER AND SEWER DISTRICT BOOK 3
REGULAR MEETING, SEPTEMBER 4, 2007 PAGE 248
Odor and Corrosion Control Improvements:
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Chemical testing in progress
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Requires field adjustment
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Periodic odors are anticipated
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Schedule:
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Northeast Interceptor testing - March 2007-November 2007
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Evaluate City-wide system ? November 2007 ? March 2008
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Design/construction ? April 2008 ? December 2008
Northeast Interceptor Expansion:
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Three year schedule
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24?/30? Northside force main
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Bradley Creek pump station expansion
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Hewlett?s Creek pump station improvements
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Pump Station 77 improvements
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Projected cost: $20.2 - $27.7 million
Northeast Interceptor Rehabilitation:
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Three and a half year schedule
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Replace remaining air release valve vaults
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Rehabilitate/replace 4,800 linear feet of 20? force main
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Projected cost: $2.1 million
In conclusion, Mr. Ford offered the following timeline and cost assessment of the projects:
Northeast Interceptor System Recommended Capital Improvements Program for FY 2002-2010:
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2006-2007 $12.6 million
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2007-2008 $ 9.7 million
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2008-2009 $17.3 million
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2009-2010 $ 2.1 million
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Total $41.8 million
Northeast Interceptor Improvements Completion Timeline:
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Deficiency Identification and Repair Program Improvements ? November 2007
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Interim Improvements ? January 2008
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System Expansion ? November 2009
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Rehabilitation Improvements ? May 2010
ADJOURNMENT
Hearing no further business, District Chairman Kopp adjourned the meeting at 10:18 p.m.
Respectfully submitted,
Sheila L. Schult
Clerk to the District Board