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APWA/SAME Presentation October 28, 2015
WEST HARRIS COUNTY REGIONAL
WATER AUTHORITY (WHCRWA)
10/28/2015 2
APWA / SAME
PRESENTATION
OCTOBER 28,
2015
Luce Bayou Interbasin Transfer Project –
Raw water supply
Northeast Water Plant Expansion-
Treated water supply
Second Source Transmission Line
Internal Distribution System “CIP”
WHCRWA FUTURE WATER SUPPLY SYSTEM
• Transfer of Trinity River Water
• Capacity 500 MGD
• ~ 26 miles of pipeline/canal
• RW Pump Station
• ~Cost $350 Million
• Participants include COH, WHCRWA, NHCRWA,
NFBWA and CHCRWA
WHCRWA pays approximately 20% of this project cost 4
Luce Bayou Facts
Project sponsored by the City of Houston
but jointly funded by WHCRWA, NHCRWA,
CHCRWA, NFBWA
WHCRWA will have 82.42 MGD capacity
of the 320MGD facility
They are responsible for about 26% of
the total costs, or about $320M
NORTHEAST WATER PLANT EXPANSION
Second Source Map
6
Joint project with NFBWA
Estimated cost is $600M
WHCRWA is sponsoring the project and responsible
for 55% of the costs
96-inch water line
approximately
39miles
SECOND SOURCE TRANSMISSION LINE
“SURFACE WATER SUPPLY PROJECT”
Segment 3
Kinder Morgan Segments
Meter Stations
ADDITIONAL SECOND SOURCE PROJECTS
9
SEGMENT
3 MAP
10
KINDER
MORGAN
SEGMENT
MAP
1 S
ep
tem
be
r 2
01
5
NORTHEAST WATER PURIFICATION PLANT METER STATION 3D MODEL
METER STATION LOOKING NORTH N
ort
he
ast
Wa
ter
Pu
rifi
ca
tio
n P
lan
t M
ete
r
Sta
tio
n 3
D M
od
e
Dannenbaum
Engineering
Corporation
Geotechnical
Environmental
Cathodic Protection
Real Estate Acquisition
Boundary surveys for
easements and title work
OTHER SECOND SOURCE CONTRACTS
14
CENTRAL
PUMP
STATION
150 MGD Capacity
Includes chloramine disinfection capabilities
Central PS - 40 acre site
60MG storage
Office building with Board meeting facility
space and offices
Control room for monitoring and operation
capabilities for entire system
Site will serve as emergency HQ for operations
Backup generation
Distribute water west of Fry Road and south to NFBWA
CENTRAL BOOSTER PUMP STATION DETAILS
16
REPUMP
STATION
150 MGD Capacity
Includes chloramine disinfection capabilities
Re-pump PS
30MG storage
Control room for monitoring and operation capabilities
for entire system
Backup generation
Push water west and south to Mission Bend Area & NFBWA
17 acre site within the City limits of Houston
Active seismic fault southeast of the southern boundary
RE-PUMP STATION DETAILS
PUMP STATION SCHEDULE RFQ for design to be released in
November 2015
1 RFQ for both-may select one
or two designers
Submittals due in mid/late January
NTP for design in April
Environmental clearance already obtained
Construction to start in 2018
Prior to 2025 need to construct ~75 miles of lines
Connect approximately 52 more MUDs to surface water
Estimated costs are $361M
INTERNAL DISTRIBUTION SYSTEM “CIP”
20
INTERNAL
DISTRIBUTION
“CIP”
PROJECTS
21
NEXT “CIP”
PROJECTS
APWA/SAME
PRESENTATION
10.28.2015 WEST HARRIS COUNTY
REGIONAL WATER AUTHORITY
WAYNE AHRENS, P.E. PROGRAM MANAGER
DANNENBAUM ENGINEERING
(713) 527-6378
