WHCRWA APWA Presentation on CIP

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

[email protected]

(713) 527-6378