HomeMy WebLinkAbout2013/07/09 Special Orders of the Day- Sweetwater to Lower Otay Pipeline 3 Relining Project Presented by Bill Rose
Bill Rose, Director of Engineering
July 9, 2013
Wholesale water agency created
by State Legislature in 1944
24 member agencies
o
36-member board of directors
o
Serves 3.1 million people and
o
region’s $188 billion economy
Mission is to provide safe and
reliable water supply to member
agencies
Service area
950,000 acres
◦
97% of county’s population
◦
2
LAKE
San Diego County
SHASTA
imports ~70% of its
LAKE
OROVILLE
water supply
State Water Project
(Bay-Delta)
28%
Colorado River
44%
Local Supplies
and Conservation
28%
3
19912012
2020
26 TAF
(5%)
24 TAF
44 TAF
103 TAF
80 TAF
70 TAF
(4%)
80 TAF
(6%)
(13%)
(10%)
(11%)
18 TAF
(13%)
552 TAF
56 TAF
(3%)
(95%)
61 TAF
(7%)
85 TAF
(10%)
(14%)
27 TAF
Total = 578 TAF
190 TAF
(4%)
231 TAF
274 TAF
(24%)
(30%)
(45%)
48 TAF
(6%)
Total = 779 TAF
Total = 612 TAF
Metropolitan Water District
Recycled Water
Seawater Desalination
Imperial Irrigation District Transfer
Groundwater
All American & Coachella Canal Lining
Conservation
Local Surface Water
(existing and additional)
4
TAF=Thousand Acre-Feet
5
◦
Relined 34 miles of pipe
◦
Maintains and protects
water-delivery system
◦
Reinforces aging pipeline
with steel
◦
Fewer impacts on
environment & community
◦
Increases reliability of
pipelines
◦
Recently completed
Mission Trails to Lake
Murray project
6
◦
5.4 miles
◦
17 portal locations
◦
Begins south of
Sweetwater Reservoir in
Bonita, west of SR 125
PORTAL 10
◦
Continues south
through Chula Vista
PORTAL 11
PORTAL 12
◦
Ends just south of
PORTAL 13
Lower Otay Lake, east
PORTAL 14
of the water treatment
plant
Construction:Fall 2013 through Mid-2014
◦Clearing & grubbing: Sept. –Nov. 2013
◦Relining activities: Nov. 2013 –June 2014
◦Site restoration: July 2014
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Community meetings
◦Open house events
July 17 (Eastlake High School)
July 18 (Eastlake Elementary
School)
6-7:30 p.m.
Postcards & letters
Doorhangers
Information line
◦(877) 682-9283, Ext. 7005
Web page
◦www.sdcwa.org/SouthBayRelining
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Visit our website: sdcwa.org
sdcwa.org/mobile-news-app
@sdcwa
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Grout Installation
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Preparing to Install
Mortar Lining
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