7
San Mateo C reek P ilarcito s C r e e k P il a r citos C r e e k S a n Mateo Cree k S prin g Valle y C ree k Pilarcitos Reservoir Crystal Springs Crystal Springs Reservoir Reservoir Crystal Springs Reservoir Pilarcitos Dam Upper Crystal Springs Dam Pulgas Water Temple Pulgas Tunnel (from Hetch Hetchy Aqueduct) Lower Crystal Springs Dam Water Quality Sampling Station #5 Lower Crystal Springs Dam Water Quality Sampling Station #5 Crystal Springs Pump Station San Andreas Creek San Andreas Dam Harry W. Tracy Water Treatment Plant San Andreas San Andreas Reservoir Reservoir San Andreas Reservoir Crystal Springs/San Andreas Pipeline San Francisco Millbrae CRYSTAL SPRINGS RESERVOIR San Francisco Bay Pacific Ocean SFPUC Lower Crystal Springs Dam Improvements Figure 1 Project Location SOURCE: ESA + Orion; USGS 1978 0 2 Miles Proposed Project

Harry W. Tracy Water Treatment Plant...Water Temple Pulgas Tunnel (from Hetch Hetchy Aqueduct) Lower Crystal Springs Dam Water Quality Sampling Station #5 Crystal Springs Pump Station

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Page 1: Harry W. Tracy Water Treatment Plant...Water Temple Pulgas Tunnel (from Hetch Hetchy Aqueduct) Lower Crystal Springs Dam Water Quality Sampling Station #5 Crystal Springs Pump Station

San M

ateo C

reek

Pila

rci

to

s Cre

ek

Pilarcitos Creek

San Mateo C

reek

Spring Valley Creek

PilarcitosReservoir

Crystal SpringsCrystal SpringsReservoirReservoirCrystal SpringsReservoir

PilarcitosDam

Upper CrystalSprings Dam

PulgasWater Temple

PulgasTunnel(from HetchHetchyAqueduct)

Lower CrystalSprings Dam

Water QualitySamplingStation #5

Lower CrystalSprings Dam

Water QualitySamplingStation #5

Crystal SpringsPump Station

San Andreas Creek

San AndreasDam

Harry W. TracyWater TreatmentPlant

Bay DivisionPipelinesNo. 1 & 2No. 3 & 4

(from HetchHetchy

Aquaduct)

San AndreasSan AndreasReservoirReservoirSan AndreasReservoir

Crystal Springs/San Andreas Pipeline

San Francisco

Millbrae

CRYSTALSPRINGS

RESERVOIR

San Francisco Bay

Pacific

Ocean

SFPUC Lower Crystal Springs Dam Improvements

Figure 1Project Location

SOURCE: ESA + Orion; USGS 1978

0 2

Miles

Proposed Project

Page 2: Harry W. Tracy Water Treatment Plant...Water Temple Pulgas Tunnel (from Hetch Hetchy Aqueduct) Lower Crystal Springs Dam Water Quality Sampling Station #5 Crystal Springs Pump Station

SF

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Administrative Draft (July 2009) − Subject to Change

Page 3: Harry W. Tracy Water Treatment Plant...Water Temple Pulgas Tunnel (from Hetch Hetchy Aqueduct) Lower Crystal Springs Dam Water Quality Sampling Station #5 Crystal Springs Pump Station

SF

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Page 4: Harry W. Tracy Water Treatment Plant...Water Temple Pulgas Tunnel (from Hetch Hetchy Aqueduct) Lower Crystal Springs Dam Water Quality Sampling Station #5 Crystal Springs Pump Station

SFPUC Lower Crystal Springs Dam Improvements

Figure 4Proposed Stilling Basin Modifications,

Plan and Cross-section Views

SOURCE: URS, 2009

0 60

Feet

0 60

Feet

RIP RAP

STILLING BASIN PLAN VIEW

CROSS SECTION THROUGH CENTERLINE OF STILLING BASIN

STILLING BASIN

EXISTINGSTILLINGBASIN

138’

102’

32’

WING WALL

SAN MATEO CREEK

SAN MATEO CREEK

SAN MATEO CREEK

MODIFIED DRAINFROM SKYLINE BOULEVARD

WING WALL

SIDE WALLSIDE WALL

DOWNSTREAM FACEOF LOWER CRYSTALSPRINGS DAM

Page 5: Harry W. Tracy Water Treatment Plant...Water Temple Pulgas Tunnel (from Hetch Hetchy Aqueduct) Lower Crystal Springs Dam Water Quality Sampling Station #5 Crystal Springs Pump Station

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Page 6: Harry W. Tracy Water Treatment Plant...Water Temple Pulgas Tunnel (from Hetch Hetchy Aqueduct) Lower Crystal Springs Dam Water Quality Sampling Station #5 Crystal Springs Pump Station

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Page 7: Harry W. Tracy Water Treatment Plant...Water Temple Pulgas Tunnel (from Hetch Hetchy Aqueduct) Lower Crystal Springs Dam Water Quality Sampling Station #5 Crystal Springs Pump Station

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