Collier

Canyon

Road

South

Bay

Aque

duct

Seco

Arroyo

U7

U8

U9

U10

U11

U12

U13

D u b l i n

P l e a s a n t o nL i v e r m o r e

580

680

Alcost

Blvd.

Montiv

edeo

Dr.

PineVall

eyRd

.

Villa

ge P

kwy.

Old

Ranc

h

Amador

Valley

Blvd.

Dublin Blvd.

Foothill Road

San Ram

on Road

Hopyard

Valley Avenue

Black Avenue

Mohr Avenue

Stanley

Isab

el A

venu

e

Mur

dell

Lane

ElCaminito

Concannon Blvd.

Alden Lane

Wetmore Road

Arroyo Road

580

680 580Ta

ssaj

ara

Roa

d

Dou

gher

ty R

oad

Croa

k Roa

d

Fallo

n R

d.

El CharroRoad

Airway Blvd.Portola

Avenue

Las Posita

Road

84

Livermore Avenue

College Ave.

Tesla Road

Patterson

Sout

h Va

sco

R

oad

PassRoad

South

Flinn

Road

North

Lupin Way

Altamon

Pass

Road

Cros

s

Nor

thLi

verm

ore

Aven

ue

Flynn

Road

Bluebell

Drive

Hartford Avenue

May School Road

Vasc

oR

oad

Laug

hlin

Road

North

Front

Road

Gre

envi

lleR

oad

Dyer

Road

Doolan

CanyonRoad

East Avenue

N.

Blvd.

Scenic Ave.

Mines

Rd.

BernalAv

e.

Contra Costa

County

Alameda Co

unty

Cam

ino

Tass

ajar

a

Manning

Dag

nino

Roa

d

ExistingSan RamonSubstation

Mines Rd.

Vineyard Avenue

Stoneridge

0 1/2 1 Mile

Valley Ave. Busch Rd.Boulder City

Vineyard Ave.Kotinger Dr.

Hearst

Concord

Arbor

Tour

gaPalo-mino

Grant

Environmentally Superior ComponentsOverheadUndergroundSubstation or Switching Station (Dimensions are Approximate)

ADCC Fields Ranch Wind

Fayette

Ellis

Zone Wind

Flow Wind Sea West

Vasco

Con

tra

Cos

ta-N

ewar

k23

0 kV

Tra

nsm

issi

on L

ine

Livermore

Iuka

Kaiser

RadumExistingVineyard

SubstationProposed

Modifications

Vallecitos

ParksEastDublin

San Ramon

Pitts

burg

-Sa

n Ra

mon

Lawrence Livermore

Lab

Tesla

Tesla-N

ewark

Transm

ission

Line C

orrido

r

Cal Mat

D1

D1 SubstationAlternative

L2 SubstationStudy Zone

L2

S1 & L2

S4

S2*

S2* & S4

S1, L2 & S2 Stanislaus Corridor

Alternative

D2

D2 Reconductoring

P2P1 & P2

L1L1

SubstationAlternative

Local Generation

Switching StationSite 2 (Phase 2)

S2A

Mocho Jct.

Las Positas

US Windpower Frick

US Windpower #1

Contra Costa-Tesla

Pittburg-Telsa

US Windpower #2

Tesla Jct.

Switching StationSite 3

Switching StationSite 1

Altamont

S1*

In the Pleasanton Area, 2 routes were found to be environmentally superior.

S2A to S2 along Vineyard Avenue, then either New Vineyard to the western portion

of S2 to Vineyard Substation or New Vineyard to the S5 Quarry Route to the

western portion of S1 to Vineyard Substation.

* Pleasanton Area Env. Superior Alternatives:

Santa Rita R

oad

ProposedNorth Livermore

Substation

Proposed 230 kV Double-CircuitTransmission Line (Phase 1)

Proposed230 kV Double-Circuit

Transmission Line

Proposed Dublin &D2 Alternative

Substation

MitigationMeasure A-6 B11

580

205

84

Proposed 230 kV Double-CircuitTransmission Line (Phase 2)

B13B14

B15B16B17

B12 B10

B9

B8

B7

B6

B5

B4

B3

B2 B1

P3 (Note that the Environmentally Superior Alternative in North Livermore is the No Project

Alternative, but P3 is superior to all other alternatives.)

Proposed and Alternatives Routes (Overhead)Proposed and Alternatives Routes (Underground)Proposed Route (Phase 2)Existing Transmission Line

Substation or Switching Station (Dimensions are Approximate)Transition StationMilepost Markera˜•‡“e“›‹—”“’‡“™ƒ‘@g—”š•

Environmentally Superior Project

Figure D-1

Tri-Valley 2002 CapacityIncrease Project EIR

B19 B18B20

B21

B22

Legend

V10V9

V8V7

V6V5

V4

V3

V2

V17

V16

V15

V14

V13

V12

V11

V1

MX0

MX1

M2

M4

M5

M3

D. Comparison of Alternatives

Final EIRApril 2001

Transition Station

S5*

NewVineyard*