PROJ00273

• Contract/PO #: C153368
• Contractor Name: Cache LaPoudre Water Development Study
• Water District: 0
• County: Larimer
• Bill Number: SB 81-439
• Loan Projects - Doc Type: Feasibility Study

4.

5.
6.

c.

(3)
(4)
(5)
Grey
(1)
(2)
(3)
(4)
(5)
(6)
New
(1)
(2)
(3)
(4)
(5)
(6)

I

Structural Geology.......................... .VII--4

I

d.

Rl:>ck 'ry'pes................................... .VII..4
Geomorphology............................... .VIr...S
I-Duntain Dam................................. .VII--S
Geology..................... ..... ..... ..... ..VII....6
Dam.......... ................ ............... .VII--6
Spillway_................................... .VII'''?
OUtlet liorks................................ .VII-7
Power Plant................................. .VII'-7

I

I

Diversion During Construction............... .VII'-7

I

SeaJllan Dant................................... .VII.-7
Geology.................... ................. .VII-8
Dam......................................... .VII-8

I

Spillway.....................................VII-9
Outlet Works.................................VII-9
Power Plant..................................VII-9
Diversion During Construction................VII-9

I

e.

Elkhorn Dam.. ...... .......................... .... .VII-9

(1)
(2)
(3)
(4)
(5)
(6)
(7) Diversion During COnstruction...............VII-13
Elkhorn Conduit
(1)
(2)
(3)
(4) Grey Mountain
Elkhorn-New Seaman Conduit and New Seaman Power

f.

g.

h.

(1) Geology. ...................... ............. .VII-l0
(2) Dam.......... ............. .......... ....... .VII-tO
(3) spillway. .... ............. ......... ........ .VII-l0
(4) Outlet WOrks... ............................ .VlI-t1
(5) Power Plant................................. VII-11
(6) Diversion During COnstruction...............VU-ll

I

I

Plant........................................... .VII-15
(1) Geology. ... ... ....... ....... ............... .VII-15
(2) Elkhorn-New Seaman Conveyance...............VII-16
(3) New Seaman Power Plant......................VII-16
Description of Alternative Projects...................VII-16
Staged Development COnsiderations.....................VII-16
Cost of Alternative Projects..........................VII-17
a. Capital COsts....................................VII-17
b. Operation, Maintenance and Replacement Costs.....VII-17

Idylwilde Dam..... .... ......... ............... ...VII-l1

Geology.... .................... ............ .VII-12
Dam........................................ .VII-12

I

Spillway.................. .............. ... .VII-13

Saddle

Dam................................. .VII-13

Outlet 'ii:>rks............................... .VII-13
Power Plant........ ........................ .VII-13

I

and Grey Mountain Power Plant....VII-13

I

Geology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI 1-1 4

Rustic-Cache la poudre Forebay COnveyance...VII-14
Cache la poudre FOrebay and Saddle Dam......VII-14

Power Plant.................. .VII-15

I

I

I

I

CHAPTER VIII EVALOATIOIl OF ALTBBltM'IVB PBOJBC1'S (PHASE II)........ .VIII-l
A. INTRODUCTION .. .......... .......................... ..... .VIII-l

I

B. EVALUATION CRITERIA............................. .......... .VllI-l

I

iv

I