WSP07965

• File Number: 8446
• Description: Cache La Poudre Project
• State: CO
• Basin: South Platte
• Water Division: 1
• Date: 7/1/1983
• Title: Cache La Poudre Project Study and Related Correspondence
• Water Supply Pro - Doc Type: Report/Study

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CHAPTER VI

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CHAPTER VII

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5.

h. Preliminary Alternative 8..........................V-29
Costs of Preliminary Alternative Projects...............V-29

a. General..... . IO.. IO... . . IO.. IO... IO. . 10.... IO...... IO..... .V-29
b.

c.
d.

Engineering Geology.... IO................ . . IO...... . .V-30
Design Considerations..............................V-30
Construction Costs.. IO.. IO....................... IO... .V-32

e. Interest During Construction.......................V-32
f. Operation, Maintenance and Replacement COsts.......V-34

EVALUATION OF PRELIMINARY ALTERNATIVE PROJECTS

(PRASE I)...... . . . . .. . . . . .. . . . . . . . . . " . . . .. . . . . . . . . . . . . IO. VI-l
A. INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI-1

B.

MONETARY EVALUATION CRITERIA. . . . . . . . . . . . . . . . . . . . .. . . . . .. . . .. .VI-1
1. Project Costs.................. ."....................... .VI-2
2. Project Benefits.................. ~.................... .VI-2
a. Hydropower Benefits................................VI-2
(1) Value of Hydro-Peaking Capacity...............VI-4
(2) Value of Run-of-the-River Plants..............VI-7
(3) Application of Values........................ .VI-7
b. Municipal and Industrial Water Supply Benefits.....VI-9
c. Supplemental Irrigation Water Supply Benefits.....VI-12
d. Benefits from Improved System Management..........VI-12
3. Benefit-Cost. Ratios................................... .VI-14
4. Net Direct Economic Benefits...........................VI-16
5. Cost Effectiveness........................... ..... .... .VI-16
NON-MONETARY EVALUATION CRITERIA............................VI-19
1. Geologic Considerations............................... .VI-19
2. Physical Impacts................. ~.................... .VI-22
COMPARATIVE EVALUATION................ ~.................... .VI-25
1. General .......................9.................... .VI-25
2. Increased Yield of water.........,.....................VI-27
3. Monetary Evaluation Criteria.....t.....................VI-27
a. Project Costs............... ,".................... .VI-27
b. Benefit-Cost Ratios and Net Benefits..............VI-28
c. Cost Effectiveness..........~.....................VI-28
4. Non-Monetary Evaluation Criteria.......................VI-29
a. Geologic Considerations.......................... .VI-29
b. Physical Impacts..................................VI-29

C.

D.

SBLEC'l'ION AND FOBllJLATION OF ALTERNATIVE PROJECTS

(PHASE II)............................................ .VlI-1
A. INTRODUCTION ............................................ .VII-l
B. SELECTION OF ALTERNATIVE PROJECTS...........................VII-2
C. FORMULATION OF ALTERNATIVE PROJECTS.........................VII-2

1. General ......................................... ... .VII-2
2. Operation Studies..................................... .VII-2
3. Description of Major Project Features...................VII-2
a. General.......................................... .VII-2
b. General Geology................................. ~ .VII-3
(1) General Setting..............................VII-3
(2) Historical Geology...........................VII-3

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