7850

• UCREFRP Catalog Number: 7850
• Author: Hydrosphere Resource Consultants.
• Title: Yampa River Basin Recommended Alternatives, Detailed Feasibility Study
• USFW Year: 1994.
• USFW - Doc Type: Draft.
• Copyright Material: NO

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CHAPTER 4 - PRELIMINARY DESIGN OF DAM AND SPILLWAYS
DAM TYPE EVALUATION AND SELECTION ............................................ 4-1
DAM EMBANKMENT DESIGN ................................................................ 4-2
Recommended Design ........................................................................... 4-4
PRIMARY OUTLET DESIGN ................................................................... 4-6
SERVICE SPILLWAY DESIGN ................................................................. 4-8
STILLING BASIN DESIGN ......................................................................4-12
EMERGENCY SPILLWAY DESIGN ..........................................................4-13
HYDROELECTRIC FACILITY DESIGN .....................................................4-15
FISH EXCLUSION FACILITIES ............................................................... 4-16
DOWNSTREAM CHANNEL STABILITY ................................................... 4-19
CHAPTER 5 - DEVELOPMENT PLAN
SUMMARY OF PROJECT FEATURES ....................................................... 5-1
REGULATORY AND PERMITTING REQUIREMENTS ................................. . 5-1
Federal Agencies ................................................................................. . 5-2
U.S. Army Corps of Engineers - Section 404 Dredge and Fill Permit ............. . 5-2
U.S. Bureau of Land Management - Right-of-Way .................................... . 5-2
U.S. Environmental Protection Agency - NEPA Review ............................. . 5-4
U.S. Fish and Wildlife Service ............................................................. . 5-4
U.S. Advisory Council on Historic Preservation ....................................... . 5-4
State Agencies .................................................................................... . 5-5
Colorado Water Quality Control Division ................................................ . 5-5
Colorado Air Pollution Control Division ................................................. . 5-5
Colorado Division of Water Resources ................................................... . 5-5
Colorado Division of Wildlife .............................................................. . 5-5
Colorado Department of Highways ........................................................ . 5-6
Local Agencies ................................................................................... . 5-6
Moffat and Routt Counties ............................... -
ACQUISITIONS AND RELOCATIONS ...................................................... . 5-6
Land Acquisitions ................................................................................ .
5-
Roads and Bridges ............................................................................... . 5-8
Utilities ............................................................................................. . -
CONSTRUCTION PLAN ......................................................................... .
5-
Construction Methods ........................................................................... . 5-9
Construction Staging and Schedule ........................................................... 5-10
Stage I ..............................................................................................
5-1
Stage II .............................................................................................
5-1
Stage III ............................................................................................
5-1
Stage IV ............................................................................................
5-1
FINANCIAL CONSIDERATIONS ............................................................. 5-13
Project Quantities and Costs ...................................................................
5-13
Construction Cost .............................................................................
5-1
Total Capital Cost .............................................................................
5-1
Cash Flow Requirements ....................................................................... 5-16
Financing Options ................................................................................ 5-16
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