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Stage Coach Dam & Reservoir

   
Details
Location:

USA

State:

Colorado

Client:

Upper Yampa Water Conservancy District

Highlights:

RCC completed in 35 days

Narrow gorge with limited access

2 foot stepped downstream face

Project Overview

The project involved constructing a new RCC dam in an extremely tight canyon. Work included on-site aggregate crushing and washing; diversion of the Upper Yampa River; rock excavation; gallery tunneling; construction of the concrete cofferdam, intake tower and outlet works, and hydroelectric powerhouse and related appurtenances. The high mountain climate provided a very short construction season, and the RCC dam was placed in an award-winning 35-day placement schedule

Technical Details:

Type of Dam:RCC Gravity
Height:150 feet; 46 m
Crest Length: 450 feet; 137 m
RCC Volume: 55,000 cy; 42,000 cm

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