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Littlerock Dam & Reservoir

   
Details
Location:

USA

State:

California

Client:

Palmdale Water District

Highlights:


Project Overview

The project involved buttressing and raising an existing arch buttress dam with a new, attached, conventional concrete faced RCC dam. Salient features of the project include foundation rock blasting and excavation; considerable technical concrete demolition; high pressure water blast surface preparation of
existing dam; construction of a new outlet works system; shotcreting the existing dam's upstream face; producing, delivering and placing the RCC buttress; constructing a new 32-foot (9.75 m) ogee spillway; and raising the existing dam. All work was completed in 10 months.

Technical Details:

Type of Dam: Arch Buttress
Height: 165 feet; 50 m
Crest Length: 700 feet; 214 m
RCC Volume: 115,000 cy; 80,275 cm

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