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Dam Rehabilitation

ASI personnel have worked on virtually every type of dam, spillway, valve, gate and related structure and enjoy the challenge of rehabilitating these existing structures.

The rehabilitation of existing dams is the largest market within the water resources construction marketplace. There are roughly 650,000 dams around the world, which all require regular maintenance, repair and rehabilitation in order to continuing functioning in a safe and reliable manner.

The majority of existing dams are in excess of 50 years old and were constructed at a time when spillways and hydraulic structures were designed to pass floods smaller than what modern studies show is possible. Also, as populations grow, more and more people are living downstream of existing dams, which often requires their spillways to be upgraded. ASI personnel have worked on dozens of spillways – from construction to removal and replacement – and have constructed and maintained fixed crest spillways, concrete structures, training wall, and hydraulic, electric, and manually actuated gates and valves.

Some of the dam rehabilitation projects completed by ASI personnel are listed below:
  • Buckeye Lake Dam Improvements, OH
  • Fort Peck Plunge Pool, MT
  • Upgrades / Modifications to Lake Laura and Lake Birdhaven Dams, VA
  • Western Branch Reservoir Dam Safety Modifications, VA
  • Huntsman Lake Dam Rehabilitation, VA
  • Northfield Dam Modifications, CO
  • Beaver Park Dam Rehabilitation Phase II, CO
  • Modifications to Lake Roberts Dam, NM
  • Loch Raven Dam Rehabilitation, MD
  • Upper Stillwater Dam Rehabilitation, UT
  • Piute Dam Rehabilitation, UT
  • Tom Miller Modernization Project, TX
  • Standley Lake Dam Rehabilitation, CO
  • Bluestone Lake Dam DSA Phase I, WV
  • Great Western Dam Rehabilitation, CO
  • Jackson Lake Dam Rehabilitation, CO
  • Monument Lake Dam Renovation, CO
  • Modifications to Motts Run Dam, VA
  • Jed Johnson Dam Modifications, OK
  • Washakie Dam Safety Modifications, WY
  • Goose Lake Dam Modification, CO
  • Mona Dam Rehabilitation, UT
  • Nesbitt Dam Project, PA
  • Fish Creek Reservoir Expansion, CO
  • Littlerock Dam Restoration, CA
  • Morris Sheppard Dam, TX
  • Buffalo Bill Dam Modifications, WY
  • Comanche Dam & Reservoir, CO
  • Humphrey’s Dam Rehabilitation, CO
  • USAFA Repair Non-Pot Res No 2, CO
  • Catawba Dam (ESSI), NC
  • Rocky Pen Run Hydraulic Structures, VA
  • Big Haynes No. 3 Dam, Rehab., GA
  • Dry Comal Creek Flood Retarding, TX
  • T. Nelson Elliott Dam Safety Modifications, VA