Burns & McDonnell

Lake Taneycomo surface water intake


Courtesy of Courtesy of Burns & McDonnell

Client: City of Branson, Mo.

Completion Date: 1997 

Services Provided

  • Microtunneling
  • Public information program
  • Permitting agency reviews
  • Air backwash system
  • Potassium permanganate feed system
  • Inverted bulk drum storage
  • Architectural features
  • Architectural rendering

Project Summary 

This intake receives water from Lake Taneycomo in Branson. It has an ultimate design capacity of 15 million gallons per day (MGD), with an initial firm capacity of 5 MGD. The intake was constructed by the sunken caisson method to a depth of 40-feet. The land-based caisson has an inside diameter of 30 feet and contains an intermediate floor that allows access to pump discharge piping and valves. There are two 24-inch suction lines and screens for redundancy. The suction lines were microtunneled approximately 250-feet from the base of the caisson into Lake Taneycomo, approximately 180-feet from shore. Each suction line terminates with a 36-inch diameter tee-shaped stainless steel wire-wound intake screen supported by drilled and grouted pipe supports. The screens can be cleaned by air burst provided by a dual compressor with receiver in the structure.

The intake superstructure is hexagonal in shape and 50 feet across. Special architectural effects provide a pleasing appearance, as the intake is viewed by people fishing for trout in Lake Taneycomo and by tourists staying in resorts along the lakeshore. Public information meetings were conducted to obtain comments from local citizens regarding the type of intake.

Three vertical turbine pumps were installed initially (100 HP, 150 HP and 250 HP) with a total capacity of 10 MGD and a firm capacity of 5 MGD. Space is available for expansion of the pumping system. A potassium permanganate feed system is installed that includes an inverted drum bulk storage unit, helix feeder, solution tank, metering pump and control panel. The superstructure is heated by unit heaters and ventilated on both working levels.

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