Construction Management

B-2 Test Stand Modification

Location: John C. Stennis Space Center, Mississippi.

Customer: NASA.

Project consists of major demolition of the B-2 Test Stand and modifications that included structural steel, cryogenic piping, process piping including oxygen, nitrogen, and hydraulic systems, instrumentation and electrical systems to support the testing of the Boeing Delta IV rocket engine.

HIGH LEVEL WASTE TANK FARM REPLACEMENT

Location: Idaho National Engineering Laboratory 
Customer: MK-Ferguson Company
Project consisted of repair and replacement of high level radioactive waste piping systems. Existing piping systems were removed and replaced with secondarily contained stainless steel piping. Project included excavation of 3,000 cubic yards of highly radioactive soil and installation of 20,000 linear feet of stainless steel piping, modification of 23 existing valve boxes, and construction of one new valve box.

RS-68 Modification for Dual Engine Testing

Location: John C. Stennis Space Center, Mississippi.

Customer: NASA

Project consists of major demolition of the B1 Test Stand and modifications to include steel, cryogenic piping, oxygen, nitrogen, hydraulic systems, etc, to allow for dual engine testing. Work included demolition of major structural members, piping, and electrical systems. New work included piping fabrication and installation, installation of vacuum jacketed piping systems, installation for purge and hydraulic tubing, placement of pumps, switch gear and overhead hoists, instrument and power wiring. This project was to support the testing of Boeing’s Delta 4 rocket engine.

STEAM PLANT MODIFICATIONS TO NATURAL GAS

Location: Puget Sound Naval Shipyard,     
Customer: United States Navy.
Project consisted of converting three 125,000 Ib/hr boilers from coal to natural gas. Existing burners were removed, boilers modified and new burners, controls, piping, etc., installed.

COMPONENT TEST FACILITY

Location: John C. Stennis Space Center, Mississippi.
Customer: NASA
Project consisted of providing and installing cryogenic piping, ultra high pressure piping, hydraulic piping, high pressure water piping, tubing and components, cleaning and testing. Work included fabrication and installation of piping with wall thickness up to 6″, purge and hydraulic tubing, installation of 15,000 psi control valves, placement of high pressure gas tanks, and erection of flare stacks.

PUMPHOUSE AND VALVE EXTENSION

Location: Ellsworth AFB, South Dakota.     

Customer: Corps of Engineers.

Project consisted of installation of new hydrant pits, isolation pits, filter separators, rolling covers, pumps, aviation fuel piping, electrical, and controls.

REPAIR HEAT PLANT – PHASE III

Location: Minot AFB, North Dakota.       

Customer: United States Air Force.

Project consisted of converting boilers from coal to natural gas including new piping, valves, and burner controls.