271 



Idaho Falls, ID. , U.S.A. 



LOSS-OF-FLUID TEST FACILITY (LOFT) 



Idaho National Engineering Laboratory (INEL) 



U.S. Dept . of Energy 



"Big Science" Descriptor : Nuclear reactor research 



Description of Facility/Instrument : LOFT is an approximately 1/30-scale 

 light water pressurized reactor for simulated response to a loss- 

 of-coolant accident and for source term fission product experiments. 

 It has a design ppwer of 55 megawatts (thermal) and design pressure 

 and temperature of 2,500 psig and 650'F. It has a 5-1/2 foot core 

 length and a 24-inch equivalent core diameter. The facility is 

 mounted on double-width railroad flat car to enable its removal 

 from the containment facility. 



Date of Construction : Began in 1976, criticality was achieved in 1978 



Construction Cost : Original : $ 65 million 



1984 $$ : $110 million 



Present International Cooperation 



Nationality(s) of OwnershipT U.S. 



Nationality(s) of Operational Funding : U.S., U.K., Federal Republic 



of Germany, Japan, Sweden, Finland, Spain, Switzerland, Austria 



Nationality(s) of Management Staff : U.S. 



Nationality(s) of Researchers" uTs. , U.K., Federal Republic of 



Germany, Japan, Sweden, Finland, Spain, Switzerland, Austria 



Potential for Future International Cooperation : None. It is scheduled 

 Co be decommissioned and decontaminated in 1986. 



