 floor space divided into a kitchen and dining/day room, common area bathroom and shower, and common area sleeping quarters accommodating up to 16 research volunteers, a wet laboratory, a research area, and a mechanical room housing steel storage tanks for water and sewage.The building is well insulated and protected from the elements, supplied with electrical power, and heated by natural gas.Also occupying the summit is the commercially operated lodging, the Summit House, for the 500 to 3000 tourists who come daily to the summit in the summer time by car, cog railway, or trail hiking.