TABLE V-4.- TYPICAL PEAK STAFFING (LEO) FOR ANTENNA SUBARRAY FABRICATION Considering the current lack of task definition, the degree of automation that can be achieved, and the configuration effects, it is believed that the peak crew personnel requirement in space is between 200 and 800. The construction study did not include a definition of the weights of the construction base. As an input to the program model, gross estimates were made for LEO and GEO bases. Those crude estimates were obtained as a percentage of the weight of the SPS as follows. It was assumed that each base would require a replacement, refurbishment, or repair mass of 1000 metric tons per year or per SPS constructed. Maintenance operations for each SPS were estimated to require 12 man-years/year for each SPS at GEO and 0.5 man-years/year at LEO. It was further assumed that the mass to orbit associated with maintenance would be 800 to 900 metric tons per year. Personnel provisions requirements were estimated to be 2 or 3 metric tons/person/year, with the larger number being required at the primary construction location.
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