San Francisco : Architect and Engineer, Inc · leaf 210
tation coordi-nated between stations. 8) Ability to lift roof slab and one or morslower slabs with same set of equipment. 9) Simple, and as near foolproof as possible,means of indicating off level or automaticleveling controls. 10) All lifting elements to be stopped in case offailure of any one to… … MAY, 1951 INTEGRATED RESEARCH . . . 12) Equipment must be capable of operatingthrough a wide variation of weather condi-tions and in the presence of dust and dirt. 13) Equipment must be easy to set up, breakdown, and transport. 14) Heavy equipment must be designed to lift160,000 pounds per station.…
Architecture · Building
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