San Francisco : Architect and Engineer, Inc · leaf 113
average cost of fire protection of structuralsteel beams with concrete is from 1/12 to 2 timesthe cost of the structural steel beam itself laid downin the fabricators yard, prior to the costs of fabri-cation and erection. The weight of stone concretefire protection for an 18 beam is 225 lbs. per… … First Three Floors of theeastern wing are occu-pied by a well knownNew York DepartmentStore. Julius Shuhrum, Photo PRUDENTIAL INSURANCE square foot oi the building area. Furthermore, the225 lbs. per lineal foot is 10% of the carryingcapacity of the 18 beam on a 25 foot span. Italso developed that…
Architecture · Building
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