Engineering and Contracting . ying from 500lbs. per square foot on the first floor to 150lbs. per square foot on the top floor. Abovethe first floor the building is divided by firewalls into three sections, each of which isserved by two elevators and an enclosedstairway which also serves as a fire columns rest on concrete piers restingon wood pile foundations. The building is of the flat-slab type, andis the first building of this type to be approvedby the building department of were taken on three types of concreteconstruction: (a) beam-and-girder type withexterior c
Engineering and Contracting . ying from 500lbs. per square foot on the first floor to 150lbs. per square foot on the top floor. Abovethe first floor the building is divided by firewalls into three sections, each of which isserved by two elevators and an enclosedstairway which also serves as a fire columns rest on concrete piers restingon wood pile foundations. The building is of the flat-slab type, andis the first building of this type to be approvedby the building department of were taken on three types of concreteconstruction: (a) beam-and-girder type withexterior curtain walls of concrete; (b) beam-and-girder type with exterior curtain wallsof brick; and (c) flat-slab type with exteriorcurtain walls of concrete. The lowest bidwas for the flat-slab type, and the next low-est was for the bcain-and-girder type withconcrete curtain walls, the increased cost ofthe latter being approximately 10 per increased cost of the beam-and-girder Ji!uc, 10. IM4. Engineering and Contracting 663. Fig- 1. View Showing Reinforcing Steel in Place for Second Floor of Baltimore and OhioTerminal Warehouse in New York. building about 90 ft. For the foundation3.)!)0 wood piles were driven, ranging inIcMigth from 45 to 85 ft. These piles weredriven with great difficulty at certain points,as the pile foundations of old piers and anlid timber crib bulkhead were latter was approximately 35 ft. deep byIS ft. wide, and was filled with one-manstone. To remove this obstruction it wasnecessary to drive sheet piling and to removethe stones one at a time. A number of oldboats, which had been filled with stone tosink them, were also encountered and wereremoved after first being enclosed with sheetIjiling. It took almost a year to get the foun-dations in shape for the general contractorof the superstructure to start work, whereasthe building itself was delivered complete sixmonths after the foundations were 2 is a view of the site, and
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