. Railroad structures and estimates . OF COST PER LINEAL FOOT OF VIADUCT. Items. Excavation Backfill Concrete, plain footings Concrete, reinforced (fl. slabs).. Piles (wood) Drainage Steel (structural) Steel reinforcement Wood floor Waterproofing (fl. slabs) Ballast (stone) • Handrailing Supervision Total cost per lin. ft. of viaduct. Section A, concretefloor. 4 cu. cu. | cu. | cu. 1. lin trk. ties7 sq. | cu. lin. (about) $ $
. Railroad structures and estimates . OF COST PER LINEAL FOOT OF VIADUCT. Items. Excavation Backfill Concrete, plain footings Concrete, reinforced (fl. slabs).. Piles (wood) Drainage Steel (structural) Steel reinforcement Wood floor Waterproofing (fl. slabs) Ballast (stone) • Handrailing Supervision Total cost per lin. ft. of viaduct. Section A, concretefloor. 4 cu. cu. | cu. | cu. 1. lin trk. ties7 sq. | cu. lin. (about) $ $ $ Section B. wood floor. 4 cu. yds. $ 2 cu. yds. 2| cu. yds. Nil. Nil. 35 1. ft. Per lin ft. 3800 lbs. Nil. Nil. 4 lin. ft. Nil. Nil. Nil. Nil. 2 lin. ft. 10% (about) $ Nil. Nil. Nil. $ Rails and fastenings common to any scheme are not included in the above estimates. 166 REINFORCED CONCRETE VIADUCT. FOUR TRACK VIADUCT. OOOOO^TOO
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