Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 134
Laying 4S-inch Reinforced concrete pipe. car with two cable drums for lowering into the trench thetwo buckets each of 5-8 yard capacity used for taking upthe earth; this car runs on steel rails on top of a framework situated on top of the ditch and straddling it and be-*ing itself on wheels running… … aying 4S-inch Reinfor concrete pipe under difficulties. Excavation 54 inches wideand 23 eet deep for 33-inchReinforced concrete pipe sew-er in an alley 10 feet wide. avated material can be used for backfilling over the com-leted pipe which follows the excavation very closely. Where strata of sand…
Architecture · Building · Construction industry · Engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
