How to read plans and take off bills of materials. (1917)
William A. Radford · Radford Architectural Company · leaf 196
39 Gravel 40 Firm peat 45 Rubble 45 Well-drained clay 45 Compact earth 50 Chalk 55 In case it is desired to know the height of perpendicularwall of earthwork (as in ditches) wrhich will support itselffor a short time without bracing, the following may be usedas a guide: Dry sand or gravel 1 ft. to… … Fig. 164—Method of stating slope. but leave the lower part with a more gentle slope than theupper part. In clay, a slope of 1 to iy2 at the top of anembankment is often flattened to a 1 to 3 slope at the bottom,especially if the embankment is of considerable height. This same principle of changing…
Building materials, house plans · House contruction · Lumber
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