How to read plans and take off bills of materials. (1917)
William A. Radford · Radford Architectural Company · leaf 200
consists in finding the number of bricksnecessary to enclose the area desired, and then multiplyingby 5 to get the number of bricks per foot of height of chimney. For example, suppose it is desired to find the number ofbricks needed for a plain chimney 25 feet high and having2 flues 8 by 8 inches,… … Fig. 167—Section of brick chimney with 3 flues. For a 12-inch flue, subtract the length of the flue in feet. For an 18-inch flue, subtract 2% times the length of theflue in feet. For a 24-inch flue, subtract 4 times the length of the fluein feet. Multiply this answer by 22y2, and the result will be…
Building materials, house plans · House contruction · Lumber
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