Handbook of construction plant, its cost and efficiency (1918)
Dana, Richard Turner, 1876-1928 · New York, McGraw-Hill book company, inc., [etc., etc.] · leaf 87
Case 4 ft. to 16 ft. inc 50 10 500 18 ft. to 30 ft. inc 25 10 250 BLASTING MATS Mr. H. P. Gillette, in Rock Excavation, says:Use of a Blasting- Mat. For preventing accidents due to flyingrocks, all blasts in cities should be covered either with timbersor with a blasting mat. This should be done to… … Fig. 29. Blasting pipe parallel with one another and as many feet apart as thewidth of the mat is to be. Fasten one end of the rope to oneend of the pipe; carry the rope across and loop it over the other 84 HANDBOOK OF CONSTRUCTION PLANT pipe; bring it back around the first pipe; and so on until a…
Contractors' operations · Building
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