Handbook of construction plant, its cost and efficiency (1918)
Dana, Richard Turner, 1876-1928 · New York, McGraw-Hill book company, inc., [etc., etc.] · leaf 401
$300. Tripods weigh 9 to 15 lbs. LIGHTS Some construction work must be done at night, and much ofit can be expedited if certain portions are done after the regularday shift has knocked off. For instance, a macadam road must be finished in a limitedtime, the road to be surfaced is straight-away from… … Fig. 170. one gang. In such a case it is obvious that if the stone is un-loaded, hauled and spread at night the work will be facilitated.There is no reason why this should not be done. Proper lightsare necessary however. Many steam shovels, cranes and derricks are operated at night.Darkness offers…
Contractors' operations · Building
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