i6 



THE COLORADO EXPERIMENT STATION. 



TABLE NO. 5. Poured Posts. 



Size, 5x5 inches from base to ground line, tapering to 3x4 inches at 

 top. Length, 6 feet 6 inches. Cured weight, 115 to 120 pounds. Mixture, 

 1 part cement, 3 parts sand, and 3 parts gravel, by measure. Cost of 

 cement per post, 14 pounds, 8.4 cents; sand and gravel, 1 cubic foot, 3.7 

 cents. For cost of reinforcement, see table below. 



