142 GASOMETERS. 



Estimate. 



s. d. 



Gasometer work, including erection - 456 2 



Cast-iron work, at 7 10s. per ton - 85 



541 2 



Tank for the above. 



s. d. 



1890 Cubic yards of excavation, at lOd. - 78 15 



176 Cubic yards of puddling at bottom, at 1*. 6d. - 13 4 

 334 Superficial feet of York landing at bottom of 



wall, at Is. 9d. - - 29 4 6 



12^ Rods of stock brickwork in mortar, at 13 - 162 10 

 238 Cubic yards of puddling, and filling in behind 



wall of tank, at Is 6d. 17 17 

 70 Cubic feet of Bramley Fall stone for tripods, 



at 4s. 3d. 14 17 6 



316 8 



A gasometer 36 feet diameter and 12 feet deep contains 12,200 cubic feet, 

 and weighs as follows : 



Tons. Cwt. Qrs. ibs. 

 Ironwork of gasometer, sides of No. 18 and top of 



247 10 



