Estimating the Heating And Ventilating System
Description
This section is from the book "A Treatise On Architecture And Building Construction Vol4: Plumbing And Gas-Fitting, Heating And Ventilation, Painting And Decorating, Estimating And Calculating Quantities", by The Colliery Engineer Co. Also available from Amazon: A Treatise On Architecture And Building Construction.
Estimating the Heating And Ventilating System
72. In taking off quantities for the heating and ventilating contract, attention should be given to the fact that the furnace and pipes, registers and borders, and the fireplace furniture are usually supplied by three different manufacturers.
Quantities and Cost.
Furnace. | |
One 53-inch cast-iron portable furnace set up in Place........... | $125.00 |
Warm-Air and Smoke Pipes. | |
12 ft. of 4" X 8" tin W. A. pipe, at $0.11...... | $1.32 |
12 ft. of 3" X 12" tin W. A. pipe, at $0.12..... | 1.44 |
13 ft. of 4" X 10" tin W. A. pipe, at $0.12..... | 1.56 |
61 ft. of 10" round tin W. A. pipe, at $0.12.... | 7.32 |
12 1/2 ft. of 8" round tin W. A. pipe, at $0.10.... | 1.25 |
4 ft. of 8" galvanized-iron smoke pipe, at $0.15 ........ | .60 |
17 ft. of 10" round fireclay flue lining, at $0.25....... | 4.25 |
2 1/2 ft. of 8" round fireclay flue lining, at $0.20... | .50 |
Labor, one-third of cost of materials....... | 6.08 |
Total.................. | $24.32 |
Registers. | |
Three 14"x l6" japanned floor registers, at $2.37. | $7.11 |
One 7" X 10" jappaned floor register........ | .57 |
One 12" X 15" jappaned floor register............ | 1.50 |
Two 7" X 9" japanned floor registers, at $0.57... | 1.14 |
One 10" X 12" jappaned floor registers, at $0.57....... | .84 |
Two 12" X 15" japanned wall registers, at $1.50......... | 3.00 |
One 10" X 12" jappaned wall register............. | .84 |
Labor, one-third of cost of materials.............. | 5.00 |
Total.................. | $20.00 |
Tin Register Boxes. | |
Three 14" X 16" X 4", at $0.80........... | $2.40 |
One 7" X 10" X 4", at............... | .57 |
Two 10" X 12" X 4", at $0.75........... | 1.50 |
Two l5"xl2"x4", at $0.75........... | 1.50 |
Two 7"x 9"x4", at $0.57............ | 1.14 |
Labor, one third of cost of materials.............. | 2.37 |
Total.................. | $9.48 |
Soapstone Borders. | |
Three for 14" X16" registers, at $2.22....... | $6.66 |
One for 7" X 10" register............. | .66 |
One for 12" X 15" register........... | 1.47 |
Two for 7" X 9" registers, at $0.06........ | 1.32 |
One for 10" X12" register............ | 1.02 |
Labor, one-third of cost of materials................. | 3.71 |
Total.................. | $14.84 |
Miscellaneous. | |
15 elbows, 10 inches in diameter, at $0.25..... | $3.75 |
2 elbows, 8 inches in diameter, at $0.20...... | .40 |
10 sheets of " IC " tin, 20" X 28", at $0.10..... | 1.00 |
2 cold-air boxes, each 24 ft. long, of 20-inch earthen pipe, with two slide dampers and screens, at | |
38.40 | |
Labor, one-third of cost of materials.................... | 14.52 |
Total.................. | $58.07 |
Summary. | |
Furnace. | $125.00 |
Warm-air and smoke pipes............ | 24.32 |
Registers............ | 20.00 |
Register boxes................ | 9.48 |
Soapstone borders................. | 14.84 |
Miscellaneous................. | 58.07 |
Total cost of heating and ventilating system. | $251.71 |
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