HARDWARE

9. The prices given in the following list are based on the use of the best quality of hardware in the market. Should inferior quality be used, these prices would probably be 50 per cent. less. The cost of labor is assumed to be one-fifth the cost of the hardware.

Locks

Quantities and Cost
One 5⅜-inch mortise front-door lock,
with bronze furniture complete$6.00
One 4½-inch mortise vestibule-door lock,
with bronze furniture complete5.50
One 5½-inch flush pull mortise lock for double sliding-door3.00
Two 5½-inch flush pull mortise locks for single sliding-door,
at $2.254.50
Eighteen 4½-inch mortise knob locks, at $2.2039.60
Ten 4-inch cupboard lock sets, at $1.8518.50
Six 2⅜-inch mortise knob locks, at $1.509.00
One 2-inch steel spring padlock.50
Total$86.60

Hinges

Quantities and Cost
1 pair double-acting checking spring hinges
with bronze push plates, for double-acting door $10.50
2 pair 5" × 5" bronze loose pin butts, at $2.505.00
33 pair 4" × 4" bronze loose pin butts, at $1.9062.70
2 pair 3" × 3" bronze loose pin butts, at $1.352.70
Total$80.90

Miscellaneous Hardware

Quantities and Cost
Thirty-two 1⅛" × 2⅝" bronze sash fasts, at 40 cents $12.80
Five 2" × 2¼" bronze cupboard turns, at 40 cents2.00
Four 6" × 1¼" bronze flush bolts, at $1.255.00
3 doz. 3-inch japanned-iron coat hooks, at 25 cents.75
One galvanized-iron hasp and staple.20
One McCabe patent door hanger, double3.50
Two McCabe patent door hangers, single, at $24.00
Four 2¼-inch bronze draw pulls, at 10 cents.40
Total$28.65

Summary
Locks$86.60
Butts80.90
Miscellaneous28.65
Total cost of hardware$196.15

HEATING AND VENTILATING
SYSTEM

10. A house as large as the one under consideration should be heated either by steam or by hot water. However, a furnace is used in this case, not because it is the best practice, but because it gives practice in estimating on a furnace, which is more important than estimating on either steam or hot water. 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 different manufacturers.

Furnace

Quantities and Cost
One 53-inch cast-iron portable furnace set up in place $125.00

Warm-Air and Smoke Pipes

Quantities and Cost
12 ft. of 4" × 8" tin W. A. pipe, at 12½ cents$ 1.50
12 ft. of 3" × 12" tin W. A. pipe, at 15 cents1.80
13 ft. of 4" × 10" tin W. A. pipe, at 15 cents1.95
61 ft. of 10-inch round tin W. A. pipe, at 16 cents9.76
12½ ft. of 8-inch round tin W. A. pipe, at 12½ cents1.56
4 ft. of 8-inch galvanized-iron smoke pipe, at 15 cents.60
17 ft. of 10-inch round, fireclay flue lining, at 25 cents4.25
2½ ft. of 8-inch round, fireclay flue lining, at 20 cents.50
Labor, one-half of cost of materials10.96
Total$ 32.88

Registers

Quantities and Cost
Three 14" × 16" japanned floor registers and borders,
at $3.85$ 11.55
One 7" × 10" japanned floor register and border.85
One 12" × 15" japanned floor register and border2.25
Two 7" × 9" japanned floor registers and borders,
at 85 cents1.70
One 10" × 12" japanned floor register and border1.26
Two 12" × 15" japanned wall registers and borders,
at $2.254.50
One 10" × 12" japanned wall register and border1.26
Labor, one-third of cost of materials7.79
Total$ 31.16

Tin Register Boxes

Quantities and Cost
Three 14" × 16" × 4", at 80 cents$ 2.40
One 7" × 10" × 4".57
Two 10" × 12" × 4", at 75 cents1.50
Two 15" × 12" × 4", at 75 cents1.50
Two 7" × 9" × 4", at 57 cents1.14
Labor, one-third of cost of materials  2.37
Total$ 9.48

Miscellaneous

Quantities and Cost
Fifteen elbows, 10 in. in diameter, at 35 cents$ 5.25
Two elbows, 8 in. in diameter, at 25 cents.50
Ten sheets of "IC" tin, 20" × 28", at 20 cents2.00
Two cold-air boxes, each 24 ft. long, of 20-inch earthen
pipe, with two slide dampers and screens38.40
Labor: one-third of cost of materials15.38
Total$61.53

Summary
Furnace$125.00
Warm-air and smoke pipes32.88
Registers and borders31.16
Register boxes9.48
Miscellaneous61.53
Total cost of heating and ventilating system$260.05