69. Plastering varies in price according to its position and quality. It is therefore necessary to make a separate schedule of each class of work, so that any increase or decrease in quantity may be easily added to or deducted from the estimate.

Quantities.

Three-Coat Work.

Sq. Ft.

Sq. Yd.

First-story walls, 542' X 9' 9 3/8".......

5,284.5

First-story ceiling (take measurement of flooring )............

1,312

Second-story walls, 609' X 9'........

5,481

Second-story ceiling..........

1,312

Attic walls, 190' X 8' + 156' X 6'....

2,456

Attic ceiling..........

831

Total of three-coat plastering. ...

16,676.5

1,853

Two- Coat Work.

Sq. Ft

Sq. Yd.

Cellar ceiling, use same measurements as for concrete cellar floor......

143.6

Cornices.

Cornice, 147' X 2' girth.........

294

Cornice, 493'X l' girth.......

493

Total sq. ft. of cornice........

787

Cost.

The cost of the plastering is based on the following analyses:

Cost of 100 Square Yards of Three-Coat Plastering.

1,440 laths, 1 1/2 in. wide, 3/8 in. spacing, at $2.10 per 1,000....................

$3.02

10 lb. 3d. nails, at $2.05 per 100 lb.........

.20

Labor: putting on lath, carpenter, 1 day.........

2.25

13 bushels of lime, at 25 cents per bushel.........

3.25

1 bushel of hair, 8 lb., at 4 cents per lb..........

.32

1 1 /2 loads of plastering sand, at $1.50 per bushel...

2.25

1/3 barrel of plaster of Paris, at $1.50 per barrel...

.50

Labor:

Plasterer, 3 1/4 days, at $3.00 per day..........

9.75

Helper, 2 1/2 days, at $1.50 per day...........

3.75

Cartage..............

1.00

Total...................

$26.29

Cost per sq. yd., $26.29 ÷ 100 = 26 cents, approximately.

Cost of 100 Square Yards of Two-Coat Plastering.

Cost of lath, nails, and carpenter work, same as for three-coat work .............

$5,475

10 bushles of lime,at 25 cents per bushel..........

2.50

3/4 bushel, or 6 lb., of hair, at 4 cents per lb........

.24

1 load of sand.........

1.50

1/3 barrel plaster of Paris, at $1.50..............

.50

Labor:

Plasterer, 2 1/4 days, at $3.00 per day.......

$6.75

Helper, 2 1/4 days, at $1.50 per day........

3.375

Cartage..............

1.00

Total................

$21.34

Cost per sq. yd., $21.34 ÷ 100 = 21 cents, approximately.

Cost of Stucco Cornice per Square Foot.

Assumed cost per square foot...........

$0.24

Summary.

From the preceding estimates of quantities and costs the following figures are obtained:

1,853 sq. yd. of 3-coat work, at 26 cents per sq. yd.

$481.78

143.6 sq. yd. of 2-coat work, at 21 cents per sq. yd.

30.16

787 sq. ft. of stucco cornice, at 24 cents per sq. ft.

188.88

Total cost of plastering...............

$700.82