532
PRACTICAL CONSTRUCTION.
Ft. In.
Cube.
21 0
Ft. In.
8
3 6
3
24 0
6
3 0
3
12 0
3
9
3
7 3
Tie-Beam Roof, Fig. 992.Tie-beam b b, 8 in. by 3.
Principals d d, 6 in. by 3.
Struts e e and Foot-piece /, 3 in. by 3.
Cubic feet in all.
9 feet 1 inch cube to 1 square.
Area.Ft. In.
10 67 6
78 9
Fig. 992.
TIS-B5a.11 ROOF.
Ft.
27
In.
0
Cube.
Ft. In.
Collar-Roof, Fig. 993.
5
2
1 10
Rafters a a, d d, 5 in. by 2.
13
0
5
2
10
Collar e, 5 in. by 2.
2 8
Cubic feet in all.
J
3 feet 9i inches cube to 1 square.
Fig. 993.
Feet superficial.
Feet superficial.
COIXAR-ROOP.