Churches and Theatres With Fixed Seats. Total load, 102 pounds per square foot.

Size of Joists.

Dist. on Centres.

White Pine.

Spruce or Norway Pine.

Oregon or Texas Pine.

Georgia Pine.

Ins.

Ft.

Ins.

Ft.

Ins.

Ft.

Ins.

Ft.

Ins.

3x8

12

12

6

13

4

13

9

14

10

3x8

16

11

4

12

2

12

6

13

6

2x10

12

13

7

14

7

15

1

16

2

2x10

16

12

4

13

3

13

8

14

9

3x10

12

15

8

16

9

17

3

18

7

3x10

16

14

2

15

2

15

8

16

10

2x12

12

16

5

17

7

18

1

19

6

2X12

16

14

10

15

11

16

5

17

8

Total load, 105 pounds per square foot.

3x12

12

18

7

19

11

20

6

22

1

3x12

16

16

10

18

1

18

7

20

1

2x14

12

19

0

20

3

20

10

22

6

2x14

16

17

3

18

5

19

0

20

6

2x14

12

20

4

21

9

22

6

24

3

2XI4

16

18

7

19

10

20

6

22

1

3x14

12

21

8

23

2

23

10

25

9

3x14

16

19

8

21

1

21

9

23

4