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Safety Program
PUTZHEIM CRESCENT INCORPORATED
Table C-2.1
Timber Trench Shoring -- Minimum Timber Requirements *
Soil Type A P(A) = 25 X H + 72 Psf (2 Ft Surcharge)
____________________________________________________________________
|
|
SIZE (S4S) AND SPACING OF MEMBERS **
|_____________________________________________________________
DEPTH |
|
CROSS BRACES
OF
|_____________________________________________________________
|
|
|
| HORIZ.|
WIDTH OF TRENCH (FEET)
|
VERT.
TRENCH|SPACING|_______________________________________| SPACING
|
|
|
|
|
|
|
|
| UP TO | UP TO | UP TO | UP TO | UP TO |
(FEET)| (FEET)|
4
|
6
|
9
|
12 |
15 | (FEET)
______|_______|_______|_______|_______|_______|_______|_____________
|
|
|
|
|
|
|
| UP TO |
|
|
|
|
|
|
6
| 4X4 | 4X4
| 4X4
| 4X4 | 4X6 |
4
5
|_______|_______|_______|_______|_______|_______|_____________
|
|
|
|
|
|
|
TO
| UP TO |
|
|
|
|
|
|
8
| 4X4 | 4X4
| 4X4
| 4X6 | 4X6 |
4
|_______|_______|_______|_______|_______|_______|_____________
10
|
|
|
|
|
|
|
| UP TO |
|
|
|
|
|
|
10 | 4X6 | 4X6
| 4X6
| 6X6 | 6X6 |
4
|_______|_______|_______|_______|_______|_______|_____________
|
|
|
|
|
|
|
| UP TO |
|
|
|
|
|
|
12 | 4X6 | 4X6
| 4X6
| 6X6 | 6X6 |
4
______|_______|_______|_______|_______|_______|_______|_____________
|
|
|
|
|
|
|
| UP TO |
|
|
|
|
|
|
6
| 4X4 | 4X4
| 4X4
| 6X6 | 6X6 |
4
|_______|_______|_______|_______|_______|_______|_____________
10
|
|
|
|
|
|
|
| UP TO |
|
|
|
|
|
|
8
| 4X6 | 4X6
| 4X6
| 6X6 | 6X6 |
4
|_______|_______|_______|_______|_______|_______|_____________
TO
|
|
|
|
|
|
|
| UP TO |
|
|
|
|
|
|
10 | 6X6 | 6X6
| 6X6
| 6X6 | 6X6 |
4
|_______|_______|_______|_______|_______|_______|_____________
15
|
|
|
|
|
|
|
| UP TO |
|
|
|
|
|
|
12 | 6X6 | 6X6
| 6X6
| 6X6 | 6X6 |
4
______|_______|_______|_______|_______|_______|_______|_____________
|
|
|
|
|
|
|
| UP TO |
|
|
|
|
|
|
6
| 6X6 | 6X6
| 6X6
| 6X6 | 6X6 |
4
|_______|_______|_______|_______|_______|_______|_____________
15
|
|
|
|
|
|
|
| UP TO |
|
|
|
|
|
|
8
| 6X6 | 6X6
| 6X6
| 6X6 | 6X6 |
4
|_______|_______|_______|_______|_______|_______|_____________
TO
|
|
|
|
|
|
|
| UP TO |
|
|
|
|
|
|
10 | 6X6 | 6X6
| 6X6
| 6X6 | 6X8 |
4
|_______|_______|_______|_______|_______|_______|_____________
20
|
|
|
|
|
|
|
| UP TO |
|
|
|
|
|
|
12 | 6X6 | 6X6
| 6X6
| 6X8 | 6X8 |
4
______|_______|_______|_______|_______|_______|_______|_____________
|
OVER |
SEE NOTE 1
20
|
______|_____________________________________________________________
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