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RE: Table 25I shear value

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Only Item 7 of the Table below(based on the UBC) uses 2 layers on one side, otherwise when used on both sides, multiply the values of items 1 to 6 by 2.
 
HTH
 
Ed Najjarine
 
1 1/2" DRYWALL WITH 5d COOLER NAILS @ 7" O.C. AT EDGES & FIELD. (UBC, TABLE 25-I) H/L RATIO = 1 1/2 MAX. 50 PLF
2 5/8" DRYWALL WITH 6d COOLER NAILS @ 7" O.C. AT EDGES & FIELD. (UBC, TABLE 25-I)  H/L RATIO = 1 1/2 MAX. 58 PLF
3 1/2" DRYWALL WITH 5d COOLER NAILS @ 4" O.C. AT EDGES & FIELD. (UBC, TABLE 25-I)  H/L RATIO = 1 1/2 MAX. 63 PLF
4 5/8" DRYWALL WITH 6d COOLER NAILS @ 4" O.C. AT EDGES & FIELD. (UBC, TABLE 25-I)  H/L RATIO = 1 1/2 MAX. 73 PLF
5 1/2" BLOCKED DRYWALL WITH 5d COOLER NAILS @ 4" O.C. AT EDGES & FIELD. (UBC, TABLE 25-I)  H/L RATIO = 2 MAX. 75 PLF
6 5/8" BLOCKED DRYWALL WITH 6d COOLER NAILS @ 4" O.C. AT EDGES & FIELD. (UBC, TABLE 25-I) H/L RATIO = 2 MAX. 88 PLF
7 (2) LAYERS OF 5/8" BLOCKED DRYWALL WITH 6d COOLER NAILS @ 9" O.C. AT EDGES & FIELD AT BASE LAYER, 8d COOLER NAILS @ 7" O.C. AT EDGES & FIELD AT FACE LAYER. H/L RATIO = 2 MAX. 125 PLF
-----Original Message-----
From: ken kirkland [mailto:kenmail234(--nospam--at)yahoo.com]
Sent: Thursday, September 26, 2002 3:14 PM
To: seaint(--nospam--at)seaint.org
Subject: Table 25I shear value

Table 15i - allowable shear for wind or seismic forces in psf for gypsum board.  Is this table shear value for One or TWO sides gypsum boar?

Thanks in advance



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