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TABLE 1 <br />SHEET METAL SCREW ALLOWABLE STRENGTHS FOR STEEL TO STEEL CONNECTIONS. <br />Fy <br />SHEAR <br />(LB) <br />97 (12)704 <br />704 <br />613 <br />302 <br />SHEET METAL SCREW (SMS) ALLOWABLE STRENGTHS <br />FASTENER SIZE <br />(KSI) <br />NO. 14 <br />MIL <br />(STEEL GA) <br />50 <br />33 <br />68 (14) <br />54 (16) <br />43 (18) <br />33 (20) <br />TENSION <br />(LB) <br />275 <br />275 <br />261 <br />144 <br />SHEAR <br />(LB) <br />525 <br />280 <br />205 <br />124 <br />TENSION <br />(LB) <br />525 <br />525 <br />205 <br />205 <br />263 <br />405 <br />405 <br />177 <br />159 <br />159 <br />109 <br />84 <br />303 <br />244 <br />164 <br />118 <br />94 <br />72 <br />165 <br />151 <br />79 <br />61 <br />SHEAR <br />(LB) <br />TENSION <br />(LB) <br />SHEAR <br />(LB) <br />TENSION <br />(LB) <br />SHEAR <br />(LB) <br />TENSION <br />(LB) <br />0.250 IN <br />NO. 12 <br />0.216 IN <br />NO. 10 <br />0.190 IN <br />NO. 8 <br />0.164 IN <br />NO. 6 <br />0.138 IN <br />--- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />-- <br />---- <br />NOTES: <br />1. SEE GENERAL NOTES ON GX1.30 FOR ADDITIONAL INFORMATION . <br />2. WHERE ONE OR TWO LAYERS OF GYP BOARD OCCURS BETWEEN STEEL SURFACES, THE <br />ALLOWABLE VALUES OF TABLE 2 & 3 SHALL BE USED. <br />3. ALLOWABLE STRENGTH VALUES DO NOT ACCOUNT FOR EFFECTS FROM PRYING. THE RDP IN <br />RESPONSIBLE CHARGE OF THE PROJECT SHALL PROVIDE ADEQUATE BLOCKING/RESTRAINT TO <br />PREVENT PRYING ACTION. WHERE PRYING OCCURS, THE VALUES AND CONSTRAINTS OF TABLE 4 <br />SHALL BE USED. <br />TABLE 2 - NON-PRYING CONDITION <br />SHEET METAL SCREW ALLOWABLE STRENGTHS FOR STEEL TO STEEL CONNECTIONS. <br />WITH ONE LAYER OF 5/8" GYP BOARD BETWEEN STEEL SURFACES. <br />Fy <br />SHEAR <br />(LB) <br />97 (12)226 <br />FASTENER SIZE <br />(KSI) <br />NO. 14 <br />MIL <br />(STEEL GA) <br />50 <br />33 <br />68 (14) <br />54 (16) <br />43 (18) <br />33 (20) <br />TENSION <br />(LB) <br />275 <br />275 <br />261 <br />144 <br />SHEAR <br />(LB) <br />180 205 <br />124 <br />TENSION <br />(LB) <br />205 <br />205 <br />140 <br />100 <br />159 <br />159 <br />109 <br />84 <br />120 <br />120 <br />80 <br />118 <br />94 <br />72 <br />60 <br />60 <br />79 <br />61 <br />SHEAR <br />(LB) <br />TENSION <br />(LB) <br />SHEAR <br />(LB) <br />TENSION <br />(LB) <br />SHEAR <br />(LB) <br />TENSION <br />(LB) <br />0.250 IN <br />NO. 12 <br />0.216 IN <br />NO. 10 <br />0.190 IN <br />NO. 8 <br />0.164 IN <br />NO. 6 <br />0.138 IN <br />--- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />-- <br />---- <br />NOTES: <br />1. SEE GENERAL NOTES ON GX1.30 FOR ADDITIONAL INFORMATION . <br />2. ALLOWABLE STRENGTH VALUES DO NOT ACCOUNT FOR EFFECTS FROM PRYING. THE RDP IN <br />RESPONSIBLE CHARGE OF THE PROJECT SHALL PROVIDE ADEQUATE BLOCKING/RESTRAINT TO PREVENT <br />PRYING ACTION. WHERE PRYING OCCURS, THE VALUES AND CONSTRAINTS OF TABLE 4 SHALL BE USED. <br />226 <br />226 <br />226 <br />180 <br />180 <br />180 <br />140 <br />140 <br />OPD No:Section Title : <br />Sheet Title : <br />OSHPD STANDARD GYPSUM BOARD CEILING DETAILS <br />5/ <br />9 <br />/ <br />2 <br />0 <br />1 <br />7 <br /> <br />9 <br />: <br />0 <br />7 <br />: <br />3 <br />0 <br /> <br />A <br />M <br />GX1.31SHEET METAL ALLOWABLE STRENGTHS <br />- PAGES 1 OF 2 <br />M. R. Karim <br />OPD-0003-13 <br />05/11/2017 <br />REFERENCE A2 1401 N Tustin Ave Unit# <br />170 - TI1/27/2025