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<br />Wedgewood Model 1523 <br /> <br />Height: 0-15 15-20 20-40 40-60 <br />Resisting Moment: 615.1 615.1 615.1 615.1 <br />x 2/3 = 410.1 410.1 410.1 410.1 <br />Uplift Moment: -479.7 -525.4 -639.7 -708.2 <br />lIz. Pres. Moment : -156.9 0.0 0.0 0.0 <br />Overturning Mmt. = -636.7 -525.4 -639.7 -708.2 <br /> <br />Note: If OM < 2/3 RM, hold-downs are not required. <br /> <br />Required tie-down force (T): <br /> <br />( Factor of Safety 'built in' to Mfr's tables.) <br /> <br />Therefore: T x b + RM > or = OM. <br />where, b= building width. <br /> <br />T = (OM-RM) / b <br /> <br />Height: 0-15 15-20 20-40 40-60 <br />Tie-Down (T) = 719 -2988 819 3104 <br /> <br />lbs <br /> <br />** Specify tie-down accordingly, FS 'built in' to Mfr's tables. <br /> <br />Page 7 <br />