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30351 <br />Description: Add two cantilever rack as above pictures shown on <br />building 40-32 3 rd floor. There will be only 4 cantilever <br />4'-0" , arms attached to the upright post. <br />Rack consists of three cantilever frames at 4'-0" O.C. <br />Max. arm. Capacity = 2000 lb See above <br />Frames weight = 650 lb Estimated <br />Concrete thickness = 5 inches <br />Bolt =1/2" hilti adhesive HIT anchor bolt with 2.5" embedment <br />Shear capacity = 2926 lb From Hilti <br />Tension capacity = 4178 lb From Hilti <br />F'c=4000psi <br />Site Latitude: 47.9297870 Site Lonaitude:-122.2796920 ASCF n7-n5 <br />Importance Factor <br />I <br />1 <br />Tables 1-1 & 11.5-1 <br />Response Factor <br />R <br />7 <br />Table 12.2-1 <br />Short Period Response <br />Acceleration: <br />SS <br />1.2723 <br />Section 11.4.1 <br />1 Second Response <br />Acceleration: <br />S, <br />0.4537 <br />Section 11.4.1 <br />Seismic Design <br />Category <br />D <br />Table 11.6-1 & 2 <br />Site Coefficient <br />Fa <br />1 <br />Table 11.4-1 <br />Site Coefficient <br />F„ <br />1.546 <br />Table 11.4-2 <br />Max Considered Short <br />Earthquake <br />S Ms = Fa Ss <br />1.272 <br />Equation 11.4-1 <br />Max Considered 1 <br />second Earthquake <br />Sm, = F„ S, <br />0.702 <br />Equation 11.4-2 <br />Spectral Response Acc <br />S os = 2 S MS <br />0.848 <br />Equation 11.4-3 <br />3 <br />Spectral Response Acc <br />S p y= 2 S M 1 <br />0.468 1 <br />Equation 11.4-4 <br />.3 <br />