(a) Select the lightest available W shape (A992) to resist the total service tension load of 150 kips including dead load - 50 kips and live load-100 kips in accordance with the 2016 AISC LRFD. For the U factor, use the suggested value in AISCS Table D3.1. The member is 18 ft long and the H.S. bolts are %-inin standard holes. Note To list at least 3 reasonable W shapes (W6, WR, and W 10) Gusset PL Req'd A, (in 15) 00 Req'd factored force, T., (kip) [5] Req'd A, (in [5] 3 legitimate W shapes [15] Final recommended W shape [5] Ag. (in [5] Governing R. (kip) [10] O 304" (b) For the concluded W shape, what would be the U factor according to Case 2 of AISCS Table D3.1? (Hint: Determine x based on Fig C-D3.1 of AISCM p. 16.1-300) P.(kip) 151 Summary (P2) (This table must be provided with detailed supporting calculations followed; or no grade will be given) U [15] Precision required: To 1 decimal pt.: Part a Suggested U [5] O O id-41/2 Part b 4 +1d-4/2 To 2 decimal pt. BSR L.S. Show the rupture zone in the calculation body [5] A. (in A (in [8] Prov'd A, (in) [5] Req'd A, (in [5] 220.0 P.>T.? (Y/N) (5) Controlling U (Y/N) [5] Req'dr (in) 15) [2]