The framing plan for a pavilion roof structure is shown below. The composite concrete and steel deck weighs 50 PSF. The required live load for the roof is 50 PSF because people will be able to access the roof. t 50 E 301 The maximum moment in the two main steel beams is: COMPOSIT CONC / STEEL u DECK 3" OVER 2. OPEN WEB STEEL JOISTS 510... (TYPICAL) MAIN STEEL WIDE-FLANGE BEAMS COLUMNS. TUBE STEEL 22,500 foot pounds O 75,000 foot pounds O 93,750 foot pounds None of these O 15,000 foot pounds If the four columns were moved to the outer corners of the structure, would the stress on the beams decrease or increase? O Decrease Increase The designer want to use 12" deep wide flange steel for the two meain beams. Which of the following W sections would be most efficient and work in bending? O W 12 x 53 W 12 x 30 W 12 x 26 O W 12 x 65 O W 12 x 40 If the soil bearing capacity is 2,500 PSF, how wide will each of the four square footings at the base of the columns need to be? 8 feet O 10 feet O 6 feet O 4 feet O 2 feet