Refer to figure CBM 10.03. Material Strength: fc' = 27.5 MPa fy = 415 MPa Clear concrete cover to 12 mm diameter stirrups is 40 mm. bw Figure CBM 10.03 P 1. Using 280 main reinforcement bars, which of the following gives the required minimum width of the beam (mm) base on code requirements for concrete cover of rebars? A. 344 B. 316 C. 356 D. 304