Draw the front, top and RHS views of the bracket (dimensions given: 100, 64, 32, 30, 20, 58, 12, (40), 2-Ø24, Ø20, R20, 2-R12). Take 30 as the hole pitch, 20 as the distance of the hole centres from the end, 32 as the distance of the lug hole from the web, and (40) as the web width (a reference dimension, not used to construct).