Question 2 (Mott, 2006) (20 marks) The figure (below) shows a pipe delivering water to the putting green on a golf course. supply a sprinkler system. The pressure in the main is at 80psig and it is necessary to maintain a minimum of 60psig at point B to adequately. Although not shown in the drawing, the system contains the following fittings: - a fully open gate valve near the water main - A fully open butterfly valve near the green (but before point B) - Three standard 90 elbows - One swing-type check valve Specify the required size of Schedule 40 steel pipe to supply 0.5ft3/s of water at 60F