ANSWERS :
4. a. Diameter of Pipi Size = 3 / 4 " STD Pipe.
b. Actual Outside Diameter of Pipe = 1.050 " ( Schedule - 40 ).
5. Line - P in the Top View represents surface - T.
6. 100 Pieces of materials are required.
LINE LINE CORNER 75 PUNCH OR DRILL THRU LINE SURFACE SURFACE PLATFORM BRACKET WOLDER QTY 100...