it consists of a rigid welded frame of two vertical 40NB pipes connected by two 32 NB pipes as horizontals. Two pieces of 50 NB pipes are welded at top of the frame to accommodate the bottom of another similar frame. The frames are Interconnected by Scissors cross braces (20 NB "L") through pins welded on frames and locked in position by spring clips.
Standard H-Frames :
2000x1250, 1500x1250. 1 000xsoo or as per client's requirement H-Frame with 50 NB verticals are suitable for staging heavier structures.