• Erection of pipes and supports including flanging, welding, fixing of valves. Erection of pipes shall be carried out in such a way as to prevent any over stress on pipes or the equipment to which they are connected. SUBCONTRACTOR shall install adequate temporary pipe supports and dummy spools where final supports and interfaces are not available. SUBCONTRACTOR shall take all necessary precautionary measures to prevent damage to stainless steel, copper-nickel and Glass Reinforced Pipe (GRP) during the construction phase of the WORK. Pipes shall be protected against fall of loads, impacts, welding sparks, etc.