supply of pressure relief valve design, engineering, manufacturing, procurement of materials and bought out components, assembly at shop, inspection including inspection by tpia, testing at manufacturer works, packing, supply of pressure relief valves as per material requisition , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , thermal safety valve , thermal safety valve , thermal safety valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , pressure relief valve , thermal safety valve , thermal safety valve , pressure relief valve , pressure relief valve , unit rate forsupervision sevices of erection and commissioning / performance testing as per details mentioned in material requisition for quoted items as per enclosed instructions to vendor per diem charges upto 8 hrs on normal working days. ( bidders to quoteunit rate for diem charges ) , unit rate forsupervision sevices of erection and commissioning / performance testing as per details mentioned in material requisition for quoted items as per enclosed instructions to vendor overtime rate per hour (beyond normal 8 hours on normal working days). ( bidders to quote over timerate per hour ) , unit rate forsupervision sevices of erection and commissioning / performance testing as per details mentioned in material requisition for quoted items as per enclosed instructions to vendor overtime rate per hour for work on weekly off days / holidays (as applicable to refinery site). ( bidders to quote over timerate per hour ) => limited