, supply of pre fabricated automated let down stations , lcf hp / ht separator liquid let down valve skid details as per material requisition , lcf mp / ht separator liquid let down valve skid details as per material requisition , lumpsum cost of mandatory sparesfor boq sr no 1.0 &2.0 ( scope as per material requisition ) , training charges ( per diem rate ) for boq sr no 1.0 &2.0 ( scope as per material requisition ) , 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 )