psa package design, engineering, manufacturing, procurement of materials and bought out components, assembly at shop, testing at manufacturers works, inspection by tpia, packing, supply of psa package , design, engineering, procurement, manufacturing , inspection, testing, painting , packing, and supply of the psa package , tag no- 1p31-z-2785 including adsorbers, tail gas drum, valve skid along with complete instrumentation, interconnecting piping, adsorbent, erection & commissioning spares and all other items scope defined in material requisition including supervision during site erection & commissioningofpsa package to be installed at numaligarh refinery limited ( nrl ) , assam. , supervision charges, ( no of days as per the above notes ) and other details as per the material requisition , unit rate forsupervision sevices of erection and commissioning / performance testing, training and periodic visits 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, training and periodic visits 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, training and periodic visits 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 ) , 2 years normal operational & maintenance spares ( as per vendor recommendation ) against item sr no - 1.00 in boq-1 ( psa package ) spare no. - 3.01 ( mention the spare name-qty-unit in unriced bid ) , spare no. - 3.2 ( mention the spare name-qty-unit in unriced bid ) , spare no. - 3.3 ( mention the spare name-qty-unit in unriced bid ) , spare no. - 3, 4 , spare no. - 3.5 , spare no. - 3, 6 , spare no. - 3.7 , spare no. - 3, 8 , spare no. - 3.9 , spare no. - 3, 10 , spare no. - 3.11 , spare no. - 3.12 , spare no. - 3.13 , spare no. - 3.14 , spare no. - 3.15