supply of axka501- gas detector , design , manufacture , assembly , painting , inspection , testing , tagging , trial shop assembly , documentation and preparation for shipment of the axka501- gas detector as specified in the scope of supply list in material requisition along with all accessories , erection & commissioning spares , special tools & tackles and third party inspection for br9 expansion project for iocl barauni refinery as specified in material requisition . , gas detectors with calibration kits:- 301-hc-001 to 301-hc-014 , hooters ( audible alarm ) :- 301-aa-001 to 301-aa-004 , beacons ( visual alarm ) :- 301-va-001 to 301-va-004 ( 2 nos blue colored and 2 nos red colored ) , mandatory spares - as per mandatory spares philosophy mentioned in material requisition for sr . no . 1 . 01 , mandatory spares - as per mandatory spares philosophy mentioned in material requisition for sr . no . 1 . 02 , mandatory spares - as per mandatory spares philosophy mentioned in material requisition for sr . no . 1 . 03 , charges for site calibration services for axka501- gas detector as specified in material requisition . , per diem charges for upto 8 hours work on normal working days . , overtime rate / hour beyond normal 8 hours work on normal working days . , overtime rate / hour for work on weekly off days / holidays ( as applicable to refinery site ) . , charges for 2 years operation and maintenance spares for axka501- gas detector bidder to provide spares price breakup in 2 years spares boq2 sheet .