tender for supply of corrosion coupon holder for pfcc unit for nrep , corrosion coupon holder for pfcc unit design, engineering, manufacture, assembly, inspection & testing and supply of corrosion monitoring system including mandatory& commissioning spares, installation supervision as specified in mr , tag no. 1p25-sp-30001 corrosion coupon holder for pfcc unit- 1 no. corrosion coupons (installed) - 1 no. start-up and commissioning spares - 1 lot mandatory spares: corrosion coupons - 3 nos , charges for site supervision of erection/ installation of corrosion coupon for pfcc unit , 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). , corrosion coupon holder for pfcc unit design, engineering, manufacture, assembly, inspection & testing and supply of corrosion monitoring system including mandatory& commissioning spares, installation supervision as specified in mr , tag no. 1p25-sp-30001 corrosion coupon holder for pfcc unit- 1 no. corrosion coupons (installed) - 1 no. start-up and commissioning spares - 1 lot mandatory spares: corrosion coupons - 3 nos