supply of channel below ramp for raised trough floor under frame as per drg: rdso/cg/drg/21009 item no 18 etc.channel below ramp for raised trough floor under frame as per drg: rdso/cg/drg/21009 item no 18 etc.,channel below ramp for raised trough floor under frame as per drg: rdso/cg/drg/21009 ite m no 18. (one set consists of 08 nos. of channels). item to be supplied with red oxide zinc chromate primer coating. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , end channel for raised trough floor under frame as per drg: rdso/cg/drg/21009 item no 19 . (one set consists of 02 nos of channels of size 47x80x47x3.15mm, length 2630 mm). item to be supplied with red oxide zinc chromate primer coating. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , channel below ramp for middle trough floor underframe, item no. 2 of drawing no.rdso/cg/ drg/21009, alt. nil or latest. item to be supplied with red oxide zinc chromate primer coating. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , additional lashing hook assembly, item no. 24 of drg. no.rdso/cg/drg/21009, as per drg. n o. rdso/cg/drg/21017, alt. nil or latest.,item to be supplied with red oxide zinc chromate primer coating. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]