procurement of set of rubber hose,set of rubber hose copnsisting of one no.each for air suspension system of emu /demu motor & trailer coaches (i)from bellow to levelling valve,size:20 mm bore x 550 mm long to icf drg. no. dc/emum/ asr-0-5-009 item no. 1, alt-j (ii) from bellow to reservior, size:20 mm bore x 450 mm long to icf drg. no. dc/emum/asr-0-5-009, item no. 6, alt.-j. icf drg. no.dc/emum/asr-0-5-009, item no.1 & 6, alt.-j(rds o spec. no. spec.02-abr-02 appendix-f with amend. no.01 of feb 07). [ warranty period: 30 months after th e date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]