supply of 1) 1/2 , 1/2 od x 1/4 bsp (f) female elbow connector as per drg. no. icf/std 3-5-093 item 3, alt. f [ warranty period: 30 months after the date of delivery ] ] , swivel elbow 1/2 od as per icf drg.no: icf/std-3-5-022 item no.3, specification as per :-ic f/md/spec-166 (with latest revision/amendment).specification/drawing of the item: icf/std-3-5-022 item n o.3, specification as per :-icf/md/spec-166 (with latest revision/amendment) [ warranty period: 30 mont hs after the date of delivery ] ] , union tee 1/2 o.d drg.no.icf/std 3-5-018, item no.1.,spec. icf/md/spec-166 [ warranty p eriod: 30 months after the date of delivery ] ] , male elbow connector 1/2 od x 1/4 bspt as per drg. no-icf/std-3-5-023,alt-j, item no-14. [ warranty period: 30 months after the date of delivery ] ] , male connector 1/2 od x 3/8 bspt to drg no.icf/std-3- 5-016 alt. d item-1 [ warrant y period: 30 months after the date of delivery ] ] , one set of double ferrule fittings required for lhb coaches consisting of following: (1) male el bow connector (conical seating) 3/4 inch od x m26 x 1.5(m) to drg. no. icf/std-3-5-137 item-(1)- qty.- 4 nos. per set (2) bulk head male connector (with conical seating) 3/4 inch od x m26 x 1.5(m) to drg. no. l wscwac-3-2-005 item-1-qty- 4 nos. per set. [ warranty period: 30 months after the date of delivery ] ] , union elbow 1/2 od. icf drg no. icf/std 3-5-017 alt-a item-1 [ warranty period: 30 m onths after the date of delivery ] ]