supply of set of flange and clampset of flange and clamp,set of flange and clamp for water pipe line/drain system of coaches consisting of 4 ite ms:- (1) flange for chute pipe for lavatory size: 180 x 130 x 3.15mm to sk. no. llh-45/78, item no.-2, alt no. 5(five) qty/kit-8 nos. (2) clamp for wall protector for lavatory to sk. no. llh-45/78. item no -3. alt no.-5(five). qty/kit-7 nos. (3) clamp for chute pipe for lavatory to sk. no. llh-45/78, item no.-5. al t no.-5(five). qty/kit-16 nos. (4) funnel for chute pipe for lavatory to sk. no. llh-45/78. item no -7. al t no.-5(five). qty/kit-7 nos [ warranty period: 30 months after the date of delivery ] ]