supply of isi marked centrifugally cast (spun) ductile iron socket and spigot pipes required for the work improvement of w/s to padampur nac under amrut 2.0 swap-iii , supply of isi marked centrifugally cast (spun) ductileiron (k-7)socket & spigotpressurepipesin standard length with inside cement mortar liningandexternalbituminouscoating conformingtois8329:2000andits subsequent amendments & isi marked sb/epdm rubber gasket (is:5382) for push-on type flexible joints of di pipes as per requirement, local delivery at consignees’ stores at sambalpur.the rates shall be inclusive of cost of all materials, inspection charges, transportation (including insurance charges, packing & forwarding charges, cost of-handing- loading-unloading-stacking at consignees’ store sites, etc.|), all complete. the rates to be quoted shall remain firm andfixedtillthe date of completion of supply. (cost of rubber gaskets shall be inclusive in the cost of pipes of different diameters.) , 250mm dia di (k-7) pipe , 200mm dia di (k-7) pipe , 150mm dia di (k-7) pipe , 100mm dia di (k-7) pipe