supply of isi marked centrifugally cast ( spun ) ductile iron socket and spigot pipes in connection with the work improvement of water supply to rairakhol nac. , supply of isi marked centrifugally cast ( spun ) ductileiron ( k-9 ) 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. ) , 300mm dia di ( k-9 ) pipe , 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. ) , 100mm dia di ( k-7 ) pipe , 150mm dia di ( k-7 ) pipe , 200mm dia di ( k-7 ) pipe