supply, erection and commissioning of sprinkler system at balance area of ash dyke ( lagoon 2 ) of 2x660mw, stage ii, sstpp, mppgcl, dongalia , scope of supply ( note-all supply material should be isi mark ) , hdpe pipe of 90mm outer diameter ( id-75.70 mm, thickness-7.25 mm ) pn10 each pipe is of standard 6 meter in length. material grade pe-100 with special high pressure hde mlc & mec, zinc plated ms latch & clamp with handle set to be connected with hdpe pipe to make is portable with complete set of rsr & sq. ring. , coupler for joint hdpe pipe with main line of water. , hp sprinkler nozzle of area coverage-50m dia., flow 12m3 / hr at 5kg / cm2, sprinkler size-75mm along with all accessories for sprinkler nozzles. , sprinkler tripod ( heavy duty ) with 1.25” x 30” long gi riser pipe. , ball valve for isolation of sprinkler nozzle with riser pipe body-astm a 351 gr cf8 / cf8m , ball-astm a 351 gr cf8m, stem-aisi 304 / aisi 316, mfg std-generally conforming to bs5351, testing-bs 6755, lever-aisi 304 with pvc sleeve, end –screwed to bsp, size:1-1 / *4” ( 32mm ) , nut & bolts m 16x75 mm , gaskets, size: 80mm , 80 nb plug valve , class-150, pressure rating-20 kg / cm2, end connection: flanged end with matching flange, medium : ash contaminated water, operation : lever operated, body:astm a216 gr wcb , plug : astm a216 gr wcb case hardened along with associated fasteners. , scope of work , fabrication of portable ms stand / stool for hdpe piperesting and clamping , excavation work, erection and commission work, complete pipeline lying fitting along with nozzles- as per detailed scope of work ( total work completion period: within 20 days after handover of site )