Repairing of 500 mm dia gear s/v and replacement of 500 mm dia butter fly valve with providing and fixing of new s/v and other repairing work at Gaughat pump house no. 1

Amount

Repairing of 500 mm dia main gear sluice valve Gaughat pump house no. 1 by making of new main ger pinion of M.S. cap on ipnion to sluice valve, operation key used for operating opening & closing key used forging, matching & creating tooth by oiling of gear, changing of new gearing of pinion, refitting by lowering with the help of chain pulley block and manual labor in the body of sluice valve tightening with rubber sheet including cost of nut bolt, rubber sheet, gland rope, greaising, transportation and labor work etc also dewatering is done with the help of Honda pump and D.G. set with cost of POL and testing after completion etc. Complete Job

Labor only for opening of 900 existing 300 mm dia D/F bend fitted with clear water H.P. pump suction site at clear water sump Gaughat plant by beugring by try pot and chain block care fully on sump slabe with ISMB support. Cutting of old rusted nut bolt by gais cutter with all risk of labor i/c transportaion of T&P loading unloading.

Opening of bend and dismenteling taking out damaged rubber lnsertion. Providing of new rubber insertion 6 mm thick best quality with 100×20 mm thick full threades nut bolt best quality 12 & 24 nos of spring washer fitting with 300 mm dia suction distance piece with trail & testing all tolls and plants. Complete.

Labor only for leakage repairing of 300 mm dia pumping main tee joint with s/v chamber at Gaughat plant i/c labor T&P etc leakage proof.

Continious Dewatering of leakage water by pump

Cleaning of silt in chamber by manualy labor taking out of material out of chamber.

Opening of mechanical clamp and rusted old nut bolts by gais cutter.

Providing of new rubber ring 30 mm dia thick and 12 mt. long with 300 mm long 16 mm dia sluds 8 nos with washer i/c fitting of existing meahanical clamp providing lead wool and cocking of Hamp ROP with all labor T&P etc complete.

Manufacturing of S/V operation key make by heavy duty M.S. pipe 40 mm dia as per site measurement with cap making on lathe machine as per s/v spindle measurment

RCC sleeper 300 × 150 × 150 with 10 mm bar rainforce cement loading unloading fitting on s/v chamber wall complete.

Dismentling of 250 mm dia spiral type 250 mm dia dismential joint fitted with NRV and pump delivery i/c providing and fitting of 250 mm dia M.S. flange tail piece 150 mm long and 200 mm long with rubber sheet nut bolts etc complete with all T&P etc.

Dismentling of existing 500 mm dia unservicable butter fly valve fix in 500 mm dia pumping main pipe line near pump no. 1 by the help of hydra cutting by gais cutter M.S. tail piece taking out from chamber.

Dewatering by Honda pump with pump & operator i/c cleaning of mud & garbage and taking out of material from chamber by manually labor.

Labor only for fitting of new 500 mm. dia. s/v (providing by department) by the help of hydra machine, chain block, trypot with tail piece, flange i/c rubber sheet, nut bolt & welding joint by electric welding leakage proof as per site condition trial & testing of labor & transporting T&P complete.

Excavation muddy soil leakage repairing of 500 mm dia D.I./C.I. pipe line socket joint by departmently JCB & cleaning of mud by manual labor below of pipe line as per required of site condition i/c searching of leakage & back filling by excavated material.

Continious Dewatering by Honda pump during the work with fuel & operator.

Providing of hamp rope & lead wool i/c labor charges for cocking of above material for resistance of water leakage.

Providing & fixing & tightning of 500 mm dia M.S. mechanical flange type leakage protection clamp suitable for C.I./D.I. pipe line (one pair in four part with 45 cm long studs) by the skilled labor & testing it at adequate pressure i/c cost of rubber gasket, nut bolts etc. complete.