49/MID/AN

Reconditioning / Strengthening of 500 mm dia C.I. single door type N.R.V installed at 500 mm Dia. delivery line of 20 cusecs discharge V.T. pump of L.I.S. Rajal by way of disengaging the valve from delivery pipe by unfastening/cutting the nut bolts of N.R.V, R.F. flange, joining the delivery line, dismantling and separating all the components of N.R.V for execution of repairs, replacement, reconditioning all its components i.e. door hinges, brackets spindles, bushes, all type of nuts, bolts, leaded bronze seat rings along with repair, reconditioning of bypass system. Assembling and fitting, installation of N.R.V to the delivery pipe line after complete leveling, alignment with the delivery pipe line with replacement of nuts and bolts, N.R.V’s R.F. flanges, joining the delivery pipe line which ever found unserviceable. Replacement of all the jointing stuff. Complete job with testing, commissioning including all types of carriages, transportations involved deployment of heavy duty tool tackles, mechanical equipment arrangement reqd. for execution of works skilled and semi skilled labour deployed for execution of job/handling the components. Complete Job.

Reconditioning / Strengthening of 500 mm dia. sluice valve installed at delivery lines of 20 cusecs discharge V.T. pump of L.I.S. Rajal by way of unfastening/cutting the nuts, bolts of flanges, joining the delivery line. Dismantling and separating all the components of sluice valve for execution of repair, replacement, reconditioning of all its components such as spindle rod, spindle nut and gate flap C.I. gland etc. Also reconditioning of flap and housing seat of valve and then finishing to the reqd. size for complete leak proof system and smooth functioning of upward and downward movement of the gate flap. Also repair, servicing of hand wheel, gear system. Assembling, fitting and installation of sluice valve to the delivery pipe line, replacement of nut and bolts flanges, joining the delivery pipe line which ever found unserviceable. Replacement of all the jointing stuff/packing stuff. Complete job with testing, commissioning including all types of carriages, transportation involved, deployment of heavy duty tool and tackles, mechanical arrangement reqd. for execution of works, skilled and semi skilled labour deployed for execution of job/handling the components. Also repair, reconditioning of the bypass system. Complete Job.

Reconditioning / Strengthening the 750 mm size multi-door type N.R.V installed at 750 mm Dia. Rising Main of L.I.S Rajal by way of disengaging the valve from Rising Main after opening/cutting the rusted nuts, bolts of N.R.V, R.F. flanges, jointing the rising main line and then splitting the two halves of the N.R.V by cutting /opening all rusted nuts bolts of periphery. Dismantling and extracting the internal Components and stacking them properly for execution of repairs, replacement, reconditioning of all its components i.e. door hinges, bracket, pins, bushes, all type of nuts bolts leaded bronze seal rings along with repair/reconditioning of complete by pass system, Assembling/fitting/installation of the N.R.V’s to the rising main after complete leveling alignment with the rising main with replacement of all nuts, bolts of N.R.V, R.F. flanges, joining the rising main and that of N.R.V’s properly which ever found unserviceable. Replacement of all the jointing stuff. Complete job with testing commissioning including all type of carriages, transport involved, deployment of heavy duty tools and tackles, mechanical arrangement reqd. for execution of works skilled and semi skilled, labour deployed for execution of job/handling the components. Complete Job.

Strengthening of dresser coupling 500 mm dia installed at delivery line of 20 cusecs discharge V.T. pump of L.I.S Rajal by way of dismantling and disengaging of dresser coupling from the delivery line of the pumping unit with the help of special heavy duty tools and tackles. Repair to the unit rods and there nuts at the threaded portion. Providing and Fitting of nitride rubber seal set in place of worn out assembling, refitting the dresser coupling on the delivery line in proper alignment, leveling with Providing and Fitting of packing stuff, nuts, bolts, washers and limit rods in place of worn out unserviceable to make it leak proof system. Job including cost of material and labour charges and deployment of tools and tackles. Complete Job.

Plugging the leakage of 500 mm dia. delivery M.S. pipe of 20 cusecs discharge V.T. pump installed at L.I.S. Rajal by way of strengthening the 06 Nos. leakage welded joints by providing rich layers of M.S. welding both longitudinal and peripheral for complete plugging the leakage portions. Also unfastening nuts / bolts of flanges joints of Y-junction of delivery manifold of pumping unit No. 1 and 2 and 3 and 4 . Joining of 500 mm dia. delivery pipes from one side and 750 mm dia. rising main from other end. Removing of old R.I. Sheet joint packing stuff from the flanges of 500 mm dia. pipe and 750 mm dia. pipes. Providing of new R.I. Sheet packing stuff between all the flange joints. Properly tightening all the nuts, bolts to ensure leak proof system with replacement of worn-out nut, bolts, washers including cost of material and labour charges semi skilled labour for handling the Y-junction and delivery pipes for maintaining the leveling and alignment of pipes. Job also includes re-strengthening the 6 Nos. Leakage welded joints by providing rich layers of M.S. welding both longitudinal and peripheral welding for complete checking the leakage of 500 mm dia. pipes of delivery manifold of pumping unit no. 1 and 2 and 3 and 4. Plugging the leakage of 750 mm dia. M.S. Rising Main installed at L.I.S. Rajal by way of re- strengthening the 05 Nos. leakage welded joints by providing rich layers of M.S. welding bolts longitudinal and peripherical welding for complete plugging the leakage portion.Complete job including deployment of tool and tackles such as welding set etc. Complete Job.

Chargotra Trading Co.

R K Electrical and Engineering Works