06/MID/AN

Strengthening / Restoration / Replacement of worn out defective components of the 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 no. 1,2,4 &6. Dismantling the top cover bolts of the 500mm dia NRV at site and extraction of different components of the NRV. Repair/ Strengthening of components of NRV at workshop such as door hinges, bracket spindles, bushes all types of nuts, bolts, leaded bronze seat rings. Then strengthening, reconditioning, updating of the damaged components by replacement of door hinges, flapper rod and leaded bronze seat rings, Strengthening of flapper ribs by welding. Also repairs / reconditioning of the by- pass system for smooth functioning of the NRV. Assembling, fitting and checking operation at site. Complete job of repairs including cost of material required, labour charges, hire charges of special tools and welding set required during execution of the job at site etc.

Strengthening / Restoration / Replacement of worn out defective components of the 900 mm dia multi-door type N.R.V installed at 900 mm Dia. Rising Main of L.I.S Ranjan. Dismantling of the top main hole of the NRV for checking the positions of the flapper doors of the NRV. After that DE-watering of the 900mm dia NRV with the help of de-watering pump and then dismantling the doors of the NRV with the help of tri pod stand and chain pulley block. After dismantling the defective components of the NRV. 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 system. Provision for extraction of the doors from the NRV by way of cutting of 900mmdia rising main with the help of gas cutter of proper size and then after repairing of the doors and then fitting the doors in proper position. Welding the cutting portion of the 900mmdia rising main with good quality welding electrodes, welding is to be carried with proper layering in two lyres after removable of flux after that putting the extra sheet welded over it of appropriate size and specification. Assembling/fitting of the components of N.R.V’s complete leveling alignment with the rising main with replacement of all nuts, bolts. 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.

TRIKUTA ELECTRICAL AND MECHANICAL WORKS

BEE AAR ENTERPRISES