Replacement of worn-out components of 914 mm dia Reflux valve and Sluice Valve installed at Rising Main No 1 at Tawi pump House RTIC Jammu

Amount

Reconditioning of 914 mm dia. sluice valve and reflux valve installed at Rising main no.1 at Tawi Pump House Jammu by way of cutting rusted Nuts and Bolts of dismantling joint /distance piece or cutting MS rising main from one side and then holding 914 mm dia. Reflux valve with the help of Hydra crane using sling and then sluice valve, opening nuts and bolts of the reflux valve/sluice valve, lifting them, moving them to the workshop by loading into the mechanical transport and shifting to the workshop.

Extracting out worn-out components Viz flaps, flap pins, bushes, bypass arrangement such as valve and pipe, nuts and bolts from the reflux valve of PN rating 1.6. Cleaning the valve from inside as well as outside and making inside surface smooth with emery paper by removing rust, clay. Providing and fitting of Two Nos. Doors (side) along with door rings as per sample, seat rings -3Nos, doorring of GM for thirddoor and other allied items such as HT nuts and bolts suitable for pressure rating PN 1.6 as per sample. The job includes fitting of flap rings and seat rings by properly riveting with their respective components using rivets of suitable required material so that ringsfirmly secure with the body/door and with stand requiredworking pressure. The size and material of parts should be as per original. Inlet and outlet shell of the body shall be fitted by providing high quality gasket, glandpacking, adhesive and HT bolts and nuts. New parts fitted should be of high quality and grade to withstand maximum working pressure. The job also includes fitting of one no new bypass valve as per sample. Complete job includes cost of material and labour charges.

Reconditioning of 914 mm dia. sluice valve dismantled from the rising main by way of dismantling of wheels and spur gear and pinion on the top of the sluice valve. Dismantling the top cover of the sluice valve after cutting damaged nuts and bolts with gas cutter. Dismantling and extracting worn-out/damaged components viz stem rod, stem Nut, flap as per sample, flap pins, Face rings, nut and bolts etc. Cleaning valve from inside and making surface smooth by using emery paper removing dust, clay. Fabrication and fitting of flap rings on both side of flap of Gun metal as per sample, Providing and fitting New Stem Nut and applying fresh grease to the gear, providing and fitting of new spindle supporting top collar, Body rings, HT bolts and nuts along with allied items. Finishing and polishing seat portion to required size. Assembling sluice valve using new items /parts in place of damaged ones. Top body cover is to be fitted using high quality gasket, gland packing and adhesive and new nuts and bolts. The new parts fitted should be high quality and grade to with stand maximum working pressure. Complete job includes cost of material and labour charges.

Loading of newly fabricated and repaired component in the mechanical transport and shifting back to workshop and unloading at site with the help of crane.

The job involves providing and fitting of new HT bolts -24 Nos. of flanges as per sample. Job involves deployment of crane for holding and the placing sluice valve and reflux valve at proper position and fitting sluice valve and reflux valve on the rising main by providing and fitting of HT nuts, bolts, washers, rubber insertion sheet between two mating flanges, after making proper alignment and finally fitting distance piece between sluice valve and reflux valve. Complete job includes hire charges of crane, manual labour and material required and charges of all tools and tackles required for execution of job.

M/S TRIKUTA ELECTRICAL AND MECHNICAL WORKS

BEE AAR ENTERPRISES