Repairs of 05 cusec discharge 75 HP 2 stage VT pump of unit-III along with other allied works at LIS KatalBatal.

Repairs of 05 cusec discharge 75 HP 2 stage VT pump of unit-III along with other allied works at LIS KatalBatal.

Dismounting of 75 HP motor from base frame and extraction of 05 cusec discharge 02 stage VT pump of unit-III by way of disconnecting the motor connections, dismantling and extraction of discharge head, the column assembly pipes 8” dia, spider guides, line shafts, pump shaft and bowl assemblies. Head load carriage of pump, line shafts and other material to road side up to loading point with the help of skilled manual labour and then loading into a mechanical transport for carrying to work shop for repairs with the help of crane/tools, tackles using manual labour. Complete job includes cost of labour, carriage charges and hire charges of tools and tackles. Dismantling the 2 stage VT pump by way of cutting the rusted bolts, nuts and studs and separating the discharge bowl, suction bowl from pump body and then dismantling the two stage pump to extract the damaged impellers and pump shaft. Repairs to 05 cusec VT pump by way of repairs to suction bowl body by way of metalling, turning, finishing of intake fins and grinding them to size as per requirement. Providing/ fitting of neck ring of stainless steel material- 02 Nos. by casting, turning and boring to the required size and press fitting the same in the bowl body and pump body then locking properly. Repair to pump shaft by way of welding turning and finishing to required size and then threading it and making of key way on shaper to the required size of precision. Fabrication of impeller holding lock ring- 01 set out of SS rod as per sample. Repair to Ist and IInd stage impeller by fabrication of 1 No. neck ring for each Impeller and then press fitting it on the Impeller and locking it properly andrebuilding the worn out portion with machine able SS electrode and turning, machining it to its original shape and size. Repair to stuffing box by providing and fitting of new bronze bush as per sample to required size after metalling, finishing and drilling holes and making internal threads on stuffing box as per requirement. Repair to top shaft by way of rebuilding with machine able SS electrode at worn out portions and then threading and making key way on shaper to the required size. Fabrication of new check nut of given size. Providing and fitting of new CI spider guide 02 Nos. along with rubber bush as per sample and 01 No rubber bush for other one No spider guides. Fabrication/ providing and fitting of 04 Nos body bushes. Repairs to 02Nos line shaft by way of welding, turning and making threads as per sample. Providing and fitting of 02 No sleevealong with one no line shaft and threadingthem to required size. P/F of rubber sheet joints for flanges 05 Nos cut to required size. The job includes fitting of the pump using new nuts and bolts/ studs. Complete job includes cost of material and labour charges at workshop. Loading the repaired pump along with line shafts and allied material into the mechanical transport using crane/tools, tackles with the help of manual labour at work shop. Unloading the same at road site at LIS KatalBatal using crane/tools, tackles with the help of manual labour. Carriage to the site of installation through head load using tools and tackles with the help of skilled labour. Lowering down the pump into the sump by connecting the line shaft and suction pipes one by one ensuring proper alignment by way of P/F rubber sheet joints for four nos suction pipe and one no pump along with new nuts, bolts of required size. Mounting the motor on the base frame along with discharge head by way of coupling it with suction pipe and delivery line and by P/F of gland packing, grease, M.oil and rubber sheet joint cut to required size along with new nuts and bolts. P/F of Bakelite terminal plate along with brass nuts and bolts and making of all the electrical connections by P/F of new thimbles of appropriate rating/ size. The complete job includes cost of material, carriage, fitment charge and testing on full load of unit No III at LIS KatalBatal. The job also involves providing and fitting of rubber sheet joint for flange of 16” dia vertical rising main by way of cutting the rising main at 2’ below the flange joint using stair/ other allied tools and tackle with the help of gas cutter then cutting the rusted nuts and bolts from the flange joints. Providing and fitting the rubber sheet joint cut to required size along with new nuts and bolts. Then welding the other end of rising main by providing a wider layer of welding or by welding a metal strip around the rising main. Also plugging the leakage of manifold by way of welding the wider layer at leakage points. Complete job include cost of material, labqour charge, hire charges of welding set, gas cutter and othe tools and tackles required for the execution of works Note: The tenderers are requested to visit the site and quote the rate including the rebate on old material as per site conditions. Any modifications/ alterations of the job, absolutely necessary if required at the time of execution may be done as per actual site conditions

Rebate on Old Parts

G S ENGINEERING WORKS

M/S TRIKUTA ELECTRICAL AND MECHNICAL WORKS

BEE AAR ENTERPRISES

BEE AAR ENTERPRISES