Repairs of 05 cusec discharge 75 HP VT pump and motor of unit III along with allied works at LIS Katal Batal and repair to pumping machinery of pumping unit II, replacement of suction pipe of unit III and other allied works at LIS Giddar Galian.

Amount

Repairs of 05 cusec discharge 75 HP VT pump and motor of unit-III along with 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, motor, 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 unscrewing/cutting of 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- 02 sets out of SS rod as per sample. Repairs to Ist & 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 and rebuilding 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 01 Nos. along with rubber bush as per sample and 02 Nos rubber bush for other two Nos 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 01 No sleeve for line shaft by making internal threads of 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. Dismantling of 75 HP VT motor at workshop after unscrewing the lock nut and check nut. Taking out the bearing/flywheel cover assembly using tool and tackles. Extracting the rotor from stator and then ratchet assembly, dismantling the ratchet assembly to extract the old damaged bearing Repair to rotor shaft by way of welding turning, threading and finishing to required size suitable for bearing size. Providing and fitting of bearing 6311 to non-driving end and 7320 (1set of two No.) to driving end i.e ratchet assembly along with seal and proper greasing. Reassembling of motor by P/F of Bakelite terminal plate along with brass nus and bolts. Installation & testing of motor at site after making all the electrical connections by P/F of new thimbles of appropriate rating/ size. Assembling back the rotor into stator and then retched assembly of motor. Complete job includes cost of material and labour charges. Loading the repaired pump and motor along with line shafts 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. The complete job includes cost of material, carriage, fitment charge and testing on full load of unit No III at LIS KatalBatal. Bidders are advised to visit the site before quoting the rates and offer the requisite rebate on old material

Rebate on Old Parts

Repair to pumping machinery of pumping unit-II, replacement of suction pipe of unit III and other allied works at LIS Giddar Galian.

Carriage and shifting of 3 cusec discharge HC pump and 20 HP motor of unit-II by way of dismantling from base frame and decoupling from motor shifting to nearest road side to head load /nearest roadside using manual labour, loading in mechanical transport, carriage to workshop for repairs After complete repairs back shifting of pump to site of installation at Giddar Galian. The job includes labour charges, hire charges of vehicle (to & fro)/carriage, loading and unloading & all the tools and tackles required for executing the works. Repairs to 3 cusec discharge pump at workshop by way of extraction of damaged parts. The job involves repair to impeller by way of brazing, turning and finishing to size. Repair to pump shaft by way of re-metalling, turning and finishing to required size. P/F of new gland bushes (GM/SS)-02 Nos., impeller wearing rings-02 Nos., check /lock nuts 02 Nos, bearing No. 6305-02Nos and new CI gland plates and sleeves 2 no. The job includes replacement of gland packing, greasing, rubber sheet joint, cost of material and labour charges. Dismantling of the damaged 20 HP motor at workshop for repairs to rotor by way of rebuilding, turning of the rotor shaft and finishing to bearing size, making new keyway for coupling, P/F of new bearings-6309, 6310 and sleeves (DE & NDE). P/F of bearing end cover plate 01No. Complete greasing of the bearings and assembling the rotor and stator. Complete job including cost of material and labour charges. Installation of the repaired pump on base frame with proper greasing of motor and alignment after coupling it with motor. by providing and fitting of new coupling nuts and bolts along with bush and testing on full load. The job also involves aligning of suction and delivery end and fitting them with pump body by p/f of rubber sheet joint along with new nuts and bolts Complete job includes cost of material and labour charges. Repair to foot valve of 8” f of unit No II& III by way of Dismantling of suction line and extracting the suction pipe along with foot valve from the canal dismantling the foot valve at site, providing and fitting of leather sheet cut to size along new nuts and bolts of required size. Fitting the foot valve with suction pipe by P/F of rubber sheet joint along with new nuts and bolts of required size. Lowering down the suction pipe with foot valves in the canal and the aligning the suction pipe with other portion of suction and fitting it by P/F of rubber sheet joints along with new nuts and bolts at site. Providing and fitting of suction pipe of 8” f approximately a length of 5feet along with flanges 02Nos welded to both the end of pipe along with new nuts, bolts and rubber sheet joints of required sizes for unit No. III. Job involves cutting of old rusted suction pipe from one side and dismantling from foot valve side by cutting the old rusted nut bolts then extracting it out of the canal with the help of manual labour using required tools and tackles/crane/ chain pulley block arrangement, then welding of one no flange of 8” dia to existing suction pipe to match with the new pipe flange. The job also include providing and welding of 2” dia pipe pieces of 1’ length each to suction line of priming unit to increase the suction length of priming unit. Complete job includes cost of material labour charge and hire charge of welding and cutting set at Giddar Galian. Providing and fitting of electrical wiring at LIS Giddar Galian by way of point wiring for four no. light points and two no. flood lights with 1/1.5 sq mm or equivalent copper cable for light / socket points inside and outside pump room building in casing / capping or surface conduit. The job also includes providing and fitting of switch board, switches, sockets, holders, back sheets, LED bulbs and other fittings required for the purpose. Providing and fitting bulb holder-04 no., switches, sockets, LED bulbs-04 no., switch board-1 no., led flood light 50 watt-02 no. standard make. The job includes providing and laying of 2.5 sq. mm multi-strand copper cable-12mtr approx. from main switch to the lighting switch board in casing capping / conduits and providing and fitting of 16 ampere SPN-01 no. Job includes fastening of cables/conduits by using wooden/plastic gutties/gang boxes, screws, clamps, drilling holes in the walls for crossing of the cable and other works required for execution of the job. The job includes cost of material, hire charges of tools and tackles required for the job including labour and carriage charges.

Rebate on Old Parts

NATIONAL ELECTRO-MECH COMPANY

PERFECT ELECTRICAL WORKS

BEE AAR ENTERPRISES