Mechanical and Electrical repair works at various Lift Irrigation Schemes of MISD Handwara.

Amount

Replacement of damaged 01 cusec capacity Horizontal fully damaged pump of Khanpora LIS by old departmentally available 01 cusec capacity, horizontal, end suction pump by way of following: • Decoupling of existing damaged pump of Khanpora from motor, isolating of whole unit from all electrical circuits, disengaging from suction/ delivery sides, dismantling of unit from base frame, bringing the damaged pump on the upper contour of site, loading into private load carrier and shifting to sub divisional store at Handwara for its safe storage. • Extraction of 01 cusec capacity, end suction departmentally available pump along with 02-cylinder unserviceable diesel engine from sedimented silt, soil and sand by carrying out manual excavation at site Lachipora on the bank of TalriNalla, dragging them manually to road side to a lead of more than 300 meters, loading into private load carrier shifting the pump only to workshop for carrying out necessary repairs. Job includes unloading the above retrieved engine at sub divisional store Handwara and stacking it there for safety purpose. Charges include all handling, loading unloading and carriage. • Complete dismantling of pump at work shop, cleaning of its parts with kerosene oil to remove dirt, dust and rust from all parts and then extraction fast moving parts viz bearings, bushes etc by engaging highly skilled manpower and special tools to get them cleaned properly and adequate lubrication thereafter. Prior to kerosene wash pump assembly along with all allied parts shall be completely washed with high pressure water. • Providing and fitting of metallic palmative gland packing along with replacement of main gasket and rusted out assorted size nuts and bolts. Job also includes providing and fitting of GM cooling nipples with cooling pipe. • Assembling of pump at w/s after carrying out all required repairs/ replacements and then shifting it to site of installation [I.e. LIS KHANPORA] in a privately owned load carrier, its reinstallation at site and testing on full load. Job includes all charges for handling, loading, unloading, head loads and carriage etc. all tools and tackles required for proper execution of work shall be provided by the firm. • Modification to the available coupling of Khanpora LIS by way of extraction of coupling half from shaft of damaged/ unserviceable pump of LIS Khanpora and shifting of same to work shop for carrying out necessary modification by way of fabrication, providing and fitting of M.S Spacer of required thickness in the respective coupling hub by way of machining and finishing of coupling hub at work shop for bringing them to shaft size of pump including machining and finishing of cotter grooves duly provided with MS Cotter pins of required dimensions. • Repairs to the existing base frame of LIS Khanpora by way of welding at cracked portions and modification to the same base frame by way of providing and fitting of ISMC 75 in varied lengths (total length being 04 meters), as cross and long members, by way of welding with the existing base frame using welding generator at site for proper alignment of newly shifted pump with existing 40 HP Motor. The job is to be carried out by using welding generator set and cutter at site, which is to be arranged by the firm. Job further includes making of 08 no. holes in the newly added channel section as per requirement to accommodate mounting bolts of pump and motor. • Fabrication, Providing and fitting of 150mm to 100mm dia MS reducer, fabricated out of 5 mm thick MS plate. The length of the reducer shall not be less than 350 mm. 100mm side of the reducer shall be fitted with 12mm thick, 100mm dia MS Flange matching with that of suction flange of pump. 150 mm dia side of the reducer shall be connected with the existing suction system by way of welding using superior class welding electrodes. Job includes p/f of nuts/ bolts and RI Cloth washers for fitment of the reducer. • Fabrication, Providing and fitting of 100mm to 150mm dia MS increaser, fabricated out of 5 mm thick MS plate. The length of the increaser shall not be less than 350 mm. 100mm side of the increaser shall be fitted with 12mm thick, 100mm dia MS Flange matching with that of delivery side flange of pump. 150 mm dia side of the increaser shall be connected with the existing delivery system by way of welding using superior class welding electrodes. Job includes p/f of nuts/ bolts and RI Cloth washers for fitment of the said increaser. • Repairs to the existing 150 mm dia MS Suction pipes at worn out portions by way of welding and belting at 02 spots to arrest leakages and avoid further damages to the pipes.

Repairs to 400 Ampere OCB of Nagrimalpora Lift Irrigation Scheme by way of replacement of damaged trip coil with repairs and adjustment to shifting mechanism also. Job further includes dismantling of all contact points (both fixed and movable) cleaning and finishing the same to remove carbon deposition from them by way of filing and washing in petrol oil then refitting of same points with replacement of 03 no. moving and 01 no. fixed contact points and testing of so repaired OCB on full load.

Repairs to 300mm dia MS suction system of unit no 01 of LIS Sagipora by way of dismantling of flanged joints (05 No. Joints), by cutting out rusted nuts & bolts, handling of so dismantled pipes to shift them on the upper contour of same site near welding generator (to be arranged by the firm), for carrying out welding work to rectify leakages and repair cracked spots. Job includes laying, re alignment and refitting of so repaired pipes by way of replacing all worn out nuts/bolts and RI Cloth washers (of about 05 Joints in total). Job further includes minor repairs to 300mm dia MS foot valve by way of setting right hinge pin assembly, weight plate and providing fitting of leather washers. job includes testing of the unit on full load after complete repairs.

Repairs to 300 mm dia. MS Foot valve of Zandbatti lift irrigation scheme by way of dismantling of tail piece, bringing up tail piece along with foot valve, disengaging foot valve from tail piece. So dismantled foot valve is to be repaired by way of welding the cracked hinge pin assembly using welding machine at site, setting right weight plate by hammering etc. and replacing foot valve washer along with all worn out nuts and bolts. Job also includes repairs to the cracked spot of the foot valve at neck joint by way of welding, in 03 runs (01 internally and 02 externally) using superior class welding electrodes. Prior to welding earlier welding material shall be properly removed by filing and using hand grinder at site. The repaired foot valve is to be refitted back and tested on full load.

Manufacture, providing and fitting of MS Strainer to 10 cusec capacity, Hz Pump of Hanjishot LIS. The strainer is to be fabricated out of 12mm dia round or square bars. The nominal dia of the strainer shall be 300 mm and overall length/ height shall not be less than 350 mm, maintaining a mesh of at least two inches. MS Strips of suitable dimensions shall also be provided and fitted at the top of strainer for fitment with the 300 mm dia MS existing foot valve assembly of the said scheme. Cost include p/f of nuts, bolts and washers also. Job includes dismantling of suction pipes along with foot valve, disengaging foot valve from the end horizontal pipe piece of suction system, so that the fitting of above fabricated strainer can be carried out. Job also includes minor modification to the foot valve by way of p/f of suitable size MS Strips for holding purpose of strainer. Charges include cost on account of handling and carriage of material and welding machine to site. Job also includes refitting of suction pipes with foot valve with replacement of all worn-out nuts/ bolts and R.I Cloth washers and testing on full load after completion of the job.

Repairs to the 150 mm dia CI Foot valve of Waskura LIS by way of dismantling of foot valve by erecting a temporary gantry at site as site is without suction gantry. Repairs to the hinge pin assembly by way of welding using superior class CI Welding electrodes. Job also includes replacement of all worn out and rusty nuts bolts, RI Cloth washers and foot valve leather washer and refitting of so repaired foot valve and then testing on full load. Charges include cost on account of to and fro carriage of welding machine from work shop to site of work and back after completion of work.

Providing and fitting of LT bush rods (brass) of 19 mm dia to 250 KVA HT transformer at LIS Kandi Natnussa by way of dismantling of all the LT and HT connections of HT transformer and then dismantling of old damaged 19 mm bush rods along with bush cups at site and then P/f of new 19 mm bush rods (brass) along with bush cups by engaging highly skilled labourers of the specific trade.

P/F of 15Watt 3 N0. LED Lights (flash type) to the Vodhpora LIS of any reputed make. Job includes P/F of 2.0 Sq mm copper cable (approximately 33 mtr) along with proper taping, & on/off switches (03 No), along with allied fittings. All tools and tackles required for complete execution of the said job shall be arranged and provided by the firm except ladder which is available at site.

Repairs to the Reflex Valve (NRV) of size 300mm diameter at LIS Vodhpora by way of following series of works: • Shifting of welding machine, D.G Set and Gas Plant at site for cutting/ welding purpose for easy extraction, repairing and refitting of reflux valve. • Dismantling of the Reflex valve from the rising main by cutting out rusted nuts/ bolts and then opening the top to get damaged flap valve out. • Cutting out the damaged strip made hinge pin assembly from the body of the reflux valve as well as from the flap using oxyacetylene gas plant at site and then grinding of the same to remove earlier welding material and finish the surfaces by using portable hand grinder at site to be operated on DG Set to be arranged by the firm. • Providing and fitting of new hinge pin assembly to the same reflux valve to be fabricated out of ISMC 75 in 03 pieces of 175mm long each. 02 no. to be fitted on the body of valve and one no. on the flap, duly drilled to accommodate and hold hinge spindle/ pin of suitable dimensions to be arranged by the firm. • Providing and fitting of Gaskets as per sample • Replacement of all damaged nuts/ bolts (02 kg) • Refitting of the so repaired reflux valve back in the rising main and testing on full load.

Providing and fitting of rubber tyre element to the TC-016 coupling of Sagipora LIS 02 Numbers (01 as spare)

Providing of LED Type chargeable light,[portable lantern type], of any reputed make to be used as emergency light at LIS Kandi Natnussa, duly provided with charger and charging lead. The light shall have a battery backup of not less than 06 hours.

Mir Fab Industries

Mir Steel Furniture and Fabrication kupwara

M/s BUHROO MECHANICAL WORKS