Repair of 5 cusec discharge pump 25 mtr. Head of unit No. II along with allied works at LIS Burejal and repairs to electric sub station at LIS Seelam

Repair of 5 cusec discharge pump 25 mtr. Head of unit No. II along with allied works at L.I.S. Burejal.

Decoupling of 05 cusec pump from motor and then dismantling the pump from the base frame. Carriage & shifting of dismantled pump of unit No. II at LIS Burejal by mechanical transport using manual labour. then shifting to workshop using mechanical transport. Back shifting after carrying out repairs of pump & foot valve at site. Dismantling of 5 cusec discharge split casing pump of pumping unit II of lift irrigation station LIS Burejal at workshop by way of extracting out all worn out/damaged parts i.e. pump shaft, impeller, bearings, sleeves, bush, check nuts, nuts & bolts, gland plate, gland studs. Repairs to pump shaft after turning to bearing size and threading at positions of check nuts. Repair to impeller by filling cavities and cracks and finishing to original size. Providing and fitting 2 no’s of new bearings as per sample size on driving and non driving end of the pump, 1 no’s neck rings, 2 no’s shaft protection sleeves, 2 no’s check nuts, nuts & bolts, fabrication of 2 no’s new gland plate with providing and fitting of 2 no’s new gland studs on ends of pump. Repair to bearing housing on driving and non driving ends of pumping unit by turning and fitting of bush to make inner diameter of bearing housing suitable for fitment of bearing. Reassembling all parts of pump with proper greasing of bearings and providing and fitting of gasket sheet between upper and lower part of the pump. Proving and fitting of graphite packing of suitable size on both ends of pump. Repair to 300 mm diameter foot valve of pumping unit no II by way of dismantling parts. Cleaning of all internal parts to remove silt and rust. Fabrication of foot valve plate as per size, new leather washer, hinge pin, new nuts & bolts. The job includes fitting it with foot valve at the end of suction pipe. Extension of suction pipeline 200mm by 3 ft of unit No 1 by dismantling the end of suction pipeline and footvalve by looseneing the damaged nuts and bolts from of the flange and footvalve . Taking the pipeline out of the suction channel and shifting the footvale to some safest place and then welding the extended pipeline with the already existing piece of pipe then welding with two newly flanges on the both sides and then fitting of the pipeline with the suction pipeline by using new nuts and bolts and rubber gasket.Finally fitting of the footvalve 200mm at the end of the suction pipeline. Dismantling of suction pipeline of unit no I at the bend just outside the pump room at LIS Burejal to fix the alignment of suction pipeline by loosening the old damaged nuts and bolts and then using fresh nuts ,bolts and rubber gasket to make the joint leak proof. The job includes dismantling of the suction pipeline from the very beginning of the suction pipeline and might also include dismantling of the pump to align it better. Back shifting after carrying out repairs to pump and foot valve to site. The job includes loading, un-loading, manual labour, carriage charges of vehicle (to & fro), tools & tackles ,material cost etc. Complete job. Note:- The Tenderers are requested to visit the site and quote the rate including rebate on old parts as per site conditions.Dimensions can vary by +- 5 percent. 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

Repairs to electric sub station at LIS Seelam.

Repairs to 100 KVA electric transformer installed at lift irrigation station Seelam by way isolating of transformer from 11 KV HT supply, removing of HT cables and LT cables from the transformer. Lifting of transformer from installed position using long boom crane and carriage of transformer to road side from the lift irrigation station Shifting of transformer to workshop for repairs. Completely dismantling the transformer after removing the top cover of transformer and extracting out the damaged LV and HV coils from the oil tank. Complete rewinding of HV coils and reconditioning of LV coils using superior quality insulating material. Providing and fitting of 4 no’s LV bushes, 3 no’s HV bushes, LV bush rod 4 no’s, HV bush rod 3 no’s, gasket set and nuts and bolts. Repairs to the core of transformer by replacing the flashed core material. Heating of assembled coils in oven for proper hot air process and to get required meager value. Repair to oil tank by welding to make the oil tank leak proof and air tight. Lowering the assembled coils in oil tank. Filtering of existing transformer oil and topping up with 150 liters of fresh transformer oil. Repair to 50 HP starter oil immersed, double contact of pumping unit no II at LIS Seelam by way of extracting the damaged contact points of copper both moving and fixed thimbles, no volt coil, tripping system , overload relay and replacing the same with new ones. Providing /filling of new T-oil 10 liters. The job includes cost of material, labour charges, installation and testing charges at site. Complete job. Complete job includes cost of material, labour charges, cost of oil, welding charges. Note:- The Tenderers are requested to visit the site and quote the rate as per site conditions. The firm should offer rebate on old material.

Rebate on Old Parts

AADISHWAR ELECTRICAL AND MECHANICAL WORKS

KHALSA ENGG. WORKS

HITECH MECHNICALS

Vaibhav Engineers and Technocrates

AADISHWAR ELECTRICAL AND MECHANICAL WORKS

KHALSA ENGG. WORKS