Various repairs to hot water circulation pumping unit pertaining to boiler house at Govt. Lalla Ded Hospital, Srinagar

Amount

Disassembling of the Horizontal rotating Pump assemblies along with base frame for 8" x 8" suction and delivery of Horizontal Split casing Centrifugal Pump make beacon having , Head=30meters of beacon make in a private Workshop involving removal of damaged Chuck nuts followed by extraction of impellers from damaged shafts, worn-out sleeves, wearing /Neck rings and bearings etc from the shafts to carry out necessary repairs/replacement using skilled personal, tools and tackles required for the Job.

Disassembling of the horizontal pump assembly in a private Workshop involving dismantling of pump casing followed by extraction of impeller from housings, damaged/broken / worn-out sleeves, wearing rings, sand collars etc and from the damaged shaft to rectify the faults and to carry out necessary repairs/replacement using skilled personal, tools and tackles required for the Job

Providing, Fabrication, and fitting of New Stainless Steel horizontal shaft as per sample The Shaft has to be precisely machined at various required segments to accommodating Impellers’,bearing locks nut/check nut, packing sleeve etc using of skilled labour, tools and tackles. using high speed cutting tool to achieve the required parameters. The Job includes making of impeller seats for fitment of CI impellers at required position of the shaft. The job also includes fabrication of threads as per sample in length from non driving of side of the shaft for fixing of Sleeve after reducing the upper portion to as per existing sample for 150 mm length. finishing of the shaft to size for proper fit in pump assembly. the job includses making of key way along with fabrication and fixing of cotter key at driving end of shaft for coupling fitment by way of cutting, turning and finishing processes . Checking of alignment of shaft on the lathe for proper fitment in the pump housing by way of cutting, turning and finishing.

Providing, Fabrication, and fitting of CI Collared Sleeves fabricated out of suitable hollow casted CI bar by way of cutting, turning, finishing process including machining as per exixting sample with fabrication of internal threads at collerd portion using high speed tools as required for the job for tight fitment/press fit of sleeves on the threaded portion in the shaft adjacent to the impeller using skilled labour, tools and tackles as required for this precision Job.

Providing, Fabrication, and fitting of C.I Wear rings/Neck rings fabricated out of hollow casted CI bar/rod by way of cutting, turning, finishing process including machining as per sample using high speed tools as required for the job for fitment on impeller using skilled labour, tools and tackles required for this precise Job.

Providing, Fabrication, and fitting of SS bearing lock nuts as per existing sample fabricated out of suitable Solid rod by way of cutting, turning, finishing process including machining using high speed cutting tool to achieve the required parameters The Job includes making of internal threads to bearing lock nuts to be fitted on external threads of pump Shaft at non driving end to withhold bearing along with camphoring of the bearing lock nuts on outer boundary for proper handling /tightening purposes using skilled labour, high speed tools and tackles as required for the job for proper fitment on the shaft adjacent to the CI sleeves.

Providing, Fabrication, and fitting of CI sand Collared packing Sleeve fabricated out of suitable hollow casted CI bar by way of cutting, turning, finishing process including machining as per exixting sample with fabrication of engraved key way portion outside the circumference for proper fitment inside key way portion of pump casing using high speed tools as required for the job using skilled labour, tools and tackles as required for this precision Job.

Repairs to bearing housing by way of rebuilding bearing seat using cast iron welding electrodes, by way of cutting, turning, finishing process including machining using high speed cutting tool to achieve the required parameters, the job also includes repairs to internal threads of pump casing for proper fitment of bearing housing along p/f of new studs as per exixting samples

providing and fitting of self lubricated 6306 ball bearing at both driving and non driving ends.along with Coating of recommended grease.inside bearing housing

Providing, Fabrication, and fitting of GM(gun metal) Collared packing gland to be fabricated in two halves out of suitable hollow casted GM bar by way of cutting, turning, finishing process including machining as per exixting sample with fabrication of holes at required positions including at collerd portion using high speed tools as required for the job for tight fitment/press fit using skilled labour, tools and tackles as required for this precision Job. the job includes repairs to internal threads of pump casing for proper fitment of packing gland along p/f of new long threaded bolts as per existing samples

Providing and fitting of tyre/rubber coupling (TC-13) along with p/f of coupling studs/fasteners for proper fitment of rubber coupling in between holding plates of existing coupling.

providing and fitting of 8/10 mm thick palmative graphite gland packing for arresting leakge in rotating assembly inside pump gland assembly.

Assembling of the repaired rotating pump assembly inside pump casing in the Workshop involving p/f gasket and anabond glue between top and bottom pump casing followed by fitting of fasteners etc, by way of using skilled labour, tools and tackles and inspection of proper fittings.

Repairs to cement concerete exixting damaged pump foundation base by way of dismantling/ excavation of the existing cement concrete by manual means using hand exacavator/ rock drill for base of size 3'x6'x6" size . The job further includes Providing and laying in position specified grade of reinforced cement concrete including curing and the cost of centering, shuttering, finishing and reinforcement. all works upto plinth level in (1:2:4) mix . the job includes providing and fitting and grouting 6 (six) no to each base J type foundation bolts/hooks/studsa as per existing sample, threaded at upper portion upto the length 4"/100 mm for proper fitment of MS pump base for firm and vibration free movement during operation of pumping unit

Shifting of the assembled repaired Pump assemblies back to site in a private load carrier/suitable Van from workshop to worksite. Shifting and aligning of the rotating Pump assemblies on the pump base using skilled labour, tools and tackles as required for the Job. Assembling it with couplings with Motor Shaft through a flange coupling including proper aligning and finally testing on full load at site.

FARUKH SONS ENTERPRISE

M/S A R and SONs