Work of air compressors, air dryer and LP Pipng and associated valves etc

Amount

Air Compressors and purgehet Air Dryer adsorber

i)General maintenance & preventive checking, minor repair/adjustments, oil toping, nut & bolt tightening, oil cleaning etc., as per scope of work, for all PAC, IAC & dryers(daily). ii)Round the clock work of changeover and flushing etc. of purgehet air dryer of instrument air compressor including all switching/controlling work of valves etc. to keep the dryer in working order with the main plant. (daily)

Complete overhauling & trial run of Plant Air Compressor, as per scope of work.

Complete overhauling & trial run of Instrument Air Compressor, as per scope of work.

Complete overhauling of trial run of purgehet Air Dryer, as per scope of work.

Replacement /repair of piston rod or blocking nut of HP/LP cylinder, dismantling, setting right and reassemble.

Checking & attending the intercooler/after cooler thorough cleaning & remounting, replacement of parts etc.

Gudgeon pin & small end bush assembly. Opening for checking, rectification & replacement, if required.

Changing of sealing ring/piston ring of HP/LP cylinder.

Changing of bearing ring of HP/LP cylinder or changing of piston half/complete piston of HP/LP cylinder.

Replacement of distance piece /cross head / cross- head guide.

Opening, cleaning, repair / Replacement of parts of suction/ delivery valve of HP/LP cylinder.

Attending the leakage of air/oil line including changing of gasket etc. by welding etc., if required.

Attending & checking of oil cooler including replacement of damaged /worn-out parts ,if required.

Oil filter cleaning & attending of primary/ secondary lub oil filter.

Checking, attending & cleaning with non-corrosive scale remover, of water jacket of HP/LP cylinder.

Opening & resetting /replacement of oil scrapper ring/oil flinger etc of HP/LP cylinder.

Attending and resetting of main bearing including repair/replacement of parts, bearing etc. Also attending blockade in lub oil pump.

Opening, attending defects in plumber block, greasing etc.

Opening, checking of the end cover for defects, changing of gaskets bolts etc. Also replacements of end cover, if required.

Replacement of gland packing ring.

Checking/replacement of intermediate plate of HP/LP cylinder.

Changing, remounting& rectification of ‘V’ belt set of compressors and wheel alignment with motor.

Removal of pulley from main shaft and its remounting in proper position.

Complete opening of mechanical lubricator, finding defects and setting right, cleaning and refitting after servicing.

Servicing of safety valve, replacement of worn out/damaged parts.

Opening and attending lub oil pump assembly including cleaning, resetting and replacement of worn out/damaged parts.

Servicing of moisture trap, repair for any defect, felt element cleaning/changing.

Attending big end bearing/ connecting rod /crank shaft for any defects or replacement of broken parts, if any.

Attending of water/air line valve for leakage etc including greasing the valve, replacement of damaged parts.

Attending of main header valve /NRV including replacement of gasket, repair etc.

Cleaning of element of Primary /secondary filter of inter connection system. This also includes replacement of damaged parts, if required.

Cleaning of air compressors, air dryer, associated pipe line and valves, EOT crane in the compressor house and site office cum store.

Fabrication & replacement of damaged heater housing of air dryer absorber by cutting ,welding etc.

Fabrication & replacement/repair of Bottom air strainer of air dryer absorber.

Fabrication & replacement/repair of Top air strainer of air dryer absorber.

Dismantling & attending fault, cleaning, servicing and replacement of worn out parts, ceiling ring, ‘O’ ring etc of slide valve/ de-compressor valve/ non- return valve of air dryer

Replacement of desiccant in dryer ( both adsorber)

Attending primary /secondary filter of air dryer by opening and refitting, cleaning of filter element etc.

L P Piping and associated valves etc.

General maintenance & preventive checking of L P Piping as per scope of work. This includes attending valves, small leakages in pipes, choking and blockage removal in all pipes, checking, inspection etc

Desilting/cleaning of L P Pipe of Clarified/raw /service water uuto 32 mm dia.

Desilting/cleaning of L P Pipe of Clarified/raw /service water uuto 40 to 65 mm dia.

Desilting/cleaning of L P Pipe of Clarified/raw /service water uuto 80 to 250 mm dia.

Fabrication of pipe bends/reducers/T bend of different sizes by cutting, welding,bending and grinding/machining etc

Fabrication of flange of different sizes from M.S./Steel plate by cutting, chipping, drilling, grinding etc

Cutting the flange/ valve/ reducers/ bends/ usable pipe piece of different sizes from old/damaged pipes etc. and grinding, machining etc. to give finished surface to make it usable

Replacement of damaged gaskets of different sizes of the flange in pipe line. (Above 100 mm dia size).

Replacement of damaged/worn-out valve at different locations with new/repaired one; (for size above 100mm dia of valves).

Providing flange/bend/reducer/valve in the existing/replaced pipe line including cutting and welding of pipe & tightening with gasket, nuts & bolts etc.

Replacement of damaged/worn-out pipe of various sizes with new one; pipe sizes 15 to 300mm dia.

Providing tapping of different sizes in water/air pipeline with MS/CS/Steel pipe; sizes: 15 to 300mm NB.

Patching/overlapping on different sizes of pipe from 101cm2 to 400cm2 patch

Patching/overlapping on different sizes of pipe from 401cm2 to 900cm2 patch

Painting with ove coat of red oxiode primer with two coat synthetic enamel paint of approved shade of high gloss and make on pipe ,valve ,flange/steel structure of pipe upto 40 mm dia.

Painting with ove coat of red oxiode primer with two coat synthetic enamel paint of approved shade of high gloss and make on pipe ,valve ,flange/steel structure of pipe upto 41 to 65 mm dia.

Painting with ove coat of red oxiode primer with two coat synthetic enamel paint of approved shade of high gloss and make on pipe ,valve ,flange/steel structure of pipe upto 66 to 100 mm dia.

Painting with ove coat of red oxiode primer with two coat synthetic enamel paint of approved shade of high gloss and make on pipe ,valve ,flange/steel structure of pipe upto 101 to 150 mm dia.

M/S KUSHWAHA CONSTRUCTION SYNDICATE

M/S JISHA ENGINEERING CONSTRUCTION