06/DTPS/OMC-I/CAD/2022-23

Amount

Routine maintenance

Routine Maintenance/Assistance in Operation at PT Plant, WSWS, Coal Settling Pond, CW Chlorination and CW Chemical House.

Work of removal of sludge, mud, fungus, moss, algae etc. floating on the surface of water near peripheral launder, water channel, telescopic sludge pit of Clariflocculator, Sludge pit of Filter Back wash Water, Sludge pit of waste water of Clarifloculator, Tube settler, Central monitoring Basin and Clarified Water storage tanks at P.T. Plant, Coal settling Pond, and sludge pit of WSWS pump house.

Routine Maintenance work of cooling tower and its accessories (As per scope of work job no.3.)

Routine maintenance & operation assistance of CPU.

Routine maintenance & operation assistance of Air Washer system .

Breakdown Maintenance

Maintenance/servicing of CW Chlorinator

Maintenance/servicing of PT Chlorinator

Maintenance/Servicing of CW Evaporator / PT Evaporator

Maintenance/servicing/cleaning of Cl2 absorption tower of CW Chlorination system / PT Chlorination System

Maintenance/servicing of CW Ejector Assembly with associated NRV & valves

Maintenance/servicing of PT Ejector Assembly with associated NRV & valves

Maintenance/servicing of complete tonner manifold of CW Chlorination with associated valves &expansion cylinders

Maintenance/servicing of complete tonner manifold of PT Chlorination with associated valves &expansion cylinders

Maintenance /servicing of CW Chlorine dispenser lines of one chlorinator & evaporator with all associated valves & filters

Maintenance /servicing of PT Chlorine dispenser lines of one chlorinator & evaporator with all associated valves & filters

Maintenance/servicing of Chlorine suction duct network at CW Chlorination/PT Chlorination

Maintenance of CW Booster pumps

Maintenance of PT Booster pumps

Maintenance of Caustic recirculation pump at CW Chlorination/ PT Chlorination

Maintenance/servicing of valves SIZE- 200 mm

Maintenance/servicing of valves SIZE- 150 mm

Maintenance/servicing of valves SIZE- 100 mm

Maintenance/servicing of valves SIZE- 80 mm

Maintenance/servicing of valves SIZE- 65 mm

Maintenance/servicing of valves SIZE- 50 mm

Maintenance/servicing of NRV size- 200 mm

Maintenance/servicing of NRV size- 150 mm

Maintenance/servicing of NRV size- 100 mm

Maintenance/servicing of NRV size- 80 mm

Maintenance/servicing of NRV size- 65 mm

Maintenance/servicing of NRV size- 50 mm

Repair of MS pipeline work to arrest leakages of water

Repair of underground HDPE CW pipe line to arrest leakage of chlorine solution

Repair of underground HDPE PT pipe line to arrest leakage of chlorine solution

Maintenance /servicing of CW forebay chlorine solution diffuser with associated valves

Maintenance /servicing of PT chlorine solution diffuser with associated valves

Replacement of CW chlorinator PVC vacuum pipeline with associated bends, tees ,unions ,flanges etc

Replacement of PT chlorinator PVC vacuum pipeline with associated bends, tees, unions, flanges etc

Fabrication of lead gaskets size- 3 inch

Fabrication of lead gaskets size- 2 inch

Fabrication of lead gaskets size- 1 inch

Repairing of dispenser pipeline / flanges using appropriate filler material

Refilling with maintenance/servicing of BA set

Painting of dispenser pipeline with associated valves, flanges etc

Painting of absorption tower with associated valves, pumps, blowers etc. at CW Chlorination/ PT Chlorination

Painting of water lines with associated pumps, valves etc.

Maintenance of Emergency shower with associated pipe line & valve connected to the source at CW Chlorination/ PT Chlorination

Maintenance of Respiratory Air supply lines with associated valves and connection

Complete Overhauling/Servicing of Acid unloading pumps

Complete Overhauling/Servicing of Acid Dosing pumps

Complete Overhauling/Servicing of Dispersant Dosing pumps

Complete Overhauling/Servicing of Scale inhibitor Dosing pumps

Complete Overhauling/Servicing of Acid dilution pumps

Complete Overhauling/Servicing of CMB pumps

Complete Overhauling/Servicing of Coal settling pumps

Complete Overhauling/Servicing of Filter back washed water recirculation pumps

Complete Overhauling/Servicing of Sludge pumps

Complete Overhauling/Servicing of Waste service water pumps

Complete Overhauling/Servicing of Lime Dosing pumps( Cap- 15 cum/hr @ 8 MWC)

Complete Overhauling/Servicing of Lime Dosing pumps( Cap- 36 cum/hr@ 15 MWC)

Complete Overhauling/Servicing of Alum Dosing pumps([email protected]/Cm2)

Complete Overhauling/Servicing of Alum Dosing pumps([email protected]/Cm2)

Complete Overhauling/Servicing of Potable water pumps

Complete Overhauling/Servicing of Blower (Cap- 1500 cum/hr , 0.4Kg/cm2) for filter bed.

Complete Overhauling/Servicing of Blower (Cap- 400 cum/hr, 0.4Kg/cm2) for sludge pit.

Complete Overhauling/Servicing of Blower ( fan rating:1000 CUFT/MIN) for PT Chlorination.

Complete Overhauling/Servicing of Blower( fan rating:2350 CUFT/MIN) for CW Chlorination.

Complete Overhauling/Servicing of Agitator for acid measuring tank with reduction gear

Complete Overhauling/Servicing of Agitator for dispersant measuring tank with reduction gear

Complete Overhauling/Servicing of Agitator for Scale inhibitor measuring tank with reduction gear

Complete Overhauling/Servicing of Agitator for lime preparation tank with reduction gear

Complete Overhauling/Servicing of Agitator for alum tank with reduction gear

Complete Overhauling/Servicing of Agitator for lime slaking tank with reduction gear

Complete Overhauling/Servicing of Agitator for Flash mixture with reduction gear

Complete Overhauling/Servicing of Agitator for Flocculator with reduction gear

Complete Overhauling/Servicing of Agitator for Coagulation tank with reduction gear

Complete Overhauling/Servicing of Clariflocculator oil pump drive

Complete Overhauling/Servicing of Clarifier Scrapper and turbine drive

Replacement of ratchet plate

Replacement of worn out gland cover of stuffing box holding bolts

Replacement of worn out rubber spacer of coupling

Replacement of worn out bearing

Replacement of sealing ring of stuffing box

Removal of jamming of impeller because of ingress of foreign materials

Replacement of damaged bearing of pumps

Replacement of worn-out pump casing gasket/ O-ring.

Replacement of pump Diaphragm

Replacement of Venire pump

Arresting of pump leakage either from pump oil side or from chemical side

Replacement of pump coupling hubs & associated works

Replacement of damaged bearing of Agitators

Replacement of damaged/ worn Out Parts of Agitators

Replacement of damaged bearings of Blowers

Replacement of damaged/ worn Out Parts of Blowers

Replacement of oil pump drive bearings of Clariflocculator

Replacement of damaged / worn Out Parts of turbine drive or oil drive pumps

Providing new foundation bolts, casing bolts/studs etc. of equipment after taking out broken studs/ bolts by way of drilling tapping etc. on channel foundation.

Replacement of following valves with new/repaired valves by dismantling and of old valves from system and fitting of new/repaired Butterfly valves( 50mm to 800 mm)

Replacement of following valves with new/repaired valves by dismantling and of old valves from system and fitting of new/repaired Gate valve ( 25 mm to 450 mm)

Replacement of following valves with new/repaired valves by dismantling and of old valves from system and fitting of new/repaired Check valves( 25 mm to 450 mm)

Replacement of following valves with new/repaired valves by dismantling and of old valves from system and fitting of new/repaired Diaphragm valves (25 mm to 80 mm)

Re- visioning/ overhauling /servicing of Butterfly valves( 50mm to 800 mm)

Re- visioning/ overhauling /servicing of Gate valve ( 25 mm to 450 mm)

Re- visioning/ overhauling /servicing of Check valves( 25 mm to 450 mm)

Re- visioning/ overhauling /servicing of Diaphragm valves( 25 mm to 80 mm)

Re- visioning/ overhauling /servicing of gates SIZE-1050X1050

Re- visioning/ overhauling /servicing of gates SIZE-900X900

Re- visioning/ overhauling /servicing of gates SIZE- 600X600

Re- visioning/ overhauling /servicing of gates SIZE- 300X300

Re- visioning/ overhauling /servicing of gates SIZE- 200X200

Attending the leakage from acid/lime/ alum/ dispersant/scale inhibitor/ chlorine transfer pipe line joints

Removal of filter media by collection, lifting from bed of filter stacking at ground floor on clean surface, cleaning by water, sieving with different size of sieves, separation of filter media in different size, refilling as per instruction of Engineer of contract in filter in different thickness after repairing of filter’s internal, replacement of damaged parts & necessary repair if any complete in all respect.

Loading & unloading, transportation &stacking of Chemicals/ lubricant from central stores to various site stores or inter stores of Solid/Liquid chemicals

Loading & unloading, transportation &stacking of Chemicals/ lubricant from central stores to various site stores or inter stores of Liquid chemicals

Servicing of CT fan G/Box & valves

Major O/H of Cooling Tower Fans & Gear box

Rectification of Oil pipe line with Alignment

O/H of V-Bar of CT fan cell

Hot water basin cleaning of CT

Balancing of CT fan/Replacement of blade set

Erection of plateform in CT fan cell

Miscellaneous Job as per scope of work

Servicing of DM Water Regeneration Pumps (Make:- Mather & Platt)Pump Capacity-45 M³/hr, Dynamic Head-25.00 MTR.

Servicing of DM water pumps for resin transfer(Make:- Mather & Platt)Pump Capacity-45 M³/hr, Dynamic Head-100.00MTR

Servicing of Alkali dosing metering pumps.(Pump Capacity-2000 LPH, Dynamic Head-40.0MLC)

Servicing of Acid dosing metering pumps (Pump Capacity-2000 LPH, Dynamic Head-40.0MLC)

Servicing of Alkali transfer /recirculation pumps(Pump Capacity-10 M³/hr, Dynamic Head-10.00MLC)

Servicing of Acid Unloading Pumps Pump Capacity-10 M³/hr, Dynamic Head-10.00MLC

Servicing of Alkali Unloading Pumps Pump Capacity-10 M³/hr, Dynamic Head-10.00MLC

Servicing of Waste recirculation disposal pumps.(Pump Capacity-50 M³/hr, Dynamic Head-30.0 MWC)

Servicing of Air blower for regeneration Area Capacity- 300M3/hr , Head- 5MWC

Servicing of Air Blower for Both Unit Capacity- 600M3/hr , Head- 4MWC

Removal of Jamming Of Impeller of DM Water Regeneration Pumps, resin transfer pump and Waste recirculation disposal pumps because of ingress of foreign materials.

Removal of Jamming Of Impeller Acid/Alkali Unloading Pumps Pump Capacity-10 M³/hr, Dynamic Head-10.00MLC

Replacement of damage bearing & rings of Pump DM Water Regeneration Pumps (Make:- Mather & Platt)Pump Capacity-45 M³/hr, Dynamic Head-25.00 MTR.

Replacement of damage bearing for resin transfer pump.(Make:- Mather & Platt)Pump Capacity-45 M³/hr, Dynamic Head-100.00MTR

Replacement of damage bearing of Acid/Alkali dosing metering pumps.(Pump Capacity-2000 LPH, Dynamic Head-40.0MLC)

Replacement of damage bearing of Waste recirculation disposal pumps (Pump Capacity-50 M³/hr, Dynamic Head-30.0 MWC)

Replacement of damage bearing of Alkali transfer/recirculation pumps.(Pump Capacity-10 M³/hr, Dynamic Head-10.00MLC)

Replacement of damage bearing of Acid/Alkali Unloading Pumps.(Pump Capacity-10 M³/hr, Dynamic Head-10.00MLC)

Re-Rubber lining of Acid/Alkali storage tanks dispersant/ scale inhibitor measuring tanks with natural rubber 5mm thickness 2 Ply (Inner side and outer side around neck around holes) installed in CW chlorination plant & CPU area.

Rubber lining of pipes/ bends/ tee including both side flanges etc. ( Including fabrication works for flanges joining) with new piece having size: 30 MM Dia pipe

Rubber lining of pipes/ bends/ tee including both side flanges etc. ( Including fabrication works for flanges joining) with new piece having size: 40 MM Dia pipe

Rubber lining of pipes/ bends/ tee including both side flanges etc. ( Including fabrication works for flanges joining) with new piece having size: 50 MM Dia pipe

Rubber lining of pipes/ bends/ tee including both side flanges etc. ( Including fabrication works for flanges joining) with new piece having size: 65 MM Dia pipe

Rubber lining of pipes/ bends/ tee including both side flanges etc. ( Including fabrication works for flanges joining) with new piece having size: 80 MM Dia pipe

Rubber lining of pipes/ bends/ tee including both side flanges etc. ( Including fabrication works for flanges joining) with new piece having size: 50/40/30 MM Dia pipe ''T Joint''

Rubber lining of pipes/ bends/ tee including both side flanges etc. ( Including fabrication works for flanges joining) with new piece having size: 65/80 MM Dia pipe ''T Joint''

Rubber lining of pipes/ bends/ tee including both side flanges etc. ( Including fabrication works for flanges joining) with new piece having size: " 90°" Bends of 50/40/30 MM Dia pipe

Rubber lining of pipes/ bends/ tee including both side flanges etc. ( Including fabrication works for flanges joining) with new piece having size: " 90°" Bends of 65/80 MM Dia pipe

Mastic lining in 10mm to 20mm thickness (As per site requirement ) including removal of old mastic lining and preparation of surface etc with all material & labour cost.

Removal of Jamming of centrifugal Fan bearing and alignment of fan with motor installed in air washer system.

Servicing of centrifugal pump installed in air washer system.

Cleaning of air filter of Air washer installed in bc bay at 23 mtr and A-row 8 mtr.

Cleaning of tank of Air washer installed in bc bay at 23 mtr and A-row 8 mtr.

Cleaning of air filter of Air washer installed in ESP of unit # 6 and Unit #7

Cleaning of Water tank of Airwasher installed in ESP of unit #6 and unit # 7

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.

Fabrication & erection/repair of steel structures of different sizes.

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.

Cutting & dismantling of pipe, valves & supports etc. of various sizes & transportation from site to site/central store.

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 pipe line 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 pipFrom 401cm2 to 900cm2 patch.

Re- visioning/ overhauling /servicing of hand/pneumatic/electrical operated following valves only mechanical portion. (Butter fly/Diaphragm/Gate valves)

Painting with one coat of red oxide primer and two coats of synthetic enamel high gloss paint of approved shads and make, on pipe, valve, flange/steel structures:Pipes up to 40 mm dia

Painting with one coat of red oxide primer and two coats of synthetic enamel high gloss paint of approved shads and make, on pipe, valve, flange/steel structures:Pipes from 41 to 65 mm dia

Painting with one coat of red oxide primer and two coats of synthetic enamel high gloss paint of approved shads and make, on pipe, valve, flange/steel structures:Pipes from 66 to 100 mm dia

Painting with one coat of red oxide primer and two coats of synthetic enamel high gloss paint of approved shads and make, on pipe, valve, flange/steel structures:Pipes from 101 to 150 mm dia

M/S EASTERN ENGINEERS ASSOCIATES