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| 1 | Routine Maintenance/Assistance in Operation at PT Plant, WSWS, Coal Settling Pond, CW Chlorination and CW Chemical House. |
| 2 | 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 wastewater 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. |
| 3 | Routine Maintenance work of cooling tower and its accessories (As per scope of work job no.3.) |
| 4 | Routine maintenance & operation assistance of CPU. |
| 5 | Routine maintenance & operation assistance of Air Washer system. |
| 6 | Maintenance/servicing of CW Chlorinator |
| 7 | Maintenance/servicing of PT Chlorinator |
| 8 | Maintenance/Servicing of CW Evaporator /PT Evaporator. |
| 9 | Maintenance/servicing/cleaning of Cl2 absorption tower of CW Chlorination system / PT Chlorination System. |
| 10 | Maintenance/servicing of CW Ejector Assembly with associated NRV & valves. |
| 11 | Maintenance/servicing of PT Ejector Assembly with associated NRV & valves. |
| 12 | Maintenance/servicing of complete tonner manifold of CW Chlorination with associated valves &expansion cylinders. |
| 13 | Maintenance/servicing of complete tonner manifold of PT Chlorination with associated valves &expansion cylinders. |
| 14 | Maintenance /servicing of CW Chlorine dispenser lines of one chlorinator & evaporator with all associated valves & filters. |
| 15 | Maintenance /servicing of PT Chlorine dispenser lines of one chlorinator & evaporator with all associated valves & filters. |
| 16 | Maintenance/servicing of Chlorine suction duct network at CW Chlorination/PT Chlorination. |
| 17 | Maintenance of CW Booster pumps. |
| 18 | Maintenance of PT Booster pumps. |
| 19 | Maintenance of Caustic recirculation pump at CW Chlorination/ PT Chlorination. |
| 20 | Maintenance/servicing of valves SIZE- 200 mm. |
| 21 | Maintenance/servicing of valves SIZE- 150 mm. |
| 22 | Maintenance/servicing of valves SIZE- 100 mm. |
| 23 | Maintenance/servicing of valves SIZE- 80 mm. |
| 24 | Maintenance/servicing of valves SIZE- 65 mm. |
| 25 | Maintenance/servicing of valves SIZE- 50 mm. |
| 26 | Maintenance/servicing of NRV size- 200 mm. |
| 27 | Maintenance/servicing of NRV size- 150 mm. |
| 28 | Maintenance/servicing of NRV size- 100 mm. |
| 29 | Maintenance/servicing of NRV size- 80 mm. |
| 30 | Maintenance/servicing of NRV size- 65 mm. |
| 31 | Maintenance/servicing of NRV size- 50 mm. |
| 32 | Repair of MS pipeline work to arrest leakages of water. |
| 33 | Repair of underground HDPE CW pipeline to arrest leakage of chlorine solution. |
| 34 | Repair of underground HDPE PT pipeline to arrest leakage of chlorine solution. |
| 35 | Maintenance /servicing of CW forebay chlorine solution diffuser with associated valves. |
| 36 | Maintenance /servicing of PT chlorine solution diffuser with associated valves. |
| 37 | Replacement of CW chlorinator PVC vacuum pipeline with associated bends, tees, unions, flanges etc. |
| 38 | Replacement of PT chlorinator PVC vacuum pipeline with associated bends, tees, unions, flanges etc. |
| 39 | Fabrication of lead gaskets size- 3 inch. |
| 40 | Fabrication of lead gaskets size- 2 inch. |
| 41 | Fabrication of lead gaskets size- 1 inch. |
| 42 | Repairing of dispenser pipeline / flanges using appropriate filler material. |
| 43 | Refilling with maintenance/servicing of BA set |
| 44 | Painting of dispenser pipeline with associated valves, flanges etc. |
| 45 | Painting of absorption tower with associated valves, pumps, blowers etc at CW Chlorination/ PT Chlorination. |
| 46 | Painting of water lines with associated pumps,valves etc. |
| 47 | Maintenance of Emergency shower with associated pipeline & valve connected to the source at CW Chlorination/ PT Chlorination. |
| 48 | Maintenance of Respiratory Air supply lines with associated valves and connection. |
| 49 | Complete Overhauling/Servicing of Acid unloading pumps. |
| 50 | Complete Overhauling/Servicing of Acid Dosing pumps. |
| 51 | Complete Overhauling/Servicing of Dispersant Dosing pump. |
| 52 | Complete Overhauling/Servicing of Scale inhibitor Dosing pumps. |
| 53 | Complete Overhauling/Servicing of acid dilution pump. |
| 54 | Complete Overhauling/Servicing of CMB pumps. |
| 55 | Complete Overhauling/Servicing of Coal settling pumps. |
| 56 | Complete Overhauling/Servicing of Filter back washed water recirculation pumps. |
| 57 | Complete Overhauling/Servicing of Sludge pumps. |
| 58 | Complete Overhauling/Servicing of Waste service water pumps. |
| 59 | Complete Overhauling/Servicing of Lime Dosing pumps (Cap- 15 cum/hr @ 8 MWC). |
| 60 | Complete Overhauling/Servicing of Lime Dosing pumps (Cap- 36 cum/hr@ 15 MWC). |
| 61 | Complete Overhauling/Servicing of Alum Dosing pumps ([email protected]/Cm2). |
| 62 | Complete Overhauling/Servicing of Alum Dosing pumps ([email protected]/Cm2). |
| 63 | Complete Overhauling/Servicing of Potable water pumps. |
| 64 | Complete Overhauling/Servicing of Blower (Cap- 1500 cum/hr , 0.4Kg/cm2) for filter bed. |
| 65 | Complete Overhauling/Servicing of Blower (Cap- 400 cum/hr, 0.4Kg/cm2) for sludge pit. |
| 66 | Complete Overhauling/Servicing of Blower (fan rating:1000 CUFT/MIN) for PT Chlorination. |
| 67 | Complete Overhauling/Servicing of Blower (fan rating:2350 CUFT/MIN) for CW Chlorination. |
| 68 | Complete Overhauling/Servicing of Agitator for acid measuring tank with reduction gear. |
| 69 | Complete Overhauling/Servicing of Agitator for dispersant measuring tank with reduction gear. |
| 70 | Complete Overhauling/Servicing of Agitator for Scale inhibitor measuring tank with reduction gear. |
| 71 | Complete Overhauling/Servicing of Agitator for lime preparation tank with reduction gear. |
| 72 | Complete Overhauling/Servicing of Agitator for alum tank with reduction gear. |
| 73 | Complete Overhauling/Servicing of Agitator for lime slaking tank with reduction gear. |
| 74 | Complete Overhauling/Servicing of Agitator for Flash mixture with reduction gear. |
| 75 | Complete Overhauling/Servicing of Agitator for Flocculator with reduction gear. |
| 76 | Complete Overhauling/Servicing of Agitator for Coagulation tank with reduction gear. |
| 77 | Complete Overhauling/Servicing of Clariflocculator oil pump drive. |
| 78 | Complete Overhauling/Servicing of Clarifier Scrapper and turbine drive. |
| 79 | Replacement of ratchet plate. |
| 80 | Replacement of worn-out gland cover of stuffing box holding bolts. |
| 81 | Replacement of worn-out rubber spacer of coupling. |
| 82 | Replacement of worn-out bearing. |
| 83 | Replacement of sealing ring of stuffing box. |
| 84 | Removal of jamming of impeller because of ingress of foreign materials. |
| 85 | Replacement of damaged bearing of pumps. |
| 86 | Replacement of worn-out pump casing gasket/ O-ring. |
| 87 | Replacement of pump Diaphragm. |
| 88 | Replacement of Venire pump. |
| 89 | Arresting of pump leakage either from pump oil side or from chemical side. |
| 90 | Replacement of pump coupling hubs &associated works. |
| 91 | Replacement of damaged bearing of Agitators. |
| 92 | Replacement of damaged/ worn Out Parts of Agitators. |
| 93 | Replacement of damaged bearings of Blowers. |
| 94 | Replacement of damaged/ worn Out Parts of Blowers. |
| 95 | Replacement of oil pump drive bearings of Clariflocculator. |
| 96 | Replacement of damaged / worn Out Parts of turbine drive or oil drive pumps. |
| 97 | 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. |
| 98 | Replacement of following valves with new/repaired valves by dismantling and of old valves from system and fitting of new/repaired Butterfly valves (50mm to800 mm). |
| 99 | 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). |
| 100 | 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). |
| 101 | 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). |
| 102 | Re- visioning/ overhauling /servicing of Butterfly valves (50mm to 800 mm) |
| 103 | Re- visioning/ overhauling /servicing of Gate valve (25 mm to 450 mm). |
| 104 | Re- visioning/ overhauling /servicing of Check valves (25 mm to 450 mm). |
| 105 | Re- visioning/ overhauling /servicing of Diaphragm valves (25 mm to 80 mm). |
| 106 | Re- visioning/ overhauling /servicing of gates. Size:1050X1050. |
| 107 | Re- visioning/ overhauling /servicing of gates. Size:900X900. |
| 108 | Re- visioning/ overhauling /servicing of gates. Size:600X600. |
| 109 | Re- visioning/ overhauling /servicing of gates. Size:300X300. |
| 110 | Re- visioning/ overhauling /servicing of gates. Size:200 X200. |
| 111 | Attending the leakage from acid/lime/ alum/dispersant / scale inhibitor/ chlorine transfer pipeline joints. |
| 112 | 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. |
| 113 | Loading & unloading, transportation &stacking of Chemicals/ lubricant from central stores to various site stores or inter stores of Solid/Liquid chemicals. |
| 114 | Loading & unloading, transportation &stacking of Chemicals/ lubricant from central stores to various site stores or inter stores of Liquid chemicals. |
| 115 | Servicing of CT fan G/Box & valves. |
| 116 | Major O/H of Cooling Tower Fans & Gear box. |
| 117 | Rectification of Oil pipeline with Alignment. |
| 118 | O/H of V-Bar of CT fan cell. |
| 119 | Hot water basin cleaning of CT. |
| 120 | Balancing of CT fan/Replacement of blade set. |
| 121 | Erection of plate form in CT fan cell. |
| 122 | Miscellaneous Job as per scope of work |
| 123 | Servicing of DM Water Regeneration Pumps (Make: - Mather & Platt) Pump Capacity-45 M³/hr, Dynamic Head-25.00 MTR. |
| 124 | Servicing of DM water pumps for resin transfer (Make: - Mather & Platt) Pump Capacity-45 M³/hr, Dynamic Head-100.00MTR. |
| 125 | Servicing of Alkali dosing metering pumps. (Pump Capacity-2000 LPH, Dynamic Head-40.0MLC) |
| 126 | Servicing of Acid dosing metering pumps (Pump Capacity-2000 LPH, Dynamic Head-40.0MLC) |
| 127 | Servicing of Alkali transfer /recirculationpumps (Pump Capacity-10 M³/hr, Dynamic Head-10.00MLC). |
| 128 | Servicing of Acid Unloading Pumps, Pump Capacity-10 M³/hr, Dynamic Head-10.00MLC. |
| 129 | Servicing of Alkali Unloading Pumps.Pump Capacity-10 M³/hr, Dynamic Head-10.00MLC. |
| 130 | Servicing of Waste recirculation disposal pumps. (Pump Capacity-50 M³/hr, Dynamic Head-30.0 MWC). |
| 131 | Servicing of Air blower for regeneration area Capacity- 300M3/hr, Head- 5MWC. |
| 132 | Servicing of Air Blower for Both Unit, Capacity-600M3/ hr, Head- 4MWC. |
| 133 | Removal of Jamming of Impeller of DM Water Regeneration Pumps, resin transfer pump and Waste recirculation disposal pumps because of ingress of foreign materials. |
| 134 | Removal of Jamming of Impeller Acid/Alkali Unloading Pumps Pump Capacity-10 M³/hr, Dynamic Head-10.00MLC. |
| 135 | Replacement of damage bearing & rings of Pump DM Water Regeneration Pumps (Make: - Mather & Platt) Pump Capacity-45 M³/hr, Dynamic Head-25.00 MTR. |
| 136 | Replacement of damage bearing for resin transfer pump. (Make:- Mather & Platt)Pump Capacity-45 M³/hr, Dynamic Head-100.00MTR. |
| 137 | Replacement of damage bearing of Acid/Alkali dosing metering pumps. (Pump Capacity-2000 LPH, Dynamic Head-40.0MLC). |
| 138 | Replacement of damage bearing of Waste recirculation disposal pumps (Pump Capacity-50 M³/hr, Dynamic Head-30.0 MWC). |
| 139 | Replacement of damage bearing of Alkali transfer/ recirculation pumps. (Pump Capacity-10 M³/hr, Dynamic Head-10.00MLC). |
| 140 | Replacement of damage bearing of Acid/Alkali Unloading Pumps. (Pump Capacity-10 M³/hr, Dynamic Head-10.00MLC). |
| 141 | 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. |
| 142 | Rubber lining of pipes/ bends/ tee including both side flanges etc. (Including fabrication works for flanges joining) with new piece having following sizes (Running Meter measured at centre line of pipe used) Size: 30MM Dia pipe. |
| 143 | Rubber lining of pipes/ bends/ tee including both side flanges etc. (Including fabrication works for flanges joining) with new piece having following sizes (Running Meter measured at centre line of pipe used) Size: 40 MM Dia pipe. |
| 144 | Rubber lining of pipes/ bends/ tee including both side flanges etc. (Including fabrication works for flanges joining) with new piece having following sizes (Running Meter measured at centre line of pipe used) Size: 50 MM Dia pipe. |
| 145 | Rubber lining of pipes/ bends/ tee including both side flanges etc. (Including fabrication works for flanges joining) with new piece having following sizes (Running Meter measured at centre line of pipe used) Size: 65MM Dia pipe. |
| 146 | Rubber lining of pipes/ bends/ tee including both side flanges etc. (Including fabrication works for flanges joining) with new piece having following sizes (Running Meter measured at centre line of pipe used) Size: 80MM Dia pipe. |
| 147 | Rubber lining of pipes/ bends/ tee including both side flanges etc. (Including fabrication works for flanges joining) with new piece having following sizes (Running Meter measured at centre line of pipe used) Size: 50/ 40/ 30 MM Dia pipe \"\"T Joint\"\". |
| 148 | Rubber lining of pipes/ bends/ tee including both side flanges etc. (Including fabrication works for flanges joining) with new piece having following sizes (Running Meter measured at centre line of pipe used) Size: 65/80 MM Dia pipe \"\"T Joint\".\" |
| 149 | Rubber lining of pipes/ bends/ tee including both side flanges etc. (Including fabrication works for flanges joining) with new piece having following sizes (Running Meter measured at centre line of pipe used) Size: \" 90 Degree Bends of 50/40/30 MM Dia pipe. |
| 150 | Rubber lining of pipes/ bends/ tee including both side flanges etc. (Including fabrication works for flanges joining) with new piece having following sizes (Running Meter measured at centre line of pipe used) Size: \" 90 Degree Bends of 65/80 MM Dia pipe. |
| 151 | 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. |
| 152 | Removal of Jamming of centrifugal Fan bearing and alignment of fan with motor installed in air washer system. |
| 153 | Servicing of centrifugal pump installed in air washer system. |
| 154 | Cleaning of air filter of Air washer installed in bc bay at 23 mtr and A-row 8 mtr. |
| 155 | Cleaning of tank of Air washer installed in bc bay at 23 mtr and A-row 8 mtr. |
| 156 | Cleaning of air filter of Air washer installed in ESP of unit # 6 and Unit #7. |
| 157 | Cleaning of Water tank of Airwasher installed in ESP of unit #6 and unit # 7. |
| 158 | Fabrication of pipe bends/reducers/T bend of different sizes by cutting, welding, bending and grinding/ machining etc. |
| 159 | Fabrication of flange of different sizes from M.S./ Steel plate by cutting, chipping, drilling, grinding etc. |
| 160 | Fabrication & erection/repair of steel structures of different sizes. |
| 161 | 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. |
| 162 | Cutting & dismantling of pipe, valves & supports etc. of various sizes & transportation from site to site / central store. |
| 163 | Replacement of damaged gaskets of different sizes of the flange in pipeline. (Above 100 mm dia size). |
| 164 | Replacement of damaged/worn-out valve at different locations with new/repaired one; (for size above 100mm dia of valves). |
| 165 | Providing flange/bend/reducer/valve in the existing /replaced pipeline including cutting and welding of pipe & tightening with gasket, nuts & bolts etc. |
| 166 | Replacement of damaged/worn-out pipe of various sizes with new one; pipe sizes 15 to 300mm dia. |
| 167 | Providing tapping of different sizes in water/air pipeline with MS/ CS/Steel pipe; sizes:15 to300mm NB. |
| 168 | Patching/overlapping on different sizes of pipe. from 101cm2 to 400cm2 patch. |
| 169 | Patching/overlapping on different sizes of pipe. from 401cm2 to 900cm2 patch. |
| 170 | Re- visioning/ overhauling /servicing of hand/ pneumatic /electrically operated following valves only mechanical portion. (Butterfly/Diaphragm/Gate valves) |
| 171 | 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. |
| 172 | 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. |
| 173 | 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. |
| 174 | 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. |
| 175 | Cleaning of the jungle including the uprooting of grass, wild vegetation bushes, small trees, etc. area up to 3 meters on both sides of the forebay. |
