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| 1 | Operation and maintenance of the 107 MLD Sewage Treatment Plant at Muttathara for a period of three years, under the O&M contract. |
| 2 | OD174467/2025-2026:Plant Manager with graduate or postgraduate qualifications in Chemical, Electrical, or Civil Engineering |
| 3 | OD174466/2025-2026:Engaging an Accountant with a graduate or postgraduate degree in Accountancy and proficiency in computer applications, for general shift duties |
| 4 | OD174539/2025-2026:Office Attendant |
| 5 | OD174538/2025-2026:Electrical Engineer with a degree in Electrical Engineering and a minimum of 1 year of experience in HT systems, responsible for general shift operations and attending to emergencies. |
| 6 | OD174648/2025-2026:Mechanical Engineer with a degree in Mechanical or Instrumentation Engineering and 1 year of experience in WTP/STP operations, for general shift and emergency duties |
| 7 | OD174647/2025-2026:Shift Supervisor with a diploma in Electrical, Mechanical, or Instrumentation Engineering and 3 years of experience in WTP/STP operations, responsible for overseeing all three shifts |
| 8 | OD174646/2025-2026:Chemist with graduate or postgraduate qualifications in Microbiology and 3 years of experience in WTP, STP, or ETP laboratories |
| 9 | OD174645/2025-2026:Assistant Chemist with a graduate degree in Chemistry or qualification as a Laboratory Technician. |
| 10 | OD174644/2025-2026:Electrician with a diploma in Electrical Engineering and B-class license for HT, PCC, and MCC, for 3-shift duties.? |
| 11 | OD174643/2025-2026:Operators with a Diploma or ITI in Mechanical, Electrical, or Instrumentation Engineering shall operate the Inlet Pump House, RAS/WAS Pump House, MCC Unit, Chlorination, Omni Processor Unit, and Centrifuge/Septage Receiving Station across all units, typically in 3 shifts (some units may operate in 2 or 1 shift as directed by the assistant engineer). Weekly offs and leaves must be fully covered by relievers. Payment will be based on the actual head count of operators deployed per day, and all units shall remain staffed continuously 24×7 |
| 12 | OD174663/2025-2026:Fitter Grade I / Motor Mechanic with 3 years of experience in WTP, STP, or ETP operations, for general shift and emergency duties.? |
| 13 | OD174721/2025-2026:Welder with ITI in Welding, for general shift and emergency duties |
| 14 | OD174720/2025-2026:Gardener with experience in gardening and landscape maintenance |
| 15 | OD174719/2025-2026:Deployment of unskilled laborers for cleaning and upkeep of the STP compound, including clearing of RAS/WAS pump chokes, comprising 5 for general cleaning, 2 for grass clearing and rubbish removal up to 50 m outside the periphery, and 2 for cleaning the septage receiving station |
| 16 | OD174718/2025-2026:Helpers to assist the gardener (2 Nos.) and support the Mechanic and Electrician (2 Nos.) |
| 17 | OD174736/2025-2026:Security Guard (without gun) for 8-hour shift duty per day |
| 18 | OD175604/2025-2026:Supply of liquid chlorine gas for the disinfection of treated effluent at an appropriate dosage, ensuring a free residual chlorine concentration of 0.2 to 0.25 ppm (mg/L) at the discharge point, in accordance with Schedule VI of the Environment (Protection) Rules, 1986, and relevant Pollution Control Board standards |
| 19 | OD200845/2025-2026:Supplying Cat-ionic polymer for sludge management |
| 20 | OD175683/2025-2026:Cost of chemicals required for routine laboratory analysis of sewage, septage, and treated effluent for smooth operation of the laboratory. |
| 21 | OD175706/2025-2026:Comprehensive preventive and breakdown maintenance of Diesel Generator Sets 1250 kVA Cummins (2 Nos), 500 kVA (1 No), and 62.5 kVA (1 No) including all labour, consumables, and spares such as oil, filters, coolant, distilled water, batteries, wiring, and essential electrical/electronic components, except supply of AVR, as per manufacturers recommendations to ensure reliable and safe operation of the DG sets |
| 22 | OD175742/2025-2026:Routine maintenance of all 32 Nos. Aerators (60 HP Induction Motor with reducing gearbox) including labour, consumables, spares, and complete servicing such as gear oil top-up/refilling (30 litres per gearbox), replacement of oil seals, greasing, supply and replacement of bearings, repair works to motors including rewinding of rotor/stator, repair and alignment of aerator fan assemblies and foundations, and necessary wiring works , all complete |
| 23 | OD310589/2025-2026:Restoration, rectification and commissioning of 8 Nos. 60 HP aerators exclusively in Aeration Tank-4, presently non-functional due to prolonged shutdown, including inspection, insulation testing, rewinding if required, replacement of bearings and oil seals, gearbox servicing with oil refilling (30 L), greasing, alignment of motor, gearbox and fan assemblies, foundation and wiring works, trial run and commissioning. (Applicable only to aerators in Aeration Tank-4 and not to aerators in Aeration Tanks 1, 2 & 3). The work shall be executed once at the commencement of the contract and completed within six months, ensuring satisfactory operation for a minimum of three months for each motor |
| 24 | OD176698/2025-2026:Preventive Maintenance to Secondary Clarifiers (4 Nos) including routine maintenance with all consumables, spares and labour, top-up/refilling of gear oil, greasing, replacement of oil seals and bearings, repairing and rewinding of motors, servicing and overhauling of scraper, feed well and regulating valve mechanisms with supply of necessary spares, maintenance of walking bridges and MS platforms including replacement/welding of rusted portions, surface preparation and application of anti-corrosive paint, and replacement of cables wherever necessary, complete in all respects as per OEM recommendations |
| 25 | OD176748/2025-2026:Preventive maintenance of RAS Pump Sets (6 Nos) and WAS Pump Sets, including routine maintenance such as providing gland packing, grease, bearings, shafts, sleeves, and other necessary consumables and spares. The scope includes repairing and replacing worn-out components, rewinding of stator/rotor, repairing or replacing impellers, overhauling regulating valves, pressure gauges, and H.O.T. crane, as well as strengthening foundation bolts and base plates. All consumables and spares required for proper functioning of the pump sets are included |
| 26 | OD176873/2025-2026:Preventive maintenance of centrifuge mechanisms (3 Nos.) including all routine activities: supply of packing materials, grease, V-belts; all mechanical repairs with necessary spares; motor repairs including rewinding; maintenance of polymer dosing systems, feed pumps, agitators, and dosing pumps with required spares; and supply of bearings for centrifuges, motors, and feed pumps, etc., complete. (Rate per year) |
| 27 | OD177019/2025-2026:Preventive maintenance of six (6) non-clog submersible 80 HP pump sets installed at the wet well lifting station, including all routine maintenance activities, supply of consumables and spare parts, replacement of cooling oil for bearings, overhauling of bearings, base plates, impellers, rotor/stator rewinding, renewal of mechanical seals and O-rings, and complete servicing and repair of regulating valves, NRVs, and H.O.T. cranes, including all associated repairing works. Maintenance shall also cover inspection, repair, or replacement of all wiring issues at the top of the motor head, as required. (Rate per year) |
| 28 | OD181856/2025-2026:Preventive maintenance to Non-Clog Submersible Pump Sets (2 Nos) with Septage Receiving Station, including cost of routine maintenance with all consumables and spares such as packing materials, bearings, impellers, and rewinding of rotor/stator. The work shall also include repairing of suction and delivery pipelines, regulating valves, and all related accessories, complete. (Rate per year) |
| 29 | OD181872/2025-2026:Preventive maintenance to Grit Removal Mechanism (2 Units) including repair works to motors and gearboxes, supplying necessary spares such as bearings, oil, grease, and packing materials; repair and replacement works to the classifier including scraper, scraper arm, tying rope/rod, and welding; repair works to grit scraper and organic return pumps including supply of required spares; repairing and rewinding of all drive motors, etc., complete. (Rate per year) |
| 30 | OD181981/2025-2026:Preventive maintenance to Mechanical/Manual Screens (2 Units), including repair works to mechanical screens with supply of necessary spares, greasing, and repair of garbage removal blades. Also includes repair and maintenance of motors and conveyor belts with required spares, complete. (Rate per year) |
| 31 | OD181991/2025-2026:Preventive maintenance for non-clog submersible pump sets (2 Nos) along with the dilution pump house, flushing pumps (2 Nos), vending pump (1 No), de-watering pump (1 No), chlorine booster pumps (2 Nos), and centrifugal pumps for gardening, including routine maintenance, repair works to pipelines and valves, supply of all consumables and spares such as packing materials and bearings, rewinding of rotor/stator, repair works to suction and delivery pipelines, regulating valves, and H.O.T crane, complete. (Rate per year) |
| 32 | OD182006/2025-2026:Cable jointing kit with heat shrinkable kit with ferrules for 3x185 sq mm 11 KV grade cable |
| 33 | OD182007/2025-2026:Cable jointing kit with heat shrinkable kit with ferrules for 3x25 sq mm 1.1 KV grade cable |
| 34 | OD182045/2025-2026:Periodic maintenance of the 11kV HT panel, including servicing of 11?kV VCBs (5 Nos.), checking all terminals, insulators, feeders, and busbars, inspecting the vacuum unit and charging mechanism, testing with a megger, examining relay units, and supplying necessary spares, complete |
| 35 | OD182047/2025-2026:Periodic maintenance of the LT panel (PCC) including servicing of ACBs (8 Nos) and MCCBs (7 Nos), covering inspection and testing of all terminals, feeders, bus bars, insulators, and charging mechanisms, examination of relay units and meggar values, and supply of necessary spares, complete. (Rate per year) |
| 36 | OD182053/2025-2026:Periodic maintenance of the MCC panel (Main and Sub) including servicing of ACBs (3 Nos), MCCBs (4 Nos), Soft Starters (44 Nos), and VFDs (2 Nos) covering inspection and tightening of all terminals, feeders, bus bars, and insulators; checking and testing of charging mechanisms, meggar insulation values, and relay units; and carrying out repairs or replacements as required. The work also includes replacement of worn-out components, preventive maintenance, and supply of necessary spares such as fuses, contactors, overload relays, auxiliary relays, control switches, push buttons, indicator lamps, wiring, bus bar supports/insulators, capacitors, timers, cooling fans, and other electrical components of the panel excluding ACBs, MCCBs, Soft Starters, and VFDs. Complete repair and restoration of the MCC panel to full operational condition is included. |
| 37 | OD182058/2025-2026:Periodic maintenance of electromechanical components, including inspection, repair, and replacement of all electrical parts such as terminals, terminal boxes, contacts, lugs, junction boxes, LCS boxes, underground and open cable joints, as well as earthing strips, earthing systems, and associated earth pits, with verification of all relevant values, completed in full. |
| 38 | OD182130/2025-2026:Comprehensive maintenance of APFC panels (250 + 250 + 180 = 680 kVAR), including supply and replacement of capacitors, servicing of APFC relays and associated components, to ensure power factor is maintained close to unity, complete with all necessary materials and labor |
| 39 | OD182151/2025-2026:Periodic electrical maintenance of street lighting and associated infrastructure, including repair and replacement of all electrical components such as street lights, switches/MCBs, cable terminals, damaged UG/open cables of various specifications, tube lights, halogen lamps, LED floodlights, ceiling fans, exhaust fans, air conditioners, laboratory power supply units, 5/16/32 A modular switches and cases, and wiring networks (MLDB 1, 2 & 3; SLDB 1,2,3,4,5,6), complete |
| 40 | OD182154/2025-2026:Testing of all electrical relays including IDMT, overcurrent, static, and numeric types, as well as all circuit breakers (VCBs and ACBs), to ensure proper functionality and performance, and submission of a test certificate once every year. |
| 41 | OD182273/2025-2026:Comprehensive maintenance of all digital transmitters and Continuous Emission Monitoring System (CEMS) including periodic inspection, troubleshooting, and repair of all associated electronic components to ensure accurate and reliable operation. The work also includes supply and replacement of necessary spares such as display units, sensors, and related accessories wherever required. Calibration of ultrasonic inlet and outlet flow meters, level indicators, FRC analyzer, and Continuous Effluent Monitoring System shall be carried out through authorized agencies, ensuring valid calibration certificates are provided. In addition, provision of internet connectivity with a minimum bandwidth of 50 Mbps shall be maintained for continuous data transmission and system integration. Regular maintenance shall be undertaken for all desktop computers, printers, and UPS units, covering both departmental and contractor equipment, including supply of all required spares, toner cartridges, and other consumables. Maintenance of all laboratory equipment shall also be ensured, including the supply of cuvettes, cells, and instrument test tubes, along with calibration of all analytical instruments to maintain accuracy and performance. |
| 42 | OD182272/2025-2026:Maintenance of automatic chlorination, auto leakage detector, and deactivation system including supply of sensor liquid, caustic soda solution, and ammonia solution; comprehensive servicing of the entire chlorination unit through an authorized or reputed firm at least once a year, including supply and replacement of necessary spares to ensure optimum system performance; and maintenance of breathable oxygen compressor, cylinders, oxygen masks, and eye-wash units including supply of required spares. |
| 43 | OD200895/2025-2026:Hire charges for a vehicle of model 2018 or later for use at the 107 MLD STP, Muttathara, for both plant operations and office purposes. The rate shall include the driver’s wages, bata, detention charges, cost of fuel, maintenance, taxes, insurance, and all other incidental expenses. The vehicle shall be provided in good running condition and made available on Sundays and public holidays as well. |
| 44 | OD182364/2025-2026:Removal of sludge from the sludge drying beds using a JCB (or other suitable machinery), followed by transportation and disposal with tippers/loaders to a designated site as directed by the Assistant Engineer (AE) in charge of the STP. The rate shall apply for the complete cleaning and disposal of sludge far away for one month, covering not less than two beds on an average, including all labour, machinery, and conveyance charges. |
| 45 | OD188780/2025-2026:Disposal of sludge, grit, and waste generated from all units of the STP,including the septage receiving chamber, inlet chamber, CC tank, channels, RAS unit, various chambers, sumps, grit chambers, screens, clarifiers, and other units (except sludge drying beds) using suitable machinery and vehicles like tractors or similar, to the location suggested by the Site Engineer/Officer in charge of the STP, for a period of one year |
| 46 | OD190163/2025-2026:Supply and maintenance of all safety gears and equipment, including PPE for electrical (HT/LT) and mechanical works, sludge management, and fire safety. The work includes providing and maintaining safety helmets, ropes, gum boots, hand gloves, disinfecting agents, oils, soaps, safety eyewear, and necessary caution boards. It also includes updating and refilling existing fire extinguishers, supplying new ones wherever required, and maintaining fire buckets, ensuring all safety provisions are complete in all respects. |
| 47 | OD190162/2025-2026:Repair works for all civil and steel structures, including patching, demolition and reconstruction, painting, and associated labor, equipment hire, and supply of all construction materials. For steel structures, the work includes replacing rusted portions, welding, painting, providing scaffolding, and repairing exterior panels, motor covers, and walkways, with all materials, labor, and equipment supplied as required |
| 48 | OD190161/2025-2026:Periodic maintenance of all DG sets (1250 KVA , 2 nos., 500 KVA , 1 no., and 62.5 KVA , 1 no.) and transformers (2 nos. , 1600 KVA main supply and 1 no. , 500 KVA at the MPS wet well lifting station) shall be carried out at least once during the contract period, including supply of all consumables and spares. The work shall include refilling transformer oil, replacing silica gel in breathers, repairing or replacing terminal contacts, bus bars, and cable duct arrangements, transportation of oil filtration units, painting, and performance and efficiency checks for all equipment. All labor, tools, machinery, and routine maintenance necessary to ensure proper operation and efficient performance of the equipment shall be included under the contract. |
| 49 | OD201241/2025-2026:Heavy-duty 1100 V, 70 sq. mm, 3-core XLPE insulated electrical cable, for replacing the damaged cables at the aeration tank, including charges for replacement and all other associated and incidental charges complete. |
| 50 | OD190290/2025-2026:Painting works to motors, pump sets, and all mechanical components, including handrails, MS ladders, and rails of overhead pulley blocks, using marine-grade anti-corrosive coatings. Motors and reducing gearboxes shall be painted with anti-corrosive, heat-resistant epoxy coatings. Electrical boards and panels shall receive electrostatic powder coating, and all street light poles shall be painted with aluminum-rich or polyurethane anti-corrosive paint. The work shall include proper surface preparation and use of approved quality and colour coatings, suitable for high-corrosion coastal conditions, to protect equipment and steel structures. |
| 51 | 13.44.1:Finishing walls with water proofing cement paint of required shade:New work (Two or more coats applied @ 3.84 kg/10 sqm) |
| 52 | 13.98.1:Wall painting with plastic emulsion paint of approved brand and manufacture to give an even shade:One or more coats on old work |
| 53 | OD190307/2025-2026:Inspection and testing of all underground HT and LT cables, along with associated earthing systems, across the STP campus, including measurement of insulation resistance (megger testing) and earth resistance, with submission of test results once during the contract period |
| 54 | OD200353/2025-2026:Supply of SS impellers with lock nuts for 80 HP sewage Submersible pump set with wet lifting pumping station |
| 55 | OD200351/2025-2026:Supply of bottom plate (CI) for 80 Hp Sewage submersible pump set with wet lifting station |
| 56 | OD200352/2025-2026:Supply of Soft starters for 80 HP sewage submersible pump set with Wet lifting station |
| 57 | OD200350/2025-2026:Supplying SS impellers for 75 HP centrifugal sewage pump with RAS pump House |
| 58 | OD200897/2025-2026:Supply and installation of laboratory equipment , including pH meter, digital DO meter, electronic weighing balance (minimum 3-digit accuracy), vacuum filtration system for suspended solids, and exhaust fan/fuming cupboard, complete with accessories, calibration, and commissioning at site. |
| 59 | OD200898/2025-2026:Supply, installation, and commissioning of minimum 100 LPH RO water purifier of standard make with 304-grade stainless steel skid and housing, comprising multi-stage purification system including pre-filter, sediment filter, activated carbon filter, RO membrane, UV disinfection unit, auto-flush system, and mineral cartridge; suitable for continuous commercial use and delivering safe, high-quality drinking water. |
| 60 | OD310699/2025-2026:Supply and installation of soft starter for MCC unit ( For 60 HP motor XS4000,115A,M200-525VACC110/ 220VAC), MNX140 3P 240V CONTACTOR and SEMI CONDUCTOR FUSE 170M3015 |
| 61 | OD310730/2025-2026:Supply and installation of soft starter for RAS unit. ( For 75 HP motor XS4000,115A,M200-525VACC110/220VAC) , MNX185 3P 240V CONTACTOR and SEMI CONDUCTOR FUSE 170M3016 Please Enable Macros to View BoQ information |
