32/30328/2024_26_4_3

Amount

Part 1 - Repacking of existing conventional filter media

OD95710/2025-2026:Designing filtering media through central/state Govt. Institution-Designing of media filter including under drainage system and air scouring system so that uniform back washing and uniform air scouring is obtained through uniform distribution of back wash water and compressed air, without any loss of the dual layer filter media and to attain the maximum efficient back wash and air scouring. (The media filter bed has to be designed considering the various parameters like raw water characteristics, desired rate of filtration, required filtrate quality etc. The design shall include calculation of depth of different media, considering the parameters like effective size and uniformity coefficient of the media, settling velocities of the media etc. The underdrain system and air scouring system shall be designed to avoid shooting up of lighter when air scouring is done. The design shall avoid interface chocking caused by mixing up of different layers at the interface in media filter beds.)

100.55.5:Removing filter media from the filter beds without making any damages to the existing structures and back manifolds and stacking at a safe and convenient place for segregation process and as per the directions of the department officers etc. complete.

OD95712/2025-2026:Repair / alteration of the underdrain system by replacing all damaged pipes with suitable arrangements and providing all additional mechanisms and fixtures required according to the design of dual-layer filtering system complete.

OD95708/2025-2026:Modification / alteration of the existing back washing system comprising of compressed air / blower and clear water providing new air scouring system, providing new pressure regulating valves or such other mechanisms and fixtures required according to the design of dual layer filter media back washing operations complete

OD95711/2025-2026:Washing and cleaning the filter chamber using approved make cleaning chemicals and rectifying damages of filter walls including glazed tiles, preparing entire chamber suitable for dual media filter refurbishment.

100.55.4:Supplying and stacking for measurement of filter sand having effective size 0.45 to 0.70 mm and uniformity coefficient 1.30 to 1.7, of specific gravity in the range of 2.55 - 2.65 and hard and clean, free from clay, dust and other impurities including cost of materials, labour charges and conveyance of materials up to 5 km and as per the directions of the department officers etc. complete and as per CPHEEO specification.

100.55.1:Supplying of 2 to 6 mm and 6 to 12 mm size fine pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5 km and labour charges for stacking, spreading, testing and as per the directions of the department officers etc. complete as per CPHEEO specifications.

100.55.2:Supplying of 12 to 20mm size pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5km and labour charges for stacking, spreading, testing and as per the directions of the department officers etc complete and as per CPHEEO specification.

100.55.3:Supplying of 20 to 40 mm pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5 km and labour charges for stacking, spreading, testing and as per directions of the department officers etc. complete and as per CPHEEO specification.

OD95709/2025-2026:Trial running and maintaining the filter beds for a period of thirty days, minimum two shifts and providing training to the KWA personnel in the operation and maintenance of the new system including providing knowledge transfer to the concerned personnel assigned for the purpose including all expenses for such training etc. complete

Part 2 - Repairs to filter bed lining

15.23.1:Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead.For thickness of tiles 10 mm to 25 mm

11.40:Providing and laying rectified Glazed Ceramic floor tiles of size 300x300 mm or more (thickness to be specified by the manufacturer) of Ist quality conforming to IS: 15622 of approved make in all colours, shades, except white, Ivory, Grey Fume Red Brown, laid on 20 mm thick cement mortar 1:4 (1 Cement : 4 Coarse sand) including pointing the joints with white cement and matching pigments etc., complete.

13.12:18 mm cement plaster in two coats under layer 12 mm thick cement plaster 1:5 ( 1 cement : 5 coarse sand )and a top layer 6 mm thick cement plaster 1:3 ( 1 cement : 3 coarse sand) finished rough with sponge.

OD182438/2025-2026:Providing and laying in position machine batched and machine mixed design mix M-30 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centring, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve work ability without impairing strength and durability as per direction of Engineer-in-charge.?(Note:-Cement content considered in this item is @ 330 kg/cum.? Excess/ less cement used as per design mix is payable/recoverable separately). Providing M-30 grade concrete instead of M-25 grade BMC/RMC. (Note:- Cement content considered in M-30 is @340 kg/cum). no Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacturer?s specification.-above plinth level

Part 3 - Repairs to valves & pipes

100.31.2.2:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 100mm diameter, Class II.

100.31.1.5:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 200mm diameter, Class I.

100.98.429:Supply of CI Non Return Valve, Conforming to IS 5312 Part I - 1984, PN 1.6, Size 100mm.

100.98.458:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 100mm.

100.98.473:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.0, Size 200mm.

100.12.8:Conveying and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc., but excluding cost of pipes and fittings for External work: 80mm diameter nominal bore.

100.12.10:Conveying and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc., but excluding cost of pipes and fittings for External work: 125mm diameter nominal bore.

100.12.11:Conveying and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc., but excluding cost of pipes and fittings for External work: 150mm diameter nominal bore.

OD95715/2025-2026:Providing 80mm GI pipe

OD95718/2025-2026:Providing 125 mm GI pipe

OD95719/2025-2026:Providing 150 mm GI pipe

OD95720/2025-2026:Providing 80 mm GI bend

OD95717/2025-2026:Providing 125 mm GI bend

OD95716/2025-2026:Providing 150 mm GI bend

Part 4 - Upgrading electrification facility

OD136494/2025-2026:Supply and providing 5 Kg. Dry Chemical Powder type Fire Extinguisher with ISI marking with hose and clamps including fixing it to wall as required.

OD136504/2025-2026:Earthing with GI earth pipe 4.5m long, 40mm dia including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe with charcoal/coke and salt as required.

OD136501/2025-2026:Supply of the following light fitting/LED tube set/ fluorscent fitting /LED bulb to complete with all accessories light fitting of high quality reputed make

OD136502/2025-2026: Wiring for light point / fan point /exhaust fan point/call bell point with 1.5sqmm FR PVC insulated copper conductor single core cable in surface/ recessed medium class PVC conduit, with modular switch, modular plate, suitable GI box and earthing the point with 1.5 sqmm FR PVC insulated copper conductor single core cable etc required

OD136493/2025-2026:Installation, testing and commissioning of ceiling fan, including wiring the down rods of standard length (upto 30 cm) with 1.5 sq. mm FRLS PVC insulated, copper conductor, single core cable, including providing and fixing phenolic laminated sheet cover on the fan box etc. as required.

OD136495/2025-2026:Supply of the following light fitting to complete with all accessories.-LED 4 feet tube/ light fitting of high quality reputed make

OD136497/2025-2026:Supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc. as required.

OD136499/2025-2026:Rectification work for the existing starter for the panel board of pump and motor and its maintenance etc

OD136503/2025-2026:Rectification work , testing of clari flocculator unit such as the scraber blade paddle gear box etc and all parts As per the direction the department officials as per the requirements including supply the the damaged parts and panting etc. complete as per the direction of departmental officers.

Part 5 - Providing potassium permanganate dosing

OD134953/2025-2026:Supplying Sintex water tanks for the best & trusted water storage .Ensures safety & hygiene of stored water. Phthalate-Free Granules & Additives: No cancer-causing materials are present. 100% UV Stabilized Tank and Lid: Sun rays cannot reach the water, no algae formation

OD135164/2025-2026:Providing 15mm (1/2 inch) connection from existing PVC mains up to 110 mm dia., up to a length of 5 m using 20mm Indian Standard Class 6 uPVC pipe and uPVC / GM / Brass specials viz. brass ferrule, GM full way wheel valve, Elbow, MTA, FTA, couplers, . and connecting with the mains, testing the joints etc. as per the direction of department offiials

100.9.2:Laying uPVC pipes of class 2 to class 6 and specials, lowering to the trenches already made, placing in position aligning the pipeline to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipeline with water to the required test pressure (excluding cost of pipes and specials): 25 mm nominal outside diameter pipes.

100.98.230:Supply of PVC Pipe, 10kg/cm2, 25mm Dia.

OD136489/2025-2026:Supply and fixing PVC tap

Part 6 - Providing chlorine tonner (standbye at WTP)

OD111234/2025-2026:Supply of 930 kg capacity New Empty Chlorine Gas tonner with valve and guard certified with CCOE, Nagpur (Chief Controller of Explosives Nagpur) andLRA -(Llyod Registrar-Asia)-A Third Party conducting all the test onbehalf of CCOE for getting filling permisiion of Chlorine Gas with all the Test and Explosive Certificates to KWA for testing and registration and for filling Chlorine Gas at TCC, Cochin. including transportation and unloading charges

Part 7 - Providing VT pumpset (standbye at RWPH)

Part 8 - Finishing jobs (urgent painting works)

13.52.1:Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.On steel work

13.48.1:Finishing with Deluxe Multi surface paint system for interiors and exteriors using primer as per manufacturers specifications:Two or more coats applied on walls @ 1.25 ltr/10 sqm over and including one coat of special primer applied @ 0.75 ltr /10 sqm

13.62.1:Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade:Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture .

TJ Binu (BID ID -2421285)

Bidder Name

Simon TJ

TJ Binu