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| 1 | Providing & fitting fixing of 6\"diaphragm Valve ISI quality as per departmental sample after dismantling existing damaged valve complete as per direction of the Engineer-in-charge. |
| 2 | Providing & fitting fixing Motor for air compressor of IRP after replacing the existing air compressor motoras per specification & direction of the Engineer-in-charge. |
| 3 | Providing & fitting fixing Motor for Air Blower of IRP after replacing the existing air compressor motoras per specification & direction of the Engineer-in-charge. |
| 4 | Providing and fixing CIDF Butterfly valve with bolts, nuts,rubber insertions etc. complete as per CPWD specification and direction of the Engineer - in - charge. ( The tail pieces,tappers etc if required will be paid separately )i. 150mm dia |
| 5 | Providing and fixing G.I. Bend /elbow in the pipe line including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge. i. 25mm dia |
| 6 | Providing and fitting fixing steel sheet enclosed switch fuse unit (suitable for DIN fuses), triple pole with Neutral Link (TPN), 415/500 Volt, L & T / Havells / BCH make etc.complete as per specification and direction of the Engineer-incharge. i. 32 amps |
| 7 | Providing and fitting fixing of 6 feet x 4 feet x 1 inch (thickness) Gamair wood / plywood pannel board for fitting fixing of electrical items, in/c 2 nos MS angle post ( size 2 inch x 2 inch x 9 feet ), nuts & bolts etc. for irrection of the same by 1:1.5:3 cement concrete casting ( 1 feet x 1 feet x 2 feet) below the ground level and painting two or more coats & plastic paint as per specification and direction of the Engineer-in-charge. |
| 8 | Providing and fitting fixing of moving iron type, Range 0-500 V, 96 mm x 96 mm size AC Volt meter ( L & T / AE make) with selector switch as a electrical instrument of the pannel board as per specification and direction of the Engineer-incharge. |
| 9 | Providing and fitting fixing of moving iron type, Range 0-100/0-200 amps, 96 mm x 96 mm size AC Amps meter direct reading type ( L & T / AE make) with selector switch and CT coil as a electrical instrument of the pannel board as per specification and direction of the Engineer-in-charge. |
| 10 | Providing & fitting fixing of MS flange ( 8 mm wall thickness ) by welding with G.I. / MS pipe and placing position as per specification and the direction of the Engineer-in-charge.i. 150mm dia |
| 11 | Providing and fixing G.I. pipes medim class as per IS : 1239 with latest amendment complete with G.I. fittings including trenching and refilling, cutting and making good the walls etc.complete as per CPWD specification and direction of the Engineer - in - charge.i. 25mm dia |
| 12 | Providing & Placing of filter gravel having effective size of 3mm to 25mm uniformity co-efficient of not morethan 1.70 and or less than 1.30 obtained from Barker River, West Bengal as per specification and direction of the Engineer-in-charge. |
| 13 | Providing & Placing of rapid gravity filter Sand having effective size of 0.5 mm to 1.00 mm and uniformity co-efficient of more than 1.70 and or less than 1.30 obtained from Barker River, West Bengalas per specification and direction of the Engineer-in-charge. |
| 14 | Providing & placing of anthracite Coal (3mm to 6mm) of SP gr. 1.4 in IRP as per direction of the Engineer-in-charge. |
| 15 | Supplying, cleaning and placing of Mno2 ( Size 20 mm to 40 mm) oxidation chamber between two plates in/c. Removing exizting old Mno2 from the chamber and disposed within 50 mtr. Lead complete as per direction of the Engineer-in-charge. |
| 16 | Providing and fitting fixing of Water pressure meter (0.0-14.0Kg) sqm) as per relevant IS Specification and the direction of the Engineer in-charge. |
| 17 | Providing and fixing M.S .bolts up to 300mm in length with nuts and Washer Complete as per clauses Chapter -101 of CPWD Specification. |
| 18 | Providing and fitting fixing with PVC insulated single core multistrand Copper cable conforming to IS : 694 for inter connection with all electrical equipments of the pannel board as per specification and direction of the Egineer-in-charge.i. 16 sqmm |
| 19 | Providing & fitting fixing of Electrical starter of approved quality for compressor and agitator as per departmental sample demolishing the existing damaged starteras per direction of the Engineer-in-charge. |
| 20 | Providing & fitting fixing Non-return valve ISI quality as per departmental sample demolishing the existing damaged valve as per direction of the Engineer-in-charge. i. 2 1/2 \" Non-Return valve |
| 21 | ii. 1/2 \" Non-Return valve |
| 22 | Providing & fitting fixing 1.0\" Non-return valve ISI quality as per departmental sample demolishing the existing damaged valve as per direction of the Engineer-in-charge. |
| 23 | Labour charge for opening of manhole and unloading of filter media from pressure filter grade wise, throw washing of filter media, replacement of demaged strainer, scraping of inside wall of filter vessel etc. complete as per direction of the Engineer-in-charge. |
| 24 | Opening the Oxidation Vessel & mixing chamber ,remove the old media, Scrapping inside/outside Cleaning properly ,painting inside by anticorrosive black bituminous tic paint & painting outside & re- filing fresh media (Mno2 ) required will be Supplied by the Departmentatfree of Cost Complete as per direction of the Engineer-in-Charge. |
| 25 | Painting with black anticorrosive bitumastic paint ( one or more coats ) of approved brand and manufacture on old work to give an even shade including preparation of surface as required complete as per direction of the Engineer in charge. |
| 26 | Supplying and fitting fixing of strainer of approved quality complete as per direction of the Engineer-in-charge. |
| 27 | Dismantling old plaster or pointing, ranking out joints, cleaning and preparing the surface for re-plastering or re-pointing including disposal of rubbish to the dumbing ground with all leads and lift etc. complete as direction of the Engineer-in-Charge. |
| 28 | 12 mm cement plaster of mixCement mortar 1:4 (1 cement : 4 fine sand) |
| 29 | Neat cement punning. |
| 30 | Providing and laying cement concrete 1:2:4 (1 cement: 2 fine sand : 4 graded well burnt brick aggregate) flooring finished with a floating coat of neat cement including cement slurry, rounding of edges and strips and cost of glass strips etc. complete. |
| 31 | Finishing walls with water proofing cement paint of required shade of approved brand and manufacture [Payment shall be made after submission of Test Certificate issued by the Manufacturer] :New work ( two or more coats applied @ 3.84 kg/10 sqm) |
| 32 | Dismantling GS sheet roofing including ridges, hips, valleys, gutters wind ties etc. including dismembering and stacking of serviceable materials and unserviceable materials separately with all lifts and upto a lead of 50 m etc.complete as per direction of the Engineer- in-charge. |
| 33 | Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6mm angle iron and 3mm M.S. gusset plates at the junctions and corners, & with cleats with bolts & nuts,rivets, locking arrangement, handles, hooks & eyes, pinlets including embedding in cement concrete of required grade for fixing in position, all necessary fittings, including applying a priming coat of approved steel primer etc. complete as required:- i) Using flats 30x6mm for diagonal braces and central cross piece. |
| 34 | Providing corrugated G.S. sheet roofing including vertical/curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead and including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to any pitch in horizontal/ vertical or curved surfaces) excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.i.0.63mm thick with zinc coating not less than 275gm/m2 |
| 35 | Repairing of non-functionalAir Blower of 300m³/hr. Capacity by dismantling, replacement of damaged parts , oiling, breezing and re-assembling, re-alignment and mtc. Pulley, motor, pally etc to make the Blower functional as per direction of the Engineer -in-charge. |
| 36 | Providing & fitting fixing of 1/2\" PVC pipe ISI Quality as per departmental sampledemolishing the existing damaged pipeas per direction of the Engineer-in-charge. |
| 37 | Rewinding of Horizontal Motor suitable for centrifugal pumps by complete dismantling in/c providing & rewinding with Super enamelled copper conductor (as per IS : 13730 Part-3 ) conductor & all necessary spare parts and reassembling the same including servicing of rotor & necessary trial run as per specification and direction of the Engineer-in-chargei. 0 .5-1.5HP |
| 38 | iii. 3 - 5 HP |
| 39 | Painting on G.S. sheet with synthetic enamel paint ( one or more coats ) of approved brand and manufacture of required colour to give an even shade on old work including preparation of surface as required complete as per direction of the Engineer in charge:- |
