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| 1 | Providing and fixing G.I pipes medium class as per IS:1239 with latest amendment complete with G.I fittings in/c trenching & refilling, cutting & making good the walls etc. complete as per CPWD specification & direction of the Engineer-in-charge. A. External Work i. 80 mm dia Nominal bore |
| 2 | ii. 150 mm dia Nominal bore |
| 3 | 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. 150 mm dia |
| 4 | Providing and fitting fixing of brass full way valve with handle in the GI pipe line including cutting, threading etc. complete as per CPWD specification and direction of the Eng-in-charge. i. 15 mm dia |
| 5 | Providing and fixing G.I Bend /elbow in the pipe line including testing of joints complete as per CPWD specification & direction of the Eng-in-charge. i.80 mm dia |
| 6 | ii. 150 mm dia |
| 7 | Lifting of filter media from package type IRP filter chamber as per specification & the direction of the Eng-in-charge. |
| 8 | Providing & placing of anthracite coal (3mm to 6mm) of SP gr. 1.4 in IRP as per specification & direction of the Engineer-in-charge. |
| 9 | Providing & placing rapid gravity filter sand having effective size of 0.50mm to 1.00mm & uniformity co-efficient of not more than 1.70 & or less than 1.30 obtained from arakar river West Bengal as per specification and direction of the Engineer-in-charge. |
| 10 | Providing & placing filter gravel having effective size of 3.00mm to 25mm & uniformity co-efficient of not more than 1.70 & or less than 1.30obtained from Barakar river, West Bengal as per specification & the direction of the Engineer-in-charge.. |
| 11 | 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 & direction of the Eng-in-charge. |
| 12 | Rewinding of Horizontal motor suitable for Centrifugal pumps by complete dismantling in/c providing & rewinding with super enamelled copper conductor & all necessary spare parts & reasssembling the same in/c run as per specification & direction of the Eng-in-charge . i.0.5-1.5 HP |
| 13 | ii. 3.0-5.0 HP |
| 14 | Providing and fitting fixing of pressure meter ( 0.0 - 14.0 Kg/ sqcm.) as per specification and as per specification & the direction of the Eng-in-charge. |
| 15 | Providing & fitting fixing of G.I flange(10mm wall thickness) by welding with G.I/MS pipe and placing position as per specification & the direction of the Eng-in-charge. i. 150 mm dia |
| 16 | Providing structural steel work in single saction fixed with or without connecting plate in/c cutting, hoisting, fixing in porition & applying a priming coat of approved steel primer all complete as required. |
| 17 | Providing and fixing hard drawn steel wire fabric of size 75 x25 mm mesh or other suitable size wire mesh to be fixed & firmly anchored to the concrete surface by means of \\"L\\" shaped mild steel shear key welded with existing reinforcement including the cost of materials,labour, tool & plants, as required and as per direction of the Engineer-in-charge. |
| 18 | Providing and fixing MS bolts including nuts and washers complete as per stander design.i. Upto 300mm length. |
| 19 | Welding by Gas or Electric plant including transportation of plant at site etc. complete as per standard design. |
| 20 | Applying priming coat(Payment shall be made after submission of Test Certificate issued by the manufacturer) With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/steel works. |
| 21 | Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete . |
| 22 | Painting with enamel paint (one or more coats) of required colour 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. |
| 23 | Repairing of nonfunctional air blower of 300m3 /hr. capacity by dismantling, replacement of damaged parts, oiling, greasing & reassembling, realignment of mtc pulley, motor pulley etc. to make the blower functional as per direction of the Eng-in-charge. |
| 24 | Providing & placing of Mno2 (effective size 20mm to 40mm) inside the oxidation chamber after taking out the existing damaged mno2 as per direction of the Engineer-in-charge. |
| 25 | Providing & fitting fixing of conical type strainer(PVC) of approved quality as per departmental sample after demolishing existing damaged strainer as per direction of the Engineer-in-charge. |
| 26 | Providing and fixing of non-return valve ISI quality as per departmental sample after demolishing existing damaged valve as per direction of the Engineer-in-charge.i. ½\\" non-return valve. |
| 27 | Supplying and fitting, fixing in position of polythene pipe of approved quality including trenching refilling complete. |
| 28 | Providing and installation of 5.0 HP Air Blower Motor (SPECTRUM Make) of approved quality in/c necessary arrangement as per direction of the Engineer in Charge. |
| 29 | Providing and installation of 3.0 HP Air Compressor Motor (SPECTRUM Make) of approved quality in/c necessary arrangement as per direction of the Engineer in Charge. Please Enable Macros to View BoQ information |
