Public Works Department-PWD has published Retrofitting Of Existing Schemes Of 15Th Fc/Jjm Fund In North Tripura District In The Year 21-22 /Sh-Replacement Of Different Types Of Filter Media,Anthracite, Sand,Gravel,Blower,Compressor Etc Of Package Type Irp Of Dws Subdivision Dharmanagar/Gr-Ii Retr. Submission Date for this Tender is 14-12-2021. Blowers Tenders in Dharmanagar Tripura. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Lifting of filter media from package type IRP filter chamber as per specification and the direction of the Engineer-in-charge. |
| 2 | Providing & fitting fixing of polypropylene double hexagonal nut strainer (threaded type) inside the IRP vessel as directed by the Engineer-in-Charge |
| 3 | Providing and placing filter gravel having effective size of 3.00 mm to 25 mm & uniformity co-efficient of not more than 1.70 and or less than 1.30 obtained from Barakar river, West Bengal as per specification and the direction of the Engineer - in-charge |
| 4 | Providing and placing rapid gravity filter sand having effective size of 0.50 mm to 1.00 mm & uniformity co-efficient of not more than 1.70 and or less than 1.30 obtained from Barakar river West Bengal as per specification and the direction of the Engineer - in - charge |
| 5 | Providing and placing of anthracite coal ( 3 mm to 6 mm) of SP gr. 1.4 in IRP as per specification &direction of the Engineer-in-charge. |
| 6 | Supplying, cleaning & placing of MnO2 (size 20mm to 40mm) inside the Oxidation Chamber between two plate in/c removing existing old MnO2 from the chamber disposal within 50 m lead complete as per direction of the Engineer-in-Charge. |
| 7 | Charges for spreading of filter media ( sand and gravel ) inside the package type IRP as per specification and the direction of the Engineer-in-charge. ( excluding the cost of sand and gravel ) |
| 8 | 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 |
| 9 | Supplying and fitting fixing of 5/8 x 2 inch nut bolts of approved quality as per direction of the Engineer-in-Charge. |
| 10 | Maintenance of air blower, air compressor, starter & main switch, electric wiring etc. complete as per direction of the Engineer-in-Charge. |
| 11 | Providing structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete as required. |
| 12 | Painting with synthetic enamel paint, having VOC (Volatile Organic Compound) content less than 150 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour [Payment shall be made after submission of Test Certificate issued by the Manufacturer]. 12.49.2) Two coats |
| 13 | 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-in charge. i) 63 amps |
| 14 | 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. forirrection 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. |
| 15 | 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 Engineer-in-charge ii. 16 sqmm |
| 16 | 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-in charge |
| 17 | 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 |
| 18 | Providing and fitting fixing 3 phase indicating lamp fiited with panel board with three different colour lamps with batten holder complete as per specification and direction of the Engineer-in-charge |
| 19 | Providing and fitting fixing of Moulded Case Circuit Breaker (MCCB) of different Thermal release range , 415 + V, 50Hz (L & T, BCH, ABB make) as per specification and direction of the Engineer-in-charge. 1) 50-63 Amps |
| 20 | Providing and fitting fixing of DOL Starter suitable for7.5 HP with relay range 11-18 A, 3ph , 415 + V, 50Hz (L & T, BCH, ABB make) as per specification and direction of the Engineer-in-charge. |
| 21 | Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering -All work upto plinth level: 1) 1:2:4 ( 1 Cement: 2 fine sand : 4 graded stone aggregate 40 mm nominal size) |
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