Improvement of water quality by up-gradation of existing 10,000/ 7,500/ 5,000/ 2,500 GPH capacity package type Iron Removal Plant attached with DTW schemes at different locations under DWS Sub-Division Barpathari during the year 2026-27.

Lifting of filter media from package type IRP filter chamber as per specification and the direction of the Engineer-in-charge.

Charges for spreading of filter media ( sand and gravel after proper cleaning and washing ) inside the package type IRP as per specification and the direction of the Engineer-in-charge. ( excluding the cost of sand and gravel ).

Opening of the Oxidation Vessel and Mixing Chamber, remove the old media scraping inside/outside clearing properly painting inside by anti corrosive black bituminous tic paint and painting outside and refilling fresh mendia (MnO2) required will be supplied by the dept at free of cost as per direction of the Engineer-in-Charge.

Repairing of non-functional AirBlower 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.

Providing & fitting fixing Motor for air compressor and air Blowerof IRP after replacing the existing air compressor motor as per specification & direction of the Engineer-in-charge.

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

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

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

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 Engineerin-charge.

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.