NIET_WBPHE_45_ND_OF_2025_26

Construction/Installation of CPP unit Consists of . a)Providing and installation of 100 mm x 40 mm dia. tubewell with water jet system with supply and instalation of all PVC pipes and strainers of approved make (medium duty) conforming to ASTMD-1785 with all necessary accessories, specials with adapter conforming to 15: 12818 of adequate length, with supply of all pipes, strainers and other materials (steel cutter piece, plug, reducer, housing clamp of M.S. Plate etc.), labours, carriage, collection of tube well water and performing bacteriological and chemical tests (including Arsenic test) all complete as per direction of the Engineer-in-charge [Total depth of tubewell-200.0 m; 125 mm dia. Housing pipe-45 m; 40 mm dia. Well pipe -147.8 m, 40 mm dia. Strainer-7.2 m.). NOTE: 1) Deduction @ Rs. 318 per m has to be made for depth of Tube Well less than 200 m

b) Supplying, installation and lowering in position Solar Panel based Submersible pumping machinery (stainless steel abricated components) with solar cable & cable connector Kit, PV Panel (IEC 61215:2015 certified), Controller, Overhead protection, Dry run protection, Auto Restart facility, Float Switch with Water Level sensors, software for start-up of motors, making necessary connections with treatment units with supplying Controller box with necessary wiring, switch board and applying 32 mm dia. PVC column pipe 42 m length as per direction of the EIC i) Solar Panel configuration: 4 panels of 325 Wp (72 cell) each (Solar Panel to be installed on top of M.S. Supporting structure); Submersible pump capacity 1.0 HP, 14 stage, 32mm outlet dia (Preferably oil filled) KSB/Crompton or renowned brand.

c) Supplying and erecting in position M.S. Supporting structure for supporting PVC Tanks (as shown in the Dept. drawing) and Solar Panel, 5 mm M.S. chequerred plate at top platform (2m X 2m), 1.5. Ladder (suitably placed, Supplying and installation in position PVC tanks, all necessary pipeline connections with 32/25 mm dia, PVC pipe from Tube well to delivery through Treatment unit, all complete with all pipes, sperials, valves, 3 nos. Bib Cocks fitted to treated water tank all complete as per direction of the EIC.

d) Construction of 3 m X 3m X 03 m platform around Arsenic treatment Units and MS supporting structure including Fencing and Gate with locking arrangement all complete as per departmental drawing.

e) Construction of Surface Drain about 15 m length and 2 numbers of Soak Pit of 900 mm dia. and 775 mm overall depth including 75 mm dia. UPVC drain pipe 5 m long as per drawing no. P&D D-IV/292/12-14) and as per direction of the EJC NOTE Deduction @ Rs. 850.00 has to be made for each m of less length of drain than 15 m)

f) 3000 Lit Raw water tank and 2000 Lit treated water tank.

Supplying installation commissioning and trial run (for 3 months) of Water Treatme unit for removal of Iron and Arsenic below permissible limit as per IS. 10500-2012 including supply of all required media (vessels design for latest IS code with minimum 3mm thick), Food grade epoxy coating inside, outside Painting with best quality synthetic enamel paint of approved make, all necessary 25 mm dia. G.1. pipeline medium duty), valves, 3 bibcocks fitted after each treatment unit to collect water sample for testing, meters and making arrangement of connection with existing pipeline as per specification and drawing and direction of the EIC Quantity volume of all media are mentioned in the departmental drawing and to be followed strictly. Treatment unit size: 1. Oxidation chambe: 250 mm dia X 1200 min depth (1 no) 2. Pre Filtration unit 250 mm dia X 1200 mm depth (1 no) 3. Arsenic treatment unit: 250 mm dia X 1200 mm depth (2nos) 4. Backwash chamber: 350 mm dia X 1200 mm deph (1 nos) 5. UV treatment unit of adequate capасну Adsorption capacity of Arsenic media should not be less than 45g Arsenic per kg of Arsenic Media (dry weight) and must have certificate from CSIR IIT or other Goverment reputable Institutions. Imported media must have NSF certification in addition to the above certificate.

Construction of community tank (1000 lit capacity PVC tank with locking arrangement) rested on support slab with 4 numbers bib cocks to collect water, upto a distance of 50 m from the treated water storage tank including cost of supplying and laying of 50 m 25 mm dia. PVC pipe as per departmental drawing (Deduction @ Rs. 191.00 has to be made for each m of less length of pipeline than 50 m).

Construction soakpit for management of waste water from street stand post/community tanks.

Construction of street stand post with platform upto a distance of 50 m from the treated water storage tank including cost of supplying and laying of 50 m 25 mm dia. PVC pipe as per departmental drawing. (Deduction @ Rs. 191.00 has to be made for each m of less length of pipeline than 50 m).

Operation and maintenance of entire installations for 5 years (except day to day operation) which includes: a) Cleaning of site, checking of valves and pipes, checking of electrical connections, cleaning solar panel etc. Twice in a month; b) Replacement of damaged Valves, Bib cocks and any other parts of all units as and when necessary, c) Repair/ replacement of pumping machinery i/e controller, PV Panel, wiring, switches etc. as and when necessary; d) Painting of M.S. structure and all painted surface at the end of each year.

Complete overhauling of Oxidation Vessel, Pre-Filter Vessel and Back-wash Vessel as and when required by engagement of labour & equipments (the work to be executed on written permission from the EIC.) which includes: a) Complete removal of media from the vessels, breaking of clots and thorough washing and cleaning of all media; b) Placement of all media with 10% fresh new media (lost during washing) including cost and carriage of the fresh new media

Complete replacement of MnO2, and Green sand in the Oxidation Vessel and Pre-Fliter Vessel as and when required by engagement of labour & equipments (the work to be executed on written permission from the EIC.) which includes: Complete removal of old media from the vessels and placement of new media including cost and carriage.

Engagement of labour for daily operation @Rs.100.00 per day for 5 (five) years

Supplying, fitting and fixing PVC pipes of approved make of (medium duty) conforming to ASTMD-1785 and threaded to match with GI Pipes as per IS: 1239 (Part - 1). with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket. reducing tee, short piece etc. fitted with holder bats clamps. including cutting pipes, making threads, fitting, fixing etc. complete in all respect including cost of all necessary fittings as required jointing materials and two coats of painting with approved paint in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials. Payment for painting will be made seperately) (a) For Exposed Work PVC Pipes (Dia) 25 mm

Add GST @18.0 % on (total of Sl. No. 1.01 to 10.02)

Add Cess @1.0 % on [(total of Sl. No. 1.01 to 10.02) + GST]