e-NIT NO-08/NaxalbariG.P./2025-2026 (2nd Call), OPERATION AND MAINTENANCE OF DRINKING PIPED WATER SUPPLY SYSTEM WITHIN NAXALBARI G.P. SOURCE OF FUND - 15TH CFC TIED-2025-26

Supplying, fitting and fixing PVC pipes for underground work of approved make of Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted including cost of all materials ,jointing materials, cutting pipes, making threads ,cutting trenches upto 1.5 metre below surface in all sorts of soil and refilling the same as directed complete in all respect. (Payment will be made on the centre line measurement of the total pipe line including all specials No separate payment will be made for accessories, specials.) Supply of PVC pipes & fittings Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I).

Supplying PVC strainer of approved make with adapter conforming to I.S.12818 specifications. iv) 100 mm dia.

Supply , transport , installation and commissioning of Solar PV installation for water pumping system consisting of solar panels (TATA / Websol/Soltech ) framed in anodized aluminium frame mounted on stable hot dipped galvanized ( min 80 micron thickness) mild steel structure of rectangular hollow sections, angles, heavy duty pipes (all materials duly IS marked ) for providing sufficient strength with dual axis manual tracking arrangement which can withstand load of modules and high wind velocities upto 150 Km/hr, having RCC foundation designed against all possible loads (Dead, Live and imposed load). Modules supplied with the SPV system should have certificate as per IEC 61215 specification or equivalent National or International standards and must be interconnected with 4/6 sq.mm cables routed in PVC conduits properly fitted along the G.I structure to provide a good aesthetic view. Modules must qualify to IEC 61730 part I and part II for safety qualification testing. The power output of individual PV modules used in the PV array, under STC, should be of 335 Watts peak, with adequate provision for measurement tolerances. Solar cells should be crystalline silicon cell with min. efficiency of 14% and fill factor more than 70%, should be laminated between sheet of -Ethylene Vinyl Acetate (EVA) and high transmissivity 3.2mm tempered glass including appropriate DC to AC inverter and power controlling unit (protected with IP65 class enclosure) with MPPT technology to run at low sunshine and minimum 7 hours a day run with all necessary accessories suitable for solar + grid operation and including all protections of AC induction motor pump ((Royal / Websol/Watertech ). There should be a display of all measurable parameters including storing of data at a set interval and transfer it in a pendive thru USB port . There should also be provision of interfacing GPRS based data transmission. The rate is inclusive of manufacturer's warranty and comprehensive maintenance for 1st year and comprehensive maintenace for 4 years beyond Ist year.

Supplying P.V.C. water storage tank of approved quality with closed top with lid (Black) - Multilayer (d) 2000 litre capacity.

Supply, Installation testing & Commissioning Express Water 600 GPD Commercial Water Filtration System – 5 Stage High-Capacity water Filtration – Includes Pre-Filters, Pressure Pump, Controller, Gauges, and Membrane. with Solar Power Pump motor 1KW sets. Commercial Water Filter: Remove up to 99.99% of contaminants including Lead, Chlorine, Fluoride, Cyanide, Giardia, Radium, Asbestos, Calcite, Heavy Metal, Bacteria, Viruses, Pharmaceuticals, and other major contaminants. High Quality Commercial water System: Express Water Commercial Water Filtration Systems are designed to be compact and durable. Built with a stainless-steel frame, all components are protected and compactly organized for maximized storage Efficient Commercial Water Filter: This Commercial water Filter is outfitted with a pre-installed computer interface module and easy-to-read gauges for maximum control and efficiency in your commercial water filter system. 5 Stage Commercial water Filter: Express Water 5 Stage Commercial Water Filter Systems includes 5 micron Sediment filter, 2 Activated Carbon Block filters, Post-Activated Carbon filter and Membrane for clean, clear, and fresh water wherever need it. Water test report is to be provided as per the direction of the EIC.

Supplying, fitting and fixing bib cock or stop cock. (e) PTMT (Polytetra Bib Cock / Stop Cock ( Prayag or equivalent)

Supplying, fitting and fixing bib cock or stop cock. (e) PTMT (Polytetra Bib Cock / Stop Cock ( Prayag or equivalent)

Plain Floor Trap with Top tile & Strainer 75 mm

Supplying, fitting, fixing, Chain link fencing of approved quality with R.C.C posts wooden posts or iron posts by means of galvanised "C" clips to grid of horizontal strands of galvanised high tensile spring steel wire of 12 S.W.G which have to be tensioned and fixed to the vertical posts by means of galvanised special clips, bolts and nuts etc

Li) Nahani Trap

Supplying, fitting-fixing of Display board at working site including writing with carring all other charges completed. ( L.S.)

Add CGST and SGST 18%

Add Cess 1%