NIT No 11/2025-26/CORE/STW(S)/JAL(AI) DIV/2

PROCUREMENT OF MATERIALS 100 mm nominal dia 5.00 mm thick uPVC Blue Casing Blank pipe. made as per IS 12818 / 2010. UPVC BLUE CASING PIPES MADE AS PER IS: 12818/2010 (NOMONAL DIA 100 MM, WALL THICKNESS 5 MM, CM- CASING MEDIUM UPTO 250 METRE DEPTH) (iv) 100 mm dia.

100 mm nominal dia 5 mm thick uPVC Blue ribbed screen / strainer (Filter MEDIUM) made as per IS 12818 / 2010 UPVC BLUE RIBBED SCREEN PIPES (FILTERS) MADE AS PER IS: 12818 / 2010 (NOMONAL DIA 100 MM, WALL THICKNESS 5 MM, RMS- RIBBED MEDIUM SCREEN UPTO 250 METRE DEPTH) (i) 100 mm dia.

75 mm dia LAY FLAT HOSE (Non-ISI) (i) 75 mm dia.

DRILLING OF STW a) Drilling of borehole by direct rotary rig through any kind of soil or rock down to required depth by using not more than 215 mm dia. drill but including arrangement of water for the bore hole all complete. N.B. :- (a) For Siliguri Sub·Divn./ Alipurduar Sub·Division/ Malbazar Sub·Division/ Tufunganj Sub·Division / Chopra Block (under Uttar Dinajpur District)/ Birbhum District/ Purulia District / Bankura District / Paschim Midnapore District (except Ghatal, Daspur-l and II Block), the above rates shall be enhanced by 10%. ii) for lowering 100 mm dia GI / PVC pipe (a) 0 mtr. to 30 mtr.

(b) 30 mtr. to 60 mtr.

Labour charges for lowering of pipe, strainers, blank pipes etc. and fitting, fixing the same including cutting, threading where neccessary complete including bucket washing and other incidental works in this connection. (ii) 100 mm dia GI / PVC Blank pipe, Bottom Plug with cutter, Brass Jacketted / stainless steel strainer.

b) Supply of gravel for use as pack in tube well of 2 mm to 4 mm. size(as per IS:4097) and gravel treatment of tubewell including screening, washing, cleaning etc. of the gravels at the site, all complete as per direction of the Engineer-in-Charge. For site at any District of West Bengal up to 60 KM distance from quarry

Supplying, fitting and fixing including supplying of suitable jointing compound for fixing in position, threading, if necessary etc. all complete. (a) 100 mm. dia. CI cutter piece upto 450 mm. long with socket.

(b)P.V.C Flexible Hose Pipe, ISI Marked IS:15265, 100mm dia Suction Hose

g) 250 x 50 x 6 mm thick, 80 / 100 mm dia, M S Supporting clamp with 2 nos 12 mm dia 65 mm long bolts, nuts,washer, on each side.

h) 80/100 mm dia plug of approved make conforming to IS specification .

Cement Concrete (1:2:4) Base Block of (600 x 600 x 300 mm) for fixing base of P- tube.

Washing and development by pumping with 30 cum per hour capacity pump for a period till sand free water comes out and the discharge is about 30 cum per hour, followed by final yield test; inclusive of all tools, plants and scaffolding and hire charge of submersible pump, generator etc. all complete.

Labour charges for testing of 5 H.P. Pump set at site for at least 1 (one) hour including supplying necessary fuels and lubricants.

Charges for Mobilisation of drilling equipments, tools & plants etc and transportation of of departmental materials from any sub divisional store to work site and returning excess departmental materials if any, to the same sub divisional store after completion.

Supplying, fitting and fixing G.I. cap at top

INSTALLATION OF SOLAR SYSTEMSOLAR ITEM NO- 1Solar Module: Supply , transport , installation and commissioning of ISI marked Solar Modules as per following specification: 1. Cell: Indigenous mono crystalline silicon SPV cells 2. Solar Module: Monocrystalline cell with PERC technology / module with bifacial cell. 3. Standards: ISI marked as per IS 14286 and having certification of IEC 61853(1), 61730(1&2), 61710 4.Modules must qualify to IS 170210 (Part 1) 5.Min. Efficiency: 19.5%. 6. Fill factor: More than 75% . 7. Module wattage mismatch in the SPV array: within ±3% 8. Wattage output warranty:Should not be less than 90% at the end of 10 years and 80% at the end of 25 years.9.The power output of individual PV modules used in the PV array, under STC: minimum 300 Wp. Necessary test certificates also to be supplied. For detail information please see Cl. no. 2.1 of technical specification . c)For 3 HP Off-grid Solar Water Pumping System with Monocrystalline/ Monocrystalline PERC/bifacial SPV modules - 3200-3400 Wp.

SOLAR ITEM NO- 2Module Mounting Structure ( For1 HP, 2HP, 3HP, 5HP and 10 HP Solar Water Pumping System): Supply , transportation & installation of G.I manual tracking / Fixed structure made of MS hollow sections, pipes, plates, angles etc as per IS:4923, IS:1161/1239, IS:1079/2062, to hold min 300 Wp SPV Module as per drawing and technical specification. The steel structure is to be protected with minimum 80 micron galvanisation(hot dip) and provided with fixed arrangement or dual axis manual tracking arrangement for three times in a day and seasonal tilting to face the sun optimally. The approximate weight of the Module Mounting Structure given in Technical Specification Clause no.5.1 should be followed.

SOLAR ITEM NO- 4Cable and Accessories :Supplying, fitting and fixings of UV rated Copper Cable laid inside HDPE conduit and other accessories as per followings with necessary connection with the Solar PV Module, MPPT etc.i. 4.0 Sq mm single core multi studs - 5m(for 1HP/2HP/3HP) & 20m(for 5/7.5/10/15/17.5/20 HP)ii. Lugs, HDPE Pipe, Flexible Pipe, Saddle, Cable tie etc b) For 3 HP per structure

SOLAR ITEM NO- 5 Earthing: Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below: By ISI-Medium GI pipe including excavation of soil for installation of Earth Electrode and filling & ramming and connecting to individual structure to earth electrode including S&F 20 mm x 3 mm galvanised (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments incl. drilling holes, with bolts, nuts, washers etc.

SOLAR ITEM NO- 6 a) Lighting System at Scheme: (with lighting Pole) : Dusk to dawn lighting arrangement of at 4 mts height above ground level, with Hot dip galvanised 80 mm x 50 mm , medium duty pipe, with 12 V, 15Ah 2-in-1 Lithium ion/ Ferro- Phosphate battery with in-built 7-11watt LED lamp , 50 Wp solar panel (min 19% Eff.) to cover the scheme area. The lighting system should be warranted for 5years from the date of installation.

SOLAR ITEM NO- 7 a) Lightning protection (Pole mounted): Lightning protection with 1.5" G.I pipe of 4 mts + 0.75 mts height with base flange in proper RCC foundation and S & F Lightning Conductor Air Terminal made of 20 mm dia 1000 mm long GI pipe (ISI Medium) having five discharge prongs of 4 SWG GI (Hot Dip) wire at top duly soldered with 7/16 stranded GI (Hot Dip) wire and 85 mm dia 6 mm thick GI base plate at bottom incl. necessary holes etc. Earthing with 65 mm dia GI pipe (Medium) 3.0 Mts. long and 1 x 19/10 stranded GI (Hot Dip) wire (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including socketing at both ends of stranded GI (Hot Dip) wire by crimping sockets/ thimbles and S & F 65 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts. (Provision of one lightning protection for each structure)

SOLAR ITEM NO- 8Supply and installation of 3 phase AC electromotor pump-motor set with speed of 3000 r.p.m(synchronous speed) suitable for Solar applications and shall have 60 months guarantee for the following conditions including loading, unloading, transportation etc.:- (Refer technical specification for more detail)

SOLAR ITEM NO- 9 Testing and commissioning of scheme after completion of all work

SOLAR ITEM NO- 10 Cleaning and washing of modules once in month with clear water to remove deposited dust and dirt on the module surface and keep the modules clean throughout the year. The activity to be performed for eight months in a year excluding four monsoon months. A log book should be maintained at the site for the said purpose. Note:1 Total Cleaning & washing charge is to be withheld in addition to Securirty Deposit . Cleaning & washing charges will be released alongwith comprehensive maintenance charge for each year at a time for 8 months for the completed year i.e.at the end of 1st year, 2nd year, 3rd year, 4th year, 5th year. In case the “Bidder” does not provide service during the warranty & comprehensive maintenance period, the amount so held up will be forfeited.

SOLAR ITEM NO- 11 Connecting the equipments to earth busbar including S & F GI (Hot Dip) wire of 8 swg on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages

SOLAR ITEM NO- 12 Comprehensive maintenance charges for 5 years (which cover monthly inspection, Yearly training to WUA, to attend breakdown within 3 days and to keep the scheme in operation without lapse of time) c) For 3 HP both for Submersible & Surface pumpNote:1Total comprehensive maintenance charge is to be withheld in addition to Securirty Deposit . Comprehensive maintenance charges will be released @ i) Rs 0.80 for 2 HP, ii) Rs.0.80 for 3 HP, iii) Rs.0.60 for 5 HP & 10 HP Submersible & Surface per Wp per year at the end of each maintenance period i.e.at the end of 1st year, 2nd year, 3rd year, 4th year, 5th year. In case the “Bidder” does not provide service during the warranty & comprehensive maintenance period, the amount so held up will be forfeited

SOLAR ITEM NO- 13 Insurance @ 2% for Solar Item No. 1, 3, 6, and 8 for a period of 5 years. Note:2 Ist year's Insurance charge is to be paid on production of Original Receipt of premium payment. Remaining 4 years Insurance payment is to be withheld which will be released during 2nd, 3rd , 4th & 5th year on production of Original Receipt of premium payment.

Note: (i) Extra rate for diffecult/Reverine Areas connected by river route and/or ferry crossing as applicable as per current PWD Schedule of Rates (Building Works) for item no. 2 & 3. (ii) Extra rate for transportation @ 2% for item no. 1 & 2 as applicable for the district of Malda, Uttar Dinajpur, Dakshin Dinajpur , Jalpaiguri, Cooch Behar and Alipurduar.

Supplying, fitting and fixing including transportation of sign board for identifying the exact location of MINI RLI scheme (one at road side and other at site) the board will be made 3 mm thick MS plate of size 300 mm x 600 mm and fitted and fixed on 50 mm GI Pipe of IS 1239/90 (part-1) including cutting, welding LS and writting of both sides of Sign board. Base - Yellow, and words - Red. Both bottom end of the stands pipe will be grouted in 1:2:4 CC on a single brick flat soling. This will include one materials and labour complete as per drawing and direction of E.I.C.

a) Supply, fitting and Fixing of Pump-motor shed of height 0.85m(as per drawing) with Hot dip Galvanised ISA 25X25x3 & 1.5mm MS sheet including foundation Base of 0.95m x 0.65m for Pump Unit ( BFS, .075mm 1:2:4 PCC, 100mm 1:1.5:3 CC) - For 2HP and 3HP surface pump.

Foundation of Module Mounting Structure: Suitable and stable Reinforced Cement Concrete foundation for dual axis manual tracking SPV Module structure as per approved drawing.

Remote monitoring for 5 years: Provision for remote monitoring for the pumps must be made in the pump controller through an integral arrangement having following basic functions: a. Controller must be assigned with a unique serial number and its live status must be observed remotely on online portal through login credentials. b. Live status must indicate whether controller is ON/ OFF. The parameters i.e. the water output, water flow rate, in fault condition, array input voltage/ current, power and motor frequency should at logged at an interval of 10 minutes c. Controller must have a back up to store the data locally ( at least for 1 year) supply & installation of GSM/GPRS based Data Transmitter or Modem and to provide remote monitoring service to transmit the parameters to central server from the solar pumping system with time stamp at user-defined interval and report generation at the buyer end. (Refer Technical Spec.)

FORMATON OF WUA Campaining in the command area of clustered STW Sub-projects by community workers for mass awareness, capacity building to achieve sustainability of sub-projects. Cost include wage payment to community workers, transportation, leaflet etc.

Meeting Cost for WUA formation, cost including Refreshment, training materials, transport local conveyance, wage payment to community worker, remuneration to resource person and incidental charges

Registration Cost for WUA under suitable act ( Society ) deed writing including registration charge, conveyance cost and opening of bank account etc.

Livelyhood plan / Micro plan formulation cost for minor irrigation scheme, cost including refreshment, training materials, transport local conveyance, wage payment to community worker, remuneration to resource person and incidental charge ( rate on meeting )

Meeting and onsite demonstration for operation & maintenance of tubewells, water management and mode of collection of water tax, building of corpus fund etc.

IEC Materials ( Leaflet, poster, notebook )= 8 meetings, for SL - 2 and SL - 4

Documentation Cost for activities of WUA Scheme - by still photography, report booklet etc in both hard and soft copy.

Impact study & monitoring of scheme by site visit of 2 Community workers during 3 years' period

Add GST @ 18 % on ALL ITEM (EXCEPT PROCUREMENT OF MATERIALS)

Add Labour Welfare Cess @ 1%

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