Drilling, Installation and Maintenance of 150 mm dia Machine bored solar powered ground water basedTube Welin the district of Darjeeling under DPMU, Darjeeling, WBADMIP Programme as Deposit works

Tube Well Drilling Part: Drilling of borehole by mechanized rotary rig machines through any kind of soil or rock down to required depth by using upto 320 mm dia. drill bit including digging trenches and pits,arrangement of water for the bore hole etc. all complete.

(a) 0 mtr. to 30 mtr.

(b) 30 mtr.to 60 mtr.

(c) 60 mtr. to 90 mtr.

Electrologging of bore hole of different dia tubewell for locating water bearing strata and saline aquifer, if any, after conducting relevant geophysical tests. All test reports, compiled data and raw data sheets should be submitted to the Engineer-in-Charge (Cost is inclusive for all charges for equipments, labour, data aquisition and compilation of data sheets as per direction of the Engineer-in-Charge).

Labour charges for fitting,fixing & jointing thread to thread with solvent cement the PVC pipes (Housing pipe,Blank pipe, strainer, bottom plug etc.) and lowering the same carefully into the bore hole down to the required depth complete in all respect as per direction of the EIC. 150mm DN dia, blank pipe, Bottom plug & screen/slotted pipe.

Supply of gravel for use as pack in the 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 Engineer-in-Charge .

Packing annular space in between the outside the well pipe, where necessary, with puddle clay balls of approved size as per direction of Engineer-in-charge with cost of all materials and labours complete.

Supplying, fitting and fixing including supplying of suitable jointing compound for fixing in position, threading, if necessary etc. all complete. 150 mm dia GI threaded top cap fixed in position.

Supplying, fitting, fixing the following fittings of PVC-U conforming to IS: 12818 & lowering in position etc. as directed by the Engineer-in-Charoe 150 mm DN PVC-U end cap

Supplying, fitting, fixing including fabrication (IS -2800 Part - I with latest amendments) with required materials as directed by the EIC and lowering in position etc. M.S. Centre guide (consisting of 3 nos., 6 mm thick, 50 mm wide, not less than 600 mm long and 125 mm rise of arch) of approved quality.

Development of Tube well with high velocity jetting tool combined with adequate capacity Air -compressor and carrying out yield test as per prescribed method with report suggesting placement of pump (type + Yield ) after obtaining sediment and colour free water as per direction of the EIC ,including arranging, installing all eqiupments and testing instruments as required at site and dismantling the same after successful completion of tests, all complete.

Collecting of sample of water for bacteriological & chemical test from any depth at any point of time during execution of works including hire & labour charges for tools and plants and sterilizing the equipments, paying all charges and fees towards testing by accredated Lab. etc. complete in all respects as per direction of the Engineer-in-charge.

Mobilisation charges for transporting upto site including loading, unloading of all plants, machinaries & equipments required for drilling, development and testing of Tubewells and also the cost of construction temporary roads over field and / or culverts, repairing existing roads and / or Culverts all complete, carrying materials on head load, carts or boats as the case may be :_ (i) For sites within 4 km from all weather metal road.

Comprehensive maintenance for 5 years (which cover monthly inspection, Yearly training to WUA, to attend breakdown within 3 days without lapse of time) . Total comprehensive maintenance charge is to be withheld in addition to Security Deposit. Security Deposit will be released at the end of each maintenance year @ 1/5 th of total maintenance charge. In case the “Bidder” does not provide service during the comprehensive maintenance period, the amount so held up will be forfeited.

Supply of Materials (Rate to be quoted with taxes)

Casing Pipes ISI Marked IS 12818 150 MM N.B 7.5 MM - Medium

Casing Pipes ISI Marked IS 12818 150 mm dia 7.5 mm thick Sreen Ribbed ( Medium)

Galv. M S Column pipe, ISI marked -1239, Galv- IS4736 80 mm dia both end screwed & one end socketted 3m long (bottom)

Galv. M S Column pipe, ISI marked -1239, Galv- IS4736 80 mm dia screwed at one end & std flanged at other 3m long (top)

E.R.W.Casing & Blank Pipe lSI marked-IS 4270 200 mm N.B.(6.4mm) 33.1 Kg / m

3C Flat water proof CU.cables lSI marked-IS 694 3C X 4 sq. mm

GI. Holding Clamp- IS 1239, Galv- IS4736 80 mm dia

90 degree G.I Bend (both end flanged) ISI marked-IS 1239, Galv- IS 4736 . 80 mm dia

Supplying, fitting & fixing of M.S. plate of size 20 cm x 20 cm,thickness 6 mm, make of two halves (20cm x 10 cm), placed over Housing Pipe of LDTW to rest the supporting clamps, with semi circular hole of 90 mm dia. at centre including locking arrangement between the two halves on both sides, including fitting, fixing of 25 mm dia. G.I. bend by making a hole on plate for passing submersible cable smoothly and complete in all respect.

Distribution Chamber and Platform

Earthwork in excavation of foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite and sand stone), including removing, spreading or stacking the spoils, within a lead of 75 m as directed.The item includes necessary trimming the sides of trenches, levelling,dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1500 mm.

Single brick flat soling of picked Jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge.

Ordinary Cement concrete mix with 1:1.5:3 other Than Pakur Variety graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes.

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction.

Supplying fitting and fixing of PVC control valve of approved make and quality all complete as per direction of EIC. PVC Control valve 75 mm.

Colour washing with any shade with stainers, as required including cleaning and smoothening surface throughly. (ii) External surface (b) Two coats (ii) yellow/pink.

Supplying, fitting and fixing G.I. pipes of TATA make 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. 80 mm dia. medium quality

Supply of 100 mm dia PVC Lay flat Hose Pipe.

Supplying, fitting and fixing including transportation of sign board for identifying the exact location of scheme , the board will be made 1.5 mm thick MS plate of size 1000 mm x 750 mm and fitted and fixed on 50 mm GI Pipe of IS 1239/90 (part-1) including cutting, welding and pasting printed digital display and bottom end of the stands pipe will be grouted in 1:2:4 CC as per drawing and direction of E.I.C.

Solar Part

Solar Module: Supply, transport, installation and commissioning of ISI marked Solar Modules as per following specification: 1.Cell: Indigenous monocrystalline silicon SPV cells 2. Solar Module: Monocrystalline cell with PERC technology/module with bifacial cell. 3. Standards: ISI marked as per IS14286 and having certification of IEC 61853(1),61730(1&2),61710 4. Modules must qualify to IS 170210(Part1) 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 PVmodules used in the PV array, under STC: minimum 300Wp. Necessary test certificates also to be supplied

Module Mounting Structure ( For 1HP,2HP,3HP,5HP and 10 HP Solar Water Pumping System): Supply, transportation & installation of G.I manual tracking structure /Fixed Structure made of MS hollow sections, pipes, plates, angles etc as per IS 4923,IS 1161/1239, 1079/2062, to hold min 300 Wp SPV Module as per drawing and specification . The steel structure is to be protected with minimum 80 micron galvanisation (hot dip) and provided the fixed arrangement or dual axis manual tracking arrangement for three times in a day and seasonal tilting to face the sun optimally.

Earthing: Earthing with 50 mm dia GI pipe (IS : 3043 and as per technical specification and drawing ) 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: (a) 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.

Foundation for 4 modules Mounting Structure : Suitable and stable Reinforced Cement Concrete Foundation for fixed structure SPV Module structure as per approved Drawing .

Foundation for 6 Modules Mounting Structure : Suitable and stable Reinforced Cement Concrete Foundation for fixed structure SPV Module structure as per approved Drawing .

Cable 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 - 5 Mtrs (for 1HP/2HP/3HP) & 20 m (for 5/10/15 /17.5/20 HP) ii. Lugs, HDPE Pipe, Flexible Pipe, Saddle, Cable tie etc.

Supply 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.:-(Refertechnicalspecification for more detail) 5HP 3 phase AC Submersible Pump motor set for LDTW with external part made of stainless steel of grade 304 or higher as per IS 6911 and IS 3444 with discharge of 7.5 -5.83 LPs at 30 mtrs.- 35 mts total head with cable 3 m , cover plate ,socket, flanged nipple,Rubber insertion ,nuts & Blots and all other accessories including tranportation of Bend, column pipes, cable, sluice valve, lay flat hose pipe etc. from Deptt store to site within 100 km. The pump mortor should be tested as per IS 8034 - 2048 (Third revision)

Lightning protection (Pole mounted): Lightning protection with 3"x 1.5 '' G.I pipe of 6 m +1 m 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)x 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 scheme)

Testing and commissioning of scheme after completion of all work

Cleaning and washing of modules once in month with clear water to remove deposite 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.

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) TW (5 HP) Submersible PM set

INSURANCE @ 2% for item no.4.01,4.06 and 4.08 for a period of 5 years: Note : 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.

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 function : 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 be indicate whether controller is ON / OFF , the parameter i,e the water output, water flow rate, in fault condition, array input voltage / current , power and motor frequency should at logede 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 parameter to central server from the solar pumping system with time stamp at user defined interval and report generation at the buyer end . (Refer Technical specification).

Distribution Tank

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed.

Filling in foundation or plinth by Fine sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete.

Hire and labour charges for shuttering with centering and necessary staging fitting, fixing and striking out after completion of works (upto roof of ground floor). 25 mm to 30 mm shuttering without staging in foundation.

Ordinary Cement concrete mix with 1:1.5:3 with Pakur Variety graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes.

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc. complete .

Brick work with 1st class bricks in cement mortar (1:4).

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] With 1:4 cement mortar, 20 mm thick plaster.

Neat cement punning about 1.50 mm thick in wall dado, floor, drain, door and window sill ,floor etc.

M.S. works in framed gratings of windowetc.made of round or squarebarsand frameworkorM.S. flats (with thebars securely fixed to the flat bar frame)withorwithout intermediate flat bar stiffener and fixed with necessary screws etc. complete, as directed.

Supplying 4000 liter capacity P.V.C. water storage tank of approved quality with closed top with lid (Black) - Multilayer

Supplying, fitting and fixing Peet's valve fullway gunmetal standard pattern best quality of approved brand bearing I.S.I. marking with fittings (tested to 21 kg per sq. cm.). 40 mm dia.

Supplying, fitting and fixing Peet's valve fullway gunmetal standard pattern best quality of approved brand bearing I.S.I. marking with fittings (tested to 21 kg per sq. cm.). 80 mm dia.

Supplying, fitting and fixing bib cock or stop cock. (a) (i) Chromium plated Bib Cock short body (Equivalent to Code No. 511 & Model - Tropical / Sumthing Special of ESSCO or similar brand)

Supplying, fitting and fixing PVC pipes for underground work of approved make of Schedule 80(mediumduty)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 upto1.5 metre below surface in all sorts of soil and refilling the same as directed complete in all respect.

a) 15 mm dia

b) 40 mm dia

WUA formation , Training ,Capcity Building etc.

Add GST @ 18 % on ALL ITEM (EXCEPT PROCUREMENT OF MATERIALS 2.01 to 2.09)

Add Labour Welfare Cess @ 1% (EXCEPT PROCUREMENT OF MATERIALS 2.01 to 2.09)

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