Drilling, Installation and Development of Solar operated Tube Well at Kankhutia under Bolpur Block

Amount

(A) DRILLING & INSTALLATION & DEVELOPMENT OF TUBE WELL INCLUDING SUPPLY OF MATERIALS: Drilling of bore hole of suitable diameter upto required depth by water jet system through any type of soil including hire and labour charges for boring pipes, scaffolding, other tools and plants etc. and taking out the same all complete and other incidental works in this connection. The bore hole should have minimum 65 mm gap in between outside of the tube well pipe and the bore. Total bore depth 100 mtr. a) For lowering 150 mm dia PVC pipe

b) For lowering 100 mm dia PVC pipe

Labour charges for lowering of pipe, strainers, blank pipe etc. and fitting, fixing the same including cutting, threading where necessary complete including bucket washinq and other incidental works in this connection. a) 100 mm dia. Bottom plug with cutter.

b) 150 mm dia. PVC. Housing pipe, Blank pipe, Slotted strainer

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

Supplying, fitting and fixing including supplying of suitable joining 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) 100 mm. X 150 mm. UPVC reducing socket.

(c) 150 mm dia G.I. threaded top cap fixed in position.

Supplying, fitting and fixing including supplying of suitable joining compound for fixing in position, threading, if necessary etc. all complete. 100 mm dia PVC Nipple 300 mm long

Supplying, fitting & fixing of 150 mm dia lSI marked G.I. Short pipe (medium quality) of suitable length (0.60m to 1.0m) with both end screwed, one end to match with the 150 mm dia PVC Housing Pipe and other end match with the 150 mm dia MS top cap as per direction of the E.I.C.

Supppying, fitting and fixing of 150 mm heavy duty supporting clamps in two halves made of M.S. flat for holding 150 mm N.B. Housing pipe, thickness of the clamp 12 mm, width of the clamp 150 mm, extended length of the arm 200 mm, space between rows 100 mm, space between bolts in a row 75 mm, equally spaced from the centre line of the arm, dia of bolt 16 mm. The gap between arms of clamp and pipe assembly before tightening should be between 6 mm to 10 mm. Two rows of bolts of two nos in each rows of 16 mm size shall be provided on either side of the clamp, in other words there will be all together 4 rows of bolts with the provisions of 8 nos of bolts with nuts and with spring and flat washer.

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.

Charges for Mobilisation of drilling equipments, tools and plants etc. and transportion of departmental materials from Sub-divisional store to work site and returning excess departmental materials if any, to Sub-divisional store after Tube-well completion of work.

Making arrangement and showing verticality test and sounding test including cost / hire charges of necessary tools and plants, scaffolding, labour etc. all complete as per direction of Engineer-in-Charge.

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). a) 150 mm N.B. (7.5mm-Medium)

b) 100 mm N.B. (7.5mm-Medium).

c) Supplying PVC strainer of approved make with adapter conforming to I.S.12818 specifications. a) 150 mm N.B. (7.5mm-Medium)

MS Coloumn Pipe: a) 80 mm dia GI pipe both end screwed & one end socketted 3m long duly I.S. certification marked, as per IS-1239 (Part-1)/2004 with latest amendments thereof.Socket should be as per IS-1239(Part-II) and pipe thread should be as per IS-554/199 with latest amendments thereof.

b) 80 mm dia GI pipe one end screwed & other end welded with standard flange 3m long duly I.S. certification marked, as per IS-1239 (Part-1)/2004 with latest amendments thereof.Socket should be as per IS-1239(Part-II) and pipe thread should be as per IS-554/199 with latest amendments thereof.

80mm dia M S supporting clamp

80mm dia M S Long Bend ISI marked flange

Polyester reinforced PVC lay flat Hose pipes. 100mm dia

Supply & Delivery of Copper PVC Insulated (Heavy Duty) weather proof Flat Electric Cables suitable for working upto and including 1100Volts duly ISI MARKED as per IS No. 694/1990 and latest amendments. 3C X 1.5 sqmm

Supplying, fitting and fixing of CI Non Return Valve as per IS:5312. a) C. I. NON RETURN VALVE 3"C. I. NON RETURN VALVE 3"

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.

Installation of submersible electro motor pumping set of following capacities by using necessary requisite, tools and plants by lowering the same within the tubewell housing pipe upto the following depth as per direction by fitting, fixing column pipes and other accessories, fixtures with necessary nuts, bolts and washers and suspending the entire assembly of pump set vertically by fixing the same supported by M.S. clamps over the top of housing pipe, binding the motor cable with each column pipes and drawing cable upto pump controllerlstarter point including opening out of the top cap of housing pipe of the tubewell and testing of motor both in loading as well as in unloaded condition before and after installation of the same. (The rate is inclusive of hiring charges of tools & plants.) (b) 30 cubic metre per hour capacity electro motor pumping set. (ii) Length of pump assembly of any length exceeding 18 metre length.

(B) SOLAR PHOTOVOLTAIC (5 HP) FOR WATER PUMPING SYSTEM : Solar Module: Supply , transport , installation and commissioning of ISI marked as per IS 14286 and IEC 61853(1), 61730(1&2), 61710 certified Solar Module of Multicrystaline/Monocrystalline/ Monocrystalline PERC/bifacial cell with min. efficiency of 15% and fill factor more than 70%, laminated between sheet of -Ethylene Vinyl Acetate (EVA) and high transmissivity 3.2/4.0 mm tempered glass , framed in anodized aluminium frame .The power output of individual PV modules used in the PV array, under STC, should be a minimum of 300 Watt peak, with adequate provision for measurement tolerances.Modules supplied with the SPV system should have warranty for output wattage, which should not be less than 90% at the end of 10 years and 80% at the end of 25 years. Necessary test certificate also to be supplied. f)For 5 HP Off-grid Solar Water Pumping System with Polycrystalline SPV modules - 5500 - 5600 Wp.

Module Mounting Structure ( For 2HP, 3HP and 5HP Solar Water Pumping System): Supply , transportation & installation of G.I manual tracking structure made of MS hollow sections, pipes, plates, angles etc as per IS 1161/1239, 1079/2062, to hold min 300 Wp SPV Module as per drawing and specification of MNRE . The steel structure is to be protected with minimum 80 micron galvanisation(hot dip) and provided with dual axis manual tracking arrangement three times in a day and seasonal tilting are to be regulated to face the sun optimally. The weight of the Module Mounting Structure holding 4 Modules should not be less than 195Kgs, holding 6 Modules should not be less than 210 Kg and holding 8 Modules should not be less than 245 Kg.

Foundation of Module Mounting Structure: Suitable and stable Reinforced Cement Concrete foundation for dual axis manual tracking SPV Module structure as per approved drawing. a) For 4/6 module structure.

Power conditioning unit with IP54 enclosure : Supply , transport , installation and commissioning of IP 54 protected enclosured Inverter Unit qualifying IEC 61683-Efficiency measurement and IEC 60068-2-Environment Standard , safety standard suitable for 3 Phase A.C. motor, IGBT based high voltage switching inverter with MPPT technology, to take care of the variation of Sun light and will be suitably mounted inside the metal enclosure. Inverter should have protection against Dry run, Over current, Under current, Over voltage, Under voltage, Short circuit etc. System should be able to run at low sunshine and minimum 7 to 8 hours a day run should be possible during normal sunshine.condition. Inverter should have option to auto start for any short trip off due to low light/ cloudy situation except for dry run. Inverter should be provided with a display to show the various parameter by the user such as Voltage, Current, Solar panel DC voltage, Inverter IGBT temperature, Out put AC voltage, Output frequency, Pump flow (direct or calculated method), Irradiation etc . The system should store the data at a set interval, be capable to transfer it to external storage device and support communication of its operational parameters and logs over Modbus protocol . It should also monitor and save total run time, total water pumped etc . There should be provision for interfacing GPRS based data transmission. c) For 5 HP capacity Pump-motor set

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 - 10 Mtrs (Minimum) ii. 6.0 Sq mm single core multi struds -5 Mtrs (Minimum) iii. Lugs, HDPE Pipe, Flexible Pipe, Saddle, Cable tie etc c) For 5 HP per structure

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.

b) Lighting System at Scheme: (Mounted on Pump House wall) : Dusk to dawn lighting arrangement fitted with MS angles on pump house wall, with 12 V, 40Ah 2-in-1 Lithium ion/ Ferro- Phosphate battery with in-built 11 watt LED lamp , 50 Wp solar panel to cover the scheme area. The lighting system should be warranted for 5years from the date of installation.

Lightning protection (Pole mounted): Lightning protection with 3" X 1.5" G.I pipe of (6+ 1) 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. including connection to earth electrodes with 25 X 6mm G.I strip. (Provision of one lightning protection for each scheme as per draency,

Supply and installation of 3 phase electromotor pump-motor set suitable for Solar operation covering 5 years warranty for the following conditions including loading, unloading, transportation etc.:- c) 5 HP ISI marked 3 phase 415 V Pump-Motor set having discharge at required head as below:- ii) Submersible Pump-motor set for LDTW ISI marked as per IS: 8034 with discharge of 7.5 Lps- 5.83 Lps at 30 mts.-40 mts. total head with cable, cover plate, Socket, Flanged Nipple, Rubber Insertion, Nuts& bolts and all other accessories including transportation of Bend, Column Pipes, cable, sluice valve, lay flat hose pipe etc. from Deptt. Store to site within 100km.

Testing and commissioning of scheme after completion of all work

Comprehensive maintenance charges for 4 years beyond 1 year warranty period (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 5 HP both for Submersible & Surface pump Note:1 Total comprehensive maintenance charge is to be withheld in addition to Securirty Deposit . Security Deposit will be released after expiry of warranty period of 1 year & Comprehensive maintenance charges will be released @ i) Rs 1.00 for 2 HP, ii) Rs.1.00 for 3 HP, iii) Rs.0.75 for 5 HP Submersible & Surface per Wp per year at the end of each maintenance period i.e.at the end of 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.

Insurance @ 2% for Item No. 1.27,1.30, 1.33 and 1.35 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.

(C ) R.C.C. STRUCTURE FOR RESERVOIR: 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. (considering 50 mm clearence)

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidated the same by through 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.

Cement concrete with graded jhama khoa (Mix 1:3:6) (30 mm size) excluding shuttering.

Brick work with 1st class brick in cement mortar (1:4) (a) In Foundation in plinth,

Brick work with 1st class brick in cement mortar (1:4) (b) In Superstructure Ground Floor,

Brick work with 1st class brick in cement mortar (1:4) At Reservoir.

125mm Brickwork with 1st class Bricks in cement mortar in ground floor

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

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

Reinforcement for R.C.C. work in al sorts of structure including distribution bars stirrups, binders, etc. including supply of rods, initial straightening of bent bars excluding coil bars and removal of loose rust (if necessary) cutting to requisitite length.

M.S. Or W.I. Ornamental grill of approved design joints continously welded with M.S.W.I Flats and Bars of window raling etc fitted and fixed with necessary screw and lugs in ground floor(att extra @ 1% for each addl. Floor up to 4th floor and @ 1.25% for each addl floor above 4th floor) (i) Grill weighing above 10kg / sq mtr and up to 16 kg/ sq mtr.

Supplying 1.5mm thick M.S. sheet fitted and fixed on one or both faces of M.S./ W.I. gate etc. with point welding at not more than 150mm apart complete in all respect as per design including cost of all labour and materials.

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

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

Artificial stone in floor, dado, stair case etc with cement concrete (1:2:4)with stone cheep,laid in panels as direced with topping made with ordinary white cement (as necessary) and marbel dust in proportion (1:2) including smooth finishing and rounding of corners including rking out joints or roughening of concrete surface and apllication of cement slurry before flooring works using cement @ 1.75 kg/sq.m all complete including all materials and labour in ground floor topping (High polishing grinding on this item permitted with ordinary cemment) using grey cement (i) 20 mm thick

White washing including cleaning and smoothening surface thoroughly Three coats (on new works only).

Applying decorative cement based paint of approved quality after preparing the surface including scraping the same thoroughly (plastered or concrete surface) as per manufacturer's specification Two coats.

Priming one coat on steel or other metal surface with synthectic oil bound primer of approved quality including smoothening surface by sand preparing etc.

Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface on steel or other metal surface (IV) Two coats (with any set except white) for door and window.

(D) Materials for Gravity Drip Systems: Supplying, fitting and fixing of Socketed PVC Pipe 6 meter as per IS:4985 (a) PVC pipe 63 mm x 06 kgf/cm2

(b) PVC pipe 90 mm x 06 kgf/cm2

(c ) PVC pipe 32 mm x 10 kgf/cm3

Supplying, fittings & fixing of HDPE Pipes Grade -PE 80 (PN-10.0) as per 1S: 4984. (a) 90 mm OD dia.

Supplying , fitting and fixing of PVC HD-Tail Piece as per IS 7834 (HIGH DENSITY) (a) HD-Tail Piece 90 mm

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). 25 mm dia.

Supplying , fitting and fixing of PVC Control Valve of approved make and quality all complete as per direction of Engineer-in-Charge. (a) PVC Control Valve 63 mm

(b) PVC Control Valve 90 mm

Supplying, fitting and fixing of Screen Filter Plastic Body as per IS:12785 (a) Screen Filter 40-50m3/hr, 3"

Supplying , fitting and fixing of PVC HD Moduled Couplers as per IS 7834 (HIGH DENSITY) (a) HD-Moulded Coupler 63 mm

(b) HD-Moulded Coupler 90 mm

Supplying , fitting and fixing of PVC HD Moduled Elbow (Equal) as per IS 7834 (a) HD-Elbow (Equal) 63 mm 90°

(b) HD-Elbow (Equal) 90 mm 90°

Supplying , fitting and fixing of PVC HD-End Cap (Plain) as per IS 7834 (High Density) (a) HD-End Cap (Plain) 32 mm.

Supplying , fitting and fixing of PVC HD-Tee (Equal) as per IS 7834 (High Density) (a) HD-Tee (Equal) 32 mm

(b) HD-Tee (Equal) 63 mm

Supplying , fitting and fixing of PVC HD-Reducer as per IS 7834 (High Density) (a) HD-Reducer 63 x 32 mm

(b) HD-Reducer 90 x 63 mm

Supplying, fittings & Fixing of Drip Lateral Class - 2 (LLDPE) as per 15:12786. Tube OD 32mm CI2

Supplying , fittings & Fixing of Non Pressure Companseting (NPC) Emitting Pipe (LLDPE) as per IS 13488. 12 mm (OD), 0.8 to 4.0 Iph, Class 2 IS 13488 (a) 12mm 30cm cl2 npc

Supplying, fittings & Fixing of Emitters/Drippers as per IS:13487 (a) Self Cleaning PC Dripper 2,3,4,8, 12 Iph antileak

(E) LAYING OF PVC PIPES : Earth work in excavation of field trenches as per design section and alignment for laying of pipe lines (PVC, RCC, ACP etc.) upto a depth of 1500 mm all sorts of soils including removing, spreading or stacking extra earth as directed. The item includes necessary trimming of sides trenches, levelling, dressing and ramming the bottom as required complete.

Earth work in filling in trenches after laying pipe lines (PVC, RCC, ACP etc.) with good earth obtained from excavation of field trenches in layers not exceeding 225 mm, including watering and ramming etc. layer by layer complete. (Payment will be made on the basis of measurement of finished .quantity of work.)

Laying of P.V.C. pipes of different diameters within field trenches in curve / straight line using P.V.C. fittings, viz. Bend, Tee, Reducer etc. and making leak proof joints with couplers after roughening the surface with wire brush and emery paper and applying solvent cement (The rate is inclusive of transport of pipes, fittings and solvent cement to be supplied by Deptt.) all complete as per direction of Engineer-in-Charge. (iv) 110 mm dia.

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidated the same by through 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.

Cement concrete with graded jhama khoa (Mix 1:3:6) (30 mm size) excluding shuttering .

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

MD AMINUL ISLAM