PROVISION OF BOREWELL AND CONNECTED WORKS AT

Amount

Drilling of trail bore in any type of soil / rock for 200mm dia bore hole by rotary rig method or any approved method including formation sample collection for the following depth :- Note:- (a) The unit rate quoted for drilling of bore well deemed to be include the following: (ii) Collection of samples of bore well at every 5M depth and submission of borewell strata chart. (ii)Grossing and sealing the borewell and disinfection by using chlorine soplution. (c) casing Pipe, MS cap and PCC will be measured and paId separately. (d) In case of the bore is proving unsucessful the cost of boring as per actual workdone only shall be reimbursed.

(a) Up to 30 mtrs depth

(b) 30 to 60 mtrs depth

(c) 60 to 90 mtrs depth

(c) 90 to 120 mtrs depth

(e) 120 to 150 mtrs depth

(f) 150 mtr to 200 mtr depth

M&L for Development of tube well including reaming up to 525mm with DTH air compressor of rating 630 CFM at 100 PSI after with 25% extra capacity pump by pumping muddy water as required The air compressor / higher capacity pump required for the development of the well by means of over pumping shall be arranged by the contractor at his own arrangement complete all as specified and directed by Engr-in-charge.

Supply assembling and lowering 200 mm nominal bore mild steel ERW ISI marked casing BLIND pipe having wall thickness 6.35 mm as per IS-4270-2001 and jointing with electric arc welding, screwed and socketed in random length of 3 to 6 mtr, including necessary fitttings i.e. sockets, coupling, jointing and painting with two coats of bitumious paint on external surfaces of pipe upto depth of 30 mtr (approx) below ground level complete all as specified and directed. Make- TATA/JINDAL

Supply Fixing and lowring ERW slotted tube having 700 slots of size 1.58mm x 75 mm per mtr length uniformly distributed on surface, and jointing with electric arc welding, screwed and socketed coupling, jointing in random length of 3 to 6 mtr, all as specified and directed by Engineer-in-Charge. Make- TATA/JINDAL

M&L for yield testing of tube well by continuous run with suitable equipment all as per IS-2800 part-II of 1979 including complete testing of water suitable for drinking purpose as per IS-10500 of 1991 from testing Laboratory approved by GE and report shall be submitted to GE. The well shall be tested 24 hours continuous after development of the well to acertain the yield. The air compressore/higher capacity pump required for the development of the well by means of over pumping shall be arranged by the contractor at his own arrangement. Note:-CGWB report Hydrological factors of the area indicating borewells may yield upto 100-120 ltr per minute.

S&F bail plug 200mm (8”) dia internally threaded including welding with MS casing pipe of length 3 mtr long, 8 mm thick complete all as directed by Engr-in-Charge.

Supplying & fixing well cap suitable for 200 mm bore well dia consisting of two parts complete with welding and machinery work having provison of cut out for passing of column pipe and fabricated from MS sheet 3.15 mm thick all as specified & directed by Engr-in-Charge.

S&F housing clamp for 200 mm dia bore pipe made out of flat MS 150x12 mm thick (length 80 mm) with 4 Nos 20 mm dia of suitable size of bolt, nuts, washers etc including drilling holes of suitable sizes and painting 2 coats of synthetic enamel paints over a coat of red oxide primer all as specified and directed by Engineer-in-Charge

M&L for MS special such as tees, bends of any sizes and radius, tapers, collars, tail pieces, caps and plugs upto 200 mm bore by providing arc welding nut bolts washers are included with fittings complete all as specified and as directed by Engr-in-Charge.

Supplying and packing pea gravel of size 3.00 mm to 6.00 mm around casing pipe all as specified and directed by Engr-in-Charge.

Supply, Installation, lowering, testing and commissioning submersible pumping set having discharge capacity 3 to 4 LPS at installation depth of 200 mtr head complete with submersible motor and pump of suitable 7.5 HP , 3 Phase 415 volt complete all as specified and as directed by Engr-in-Charge.

Supply install and commissioning of Multi-Cavity Power-free automatic erosion feed enabled water sanitizer / conditioning treatment station with proportional dosing arrangement consisting of, Receptacle with following attachments: Water Inlet Regulator, Overflow Vent, Water Outlet Regulator with non-return valve (for standalone gravity flow), Water Outlet Regulator (for offline automated gravity flow), Drain valve, Fluid Level controller, Sludge Level Guage, Station Base Assembly with Station Base Buffer, Station Hood Assembly with multi-cavity arrangement (11), Station Holding Assembly, Material of construction: Non-metallic thermoplastic, Maximum Temperature: 45°C, 100 Ltr. Tank, In-built Level Switch & Processor, ½ inch Processor Outlet & Processor Inlet connections, Flexible Connecting Duct, Material of construction: Non-metallic, Cavities are complete with Lids. Compatibility: Stequa 411 AE Refill with all assessary complete all as specified and directed

Supply only plastic cylindrical sealed disposable sanitiser refill containing solid Chlorine for disinfection of drinking water, water with arrangement for controlled release of disinfectant in water, suitable for operation through recommended dosing system. Replacement indication: visual & weight variation, Water contact orifice design: Sealed when dry, exposed upon immersion, Operation type: Non-contact, non-inhalatory, Cylinder dia: 2.5 inches ± 0.5 inches, Cylinder height: Minimum 10.0 inches ± 0.5 inches complete all as specified and directed.

supply and Lay steel water tubing galvanised iron heavy grade flanged type ISI marked as per IS-1239 part-1 to insert in bore well for lowering submersible pump complete including fittings of size 50mm dia including testing against leakage in all respect all as specified and as directed. Note: The length of lowering pipe shall be 3mtr/each length. Make- TATA/JINDAL/ELECTROSTEEL

Supply ,fixing,testing and commissioning of DI pipe 150 mm class K-9 with socket and spigot ends centrifugally cast (spun)with cement mortar lining inside the pipe and zinc coated outside with blue epoxy coating as per IS 8329/2000 in available lengths suitable for push on tyton joints (rubber gasket D jointing). Make- TATA/JINDAL/ELECTROSTEEL

Supply, fix, test and commssioning of GI Steel tubing medium grade 80 mm dia/bore along with fittings in trenches/wall complete all as specified and directed Make :- Jindal/Tata

Construction of brick masonary valve pit of size 60cmx60cmx90cm (internal dimension), foundation with 150mm thick PCC 1:4:8 type D2, brick work shall be full brick thick wall in CM (1:4), 15mm thick rendering in cement mortar (1:4) internally, external upto 15 cm from GL complete with MS angle iron frame work angle size 40x40x6mm fixed on top of valve pit by means of hold fast 150mm long embedded in PCC 1:2:4 type B1 of size 230mmx200mmx100mm, 3mm thick MS sheet top cover openable through hinges 02 Nos, handle and locking arrangement, painting to steel surfaces with two coats of synthetic enamel paint over a coat of red oxide primer on exposed surfaces and two coats of black bituminous paint over acoat of primer inside complete all as specified and directed.

Supply, fixing, jointing and testing cast iron in sluice valve class PN 1.6 heavy duty ISI marked with iron wheel and stainless steel spindle conforming to relevent IS updated with flanged ends complete all as specified and dierected for 80 mm dia all as sp[ecified and as directed.

Supply, fixing, jointing and testing cast iron in sluice valve class PN 1.6 heavy duty ISI marked with iron wheel and stainless steel spindle conforming to relevent IS updated with flanged ends complete all as specified and dierected for 150 mm dia all as specified and as directed.

Supply and fix Non return Sluice Valves, flanged of class 1.6 PN ,80 mm (3”)dia.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded galvanized steel strip or wire armoured electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 50 Sqmm 3.5 core

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5M in depth for taking out / for laying under ground cables/pipes etc and getting out in soft and loose soil

Returning filling in including spreading, levelling, watering and well ramming in layers n-exc25 cms in soft and loose soil

Removing excavated soil to a distance n-exc 50mtr and depositing where directed at a level n-exc 1.5 mtr above the starting point

Supply, laying riddled earth soil conformed IS-1255, cushioning to cables with a layer of riddle earth soil 15cm deep before laying the cable and 8 cm depth after laying of cable, complete all as specified.

Supply and laying unreinforced pre cast concrete cable cover class LV type 1 flat size 250 x 150 x 40 mm for cable protection

Supply ,fabrication, installation and testing of LT Panel out door KIOSK type factory made CPRI Approved, water and vermin proof protection of size 1200mm x 1200mm x 400mm (over all dimension) made out of 3.00 mm thick CRCA sheet as per IP - 66 dully supported with mild steel angle iron of size 40X40X5mm vertical frame and legs with mild steel flat iron 25 x 5 mm in horizontal sides of the frame with front and back side openable ,single hinged door / shutter with locking arrengement and powder coated finish both internal and external steel surfaces after necessary preparation of steel surfaces including providing PCC (1:3:6) type C2 foundation of suitable size and connections of all outgoing / incomming cable inclusive of necessary excavation and earthwork as required including the following fitment accessories all complete as specified and as directed. NOTE: Rate of earthwork and PCC work are deemed to be inclusive in this item. ( Near LT Panel)

OUTGOING (a) Supply and fixing MCCB TPN 63 amps 10 KA, C-series including connection complete all as specified and directed.- 02 Nos (b) DOL Starter for Monoblock pump 7.5 HP -02 Nos (c) Changeover 100 Amps - 01 No (d) Enamelled iron danger notice plate of 1.6 mm thick mild steel sheet of size 200 mm X 150mm , white with letters , figures and conventional skull and bones in signal red and fixed with nuts and bolts on door / shutter of JB for LT -01 No.

Supply, connecting, testing and commissioning cable submersible with copper conductor 3 core 1100 volts grade 6 Sqmm nominal cross sectional area stranded conforming to relevant IS complete as specified and as directed by Engineer-in-Charge.

M/L for earthing complete with galvanized steel earth plate electrode 600X600X6mm thick buried directly in ground (earth pit not less than 2.25m deep below normal ground level) with top edge of the plate not less than 1.5M below normal ground level connected to GI earth strip 25 x 4 mm dia by means of nuts, bolts, check nuts and washer of GI steel and connecting to testing point including provision of test point and all as shown in electrical plate No. 3 of SSR Pt I. The work is inclusive of necessary earth work and PCC chamber in RCC (1:2:4) Type B-1using 20mm crushed stone aggregate with 8 CTD bar reinforcement both ways at 140 mm centre to centre complete all as directed by Engr-in-Charge. Note:- (i) GI earth lead beyond 7.5M shall be measured and paid separately. (ii) The rate include measuring earth resistance.

G K CONSTRUCTIONS (BID ID -3078122)