CWE/AF AMB/AMB-28/2024-25 SPECIAL REPAIR / REPLACEMENT OF BER BOREWELL AT AFS KALPI AND BAKNAUR UNDER GE (AF) AMBALA

Amount

M&L for development of trial bore to be reamed by Direct or reverse rotary combination rig plant and equipment to accomodate 300x200 mm dia assembly pipes leaving 5" annular space around assembly pipes from 250mm to 675mm upto 60 mtr from ground level, complete all as specified & directed.

M&L for development of trial bore to be reamed by Direct or reverse rotary combination rig plant and equipment to accomodate 300x200 mm dia assembly pipes leaving 5" annular space around assembly pipes from 250mm to 525 mm from exceeding depth of 60 mtr but not exceeding 200 mtr below ground level, complete all as specified & directed.

M&L for development of trial bore to be reamed by Direct or reverse rotary combination rig plant and equipment to accomodate 300x200 mm dia assembly pipes leaving 5" annular space around assembly pipes from 250mm to 525 mm from exceeding depth of 200 mtr but not exceeding 300 mtr below ground level, complete all as specified & directed.

M&L for development of trial bore to be reamed by Direct or reverse rotary combination rig plant and equipment to accomodate 300x200mm dia assembly pipes leaving 5" annular space around assembly pipes from 250mm to 525 mm from exceeding depth of 300 mtr but not exceeding 350 mtr below ground level, complete all as specified & directed.

Supply & assembling including jointing, lowering & fixing in position, plain mild steel sheet casing (ERW) pipe 300mm bore of thickness 8.0mm confirming to IS: 4270-2001, pipe jointed and welded with coupler, Welding shall be done through out the circumference of the pipe and coupler rings both sides complete all as specified & directed .

Supply & assembling including jointing, lowering & fixing in position, plain mild steel sheet casing (ERW) pipe 200mm bore of thickness 8.0mm confirming to IS: 4270-2001, pipe jointed and welded with coupler, Welding shall be done through out the circumference of the pipe and coupler rings both sides complete all as specified & directed

Supply & assembling including jointing, lowering & fixing in position, stainless steel vee wire screen filter pipe 200mm bore of thickness 8.00 mm, confirming to IS: 8110-2000(Reaffirmed 2006), pipe jointed and welded with coupler, clamp as per manufacturers instructions, Welding shall be done through out the circumference of the pipe and coupler rings both sides complete all as specified & directed.

S&F mild steel reducing socket 300mm x 200mm including welding MS strip 40mm X 6mm (6 Nos) on each joint extended 100mm on each side complete all as specified & directed. Note :- The Wall thickness of the socket side shall not be less than 7.04mm)

M&L for chemical and bacteriological testing of water sample of borewell from approved NABL laboratory to ensure portability of water complete all as specified & directed.

Supply & packing of pea gravel 3mm to 5mm size as per IS 4097:1967 (Reaffirmed 2008) of natural shape brought directly from river bed and packing around the casing pipe/slotted pipe in the bore well to entire depth upto ground level complete all as specified & directed.

M&L for Electric logging in pilot bore for precise delineation of granular zones as also the quality of ground water including report interpretation complete all as specified & directed. Note:- Electric logging shall be carried out by any approved Govt Agency as directed & approved by GE.

M&L for development of tubewell by means of over pumping high velocity with 600 PSI Air compressor confirming to IS-11189:1985(Reaffirmed 1999) upto 24 hours for each borewell complete all as specified & directed.

Description all as per BOQ item No. 13.00 here-in-above but by means of over pumping for subsequent hours(beyond 24 hours) until clear discharge obtained as per IS-2800(part-1):1991(Reaffirmed 2001) complete all as specified & directed. Note: Overpumping will be carried out by pumping the well at higher capacity not less than 25% extra above the yield of well in presence of Engineer-in-charge & GE

Yield testing of the tube well to determine the safe pumping capacity of tube well by continuously pumping for 08 hours complete all as specified & directed. Note:- Cost of pumping for yield test is included in item No. 14.00 here-in-above.

Supply, lowering & installation of submersible pump, with SS Bowl and connected with 100 mm dia column pipe by means of SS flange and connecting SS Nipple having diffuser casing construction and impellers dynamically balanced rotor and pump shaft with impeller and motor suitable for operation on 3 phase 415 volts, complete set , head 150 mtr, discharge range 1000 LPM including cable guard and cable as per manufacturer's recommendation upto 02 run x 120 mtr etc. complete all as specified & directed.

S&F polypropelene rope 28mm dia, each roll of 220 mtr length, ISI marked, heavy grade for holding the submersible motor complete all as specified & directed.

Supply & installation Starter panel non draw out type indoor installation with dust and vermin proof compartmentalized design single front construction, weld rivet, hinges threads shall be apparent from outside, powder coated panel IP-54 of size 1375mm x 1050mm x 350mm including copper busbar of 200 Amp three phase 4 wire SCADA compatible including MS stand fabricated from 50x50x6mm angle iron, length & width as per panel size, height not less than 300mm with minimum ground clearance of 150mm & fixing the stand with grouting and panel comprising of following complete all as specified & directed :- (a) INCOMING SECTION: (i) 100Amp, TP, MCCB 36 KA Micro processor base release 01 No. (ii) RYB indication Lamps, 220 volt AC 01Set (iii) MFM Meter, EM-6436 01 No. (iv)Current Transformer, 60/5A, CI-1.0 03 Nos. (v) MCB-6Amp, SP 07 Nos. (vi) Power Contactor, 60Amp, TP 01 No. (vii) Mechnical Interlock for contactor (viii) Phase Sensor 01 No. (ix) Water Level Controller 01 No. (x) Auxilary Relay, 2NO+2NC 02 Nos. (xi) On Delay Timer 01 No. (xii) Start/Stop Push Button, 1No+1NC 01 No.

Supply & lowering 100mm dia heavy grade GI pipe with flange end both side, 3mtr length including all fittings and fixtures(gasket, nut, bolts & washer etc.) complete all as specified & directed.

S&F MS well cap of 300 mm nominal bore of pipe at the top of casing pipe of bore well with locking arrangement, complete all as specified & directed.

S&F MS bail plug suitable for 200mm nominal bore MS pipe including its fixing arrangements complete all as specified & directed.

S&F clamp 02 Nos. made out of MS flat iron 150mm x 16mm for holding with 300mm bore housing pipe complete all as specified & directed.

S&F Air Valve 25 mm bore with required length of GI pipes, clamps etc complete all as specified & directed.

S&F pressure gauge 0 - 50 Kg/Sqcm range with necessary siphon and 15 mm bore stop valve including 15 mm bore GI pipe, not exceeding 0.25 mtr in length, 15 mm bore brass bib cock on rising main including drilling tapping on GI / CI pipe line complete all as specified & directed.

M&L for strata sample at every 3 meters depth, one set in suitable box pattern( for each borewell), earth sample strata should be produced as per relevant IS code and submitted to the department. The box shall be 2nd class hard wood with suitable locking arrangement etc complete all as specified & directed.

M&L for borewell chart(for each borewell) on acrylic sheet of size 60cm x 30cm duly marked permanent marking including 12mm thick plywood frame, clamps, for fixing on wall etc complete all as specified & directed.

Supply, fixing & testing cast iron sluice valve class PN 1.6, heavy duty, ISI marked, both ends flanged with brass spindle of size 150mm complete all as specified & directed.

Supply, fixing & testing cast iron Non return Valve class, heavy duty, ISI marked, both ends flanged of size 150mm including fitting for connecting the line complete all as specified & directed.

Excavation in trenches, not exceeding 1.5mtr wide and not exceeding 1.5mtr in depth; for foundation, laying/taking out pipes/cables etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exceeding 10sqm on plan & not exceeding 1.5mtr in depth and getting out, in hard/dense type of soil complete all as specified & directed.

Returning, filling in including spreading leveling watering and well ramming in layers not exceeding 25cm thick each in hard/dense type of soil complete all as specified & directed.

Removal of excavated soil to a distance not exceeding 50 mtr & depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified & directed.

Supply, laying & testing centrifugally cast (spun) ductile iron pipes of 150mm dia pressure pipes water delivery with flanged end, class 'K-9' conforming to IS 8329:2000 (reaffirmed 2005) suitable for rubber gasket jointing with inside cement mortar lining with portland slag cement as per IS 455 :1989(reaffirmed 1995) and external metallic zinc coating as per annexure 'A' of IS 8329 with finishing layer of bitumin coating as per annexure 'C', duly ISI marked in any length laid as in trenches complete all as specified & directed.

S&F heavy duty (K-12) DI specials i.e. Bends (any type, radius and angle), Tapers any type,( straight, bend, increasing, decreasing or double socket etc), Tee pieces single branch, Y junction, Double branch, Cross (all sockets or socket and spigot or all flanged or one end flanged and other ends spigot /socketed), Collars, Caps and Plugs, MJ collar coupling etc. conforming to IS 9523:2000(reaffirmed 2005) and upto 150 mm bore, complete all as specified & directed.

M&L joint with rubber or fibre board gasket for flanged end fitting upto 150 mm bore including Nuts, bolts and washers etc, complete all as specified & directed.

M&L earthing complete with galvanized steel earth plate electrode 60cm x 60cm, 6mm thick, buried directly in ground vertically to a depth not less than 2.25 mtr deep below ground level with top edge of the plate not less than 1.5 mtr below normal ground level, filled around with layer of charcoal dust and salt and connected to GI earth strip 32x6mm by means of bolt, nut and check nuts and washers of galvanzied iron or steel and other end of the earth strip, connected to test point/equipment/panel and protected by galvanized iron pipe light grade 50mm bore 1.5 mtr long and watering pipe 20mm dia light grade upto 7.5 mtr with funnel and wire mesh, PCC 1:3:6 in chambers, RCC 1:2:4 in pit cover reinforced with 8mm dia deformed bars @ 15cm centre to centre both way including necessary excavation & earth work as all as shown in electric plate No. 3 of SSR Part-I complete all as specified & directed. Notes: (i) PCC chambers shall be constructed at leasts 1.5 mtr away from the earth electrode and pipe for watering. (ii) On testing if the desired earth resistance is not obtained, earthing will be generated at No extra cost, till the desired earth resistance is obtained.

S&F Submersible Cable 16 sqmm, 3 core 1100 volt grade complete all as specified & directed.

Supply & installation of water meter Dry dial mechanical driven flange ends to ensures wiper to keep the dial free from frost for clear reading Metallic gears for long life and durability, size 150mm, confirming to relevant IS code, PN-1.6 ratng complete all as specified & directed.

M&L plain cement concrete(PCC) type B1, 1:2:4 (using 20 mm graded mechanically crushed stone aggregate) as in kerbs or mud stops, rounded or chamfered on edges including necessary formwork complete all as specified & directed.

S&F GI tubes, medium grade, 80mm bore with all fittings and fixed to walls and ceilings or laid in floors (3.0 metre long with cap plug and cap top for feeding pea gravel for each bore well )complete all as specified & directed.

S&F mild steel centring guide of approved quality for 300mm bore pipe complete all as specified & directed.

M&L double wall corrugated (DWC) HDPE pipe outer dia 90mm confirming to IS 16098(Part-II) with end cap laid as in trenches/under road/under floor including cutting road/floor and making good wherever necessary or fixed to wall/pole with fixing arrangement with suitable size of MS clamps made from 40mm x 3mm size flat iron including nuts, bolts & washers for cable protection complete all as specified & directed.

KULWANT SINGH (BID ID -3118334)

Ansh Enterprises (BID ID -3098325)

JS CONSTRUCTION COMPANY (BID ID -3119624)

SWAMI ENGINEERS (BID ID -3098586)