CA NO CWE/CHD-68/2021-22 PROVISION OF ONE NEW BOREWELL AT N

Amount

M&L bore hole 683 mm bore perfectly vertical with reverse rotary rig circulation method or any other method of latest technology through any kinds of strata of the layers to the complete depth including maintaining strata samples duly graphically recorded and carried out electronic log test of the layers to the complete depth suitable for lowering MS casing pipes and gravel packing for the required length complete all as specified and as directed by the Engineer in charge.

All items as per Ser No 1.01 above here-in-before Drilling from ground level upto 30 mtr depth

All items as per Ser No 1.01 above here-in-before Drilling from exc 30 mtr upto 60 mtr depth

All items as per Ser No 1.01 above here-in-before drilling from exc 60 mtr upto 90 mtr depth

All items as per Ser No 1.01 above here-in-before drilling from exc 90 mtr upto 120 mtr depth

All items as per Ser No 1.01 above here-in-before drilling from exc 120 mtr upto 150 mtr depth

All items as per Ser No 1.01 above here-in-before drilling from exc 150 mtr upto 180 mtr depth

All items as per Ser No 1.01 above here-in-before drilling from exc180 mtr upto 210 mtr depth

All items as per Ser No 1.01 above here-in-before drilling from exc 210 mtr upto 240 mtr depth

All items as per Ser No 1.01 above here-in-before drilling from exc 240 mtr upto 270 mtr depth

All items as per Ser No 1.01 above here-in-before drilling from exc 270 mtr upto depth as directed by GE. Note for item No 1.01 to 1.10. lowering to ERW MS casing pipe and gravel packing shall be measured and paid seperately under respective item of this sch A / BoQ.

Supply assembling and lowering 300 mm dia Housing pipe (ISI Marked ERW) into bore holes including screwed socketed and welded to each other length of pipe upto 06 mtrs long heavy duty with minimum 8 mm wall thickness including necessary fittings & fixtures and jointing from ground level dully painted with two coats of bituminous paint on external surfaces of pipe complete all as specified and as directed. Make. TATA/JINDAL/OSWAL/VPL

Supply assembling and lowering 200 mm dia casing pipe (ISI Marked ERW) into bore holes including screwed socketed and welded to each other length of pipe upto 06 mtrs long heavy duty with minimum 8 mm wall thickness including necessary fittings & fixtures and jointing from ground level dully painted with two coats of bituminous paint on external surfaces of pipe complete all as specified and as directed. Make. TATA/JINDAL/OSWAL/VPL

Supply assembling and lowering 200 mm dia Low carbon steel pipe grade V ring type screen (suitable for above borewell) slotted pipe having 1 mm (or as recommended by Geologist and approved by GE) slot size into bore hole incl screwed socked and welded each length of pipe dully painted with two coats of bituminous paint on external surfaces of pipe complete all as specified and as directed. Make. TATA/JINDAL/OSWAL/VPL

All as per item No 4 herein before but 300 mm dia Make. TATA/JINDAL/OSWAL/VPL

Development of borewell by air compressor of the capacity 475 CFT/ per minutes and 1100-350 PSIG appropriate capacity as required on ground till to get clear water including carryingout yield test complete all as specified and as directed.

Development of borewell using submersible pump of capacity 35000 GPH with variable drive to achieve sand free discharge including carrying out yield test using V notch/ other method to measure discharge (as per IS) complete all as specified and as directed. Note. (i) Cost for hiring of equipment such as pump set of higher capacity, column pipes, submersible cable and provn of electric connection including arrangement for lowering of pump set and column pipes and necessary provision for yield testing with V notch shall deemed to be included in the quoted rates. (ii) Yield test shall be carried out for continously pumping of 10 hours to determine safe pumping yield.

MS Reducer of size 300x200mm (Nominal bore) having wall thickness 8mm, screwed at both ends with & including necessary fitting and jointing, providing at appropriate level complete all as specified and as directed. Note. 04 Nos MS flat iron 75 x 4mm shall be welded to pipe and over socket.

M & L for Bore well cap made of 8 mm thick M S sheet suitable for 300 mm dia ERW MS casing pipe and dully drilled for 100 mm bore GI pipe medium grade including locking arrangement with top end of the casing pipe test complete all as specified and as directed.

M&L for bail plug of 200 mm dia ERW MS casing pipe of thickness 8mm with strong iron hook screwed and duly welded to lower most end of the casing pipe test complete as specified and as directed. (Pipe will be measured and paid for separately).

S&F and lowering of MS centering guide into borewell made out of MS flat iron ribs suitable for 200 mm bore MS casing duly welded, complete as specified and as directed

M&L for housing clamp 150 mm long in two halves 20 cm wide made out of 20 mm thick MS plate for 300 mm dia MS Housing pipe with necessary bolts and nuts with twin washers at ground level embedded in bed block PCC (1:2:4) type B-1 using 20mm crushed graded stone aggregate of size 900 x 900 x 900mm (around borewell pipe, with and including 100 mm dia 1 m long 2 nos gravel feed pipe (embedded) with cap complete as specified and as directed.

Fabrication & supplying of strata sample box overall size 400x750x 100mm, made out of 18 to 20 mm thick veneered particle board, frame of aluminium angle of size 25x25x2mm having 20 Nos. partitions of size 150x100x100mm made with 12 mm thick commercial quality plywood and 25x25x2mm aluminium angle bearers, with and including sliding type sheet glass 5mm thick cover with suitable size aluminium channel frame complete as specified and as directed.

Supply lowering and packing pea gravel of size 2 mm to 3.5 mm duly screened and washed, around casing pipe and slotted pipe in the bore hole complete all as specified and directed.

Electric logging by means electric logger for the total depth of tube well 680mm dia submission of 4 copies of logging sheet one original copy and its interpretation and approval from Geoligist complete all as specified & directed.

Supply, install/ lowering and testing of submersible pump, electric driven 415 V, TP not less than 41 HP Motor with minimum 7 stage pumpset suitable for discharge of 1166 lpm , head not less than 129 Mtr. Note:- (i) Discharge case shall be fitted with suitable adopter of 100 mm nominal bore 0.6m length threaded at one end and flanged at other end to match with column pipe duly fitted with 2 Nos. flat iron supports. The adopter shall be welded to GI pipe outlet and studded with discharge case. (ii) Column pipe and control cable shall be measured and paid seprately under respactive items of schedule 'A'. (iii) The length of submersible cable connected alongwith motor supplied by manufacturer shall not be measured and paid for seperately.

Supply, jointing and lowering of galvanized Iron, column pipe 100 mm nominal bore, medium grade, in 3.00 mtr length each pipe duly flanged at both ends by welding with special provision of accessories such as MS supporting clamps having slots for housing two Nos with and including submersible cable upto 35 Sqmm size including nuts, bolts, washers, rubber gasket etc. complete all as specified and directed.

Supply, jointing and lowering of PVC insulated multi-stranded copper conductor 16 Sq mm (nominal area) 3 core submersible cable and connected to submersible pump set including submersible cable joints & LT panel board complete all as specified and directed.

Supply, installation, testing and commissioning of dozing pump high pressure single head, gear motored adjustable dozing pump and high pressure range from 0 to 100 PSI, Power 230 volts, 50 Hz, 44 RPM 1/30 HP functional output 2 US GPD to 40 US GPD self priming with vertical or Horizontal mounting type complete all as specified and directed.

M&L for cast Iron fitting and specials ISI marked (IS: 1538) for CI flanged pipes such as bends, tapers, tee pieces (Single branch) any type and angle/ radius and connecting pieces with and including all ends flanged upto 200 mm bore complete all as specified & directed.

M&L for non Return Valve of cast iron for 150 mm bore pipe Class-I (ISI marked) and brass flap and seat withpout by pass arrangement, flanged both ends, joints and jointing material such as nuts, bolts, washers and rubber gasket etc complete all as specified and as directed.

M&L for cast iron Sluice Valve ISI mark class PN-1 with flanged and drilled ends suitable for 150 mm nominal bore pipe / fitting with iron wheel high tensile steel spindle with & including joints and jointing material such as bolt, nuts, washers and rubber gasket etc complete all as specified & directed.

M&L for ductile iron pipe (water mains) 150mm bore class 'K-7' (duly marked with IS:1536) with spigot and socketed suitable for rubber tyton joint, centrifugally cast in any lengths, complete all as specified & directed.

S&F for rubber tighten joint for 150mm dia pipe complete all as specified and directed.

Supply and laying cable XLPE insulated screened PVC bedded galvanisied steel strip or wire armoured electric power cable 1100 volt grade with stranded aluminium conductor of size 50 Sqmm 3.5 core complete all as specified and directed.

Excavation in trenches in soft/loose soil not exc 1.5m wide and not exc 1.5m deep & getting out for laying of pipes complete all as specified and directed.

Returning, filling in, incl spreading, leveling, watering and well ramming in layers not exc 25cm thick layers of soft/loose soil complete and all as specified.

M&L for sand filling with clean dry fine sand unwashed including gently punning around cables in trenches/ducts for cable protection complete all as specified and directed.

M&L for old size sub class `B` bricks, kiln burnt, as in cable protection laid flat with axis of brick perpendicular to the axis of the cable complete all as specified and directed.

DI fittings of size up 150 mm bends (any radius and angle) Tapers any type, (straight, bend, increasing, decreasing or double socket etc) Tee pieces single branch. `Y` junction, double branch cross (all socket or socket and spigot) collars, caps and plugs etc.,complete all as specified.

S&F in rolled mild steel duct cover made out 7 mm thick of plates (plain or chequred) channels, square cut or notched (ordinary and counter sunk) forming holes, handle with riveted, bolted or welded attachment conforming to Fe 410-W(Gde-E-250) quality-A complete all as specified and directed by Engineer in charge.

M & L for factory made machine pressed 60mm thick pre-cast cement concrete( Design Mix-35 ) inter locking tiles any colour and shape ( confirming to ISI-15658-2006) bedded over 50 mm thick sand cushioning and joint filled with sand complete all as specified and directed by Engineer-in-charge.

M&L for Mild steel work of angle iron section or any section as in posts & struts for cattle/security fencing/ including cutting top to shape, drilling holes, notching for wires etc, flat iron fillets (for securing wire mesh etc) including 12 mm dia round running bar as in fencing post, including all necessary drilling, bolting or riveting etc and similar work conforming to Fe-410-w (Grade E-250 quality-A) complete all as specified and as directed by Engineer –in- charge

Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161- 1979 grade St.-240 → complete all as specified and directed.

Supply only chain link MS galvanized fencing of 3.15mm dia wire and any size of mesh size (pitch of wire) as directed by Engr-in-charge complete all as specified and as directed.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provision of binding wire complete all as specified and as directed.

S & F Pre-painted galvalume aluminium zinc coating GI based plain steel sheet 0.50mm of an colour having tensile strength of 550Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and as directed.

M & L continous brick edging with burnt clay of sub class B bricks of old size laid with width equal to the width of the brick, laid dry on end vertically complete all as specified and as directed.

M&L for steel tubler swaged poles complete with cast iron based plate, finial taper plug, bolts, nuts & serews as specified type 410 SP -22 (8.5 Meters long) complete all as specified and directed.

S &F in repairs energy saving LED street light 40 to 45 watt luminaire with high power LEDs with lens of beam angle of 120 degree,luminaire made of pressure die cast aluminium housing with top openable driver compartment built in heat sinks, painted with polyurethan/powder coated paint, enclosed with toughened glass include separate compartment for cable and including sealed/compact driver for easy access during maintenance with the following specifications :- (a) Front cover - Clear toughned glass only(b) Ingress protection - IP -66 (c) System efficacy - > 100 Lumen/watt(d) LED efficay - > 100 Lumen/watt. (e) CRI - > 70. (f) CCT - 5700 K ±300 (g) Lense - Should have indl lense on each LED for better distribution (h) Wattage of LED - less than 3 watts. (j) Driver - Isolated, Constant Current, Repairable but sealed type, suitable for 30Vdc & 1.30A. Driver and fixture should be of same make. Driver should have 5KV inbuilt surge protection. (k) Mounting dia of fixture - not less than 40 mm (l) Power factor - >0.95 (m) I/P Voltage Range- 140 to 270 Volts (n) THD - <10%. (o) External Surge Protection -20 kv outside the fixture. (p) High Voltage Cut off - 300V ± 10V(q) Make of LED - Osram, Cree, Nichia, Seoul (r) Discharge surge current (Imax)- 10kA (8/20 (s), Nominal discharge surge current (In)-5kA (8/20 µs).

BANSAL ENGINEERING

B N FRIENDS AND CO

M/S SONI DRILLERS