CONSTRUCTION OF NEW BOREWELL AT GT ROAD TYPE-II COLONY OEF ESTATE.

Amount

Deploying required plant and machinery for boring 200 mm dia size pilot bore through any kind of soil / strata including hard stone / boulder by direct rotary method up to and including 200 Mtrs depth below ground level complete all as specified.

All as per item No. 1 above but depth exceeding 200 Mtrs but not exceeding 400 Mtrs.

Reaming of 200 mm pilot bore in Srl item No. 1 & 2 here in before to 525 mm dia bore with direct circulation rig machine step by step and shall be done in following:- (i) 200 mm to 350 mm dia bore (ii) 350 mm to 450 mm dia bore (iii) 450 mm to 525 mm dia bore (a) Reaming upto 525 mm for 60 to 75 RM from ground level

(b) Reaming upto 525 mm from depth exceeding 75 RM to 200 mtr

Reaming upto 525 mm from depth exceeding 200 RM to 300 mtr

Reaming upto 525 mm from depth exceeding 300 RM to 400 mtr

Supply and fixing MS strainer slotted pipe 200 mm dia nomonal bore 8.0 mm thick BIS cerified IS-8110-2000 complete all as specified, 1) The size of slot shall be designed by the contractor based on the aquifiers regularly arranged at the equal distance all around the slotted pipe so as to make the perforation area 15 to 20 % of sloetted pipe all as directed by the engineer -in -charge 2) The length of each casing pipe provided shall not be less than 2.4 mtrs except where pipe line required is lesstahn 2.4 mtrs. Pipes shall be ISI marked and approved by Garrison Engineer before lowering

Supply and assembling including jointing and lowering and fixing in position plain mild steel casing pipe 304 mm nominal dia , 8 mm thick confirming to IS - 4270-2001jointed and welded with coupler rings Note- 1)Welding to be done throughout the circumference of the pipe and coupler rings, bothe sides incl two coats of bituminous paint complete all as specified and directed by E-in-Charge. 2) The length of each casing pipe provided shall not be less than 2.4 mtrs except where pipe line required is less than 2.4 mtrs. Pipes shall be ISI marked and approved by Garrison Engineer before lowering

All as per item No.8 Above but for plain mild steel casing pipe 200 mm dia nominal bore with 8.0 mm thickness

S&F MS reducing socket 304 x 203 mm including welding MS strip 40x6mm (2 Nos) on each joint extended 75 mm on each side all as specified and directed by Engineer- in- Charge. The wall thickness of socket shall not be less than 14 mm complete all as specified.

S& F wrought iron bail plug 200 bore 1.5 M long MS pipe welded with 15 mm thick MS plate including 10 mm thick "U" hook bar all as specified and directed by Engineer -in- Charge.

S&F well cap 304 mm size nominal dia (for MS casing pipe ) including threading on top end of casing pipe last piece left above the ground level including iron handle as specified and directed.

S&F Centralizing guide made out of 40x6mm MS flat iron and 16mm dia MS deformed bars suitable for 200/304mm bore MS pipe complete all as specified and shown in IS 2800(Part-1) 1991.

S&F MS flat iron clamps size 150x15 mm 1.50 mtr long 2 Nos for holding 304mm nominal dia casing pipe, including casting of PCC block (1:2:4) type B1 using 20mm graded stone aggregate for size 1.20mtrx1.2mx1.20 m including 80mm bore GI Pipe 02 Nos, 10 mm dia nuts and bolts from each side with washers complete including form work each 1.5 mtr long with plug cap top for feeding pea gravel all as directed by Engineer - in -Charge.

Supply and laying pea gravel for packing of size 3 to 5 mm to be designed by the contractor of natural shape brought direct from river bed and packing around the casing pipe and slotted pipe complete all as specified and directed

Developing the tube well with 600 PSI, 500 CFM capacity air compressor as required until clear water is obtained including transportation, errection of air compressor complete all as specified and directed.

All as item No. 16 above but by means of over pumping unit at the rate 25% above rated discharge consisting of VT pump as required until sand free water is obtained complete all as specified and directed.

Supply of strata sample box with glass cover 3mm thick and having internal dimentions 900x400x150mm deep made of 25 mm thick teak wood plank having peagon hole and fully glazed on one side displaying strata sample as found while drilling tube well complete having letters painted, also including preparation of bore well chart on tracing cloth complete showing various strata complete all as specified and as directerd.

Yield testing of the tube well continuous up to 16 hrs all as specified in purticular specification and as directed to determine the safe pumping yield of tube well complete all as specified.

Electric logging in pilot bore for contineous process delineation of granular zones as also the quality of ground water including report interpretation complete all as specified. Note:- Electric logging shall be carried out by approved agency

Collection of water sample in presence of E-in-charge carrying to approved laboratory ( IIT kanpur or HBTI kanpur)for chemical and bacterological tests as per IS- 10500 for drinking water purpose. Necessary suggestions if any for treatment of water if need be will be certified by the Laboratory to make water potable and suitable for drinking purpose.

Supply installation, testing and commissioning of Submersible pump set electric driven, ISI marked, , pump with bronze impellars, ci casing, with ss shaft, leaded bronze bearings, / bushes , complete all as per iS- 8034 of 1989 with copper wound submersible motor suitable for 415 Volts , 3 phase, 50 Hz supply of suitable HP, stain less steel tubing as per IDS-9283 of 1974 ( suitable for 200 mm dia borewell ) with Head 100-110 Mtr mtrs and discharge 600-1000 LPM complete Make- KSB or any other equivalent make approved by GE.

S & F MS Column pipe screwed 150 mm dia 3 mtr long having wall thickness not less than 7.1 0 mm ERW , with MS flange heavy duty on both sides confirming to IS 6392 with provision of 08 nos. Holes welded all around with pipe for rigidness and 4 nos. Ribs 10 mm thick including 2 mm thick rubber sheet and steel nut and bolts 10 mm dia of suitable lengths and washers shall be confirming to IS 4272 table.

All as per item No. 23 above but 1.5 mtr long

S & F discharge head assembly 150 mm dia incl PCC 1:2:4 type B1 using 20 mm graded stone aggregate for and with provn of bolts for foundation etc complete all as specified and directed

Supply and fix steel wire rope 12 mm dia ungalvanised with D clamp shackle type for holding motor and pump with U clamp

Supply and fix flat copper cable LT 1100 V grade 3 core 16 sqmm PVC insulated and PVC sheatehd suitable for submersible pump set

Supply and fixing 150 mm dia NRV ISI marked both ends flanged including gaskets rubber 3 mm thick, GI nut bolst and washers complete

S&F M seal joint suitable for submersible cable water proof and with brass ferrules etc; complete for 3 core 16 sqmm copper conductor cable 1100 volts grade Make : M&M / M seal complete all as specified.

S&F connecting piece one end flanged and other end screwed duly welded 1.5 Mtr long MS column pipe 150 mm dia bore for connection to column pipe and NRV of submersible pump 125/150 mm dia complete.

M & L for PCC 1:2:4 type B1 ( with 20 mm graded stone agrregate) in foundation and filling in road cut surfaces

Suply install test and commissioing of electromagnetic flow water meter flanged 150 mm dia , Make- Flow tech , type full bore with PTFE line tube SS 316 seam Model No. FIS-EMFM-FE-108 suitable for water with density 1.0, MOC-SS -316 electrodes-SS-316 housing aluminum die cast weather proof IP-65,with suitable coil, coil housing, flow transmitter display, with suitable electric connection with 230V AC supply incl connected wiring etc complete all as specified and directed

Excavation in trenches in soft/ loose soil not exc. 1.5 metre wide and n'exc. 1.50m deep for pipes and getting out complete all as specified and directed.

Returning filling including spreading leveling watering and well ramming in layers not exc 25Cm in soft/ loose soil, complete all as specified and directed.

Removing excavated material in soft/ loose soil n'exc 50M and depositing where directed at a level n'exc1.5M above the starting point, complete all as specified and directed.

Supply, laying, jointing, testing and commissioning 150 mm bore ductile iron pipe of K-9 classification conforming to IS-8329-2000 with spigot and socket end centrifugally cast in any length laid in trenches including testing of pipe line after laying complete all as specified. Make of DI pipe shall be Electrosteel or equivalent in TATA/ Jai Balaji

Cutting of existing cast iron water line 150 mm bore in position for inserting CI Tee 150 x 150 x 150 mm, including special , lead and spun yarn complete all as required for making the job complete all as specified.

Supply and fixing sluice valve 150 mm dia bore cast iron both end flanged with CI wheel high tensile brass spindle including fixing arrangement class PN-1.6 suitable for 150 mm bore DI pipe with all fittings such as rubber gasket sheet, washer, nut & bolt etc; complete all as specified.

S&F Ductile iron specials and fittings such as bends, tees, collar, branch pieces, cap & plug etc, one end flange and other end spigot or socket any type any radius complete all as specified.

S&F Cast iron specials and fittings such as bends, tees, collar, branch pieces, cap & plug etc, one end flange and other end spigot or socket any type any radius complete all as specified.

M&L construction of brick masonry valve pit chamber size 1060 x 1060 x 950 mm (internal dimension) with 6 mm thick MS sheet cover and angle iron frame of 40 x 40 x 6mm with hinges complete including locking arrangement including 50 mm size brass 6 lever lock of make Godrej / Link as approved and necessary excavation & earth work & painting with one coat of primer and two coats of synthetic enamel paint on mild steel work internal and external surfaces complete all as specified.

S&F water pressure gauge 0-7 kg/sqcm 96 mm dia with AVR cock and brass adopter complete all as specified

Fabricate, Supply install test and commissioning of CPRI approved factory fabricated indoor type LT panel board suitable for 440 Volt, 3 phase & Neutral , 50Hz supply , weather and vermin proof fabricated on MS angle frame of size 50x50x5 mm as complete frame including stand 1.0 mtr long at bottom with Angle iron of size 50x50x5 mm ( 0.5 mtr embeded in ground with PCC 1:2:4),with 2.0 mm thick CRCA sheet (Make -Tata/ sail) ( load bearing members 2.0 mm thick and non load bearing members such as doors partitions etc of thick ness 1.6 mm thick ), with gland plates at bottom with suitable Brass chromium plated glands, with cadmium plated high tensile nut and bolts washers, suitable barrel copper lugs for cable terminations complete, with locking arrangements complete ,sheets bend, folded, cut with CNC machine for the accuracy of diamensions +/-0.5%, duly powder coated with siemens grey colour after chemical treatment with minimum nine tank process, with suitable ventilation at the top ,including LED RYB indicators on incoming side and ON/OFF/TRIP indications on outgoing side of breaker, interconnections from bus bars MCCB's with suitable size copper bus bars, all internal ckt / protection wiring with FRHR 1100 V grade wiring with MCB protection,including terminal adapters, spreader links on incoming and out going sides of MCCB's complete all as specified and directed and comprising of the following ( Panel at extg bore well room ) (a) Bus bar Aluminum - 200 A capacity- 04 Nos high conductivity, suitable for 415 V, 50 Hz supply including interconnection from incoming, and out going feeders with suitable mounting insulators, heat shrinkable colour sleeves. . (b) MCCB four pole 440 V, 63-160 Amp,36 KA adjustable with microprocessor release MTX 1.0 make L & T type DN2 -250D ( As Incomer) -01 No (c) MCCB three pole 440 V, 25-63 Amp,36 KA adjustable with microprocessor release MTX 1.0 make L & T type DN0 -100D* ( 01 for pump set & 01 No as spare (f)) ON/OFF indication Lamp with toggle switch and three Nos indication lamp (R,Y,B) - 1 Set of three (g) Multi function meter cat No. WI300FB53RS of L & T-01 No. (h) Fully automatic star delta starter suitable for upto 30-35 HP motor, Make L & T , Model No. MN 32 FASD, Cat No. SS 94366. (j) Motor protection relay suitable for subermisible of capacity 32-88 Amps, Model No. MPR300 Make : L&T

Supply and lay in trenches GI pipe Light grade 40 mm dia as protection to Submersible cable 16 Sqmm

Supply, laying and testing cable XLPE insulated, screened PVC bedded, galvanised steep strip or wire armoured electric power cables (heavy duty) 1100 volts grade with stranded aluminium conductor of size 50 sq mm 3.5 core (from proposed LT Panel to nearest OH conductor)

Taking down carefully/dismantling of LT OH conductors in one span between two poles not more than 35 mtrs of any size and any discription alongwith cross arms/insulator etc and deposit to factory authorities (pole near gate to next pole as obstructing the borewell T&P)

Supply, laying and testing cable XLPE insulated, screened PVC bedded, galvanised steep strip or wire armoured electric power cables (heavy duty) 1100 volts grade with stranded aluminium conductor of size 120 sq mm 3.5 core (for distribution of elect supply in lieu of OH in one span only)

Supply, laying and testing cable XLPE insulated, screened PVC bedded, galvanised steep strip or wire armoured electric power cables (heavy duty) 1100 volts grade with stranded aluminium conductor of size 35 sq mm 3.5 core (for distribution of street light supply in lieu of OH in one span only)

M&L for earthing complete withGI plate electrodes 600x600x6mm thick buried directly in ground earth pit not less than 2.25m deep below normal ground level with top edge of earth plate not less than 1.5m below ground level connected to G I strip 32x6 mm as earthing lead fixed by means of nut bolt washer of brass as shown in electrical plate No.3 of SSR Pt-I 2009 including necessary excavation and earth work in any strata, GI pipe 20mm dia light grade for watering and 40 mm dia light grade for protection of earth strip upto 7.5 mtrs, charcoal & salt etc and PCC chamber in PCC 1:3:6 type C1 covered with 40mm thick RCC 1:2:4 type B1 using 20mm graded stone aggregate reinforced with 8mm dia MS bar @ 75mm C/C both ways cover, funnel & wire mesh including making of test point all as specified testing on complete. (FOR Poposed LT Panel)

M&L for sand cushning to U/G cable in layers of 23cm thick( 8 Cm before laying the cable and 15Cm thick after laying the cable) in trenches including watering and consolidation, complete all as specified and directed.

Supply and lay well burnt brick class B as protection to cable in cable trenches all as specified and directed

Rajkaran Tubewells