REPLACEMENT OF QTY 02 BOREWELLS AT AF STN GURGAON UNDER GE (AF) GURGAON NO.1

Amount

M&L for disconnecting the electric and water pipe connections for lifting/taking out the column pipe of any dia from the bore well upto a depth of 120 meters including submersible cable, SWR rope, submersible pump and motor of 15 HP complete all as specified and directed by Engineer-in-Charge. Note :- (i) Contractor shall take proper precautions while taking out and lowering pump set in bore well so as to avoid any damage to column pipe and submersible cable. All necessary T&P and equipments required fo taking out and lowering of pump set etc shall be arranged by the contractor at his own cost. (ii) Rates quoted by the contractor for the above item includes the cost of assembling & connecting pump set to column pipes & assembling, jointing and fixing column pipes / pump sets / submersible cable and making necessary connections and testing including reconnecting water supply system.

M&L for drilling & Reaming the bore hole by Reverse Rotary rig method of size 350mm dia in any type of strata including electrologging to find out potable water strata, prepration of site by cutting the grass bushes and leveling the same including disposal of soil from the site all as directed by Engr-in-charge Note : Transportation of Reverse Rotary machine alongwith T&P and boring accessories complete all are included.

All as per Srl item No 2.00 here-in-above but Ground level to Upto 60 meter depth (60Mtrs Each) complete all as specified and directed.

All as per Srl item No 2.00 here-in-above but 60 meter Depth to upto 200 meter depth (90Mtrs Each) complete all as specified and directed.

Supply, lowering and welding MS ERW pipe of size 200mm bore having thickness 8.00mm as per IS-4270:1992 and including welding of pipe complete all as specified and directed by Engr-in-Charge .

Supply, lowering and welding MS ERW slotted housing pipe of size 200mm bore having thickness 8mm as per IS-4270:1992 and slot size 2" x 1/16" and area of slot between 15 to 22% of screened area including welding of pipe complete all as specified and directed by Engr-in-Charge .

M&L for development of borewell by means of Revrese Rotary rig followed by compressor of min 250 PSI capacity and over pumping by Submersible pump of 25% more capacity then the installed pump untill the sand free water obtained and carrying out necessary. .

Yield test for the bore well by continously pumping for 16 hours to determine safe pumping yield and submitting the test report complete all as specified and directed by Engr-in-Charge

Supply and fixing MS bail plug of size 200mm dia fixed and welded complete all as specified and directed.

M&L for well cap fabricated out of 6mm thick MS Sheet for 200mm dia bore pipe in two piece having 80mm dia hole in centre with external bracket of flat iron of size 100mm x 6mm thick complete with nuts, bolts and washers including painting with two coats of black bitumenious paint over a coat of red oxide primer complete all as specified and directed.

S&F housing clamp for 200mm dia pipe made out of flat iron 100 x 12mm thick with required bolts, nuts & washers including painting with two coats of black bitumenious paint over a coat of red oxide primer complete all as specified and directed.

S&F housing clamp for 50mm & 80mm dia pipe made out of flat iron 100 x 12mm thick with required bolts, nuts & washers including painting with two coats of black bitumenious paint over a coat of red oxide primer complete all as specified and directed.

Supply only sample strata box with glass cover 3mm thick and having internal dimensions 1000 x600 x 100mm (LxBxD) made out of 20mm thick shisham plank with hinges, hasp, and staples including Strata chart (in duplicate) complete all as specified and directed by Engr in charge.

Supply and fix Cast Iron Non return valve of 50mm (2") dia including cutting and welding of flange alongwith gubber gasket , nut and bolts etc complete all as specified and directed.

Supply and fix Cast Iron sluice , flanged of class 1.0 PN, of 50mm (2") dia ISI marked including cutting and welding of flange alongwith gubber gasket , nut and bolts etc complete all as specified and directed.

Supply and fix Cast Iron Butterfly valve, of 50mm (2") dia ISI marked including cutting and welding of flange alongwith gubber gasket , nut and bolts etc complete all as specified and directed.

Supply and Fix in replacement of UNSV Starter with fully Automatic three phase star Delta Submersible Starter for 15 HP with the fwg configuration and relays:- 1. Protection from Overload Conditions 2. Protection from Single Phasing 3. Protection from Phase Reversal 4. Protection from Phase Unbalance 5. Proven & tested MK1 Contactor 6. Wide band coil operates from 65% to 110%of rated coil voltage 7. Auto Restart (with variable 30 Sec – 5 Min ON delay) 8. Power ON & Pump ON indication 9. Dual Voltmeter & Ammeter 10. Easy replacement of Spares

Supply and Fix in replacement of UNSV Starter with fully Automatic three phase star Delta Submersible Starter for 10 HP with the fwg configuration and relays:- 1. Protection from Overload Conditions 2. Protection from Single Phasing 3. Protection from Phase Reversal 4. Protection from Phase Unbalance 5. Proven & tested MK1 Contactor 6. Wide band coil operates from 65% to 110%of rated coil voltage 7. Auto Restart (with variable 30 Sec – 5 Min ON delay) 8. Power ON & Pump ON indication 9. Dual Voltmeter & Ammeter 10. Easy replacement of Spares

Earthing complete with Galvanised steel earth plate electrode 600 x 600 x 6 mm buried directly in the ground vertically to depth not less than 2.25 Mtr below the ground level with the top edge of earth plate, depth not less than 1.5 Mtr below the ground level connected to GI earth strip of 25mm x 4 mm size by means of bolts, nuts and washers protected by GI tubing light grade 40 mm dia uptoTest point 20 mm dia watering pipe with funel & wire mesh, PCC pit in PCC 1:2:4 using 20 mm stone aggregates chamber 40 mm thick RCC cover slab (1:2:4) type B-1 using 20 mm graded stone aggregates complete all as specified and shown in electrical plate No.3 of SSR Part-I including earth work in any type of soil ,removal of surplus soil and providing charcol dust & salt layers all around the earth plate upto 15 cm all as required specified & directed by engr in charge ( Note:- Up to 7.5 Mtr length of pipe of 40 mm dia and GI strip shall be deemed to be included in unit rate quoted by tenderer GI pipe and GI strip beyond 7.5) will be measured separately under respective item

Supply and fix in replacement of any size to XLPE Insulated and PVC Sheathed Industrial 3Core Flat Submersible Cable with Bare Bunched Copper Conductor for Submersible Pump Motors with Voltage Grade 1100 Volts of size 6Sqmm as per IS:694/2010 complete all as specified and directed.

Labour only for connection and testing of submersible pumping set of any capacity with MS Pipe including Flange welding with nut, bolt and washer complete with suitable connection with fully automatic type starter complete all as specified and directed. Note : Starter and taking out of Submersible pump and motor will be paid in separate sch of work.

Supply , lowering and fixing in replacement of any size with MS Column pipe B class ISI marked both end flanged of size 80mm dia bore in 3 mtr lengthas per IS-1239 complete including rubber gasket , slot cutting in flanges for passing of submersible cable and nut bolts ,tightening of submersible cable with PVC tie rope including tie rope complete all as specified and directed by Engr-in-Charge.

Supply , lowering and fixing in replacement of any size with MS Column pipe B class ISI marked both end flanged of size 50mm dia bore in 3 mtr lengthas per IS-1239 complete including rubber gasket , slot cutting in flanges for passing of submersible cable and nut bolts ,tightening of submersible cable with PVC tie rope including tie rope complete all as specified and directed by Engr-in-Charge.

Excavating in trenches n exc. 1.5 m wide and n. exc 1.5 m in depth, foundation etc for shafts, well, cesspits , manholes, pier holes etc n exc 10 sq m on plan and n exc 1.5 m in depth and getting out soft soil complete all as specified and directed by Engineer-in-Charge.

Material and labour for Returning, filling in including spreading, leveling, watering and well ramming in layers n.exc 25 cm complete all as specified and directed by Engineer-in-Charge.

Removing excavated material n.exc 50 M and depositing where directed at a level n.exc 1.5 M above starting point complete all as specified and directed by Engineer-in-Charge.

M&L for sand cushioning in trenches for protection of LT under ground cable including punning and consolidation complete as sepecified and directed by Engr-in-Charge.

Supply and laying well burnt sub class ‘B’ bricks, locally available in trenches for protection of underground cable complete as sepecified and directed by Engr-in-Charge.

M & L XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 16 sqmm 4 Core ISI marked complete all as specified and directed

Supply and laying pipe galvanized, “Medium class”, including fittings 80 mm (3”) dia ISI marked complete all as specified and directed

Supply and laying pipe galvanized, “Medium class”, including fittings 50 mm (2”) dia ISI marked complete all as specified and directed

M&L cement concrete (1:3:6), type C-2 using 40mm graded stone aggregate in foundations, filling and mass concrete complete for making coping of street/security pole of size 60x60x30 cm along with GI Pipe of 50mm light grade for entry/exit of cable all as specified and directed by Engr-In-charge. Note: The rate of pipe is seperately quoted in the schedule

Conduct chemical and bacteriological test of water sample including PH value through Govt approved company and taking test certificate complete

Schedule of Credit

M/S mk enterprises (BID ID -3276094)

P R Constructions (BID ID -3275239)

akhil enterprises (BID ID -3275838)

V r traders (BID ID -3277338)

singh traders (BID ID -3274604)