CA NO. GE AF NO.1/GUR-29/2024-25 REPAIR AND MAINTENANCE OF SUBMERSIBLE PUMPING SET, CENTRIFUGAL PUMPING SET, CHLORINATION SYSTEM, DEVELOPMENT OF LOW YIELD BOREWELL AND OTHER CONNECTED WORKS FOR WATER SUPPLY INSTALLATION AT AF STN GURGAON UNDER GE (AF

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 100 meters and including submersible cable, SWR rope, submersible pump and motor of any capacity and size for carrying out the necessary repair work and lowering the pumpset motor alongwith column pipe, submersible cable, SWR rope after repair and connecting electric and water pipe connection as per existing etc 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. The standby pump set of same capacity if not available with the department then on that case the contractor will provide the pump and motor within 6 hrs, if not then Rs 500/- per hours will be charged from your RAR/FB

M&L for transporting the submersible motor / pump of any make and capacity to the workshop, opening of the motor after unscrewing nuts, bolts and washers, checking the serviceability of windings, electrically and manually, and transporting back to the existing site from workshop after carrying out the repair work, complete all as specified and directed by Engineer-in-Charge.

M&L for cutting and taking out unserviceable copper wire windings from the rotor grooves of the 10 HP submersible motor, cleaning the grooves/ rotor with chemical reagent, re – winding the same with super enamelled PVC insulated copper wire of suitable gauge (Approx Kgs - 7.5) including teflon tape insulating paper jointing material etc complete all as specified and directed by Engineer-in-Charge.

M&L for cutting and taking out unserviceable copper wire windings from the rotor grooves of the 12.5 HP submersible motor, cleaning the grooves/ rotor with chemical reagent, re – winding the same with super enamelled PVC insulated copper wire of suitable gauge (Approx Kgs - 8.5) including teflon tape insulating paper jointing material etc complete all as specified and directed by Engineer-in-Charge.

M&L for cutting and taking out unserviceable copper wire windings from the rotor grooves of the 15 HP submersible motor, cleaning the grooves/ rotor with chemical reagent, re – winding the same with super enamelled PVC insulated copper wire of suitable gauge (Approx Kgs - 9.5) including teflon tape insulating paper jointing material etc complete all as specified and directed by Engineer-in-Charge.

M&L for cutting and taking out unserviceable copper wire windings from the rotor grooves of the 7.5 HP submersible motor, cleaning the grooves/ rotor with chemical reagent, re – winding the same with super enamelled PVC insulated copper wire of suitable gauge (Approx Kgs - 9.5) including teflon tape insulating paper jointing material etc complete all as specified and directed by Engineer-in-Charge.

M&L for cutting and taking out unserviceable copper wire windings from the rotor grooves of the 5 HP submersible motor, cleaning the grooves/ rotor with chemical reagent, re – winding the same with super enamelled PVC insulated copper wire of suitable gauge (Approx Kgs - 7.5) including teflon tape insulating paper jointing material etc complete all as specified and directed by Engineer-in-Charge.

M&L for cutting and taking out unserviceable copper wire windings from the rotor grooves of the 3 HP submersible motor, cleaning the grooves/ rotor with chemical reagent, re – winding the same with super enamelled PVC insulated copper wire of suitable gauge (Approx Kgs - 7.5) including teflon tape insulating paper jointing material etc complete all as specified and directed by Engineer-in-Charge.

M&L for overhauling of submersible pumps of any type/make, rotor turning and grinding including dismantling and re-assambling of pump and replacing the unserviceable items of the pumps after checking the serviceability of the pumps of 10 HP capacities.( New parts shall be measured and paid seperately as supply only)

Supply only Housing bushes PVC

Supply only Seal bush PVC

Supply only Segment and thrust bearing

Supply only oil seal & cable seal

Supply only Impeller

Supply only Guide bushes

Supply only Distance sleeve

Supply only Neck ring PVC

Supply only Top dol bushes & sleeves set

Supply only Coupling with sand guard

All as item NO. 09.00 here-in-before but pump set of capacity 12.5 HP

Supply only Housing bushes PVC

Supply only of Seal bush PVC

Supply only of Segment and thrust bearing

Supply only of oil seal & cable seal

Supply only of Impeller

Supply only of Guide bushes

Supply only of Distance sleeve

Supply only of Neck ring PVC

Supply only of Top dol bushes & sleeves set

Supply only of Coupling with sand guard

All as per item No 09.00 here-in-before but pump set of capacity 15 HP

Supply only Housing bushes PVC

Supply only Seal bush PVC

Supply only Segment and thrust bearing

Supply only oil seal & cable seal

Supply only Impeller

Supply only Guide bushes

Supply only Distance sleeve

Supply only Neck ring PVC

Supply only Top dol bushes & sleeves set

Supply only Coupling with sand guard

All as per item No 09.00 here-in-before but pump set of capacity 7HP

Supply only Housing bushes PVC

Supply only Seal bush PVC

Supply only Segment and thrust bearing

Supply only oil seal & cable seal

Supply only Impeller

Supply only Guide bushes

Supply only Distance sleeve

Supply only Neck ring PVC

Supply only Top dol bushes & sleeves set

Supply only Coupling with sand guard

All as per item No 09.00 here-in-before but pump set of capacity 5 HP

Supply only Housing bushes PVC

Supply only Seal bush PVC

Supply only Segment and thrust bearing

Supply only oil seal & cable seal

Supply only Impeller

Supply only Guide bushes

Supply only Distance sleeve

Supply only Neck ring PVC

Supply only Top dol bushes & sleeves set

Supply only Coupling with sand guard

All as per item No 09.00 here-in-before but pump set of capacity 3 HP

Supply only Housing bushes PVC

Supply only Seal bush PVC

Supply only Segment and thrust bearing

Supply only oil seal & cable seal

Supply only Impeller

Supply only Guide bushes

Supply only Distance sleeve

Supply only Neck ring PVC

Supply only Top dol bushes & sleeves set

Supply only Coupling with sand guard

M&L for overhauling of submersible Motor of any type/make including dismantling and re-assambling of pump and replacing the unserviceable items after checking the serviceability of 10 HP motor capacities.( New parts shall be measured and paid seperately as supply only)

Supply only Thrust plate

Supply only Bush

Supply only flange

All as per item No 15 here-in-before but pump set of capacity 12.5 HP

Supply only Thrust plate

Supply only Bush

Supply only flange

All as per item No 15 here-in-before but pump set of capacity 15 HP

Supply only Thrust plate

Supply only Bush

Supply only flange

All as per item No 15 here-in-before but pump set of capacity 7 HP

Supply only Thrust plate

Supply only Bush

Supply only flange

All as per item No 15 here-in-before but pump set of capacity 5HP

Supply only Thrust plate

Supply only Bush

Supply only flange

All as per item No 15 here-in-before but pump set of capacity 3 HP

Supply only Thrust plate

Supply only Bush

Supply only flange

Testing of water sample from all 12 borewells of pump Houses under GE(AF) Gurgaon No 1 for water testing on quaterly basis by authorised Certified Labouratory as per IS-10500 for drinking water and submitting the report all as specified and directed as under:-. (a) Colour hazen (b) Odour (c) Taste (d) Turbidity, NTU (e) PH value (f) Total dissolved solid, mg/ltr (g) Total Hardness (as CaCo3) mg/ltr (h) Chloride (as Cl2), mg/ltr (j) Nitrate (as NO3) mg/ltr (k) Iron (as Fe), mg/ltr (l) Coli form and Ecoli Mg/L. (note: The rate is based on qtrly check for all borewell be treated as a one job)

M&L for replacement of single phase preventor 50 HZ complete all as specified and directed by Engineer-in-Charge.

S& F in replacement of Fully Automatic Star Delta Starter for Submersible pump controller in sheet metal Enclosure Type MU-G of size 10 HP, 7.5 KW , 415 Volt 3 phase of relay max range (A) 09 - 13 complete all as specified and directed by Engineer - in charge.

S& F in replacement of Fully Automatic Star Delta Starter for Submersible pump controller in sheet metal Enclosure Type MU-G of size 12.5 HP, 9.3 KW , 415 Volt 3 phase of relay max range (A) 12 - 18 complete all as specified and directed by Engineer - in charge.

S& F in replacement of Fully Automatic Star Delta Starter for Submersible pump controller in sheet metal Enclosure Type MU-G of size 15 HP, 11.2 KW , 415 Volt 3 phase of relay max range (A) 12 - 18 complete all as specified and directed by Engineer - in charge.

Re- development of bore well by means of air compressor of capacity ( not less than 600 cu.feet/minute) followed by high capacity pump to its optimum yield till clear water of potable quality free from sand and silt is obtained including draw down performance and yield test of tube well complete all as specified and directed by Engineer - in charge ( Note ;- compressor shall be not less than 75 BHP or above capacity pumping set equipment for testing yield shall be used).

Pea gravel of size 2 mm to 6 mm around the linear assembly from bottom to ground level complete all as specified and directed by Engineer - in charge

Supply and fixing in replacementing of Well Cap of 300 mm bore pipe complete all as specified and directed by Engineer - in charge

Taking down unserviceable GI coloum pipe including flange ,rubber sheet, nut bolt washer and supply and fixing in replacement new GI pipe heavy grade for coloum pipe ( 3mtr length) of bore well of size 40 mm dia complete all as specified and directed by Engineer-in-Charge.

Taking down unserviceable GI coloum pipe including flange ,rubber sheet, nut bolt washer and supply and fixing in replacement new GI pipe heavy grade for coloum pipe ( 3mtr) of bore well of size 50 mm dia complete all as specified and directed by Engineer-in-Charge.

Taking down unserviceable GI coloum pipe including flange ,rubber sheet, nut bolt washer and supply and fixing in replacement new GI pipe heavy grade for coloum pipe ( length 3mtr) of bore well of size 80 mm dia complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement of galvanized iron tubing 100mm bore medium grade with all fittings with all its fittingsi.e union ,tee, elbow etc used for connection complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement of galvanized iron tubing 80mm bore medium grade with all its fittingsi.e union ,tee, elbow etc used for connection complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement of galvanized iron tubing 50mm bore medium grade with all its fittingsi.e union ,tee, elbow etc used for connection complete all as specified and directed by Engineer-in-Charge.

Supplying and connecting in replacement PVC insulated flexible flat 3 core submersible cable with copper conductors of size 6 sqmm from control panel near bore hole to submersible pump set

S&F in replacement of chlorine dosing agitator 0.5 HP, 1440 RPM for mixing automation single phase complete all as specified and directed

S&F in replacement of Chlorine Dosing tank polyethylene type of 100Ltrs capacity with upper led having opening for fixing of agitator and dosing pump complete all as specified and directed by Engr-in-charge

Supplying , installing , testing and commissioning in replacement of Chlorine dosing pump of high pressure single head gear motored adjustable dosing pump of potter and watt with accessories including lead, connecting nuts, injection check valve, clay weight, ferrule, dosing system of potter and watt consisting of 100 Ltrs PE/FRP tank with PE/FRP lid, level gauge, single phase electric motor and agitator with shaft and blade mounted on tank, lid must have port hole pouring granular chlorination chemical and water when necessary. Lid must have provision for mounting dosing pump on the lid/wall including inlet and out let connection with 15mm dia heavy graded PVC pipe and connected fitting with 15mm dia gate valve complete all as specified and directed by Engineer-in-Charge.

S&F of Dosing Pump IMP 64 Diaphragm Water Pump (0.5 hp) , Electrical 230 V AC, 50 Hz., Splash-proof enclosure, Dosing rate @ 4 Kg/Cm² & 10.0 Lph, Built in air release valve (ARV) , IP 65 certified, Suction/Discharge tubing 4/6 mm complete all as specified and directed by Engr-in-Charge.

S&F in replacement Rotor assembly with bearings brackets & Tolerance ring complete all as specified and directed by Engineer - in charge.

S&F in replacement NRV 3/8" complete all as specified and directed by Engineer - in charge

S&F in replacement Injection check valve 3/8" complete all as specified and directed by Engineer - in charge

S&F in replacement Weighted suction line stainer 3/8" complete all as specified and directed by Engineer - in charge

S&F in replacement 3/8" whitesuction/dishcharge tubing complete all as specified and directed by Engineer - in charge

S&F in replacement Roller Assembly complete all as specified and directed by Engineer - in charge

S&F in replacement Rotor assembly with bearings brackets & Tolerance ring for Decrin dosing complete all as specified and directed by Engineer - in charge

S&F in replacement Ferrule 1/4 " (pk of 24) for dosing pump complete all as specified and directed by Engineer - in charge

S&F in replacement Check valve duckbill for dosing pump complete all as specified and directed by Engineer - in charge

Yield test of the bore well with continously pumping with submersible pumping set of 15 to 25% higher than designed discharge for 16 hrs to determine safe pumping yield. The discharge shall be measured by V notch system fixed to steel tank for accurate measurement as per IS Standards complete all as specified and directed by Engineer - in charge. Note :- The rate quoted include arrangements of all equipments submersible pumping set with motor, cable starter etc. Nothing extra amount payable to contractor

supply and fix in replacement of Calcium Hypo Chloride in granular form having 65% to 70 % Chlorine content complete all as specified and as directed.

Supply, laying and testing LT XLPE insulated screened PVC bedded galvanized steel strip or wire armoured electric power cable, heavy duty, 1100 Volts grade with stranded aluminium conductor of size 25 Sq mm, 3.5 core on pole, under floor, in pipe complete all as specified and directed by Engineer-in-Charge.

Supply, laying and testing LT XLPE insulated screened PVC bedded galvanized steel strip or wire armoured electric power cable, heavy duty, 1100 Volts grade with stranded aluminium conductor of size 16 Sq mm, 4 core on pole, under floor, in pipe complete all as specified and directed by Engineer-in-Charge.

Excavation in trenches in soft/loose soil , not.exc 1.5 mtr wide and not.exc 1.5 mtr deep and getting out in soft/loose soil for laying of cable/foundation of pole and stay etc, complete all as specified and directed by Engineer-in-Charge.

Removing excavated materials (soil) to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above ground level from starting point, complete all as specified and directed by Engineer-in-Charge.

Returning, filling in including spreading, levelling, watering and well ramming in layers n.exc 25 cm thick 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 watering and consolidation ( to the thickness 18cm) complete all as specified and directed by Engineer-in-Charge. Note :- Compacted / punned thickness shall be considered for the purpose of payment.

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

M&L for servicing of liquid chlorine dosing system, any make, any type/capacity complete including replacement of chlorine dosing pipe upto 2.5 mtr length for each plant including servicing of motor, washing of chlorine tank with descaling agent and re-commissioning testing of plant complete all as specified and directed by Engineer - in charge

S& F in replacement of MCCB 100 Amp, 4 Pole 415V 16 KA along with seperators all as specified and directed

S& F in replacement of MCCB 100 Amp, 3 Pole 415V, 16 KA along with seperators complete all as specified and directed by Engineer - in charge

S& F in replacement of TPN 63Amp, 415V , 16KA complete all as specified and directed by Engineer - in charge.

M& L for Repair & testing of Panels complete all as specified and as directed by Engr-in-charge. (Note;- The rate also includes change of Wiring of any size in the panel. Parts required are seperately measured in the schedule)

Supply only Contactor MNX 18, 3 Pole

Supply only MNX 9, 3 Pole contactor

Supply only Contactor MNX 25, 3 Pole

Supply only Single phasing preventor relay

Supply only VSP 2

Note:- The amount of Rs 1,51,050/- against Schedule of Credit on Page No 117 to 118 shall be deducted from the total amount quoted against Sch 'A' while deriving the Contract Sum for Acceptance

M/S PARKASH ENTERPRISES (BID ID -3046200)

OM ASSOCIATES (BID ID -3045897)

J D ENTERPRISES (BID ID -3053974)

shakti construction (BID ID -3046215)

MOHIT ENTERPRISES (BID ID -3046199)

triveni enterprises (BID ID -3046025)