REAPIRS / REPLACEMTN /MAINT OF CI/GI/DI PIPE LINES, DIFFERENT TYPE OF VALVES, VALVE PITS, BORE WELLS, REPAIRS OF SUBMERSIBLE PUMPS AND ALLIED WORKS AND PERIODICAL MECHANICAL AT TECH AREA AT AF STN KALAIKUNDA UNDER GE (AF) KALAIKUNDA

Amount

Excavating in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundations of poles etc. and getting out including trimming the sides and forming bottom surfaces to required levels in soft/loose soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, and well ramming in layer not exceeding 25 cm thick in soft/loose soil complete all as specified and directed.

Removing excavated material (soil) to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

Taking up/down old unserviceable GI/PVC/PPR pipes from trenches for repair including cleaning with all fittings of 80 mm bore complete all as specified and as directed by Engr-in-Charge. Note: Excavation/earth work will be measured and paidseparately under relevent item.

All as per item No 04 above here-in-before but of size 50 mm bore, complete all as specified and as directed by Engr-in-Charge.

All as per item No 04 above here-in-before but of size 40 mm bore, complete all as specified and as directed by Engr-in-Charge.

Supply and laying of new GI tube medium grade 80 mm bore with all fittings as required at site and laid in trenches incl connecting with existing lines complete all as specified and as directed by Engr-in-Charge.

All as per item No 07 above here-in-before but of size 50 mm bore, complete all as specified and as directed by Engr-in-Charge.

All as per item No 07 above here-in-before but of size 40 mm bore, complete all as specified and as directed by Engr-in-Charge.

Relaying of old serviceable GI pipe of 80 mm bore including fitting as obtained from item no - 04 in new or old position (trenches.) after thorough cleaning of pipe (both sides) complete all as specified and directed.

All as per item No 10 above here-in-before but of size 50 mm bore obtained from item no - 05

All as per item No 10 above here-in-before but of size 40 mm bore obtained from item no - 06

Taking up/down old unserviceable GI/PVC/PPR pipes from walls,floors,ceiling and duct etc for repair including cleaning with all fittings of 25mm bore complete all as specified and as directed by Engr-in-Charge. Note: Excavation/earth work will be measured and paidseparately under relevent item.

All as per item No 13 above here-in-before but of size 20 mm bore, complete all as specified and as directed by Engr-in-Charge.

Supply and laying of new GI tube medium grade 25mm bore with all fittings as required at site and laid in wall,floor etc incl connecting with existing lines complete all as specified and as directed by Engr-in-Charge.

All as per item No 15 above here-in-before but of size 20 mm bore, complete all as specified and as directed by Engr-in-Charge.

Relaying of old serviceable GI pipe of 25 mm bore including fitting as obtained from item no - 13 in new or old position (wall,floors.) after thorough cleaning of pipe (both sides) complete all as specified and directed.

All as per item No 17 above here-in-before but of size 20 mm bore obtained from item no - 14

Supply and fixing of GM globe/gate valve 50 mm bore with iron wheel head, screwed both ends for iron/PPR pipes, ISI marked, conf to IS including taking down old complete all as specified and as directed by Engr-in-Charge. Note: Union or long screw have to be provided before fixing of gate valve.

All as per item No 19 above here-in-before but of size 40 mm bore, complete all as specified and as directed by Engr-in-Charge.

All as per item No 19 above here-in-before but of size 25 mm bore, complete all as specified and as directed by Engr-in-Charge.

All as per item No 19 above here-in-before but of size 20 mm bore, complete all as specified and as directed by Engr-in-Charge.

All as per item No 19 above here-in-before but of size 15 mm bore, complete all as specified and as directed by Engr-in-Charge.

Taking out sluice valves 150mm dia refacing, regrinding and refixing the same complete all as specified and directed.

Taking out sluice valves 100mm dia refacing, regrinding and refixing the same complete all as specified and directed.

Taking out sluice valves 80mm dia refacing, regrinding and refixing the same complete all as specified and directed.

Taking down unserviceable sluice valve/NRV/foot valve and their fitments like gasket , bolt/nuts of size upto 300 mm bore without damaging the valve chamber and pipe line complete all as specified and as directed by Engr-in-Charge.

Supply and fixing sluice valve 300 mm bore, ISI marked, as per IS 14846: 2000 , with valid CMLNo. , Batch No. and Manufacturer Serial No., class PN 1.6 with brass spindle, brass check nut, with fiber board gasket, bolts, nuts and washers for fixing the valve in position, in valve pit chambers or location as directed and specified by Engr-in-charge. Make Uphadhya / Kirloskar/ Leader

All as per item No 28 above here-in-before but of size 200 mm bore, complete all as specified and as directed by Engr-in-Charge.

All as per item No 28 above here-in-before but of size 150 mm bore, complete all as specified and as directed by Engr-in-Charge.

All as per item No 28 above here-in-before but of size 100 mm bore, complete all as specified and as directed by Engr-in-Charge.

All as per item No 28 above here-in-before but of size 80 mm bore, complete all as specified and as directed by Engr-in-Charge.

Supply and fixing Non rerturn sluice valve with brass spindle, gasket, bolts, nuts and washers in position of 150 mm bore in valve pit chambers or near to bore well complete all as specified and as directed by Engr-in-Charge.

Supply & fix MS column pipe 100 mm dia bore, heavy duty, 10 feet long each with flanges screwed and welded both ends complete with nuts , bolts , gasket etc for jointing pipe and lowering into bore well incl taking up/down old u/s any type complete all as specified and directed by Engr-In-charge.

Supply and fixing GI column pipe 50 mm dia bore, heavy class ,cut 10 feet long with long thread at both side including supply of heavy duty sockets on both end for jointing the pipes and lowering into bore well incl taking up/down old u/s complete all as specified and directed by Engr-In-charge.

Supply and fix only PVC coated steel wire rope 10mm dia with U clamps of suitable size securing the submersible pump motor and taking out old unserviceable complete all as specified and as directed by Engr-in-Charge.

Supply and fix only PVC insulated & sheathed Submersible flate cable 6 Sqmm x 3 core copper conductor 1100 volt grade, ISI Marked, confirming to IS:694/2010, and taking out old U/S complete all as specified and as directed Engr-in-Charge.

(a) Lifting of defective submersible pump set of any make and capacity 10 HP from after providing lifting tools , chain pulley etc. as required carefully, by disconnecting/dismantling all electric connections, column pipes, steel ropes/chain and keeping them under safe custody for reuse with replacement of oil seal, sand guard, bolt gasket, cable packing ring, circlip, bearing bush upper & lower etc. complete all as specified and directed. all complete and (b) Lowering of repaired /overhauled/rewinded submersible pumping set of any make and capacity after proper coupling of pump and motor , fixing old/new chain with clamp, connecting/refixing existing/new column pipe lines with new rubber gasket 3 mm thick, nuts, bolts & washers carefully with the help of chain pulley etc. & carefully re-connecting all electric/water lines and testing on load to the entire satisfaction of Engineer-in-charge complete. (Note : Parts will be paid separately under appropiate item)

M & L for rewinding of burnt submersible pump set of any make and capacity up to 10 HP, 3 phase ,415 V, 50 Hz of any make with water proof insulated copper conductor of the same specification as per old one after dismantling / cutting out burnt windings from stator assembly, cleaning slots properly complete with insulating slots packing, sleeves, papers & reassembling stator and rotor after replacement of worn out spares/matching works preparation of motor external surface and water proof jointing for submersible cable 3 core, with replacement of oil seal, sand guard, bolt gasket, cable packing ring, circlip, bearing bush upper & lower etc. complete as specified and directed.

Supply & fix Rotor shaft with couplings and seals of submersible motor of capacity 10 HP (as per sample) and taking out old u/s item complete all as specified and directed. Make : As per OEM

Supply & fix thrust bearing of submersible motor of capacity of 10HP and taking out old u/s item complete all as specified and directed by Engr-in-Charge. Make : As per OEM

Supply & fix Impeller of submersible motor of capacity of 10HP and taking out old u/s item complete all as specified and directed by Engr-in-Charge. Make : As per OEM

Supply & fix diffuser of submersible motor of capacity of 10HP and taking out old u/s item complete all as specified and directed by Engr-in-Charge.

Supply & fix neck ring of submersible motor of capacity 10HP and taking out old u/s item complete all as specified and directed by Engr-in-Charge. Make : As per OEM

Supply & fix stud nut of submersible motor of capacity of 10HP and taking out old u/s item complete all as specified and directed by Engr-in-Charge. Make : As per OEM

(a) Lifting of defective submersible pump set of any make and capacity 15 HP from after providing lifting tools , chain pulley etc. as required carefully, by disconnecting/dismantling all electric connections, column pipes, steel ropes/chain and keeping them under safe custody for reuse with replacement of oil seal, sand guard, bolt gasket, cable packing ring, circlip, bearing bush upper & lower etc. complete all as specified and directed. all complete and (b) Lowering of repaired /overhauled/rewinded submersible pumping set of any make and capacity after proper coupling of pump and motor , fixing old/new chain with clamp, connecting/refixing existing/new column pipe lines with new rubber gasket 3 mm thick, nuts, bolts & washers carefully with the help of chain pulley etc. & carefully re-connecting all electric/water lines and testing on load to the entire satisfaction of Engineer-in-charge complete. (Note : Parts will be paid separately under appropiate item)

M & L for rewinding of burnt submersible pump set of any make and capacity up to 15 HP, 3 phase ,415 V, 50 Hz of any make with water proof insulated copper conductor of the same specification as per old one after dismantling / cutting out burnt windings from stator assembly, cleaning slots properly complete with insulating slots packing, sleeves, papers & reassembling stator and rotor after replacement of worn out spares/matching works after preparation of motor external surface and water proof jointing for submersible cable 3 core, with replacement of oil seal, sand guard, bolt gasket, cable packing ring, circlip, bearing bush upper & lower etc. complete as specified and directed.

Supply & fix Rotor shaft with couplings and seals of submersible motor of capacity 15 HP (as per sample) and taking out old u/s item complete all as specified and directed. Make : As per OEM

Supply & fix thrust bearing of submersible motor of capacity of 15HP and taking out old u/s item complete all as specified and directed by Engr-in-Charge. Make : As per OEM

Supply & fix Impeller of submersible motor of capacity of 15HP and taking out old u/s item complete all as specified and directed by Engr-in-Charge. Make : As per OEM

Supply & fix diffuser of submersible motor of capacity of 15HP and taking out old u/s item complete all as specified and directed by Engr-in-Charge.

Supply & fix neck ring of submersible motor of capacity 15HP and taking out old u/s item complete all as specified and directed by Engr-in-Charge. Make : As per OEM

Supply & fix stud nut of submersible motor of capacity of 15HP and taking out old u/s item complete all as specified and directed by Engr-in-Charge. Make : As per OEM

(a) Lifting of defective submersible pump set of any make and capacity 20 HP from after providing lifting tools , chain pulley etc. as required carefully, by disconnecting/dismantling all electric connections, column pipes, steel ropes/chain and keeping them under safe custody for reuse with replacement of oil seal, sand guard, bolt gasket, cable packing ring, circlip, bearing bush upper & lower etc. complete all as specified and directed. all complete and (b) Lowering of repaired /overhauled/rewinded submersible pumping set of any make and capacity after proper coupling of pump and motor , fixing old/new chain with clamp, connecting/refixing existing/new column pipe lines with new rubber gasket 3 mm thick, nuts, bolts & washers carefully with the help of chain pulley etc. & carefully re-connecting all electric/water lines and testing on load to the entire satisfaction of Engineer-in-charge complete. (Note : Parts will be paid separately under appropiate item)

M & L for rewinding of burnt submersible pump set of any make and capacity up to 20 HP, 3 phase ,415 V, 50 Hz of any make with water proof insulated copper conductor of the same specification as per old one after dismantling / cutting out burnt windings from stator assembly, cleaning slots properly complete with insulating slots packing, sleeves, papers & reassembling stator and rotor after replacement of worn out spares/matching works after preparation of motor external surface and water proof jointing for submersible cable 3 core, with replacement of oil seal, sand guard, bolt gasket, cable packing ring, circlip, bearing bush upper & lower etc. complete as specified and directed.

Supply & fix Rotor shaft with couplings and seals of submersible motor of capacity 20 HP (as per sample) and taking out old u/s item complete all as specified and directed.

Supply & fix thrust bearing of submersible motor of capacity of 20HP and taking out old u/s item complete all as specified and directed by Engr-in-Charge. Make : As per OEM

Supply & fix Impeller of submersible motor of capacity of 20HP and taking out old u/s item complete all as specified and directed by Engr-in-Charge. Make : As per OEM

Supply & fix diffuser of submersible motor of capacity of 20HP and taking out old u/s item complete all as specified and directed by Engr-in-Charge.

Supply & fix neck ring of submersible motor of capacity 20HP and taking out old u/s item complete all as specified and directed by Engr-in-Charge. Make : As per sample

Supply & fix stud nut of submersible motor of capacity of 20HP and taking out old u/s item complete all as specified and directed by Engr-in-Charge. Make : As per OEM

M&L for dismantling/disconnecting of Openwell submersible/ Monoblock Centrifugal pumpset with electric driven capacity 7.5 HP, 3- phase, 415 volts, 50 Hz from suction and delivery pipe and removing from existing position and repair/rewinding and replacement of sleeves & core packing, bushing complete and refixing on same position incl connecting testing all as specified and directed by Engr-in-Charge.

M&L for dismantling/disconnecting of Openwell submersible/ Monoblock Centrifugal pumpset with electric driven capacity 5 HP, 3- phase, 415 volts, 50 Hz from suction and delivery pipe and removing from existing position and repair/rewinding and replacement of sleeves & core packing, bushing complete and refixing on same position incl connecting testing all as specified and directed by Engr-in-Charge.

M&L for dismantling/disconnecting of Openwell submersible/ Monoblock pumpset with electric driven capacity 2 HP, 1- phase, 230 volts, 50 Hz from suction and delivery pipe and removing from existing position and repair/rewinding, bushing complete and refixing on same position incl connecting testing all as specified and directed by Engr-in-Charge.

M&L for dismantling/disconnecting of Openwell submersible/ Monoblock pumpset with electric driven capacity 1 HP, 1 phase, 230 volts, 50 Hz from suction and delivery pipe and removing from existing position and repair/rewinding, bushing complete and refixing on same position incl connecting testing all as specified and directed by Engr-in-Charge.

S & F MCCB 125 Amps current capacity Adjustable four pole and breaking capacity 36KA at 415V on existing LT panel including taking down old unserviceable MCCB complete all as specified and as directed.

M&L for PCC (1:4:8) type D2 using 40 mm graded stone aggregate as in motor foundation, filling and mass concrete including demolation of concrete of any description complete all as specified and directed by Engr-in-Charge.

M&L for rendering 10 mm thick on stone or block masonry wall with cement morter 1: 4 finish even & smooth without using extra cement including taking down the old plastered surface complete all as specified and directed by Engr-in-Charge.

Material and labour for run lead joints for connecting of the CI pipes of 200 mm dia of pipe including jointing materials and including burning out lead joints complete all as specified and directed.

Material and labour for run lead joints for connecting of the CI pipes of 150 mm dia of pipe including jointing materials and including burning out lead joints complete all as specified and directed.

Material and labour for run lead joints for connecting of the CI pipes of 100 mm dia of pipe including jointing materials and including burning out lead joints complete all as specified and directed.

Material and labour for run lead joints for connecting of the CI pipes of 80 mm dia of pipe including jointing materials and including burning out lead joints complete all as specified and directed.

M&L for framed work for valve pit chamber cover made of Mild steel (MS) equal angle and MS sheet 2.8 mm thick including welding , cutting ,hinges , locking arrangments , painting including dismantling wrought iron or mild steel work of any description provided for valve pit chamber and for angle iron ladder of tank complete with and including two coat synthethic enamel paint high glossy finish, of Make Asian Apcolite rust shield , Anti rust shield PU enamel over a coat of primer complete all as specified and directed

M&L for repair of mechanical water level indicator fixed of RCC overhead tank of height 18/25 mtr including replacement of unserviceable GI rope, level indicator, brass/ steel float, pulley, greasing the moving parts etc and any other material required at site to make the water level indicator functional complete all as specified and directed by Eng in Charge Note : (i) Spare parts of indicator like pulley, float , GI wire to be paid seperately as mentoned below here in after relevant items of BOQ. (ii) All T&P required at site for making the water level indicator functional and safety arrangement of his technician deployed for the Job shall be contractor responsibility with out any extra cost. (iii) Contractor shall be responsible to make the level indicator functional and if the rope slips from pulley and indicator become unfunctional during currency of contract, the contractor shall re do the work without any extra cost.

Supply and fix GI wire rope of 3 mm dia as per existing specification for water level indicator complete all as specified and directed.

Supply and fix Pully as per existing specification and size complete all as specified and directed.

Supply and Stainless steel float as per existing speciifcation and size suitable for water level indicator of water tank of capacity 0.60 LG complete all as specified and directed.

Supply and fix short piece MS pipe heavy duty, min thickness 6 mm, of min length 1.0 mtr, 100 mm dia having one end welded and screwed with MS flange having 4 or 8 hole and grove for passing of submersible cable and wire rope and other side with thread end having 8 pitch incl taking out ols unsv complete all as specified and directed

Supply and fix short piece MS pipe heavy duty, min thickness 6 mm, of min length 1.0 mtr, 100 mm dia having one end welded and screwed with MS flange having 4 or 8 hole and grove for passing of submersible cable and wire ropeand other side with thread end having 11 pitchincl taking out ols unsv complete all as specified and directed

M & L for brick work with sub class ‘B’ bricks, straight or curved on plan to exceeding 6m mean radius, built in 1:4 cement mortar including demolation of brick work of any description complete all as specified and directed by Engr-in-Charge.

Supply, fabrication, installation, testing and commisioning of LT 3 Phase 4 wire 450 Volts system, factory made water and vermin proof protection floor mounted cubical type LT Panel fabricated from 3.15mm thick CRCA sheet for outer shell & 2.0 mm thick for inner shell with angle iron 50x50x6 mm double door front and back openable type, double door system, hinged opening, rubber lining locking arrangement with anticorrosive paint and epoxy powder coated with pure polyster siemens grey structure, protection class IP-54 fully compartment design with 4 nos of busbar made of copper of ETP grade suitable for 200 Amp (size of copper strip should not be less than 25x6mm for each phase and neutral) pre wired with suitable size of copper strip /copper wire with colour code for connecting outgoing MCCB/MCB including suitable Al earth strip confirming to IS with danger notice plate, cable gland, cable connection with proper lugs, PCC foundation for fixing LT panel with PCC 1:3:6 type C1 using 20mm grade stone aggregate as in padding on top and grouting bolts etc for panel. Note : (i) Cost of earth work and PCC are deemed to be inclusive in this item (ii) the schematic diag of LT pannels shall be approved by GE before procurement.

M&L for Earthing complete with galvanised steel earth plate electrode 600x600x6.0 mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below the ground level) with top edge of the plate not less than 1.5 mtrs below normal ground level, connected to galvanised earth strip 32 x 6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or of steel all as shown in electrical plate No 3 of SSR part-I 2009 connected to pole/LT Panel all as specified and testing on completion including. Necessary excavation, earthwork, PCC works and CI earth pit cover with watering pipe 20mm dia GI pipe medium grade, funnel with wire mesh and lugs and GI pipe 40 mm dia of light grade, for protection of earth strip complete all as specified and directed. Note: Excavation/PCC/Earth work/Charcoal/ Salt shall be deemed to be include in this unit rate.

Material and labour for fixing of Ductile Iron special fittings(Bends any type, radius an angle Tapers any type,straight, bend, increasing, decreasing or double socket etc. Tee pieces single branch, `Y' junction, double branch, cross) all socket and spigot collars type, caps and plugs up to 200 mm dia as per site requirement, complete all as specified and as directed by Engr-in-Charge.

Material and labour for fixing of Ductile Iron special fittings (Bends Tapers Tee pieces (single & double branch) any type and angle /radius and straight connecting pieces) but all ends flanged upto bore 200mm dia complete all as specified and as directed by Engr-in-Charge.

Supply and fix of rubber sheet of min 3 mm thickness for use in jointing sulice valves with flange etc complete all as specified and directed by Eng in charge.

Supply only MS nut bolt and washer of size as specified complete all as specified and directed by Eng in charge.

Supply only U clamp heavy duty for steel wire rope clamping all as specified by EIC.

Supply only Bib taps, PVC of size 15 mm dia, ISI marked, complete all as directed . Make-Prayag Cat No 121-0

Testing of water sample from PHE Kharagpur Division, sample collected (fresh water from borewell) from all serviceable borewell (14 Nos), swimming pool on various parameter (PH value, TDS,Turbidity, Total Hardness, Iron, Magenese, Total Coliform bacteria, E coil thermotolerant). Testing of sample done only after the direction of Engr-in-Charge.

Supply & Fix fully automatic star delta Submersible pump starter in sheet steel enclouser suitable for 20 HP pump set , 3 phase , 415 volt , 50 Hz , including making all electrical connection to run the pump and taking out old unserviceable complete all as specified and directed by Engr-In-Charge. Make:- ABB Cat Part No-SDA-20** or equivalent in L&T/BCH/C&S/Havells/Legrand/HPL

Supply & Fix fully automatic star delta Submersible pump starter in sheet steel enclouser suitable for 10 HP pump set , 3 phase , 415 volt , 50 Hz , including making all electrical connection to run the pump and taking out old unserviceable complete all as specified and directed by Engr-In-Charge. Make:- ABB Cat Part No-SDA-12.5** or equivalent in L&T/BCH/C&S/Havells/Legrand/HPL

Supply & Fix DOL Submersible pump starter in sheet steel enclouser suitable for 5 HP pump set , 1 phase , 240 volt , 50 Hz , including making all electrical connection to run the pump and taking out old unserviceable complete all as specified and directed by Engr-In-Charge. Make:- ABB Cat Part No-MA-5.00** or equivalent in L&T/BCH/C&S/Havells/Legrand/HPL

Supply & Fix DOL Submersible pump starter in sheet steel enclouser suitable for 2 HP pump set , 1 phase , 240 volt , 50 Hz , including making all electrical connection to run the pump and taking out old unserviceable complete all as specified and directed by Engr-In-Charge. . Make:- ABB Cat Part No-MA-2.00** or equivalent in L&T/BCH/C&S

Supply & Fix DOL Submersible pump starter in sheet steel enclouser suitable for 1 HP pump set , 1 phase , 240 volt , 50 Hz , including making all electrical connection to run the pump and taking out old unserviceable complete all as specified and directed by Engr-In-Charge.. Make:- ABB Cat Part No-MA-1.00** or equivalent inL&T/BCH/C&S/Havells/Legrand/HPL

Supply only Calcium hypochlorite (65-70%) based granular disinfectant for water treatment and packed in 45 kg plastic drum. Make as approved by GE. Note :- 1. Approval of chemical (calcium hypochlorite) shall be given after verification of test certificates and their chemical analysis , strength in terms of quantity of chlorine content. 2. The brand/make of chlorination chemical must be certified by Govt. Laboratory and confirming compliance of specification , suitable for drinking water.

S& F in replacement dosing pump roller assembly suitable for existing dosing pump complete all as specified and directed by EIC . Make of roller assembly :- Declibac / Ramco or equivalent as approved by GE

S& F in replacement dosing pump tube suitable for existing dosing pump complete all as specified and directed by EIC . Make of Pump Tube :- Declibac / Ramco or equivalent as approved by GE

S& F in replacement dosing pump weighted suction line strainer suitable for existing dosing pump complete all as specified and directed by EIC . Make of Injection check valve :- Declibac / Ramco or equivalent as approved by GE

S& F in replacement dosing pump Injection check valve suitable for existing dosing pump complete all as specified and directed by EIC .

Neha Enterprise (BID ID -3318606)

SENCO (BID ID -3318200)

Guru Charan Mahata (BID ID -3317469)