REPAIR AND MAINT OF DISTRIBUTION PIPE LINE, DIFFERENT TYPE OF PUMP SETS, GATE VALVE BOREWELLS AND ALLIED WORKS AT AF STN KALAIKUNDA AND DDK RANGE UNDER GE AIR FORCE KALAIKUNDA

Amount

Excavating in trenches , n.exc 1.5 m wide and n.exc 1.5 m depth for foundation etc or for shafts, wells, cesspits ,manhole pier hole etc n.exc 10 sqm on plan and n.exc 1.5m in depth and getting out in any kind of soil Note : Manual excavation to be done. During excavation if any damage occured to existing cable any type/ water pipe line, it will be contractor responsibilty to get it repair and make functional by providing jointing kit etc without any extra cost. Contractor has to repair it within 24 hrs so that essential service can not be effected due to such damage.If contractor fails to repair it within 24 hrs penalty @ Rs 500/- will be charged to contractor. In this GE decision will be final, conclusive and binding.

Taking up/down old unserviceable any pipes from trenches/wall/floor etc for repair including cleaning with all fittings of 150mm 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 2.00 here-in-before but of size 100 mm bore.

All as per item No 2.00 here-in-before but of size 80 mm bore.

All as per item No 2.00 here-in-before but of size 50 mm bore.

All as per item No 2.00 here-in-before but of size 40 mm bore.

All as per item No 2.00 here-in-before but of size 25 mm bore.

All as per item No 2.00 here-in-before but of size 20 mm bore.

Material and labour for laying of galvanised steel (Gl) tubing 150 mm bore, medium grade, ISI marked, conforming to IS 1239 (Part-1): 2004 with screwed socket joints, includings with all tube fillings such as bends, elbows, tees, short pieces, connectors, backnuts, diminishing pieces, caps, plugs and unions, etc. conforming to IS 1239 (Part-2): 2011 as required at site and also for cutting, screwing and waste and for making forged bends on piping as required inserting connectors, where required or directed. laid in trenches incl connecting with existing lines all as directed by Engr-in-charge. Note:(i) Union of long screwed have to be provided at starting / end point for jointing of pipe line (ii) Contractor has to submit the test certificate and purchase voucher of pipes before claiming payment.

All as per item No 9.00 here-in-before but of size 100 mm bore.

All as per item No 9.00 here-in-before but of size 80 mm bore.

All as per item No 9.00 here-in-before but of size 50 mm bore.

All as per item No 9.00 here-in-before but of size 40 mm bore.

All as per item No 9.00 here-in-before but of size 25 mm bore.

All as per item No 9.00 here-in-before but of size 20 mm bore.

M&L for refixing existing old GI tubing of size 150mm bore obtain from item No.2.00 here in before, in new or existing position, after cleaning external and internal, and providing with and including all new fittings such as bends, elbows, tees, short pieces, connectors, backnuts, diminishing pieces, caps, plugs and unions, etc. conforming to IS 1239 (Part-2): 2011, and also for cutting, screwing and waste and for making forged bends on piping as required inserting connectors, where required or directed. laid in trenches incl connecting with existing lines all as directed by Engr-in-charge. Note:(i) Union of long screwed have to be provided at starting / end point for jointing of pipe line .

All as per item No 16.00 here-in-before but of size 100 mm bore, obtain from item No. 3.00 here in before.

All as per item No 16.00 here-in-before but of size 80 mm bore, obtain from item No. 4.00 here in before.

All as per item No 16.00 here-in-before but of size 50 mm bore, obtain from item No. 5.00 here in before.

All as per item No 16.00 here-in-before but of size 40 mm bore, obtain from item No. 6.00 here in before.

All as per item No 16.00 here-in-before but of size 25 mm bore, obtain from item No. 7.00 here in before.

All as per item No 16.00 here-in-before but of size 20 mm bore, obtain from item No. 8.00 here in before.

Returning, filling in, of soil including spreading leveling, watering and well ramming in layers not exceeding 25 cm complete all as specified and directed .

Removing excavated material to a distance n.exc 50M and deposited/ spreaded where directed at a level n. exc 1.5 M above the starting point complete all as specified and as directed .

Supply and fixing of GM globe/gate valve suitable for 50 mm bore pipe 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 of long screwed have to be provided before fixing of gate valve.

All as per item No 25.00 here-in-before but suitable for 40 mm bore pipe.

All as per item No 25.00 here-in-before but suitable for 25 mm bore pipe.

All as per item No 25.00 here-in-before but suitable for 20 mm bore pipe.

All as per item No 25.00 here-in-before but suitable for 15 mm bore pipe.

M&L for cement concrete ( 1:4:8) type D-2 using 40mm graded crushed stone aggregate as in foundation, filling and mass concrete complete all as specified

Taking down cement plaster from brick or concrete surfaces of any description including racking out joints, hacking for key, scrubbing down with water etc and Rendering 10mm thick in cement mortar 1:4 on brick work or concrete surfaces finished even and smooth without using extra cement complete all as specified and as directed. complete all as directed.

Taking out old lead from joint of pipe line and Material and labour in repair run lead joints for connecting of the CI pipes of 300 mm dia of pipe complete all as specified and directed.

All as per item No 32.00 here-in-before but for 200 mm dia of pipe .

All as per item No 32.00 here-in-before but for 150 mm dia of pipe .

All as per item No 32.00 here-in-before but for 100 mm dia of pipe .

All as per item No 32.00 here-in-before but for 80 mm dia of pipe .

Taking down unserviceable sluice valve/NRV/foot valve and their fitments like gasket , bolt/nuts of size upto 150 mm bore without damaging the valve chamber and pipe line complete all as specified and directed by Engineer-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. Note : Contractor has to submit the test certificate and Purchase Voucher of valves before claiming the payment..

All as per item No 38.00 here-in-before but of size 200 mm bore of pipe .

All as per item No 38.00 here-in-before but of size 150 mm bore of pipe .

All as per item No 38.00 here-in-before but of size 100 mm bore of pipe .

All as per item No 38.00 here-in-before but of size 80 mm bore of pipe .

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.

Material and labour for road cutting of WBM/PCC path/road and passing the pipe line below and making the disturbed surface as per existing pattern all as directed and specified.

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.

Lifting of defective submersible pump set of any make and capacity of 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 after repairing of pumpset complete with replacement of oil seal, sand guard, bolt gasket, cable packing ring, circlip, bearing bush upper & lower etc. preparation of pump external surface complete all as specified and directed 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 respective item as supply only)

All as per item No 49.00 here-in-before but of capacity 15 HP complete all as specified and as directed by Engr-in-Charge.

All as per item No 49.00 here-in-before but of capacity 20 HP complete all as specified and as directed by Engr-in-Charge.

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 and including 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 as per Original Equipment Manufacturer's (OEMs) reccommendations through any Certified Agencies as approved by GE including painting with two coats of synthetic enamel paint over a coat of red oxide primer 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.

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 and including 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 as per Original Equipment Manufacturer's (OEMs) reccommendations through any Certified Agencies as approved by GE including painting with two coats of synthetic enamel paint over a coat of red oxide primer 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.

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 and including 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 as per Original Equipment Manufacturer's (OEMs) reccommendations through any certified Agencies as approved by GE including painting with two coats of synthetic enamel paint over a coat of red oxide primer 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 only Rotor shaft with couplings and seals of submersible motor of capacity 10 HP Make : As per sample

Supply only thrust bearing of submersible motor of capacity of 10HP a Make : As per sample

Supply only Impeller of submersible motor of capacity of 10HP Make : As per sample

Supply only diffuser of submersible motor of capacity of 10HP

Supply only neck ring of submersible motor of capacity 10HP Make : As per sample

Supply only stud nut of submersible motor of capacity of 10HP Make : As per sample

Supply only Rotor shaft with couplings and seals of submersible motor of capacity 15 HP (as per sample)

Supply only thrust bearing of submersible motor of capacity of 15HP Make : As per sample

Supply only Impeller of submersible motor of capacity of 15HP Make : As per sample

Supply only diffuser of submersible motor of capacity of 15HP

Supply only neck ring of submersible motor of capacity 15HP Make : As per sample

Supply only stud nut of submersible motor of capacity of 15HP Make : As per sample

Supply only Rotor shaft with couplings and seals of submersible motor of capacity 20 HP (as per sample)

Supply only thrust bearing of submersible motor of capacity of 20HP Make : As per sample

Supply only Impeller of submersible motor of capacity of 20HP

Supply only diffuser of submersible motor of capacity of 20HP

Supply only neck ring of submersible motor of capacity 20HP Make : As per sample

Supply only stud nut of submersible motor of capacity of 20HP Make : As per sample Note : BOQ Srl No 55.00 to 72.00 to be measured and paid when only to be incorporated against BOQ Srl No 49.00 to 54.00

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 3 HP, 3- phase, 415 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 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, 3- 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 four pole and breaking capacity 36KA at 415V on existing LT panel incl taking down old unserviceable MCCB complete all as specified and as 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 measured and paid seperately under BOQ Srl Inem No 81.00 to 84.00 here in after as supply only (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 only GI wire rope of 3 mm dia as per existing specification for water level indicator complete all as specified and directed.

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

Supply only brass float as per existing speciifcation and size suitable for water level indicator of water tank of 1.30 LG / 1.10 LG complete all as specified and directed.

Supply only brass 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 fly ash 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,designing ,install, testing & commission 3 phase and neutral, 415 volts outdoor type, CPRI type tested having certification of IEC-61439 , factory made , dust and vermin proof, cubical type LT panel of size 1.00m x 0.80 x 0.75m, with canopy fabricated from 3.00 mm thick CRCA sheet for outer shell and 2 mm thick for non load bearing with angle iron frame of 50 x 50 x 6 mm, double door, front and back openable type, double door system, hinged opening, rubber lining, locking arrangement, with anticorrosive coating and finally epoxy polyester power coating with pure polyster Siemens grey structural RAL-7032 shade, protection class IP-66 fully compartmentalize design with 4 Nos of bus bar rated 200 Amps made of copper ETP grade pre-wired with suitable size of copper strip/copper wire with colour code for connecting out going MCCB/MCB's, including suitable aluminium earth strips conforming to IS with danger notice plate, necessary cable glands, cable connection with proper lugs, making electrical connection and circuit wiring for street light auto ON/OFF control timer by using desired electrical parameters PCC foundation and pedestal for fixing pillar feeder box/LT Panel with PCC 1:3:6, 15 cm thick in foundation, brick (Fly ash) / PCC block work in CM 1:6, rendering 1:6 on exposed surface and 100 mm thick PCC 1:3:6 type C1 using 20 mm graded stone aggregate as in padding on top and grounting bolts etc for panel. The platform shall be of 450 mm height above ground level all as specified with supply and fixing the following accessories including taking out the existing one :

Material and labour for earthing complete with Galvanised steel earth plate electrode 600x600x6 mm mm buried directly in ground (Earth pit not less than 2.25m below ground level) with top edge of the plate not less than 1.5m below normal ground level, connected to GI strip of size 32x6 mm as earth lead by means of bolt, nuts, check nuts and washers of galvanised iron or steel, upto 7.5m length, earth strip protected by and including 40 mm dia GI pipe (light grade) and connected to main test point or body of pole/pannel or lightening arrester of main controlling switch as directed including concrete pit in PCC (1:3:6) type C1 , Precast RCC (1:2:4) Type B1 cover slab of size 54x54x5 cm reinforced with 8 mm dia TMT bars @ 100 mm C/C both ways with one handle for lifting made out of 10 mm dia TMT bar embedded in precast cover slab, funnel, wire mesh, 20 mm bore GI Pipe (Medium Grade) for watering, Charcoal and salt in alternate layers of 15 cm (Compacted Thickness) around the earth electrode including necessary excavation, earth work in any type of soil and disposal of spoil to a distance n.exc 50 m and necessary testing complete all as shown in Electrical Plate No 3 of SSR Part-I. NOTE : 1. The unit rare includes for protectionh GI pipe of 40mm and watering pipe of 20mm bore including excavation for earth pit in any type of soil/disintegrate rock. 2. Contractor has to bring agriculture soil from outside of defence land and fill in earth pit to acheive desired result as the soil resisitivity is very high. 3. The cost of GI strip of 4mm including protection pipe, from top of earth plate upto 7.5 meter above/below ground level is deemed to be included in the unit rate. 4. All the joints in GI wire and connectgion with earth plate to be welded through brazing and in addition by providing double brass nut bolt and washer. 5.Costing of welding and nut bolts are deemed to be included in the 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 as per site requirement, complete all as specified and as directed by Engr-in-Charge.

Material and labour for fixing of Cast 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 as per site requirement, 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 and fixing MS nut bolt and washer of size as specified inlc taking out old/damaged complete all as specified and directed by Eng in charge.

Supply and fixing U clamp heavy duty for steel wire rope clamping incl taking down all as specified by EIC.

Supply and fixing Bib taps, PVC of size 15 mm dia, ISI marked, incl taking down complete all as directed .

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.

S& F in replacement dosing pump roller assembly suitable for existing dosing pump complete all as specified and directed by EIC Note :- (i) Contractor shall bring the new roller assembly as per existing model and make ,size for replacement of u/s.. (ii) Before procurement of Roller assembly for existing dosing pump contractor shall check the suitibility of model and make ,size of new to match with existing u/s.

S& F in replacement dosing pump tube suitable for existing dosing pump complete all as specified and directed by EIC . Note :- (i) Contractor shall bring the new pump tube as per existing model and make ,size for replacement of u/s.. (ii) Before procurement of Pump tube for existing dosing pump contractor shall check the suitibility of model and make ,size of new to match with existing u/s.

S& F in replacement dosing pump weighted suction line strainer suitable for existing dosing pump complete all as specified and directed by EIC . Note :- (i) Contractor shall bring the new weighted suction line strainer as per existing model and make ,size for replacement of u/s.. (ii) Before procurement of weighted suction line strainer for existing dosing pump contractor shall check the suitibility of model and make ,size of new to match with existing u/s.

S& F in replacement dosing pump Injection check valve suitable for existing dosing pump complete all as specified and directed by EIC . Note :- (i) Contractor shall bring the new Injection check valve as per existing model and make ,size for replacement of u/s.(ii) Before procurement of Injection check valve for existing dosing pump contractor shall check the suitibility of model and make ,size of new to match with existing u/s.

S&F MCB, Triple pole & neutral 63 amps, 415 volts, ‘C’ curve, 10KA complete incl taking down old unsv all as specified and as directed.

S&F MCB, Triple pole 63 amps, 415 volts, ‘C’ curve, 10KA complete incl taking down old unsv all as specified and as directed.

SUDHA ENTERPRISES (BID ID -3108087)

Neha Enterprise (BID ID -3108514)

TRINITY ECO TECH SOLUTIONS, PROP-ASWINI KUMAR DEHURI (BID ID -3107173)