REPAIR AND MAINTENANCE OF DG SETS, LT CABLES, FEEDER PILLARS, MCCBS, DBS AND CERTAIN OTHER CONNECTED WORKS AT 799 SU AF STN KURSEONG UNDER GE AF BAGDOGRA

Amount

Top overhaulling of DG set of capacity 125 KVA (cumins) and commissioning and testing after repair/replacement of the following wornout parts/items including De-canning of used engine oil from the DG Set by opening drain out plug/nuts, cleaning of engine oil sump with K'oil complete and Dismantling of radiator assembly 125 KVA DG Set by unscrewing nut & bolts & disconnecting radiator hose pipe, radiator cap, chemically cleaning internally radiator with cleaning agent,brazing/welding of leakage/cracks if necessary for proper functioning, removing all deposited material & removing out all dust particles from out side and refixing the same on its original location connecting of hose pipe, including oiling/greasing of exhaust fan bearing etc all as directed for the following DG Sets complete to the entire satisfaction of Engr-in-Charge.Make-cummins/greaves Note:-Spare parts will be measured and paid separately.Labour charges for replacement of spares is deemed to be inclusive in quoted rate.

Radiator Rubber hose pipes with fixing clamps suitable for 125 and KVA DG set.

Radiator Rubber hose pipes with fixing clamps suitable for 82.5, 75, 62.5 KVA DG set.

Fuel filters (as per sample of existing make and size ) suitable for 125 KVA DG set.

Fuel filters (as per sample of existing make and size ) suitable for 82.5 and 75 KVA DG set.

Fuel filters (as per sample of existing make and size ) suitable for 62.5 KVA DG set.

Lub oil filter with O ring (as per sample of existing make and size ) suitable for 125 and KVA DG set.

Lub oil filter with O ring (as per sample of existing make and size ) suitable for 82.5 and 75 KVA DG set.

Lub oil filter with O ring (as per sample of existing make and size ) suitable for 62.5 KVA DG set.

Air filter (outer and inner) suitable for 125 KVA DG set.

Air filter (outer and inner) suitable for 82.5 and 75 KVA DG set.

Air filter (outer and inner) suitable for 62.5 KVA

Fuel pipe duly covered with supper fine steel wire with coupling , nut and bolts suitable for 125 KVA DG set.

Fuel pipe duly covered with supper fine steel wire with coupling , nut and bolts suitable for 82.5, 75, 62.5 KVA DG set.

Fan belt (as per sample) suitable for 125 , 82.5, and 75 KVA DG set.

Fan belt (as per sample) suitable for 63 KVA DG set.

Float assy (as per sample) suitable for 125 DG set.

Float assy (as per sample) suitable for 82.5, 75, 62.5 KVA DG set

Fuel meter (as per sample) suitable for 10 to 200 KVA DG set.

Water temp meter (as per sample) suitable for 10 to 200 KVA DG set.

All as per item No 01.00 above but 82.5 KVA DG set

All as per item No 01.00 above but 75 KVA DG set

All as per item No 01.00 above but 62.5 KVA DG set

All as item No1.00 above, but DG Set 82.5/75 KVA Engine Capacity 117 BHP.

Piston

Piston pin

Piston ring

Connecting rod bearing

Valve cone inlet

Valve cone exhuast

Cylinder head gasket

All as item No 5.00 above, but DG Set 62.5 KVA Engine Capacity .

Piston

Piston pin

Piston ring

Connecting rod bearing

Valve cone inlet

Valve cone exhuast

Cylinder head gasket

M&L for repair/servicing and calibaration of fuel pump (FIP) and governor complete with injection assembly including replacement of necessary spare parts of 125 KVA engine complete all as specified and directed by Engineer-in-Charge. (Spares required will be measured under relavent items)

Supply only following spares for FIP & Governor of DG set capacity 62.5 to 75 KVA :- (a) Injector sleeve

Grooved nut

Injector element

Valve seat(inlet)

Valve seat (outlet)

Valve stream grill

Shapol gasket

Injector high pressure fuel pipe

Fuel pump valve holder

Supply only following spares for FIP & Governor of DG set capacity 63 KVA to 100

Injector sleeve

Grooved nut

Injector element

Valve seat(inlet)

Valve seat (outlet)

Valve stream grill

Shapol gasket

Injector high pressure fuel pipe

Fuel pump valve holder

Labour charge only for repairing of turbo chargers including re-conditioning after necessary replacement of spares/components complete all as specified and directed by Engineer-in-Charge (spares will be measured seperately under relevent items) cummins /greaves 125 KVA DG Sets

Core assembly

Labour charge for repairing of water pump assembly including re-conditioning after necessary replacement of spares/ components for 82.5 KVA Cummins/greaves DG Set(Spares required will be measured under relevent items)

Oil seal

Bearing

Gasket

All as item No 11.00 above but Engine capacity 75 KVA

Oil seal

Bearing

Gasket

All as item No 11.00 but Enginecapacity 62.5 KVA.

Oil seal

Bearing

Gasket

Labour charge only for repairing of Alternating chargers including re-conditioning after necessary replacement of spares/components complete all as specified and directed by Engineer-in-Charge (spares will be measured seperately under relavent item)

Armature

Slip ring assembly

Regulator

Rectifier

Stator assembly coil

Carbon brushes

Bearing

Bushes

Repair/servicing including re-winding of self starter 24 Volt including reconditioning and replacement of all necessary spares/components complete all as specified and directed

All as item No 15.00 above but 12 Volt

S&F self starter 24 Volts .

S&F self starter 12 Volts .

M&L for replacement of premixs coolant type JIS-K-2234-94 class 2.

Supply and fix in repair onload chage over switch AC-23 side handle in sheet enclosure 415 V 100 amps four pole including suitable lugs, nuts, bolts and washers all as specified and directed.

All as per ser item No. 20.00 above but 250 Amps

Supply and fix in repair Automatic/manual with inbuilt time delay open execution type 200 Amps Automatic Transfer switch (ATS) four pole, AC-33A, 50 Hz, 440 volt conforms to IEC:60947-1 all as specified and directed.

Labour charge only for repairing of AMF panel including repair of ON & OFF relay, display control, control assembly,relay card,motor mechanism,MCCB,Spreaders & phase barrier,MCB,power contactor, CT coil & replacement of internal wiring (Spares required will be measured and paid separately )

Supply only UV/OV relay VCT D2 din rail mounting variant with digital display , auto/manual reset ( timing and monitoring relay).

Supply only engine display control. As per existing at site.

Supply only control (PCC0301 Control Assembly)

Supply only OEN relay with base 14 pin 230 V AC with din rail mounting and LED indicator.

Supply only relay CARD (2 way channel)

Supply only C T 200/5 ,AC 230 V.

Supply only conductor AVT 10022, 100A.

Supply only MCCB, 4 Pole, 100 Amps, 415 Volts breaking 25 KA.

Supply only spreaders link & Phase barrier (set of 4) 4P 100/160/250A.

supply only air breack contactor 190 apps 4 pole

Supply only air breack contactor 315 apps 4 pole

S&F in replacement of Bty terminal and connected lead 1 mtr long.

M &L For preparation of surfaces for DG set painting by scrapping damaged paint and painting with two coats of synthetic enamelled paint as per colour coding complete all as specified and as directed by Engr in Charge.

M & L for DG Set enclosure door welding/fixing of any make or type including hinges, nuts, bolts/ revites etc all as per specified and directed. (One door is considered as one job)

Supply and fixing in repair battery 90 AH suitable for DG Seall as specified and directed.make Exide

Supply and fixing in replacement new copper coil of short circuit /over heated winding self starter/aletrnator of any make any capacity with matching gauge and turns of super enamelled copper winding wire complete with leathered paper, glass sleeves, varnishing, baking etc including all other connected accessories all as specified and directed by Engr-in-Charge.

Supply and fixing in repair of Indicator lamp of colour red, blue, yellow as per site requirment all as specified and directed.

Supply and fixing in repair of Solinoide switch, 12 V suitable for AMF Panel as per site requirment all as specified and directed.

Supply and fixing in repair of timer second/min multi function wit1 C/O contacth (Range 0.05 sec to 100 Hrs) 240 V suitable for AMF Panel as per site requirment all as specified and directed. .

Supply and fixing in repair of ON & OFF push switch with element suitable for AMF Panel as per site requirment all as specified and directed.

M & L for Earthing complete with coper plate electrode 60 cm X 60 cm X 3.15 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5 mtr below ground level connecting to the coper strip 25x3 mm, by means nut bolt, nuts, check nuts and washer of the GI Earth wire protected by provision of GI light grade pipe 40 mm incl provision of concrete pit in PCC (1:2:4) type B-1 using 20 mm graded stone aggregated with 40 mm thick cover with RCC (1:2:4) reinforced with XPM (weight not less than 4 Kg / Sqm) and frame of angle iron 25mm X 25 mm X 3mm with lugs 2 Nos and with 6 mm dia MS bar handle made to shape, GI light grade 20 mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling, taste point made out of phosphorus bronze with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning filling in and removal of surplus soil to a distance not exceeding than 50 mtr, all as per electric plate No 3 of SSR Part I 2009 and connection to earth test point all as specified incl testing on completion”.

Supply and fix MCCB 4P 160 amps capacity, rup capacity 36 KA at 415 volt 50 Hz AC supply including necessary modification in panel board if required to fix the MCCB complete with replacement of incoming and out going cable connection with lugs, aluminium conductor cable of proper size, nuts bolts all as directed.replacement of brunt lugs and wire/cable pieces etc as required at site.

All as per ser item No. 45.00 above but 250 amps capacity, 36 KA complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for taking out pipe line etc for repairs / laying cables etc and getting out in soft / loose soil complete all as specified and as directed by the Engineer - in - Charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick complete all as specified and as directed by the Engineer - in - Charge.

Removal of excavated material [soil] to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed by the Engineer - in - Charge.

Material and labour for clean dry sand in trenches/ducts for cushoning to cable complete all as specified.(Punned thickness shall be measured)

Supplying and laying Bricks; common burnt clay building bricks, sub-class ‘B’ designation 75 complete all as specified and as directed.

Refixing and laying old serviceable Bricks; common burnt clay building bricks, sub-class ‘B’ designation 75 complete all as specified and as directed by the Engineer - in - Charge.

Disconnecting & taking out cable LT 1100V grade any size complete all as specified.

M&L for 75 mm bore HDPE pipe PN 10 for cable protection with all fixing accessories such as 40 x3mm Clamps of suitable length, Nut bolts and washers and fixed complete to walls and ceilings or laid in floors complete all as specified and directed by Engr -in -Charge.

Supply, fixing and laying in trenches or fixing or passing through pipe, 1100 Volts grade heavy duty LT UG cable, 2 core 10 Sqmm, with XLPE insulated stranded Aluminium conductor served with an inner sheathing of PVC tape, Armoured with galvanised steel wire and overall sheathed including cable gland, lugs, jointing material etc, jointing, connecting , testing and commissioning all as specified and directed.

All as per Ser item No. 55.00 above but 4 Core 16 Sqmm

All as per Ser item No. 55.00 above but 4 Core 25 Sqmm

All as per Ser item No. 55.00 above but 3.5 Core 35 Sqmm

All as per Ser item No. 55.00 above but 3.5 Core 50 Sqmm

All as per Ser item No. 55.00 above but 3.5 Core 70 Sqmm

All as per Ser item No. 55.00 above but 3.5 Core 95 Sqmm

M&L for 80mm bore GI pipe light grade for cable protection ISI marked with all fittings and fixed complete to walls and ceilings or laid in floors including dismantling of pipe complete all as specified and directed by Engr -in -Charge.

Dismantling of old steel pole / struts any type and size including demolition of concrete, foundation, necessary excavation and earth work and transportation etc.

Supply and errect in true vertical steel tubular swaged pole complete with MS Box plate 6 mm thick of size 300 x 300 mm finial taper plug, cap, bolt, nuts washers & screws as specified type 410-SP-31 (9 mtr long) Made out of ERW MS tubing confirming to IS-2713 Part II including drilling holes of required size for fixing cross arms etc painting with two coat of aluminium paint over a coat of red oxide primer.

Demolition of PCC of any description above/below ground level exceeding 15cm complete all as specified and directed by Engr-in-Charge.

M&L for PCC 1:4:8 type D2 using 40mm graded stone aggregate for pole / struts foundation etc all as specified and directed.

M&L for PCC 1:2:4 type C1 using 20mm graded atone aggregate for coping including necessary form work and fair finishing of exposed surface of concrete all as specified and directed.

Taking Down danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with screws on LT panel boards of size 20x15 cm complete all as specified.

Supply and fix danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with screws on LT panel boards of size 20x15 cm complete all as specified.

M&L for repairs to LT panel boards of following sizes complete with replacement of rusted MS 3.15 mm sheet,angle frame 50x50x6 wherever necessary , Replacment of welding works to doors, replacement of unserviceable hinges and all drop bolt complete and painting with one coat of synthetic enamel paint of approved color internally and externally all as specified and as directed by Engineer-in-Charge (a) 1.5m x 1.00 m x 0.75m

All as per ser iterm No. 70.00 above but 1.00m x 0.75m x 0.50 mtr

All as per ser iterm No. 70.00 above but 0.75 x .50 m x 0.25m

Material and labour for preparation of surfaces for LT pole painting by scrapping damaged paint and painting with two coats of silver aluminium paint and writing pole No with black paint on yellow circuit all as directed by Engineer-in-Charge.

Taking Down/ Dismantling Unserviceable MCCBs of any type and any capacity from lugs, aluminium conductor cable of proper size all as Specified and directed by Engineer-in-Charge.

All as per Item No 74.00 above but 200 amps capacity, 36 KA complete all as specified and as directed by Engineer -in-Charge

All as per Item No 74.00 above but 400 amps capacity rup cap 36 KA at 415 volt complete all as specified and as directed by Engineer -in-Charge

Taking Down/ Dismantling Unserviceable Digital Ammeter and Voltmeter of any type and Capacity all as Specified and directed by Engineer-in-Charge.

Supply and fix Digital Voltmeter 0-500 volt, 4 modules, complete with necessary fixing all as specified and as directed by Engineer-in-Charge.

Supply and fix Digital ammeter 0-250 amps, 4 modules, with CT operated complete with necessary fixing all as specified and as directed by Engineer-in-Charge.

Taking Down/ Dismantling Indicator lamp of any Size and Type all as Specified and directed by Engineer-in-Charge.

M & L for pole Earthing complete with galvanized steel earth plate electrode 60 cm X 60 cm X 6.3 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5 mtr below ground level connecting to the GI wire 4.0 mm dia, by means nut bolt, nuts, check nuts and washer of the GI Earth wire protected by provision of GI light grade pipe 15 mm, GI light grade 20 mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling, taste point made out of phosphorus bronze with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning filling in and removal of surplus soil to a distance not exceeding than 50 mtr, all as per electric plate No 3 of SSR Part I 2009 and connection to earth test point all as specified incl testing on completion”.

Supply& FIX in repair two run of PVC Insulated PVC sheathed cable electric control cable (Heavy duity) with stranded copper conductor of size 2.5 Sqmm and one run of 1.5 Sqmm cable drawn into steel pole for connection or security/street light fitting from junction box all as directed and specified

Taking Down/ Dismantling Earthing Complete with Galvanized steel earth plate Electrode/copper plate electrode/chemical earthing of any Size with its accessories such as nuts,bolt, check nuts etc all as Specified and directed by Engineer-in-Charge.

M&L in repair for safe earthing electrode (SEE) designed with pipe technology with hot deep Zinc coated & Alloy coated (80 – 100) microns MS pipe size of outer pipe 76.3 mm dia and inner pipe 41.9 mm, 3 mtr long inside filled with crystalline conductive mixture (CCM) having non corrosive and conductive properties complete with two bag of Black filled compound (Electrodite) mixed with soil all around the earth pipe for smooth charge dissipation complete with bricks wall earth pit of size 450 x 450 mm with RCC pit cover.

S&F in repair LED Lights of 100 W light in aluminium PDC housing, 230V PF>0.95, toughtened glass cover with IP 66 protection with 5 KV inbuilt surge protection device all as specified.

M&L for brackets made out of 40mm bore GI pipe, medium grede, 1.5M long, bend to shape and including suitable MS clamps made out of 40 x 6mm flat iron, necessary bolts, nuts, washers etc complete and painting the bracket and clamps with 2 coats of synthetic enamel paint over a coat of red oxide Zinc chromate primer all as specified and directed.

NOTES :- 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum. 2. Unless otherwise specified the rates for PCC shall deemed to include the cost of formwork shuttering etc., required for complete and proper execution of the work. Refer Schedule A notes for details.

M/s Arun Chandra Sarkar & Sons

M/S IDEAL CONSTRUCTIONS

SHRI P P SHARMA

M/S MOHAN GHOSH

M/S SWAPAN KUNDU

SUNIL DAS AND CO

MESSERS D S ENTERPRISE