REPAIR AND MAINT OF DG SETS, VOLTAGE STABILIZER, CHANGE OVER SWITCHES AND VARIOUS ASSETS AT AF STATION NATHATOP UNDER GE (AF) UDHAMPUR

Amount

S&F L.T. lightning arresters for outdoor use, non-liner resistor type, horn gap and choking coil, maximum working pressure 1100 volts to be fixed on bldg of height 6 mts or above complete all as specified & directed

Supply, laying , jointing , commissioning and testing cable (armoured) XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured electric cable (heavy duty) with stranded aluminium conductors, 1100 volts grade of size 16 sqmm ,2 core laid on walls/floors or in air with saddles and gutties, complete all as specified and directed by Engr-in-Charge

S&F insulating MAT of size 2m x lm x 10 mm complete all as specified & directed

Earthing complete with copper earth plate electrode of size 60cmx60cmx3.15mm thick as earth electrode burried directly in ground (earth pit not less than 2.25 metre deep below ground level) with top edge of the earth plate not less than 1.5mtr below ground level using copper earth strip 20x3mm dia as earth continuity conductor connected to earth plate by means of copper thimbles, nuts, bolts, washers including joining of earth electrode and earth wire by means of welding, all as directed including providing earth wire protection pipe GI light grade 15mm dia from earth plate to main switch board/ panel, watering pipe 20mm dia with wire mesh and funnel at top, earth pit and pit cover made of MS sheet 2mm thick duly fixed to angle iron frame with hinges of appropriate size by welding and having locking arrangement, adequate quantity of charcoal dust and salt all around the earth plate, earth work in any type of soil, removing surplus excavated material all as required at site and as specified in EP No 3 of MES SSR Part-I (2009) directed by Engineer-in-Charge including testing on completion. Note :- (a) 1.5 cubic metre of soil shall be provided by the contractor from outside the MOD land for refilling the remaining portion of earth pit for increasing soil resistance without any extra cost of the Govt. (b) Earthing will be carried out in presence of users rep with their entire satisfaction. (c) Payment will be made after obtaining user signature.

Taking down old existing earthing plate of any type and size and Earthing complete with galvanised steel earth plate electrode of size 60cmx60cmx6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to galvanised earth lead wire 4.0mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No 3 connected to earthing test point all as specified or indicated including testing on completion Note :- (a) Earthing will be carried out in presence of users rep to their entire satisfaction. (b) Payment will be made after obtaining user singature.

S &F Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw complete all as specified & directed

S &F Air termination, single pointed, copper rod 12mm dia and 300mm long complete all as specified & directed

Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/ pipe or fixed to poles or any other indicated situation for loop earthing etc as required 2mm dia but 20x3mm copper strip

Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/ pipe or fixed to poles or any other indicated situation for loop earthing etc as required 2mm dia but 50x6mm copper strip

Supply and fill eartrh enhancement compound tested from NABL accredited laboratory, highly conductive non-corrosive in nature having low water solubility but highly hygroscopic, fully cimlaint to specifications given in IEC 62561-7-2018 all as directed Make : Truepower/ OBO Batternan/ nVent-ERICO

Supply and filling charcoal dust in alternate layers in earth pit all as specified and as directed

Supply and filling common salt in laternate layers in earth pit all as specified and as directed

Supply and filling magnesium sulphate in earth pit all as specified and as directed

S&F in replacement of any type of existing insulator and fixing of Porcelain insulator of size not less than 75 mm long and 30 mm thick for fixing earthing strips fixed with suitable screws , nuts , bolts and washers complete all as specified as directed.

S&F in replacement of Galvanised iron pipe light grade of size 40 mm bore dia with all fittings for protection of earthing conductor laid in trenches or fixed to walls with and including suitable size of flat iron clamps complete all as specifed and as directed.

S&F in replacement of Galvanised iron pipe light grade of size 20 mm bore dia with all fittings for protection of earthing conductor laid in trenches or fixed to walls with and including suitable size of flat iron clamps complete all as specifed and as directed.

DG Sets Repairs : Supply & fixing in replacement of only of the following spares / items for servicing of DG Sets of capacity 125KVA to 320 KVA capacity :-(125KVA-1Nos,160KVA-2Nos, 180KVA-2Nos, and 320 KVA-2 Nos=7 Sets)

(a) Fuel filter for 125KVA DG Sets ( Make fleet guard / kirloskar )

(b) Fuel filter for 320 KVA DG Sets ( Make : fleet guard / kirloskar )

(c) Fuel filter for 160 KVA DG Sets ( Make : fleet guard / kirloskar )

(d) Fuel filter for 180 KVA DG Sets ( Make : fleet guard / kirloskar )

(e) Lubrication/Oil filter for 320 KVA DG Set( Make fleet guard / kirloskar )

(f) Lubrication/Oil filter for 160 KVA DG Set( Make fleet guard / kirloskar )

(g) Lubrication/Oil filter for 180 KVA DG Set( Make fleet guard / kirloskar )

(h) Lubrication/Oil filter for 125 KVA DG Set( Make fleet guard / kirloskar )

(j) Air filter for 125 KVA DG set ( Make fleet guard / kirloskar )

(k) Air filter for 160 KVA DG set ( Make fleet guard / kirloskar )

(l) Air filter for 180 KVA DG set ( Make fleet guard / kirloskar )

(m) Air filter for 320 KVA DG set ( Make fleet guard / kirloskar )

(n) Centrifugal filter Cat Part No. F-602446000

M&L for repair /overhauling and calibration of FIP complete with replacement of worn out part such as copper washers, 'O' Rings etc including calibration for the following DG Sets:-

(a) 180 KVA DG Set of Make: Kirloskar

(b) 160 KVA DG Set of Make: Kirloskar

(c) 125 KVA DG Set of Make: Mahindra

(d) 320 KVA DG Set of Make : Cummins

Dismantling, opening and cleaning of complete radiator assembly of following DG Sets, checking of water leakage, including upper and bottom tank cleaning of slots including welding/brazing where required and making 100 % leak proof and washing with chemically anti corrosion /water solution by using jet pumping set and as well as cleaning manually by using steel wire brushes and removing all rust, silt /corrosive material and making good smooth functioning and upper & bottom tank gasket set, all rusted nut, bolt, washer, radiator caps etc complete all as specified and directed by Engineer-in-Charge

(a) 180 KVA DG Set of Make: Kirloskar

(b) 160 KVA DG Set of Make: Kirloskar

(c) 125 KVA DG Set of Make: Mahindra and Mahindra

(d) 320 KVA DG Set of Make : Cummins

M&L for complete servicing and overhauling of turbo charger along with replacement of kit complete for the following DG Sets:-

(a) 160 KVA DG Set of Make : Kirloskar

(b) 125 KVA DG Set of Make : Mahindra and Mahindra

Supply and fixing in replacement of flywheel gear ring, oil seal, crank ring of DG Set of capacity180/160 KVA complete all as specified and directed.

Dismantling the defective charging dynamo of 24 Volt DC, cleaning with cleaning agent, over hauling, lubricating and replacement of Armature assembly ,Bearings of any description, Field coil etc all as directed for following DG sets.

(a) 180 KVA DG Set of Make: Kirloskar

(b) 160 KVA DG Set of Make: Kirloskar

(c) 125 KVA DG Set of Make : Mahindra and Mahindra

(d) 320 KVA DG set of Make : Cummins

Disconnecting and dismantling the unserviceable self starter assembly by removing the all bolts and nuts and disconnecting from DG sets of capacity 160/180/125 KVA and 320 KVA , opening of self starter, overhauling of self starter, replacement of worn out bearing, bushes, field coil etc reconnecting, testing and commissioning complete all as specified and directed by Engr-in-Charge. Note :- 1 All new spare parts shall be measured and paid for separately as supply only under respective items 2. Similarly cost of Sundry items such as nuts, bolts, washers, copper washers etc shall be deemed to be included in qouted rate.

Supply & fixing in replacement of only of the following items for DG Set 180 KVA capacity :-

(a) Carbon brush plate assembly

(b) Field coil assembly

(c) Solonoid switch

Disconnecting & dismantling the alternator unit of 180/160 KVA DG SET (Make-KIRLOKAR) further separating armature from stator carefully cutting and taking out burnt winding of rotor, cleaning the slots and checking for defective stampings and replacing the same with the new stampings made out of silicon steel of same size and thickness duly applying the insulation and assembling the stampings inserting in position in the rotor including applying start insulation and complete re-winding the alternator for winding with super enameled copper inding of same gauge and same number of turns as per existing, including replacement of carbon brushes, tapping the winding and bringing out the coil connections for 3 phase, 415 volts, 50 Hz AC supply pre heating the winding proper insulation material, varnishing and drying the winding in over including transportation from site of work to workshop for repairing and back at site complete all as directed by Engr-in-Charge

Disconnecting & dismantling the alternator unit of 320 KVA DG SET (Make-KIRLOKAR) further separating armature from stator carefully cutting and taking out burnt winding of rotor, cleaning the slots and checking for defective stampings and replacing the same with the new stampings made out of silicon steel of same size and thickness duly applying the insulation and assembling the stampings inserting in position in the rotor including applying start insulation and complete re-winding the alternator for winding with super enameled copper inding of same gauge and same number of turns as per existing, including replacement of carbon brushes, tapping the winding and bringing out the coil connections for 3 phase, 415 volts, 50 Hz AC supply pre heating the winding proper insulation material, varnishing and drying the winding in over including transportation from site of work to workshop for repairing and back at site complete all as directed by Engr-in-Charge

M&L for Replacement of complete wiring of DG Set 320 KVA including wiring of Gauge display panel mounted on engine , panel must be functional with manual start and stop bottoms lubricant oil pressure meter, RPM meter ,temperature meter etc.Replacement of control wiring is included in the job and complete testing of DG Set by making all control parameters of DG Set functional. Note :- All new spare parts shall be measured and paid for separately as supply only under respective items of BOQ

Supply & fixing in replacement of only of the following items for DG Set 320 KVA capacity :-

(a) Lub Oil Pressure Gauge

(b) Oil Temperature Gauge

(c) Water Temperature Gauge

(d) Ammeter for Battery charging

(e) Start and Stop push Button

M&L for replacement of existing unserviceable batteries of 150 AH, 12 volts, all as specified and directed. Make: EXIDE /Amron/AMCO/Okaya/Sukam/Microtek

M&L for replacementof existing unserviceable batteries of 180 AH, 12 volts, all as specified and directed. Make: EXIDE /Amron/AMCO/Okaya/Sukam/Microtek

M&L for replacementof existing unserviceable batteries of 26 AH, 12 volts, for UPS all as specified and directed. Make: EXIDE /Amron/AMCO/Okaya/Sukam/Microtek

Draining out the old used engine oil / sump cleaning and refilling with new engine oil 15 W 40 CF4 Grade upto the required level complete all as specified. Make: Castrol/Valvo Line or equivalent as approved by GE.

Supply & fixing in replacement of battery lead heavy duty of copper conductor standard red for (positive) terminal and black for (negative) terminal with battery terminal of one end and battery lugs at other end complete all as specified. .

Supply & fixing in replacement of battery terminal clamps made up of brass heavy duty with nuts and bolts complete all as specified.

S&F in replacement of asbestos rope 10 to 15 mm dia to be fixed on the Engine exhaust manifold and exexhaus pipe of sizesincluding removing of existing unserviceable asbestos rope complete all as directed.

Taking down shutdown, disconnecting existing unserviceable transformer of capacity upto 50 to 100 KVA indoor/ outdoor type including loading unloading and transporting of transformer of above capacity to authorised workshop with suitable arrangement

Taking down shutdown, disconnecting existing unserviceable transformer of capacity upto 125 to 200 KVA indoor/ outdoor type including loading unloading and transporting of transformer of above capacity to authorised workshop with suitable arrangement

Taking down shutdown, disconnecting existing unserviceable transformer of capacity upto 250 to 630 KVA indoor /outdoor type including loading unloading and transporting of transformer of above capacity to authorised workshop with suitable arrangement

Supply & fixing in replacement of secondary stud bush of brass complete with nuts bolts and washers of brass for 50 to 100 KVA Transformer complete all as specified and directed.

Supply & fixing in replacement of secondary stud bush of brass complete with nuts bolts and washers of brass for 125 to 200 KVA Transformer complete all as specified and directed.

Supply & fixing in replacement of secondary stud bush of brass complete with nuts bolts and washers of brass for 250 to 630 KVA Transformer complete all as specified and directed.

Supply & fixing in replacement of primary stud bush of brass complete with nuts bolts and washers of brass for 50 to 100 KVA Transformer complete all as specified and directed.

Supply & fixing in replacement of primary stud bush of brass complete with nuts bolts and washers of brass for 125 to 200 KVA Transformer complete all as specified and directed.

Supply & fixing in replacement of primary stud bush of brass complete with nuts bolts and washers of brass for 250 to 400 KVA Transformer complete all as specified and directed.

Supply & fixing in replacement of synthetic rubberized cord sheet 5 mm thick with suitable holes including replacement of defective nuts and washer of per existing size for 200 to 630 KVA Transformer complete all as specified and directed.

Supply & fixing in replacement of cast iron wheel complete with solit pin etc for transformer 50 to 630 KVA complete all as specified and directed by Engineer-in-Charge.

Supply & fixing in replacement of Temperature gauge circular dia type of standard size and suitable for indoor/outdoor type transformers upto 630 KVA capacity all as specified and as directed.

Supply & fixing in replacement of breather assembly CI/ Plastic body of standard size filled with silica-gel for transformer upto 630KVA complete all as directed.

Supply & fixing in replacement of complete gaskit set of top side of transformer complete all as specified and as directed by Engineer-in-Charge.

Supply & fixing in replacement of suitable size of nut bolts/ washers complete all as specified and as directed . Make : TVS or equivalent as approved by GE.

Supply & fixing in replacement of primary bush insulator of transformer complete all as specified and as directed.

Supply & fixing in replacement of secondary bush insulator of transformer complete all as specified and as directed.

Winding the transformer 50 KCVA to 630 KVA suitable for Primary/ Secondary coils in repairs with 1st quality copper wire complete with all required insulation/ varmishing materials complete all as specified and directed.

Refilling the transformer oil after dehydration as per standard procedure upto strength level 45 KV for topping up complete all as specified and directed by Engineer-in-Charge.

M&L for topup of transformer oil of ISI marked having electric strength not less than 45 KV for topping up/ replacing oil complete all as specified and as directed. Make : Power/ Sweta/ Eqt.

S & F in replacement of Junction box, with joints, cover and outlets complete in all aspects

R K BUILDERS

TARA ENTERPRISES

DAVINDER SINGH

RANBIR ENTERPRISES