CWEAFJ-32/2019-20 SPECIAL REPAIR/ REPLACEMENT TO TRANSFORMERS, DG SETS AND PANEL AT AF STN UDHAMPUR

Amount

Supply, installation, testing and commissioning of step down, transformer 11KV/433 Volts 3 Phase 50 HZ 200 KVA out door type , Energy Efficiency level 3 as per IS 1180 (Part-1): 2014 with off load tap changing arrangement on HT side to vary secondary voltage up to 7.5 % in step of +2.5 % including suitable cable entry boxes both on HT to receive 95 sqmm 3 core XLPE cable and on low voltage side to accomodate XLPE cable of suitable size complete in all respect with standard accessories and fitment confirming to IS-1180 Part -I of 2014 .Primary side delta and secondary side star .The sailent feature of transformer shall be as follows :- (a). Transformer shall be oil immerse, naturally self cooled coppper wound, winding core type, MS radiater cooled tank complete with first fill of transformer oil plus 5 %spare oilas per IS 335 of1980 with cooling system. The temprature of oil shall not rise more than 50 degree centigrade to ambient temp and 55 degree centigrade of winding. Transformer shall be painted with two coat of epoxy paint as per IS-632 (b). (i) Rating and diagram plate(ii). Earthing terminals 2 No(iii). Lifting lugs(iv). Thermometer pocket(v). Air release hole with plug(vi). Tap changer with locking provision(vii). Oil temprature indicator

Supply, installation, testing and commissioning of step down, transformer 11KV/433 Volts 3 Phase 50 HZ 100 KVA out door type , Energy Efficiency level 3 as per IS 1180 (Part-1): 2014 with off load tap changing arrangement on HT side to vary secondary voltage up to 7.5 % in step of +2.5 % including suitable cable entry boxes both on HT to receive 95 sqmm 3 core XLPE cable and on low voltage side to accomodate XLPE cable of suitable size complete in all respect with standard accessories and fitment confirming to IS-1180 Part -I of 2014 .Primary side delta and secondary side star .The sailent feature of transformer shall be as follows :- (a). Transformer shall be oil immerse, naturally self cooled coppper wound, winding core type, MS radiater cooled tank complete with first fill of transformer oil plus 5 %spare oilas per IS 335 of1980 with cooling system. The temprature of oil shall not rise more than 50 degree centigrade to ambient temp and 55 degree centigrade of winding. Transformer shall be painted with two coat of epoxy paint as per IS-632 (b). (i) Rating and diagram plate(ii). Earthing terminals 2 No(iii). Lifting lugs(iv). Thermometer pocket(v). Air release hole with plug(vi). Tap changer with locking provision(vii). Oil temprature indicator

Supply, installation, testing and commissioning of step down, transformer 11KV/433 Volts 3 Phase 50 HZ 160 KVA out door type , Energy Efficiency level 3 as per IS 1180 (Part-1): 2014 with off load tap changing arrangement on HT side to vary secondary voltage up to 7.5 % in step of +2.5 % including suitable cable entry boxes both on HT to receive 95 sqmm 3 core XLPE cable and on low voltage side to accomodate XLPE cable of suitable size complete in all respect with standard accessories and fitment confirming to IS-1180 Part -I of 2014 .Primary side delta and secondary side star .The sailent feature of transformer shall be as follows :- (a). Transformer shall be oil immerse, naturally self cooled coppper wound, winding core type, MS radiater cooled tank complete with first fill of transformer oil plus 5 %spare oilas per IS 335 of1980 with cooling system. The temprature of oil shall not rise more than 50 degree centigrade to ambient temp and 55 degree centigrade of winding. Transformer shall be painted with two coat of epoxy paint as per IS-632 (b). (i) Rating and diagram plate(ii). Earthing terminals 2 No(iii). Lifting lugs(iv). Thermometer pocket(v). Air release hole with plug(vi). Tap changer with locking provision(vii). Oil temprature indicator

Supply, installation, testing and commissioning of step down, transformer 11KV/433 Volts 3 Phase 50 HZ 400 KVA out door type , Energy Efficiency level 3 as per IS 1180 (Part-1): 2014 with off load tap changing arrangement on HT side to vary secondary voltage up to 7.5 % in step of +2.5 % including suitable cable entry boxes both on HT to receive 95 sqmm 3 core XLPE cable and on low voltage side to accomodate XLPE cable of suitable size complete in all respect with standard accessories and fitment confirming to IS-1180 Part -I of 2014 .Primary side delta and secondary side star .The sailent feature of transformer shall be as follows :- (a). Transformer shall be oil immerse, naturally self cooled coppper wound, winding core type, MS radiater cooled tank complete with first fill of transformer oil plus 5 %spare oilas per IS 335 of1980 with cooling system. The temprature of oil shall not rise more than 50 degree centigrade to ambient temp and 55 degree centigrade of winding. Transformer shall be painted with two coat of epoxy paint as per IS-632 (b). (i) Rating and diagram plate(ii). Earthing terminals 2 No(iii). Lifting lugs(iv). Thermometer pocket(v). Air release hole with plug(vi). Tap changer with locking provision(vii). Oil temprature indicator

Note : The engine shall be affixed with label mention the following :- i) Name and address of the engine manufacturer. ii) Type approval certificate number. iii) Date of manufacturer of engine. iv) The complete generating set inclusive control panel base frame coupling etc. shall be from be from the OEM and shall be assembed and tested at engine manufacturer's workshop and test certificate shall be provided by contractor.Environement i) Engine conforms to environment (protection) rule 1986. ii) Humidity upto 95% (non condensing). iii) Operating temp range (-) 10 degree centigrade to (+) 40 degree centigrade. iv) Height above means Sea level (MSL) 2100 feet. Alternator The Alternator 160 KVA / 128 KW, 3 Ph, 415 V, 0.8 PF, 4 wire, H-class insulation, self excited, self regulated, screen protected drip proof type with two end ball bearing / roller bearing with damper k)Recovery time in governor system - <8 sec f) Max time to start from cold & attain rated speed & ready to start - 5 sec. g) Overload capacity - 10% for 1 hour in 12 hours of operation. Control panel :- The standard control panel corprising of control cubical fabricated sheet steel construction indoor type suitable for mounting accessories as given below :- Operator interface :- Threshold Warning Indication a) Manual start/stop a) Low oil pressure b) Auto/remote start b) Low engine coolant temprature c) Auto LED c) High engine coolant temprature d) Not in Auto LED d) Low coolant level

c) Auto LED c) High engine coolant temprature d) Not in Auto LED d) Low coolant level e) Manual LED e) Low Battery voltage f) Common shutdown LED f) High Battery voltage g) Common warning LED g) Battery Alt charge fault h) Exercise LED h) Over current j) Emergency stop (local and remote) j) Overload k) Alphanumeric screen l) Remote start input active LED m) Fault reset Efficiency of alternator :- i) at 100% MCR & rated PF - 94.0% ii) at 75% MCR & rated PF - 94.1% iii) at 50% MCR & rated PF - 93.6% Diesel Engine Disel Engine water cooled and electric start suitable to drive above alternator independently coupled dietectlythrough flexible coupling, multi cylinder four stroke, cold starting 1500 RPM industrial type as per BS-649 or BS-649 or IS 1601 with A1 class electronic governer integral with fuel system, providing capability for isocronous govering to regulate speed of DG set from no load to full load complete with fuel tank of capacity as per manufactured recommendation including lowest weight to power ratio of 2.18 for engine, silencer, exhaust pipe duly insulated with asbests rope and support and silencer muffler etc for contineous operation and standard accessories sump preheater etc all as specified and directed as follows :- (Note : Nine free service checks during warranty period) a) Aspiration - Turbo charged & after cooled. b) Staring system - 24 volts, electric.

c) Exhast silencer type - Residential / Hospital grade. d) Exhaust noise level (with silencer ) @ 1 M - < 75 DB (A) winding in each pole faces as per IS 4722 or BS 2613-1970 all as specified as below :- a) Time permitted to build up rated voltage < 5 sec. b) Short circuit with stand time 10 sec. c) Short circuit ration 0.4. d) Overload withstand capacity minimum 150% for 15 sec. e) Type of cooling system alternator - Air cooled system. f) Temp rise of armature winding - 125 degree centigrade. g) Temp rise of field winding - 125 degree centrigrade h) Flow of alternator - 15 m4/min (appx) j) Heat rejection by alternator - 7.7 KW e) Recovery time in governor system - <8 sec f) Max time to start from cold & attain rated speed & ready to start - 5 sec. g) Overload capacity - 10% for 1 hour in 12 hours of operation. Control panel :- The standard control panel comprising of control cubical fabricated sheet steel construction indoor type suitable for mounting accessories as given below :- Operator interface :- Threshold Warning Indication a) Manual start/stop a) Low oil pressure b) Auto/remote start b) Low engine coolant temprature c) Auto LED c) High engine coolant temprature d) Not in Auto LED d) Low coolant level e) Manual LED e) Low Battery voltage f) Common shutdown LED f) High Battery voltage g) Common warning LED g) Battery Alt charge fault h) Exercise LED h) Over current

j) Emergency stop (local and remote) j) Overload k) Alphanumeric screen l) Remote start input active LED m) Fault reset Measurement & Instrumentation - (Engine Side) a) Oil Pressure b) Oil Temprature c) Water Temprature d) Engine Speed e) Hours Run f) Number of starts g) Battery Voltage h) Exhaust Temprature Measurement & Instrumentation - 3 Phase L-L & L-N Voltage & Frequency (Alternator side) a) 3 Phase Current b) KWh c) Total KVA d) Totl KW & KVAr e) PF f) Per Phase, KVAr, KW g) Per Phase KVA Shutdown Protection & Indication Shutdown Protection & - (Engine side) Indication - (Alternator sie) a) Low Fuel Level i) Under & Over Voltage b) High Fuel Level ii) Under & Over Frequency

c) Low Oil Pressure iii) Over Current d) High Engine Coolant tenprature iv) Earth Leakage e) Failure to Crank Shutdown v) Reverse Power f) Over Crank (failur to start) vi) Reverse Var Power Transfer Function - a) Open Transition Transfer b) Hard Closed Transition c) Soft Closed Transition (ramping) d) Transfer & Base Load (Utility) e) Gen/Mains Breaker Staus Protection Electric Starter Equipment - The Equipment will comprise the followings :- a) Maint free Battery duly initially charged and battery lead with copper/brass terminals with 160 AH capacity. b) Starter motor c) Starter gearing d) Start / stop push button e) Invertor cum battery charger 500 VA capacity suitable to work on 230 Volts, 50 Hz, AC supply system for charging of DG set batteries externally when DG set is in off position. f) Alternator/dynamo of suitable capacity to charge the batteries while DG set is running complete with auto cut out all as per manufacturer recommendations.

AMF PANEL Auto mains failure panel 415 Volts, 50 Hz suitable for 160 KVA DG sets made out of 16 guage steel sheet factory made cubical type floor mounted front and rear door openable doors with locking arrangement duly powder suitable for including the followings :- a) Microprocessor based contactor 400 Amps, 04 pole, 415 volts, MCCB 400 Amps, 4 pole , 415 volts, 50 Hz - 02 Nos , electronic control box for automatic switching on and off of DG set and transfer of load pre assembled and ready to use complete in all respect equipped. b) On load change over switch 4 pole, 415 volts, 50 Hz, 400 Amps in open execution for manual change over of supply of AMF panel failure.

Excavation in trenches not exceeding 1.5 meter wide and not exceeding 1.5 meter deep and getting out in any type of soil complete all as specified and directed by the Engr-in-Charge.

Sand cushioning 8 cm before laying HT/LT underground cable in trenches and 15 cm after the cable is laid and all as specified and directed by Engr-in-charge. Note:-The laid sand shall be gently punned down by hand to 18 cm depth.The punned thickness only shall be measured and paid.

Well burnt with sub class 'B' bricks laid dry flat to cover the cable with width equal to the length of cable and abutting each other for protection of cable, complete all as specified and as directed.

Returning filling in soils including spreding, leveling, watering and well ramming in layers not exc. 25 cm thick complete all as specified and directed.

Removing surplus soil to a distance not exceeding 50 meter and depositing where directed at a level not exceeding 1.5 meter above the starting point complete all as specified and directed.

GI tube light grade of bore 100mm with all fittings laid in trenches or fixed to walls and ceiling or laid in floor for cable crossing including cutting of bitumen roads/PCC and making good after laying of cable complete all as specified and directed by E ngineer in charge including taking down old.

GI tube light grade of bore 80 mm with all fittings and fixed complete to walls and ceiling or laid in floor for cable crossing including cutting of bitumen roads/PCC and making good after laying of cable complete all as specified and directed by E ngr in charge

Supply , laying and testing XLPE insulated ,screened,PVC bedded,galvanised steel strip or wire armoured,electric power cable (heavy duty) with aluminium conductor,1100 volts,grade cross sectional area 185 sqmm x 3 .5 core complete all as specified and directed by Engineer-Charge. including taking down old.

Supply , laying and testing XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured,electric power cable (heavy duty ) 1100 volts grade with stranded aluminium conductor of size 150 sqmm 3.5 core complete all as specified and directed.

Supply , laying and testing XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured,electric power cable (heavy duty ) 1100 volts grade with stranded aluminium conductor of size 120 sqmm 3.5 core complete all as specified and directed.

Earthing complete with copper earth plate electrode of size 600X600X3.15mm thick as earth electrode buried directly in ground (earth pit not less than 2.25 Meter deep below ground level) with top edge of the earth plate not less than 1.5mtr below ground level using copper strip 20X3mm dia as earth continuity conductor connected to earth plate by means of copper thimbles nuts bolts washers incl jointing of earth electrode and earth wire by means of welding, all as directed including provided earth wire protection pipe GI light grade 40 mm dia from earth plate to main switch boards/panel, watering pipe 20mm dia with wire mesh and funnel at top, earth pit and cover made up of RCC 49mm thick duly fixed to angle iron frame with hinges of appropriate size by welding and having locking arrangement , adequate quantity of charcoal dust ad salt all around 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 sit and specified in EP No3 of SSR part I 1991 directed by Engr-in-Charge Note :- (i) 1.5 CUM of soil will be provided by the contractor from outsourcing other than AF station Udhampur for refilling the remains portion of earth pit for increasing soil resistance (ii) GI pipe of 40 mm dia upto 7.5 mtr lengthand copper strip of 20X3 mm shall deem to be included in the quoted rate.

Supply, installation, testing and commissioning in replacement of CPRA approved L.T Panel board suitable for 415 Volts, 3 Phase 4 Wire, 50 Hz AC Supply System confirming to IS:8623/93, Floor mounting along with factory made type panel weather proof, vermin proof, fully ventilated as per IP 52. The panel shall be front operated along with all panel accessories hings, rubber gasket, locks with common earth bus at bottom inside panel board with two earth terminal out side panel board ,cable gland plates with independent plate at bottom . The fornt facia shell duly compartmented for each switchgear & control gear, including internally and externally the entire steel surfaces chemically cleaned with Powder coating colour simens grey RAL-7032. All the cover shall be provided with suitable locking arrangements proper gasket. The panel mounted on frame grouted with PCC grounting in PCC 1:3:6, including accommodating the following controls gears , switchgear .The make of Panel :-ABB /Siemens/Schneider/L&T. The specified firm can not authorised any other vendor to manufacture panel on their behalf & purchase vouchers from original manufacturer will only be accepted, complete all as specified and comprising the followings

Fabrication (a) The outdoor type panel fabricated out of MS CRCA sheet of 3.15 mm thick the size of the front facia shell should not be less than 3000mm x 1500mm x 450mm, mounted on angle iron 50 x 50 x 6 stand of minimum 45 cm height.Busbar (b) The panel having Busbar Chamber with copper bus bar of rating 800 Amps, three phase and one neutral four wire system fixed on insulator and bus bar insulated by coloured heat shrinkable sleeves. Incomming (c) ACB 4 pole of rating 1000 Amps with microprocessor release type, (Ics=100%Icu) with Adjustable setting of ground fault,Overload,Short Circuit Protection fitted with Extended rotary handle, Spreader links & Phase speraters. Make: Schneider/ Siemens/Abb -02 No Incomming (d) 4 pole Interloacked Contractor aseembly or Motorised Changeover 800 Amps with No-Nc auixiliary contactor Make: Schneider/ L&T/Legrand/Siemens/Abb -03 No (e) Microprocessor based controller for operate auto trasfer switch and auto dg start/stop with auto/manual operation with adjustable time delay, over load setting, on ,off, trip indication on controller make:- procom/comap/c&s/woodward -01 No(f) Panel mounted multi function meter vaf,pf parameter of accuracy CL-1.0 rating with RYB led type indication- 01 No Outgoing (g) MCCB 4 pole of rating 400 Amps 25 KA with thermal magnetic release type, (Ics=100%Icu) with Adjustable setting Overload,Short Circuit Protection fitted with Extended rotary handle, Spreader links & Phase speraters. Make: Schneider/ Siemens/Abb -04 No (h) supply and fixing of Automatic Transfer Switch as per Conforms to IEC:60947-1 and IEC:60947-6-1 foure pole ,AC -31A,50 Hz,415 Volts of capacity 630 amps automatic /manual with inbuilt time delay with enclosure complete.make : Havells ,cat part No. ISYFAE630 /standard/equivalent make-01 No

MOHAN LAL AND SONS

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M/S MANJIT SINGH AND SONS

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