PROVN OF STANDBY TROLLY MOUNTED TRANSFORMER/DG SET AT AF STATION UDHAMPUR

Amount

Supply, install, testing and commissioning of silent type Diesel Engine driven generating set of min 100 KVA capacity 3 phase, 4 wire, 415 V, 1500 RPM conforming to relevant IS Codes, AC power supply with power factor 0.8 coupled directly to alternator mounted on a common ed Plate with sturdy design,Bed plate shall be suitable for mounting on anti viberation mounting system, load factor 0.85, complete with integral acoustic enclosure-sound proof canopy (should have silent features as per latest CPCB norms), fuel tank having facility for easy cleaning, Suitable Battery Charging unit incl battery & standard accessories, and at least 2 year warranty.

(A) ENGINE : Liquid Cooled, electric Self start, 4 Stroke, min 6 cylinders cold starting, Naturaly aspirated /TCI aspirated( as per manufacturer standard), compression ignition, totally enclosed diesel engine , 1500 RPM suitable for 100 KVA alternator under NTP conditions as per ISO 8528 Part-I capable of taking 10% over load for 1 hours in every 12 hours continues running confirming to IS: 10000/10002/ISO 3046/ BS: 649/ BS: 554 amended up to date, the Engine shall consist of the following :- (i) Dynamically balanced fly wheel or as per manufacturer's standard (ii) Coolant cooling system complete (iii) Air cleaner as per manufacturer's standard (iv) Fuel injectors and fuel pump as per manufacturer's standard (v) Electronic governor as per manufacturer's standard to maintain engine speed at all conditions of load (vi) Fuel service tank of minimum 8 hour running capacity fabricated from MS sheet with, inlet outlet connections, air vent tap,drain plug, Caliberated level indiactor(gauge), MS fuel piping from tank to engine with valves, unions, reducers, flexible hose connections, mounting pedestals, fuel filters incl all as per manufacturer's design. (vii) Dry exhaust manifold with suitable exhaust residential grade, Asbestos rope of suitable size shall be provided as per manufacturer desires for silencer to reduce noise level as per CPCB norms

(viii) Static Battery charging unit suitable for 180 Ah battery/battery array 12/24 volt having float, trickle and boost charging feature. Charging should be from utility supply/generator supply as directed by Engr in charge. (b) one/two battery of total capacity 180 Ah connected with copper lugs and minimum 50 sqmm cable placed inside the acoustic enclosure. (ix) Gear driven oil pump for lubricating oil, priming of engine bearing, as well as fuel systems as per manufacturer's recommendation (x) Natually aspirated/turbo charger as per manufacturer's standard (xi) Lubricaton oil coolers and filters with replaceable elements as per manufacturer's standard (xii) Crank case heater with manufacturer's recommendation (xiii) All moving parts of the engine shall be mechanically guarded in such a manner that a human finger cannot touch any moving part (xiv) Radiator as per manufacturer's standard (xv) Engine control panel having digital display complete with :- (aa) Start/stop key switch (ab) Lubricating oil pressure indication (ac) Lubricating oil temperature indication (ad) Water temperature indication (ae) RPM indication (af) Engine hours indication (ag) Battery charging indication (ah) Low lub oil trip indication (aj) High water temp indication (ak) Over speed indication (xvi) Any other item not included/specified but is a standard design of the manufacturer

(B) ALTERNATOR (i) Alternator of capacity 100 KVA , 1500 RPM, 0.8 lagging power factor, 3Ph, 415 V, 50 Hz, H Class insulated winding, IP-23 protection, Close-direct-coupled,brushles self-excited and self-regulated type, SPDP enclosure, mounted on rigid MS sheet channel base frame, alternator shall be confirming to IS: 13364, IS: 4722,IS 4889 , IEC: 34 and suitable for tropical condition. (ii) Type : Brushless Self excited self regulated with automatic voltage regulator (electronic type) (iii) Rating : 100 KVA at 0.8 PF lagging 4 pole horizontal at NTP condition. (iv) Speed : 1500 RPM (v) System : 415 Volt +/- 5 % AC 3 phase 4 wire 50 Hz. (vi) Connection : 4 wire star connected. (vii) Enclosure : Screen protected drip proof. (viii) Ventilation : Self ventilated (ix) Anti friction bearings (x) AVR output voltage within +/- 1% (xi) Frequency in range 50+/- 3 % (xii) Over load capacity and duration: 10 % for 1 hour after each 12 hour continuous operation, 50% for 15 sec

(C) Acoustic Encloser: (i) shall have Anti viberation mountings for direct mounting of engine alternator assembly. (ii) should be designed to meet CPCB norms for noise level (75dB at 1 mtr) (iii) Construction shall be such ,it prevnets entry of rain water splashing in to the enclosure and allows quick flow of rain water to ground in event of heavy rains. (iv) suitable no of doors shall be privided for easy servicing and part replacment of DG set. (v) it shall be suitable to be dismantled during overhaul of DG. (vi) It shall be suitable for cable entry upto 3.5 core 185 Sqmm XLPE cable (vii) It shall have LED light for proper illumination inside the DG Set.

(D) Control Panel: The Control panel is to be inside canopy and fabricated out of 1.6mm thick CRCA sheet cubic type totally enclosed, powder coated , IP-53 protection, equipped with MCCB / circuit breaker of suitable capacity, voltage metering, frequency meter, ampere meter , fuel level gauge in % metering , lube oil pressure metering, high water temp meter, RPM meter, power metering , power factor metering , set of suitable CTs , toggle switches, indicating LED lamps all as specified by manufacturer and directed by Engr-in-Charge . Following engine shutdown and alternator protection provision shall be provided in control panel : (i) Engine : (aa) Low lubricating oil pressure shutdown. It shall be inoperative during starting and accelerating period . (bb) High coolant temp shutdown . (cc) Engine over speed shutdown (ii) Alternator Protection from : (aa) Overload (bb) Short Circuit (cc) Earth Fault (dd) Over Voltage (iii) Monitoring and Measuring Facility: (aa) Necessary energy analyser unit for visual monitoring of Mains, Alternator and load voltage , current, frequency , power factor , KWH , KW etc. (bb) Visual monitoring lamp indication for load on DG Set, Load on Mains, engine shutdown for over speed, over load trip, earth fault trip, engine lockout and failure to start, all with audio and visual alarm.

Foundations :- Surface for the trolley should be made of the high grade material Mild Steel (MS) with corrosion resistance and also coated with paint.Suitable working space shall be on trolley.Design as per recommendation of manufacturer shall be submitted by contractor and get approved before execution of work. Note :- (i) Genset/Engine shall fulfill/confirm to latest CPCB emission and noise norms. The contractor shall produce/issue the certificate from manufacturer wrt. to compliance duly approved from agencies as approved by Govt of India. (ii) Payment shall be released only after receipt necessary of certificate.

Supply, installation, testing and commissioning of step down, transformer 11KV/433 Volts 3 Phase 50 HZ 400 KVA out door type , with off load tap changing arrangement on HT side to vary secondary voltage up to +5 % to -10 % of in steps of 2.5 % including suitable cable entry boxes both on HT to receive upto 120 sqmm 3 core XLPE cable and on low voltage side to accomodate XLPE cable of size upto 120 sqmm 3.5 core complete in all respect with standard accessories and fitment confirming to IS-1180 Part -I of 2014 amended upto date .Primary side delta (HT) and secondary side star with neutral (LT) i.e Vector diagram Dyn-11 .The sailent feature of transformer shall be as follows :- (a). Transformer shall be oil immerse, ON AN cooled, double coppper wound, core type with radiater cooled tank complete with first fill of transformer oil as per IS 335 amended upto date and dielectric strength more than 60 KV with cooling system. The temprature rise not more than 45 degree centigrade to ambient when measure with resistance method for transformer winding and 40 degree centigrade when measured by thermometer for top oil when tested in accordance with IS 2026 (Part 2). Transformer shall be painted with PU paint as per relevant IS standard (b). (i) Rating and diagram plate will contain all terminal specifications as per IS 1180 (Part 1). (ii). Earthing terminals 2 No (iii). Lifting lugs (iv). Thermometer pocket (v). Air release device (vi). Tap changer with locking provision (vii). Oil & winding temprature indicator (viii) Dehydrating breather fitted with silica gel. (ix) Drain cum simpling valve 3"/4 nominal size thread IS 554 steel with plug. (x) Pressure relief device on explosion. xi) Conservator vent. (c) Energy efficiency shall be level 3 as per IS-1180 amended upto date. Note :- Drawing of transformer shall be got approved from GE.

Supplying, laying, jointing, testing and commissioning HT under ground electric power cable Crossed linked polyethylene (XLPE) insulated, screened PVC bedded, galvanised steel strip or wire armoured electric power cable (heavy duty) with aluminium conductor, 11000 Volts grade suitable for earth system of 3 core 120 Sq mm cross sectional area size, ISI marked as per IS 7098 Part-2, laid in trenches/ laid under floor/ laid in ducts or fixed on poles etc. complete all as specified and directed by Engr-in-Charge.

Supply and lay cable 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 630 sqmm 3 1/2 core laid above the trolly in the maintenance chamber etc. complete all as specified and directed by Engr-Charge.

Supply and laycable 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 1/2 core laid above the trolly in the maintenance chamber etc. complete all as specified and directed by Engr-Charge.

Supply and fix end jointing kit for 11 KV grade cable for Indoor/out door termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 120 to 185 sq mm including all fixing accessories comlplete, & directed by Engr-in-Charge. NOTE:- Item rate quoted including required T&P/Refixing & Refilling in the transformer primary side complete all as specified and directed by Engr-in-Charge.

Supply and fix heat shrinkable End termination kits and accessories of Outdoor/indoor 630 Sqmm 3.5/4 core cable jointing kit for 1.1 KV grade cable complete all as specified and directed by Engr-in-Charge. Note :- Rate for the execavation, returing filling and removing of the earth work and provide labour and Electrician shall deemed to be included in the quoted price, not extra be paid for this items.

Supply and fix heat shrinkable End termination kits and accessories of Outdoor/indoor 150 Sqmm 3.5/4 core cable jointing kit for 1.1 KV grade cable complete all as specified and directed by Engr-in-Charge. Note :- Rate for the execavation, returing filling and removing of the earth work and provide labour and Electrician shall deemed to be included in the quoted price, not extra be paid for this items.

Supply & installation and testing & Commissining CPRI approved outdoor cubical type IP 54,LT feeder piller box suiable for 415 V, 3 phase 50 Hz , AC supply system, dust,weather & vermin proof, made of 3.15 mm thick CRCA sheet, TPN copper busbars of rating 800 Amp Cap.Bottom base channel of MS section not less then 50 x 50 x 6 mm thick, entire panel shall have a common aluminium earth bar of size 25 mm x 5mm at the rear with 2 no earth stud,double door both side opening single door system lockable/openable by key from both sides having flush pattern fancy locks with louvers. cable entry with glands, foundation/grouting on & including angle iron as per site requirement with the following :- (a) Bus bar electrolytic grade copper and supported on Non-hygroscopic, non carbonising, corrosion resistance SMC insulator 800 Amp,4 pole, not less then 60 CM long mounted on insulators for incoming supply - 1 Set (Set of 4 strips) (b) Phase indicator lamp RYB LED type - 1 Set (Set of three). (c) Digital Voltmeter & Ammeter - 02 Nos (d) CT Ratio 600/05 of suitable VA Burdon, accuracy class 1.0 Tape Wound - 01 Set (Set of three) Incoming: (a) MCCB 630 Amp, 415V, 50 Hz, FP, 50 ka, Ics= 100% Icu, 0.8 ln to 1ln, adjustable type with magnetic thermal, complete all as specified and directed by Engr-in-Charge. Note :- 1. Panel shall be installed at least 45 cm from trolley base with suitable nut, bolts and all welding cutting, drilling work etc shall be deemed to be included in quoted rates 2. All electrical work & material is deemed to be included in the quoted rates

M&L for installation & testing of digital grounding device mobile transportable earthing pits, advance chemical sealed electrode box type, light weight GI horizontal electrode designed for use in any soil conditions. Each electrodes is to be designed in box shape using GI 2 mm thick plates of 600 mm x 450 mm x 100 mm as outers of box and two 50 mm sockets are to be placed on top with removable caps and two handles to facilitate handling. The inner space shall be filled with about 28 Kg of specialized ASEM-GB having extremely low resistivity (0.05 ohm / meter or below), and high conductivity, hygroscopic, non soluble stable material. The material shall be filled in the electrode as thick slurry. Copper terminal of size 200 x 40 x 6 mm are to be fixed along the centre protruding on socket centre for necessary connection. Make:- Dhruva Technologies Pvt Ltd or its equivalent in DEHN GAURD ASHOK SAFE EARTHING / PRAGATI / JP. (i) 1.5 mtr length of PVC insulated 50 Sqmm copper flexible cable is to be provided for necessary connection to distribution board or bonding between two electrodes. It shall be deemed to be included in quoted rates . (ii) All civil, electric works shall be deemed to be included in quoted rates . (iii) Dimension of plates used as outers, sockets etc may vary slightly as per manufacturer's recommendation . (iv) High conductivity salt and ASEM-GB or its equivalent material shall be duly cert ified from NABL Lab.

Supply and fix PVC insulated multistandraded copper cable of size 70 sqmm single core both ends thimbled properly with copper Lugs, complete all as specified and as directed by Engr-in-Charge. Note :- Cupper thimble shall be measured and paid separately.

M&L for Copper Lugs of size 70 sqmm complete all as per specified and directed by Engr-in-Charge.

M&L trolley for mounting of DG set of capacity 100 KVA , having trolley structure-ground clearance should be approximate 320 mm (32 CM) unladen -turning circule should be equal to 13.3 meters . Trolley should be compatible with twin line air beak system . floor shall be 3.1 mm thick steel sheet welded to frame . Wheels -Rim size shall be 6.5 Hx16 SDC for fitment of tyre size 9.00x16-10 ply rating cross country non directional tread. miscellaneous fittings -one number plate of size 460 mm x 110 mm ,one hook at the rear for tandem towing, triangular reflex reflector - total four numbers , two in front and two in rear ,reflector type T sign plate at the rear end of the right side , lubrication chart indicating lubricating points, periodicity and lubricants, Suspension-trolley shall be mounted on an axle by two elliptic lead spring on each axle,spring shall be made of silica manganese steel , AXLE front axle shall have Ackerman type steering wheel and rear axle shall be made out of rigid type.Cable roller should be attached with trolley for rolling the cable.

M&L trolley for mounting of distribution transformer capacity 400 KVA , having trolley structure-ground clearance should be approximate 320 mm (32 CM) unladen -turning circule should be equal to 13.3 meters . Trolley should be compatible with twin line air beak system . floor shall be 3.1 mm thick steel sheet welded to frame . Wheels -Rim size shall be 6.5 Hx16 SDC for fitment of tyre size 9.00x16-10 ply rating cross country non directional tread. miscellaneous fittings -one number plate of size 460 mm x 110 mm ,one hook at the rear for tandem towing, triangular reflex reflector - total four numbers , two in front and two in rear ,reflector type T sign plate at the rear end of the right side , lubrication chart indicating lubricating points, periodicity and lubricants, Suspension-trolley shall be mounted on an axle by two elliptic lead spring on each axle,spring shall be made of silica manganese steel , AXLE front axle shall have Ackerman type steering wheel and rear axle shall be made out of rigid type.Cable roller should be attached with trolley for rolling the cable. Note for Item No 13 & 14 :- (i) Any item missing but required for functioning of trolly trailer will be the part of quoted rates. (ii) Base frame channel shall be made as suitable to take load of transformer and DG Set according to their weight. (iii) Plateform sheet not less than 3 mm thickness complete all over.

Electromechanics Engineers & Contractors

PROACH ASSOCIATES BUILDERS & ENGINEERS

N K BUILDERS

ANIKET TRADERS

MOHAN LAL AND SONS

Bidder Name

MOHAN LAL AND SONS

ANIKET TRADERS

JCC ENGINEERS PRIVATE LIMITED

N K BUILDERS

Electromechanics Engineers & Contractors

PROACH ASSOCIATES BUILDERS & ENGINEERS