Electrical Work

Amount

Supply, Testing, Commissioning and Handing over of 1No 250 KVA Diesel Generator set of 0.8 P.F. Three Phase 415/420 Volts, 50 C/S, 1500 RPM CPCB-IV Norms Approved capacity compressing of Engine BHP/ suitable BHP of water cooled clock wise rotating feed pump with 200KW/250KVA operating capacity brush less alternator close coupled underneath fuel tank standard, safeties, LLOP with stop solenoid, battery with lead, Electric start and vibration fitting & accessories and Standard Manual panel control panel as detailed below including transporting of unloading changes. (A). ENGINE Water cooled diesel engine suitable for Generator application with a shaft output suitable at 1500 RPM under NTP conditions. The Engine shall comprise the following standard fitting flexible coupling, fly wheel air cleaner ,fan blower, radiator, water pump, fuel pump, fuel filter lubricating oil filter etc., (B) 12/24 Volt Electronic starting Equipment Complete with starter motor, dynamo, standard batteries with cable, flexible exhaust piping of 50 cms length

( C ) ENGINE INSTRUMENT PANEL / MOUNTED Starting push button/ staring key, lubricating oil temperature gauge, lubricating oil pressure gauge, water temperature gauge, safety control for low lubricating oil pressure, safety control for high water temperature, safety control for over speed, hour meter (mechanical) and RPM indicator, battery charging ammeter. The engine should be capable of providing 10% over load for one hour for every 11 hours continuous at full load .D). Alternator 250 KVA/200 KW capacity of brush less alternator AC, Three phase 50 c/s, 415/420V,0.8PF, 1500 RPM under NTP conditions conforming to ISO-8528 Part-V to be means of coupling

(19) 1No Signal lamp for indicating load on set (20) 1No Signal lamp for indicating set fails to start (21) 1No Signal lamp for indicating ‘Set running ’(22) 1No Signal lamp for indicating ‘Battery charger ON ’(23) 1Set Pilot lamps of 3Nos (24) MCCB of 500A capacity with magnetic thermal over lead release, instant start circuit trip and under voltage release switch .(25) Rectangular copper bus bars (1No for each phase, neutral and earthing terminal) of adequate capacity duty colour coded with head shrinkable PVC sleeves. (26) 1No Mains Voltage monitor (27) Hooter/Audio Alarm for indicating set fails to start and for DG O/L (28) 1 Set Timers

(29) Audio and visual indication arrangements for: a. Low lubricating Oil pressure b. High water temperature c. Over speed 30) 1No Earth fault relay (31) Isolator to Isolate the neutral Note: 1. The control panel should be complete with necessary fuses, cables, labels, other accessories with neutral isolation arrangements 2 . The engine should trip for the following a. Low lubricating Oil pressure b. High water temperature c. Over speed. (F). FUEL TANK : Fuel tank of 600 liters capacity and with inlet and outlet connections level indicator with scale etc.,

(G).BASE FRAME : The Base frame should be fabricated MS channel frame of rigidly welded construction for mounting of generator set. The engine and alternator should be coupled by suitably designed diaphragm type flexible coupling with guard and mounted on the base frame with proper alignment. The supply of generator set includes loading .(H). ACOUSTIC ENCLOSURE The Acoustic enclosure be free standing floor mounting type with modular construction with the provision to assemble and dismantle easily and designed to suit all weather conditions.Erection of Acoustic enclosure suitable for 250 KVA Diesel generator complete with all accessories as above with required concreting and suitable supports etc., (i) Supply of manuals for operation & maintenance of DG set with warranty card etc.,

ERECTION AND TESTING AND COMMISSIONING Erection of 250 KVA Generator set with suitable foundation Pedestal height 5 ft with proper alignment of Genset including crane charges (Qtn)

Supply and installation of exhaust piping of sufficient length with suitable MS pipes so as to extend outside the generator room with necessary thermal insulations

Supply of lubricating oil and first charging of starting battery and supply of 320 ltrs for 250 KVA diesel to run the Gen set for minimum of 8 hours Diesel

Supply and fixing of 400 A Three phase 500V 4 Pole Change over Switch on suitable angle iron frame work with MS cable entry boxes with earth connection only.

Supply and laying of 2runs 3 ½ x 240 Sqmm PVC armoured LTUG cable in suitable size HDPE pipe in a trench to be excavated at a depth of 0.75 meter and refilling the earth to make good

Supply and clamping of 2 runs of 31/2 x 240 Sqmm PVC LTUG armoured LTUG cable with earth connection

Supply and fixing of brass cable gland for 3 ½ x 240 Sqmm PVC armoured LTUG cable with earth connection

Supply and providing cable end termination of 3 ½ x 240 Sqmm PVC LTUG Aluminium armoured cable with necessary aluminium cable sockets by crimping etc., with electrical connection complete

The panel should be powder coat paint of approved colour approved by the site officer and also the danger board. The capacity of the MCCB size of incoming and outgoing cable the place to which the supply is fed should be mounted on switch chamber. The panel board should be mounted on 100mmx 50mmx MS channel provided all around the bottom of the panel. The whole arrangement should be erection of an angle iron frame pedestal to be constructed with suitable foundation bolts and nuts such that the lowest switch handle is at a height of 1.0 m from the ground level and with necessary earth connection

Supply and clamping of 31/2 x 50 Sqmm PVC LTUG armoured LTUG cable with earth connection

Supply and fixing of brass cable gland for 3 ½ x 50 Sqmm PVC armoured LTUG cable with earth connection

Supply and providing cable end termination of 3 ½ x 50 Sqmm PVC LTUG Aluminium armoured cable with necessary aluminium cable sockets by crimping etc., with electrical connection complete

Supply and fixng of 200A TPN switch disconnector fuse units in sheet steel enclosure with HRC fuses Double break

Supply and fixing of Vertical type 4way triple pole neutral MCCB distribution board with Metal Acrylic Door cover with IP42 Protection, with 125A 4 pole MCCB as incoming and 4Nos 63A TPMCB as Outgoing in flush with wall and making good of the concealed portion with earth connection only. The MCB DB and MCB’s should be with ISI mark.(Like Legrand /Hager L &T/equ make)

Supply anf fixing of LED Flood Light 150W with Integrated Driver (higher end) with suitable angle iron frame work on the existing high mast fitting with MS clamps

Supply and fixing of 32A DP MCB in suitable sheet steel enclosure with weather Prrof box with inter connection.(Make Legrand /Hager/equ Make )

Supply and fixing of 3 nos.6A two module 3 pin socket , 3 nos. 6A one module switch on suitable module surface mounting Box ( Plastic ) with module cover plate (plastic) on wall with connections. Higher End

Supply and run of 2 of 4 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100V grade in suitable PVC rigid pipe on wall and ceiling with continuous earth wire connection of 4 sq.mm copper wire with painting of suitable colour.

Supply and fixing of 2.0TR 5star rated energy efficient high wall mounting Split type AC units, consisting of 1no outdoor condensing unit, complete with hermetically sealed compressor with R-22 non CFC Refrigerant and 1no 2.0TR capacity hi-wall mountable Evaporator, blower motor and connected accessories, control with maximum cooling guaranteed and minimum power consumption suitable for operate on 230V-50hz, 1ph AC power supply etc., Make: Carrier/Havells-Lloyd/Sharp/equ

Supply and fixing of Wall mountable 5 KVA automatic voltage stabilizer with 3 minutes time delay, high & low voltage cut off arrangement etc., Make: V-guard./equ.,

Supply and fixing of angle iron stand suitable for 2.0TR Condensing unit,

Supply and laying of 5/8” & 3/8” copper refrigerant pipe with 2.5sqmm-3 core power cord wire & etc.,

Earthing as per ISI specification with an earth electrode of 2.1m class 'B' GI pipe of dia. not less than 40mm, with copper earth plate of size 125mm X 50mm X 6mm with necessary funnelling arrangements with necessary masonry work and with 38mm RCC cover slab for the brick masonry.

Supply and run of 25mm x 6mm tinned copper flat with necessary clamps/support on wall / floor/ground for earth connection

Supply and run of 25mm x 3mm tinned copper flat with necessary clamps/support on wall / floor/ground for earth connection

Supply of lubricating oil and first charging of starting battery and supply of 320 ltrs for 250 KVA diesel to run the Gen set for minimum of 8 hours Diesel

GST at 18%

U.S. ELECTRICALS (BID ID -1484511)