Special Repairs Replacement of Old Vintage DG Set of 180 KVA Capacity at INHS Kalyani, Visakhapatnam

Amount

Supply Install, Testing and commissioning of Silent Diesel Engine driven Generating Set of Capacity 400 KVA / 320 KW, 415 Volts, Three Phase, 4 Wire, Engine as per IS – 10001 / 10002 and Alternator as per IS – 13364, conforming to CPCB-02 approved norms complete with relay panel for automatic starting on main failure, control panel having meters, sound proof canopy as per relevant IS and foundation etc. including following: [Make: Kirloskar Green / Cummins / Ashok Leyland / Greaves Cotton]

A. ENGINE: Direct Injection, Water Cooled Engine, 6 Cylinder, in-line, 4 Stroke, rated at 1500 RPM, conforming to BS – 5514 and having following specifications: [i] In- line fuel pump with electronic governor for 400 KVA. [ii] Turbocharger [iii] Stainless Steel Exhaust Flexible Coupling and Exhaust Pipe duly insulated with Glass Fire Wool and Plain GI Sheet Cladding & extended outside the building. [iv] Silencer [v] Radiator [vi] Coolant Inhibitor [vii] Plate type Lub Oil Cooler [viii] Spin-On-Filters-Coolant, Fuel, Fuel & Lub Oil [ix] Dry type, Heavy Duty, Replaceable Paper Element Air Cleaner with Restriction Indicator [x] Flywheel Housing and Flywheel to suit Single Bearing Alternator [xi] Electrical Starter Motor [xii] Battery Charging Alternator [xiii] 2x12 Volts Batteries, 180 AH Capacity with multistranded copper cable for connecting leads and terminals [xiv] First fill of Lub Oil.

B. ALTERNATOR: [i] Self Excited & Self Regulated [ii] Voltage Regulation ± 1 % [iii] Class H Insulation [iv] Salient Pole Revolving Field [v] Digital Automatic Voltage Regulator [Part of PCC 1301] [vi] Standard Enclosure IP-23 [vii] Telephone Interference Factor: 50 [viii] Total Harmonic Factor: Better than 2% [ix] Supplying power to variable electrical load for unlimited hours. Prime Power [PRP] is in accordance with ISO 8528. 10% over load capacity for one hour every 12 Hours of operation and will be suitable for tropical condition.

C. ENGINE CONTROL WITH AMF PANEL: Standard Control Panel along with DG Set, Cubicle with CRCA Sheet of 2 mm thick and angle iron structure including following accessories: [i] ACB, FP, 800 Amps – 2 Nos. [ii] Contactor, 4 Pole, 600 Amps capacity – 2 Nos [iii] Contactor, 4 Pole, 400 Amps capacity – 1 Nos for Neutral [iv] Microprocessor based LED type Multifunctional Intelligent Panel Meter for showing Current, Voltage, Frequency, Power Factor, Energy Consumed, Speed, Temperature of Engine, Oil Level, Battery Voltage etc. [v] Digital Frequency Meter – 1 No [vi] Digital Power Factor Meter with CTs – 1 No [vii] Three Phase, 400 / 5 CT Operated Digital KWH Meter 300 Amps – 1 No [viii] Indicating Lamps for "DG ON & LOAD ON" [ix] Instrument displaying Water Temperature, Lube Oil Pressure, Engine RPM, Battery Charging. [x] PVC Sleeve insulated Tinned Aluminium bus Bar suitable for 800 Amps current carrying capacity [TPN] [xi] Instrumentation, Control Switch Fuses / MCBs duly wired and ferruled. [xii] Coolant Heater with Thermostatic Switch [xiii] Lub Oil Heater

D. FUEL TANK: In-Built Fuel Tank of suitable capacity for minimum 12 Hours run but not less than 450 Litres capacity with all fittings and accessories.

E. ACOUSTIC ENCLOSURE: [i] Designed to meet stringent MOEF / CPCB norms 75 dBA @ 1 m at 75% load under free field conditions. [ii] Air Inlet Louvers shall be designed to operate at rated load even at 50°C Air Inlet Temperature. [iii] Cubicle shall be powder coated for long lasting service life and super finish with UV Resistant Powder Coating and shall withstand extreme environment. Stain Steel hardware shall be used. [iv] Insulation Material shall meet / conform to IS – 8183 Specifications for better sound attenuation [v] Provision of Genset Controller for Engine & Alternator.

F. ACCESSORIES: [i] Periodical Maintenance Tools as per Manufacture [ii] Operational, Spare Parts, & Installation Guidelines and Catalogue.

NOTE FOR SERIAL ITEM No. 1: Rate quoted is also deemed to be including the following: [i] Provision of 200mm thick PCC 1:1½:3, Type A1, using 20mm graded stone aggregate Foundation over 200mm thick PCC 1:4:8, Type D-2, using 40mm graded stone aggregate over 200mm thick Hardcore of gauge not exceeding 63mm of broken stones or boulders, deposited, spread and levelled in layers not exceeding 15 cm thick complete as per manufacturer's instructions with Anti-Vibration Mounting Pads as per manufacturer’s guidelines including necessary earthwork excavation, return filling, removal of surplus soil and applying two coats of Cement Based paint over a coat of Alkali Resistant Primer complete etc. complete all as directed. [ii] Testing of DG Set shall be carried out by the IEM. [iii] Artificial load i.e. strip heaters of suitable capacity to be made available during test. [iv] Extended terminals with tinned copper has to be provided for terminating the incoming & out going cable with suitable lugs for ACB’s / MCCB's if required. [v] U/G cable shall be laid / connected to DG Set Cubicle Panel to AMF Control Panel [Changeover Panel] all as specified. [vi] Provision of cable gland & Aluminium lugs of suitable size for terminating the cable at both ends.

Dismantling of existing BER DG Set of 180 KVA capacity from the foundation, disconnecting all electric connections, demolition of existing PCC foundation of any description, transporting the DG Set to MES Store Yard including necessary T & P complete all as specified and directed.

Earthing complete with Galvanised Steel Earth Plate Electrode 600 X 600 X 6 mm thick buried directly in ground [earth pit not less than 2.25 m deep below ground level] with top edge of Plate not less than 1.50 m below normal ground level connected to 32 X 6mm GI Strip [Earth Lead] and GI pipe 50 mm, Medium Grade for earthing lead protection to the extent of maximum 7.5m, Earth Plate Electrode surrounded by 150mm thick packed layers of Charcoal and Common Salt filled in alternate layers, connected to the Plate by means of GI Bolts & Nuts complete all as per Electrical Plate No. 3 of SSR Part – I, connected to panel / DB including testing on completion including main earthing, Charcoal, Common Salt, PCC [1:2:4, Type B1] Pit with RCC 1:2:4, Type B1 Cover, 50 mm thick with 6 Nos, 8 mm dia TMT bars in both ways, MS frame made with 40 X 40 X 6 mm Angle Iron, MS Funnel with 20 mm bore, medium grade GI Watering pipe, wire mesh, earth work excavation, return filling, removal of surplus soil etc. and disconnecting and taking down existing Earthing of any description complete all as specified and as directed.

S & F Earth continuity Conductor or main earthing lead made of GI Strip of size 32 X 6mm, fixed to wall on batten or recess or chases or buried in ground or fixed to poles or any other indicated situation including drawing through GI Pipe for earthing etc. complete all as specified and as directed.

Supplying and laying GI pipe, 100mm dia, Light grade for cable protection at road crossing etc. or fixing on wall / poles of any type, secured with clamps complete all as specified and as directed.

Cutting Bituminous Road / Hardstanding etc. as required for Jointing / Laying Cables and Pipeline of width not exceeding 300mm and depth not exceeding 600mm and refilling after laying and making good with PCC 1:2:4, Type B1 using 20mm graded stone aggregate, 100mm thick complete all as specified and as directed.

Supplying, laying and testing XLPE insulated and PVC sheathed, FRLS, armoured heavy duty underground cable, ISI marked with aluminium stranded conductor 1100 Volt grade of size 3½ Core, 240 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc. including taking down old LT Cables of any description complete all as specified and as directed.

M & L for Cable End Termination Box, Heat Shrinkable, Outdoor type suitable for 1100 Volts [Earthed], 3½ Core, 240 Sq.mm XLPE Power Cable with aluminium conductor complete all as specified and as directed.

M & L for Cable End Termination Box, Heat Shrinkable, Indoor type suitable for 1100 Volts [Earthed], 3½ Core, 240 Sq.mm XLPE Power Cable with aluminium conductor complete all as specified and as directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 10 Sq.m on plan area and not exceeding 1.5m deep in Soft / Loose soil for laying Cables etc. complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick of excavated soil complete all as specified and as directed. Note: A deduction of 10% shall be made from total computed volume of filling to cater in bulk irrespective of machinery used for ramming.

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.

M & L for Dry River Sand cushioning over and around the cable for cable protection in trenches, levelled and punned down complete all as specified and as directed. Note: The punned down thickness shall be measured for payment.

Supply and lay Bricks, common burnt clay building bricks, sub–class "B", Designation 75 in trenches for cable protection complete all as specified and as directed.

S & F On-Load Changeover Switch, FP, 630 Amps, 415 Volts, 50 Hz, AC, Front Operated Handle, in sheet steel enclosure, with Advance Neutral and conforming to IS – 13947 [Part – 3] & IEC:60947–3 including taking down old Change Over Switch of any description complete all as specified and as directed.

BAKSHI BUILDERS PVT LTD

CIVILEC ENGINEERING WORKS

Mavee Syndicate

M/s SS Engineering Enterprises

Pavan Commercial Company

DPS sales and services india