SPECIAL REPAIR / REPLACEMENT OF BER DG SET AT TRANSMITTING STATION AT DOLPHIN HILL UNDER AGE E/M NO-III OF GE (U-I) VISAKHAPATNAM

Amount

NOTES / INSTRUCTIONS FOR STRICT COMPLIANCE :- (a) The contractor shall obtain sample approval for all materials incorporating in the work as per condition 10 of IAFW-2249 and Special Condition 11 of tender document mentioned here-in-after. (b) The Engineer-in-charge may direct the contractor in writing to procure and deposit up to 50% quantity of the material with in 30 days from the date of commencment as required at site out of quantity to complete the scope of work. Remaining 50% shall be procured as per site requirement during progress of work.The decision shall be final and binding on the contractor. (c) The contractor shall deposit the procured material to the store of concerned subdivision within 30 days from the receipt of written direction. Failing which contractor shall liable to pay a penal recovery of Rs. 5000/- per week, levied on the dues of contractor, subject to maximum up to 10% of the work done/CA Amount whichever is higher. (d)The contractor shall obtain approval of “Qualified Tradesman” as per condition 26 of IAFW-2249 before commencement of work at site and shall have sufficient manpower such as Electrician / FGM / Technician etc., readily available to meet the site requirement during emergency situation as per directions of Engineer-in-Charge. (e) The quoted rates shall be inclusive of cost of necessary Tools, Plants, Safety Equipments, Machinery etc., as per site requirement.

Taking down and dismantling of old unserviceable Diesel Engine unit of any type and capacity and deposited in AGE E/M MES Yard complete all as specified and as directed.

Supply, Install, Testing and commissioning of Silent Diesel Engine driven Generating Set of Capacity 320 KVA/256 KW, 415 Volts, Three Phase, 4 Wire, Engine as per IS-10001/10002 and Alternator as per IS-13364, conforming to latest CPCB-IV 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 complete : -

A. ENGINE:- Direct Injection, Turbo charged Water Cooled Engine, 4 Cylinder, in-line, 4 Stroke developing suitable BHP but not less than 310.2 HP(Gross Engine Power) @ 1500 RPM complete with a provision of 10% over load for one hour,conforming to BS-5514 and having following specifications: [i] In-line fuel pump with Electronic Governor for [ii] Stainless Steel Exhaust Flexible Coupling and Exhaust Pipe duly insulated with Glass Fire Wool and Plain GI Sheet Cladding & extended outside the building. [iii] Silencer [iv] Radiator [v] Coolant Inhibitor [vi] Plate type Lub Oil Cooler [vii] Spin-On-Filters-Coolant, Fuel, Fuel & Lub Oil [viii] Dry type, Heavy Duty, Replaceable Paper Element Air Cleaner with Restriction Indicator [ix] Flywheel Housing and Flywheel to suit Single Bearing Alternator [x] Electrical Starter Motor [xi] Battery Charging Alternator [xii] 1 X 12 Volts Batteries, 180 AH or higher capacity as recommended by OEM. [xiii] First fill of Lub Oil.

B. ALTERNATOR: [i] Self Excited & Self Regulated [ii] Voltage Regulation ± 1% [iii] Class H Insulation [iv] 4 Pole rotating Field [v] Digital Automatic Voltage Regulator [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. (x) Unbalanced load capability is 25 percent of rated power.

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] MCCB, FP, 400 Amps - 3 Nos. [ii] Contactor, 4 Pole, 400 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, Battery charger 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 160 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 600 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 but not less than 400 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. 3.00 : Quoted rate shall deemed to be inclusive of followings: [i] Provision of 200mm thick PCC (1:1.5:3), 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 16 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 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 or rep of accepting officer. [iii] Artificial load in. 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. [vii] Exhaust Pipe shall be insulated with 25mm thick Resin Bonded Fibre Glass Wool of density 32 kg/Cum and wrapped with 24 SWG Aluminium sheet duly painted with approved colour & quality complete as per ISO 8528 and 3046/BS 5514 Specification and IS-4722 and IS-1460 complete all as specified. [viii] Dismantling of old foundation complete all as specified.

Supply & fixing XLPE/PVC insulated, armoured heavy duty electric cable with alumimium conductor, 1100 volts grade, cross sectional area 300 Sqmm x 3.5 / 4 Core, laid in trenches / duct / on pole including taking down existing un-serviceable cable complete all as specified and directed.

M&L end termination joint (indoor/outdoor) heat shrinkable type complete with jointing materials and accessories, suitable for 1.1 KV, 3.5 / 4 core XLPE aluminium conductor cable of size 300 Sqmm including taking down un-serviceable joint kit complete all as specified and directed.

M&L earthing complete with galvanised steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground in vertical position (earth pit not less than 2.25 m deep below the normal ground level) with top edge of the earth plate not less than 1.5 m below normal ground level, connected to earth lead of galvanised iron strip 32 x 6 mm 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 including dismantling existing un-serviceable earthing complete all as specified and directed. Note:- The unit rate shall also include for earth work in any type of soil, PCC 1:3:6 type C1 chamber, RCC 1:1.5:3, type A1 cover slab, 50 mm thick reinforced with 8 mm dia TMT bar @ 140 mm C/C both ways, 10 mm dia plain bar lifting handle embedded in cover slab, Main earthing lead from earth electrode to test point upto 7.5 m length, 20 mm bore medium grade GI watering pipe, 40 mm bore GI medium grade earth lead protection pipe, funnel, wire mesh, copper lugs, charcoal and common salt in alternate layer etc.

S&F earth continuity conductor or main earthing lead using 32 x 6 mm GI strip, 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 with saddles and fixing screws etc. for roof conductors and down conductors above ground etc. as required complete all as specified and directed.

MSN ENGINEERING WORKS (BID ID -3483590)

AARAV POWER CONTROLS (BID ID -3510485)

Deccan Enterprises (BID ID -3488711)

M/s.DSRK CONSTRUCTIONS (BID ID -3497406)

Vijaypower Generators Limited (BID ID -3510925)

MONA GENERATOR SEVICES PVT. LTD. (BID ID -3482128)

Power Dynamics (BID ID -3509595)

SVLN ENGINEERING (BID ID -3492158)