SPECIAL REPAIRS REPLACEMENT OF AGAINST BER OLD DG SETS AND PUMPS AT NAVAL PARK AND NAUSENABAUGH UNDER AGE E M-II OF GE U-II VISAKHAPATNAM

Amount

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 CPCB - 04 Plus 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. with and including following:-

(A) ENGINE: Direct Injection, Turbo charged Water Cooled Engine, 6 Cylinder, in-line, 4 Stroke developing suitable BHP but not less than 387 HP [Gross Engine POwer] rated at 1500 RPM complete with provision of 10% over load for one hour conforming to BS – 5514 and comprising with following specifications: [i] In- line fuel pump with Electronic Governor. [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] 2x12 Volts Batteries, 180 AH Capacity or higher as recommended by OEM [xiii] First fill of Lub Oil. [xiv] Low exhaust emissio meets the CPCB IV Plus norms.

(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 capacity is 25% 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, 36 KA, 630 Amps – 1 Nos. [ii] Contactor, 4 Pole, 630 Amps capacity – 2 Nos for Phase and neutral [iii] Auto change over switch – 630 Amps [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 as per OEM recommendations – 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 900 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 as per OEM recommendations 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 Manufacturer's recommendations [ii] Operational, Spare Parts, & Installation Guidelines and Catalogue.

Notes for Item No. 1 above: Rate quoted is also deemed to be including for 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 with Anti-Vibration Mounting Pads complete 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 in presence of IEM or rep of Accepting Officer. [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.

[vii] DG Set shall be covered with Galvalume Sheet Roofing / Canopy of minimum size 6.0m X 3.0m X 3.50m with pre-painted Galvalume steel sheets of Trapezoidal profile having pitch 190mm, depth 29mm and thickness 0.50mm [Galvalume base-PPGL trapezoidal profile sheets], having tensile strength of 550 Mpa, fixed with aluminium self tapping screws, neoprene and EPDM washers of suitable size and using Mild Steel Tubular Trusses, Posts, Frame work etc. including special shaped washer etc. complete using ERW or induction butt welded tubes confirming to IS - 1161, Grade YST - 240, Medium Grade of approved sections complete all as directed and the rate quoted shall be deemed to be included for the same. [viii] Exhaust Pipe shall be insulated with 25mm thick Resin Bonded Fibre Glass Wool of density 32 kg/Cu.m 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. [ix] Disconnecting of electrical connection and taking out the existing DG set alongwith AMF panel and connected items and depositing the same to MES store yard as directed by the Engineer-in-Charge.

Supply, Install, Testing and commissioning of Silent Diesel Engine driven Generating Set of Capacity 500 KVA / 400 KW, 415 Volts, Three Phase, 4 Wire, Engine as per IS – 10001 / 10002 and Alternator as per IS – 13364, conforming to CPCB - 04 Plus 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. with and including following:-

(A) ENGINE: Direct Injection, Turbo charged Water Cooled Engine, 12 Cylinder, in-line, 4 Stroke developing suitable BHP but not less than 604 HP [Gross Engine POwer] rated at 1500 RPM complete with provision of 10% over load for one hour conforming to BS – 5514 and comprising with following specifications: [i] In- line fuel pump with Electronic Governor. [ii] Stainless Steel Exhaust Flexible Coupling and Exhaust Pipe duly insulated with Glass Fire Wool and Plain GI Sheet Cladding. [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] 2x12 Volts Batteries, 180 AH Capacity or higher as recommended by OEM [xiii] First fill of Lub Oil. [xiv] Low exhaust emissio meets the CPCB IV Plus norms.

(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 capacity is 25% 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] ACB, FP, 800 Amps – 1 Nos. [ii] Contactor, 4 Pole, 800 Amps capacity for Phase and neutral [iii] Auto change over switch – 800 Amps [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 as per OEM recommendations – 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 900 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 as per OEM recommendations 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 Manufacturer's recommendations [ii] Operational, Spare Parts, & Installation Guidelines and Catalogue.

Notes for Item No. 2 above: Rate quoted is also deemed to be including for 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 with Anti-Vibration Mounting Pads complete 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 in presence of IEM or rep of Accepting Officer. [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.

[vii] DG Set shall be covered with Galvalume Sheet Roofing / Canopy of minimum size 7.50m X 5.00m X 4.0m with pre-painted Galvalume steel sheets of Trapezoidal profile having pitch 190mm, depth 29mm and thickness 0.50mm [Galvalume base-PPGL trapezoidal profile sheets], having tensile strength of 550 Mpa, fixed with aluminium self tapping screws, neoprene and EPDM washers of suitable size and using Mild Steel Tubular Trusses, Posts, Frame work etc. including special shaped washer etc. complete using ERW or induction butt welded tubes confirming to IS - 1161, Grade YST - 240, Medium Grade of approved sections complete all as directed and the rate quoted shall be deemed to be included for the same. [viii] Exhaust Pipe shall be insulated with 25mm thick Resin Bonded Fibre Glass Wool of density 32 kg/Cu.m 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. [ix] Disconnecting of electrical connection and taking out the existing DG set alongwith AMF panel and connected items and depositing the same to MES store yard as directed by the Engineer-in-Charge.

Supply, install, testing and commissioning electric driven Horizontal multistage Split casing pump set suitable for 415 Volts, 3 Phase, 50 Hz system having capacity 60 HP, 125/100mm size for sution and delivery with capacity 50m head and 50 LPS discharge, bronze impeller including concrete foundation of suitable size as per OEM recommendations and necessary fixing arrangements like flange, reducer, sockets etc including disconnecting of electrical connection and taking out the existing Pump set with connected items and depositing the same to MES store yard as directed by the Engineer-in-Charge.

Supplying, Installing, Commissioning and Testing of CPRI Prototype tested, Platform Mounted, Dust and Vermin proof LT Cubical Panel Board, Compartmentalised, indoor type, fabricated with 3.15mm thick CRCA Sheet factory made and shall be given pre-treatment for degreasing, phosphatising etc. in seven tank process and shall be powder coated with RAL7035 coat with matt finish after due preparation of surfaces, aluminkum bus bar suitable for 3 phase, 4 wire, LT, 50 HZ AC 433 volts, 400 Amps capacity RYBN insulated with sleeved insulation complete with multifunctional meter LED type by showing Amps, Volts, frequency etc along with suitable size of CT on outgoing, indicating lamp RYB complete internal wiring with suitable sioze of PVC insulated copper conductor cable, including cable glands and lugs for incoming and outgoing cables as per required sizes, PCC platform made of PCC 1:2:4, type B–1 using 20mm grade stone aggregate of 300mm height from ground level with suitable nuts, bolts, washers to accommodate and comprising the following components complete all as specified and as directed by the Eb\ngineer-in-Charge:-

[a] MCCB, 250 Amps, FP, 36 KA, adjustable type with extended terminal - 01 No [Incoming] [b] MCCB, 125 Amps, FP, 36 KA, adjustable type with extended terminal - 02 Nos [Outgoing] [c] Soft starter of capacity 60 HP with in built contactor and relay - 02 Nos [d] MCB, TPN 40 Amps, 4 Pole, 16 KA - 02 Nos [e] Digital Multifunction Meter (KWH, Voltage, Ampere and frequency) - 01 Set [e] Colour Coded LED Phase Indicating Lamps for each Phase - 1 Set.

Supplying, laying and testing XLPE insulated and PVC sheathed, armoured heavy duty underground cable, ISI marked with aluminium stranded conductor 1100 Volt grade of size 3½ Core, 400 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. complete all as specified and as 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 dia 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. complete all as specified and as directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m deep in Soft / Loose soil for laying Cables, pipes etc. complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick 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 protection in trenches, levelled and punned down complete all as specified and as directed. [Note: The punned down thickness shall be measured for payment.]

Supplying and laying un–reinforced Precast Concrete Cable Cover, Class LV, Type 1, Flat, of size 300mm x 180mm x 40mm complete all as specified and as directed.

M/S CHANDRA ENGINEERS AND CONTRACTORS (BID ID -3128170)

M/s.DSRK CONSTRUCTIONS (BID ID -3128238)