Special Repairs for Replacement of BER Pump Sets at Naval Base under GE Utility - II, Visakhapatnam

Amount

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.

Dismantling existing BER Electric Driven Pump Set, 170 HP Capacity from the foundation, disconnecting all electric connections, demolition of existing PCC Foundation of any description, removing rubbish / debris to outside MD land and transporting the Pump Set to MES Store Yard including necessary T & P complete all as specified and as directed.

Dismantling existing BER Centrifugal / Monoblock Pump Sets from the foundation, disconnecting all electric connections, demolition of existing PCC Foundation of any description, removing rubbish / debris to outside MD land and transporting the Pump Set to MES Store Yard including necessary T & P complete all as specified and as directed.

Supply, Install, Testing and commissioning of Silent Diesel Engine driven Generating Set of Capacity 250 KVA / 200 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 250 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] MCCB, FP, 400 Amps – 1 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 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 400 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. 4: 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 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.

Supply, install, testing and commissioning of Electrically Driven Centrifugal Pump, Coupled with TEFC, 125 KW / 167 HP, 1485 RPM Motor, Horizontal Split Casing type, conforming to IS – 12469 with CI Casing, Bronze Impeller and Stainless Steel Shaft mounted on heavy duty bearings Suitable for continuous operation with Range of Operation 0 % to 150 % of rated capacity, suitable for operation 440 Volts, 3 Phase, 50 Hz, AC Supply, 76 LPS discharge at 125 metres Head including PCC 1:2:4, Type B1, using 20mm graded aggregate as in Foundation and including provision of suitable Starter Panel and connecting up with suitable size of copper conductor cable from Starter Panel to Pump complete all as specified and as directed. [Location of Installation: Booster Pump house, Pipeline Junction]

Supply, install, testing and commissioning of Electrically Driven Centrifugal Pump, Coupled with TEFC, 22 KW / 30 HP, 2940 RPM Motor, Horizontal End Suction type, conforming to IS – 12469 with CI Casing, Bronze Impeller and Stainless Steel Shaft mounted on heavy duty bearings Suitable for continuous operation with Range of Operation 0 % to 150 % of rated capacity, suitable for operation 440 Volts, 3 Phase, 50 Hz, AC Supply, 31 LPS [113 Cu.m / Hour] discharge at 50 metres Head including PCC 1:2:4, Type B1, using 20mm graded aggregate as in Foundation and provision of suitable Starter Panel and connecting up with suitable size of copper conductor cable from Starter Panel to Pump complete all as specified and as directed.

Supply, install, testing and commissioning of Electrically Driven Non-Clog Vertical Submersible Pump of 4 KW / 5 HP Capacity, 2850 RPM Motor with Chrome Steel Impeller and Cutter, Non-clog to pass 40mm size particles including supply, installation with guide rail and lifting chain, cables, earthing, testing complete, suitable for operation at a Head of range 6 to 21 metres with a discharge range of 270-30 LPM, IP 68 Protection with minimum operating temperature 40°C, suitable for operation 440 Volts, 3 Phase, 50 Hz, AC Supply, Delivery Casing, Impeller and Motor body made of Cast iron including provision of suitable Starter Panel and connecting up with suitable size of copper conductor cable from Starter Panel to Pump complete all as specified and as directed.

Supply, install, testing and commissioning of Electrically Driven Monoblock Pump Set, having Suction / Delivery of 50/40mm, 1.5 KW / 2 HP, 2800 RPM Motor with CI Casing, CI Impeller and Chrome Steel Shaft, Gland Packing, suitable for operation at a Head of range 8 to 34 metres with a discharge range of 4.1 to 0.5 LPS including provision of suitable Starter Panel and connecting up with suitable size of copper conductor cable from Starter Panel to Pump complete all as specified and as directed. [Location of Installation: Fleet Office at Naval Dockyard]

Supply, install, testing and commissioning of Electrically Driven Monoblock Pump Set, having Suction / Delivery of 65/50mm, 3.7 KW / 5 HP, 2900 RPM Motor with CI Casing, CI Impeller and Chrome Steel Shaft, Gland Packing, suitable for operation at a Head of range 36 to 52 metres with a discharge range of 4.1 to 2.0 LPS including provision of suitable Starter Panel and connecting up with suitable size of copper conductor cable from Starter Panel to Pump complete all as specified and as directed. [Location of Installation: Naval Officers Institute]

Supply, install, testing and commissioning of Electrically Driven Pump Set, Self Priming Coupled Set type having Suction / Delivery of 80/80mm, 5.5 KW / 7.5 HP, 2900 RPM Motor, Horizontal End Suction type, with CI Casing, CI Impeller and Chrome Steel Shaft, Gland Packing, suitable for operation at a Head of range 30 to 46 metres with a discharge range of 16.5 to 3.0 LPS including provision of suitable Starter Panel and connecting up with suitable size of copper conductor cable from Starter Panel to Pump complete all as specified and as directed. [Location of Installation: T-80 Sewage Pump house, T-325 Sewage Pump house at INS Circars and Sewage Pump house at Command Mess]

Supply, install, testing and commissioning of Electrically Driven Monoblock Pump Set, having Suction / Delivery of 65/50mm, 5.5 KW / 7.5 HP, 2900 RPM Motor with CI Casing, CI Impeller and Chrome Steel Shaft, Gland Packing, suitable for operation at a Head of range 36 to 52 metres with a discharge range of 8.6 to 4.5 LPS including provision of suitable Starter Panel and connecting up with suitable size of copper conductor cable from Starter Panel to Pump complete all as specified and as directed. [Location of Installation: Naval Officers Institute]

Supplying and laying MS ERW Pipe, 250 mm bore, Heavy Grade , conforming to IS – 3589 including all fittings laid in trenches or laid in floors or fixed to walls and ceilings including testing including taking down existing MS Pipe of any description and in any position complete all as specified and as directed.

Supplying and laying MS ERW Pipe, 200 mm bore, Heavy Grade , conforming to IS – 3589 including all fittings laid in trenches or laid in floors or fixed to walls and ceilings including testing including taking down existing MS Pipe of any description and in any position complete all as specified and as directed.

Supplying and laying MS ERW Pipe, 150 mm bore, Heavy Grade , conforming to IS – 1239 including all fittings laid in trenches or laid in floors or fixed to walls and ceilings including testing including taking down existing MS Pipe of any description and in any position complete all as specified and as directed.

Supplying and laying GI Water Tubing of 50 mm bore, Heavy Grade conforming to IS - 1239 [Part - 1] including all fittings such as bends, tees, short pieces, connectors, elbows, reducers, union, sockets etc. including all fittings laid in trenches or laid in floors or fixed to walls and ceilings including testing including taking down existing GI Pipe of any description and in any position complete all as specified and as directed.

Supplying and laying GI Water Tubing of 80 mm bore, Heavy Grade conforming to IS - 1239 [Part - 1] including all fittings such as bends, tees, short pieces, connectors, elbows, reducers, union, sockets etc. including all fittings laid in trenches or laid in floors or fixed to walls and ceilings including testing including taking down existing GI Pipe of any description and in any position complete all as specified and as directed.

S & F in repairs Foot Valve, Cast Iron Body, 250mm bore with Flanged ends of any pattern with Bypass Arrangement and Confirming to IS – 4038, ISI Marked including all Joints with Rubber Gasket and Jointing Materials, Bolts, Nuts, Washer complete all as specified and as directed.

S & F in repairs Foot Valve, Cast Iron Body, 150mm bore with Flanged ends of any pattern with Bypass Arrangement and Confirming to IS – 4038, ISI Marked including all Joints with Rubber Gasket and Jointing Materials, Bolts, Nuts, Washer complete all as specified and as directed.

S & F in repairs Foot Valve, Cast Iron Body, 80mm bore with Flanged ends of any pattern with Bypass Arrangement and Confirming to IS – 4038, ISI Marked including all Joints with Rubber Gasket and Jointing Materials, Bolts, Nuts, Washer 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, 50 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.

All as per Serial Item No. 20 above but of size 3½ Core, 95 Sq.mm and including taking down old LT Cables of any description complete all as specified and as directed.

All as per Serial Item No. 20 above but of size 3½ Core, 120 Sq.mm and including taking down old LT Cables of any description complete all as specified and as directed.

All as per Serial Item No. 20 above but of size 3½ Core, 185 Sq.mm and including taking down old LT Cables of any description complete all as specified and as directed.

All as per Serial Item No. 20 above but of size 3½ Core, 300 Sq.mm and including taking down old LT Cables of any description complete all as specified and as directed.

All as per Serial Item No. 20 above but of size 3½ Core, 400 Sq.mm and including taking down old LT Cables of any description 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, 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 On-Load Changeover Switch, FP, 630 Amps, 415 Volts, 50 Hz, AC, Front Operated Handle, in Sheet Steel Enclosure made of 2mm thick CRCA Sheet, 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.

Demolition of Cement Concrete of any description and in any position not otherwise specifically provided for and removing rubbish to a distance not exceeding 1.50 KM complete all as specified and as directed.

Surface excavation not exceeding 30 cm deep and averaging 15 cm deep and getting out in Soft / Loose soil complete all as specified and as directed.

M & L for Hardcore of gauge not exceeding 63mm of broken stones or boulders, deposited, spread and levelled in layers not exceeding 15 cm thick watered and rolled with power road roller of 8 to 12 ton capacity and consolidated to required gradient and camber complete all as specified.

M & L for 100 mm thick, PCC 1:2:4, Type B-2, using 40mm graded stone aggregate as in Floors / Hard standing / Path etc., surface finished fair and even complete all as specified and as directed.

Supplying and laying GI pipe, 80mm 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.

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.

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.

Prasad and Suresh Constructions

M/s SS Engineering Enterprises

M/s GOPALA KRISHNA ENGINEERING INDUSTRIE.

AYYAPPA CONSTRUCTIONS

M/s Saptagiri constructions

BHARATSHAH CONSTRUCTION CO

N K BUILDERS

vijetha enterprises

M/S SRI VENKATA BHAVANI CONSTRUCTIONS