PROVISION OF DEFICIENT DG SET FOR BUILDING NO. P-40 (MI ROOM), P-53 (DEC ROOM) AND P-19 (OPS ROOM) AT INS CIRCARS VISAKHAPATNAM

Amount

Supply, installing, testing and commissioning of 160 KVA / 128 KW diesel engine driven Generating set, with suitable number of cylinders as per recommendation of manufacturer, with alternator output Voltage 415 Volts +/- 1% at set value of 415 V at a frequency 50HZ +/- 0.5% with suitable standard control panel, all mounted in acoustic enclosure and AMF panel as per manufacturers design and specification and as per approved CPCB-IV norms confirming to the detailed specifications appended below :- Make of Engine :- Kirloskar / Greaves Cotton / Cummins (a) General: Suitable four stroke compressed ignition, radiator water cooled, Turbocharged aspiration, continuous duty with 10% overload capacity for any one hour in 12 hours running, 50°C intake air temperature, CPCB-IV approved Engine developing Suitable BHP at 1500 RPM coupled to alternator mounted on Channel Iron base frame with in-built fuel tank of OEM Recommended capacity The prime mover provided should be as per IS specifications. (b) Air intake system : Should comprise of dry type intake air filter mounted on engine, one in number vacuum indicator mounted on intake piping. (Contd...)

(c) Exhaust System: Should comprise of one exhaust manifold, dry type, mounted on engine, one exhaust silencer which should be positioned in such a way that the exhaust gas is not sucked by the fan on the radiator, thereby affecting the cooling system. The silencer should cater to the noise level tolerance prescribed in the relevant IS/BS. The silencer should be provided with flaps with a provision so that it will open only when the generator is running. The complete exhaust system shall be properly supported so that entire lot of the exhaust system shall not fall on the DG Set. (d) Fuel System: Should comprise of disposal type element fuel filter, pressure type fuel pump mounted on engine, non return check valve in fuel supply and drain lines, wire braided hose between filter and pump, fuel system with suitable capacity electronic governor and engine mounted actuator. The fuel tank must have proper locking arrangement with level indicator and to be integrated with base frame. (e) Cooling System: Should comprise of radiator designed and tested for 50ºC ambient temperature with 7 PSI pressure cap mounted on base rail. The thermostat installed in the engine coolant outlet, fresh water pump mounted on engine, fan and fan hub mounted on engine. A reservoir of 50% of radiator capacity to replenish coolant by gravity (as and when required) is also to be provided. (f) Lubricating System: Should comprise of lubricating oil sump mounted on engine, gear driven lub oil pump mounted on engine, lubricating oil cooler-fresh water cooled integral with engine cool out circuit mounted on engine, oil filter lubricating with cap and lubricating oil dip stick for oil level check mounted on engine. The system should be capable of feeding lube oil to the main end & large end bearings, cam shaft, valve rocker gear and all moving parts. (g) Starting System: Should comprise of suitable voltage DC electrical starter mounted on engine, with suitable Batteries of maintenance free of capacity as recommended by OEM to be mounted in trays (having rubber insulation) on the main frame or the capacity as per specification of manufacturer. It should have the provision to charge the battery from external sources during static condition and while running of the generator. (h) AC Generator : The generator shall be horizontal and foot mounted, minimum 160 KVA, 415 Volts, 3 phase, 4 wire, 0.8 PF, 50 HZ, self excited, self regulated, brushless AC generator, suitable for an ambient temperature of 50° C with IP-23 enclosure class H insulation and temperature rise limited to class H as per following technical details:- (Contd...)

(i) Type, Brush less AC Generators (ii) Output rating minimum 160 KVA (iii) Output Voltage: 415 ± .5% under all loading conditions. (iv) Output frequency 50Hz ±0.5% up to 0.8 lagging. (v) No of Phases: 3 phase with 01 Neutral (4 wire) (vi) Mounting: Horizontal foot mounted. (vii) Enclosure: Minimum IP-23 / Drip proof and screen protected. (viii) Automatic voltage regulator. (ix) Class of insulation-'H' Make of AC Generator :- Kirloskar / Stamford / Crompton Note:- Following shall deemed to be included in unit rate quoted by contractor against this item:- (i) Suitable size cement concrete foundation platform of canopy base with height as required at site to mount the generator as per manufacturer's instructions / recommendations. The cost of foundation bed incl earth work etc is deemed to be included in the quoted rate. (ii) Disconnecting existing cables, from existing panels and connecting cables, cables glands, cable lugs to new panel complete with all necessary accessories. (iii) Installing on the foundation, connecting fuel lines, cable etc. (iv) Testing and commissioning complete. (v) The cost of control cables from engine Control panel to AMF panel shall be deemed to be included in the cost quoted. (j) BASE FRAME: Shall be stand by and fabricated with CRCA sheet metal which shall be suitable to mount the engine, alternator and radiator, channel width of base frame shall be adequate to accommodate anti-vibration pads. (Contd...)

Supply, installing, testing and commissioning of 40 KVA / 32 KW diesel engine driven Generating set, with suitable number of cylinders as per recommendation of manufacturer, with alternator output Voltage 415 Volts +/- 1% at set value of 415 V at a frequency 50HZ +/- 0.5% with suitable standard control panel, all mounted in acoustic enclosure and AMF panel as per manufacturers design and specification and as per approved CPCB-IV norms confirming to the detailed specifications appended below :- Make of Engine :- Kirloskar / Greaves Cotton / Cummins (a) General: Suitable four stroke compressed ignition, radiator water cooled, Turbocharged aspiration, continuous duty with 10% overload capacity for any one hour in 12 hours running, 50°C intake air temperature, CPCB-IV approved Engine developing Suitable BHP at 1500 RPM coupled to alternator mounted on Channel Iron base frame with in-built fuel tank of OEM Recommended capacity. The prime mover provided should be as per IS specifications. (b) Air intake system : Should comprise of dry type intake air filter mounted on engine, one in number vacuum indicator mounted on intake piping. (contd...)

(c) Exhaust System: Should comprise of one exhaust manifold, dry type, mounted on engine, one exhaust silencer which should be positioned in such a way that the exhaust gas is not sucked by the fan on the radiator, thereby affecting the cooling system. The silencer should cater to the noise level tolerance prescribed in the relevant IS/BS. The silencer should be provided with flaps with a provision so that it will open only when the generator is running. The complete exhaust system shall be properly supported so that entire lot of the exhaust system shall not fall on the DG Set. (d) Fuel System: Should comprise of disposal type element fuel filter, pressure type fuel pump mounted on engine, non return check valve in fuel supply and drain lines, wire braided hose between filter and pump, fuel system with suitable capacity electronic governor and engine mounted actuator. The fuel tank must have proper locking arrangement with level indicator and to be integrated with base frame. (e) Cooling System: Should comprise of radiator designed and tested for 50ºC ambient temperature with 7 PSI pressure cap mounted on base rail. The thermostat installed in the engine coolant outlet, fresh water pump mounted on engine, fan and fan hub mounted on engine. A reservoir of 50% of radiator capacity to replenish coolant by gravity (as and when required) is also to be provided. (f) Lubricating System: Should comprise of lubricating oil sump mounted on engine, gear driven lub oil pump mounted on engine, lubricating oil cooler-fresh water cooled integral with engine cool out circuit mounted on engine, oil filter lubricating with cap and lubricating oil dip stick for oil level check mounted on engine. The system should be capable of feeding lube oil to the main end & large end bearings, cam shaft, valve rocker gear and all moving parts. (g) Starting System: Should comprise of suitable voltage DC electrical starter mounted on engine, with suitable Batteries of maintenance free of capacity as recommended by OEM to be mounted in trays (having rubber insulation) on the main frame or the capacity as per specification of manufacturer. It should have the provision to charge the battery from external sources during static condition and while running of the generator. (h) AC Generator : The generator shall be horizontal and foot mounted, minimum 40 KVA, 415 Volts, 3 phase, 4 wire, 0.8 PF, 50 HZ, self excited, self regulated, brushless AC generator, suitable for an ambient temperature of 50° C with IP-23 enclosure class H insulation and temperature rise limited to class H as per following technical details:- (Contd...)

(i) Type, Brush less AC Generators (ii) Output rating minimum 40 KVA (iii) Output Voltage: 415 ± .5% under all loading conditions. (iv) Output frequency 50Hz ±0.5% up to 0.8 lagging. (v) No of Phases: 3 phase with 01 Neutral (4 wire) (vi) Mounting: Horizontal foot mounted. (vii) Enclosure: Minimum IP-23 / Drip proof and screen protected. (viii) Automatic voltage regulator. (ix) Class of insulation-'H' Make of AC Generator :- Kirloskar / Stamford / Crompton NOTE : Following shall deemed to be included in unit rate quoted by contractor against this item:- (i) Suitable size cement concrete foundation platform of canopy base with height as required at site to mount the generator as per manufacturer's instructions / recommendations. The cost of foundation bed incl earth work etc is deemed to be included in the quoted rate. (ii) Disconnecting existing cables, from existing panels and connecting cables, cables glands, cable lugs to new panel complete with all necessary accessories. (iii) Installing on the foundation, connecting fuel lines, cable etc. (iv) Testing and commissioning complete. (v) The cost of control cables from engine Control panel to AMF panel shall be deemed to be included in the cost quoted. (j) BASE FRAME: Shall be stand by and fabricated with CRCA sheet metal which shall be suitable to mount the engine, alternator and radiator, channel width of base frame shall be adequate to accommodate anti-vibration pads. (Contd...)

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 of SSR Part-I, connected to earthing test point 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 light grade earth lead protection pipe, funnel, wire mesh, copper lugs, charcoal and common salt in alternate layer etc.

M&L earth continuity conductor or main earthing lead using 32 x 6 mm galvanised iron 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 for loop earthing etc. as required complete all as specified and directed.

Excavation in trenches, not exc 1.5 m wide and not exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out all excavated material in soft / loose soil complete all as specified and directed.

Returning, filling in and including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and as directed.

Removing of excavated surplus soil to a distance n. exc 50 m and depositing where directed at a level n. exc. 1.5 m above the starting point complete all as specified and directed.

M&L sand cushioning with clean and dry sand in trenches for protection of UG cable and including punning down complete all as specified and directed. Note:- Punned thickness shall only be measured and paid.

Supply & laying sub class 'B', class designation 75 bricks of old size, laid along alignment of cable as protection to cable in trenches complete all as specified and directed.

Supply & laying LT XLPE insulated, armoured heavy duty electric cable with alumimium conductor, 1100 volts grade, cross sectional area 185 Sqmm x 3.5 Core, laid in trenches / duct / on pole complete all as specified and directed. Make :- Havells / KEI / Polycab / Gloster / Finolex

All as per Sl Item No. 10.00 above but 50 Sqmm x 3.5 Core

S&F 100 mm bore galvanised steel tubing, medium grade with necessary fittings, laid under road crossing, for cable protection complete all as specified and directed. Make - Tata / Jindal Steel / Surya Roshni Ltd. / Bhushan Power & Steel Ltd. / M/s APL Apollo Tubes Ltd

All as per Sl Item No. 12.00 above but 50 mm bore

S&F cubical type LT panel board, outdoor type, factory made from CPRI approved factory, made out of 3.15 mm thick CRCA steel sheet and including MS angle iron 50 x 50 x 6 mm frame work, legs 0.6 m long, MC 100 channel base, totally enclosed, dust & vermin proof using neoprene rubber gasket (IP-54), double leaf door shutter in front side and single leaf shutter in rear side fixed with hinges having necessary locking arrangement in both front and rear door, with four side projected slanting roof, provided with louvers for ventilation / heat dissipation, duly powder coated of approved shade over a coat of red oxide primer both internally and externally and including mounting on PCC platform made out of PCC 1:3:6, 150 mm thick (100 mm below & 50 mm above GL) all round the panel board and including necessary earth work.

Boring holes horizontally under road, manually, in soft / loose soil, without cutting / disturbing the existing road surface, suitable for inserting pipe of n exc. 100 mm bore at a depth 0.75 m to 1.0 m from road surface for passing of UG cable, getting out and disposal of soil to a distance not exceeding 50 m complete all as specified and as directed. Note:- GI Pipe shall be measured and paid separately.

M&L for taking down carefully existing Inter Locking Paver Blocks of 60mm thick and relaying the same at different location including supply & laying a layer of 50mm thick sand at base of blocks complete all as specified and as directed by the Engineer-in-Charge.

SONI ENGINEERS CONTRACTORS

M/s.DSRK CONSTRUCTIONS

MONA GENERATOR SEVICES PVT. LTD.