CA NO GE/ND-65/2022-23 SPL REPAIR TO BER DECLARED DG SET AT SANGLI APARTMENT AND SPECIAL REPAIRS/ REPLACEMENT OF LT PANEL OF VARUNIKA AND CONNECTED ACCESSORIES AT NSBI CHANAKYAPURI UNDER GE NEW DELHI

Amount

Supply, installation, Testing and commissioning of silent diesel engine driven generating set water cooled 415 Volt 3 Phase wire engine as per IS 10001/10002 and alternator as per IS 13364 complete with relay panel for automatic starting of main failure control panel having meter sound proof canopy and foundation as per coy recommendation etc of capacity 200 KVA , all as directed. The design of integrated acoustic enclosure should be of type approved by National Physical Laboratory as per Central Pollution Control Board (CPCB) latest norms/regulation with fuel tank, battery and standard accessories and fitting PCC foundation for (acoustic enclosure also 30 cm above ground level) as recommended by manufacturer. Vibration pad, sand cushioning around PCC foundation, tools and spares as provided by manufacturer all as specified and as directed with the following specification :- (A) ENGINE - Water cooled diesel engine of suitable capacity to match the 200 KVA alternator under NTP conditions with provision of 10% over load for 1 hour in every 12 hours running conforming to IS-10002 ISO 3046 BS 5514. The engine shall consist of the following :- (i) Fly Wheel (ii) Flexible coupling with guard (iii) Cooling fan (iv) Radiator with guard and water pump engine mounted (v) Dynamo of suitable capacity (vi) Air cleaner heavy duty dry

Item Ser No.1.00 contd...) (vii) fuel injecting pump(viii) Mechanical governor(ix) Fuel filter (Mounted) (x) Radiator fan (Blower type) with guard(xi) Lubricating of filters (Mounted)(xi) 12 Volt self regulating alternator belt driven by engine.(xii) Exhaust silencer heavy duty residential type. (xiv) Corrosion resistor/scale inhibitor (xv) Starter 12 VDC.(xvi) Lubricating Oil Cooler(xvii) Lubricating oil pump (Gear type) (xviii) Turbo charger (xix) Exhaust piping shall not be more than3.0 m with asbestos rope logging covered with aluminium foil caning.(xx) Instrument panel electronic type with fault memory complete to be installed inside the sound proof enclosure with :- (a) Auto/manual starting switch with key. (b) Lubricating oil temperature gauge (c) Lubricating oil pressure gauge.(d) Water temperature gauge (e) Battery charging ammeter.(f) Battery charging indicating lamp. (g) Hour meter with RPM indicator. (h) Safety control against low lubricating oil pressure. (j) Safety control against high temperature of water. (k) Over speed stop with double driven adopter. (l) Coolant solution. (m) Control against high temperature of water.

(Item Ser No.1.00 contd...) (B) BRUSH LESS ALTERNATOR :- (i) Alternator coupled to engine through a flexible coupling to an indigenous alternator mounted on strong steel fabricated base frame suitable for mounting on a permanent foundation brush less alternator shall be conforming to BS-2613 or relevant IS-4722. (ii) Type :- Self-excited self regulated with automatic voltage regulator.(iii) Rating :- 200 KVA at 0.8 PF lagging 4 pole horizontal at NTP condition.(iv) Speed - 1500 RPM(v) System :- 415 Volts + 2.5% AC - 3 phase 4 wire 50 HZ.(vi) Condition :- 4 wire star connected.(vii) Enclosure :- Screen protected drip proof(viii) Ventilation :- Self-ventilated.

(Item Ser No.1.00 contd...) (D) ONE SET OF ACCESSORIES COMPRISING OF :- (a) FUEL TANK : One No made of sheet steel 14 SWG and capacity to hold diesel sufficient for running 08 hours running at full load including :-(i) Level indicator of fuel tank(ii) Drain plug(iii) MS Class 'C' piping for inlet from pump to tank of engine (iv) Fuel strainer.(v) Fuel tank shall be mounted as per manufacturer's instructions. (b) SEMI ROTARY PUMP :- Manually operated fuel pump for filling diesel in the tank of adequate capacity with inlet connection to the tank with 5 m flexible hose pipe of suitable size heavy duty for suction of diesel from barrel. (c) BATTERY :-Heavy duty batted one No 12 V 180 AH connected to the system with multithreaded flexible copper lead 1.5 mtr long welded with battery terminals fully charged ready for lead complete all as specified. Make : Exide, Amaron (d) BASE PLATE :- Fabricated out of MS channel's and ISMC of suitable size suitable for fixing of DG set all as specified by the manufacturer. (e) TOOLS KIT :-(i) Box type spanner set consisting of 12 spanner - 01 Set.(ii) -do- but D/E ( 05 mm to 27 mm ) - 01 set.(iii) 1 year maint spare kit as per maint manual of manufacturer. Note :- (i) PCC foundation/platform shall be included in the above quoted rates. (ii)Dismantling of existing DG set DG Set Including Engine, alternator complete with control panel removing of electrical connection etc and shifting to MES store yard as per directed by Engr-In-Charge.

(Item Ser No.1.00 contd...) • Material of construction (Inner cells): SS-304• Testing requirements post manufacturing: ISO-8178 5 mode cycle for DG set up to 200 KVA as per CPCB guidelines• Testing requirements post installation at site: • Emission monitoring from stack will be done from any NABL approved lab.• Product life: 10-15 years• Insulation on emission devices: Glass Wool• Including Device installation & commissioning, Field piping fabrication & erection (If any), Civil foundation design & execution (If required), Painting of emission devices• Note: All the Aux. materials required for installation at site shall be supplied by the vendor.• Performance/characteristic curves at rated load: Under Vendor scope• Emission limit values: The retro fitted engine system shall not exceed the PM limits as specified in the NGT order. Reduction levels: 70% reduction in PM levels• Secondary Emissions: Vendor shall submit the declaration that there is no secondary emissions• Impact on engine back pressure: Any modification of engine operation parameters which might affect the engine baseline emissions must be kept within the limits as per the CPCB norms and guidelines.• Noise Emission: No increase in noise levels after retrofit device• Important: There should not be any BYPASS arrangement in RECD to let the pollutants bypass the RECD on any account.

Supply and lay cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 150 sq. mm 3.5 core.

Supply & Laying in trenches for road/plinth and fixing along with pole/wall GI Tube 80 mm light grade for protection of cable

Excavation in trenches in soft/loose soil not exceeding 1.5 mtr deep and not exceeding 1.5 mtr wide and getting out complete all as specified and directed.

Returning and filling in, including spreading, levelling, watering and well ramming in layers not exc. 25cm.

Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5m above the starting point in rocks.

M & L for dry screened river bed sand cushioning 8 cm before laying the cable and 15cm after laying the cable and further hand punned to form a uniform all as directed by Engr-in-Charge

M & L burnt bricks sub class B laying on the cable width wise on the sand cushioning.

M & L for plate earthing complete with galvanized mild steel plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground vertically (in earth pit not less than 2.25 meter deep below ground level) with the top edge of earth plate at a depth not less than 1.5 meter below normal ground level, the earth electrode surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15 cm on all sides and including GI strip 25x4 mm up to 7.50 RM bolted (with GI nuts, bolts & check nuts) and riveted to earth (Plate) electrode at one end and connected to main switch board / test point (including test point) at the other and watering GI pipe (medium grade) 20 mm bore from bottom of earth pit to top of electrode and 40 mm GI pipe light grade for earth strip protection complete with earth pit in PCC 1:2:4 type B0 using 12 mm graded crushed stone aggregate, RCC cover, funnel, wire mesh etc including necessary excavation and earth work in any type of soil, returning filling in and removal of surplus soil all as specified.

M&L in replacement earth continuity conductor or main earthing lead 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 as required 25x4 mm galvanised iron strip all as specified.

Supplying, fabrication, installation, testing and commissioning in replacement of LT panel not less than 3mm thick of size 2000X1835X700mm made out of modular polycarbonate thermoplastic enclosures outdoor type with copper bus bar of capacity 630A, factory made, CPRI approved, floor mounting type, environment friendly, recyclable, UV resistant, halogen and silicon free, anti-acid and anti corrosive, enclosure should be IP-65 Protection in accordance with IEC 60529.The gasket material shall be polyurethane while the gasket shall be internally embedded including suitable working space in bus bar chamber suitable for 3 phase 4 wire system 415V,50HZ,AC supply and fixed on raised PCC 1:2:4,type B1 (20mm graded aggregate) raised base with cable glands, phase indicators, internal wiring, CT of suitable Ratio, digital voltmeter and ammeter, air passing holes with proper spacing to accommodate to all control switches and other accessories, cable connections with suitable size of lugs/thimble etc including suitable size canopy to cover the panel with proper fixing arrangement including excavation and earth work including dismantling the unserviceable panel and comprising the followings. Incoming:- (a) MCCB 400 Amps 3 Pole,36 KA- 01 No (b) Rotary handle- 01 No (C) spreader Link- 01 set( 06 Pcs) (d) RYB Indicating lamp (e) Digital Voltmeter and ammeter of suitable rating (f) set of CT of ratio - 400/05 Amps Outgoing:- (a) MCCB 63 Amps 3 pole,25 KA- 09 Nos (b) Rotary Handle-09 Nos (c) space for 02 spare MCCB of 100 Amps

Note:-. 1. The manufacturer of board / panel shall submit a copy of type test report of a board made out of Polycarbonate thermoplastic panel in accordance with IEC 60 439-1 and IEC 61 439-2 for power switchgear and control gear assembly. The contractor must be submitted routine test certificate from manufacturer/principal company in accordance with IEC 60 439-1. The type test report as per CPRI (in accordance with IEC 60 439-1) should consist with following: i) Degree of protection of system ii) Temperature Rise Limit iii) Dielectric Properties iv) Short Circuit Withstand Strength v) Effectiveness of protective circuit vi) Clearance and creepage distance vii) Mechanical Operation 2. For better safety the Polycarbonate encl shall be fire retardant & self-extinguishing in accordance with IEC 60 695-2-1, DIN VDE 0304 Part 3, UL Subject 94 for Flammability V-2. It should be tested at Glow Wire test for 960 deg. Cent. 3. The impact strength of polycarbonate enclosures / boards i.e. the Degree of Protection against Mechanical load shall be in accordance with EN 50298-98 for IK 08. 4. The board manufacturer must submit the copy of type test reports for Polycarbonate Thermoplastic Board only. Test Reports submitted of other material of construction like MS, SS will not be applicable. 5.The quoted rate includes the excavation, earth work and required base for fixing the complete panel. Make:- Hensel/Rittal/Siemens.

Supply ,installation and commissioning in replacement of compact EZO switch disconnector fuse box suitable for fuses of capacity 800 Amps 415 V, 50 HZ,4 pole with cubical mounting panel sheet steel enclosure with open execution all as specified and directed by Engr-In-Charge.

M & L for laying XLPE insulated armoured cable (heavy duty) electric cable with aluminium stranded conductor 1100 volts grade of 400 X 3.5 sqmm size and taking down of old unserviceable cable of any size all as specified and directed by Engr-in-charge.

M&L for Earthing complete with copper earth plate 600x600x3.15mm thick, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate n.less than 1.5 m below normal ground level, connected to copper strip of 20X3mm as earthing lead by means of bolts, nuts, check nuts & washers of galvanized iron or steel besides building at all joints as shown in drgs and including excavation and earth work, GI pipe light grade 25mm bore of protection of GI wire from earth electrode, supply and laying charcoal dust, common salt, PCC (1:2:4) type B-1 Chamber and MS angle iron frame 40x40x3mm and RCC cover 40 mm thick (1:2:4) type B-1using 20 mm graded stone aggregate Reinforced with 6 mm dia round bars @ 75 mm C/C both ways with MS handle 12 mm dia , PGI funnel and wire mesh , 20 mm dia GI Pipe light grade for watering complete all as shown in drg and connected to earth test point including testing and taking down old U/S earthing all as directed by Engr-in-Charge.

NEERU ELECTRICALS

Surjit and Sons