Supply,installation,testing and commissioning of Retrofitted Emission Control Devices(RECD) and Dual Fuel Kit (DieselGas)for existing 1no.320KVA, 1no.250KVA DGSet in Township Site and 1no.250KVA DGSet in Campus Site of GCNEP,Bahadurgarh Site Haryana

Amount

Section

SECTION - I :Retrofitted Emission Control Devices (RECD)

SECTION - II : Dual Fuel Kits

SECTION - III : LT Cables and End Joints

SECTION - IV : Maintenance free Earthing system

SECTION - V : Miscellaneous Items

SECTION - VI : CIVIL WORK (refer SPECIFICATIONS FOR CIVIL WORKS – 2023)

Description of Work / Item(s)

Amount

RECD: Supply, Installation, Testing and Commissioning of class-I type Retrofitted Emission Control Device compatable with the existing DG set of M/s. Sudhir generator make. The devices shall be in compliant with latest CPCB norms and shall have type approval certification from CPCB appoved labs suitable for existing DG set model/ engine. The minimum PM particle capturing efficiency shall be more than 70% or as per latest CPCB/ CAQM guidelines which ever is better and as per statutory requirements. The technical data sheets shall be submitted to department for approval. Note:1) The scope shall include supply of control unit which shall not consume more than 1% of the DG power (in kW), the necessary mounting accessories shall be included in the scope. 2) A valid Type approval certificate from any of the authorised test agencies by CPCB of the required capacity of DG set shall be submitted for approval. 3) Any additional exhaust piping and cladding etc. work shall be included in 'Exhaust Piping item'. 4)The MS support for mounting of RECD piping etc. shall be included in 'MS fabrication item' of 'Miscellaneous section'. 5) The air quality of diesel exhast gas shall be tested after the installation of RECD is completed to verify the PM capturing efficiency, the cost of testing of all the RECD shall be included in the scope of item. 6) The cabling work necessary between RECD and its control unit shall be included in this scope. Power supply cables to RECD & control units shall be included in 'LT cable section'. 7) The scope shall include fuel/oil and load bank required for operation of DG set during testing of RECD devices for min 30min or as per manufacturer recommendations. 8) The scope shall include dismantling of existing silencer it's cladding work, existing piping work & cladding work, unloading, shifting, lifting and reinstallation work etc. if required. 9) The exhaust back pressure shall be checked after installation of RECD and it shall be within specified limits given by the manufacturers recommendations. 10)The scope includes obtaining approval from latest CPCB/PWD/state govt & other statutory bodies as applicable.

RECD suitable for 320kVA DG set of M/s Sudhir genset make

RECD suitable for 250kVA DG set of M/s Sudhir genset make

Exhaust Piping:Supply, installation, testing and commissioning of following MS exhaust piping, heavy duty class-B complete with all accessories such as bends flanges, flexible connections, bellows at a suitable distance etc. and insulated with 75 mm thick layer of LRB rock wool having 96 kg/m3 density, cladding with 24 gauge aluminium sheet all-round the exhaust pipe complete as required at site indoor and outdoor, exhaust piping shall be extended above S/S building height as per as per MoEF/CPCB norm including MS supports properly painted,fixing of residential grade silencers, flexible bellows complete as per technical specifications & instructions of EIC.

200 mm dia ( I/D)

Buffer Fuel Tank: Supply, installation, testing and commissioning of 990 liters capacity buffer & Day Fuel Tanks, fabricated from 3 mm thick M.S. sheets including the cost of removable cover with locking arrangement, painting and also providing all the required appurtenances like inlet and outlet connections, float valves, drain connection, overflow connection to oil sump, Prismatic oil level indicator and including the cost of support arrangement etc. complete as required for 320kVA DG set in Township site. Note- 1) The Buffer tank shall be installed near 320kVA DG set, the MS fabrication for installation shall be included in relevant item of Miscellaneous item. 2) The tank, pipe and all other fuel piping items shall be duly painted as per statutory requirments. 3) The scope shall include supply of diesel hand fuel transfer pump for transfer of fuel.

Fuel piping : Supply, laying testing and commissioning of Oil piping with heavy duty MS pipes as per IS 1239, laid between existing fuel tank and buffer tank on the ground including the cost of bends, supports, clamps etc. and including the cost of surface preparation of pipes, application of corrosion protection tape similar to Pypekote' and wrapping of rust preventing tape complete as per specification, as required and as below. Note: 1)The fuel piping shall be duly painted as per statutory requirments. 2) The scope shall include drilling hole in existing day fuel tank, fuel pipe etc. for interconnection of fuel piping

25 NB (from buffer tank to day tank, Overflow piping to return line)

25 NB ball valves

Description of Work / Item(s)

Amount

Dual Fuel Kit : Supply, Installation, testing & commissioning of Dual fuel kit for existing 1no.320kVA DG and 2nos. 250kVA DG set of M/s Sudhir genset make. Note: 1) The dual fuel kit shall be in compliant with latest CPCB and CAQM (Committee for Air Quality Management for Delhi & NCR region) i.e. 70% Gas+ 30% Diesel as fuel. 2) It shall be compatable for PNC,CNG, LNG,CBM, Bio-gas etc type of gas fuel. 3) The SITC of dual fuel kit must be done by M/s Cummins authorised DG-OEM or DG-OEM authorised dealer. 4) The scope shall include all the necessary valves, fuel gas pressure gauge, pressure regulator,Zero pressure regulator, gas filter, air gas mixer, gas shutoff valve, gas adjustable valve, necessary piping from gas train to gas mixer and gas mixer unit, sensor like gas pressure sensor, intake pressure sensor, intake manifold temperaure sensor, exhaust gas temperature sensor, vibration sensor etc. and electronic controller/control panel inluding PLC/controller, HMI, switch/button and wiring etc. 5) It shall capable to operate on only diesel incase non availability of gas.

Dual fuel kit suitable for M/s Sudhir genset 320kVA DG set

Dual fuel kit suitable for M/s Sudhir genset 250kVA DG set

Description of Work / Item(s)

Amount

L.T Cables:Supply, installation, testing & commissioning of 1.1 KV grade aluminium/ Cu stranded circular/ sector shape core conductor with XLPE insulation, extruded PVC inner sheathed, G.I flat strip/wire armoured, extruded FRLS grade antirodent & anti termite PVC (ST-2)outer sheathed cable conforming to IS : 1554 Part I / IS 7098 Part-I with latest amendments, fixed on wall/ column/slab /false ceiling / existing cable tray /existing hume pipe/trench/ shaft/pit/ on 5mm thick M.S. flat /GI spacer/angle/ support fixed with coach screws/grouted in wall/anchor fasteners 2mm. thick G.I. fabricated saddle, all fixing accessories, etc complete including painting of M.S spacers/angles and saddles or in ground , sand bedding, laying of baked bricks on side & top-, temporary reinstatement, back filling, dewatering, consolidation, disposal of excess earth within the radius of 500 m and making good to the original finish etc providing Al cable tag as per enclosed detailed specifications, drawings & as per instructions of the E-I-C & of the following sizes. NOTE: 1) Sealing of hume pipes with wooden bushes after cable laying shall be included in the scope of work. 2) Clamping of cables on trays including supply of clamping materials as per instruction of EIC shall be included in the scope of work.

4C x 6 Sq.mm Al. conductor cable

3C x 2.5 Sq.mm Cu. conductor cable

LT Cables End Joints-End jointing of following sizes of cable by crimping with supply of all jointing materials like solderless tinned copper cable socket,double compression brass cable glands, gland earthing, insulation tape, flux, duplicate interconnection between gland earthing strip & to the nearest earthing bus terminals as per the drawings, specifications and as per the instructions of the Engineer-in-charge.

4C x 6 Sq.mm Al. conductor cable

3C x 2.5 Sq.mm Cu. conductor cable

Description of Work / Item(s)

Amount

Supply,installation,testing & commissioning of maintenance free earthing system & associated works, etc. complete as per specifications & instructions of E-I-C. NOTE: 1) Measurement of resistance of earthing grid must be carried out as per instructions of EIC.

Providing and making earth station comprising of 17 mm dia 3m long earthing electrode of high tensile low carbon steel rod molecularly bonded 250 micron copper coating on the outer surface, filling bore with suitable earth enhancement compound as per IEC 62561-7 & manufacturer's standard, surrounding the earth electrode complete with all required materials & instructions of EIC. Note: The scope includes :- 1) Installation of earth rods including making pit/ drilling 150 mm dia, 3m deep bore holes in normal soil/ hard rock as permanufacturer's recommendations & design. 2) Exothermic welding of joints between earth electrode & GI / tinned Cu strip and between GI / tinned Cu strips, used for interconnection of earth electrodes. 3) Each earth electrode shall be provided with poly plastic inspection chamber with cover as per OEM standard.

Supply & installation of 50 x 6mm & 150 mm long heavily hot dipped GI equipotential bar inside existing concrete chamber (600 x 600 x 600 mm) as per instructions of EIC. Note: 1) The date of testing and earth resistance value shall be written on the cover with black base with yellow paint. 2) The concrete chamber shall be measured under relevant items of RCC work of civil section & MS hinged cover under MS fabrications item of relevant section

G.I / tinned Cu earth wire/earth strip fixed on wall/side of trench/slab /column /beam/ shaft connection to panel/DBs/SFU's etc. with 5mm thick G.I. Spacers & 2mm thick G.I. Saddle or in ground at 500 mm below with earth enhancing material surrounding the strip, including excavation in ground, refilling & removal of excess earth within a radius of 500 m, temporary instatement & back filling of trench, consolidation, painting with two coats of black bituminous paint for earth wire/ strip in ground & green enamel paint for earth wire /strip on surface etc. NOTE: 1) Excavation of earth shall be measured under relevant item of Civil section

50 X 6 mm GI strip

8 SWG tinned Cu earth wire

Description of Work / Item(s)

Amount

M. S. Boxes : Fabrication, supply and installation of M.S. supports / boxes as per specification.

MS Fabrication : Supply, fabrication and installation of supports using MS channel/angle/flat/MS rod hangers etc. including painting with two coats of primer and two coats of epoxy paint of approved shade as per instructions of EIC.

B-Check of 750kVA DG set- Complete B-check maintenance of existing 750kVA DG set of M/s Sudhir Gensets through authorised dealer only. The B-check shall include following scope: 1)Replacement of lubricating oil, all lube oil filters and oil bypass filters. 2) Replacement of all Fuel filter, fuel-water separator, cleaning of fuel strainer, fuel tank breather etc. 3) Replacement of air cleaner/filters, checking of vacuum indicator 4) Replacement of engine coolant (corrosion inhibitor) and its filters 5) Checking of battery condition, terminals and contacts cleaning. 6) Check hoses of cooling system, fan drive belt etc. 7) The DG testing after completion of B-check.

Description of Work / Item(s)

Amount

In all soil other than soft and hard rock

In soft rock

In hard rock by chiselling or by using machine such as poclain with jack hammer etc.

Cement concrete of specified grades at all locations & depths for the following works using graded stone aggregate of 20mm maximum size including necessary form work, machine mixing, transporting, placing in position consolidation, finishing, curing etc. complete as per specifications, drawings & as directed by the Engineer in charge. Nominal Reinforcement if provided shall be measured & paid under relevent item.

P C C M-10 grade in bed concrete to pile caps, foundations, pedestal etc.

Reinforced Cement Concrete (RCC) : Notes: i) Cement for structural works shall be OPC/PPC ISI marked and duly approved by the Engineer-in-charge ii) PPC/blended cement of ISI marked shall only be used for finishing works on prior approval of Engineer-in-charge iii) All RCC work shall be controlled concrete unless otherwise specified and shall be carried out strictly in accordance with the drawings and specifications. iv)The rates for RCC works shall be exclusive of cost of reinforcement and form work unless otherwise mentioned. v) All coarse aggregate to be of 20mm. maximum size & uniformly graded unless otherwise mentioned. vi) For all RCC items, the rates quoted shall include the following without any extra cost to the Department. a)Spacers to maintain clear cover for reinforcement. b)Fixing at correct level and in proper alignment the inserts, pipe sleeves, pipe bends, hooks, other pipe specials etc. supplied by / through the dept. c) Making cutout whereever required including cutting the form works etc. d)Test for Concrete shall be done as per IS 456-2000. and the cost of the same shall be borne by the contractor.

Reinforced Cement Concrete of grade M-30 in foundation and plinth in all geometrical shapes at all levels and locations conformining to I.S. 456-2000 and 13920 latest edition, using 20mm. maximum size down graded stone aggregate including machine mixing, conveying, placing in position, mechanical consolidation, finishing the exposed surfaces with 6 mm thick cement plaster 1:4 with neat coat of cement mortar, curing, including centring shuttering etc. all complete as per specifications drawings and as directed by the Engineer in charge

Reinforcement for RCC work including supplying, delivering, storing of various diameters as required at site of work including loading, unloading, transporting, decoiling, straightening, cutting, bending, placing in position at all locations & levels and binding with 18 gauge, soft drawn annealed steel binding wire including carrying out various tests as required etc. all as per specifications, drawings & as directed by the Engineer in charge.

Thermo Mechanically Treated bars of grade Fe-500 D. Note: The cost of binding wire shall be borne by the contractor and binding wire shall not be measured for payment.