REPAIR/ REPLACEMENT OF RECD DEVICE FOR DG SET AND OTHER CONNECTED ITEMS AT PALCHAN UNDER AGE (I) R and D MANALI

Amount

Supply, Installation, testing and commissioning Of type approved retrofit emission control device (RECD) suitable for existing DG set of capacity 50 KVA to reduce emission level as per latest CPCB norms. 1.1) Emission limits as per CPCB-II norms: Power Category: More than 19KW upto 75 KW:- Emission Limits: Particulate matter (PM 2.5) ≤ 0.3 g/kW-hr, Carbon Monoxide ≤ 3.5 g/kW-hr , NOx+HC ≤ 4.7 g/kW-hr, Smoke Limit (Light Absorption Coefficient, m^(-1)) ≤ 0.7 Power Category: More than 75KW upto 800 KW:- Emission Limits: Particulate matter (PM 2.5) ≤ 0.2 g/kW-hr, Carbon Monoxide ≤ 3.5 g/kW-hr , NOx+HC ≤ 4.0 g/kW-hr, Smoke Limit (Light Absorption Coefficient, m^(-1)) ≤ 0.7 1.2) Emission limits as per CPCB-IV+ norms: Power Category: More than 19KW upto 56 KW:- Emission Limits: Particulate matter (PM 2.5) ≤ 0.03 g/kW-hr, Carbon Monoxide ≤ 3.5 g/kW-hr , NOx+HC ≤ 4.7 g/kW-hr, Smoke Limit (Light Absorption Coefficient, m^(-1)) ≤ 0.7 Power Category: More than 56KW upto 560 KW:-

Emission Limits: Particulate matter (PM 2.5) ≤ 0.02 g/kW-hr, Carbon Monoxide ≤ 3.5 g/kW-hr , NOx ≤ 0.4 g/kW-hr, HC ≤ 0.19 g/kW-hr, Smoke Limit (Light Absorption Coefficient, m^(-1)) ≤ 0.7 1.3) RECD being installed on DG set must reduce the emission parameters through it within above specified limits of latest CPCB norms. RECD commissioning will be approved all as specified and as directed by Engr-in-Charge after production of test reports of the DG sets as per CPCB format by installation team OEM or by NABL approved Lab of emission of all parameters as specified above in CPCB norms of before installation and showing reduction in emission parameters after installation of RECD device as per latest CPCB emission limits. 2) Particulate Matter capturing efficiency: Minimum capturing efficiency of 70%, type approved by one of the five CPCB recognized labs. 3) RECD should be manufactured using various technologies such as Wet Scrubber, Electrostatic Percipitator (ESP) and Catalytic conversion. 4) Emission monitoring from stack shall be tested from any NABL approved Lab. 5) Insulation on emission device: Glass wool with aluminium cladding with 22G sheet. 6) RECD power requirement : Less than 1% of the capacity used for operation.

TEST REPORTS Certification :- Device should be ‘Type Approved’ as per the System and Procedure of Central Pollution Control Board for Emission Compliance Testing of Retro-fit Emission Control Devices (RECD) For Diesel Power Generating Set Engines. Test reports as per CPCB format has to be produced showing reduction in emission of above specified parameters along with noise reduction report. Adhering to this, RECD to be ‘Type Tested’ for an equivalent kVA family as per the System and Procedure from any one of the four Central Pollution Control Board, Govt, of India, recognized/approved test agencies/laboratories as given below: (a) Automotive Research Association of India (ARAI, Pune) (b) International Centre for Automotive Testing (ICAT, Manesar) (c) Indian Institute of Petroleum (IIP, Dehradun) (d) Vehicle Research Development Establishment (VRDE, Ahmednagar) (e) Indian Oil Corporation, Research and Development Centre (Faridabad, Haryana) Back Pressure due to the Emission Control retrofit device :- It shall have no effect on exhaust back pressure (as per the capacity of the DG set)

General Technical Requirements (GTR) / Commissioning :- a) Emission Control retrofit device shall be complete with safety precautions to ensure no damage should be done to the DG set operations under any circumstances. The Emission Control retrofit device should be closely coupled with the DG exhaust to ensure 100% of the exhaust passes through the Emission Control retrofit device. b) Anti-Vibration mountings shall be provided for complete Emission Control retrofit device in case of flexible coupling with the diesel generator exhaust. c )Emission Control retrofit device should have protection against under voltage, over voltage, under frequency, over frequency, low battery voltage, over current, earth-fault, short circuit, phase sequence change etc. d) The Emission Control retrofit device shall be with corrosion resistive and HR paint.

e) The OEM shall provide the trial run (Testing) of Emission Control retrofit device. The OEM shall conduct trial run of the Emission Control retrofit device with the available electrical load at site. The trial run shall be for min TWO hours. The electrical loading shall not be more than the rated capacity of the DG set. Test report has also to be provided by OEM or any Testing Agency accredited through NABL Lab for DG Testing that shows a reduction in emission limits of the DG set after installation of RECD device within the limits as prescribed above. (Before and After test reports have to be submitted compulsorily after the installation of RECD device) f) Exhaust piping, extra civil work, distribution board shall be installed as per OEM company g) Educating customer on usage, operation and maintenance to be done on installation by OEM. Scope of Installation :- a) Installation, testing and commissioning of Emission Control Retrofit Device is inclusive in the scope of supply and shall be done by the OEM along with electric control panel with necessary wiring and all its accessories for smooth operation of RECD with DG set. No by-pass arrangement in RECD allowed to let the pollutants in open environment. b) Construction of all suitable civil work, earthing station (if applicable) and necessary connections shall be done by contractor through OEM and no extra payment paid to contractor on this account.

Supply, installing, testing and commissioning factory made LT ( 415 Volts, 50 Hz , 3-phase, 4 wire supply ) CPRI approved, factory assembled LT Panel Outdoor type, platform mounted, suitable for 415 Volts 3 Phase and neutral, 4 wire, 50Hz AC supply system having bus bar chamber with insulated Aluminium bus bars of 500 Amps rating installed on DMC insulators with bus bar chamber. The panel shall be dust and vermin proof, ingress protection class ( IP-54 ) and made of 3.15 mm thick CRCA mild steel sheet and mild steel, Angle iron frame work made out of 40 X 40 X 5 mm ), front and rear opening type with proper ferrule & cable gland, internal wiring with PVC insulated multistranded copper conductor FR wire of adequate size but not less than 1.5 sqmm complete. All steel metal works including frame shall be with anticorrosive coating with seven tank process and finally epoxy polyester powder coating of Siemens grey shade 7035. embedded in ground with and including bocks of PCC 1:2:4 type B1 of block size 30x30x30 cm comprising of the following:-

OUTGOING SUPPLY :- (i) MCCB 100 Amps 25 KA 4 Pole with Adjustable thermal & fixed magnetic release 415 volts , 50Hz,=07 Nos., Make of MCCB :- L&T/ Siemens / Legrand/ HPL/ Havells. The panel manufacturer should have following Govt. Approved Certificates: 1. Panel should be according to IEC-61439. CPRI Certification Degree of Protection IP-54 (IS/IEC : 61439 (Part-1), 2011 & IS/IEC : 61439 (Part-2) 2011) 2. Tempreature Rise (IS/IEC : 61439-1, 2011 & IS/IEC : 61439-2 2011) 3. CPRI Short Circuit IEC-61439-1 & 2 withstand strenght should be 70kArms for 1.0 Sec with intial peak of 154kApk 4. CPRI Certification IEC-61439-1 & 2 Rated current for short circuit not less than 6300 A with rated insulation voltage 660V 5. ISO 9001 CERTIFIED

M&L Electrical Earthing complete with GI plate Electrode of size 60 Cm X 60 Cm X 6.3 mm thick burried directly in ground vertically at a depth not less than 2.25 mtr. below normal ground level, with top edge of earth plate at a depth not less than 1.5 mtr. below normal ground level , connected to Aluminum strip of size 25 X 3 mm earth lead by means of bolts, nuts and washers of galvanised iron , earth lead strip protected by means of 32 mm bore dia light grade GI pipe up to switch board / panel board , all as specified and shown in MES schedule Electrical Plate No:-5 of SSR Part I, including excavation and earth work in any type of siol , PCC 1 : 2 : 4 type C1 in chamber , RCC 1:2:4 type C1 40 mmthick cover slab with 6 mm dia MS bars at 100 mm centre to centre both ways,with 6 mm dia MS hook, Charcoal dust, salt , funnel for watering complete and testing the Earth resistence and writing on the chamber by paint all as specified and as directed.

Supply, lay cable in replacement in trenches, floors ,fix on wall/pole, passing through pipes etc.,LT UG cable , 1100 volts grade, PVC/ XLPE insulated , with multistranded aluminium conductors, armoured with galvanised steel wire or tape , of following nominal cross sections, confirming to IS specifications :-

(a) 3.5 Core 95 Sq.mm

(a) 3.5 Core 70 Sq.mm

POWER TECH ENGINEERS (BID ID -3360634)

M/S SUKHMANI ENGINEERS (BID ID -3370290)

M/s Trade Linker Associates (BID ID -3362440)