REPLACEMENT OF DG SET SILENCER WITH RETROFIT EMISSION CONTROL DEVICE IN DG SETS OF ELECTRIC AND WATER SUPPLY INSTALLATION AND PROVN OF SECURITY LIGHT AND AC AT JUTOGH AND MH SHIMLA UNDER GE (I) JUTOGH

Supply, Installation, testing and commissioning of retrofit emission control device (RECD) based on catalytic conversion technology for 160 KVA diesel generator of make Kirloskar set suitable to reduce particular matter (PM 2.5), Carbon Monoxide and Hydrocarbons emitted from Diesel Engine. Retrofit device is to be installed in place of existing silencer. No soot is to be collected in the retrofit device. The device including enclosure should include an Oxidation chamber and Passive Regeneration Trap. RECD shall be suitable to reduce Minimum Particular Matter Reduction 85%, Minimum Carbon Monoxide Reduction 90% and Minimum Hydrocarbon Reduction 90%. Maximum back pressure exerted by the Emission Control retrofit device at maximum prescribed load by DG OEM (as per the capacity of the DG set) should be under limit and display panel to be provided for back pressure and exhaust temperature limit complete all as specified and directed. Make of RECD: Manufacturer certified for RECD's applicable to DG Engine as per CPCB norms.

(v) 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 Dated 01/02/2022, vide Pollution Control Series PCLS/ 12/2021-22. 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, Pune (Maharashtra) (b) International Centre for Automotive Technology, Manesar (Haryana) (c) Indian Oil Corporation, Research and Development Centre, Faridabad (Haryana) (d) Indian Institute of Petroleum, Dehradun (Uttarakhand) (e) Vehicle Research Development Establishment, Ahmednagar (Maharashtra)

(vi) 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 copied 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, new 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 contractor shall provide the trial run (Testing) of Emission Control retrofit device. The contractor shall conduct trial run of the Emission Control retrofit device with the available electrical load at site. The trial run shall be for Two hours. The electrical loading shall not be more than the rated capacity of the DG set. (f) Exhaust piping, civil work, distribution board and other any mounting/accessories shall be provided by the contractor and shall be included in quoted rates.

All as per Sri Item No. 1.00 here in before but for capacity 125 KVA DG Set of make Greaves Cotton any vintage.

All as per Sri Item No. 1.00 here in before but for capacity 100 KVA DG Set of make Greaves Cotton any vintage.

Supplying installation, testing and commissioning of Retrofit Emission Control Device Each (RECD) in existing 630 KVA DG set by welding of suitable size of angle iron not less than Job 50x50x6mm for support structure and suitable size ladder including cutting of old Silencer/muffler without damaging Diesel Generator set and fixing of new Retrofit Emission Control Device by making necessary modifications and painting the new assembly to match existing colour of DG set including necessary control wiring & civil works, complete all as specified and directed.

The technical specification and certificate shall be as under:- (a) Technology: DPF (Diesel Particulate filter), wet scrubbing, Diesel oxides catalyst type. Device must be made of stainless steel. (b) Guaranteed specified particular matter (PM2.5) carbon monoxide, Hydrocarbon reduction efficiency minimum 70% for DG Set. (c) Maximum back pressure of 8.500 Pa exerted by the Retrofit Emission Control Device at maximum prescribed load by 630 KVA DG set. Necessary precaution to be taken in Exhaust scheme design to avoid condensate/steam back entry to DG set which is not in operation. (d) General Technical requirements for Commissioning of Retrofit Emission Control Device (RECD). Make: KOEL, Mahindra, Cummins or as approved by E-in-Cs Branch. Note : i) Retrofit Emission Control Device shall be complete with safety precautions to ensure no damage is done to the DG set operation under any circumstances. The Retrofit Emission Control Device shall be closely coupled with the DG Exhaust to ensure 100% of the exhaust passes through the Device. (ii) Anti-vibration mounting shall be provided for complete Retrofit Emission Control Device in case of flexible coupling with the diesel generator exhaust.

(iii) Retrofit Emission Control Device should have protection against under voltage, under / over frequency, low battery voltage, over current, earth fault, short circuit, phase sequence change etc.. (iv) Automatic main failure (AMF) control panel, where applicable, shall be able to start up the Retrofit Emission Control Device without requiring any human intervention. Similarly on restoration of main supply, it shall be able to turn off automatically. (v) The Retrofit Emission Control Device shall be with corrosion resistive and heat resistance paint. (vi) The installation work of Retrofit Emission Control Device to follow the advisory as per E-in-C Branch letter No A/37696/Gen/Pol/E2W(PPC) dt 29 Jan 2022. (vi) General Technical Requirements (GTR) Commissioning shall be:- (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 copied 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, new 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 contractor shall provide the trial run (Testing) of Emission Control retrofit device. The contractor shall conduct trial run of the Emission Control retrofit device with the available electrical load at site. The trial run shall be for Two hours. The electrical loading shall not be more than the rated capacity of the DG set. (f) Exhaust piping, civil work, distribution board and other any mounting/accessories shall be provided by the contractor and shall be included in quoted rates.

Supply, installation and testing of Hot and cold AC 1.5 TR, 3 star rating, 230 Volts, 50 Hz, ISEER rating minimum 3.81Wh, copper condenser, twin rotary compressor, refrigerant R-32 including copper pipe, Indoor unit, outdoor unit, stabilizer free including electrical connection, insulating copper pipe and all complete all as specified and directed.