Tata Power Company Limited · NSE:TATAPOWER
Tata Power — Technical Presentation (2013)
32 slides from Tata Power's technical presentation, Sep 30, 2013
Slide 1: Proposed modernization of Existing Unit #6 (500 MW) by Change of Fuel
p Proposed modernization of Existing Unit # 6 (500Title Presentation MW)( by Arial,Change of) Fuel Font size 28 at Date, Venue, etc..( Arial, Font size 18 ) Trombay Thermal Power Station, Mumbai Unit # 6 Modernisation …Message by change Box ( Arial, of 18 Font size fuelBold) 1
Slide 2: Trombay Thermal Power Station (TTPS) Location
Trombay Thermal Power Station (TTPS) Location • Part of the Greater Mumbai Area; Trombay • Coordinates of Unit # 6 stack - 19O00’12.66’’N, 72O53’51.60’’E TTPS • Nearest Railway station Kurla/Chembur : 7 KM • Nearest Airport : Chhatrapati Shivaji International Airport 12 KM. Unit # 6 Modernisation …M
Slide 3: Location of Trombay Thermal Power Station
Location of Trombay Thermal Power Station U# 6 U# 5 U# 8 U# 4 U# 7 Unit No. Commissioned in Capacity (MW) 5 (Coal) 1984 500 6 (Oil/Gas) 1990 500 7 (Gas) 1993 180 8 (Coal) 2009 250 Total - 1430 Unit 1,2 & 3 decommissioned in early 90’s *Unit 4 is in standby mode (150MW) Unit # 6 Modernisation …Messag
Slide 4: Need for the Modernization of Unit #6 by change of fuel
Need for the Modernization of Unit # 6 by change of fuel • Trombay Thermal Power Station (TTPS) provides power to the city of Mumbai • At present 2377 MW is embedded generation for Mumbai • Presently, peak power demand of Mumbai City is about 3391 MW • Demand is expected to increase to 6200 MW by 20
Slide 5: Alternative 4: Unit #6 on low ash low sulphur coal and modernization
Alternative 4: Unit # 6 on low ash low Sulphur coal and modernization • Use of Imported coal having low sulphur (0.28%) and low ash (4.5%) • Multi fuel firing capability will be retained • No change in the capacity of Unit #6 (500 MW) • No additional land acquisition required • No additional water a
Slide 6: Key components of Unit #6 modernization
Key components of Unit #6 modernization • Augmentation of existing captive coal berth from 2.4 to 4.4 Million MT/Annum • Closed pipe conveyors for transportation of coal from coal berth to plant • Installation of stacker reclaimer and screw unloader at Coal Berth/ storage • Installation of State-of-
Slide 7: Benefits of Unit #6 Modernisation
Benefits of Unit #6 Modernisation • Reduction in transmission congestion • Lower tariff to Mumbai consumers on account of reduced cost of generation • Ensuring uninterrupted and reliable power supply to consumers of Mumbai • Ensuring islanding capability for Mumbai • To meet demand supply gap for Mu
Slide 8: Details of the EIA study
Details of the EIA study Unit # 6 Modernisation …Message by change Box ( Arial, of 18 Font size fuelBold) 8
Slide 9: EIA details
EIA details • EIA study carried out within the 10 km radius from TTPS as per EIA Notification, 2006 and as per ToR/ additional ToR issued by MoEF for the period from March to May 2012 • All studies carried out as per ToR • Air Quality Monitoring carried out at 7 locations within the study area • Gro
Slide 10: Environmental Settings
Environmental Settings Sr. No Particulars Details 1 Elevation above MSL 3m 2 Climatic conditions Annual Mean Max Temp: 31.2 0C (Annual as per IMD-Colaba) Annual Mean Min Temp : 23.7 0C Annual Rainfall : 2146 mm 3 Climatic conditions Maximum Temperature: 33.4 0C (Summer as per IMD- Colaba) Minimum Te
Slide 11: Ambient Air Quality Monitoring Locations
Ambient Air Quality Monitoring Locations Predominant wind direction NW to SE (towards sea) Unit # 6 Modernisation …Message by change Box ( Arial, of 18 Font size fuelBold) 11
Slide 12: Ground Level Concentration (GLC)
Ground Level Concentration (GLC) Incremental contribution to GLC Particulars SO2 (µg/m3) NOx (µg/m3) PM (µg/m3) Scenario 1: 3.91 4.58 2.24 Existing Operations on oil Scenario 2: After modernization on 3.85 4.43 1.94 coal Change -0.06 -0.15 -0.3 Change % -1.5 -3.3 -13.4 • ISCST 3 modeling was carried
Slide 13: Ground Level Concentration
Ground Level Concentration • The air quality simulation result shows that after Unit #6 modernization the worst case maximum GLC’s of all the pollutants is predicted in South East direction at about 4.5 km from the project site towards sea • The nearest location in SE direction where the baseline AA
Slide 14: Particulate Emission from Unit #6 stack
Particulate Emission from Unit #6 stack PM Particulars (mg/ Nm3) Unit #6 on Oil 83 Unit #6 on Coal 50 Change - 33 Change % - 40 • As per the analysis report, LSHS has 0.1% ash content • There will be 40% reduction in PM emission after coal conversion Unit # 6 Modernisation …Message by change Box ( A
Slide 15: Barge Traffic due to Coal Movement
Barge Traffic due to Coal Movement After Unit 6 Parameters Existing modernization project No of Ships per Annum 42 68 Marine traffic In Mumbai 5935 5961 harbour (JNPT/MbPT) % contribution in Traffic due 0.7% 0.71% to Tata Power 1090 barges with 1 2000 barges with 2 Number of Barge Traffic for unload
Slide 16: Marine assessment findings by CMFRI
Marine assessment findings by CMFRI • Marine impact assessment has been carried out by Central Marine Fisheries Research Institute (CMFRI), Mumbai • No evidence of any major environmental damage to marine environment due to existing operations of Coal Berth which is already in use for unloading coal
Slide 17: Marine assessment findings by CMFRI
Marine assessment findings by CMFRI • Entire design of marine intake and outfall channel location is done by Central Water and Power Research Station (CWPRS), Pune • The approach velocity of water was measured and found to be less than 0.11m/s. Also it is confirmed from design data that the system i
Slide 18: Impact due to Fly Ash movement
Impact due to Fly Ash movement Parameters Existing After Unit 6 Modernization Fly ash Generation (MT/D) 200 450 No. of Bulkers Per day 15 16 Carrying capacity of bulkers (MT) 15 28 • Negligible increase in the transportation of fly ash after modernization project • About 18 months time will be requi
Slide 19: Environment Management Plan
Environment Management Plan Unit # 6 Modernisation …Message by change Box ( Arial, of 18 Font size fuelBold) 19
Slide 20: Air Quality Management
Air Quality Management • High efficiency Electrostatic Precipitator (ESP) will be provided to ensure particulate matter emission below 50 mg/ Nm3 • FGD to treat 100% flue gas will be installed to limit SO2 emission below 24TPD as per present consent condition • Installation of low NOx burners • Coal
Slide 21: Noise Level Management
Noise Level Management • Acoustic barriers will be provided at high noise generating sources like pumps, blowers, turbine room, etc. to maintain noise levels within permissible limit • Robust structural design for machineries to bring down noise level • Personal Protective Equipments will be provide
Slide 22: Water Management
Water Management • No additional water allocation required • Existing two STP’s of capacity 125 m3/ day each will cater to additional load during construction phase • Treated effluent is being used for spraying on coal and gardening/ plantation • For proposed project adequate treatment of FGD efflue
Slide 23: Solid Waste Management
Solid Waste Management • Use of low ash imported coal will be continued • Existing & additional fly ash will be utilized in RMC to achieve 100% fly ash utilization • Fly ash will be pneumatically conveyed to the silos • Fly ash will be stored in close silos to avoid any dust emission • Transportatio
Slide 24: Existing Fly Ash Management System
Existing Fly Ash Management System Ash Conveying via Pipes ESP Hoppers Discharge Silo & Bulker Closed Bulker for transportation Unit # 6 Modernisation …Message by change Box ( Arial, of 18 Font size fuelBold) 24
Slide 25: Existing Captive Coal Berth facility
Existing Captive Coal Berth facility Continuous Screw Unloader at Coal Berth Unit # 6 Modernisation …Message by change Box ( Arial, of 18 Font size fuelBold) 25
Slide 26: CSR at TTPS
CSR at TTPS Unit # 6 Modernisation …Message by change Box ( Arial, of 18 Font size fuelBold) 26
Slide 27: Thrust Areas
Community Relations (CR) • Sustainability Principle- Leadership with Care (CR Apex Committee) • Commitment to Social Vision of Company - CR Policy Company • Aligned to Companies Bill 2012, Millennium Development Goals • CR Plan Aligned to Business Goals • Full Fledged Team at Division Level-Professi
Slide 28: Linkage of Thrust Areas with Company's Bill & MDG's
Linkage of Thrust Areas with Company’s Bill & MDG’s Activities mandated in the COMMUNITY RELATIONS – 5 THRUST AREAS Companies Bill, 2012 by MCA Enhancing Augmenting Building social Building & Strengthening Healthcare facilities Nurturing Sustainability for programs on Rural capital & Inclusive growt
Slide 29: Present Outreach and Initiatives 2008-13
Present Outreach and Initiatives 2008 -13 Thrust Area Initiatives Stakeholder Education Improving Quality of Education through Extra- Local Community and School Tutorials in Local Govt School Health • Village level Health Camp • Employee • Specialised Camp-Eye, Gynaecology/Child • Vision Foundation/
Slide 30: Way Forward (2013-17)
Way Forward (2013-17) Theme: Building People Capacities for Self Reliance Thrust Area Initiatives Changing Scenario • Quality School Project-Focus on Girl Child Education • Slow growth of School Nos and • Career Guidance for SSC/HSC Pass outs increasing slum dwellers Education • Scholarship for Econ
Slide 31: CSR expenditure (Rs. in Lacs)
CSR expenditure (Rs. in Lacs) • Earmarked Rs 600 Lacs under Community Relations Initiatives (FY 13-17) CR Expenditure (FY 08-12) CR Provision FY 13-17 74 100% 11 10 10 10 74 4.5 25 90% 72 11 10 10 72 80% 70 70% 8.5 68 68 60% 40 40 40 50% 200 66 65 4 40% 64 62 30% 7 30 30 62 25 20% 60 10% 20 4 10 20
Slide 32: Activity wise budget allocation for CSR
Activity wise budget allocation for CSR Total – (Rs 600 Lacs) Thrust Area FY 13 FY 14 FY 15 FY 16 FY 17 Education 4 20 10 10 10 Health 7 20 25 30 30 Livelihood 4 200 40 40 40 Social Capital & Infrastructure 8.5 25 11 10 10 Inclusive Growth 4.5 11 10 10 10 TOTAL 28 276 96 100 100 Unit # 6 Modernisati