ABSTRACT - I ABSTRACT OF YEARWISE ALLOCATION OF CAPITAL EXPENDITURE (GENERATION / PROJECTS) Allocation of Capital Expenditure (Rs. in Crores) Estimated Cost S.No. Station (Rs. In Crores) FY 2019-20 FY 2020-21 FY 2021-22 1 Thermal Power Stations 4823.92 274.70 2478.03 2071.20 2 Hydro Electric Power Stations 367.73 127.73 157.61 82.39 3 Gas Turbine Power Stations 211.23 15.54 195.29 0.40 4 Thermal Power Projects 109345.73 6725.42 14699.51 14514.96 5 Hydro Electric Power Projects 17331.29 228.11 1027.16 1148.00 Total Amount 132079.89 7371.51 18557.60 17816.95 1 ABSTRACT - II ABSTRACT OF YEARWISE CAPITALISATION (GENERATION / PROJECTS) FY 2019-20 FY 2020-21 FY 2021-22 Estimated Cost S.No. Station Amount Amount Amount (Rs. in Crores) Closing CWIP Closing CWIP Closing CWIP Capitalisation Capitalisation Capitalisation (Rs. in Crores) (Rs. in Crores) (Rs. in Crores) (Rs. in Crores) (Rs. in Crores) (Rs. in Crores) 1 Thermal Power Stations 4823.92 195.88 68.72 1434.15 1057.45 3193.90 0.00 2 Hydro Electric Power Stations 367.73 86.03 38.42 141.42 57.89 140.28 0.00 3 Gas Turbine Power Stations 211.23 13.04 2.50 196.99 0.80 1.20 0.00 4 Thermal Power Projects 109345.73 0.20 17000.85 0.00 31700.29 40793.21 5188.58 5 Hydro Electric Power Projects 17331.29 0.00 401.00 0.00 1428.16 0.00 2576.16 Total Amount 132079.89 295.15 17511.50 1772.56 34244.59 44128.59 7764.74 2 ABSTRACT - I ABSTRACT OF YEARWISE ALLOCATION OF CAPITAL EXPENDITURE (THERMAL STATIONS) Allocation of Capital Expenditure (Rs. in Crores) Estimated Cost S.No. Station (Rs. In Crores) FY 2019-20 FY 2020-21 FY 2021-22 1 Tuticorin Thermal Power Station 1579.91 62.91 846.20 670.80 2 Mettur Thermal Power Station-I 1109.07 51.72 621.97 435.38 3 North Chennai Thermal Power Station-I 1028.26 43.18 397.75 587.34 4 Mettur Thermal Power Station-II 154.01 91.93 45.50 16.58 5 North Chennai Thermal Power Station-II 952.67 24.96 566.61 361.10 Total Amount 4823.92 274.70 2478.03 2071.20 3 ABSTRACT - II ABSTRACT OF YEARWISE CAPITALISATION (THERMAL STATIONS) FY 2019-20 FY 2020-21 FY 2021-22 Estimated Cost S.No. Station Amount Amount Amount (Rs. in Crores) Closing CWIP Closing CWIP Closing CWIP Capitalisation Capitalisation Capitalisation (Rs. in Crores) (Rs. in Crores) (Rs. in Crores) (Rs. in Crores) (Rs. in Crores) (Rs. in Crores) 1 Tuticorin Thermal Power Station 1579.91 45.48 17.43 497.73 365.90 1036.70 0.00 2 Mettur Thermal Power Station-I 1109.07 27.57 24.15 180.12 466.00 901.38 0.00 3 North Chennai Thermal Power Station-I 1028.26 16.04 27.14 199.34 225.55 812.89 0.00 4 Mettur Thermal Power Station-II 154.01 91.93 0.00 45.50 0.00 16.58 0.00 5 North Chennai Thermal Power Station-II 952.67 14.86 0.00 511.46 0.00 426.35 0.00 Total Amount 4823.92 195.88 68.72 1434.15 1057.45 3193.90 0.00 4 ABSTRACT - I YEARWISE ALLOCATION OF CAPITAL EXPENDITURES (TTPS) Allocation of Capital Expenditure (Rs. in Crores) Estimated Cost Station (Rs. In Crores) FY 2019-20 FY 2020-21 FY 2021-22 Remarks Tuticorin Thermal Power 1579.91 62.91 846.20 670.80 Station 5 ABSTRACT - II YEARWISE CAPITALISATION (TTPS) FY 2019-20 FY 2020-21 FY 2021-22 Estimated Cost Station Amount Amount Amount Remarks (Rs. in Crores) Closing CWIP Closing CWIP Closing CWIP Capitalisation Capitalisation Capitalisation (Rs. in Crores) (Rs. in Crores) (Rs. in Crores) (Rs. in Crores) (Rs. in Crores) (Rs. in Crores) Tuticorin Thermal Power Station 1579.91 45.48 17.43 497.73 365.90 1036.70 0.00 6 FY 2019-20 (Cumulative) FY 2020-21 (Cumulative) FY 2021-22 (Cumulative) Yearwise Award of (Rs.in Crores) (Rs.in Crores) (Rs.in Crores) Details of work Anticipated allocation of Details of S. Name of the Estimated Cost Project Contract Cost benefit Amount Amount Amount furnishing list of major Technical justification date of Capital Board Allocati Remarks No. Scheme (Rs. in crores) schedule / P.Os analysis Capitalisa- Closing Allocation Capitalisa- Closing Allocation Capitalisa- Closing items completion expenditure approval on of placed tion CWIP of CAPEX tion CWIP of CAPEX tion CWIP (Rs. in crores) CAPEX expected expected expected I Division : Renovation and Modernisation ( Mechanical ) The eco-coil failure rate is very higher and it is Per.(CMD) essential to replace the eco-coil assembly by TANGEDCO P.O.No.10 Economiser Coil in Complete replacement of new one to avoid frequent failure. By 2019-20 : 4 Proceedings 1 4 2019-20 Sep' 2019 686M/21.0 1.79 Years 4 0 4 0 0 0 0 0 0 Unit I Economiser coil Assembly replacement of economizer coil assembly in Unit- Crores No.456 (Tech 8.2018 I, the loss of generation due to eco coil failure Br.) will be reduced. Dt.27.10.2015 In order to meet out the new environment Retrofitting of existing norms prescrsbed by MoEF , the ESP have to be 2020-21 : To meet out 2 ESP in Unit I ESP and providing 45 2020-21 Sep' 2020 Nil Nil 0 0 0 45 0 45 0 0 0 retrofitted to bring down the SPM level below 80 45 Crores environmental norms additional fields. mg/Nm³ In order to meet out the new environment Flue gas De- Erection of FGD norms prescribed by MoEF , FGD have to be 2020-21 : To meet out 3 sulphurization in Unit 105 2020-21 Sep' 2020 Nil Nil 0 0 0 105 0 105 0 0 0 components installed to bring down the SOx level below 600 105 Crores environmental norms I mg/Nm³ On inspection of hot re-heater coils in Unit IV during the overhaul 2015-16, most of the coils are in over heated condition and misaligned. Permanent Replacement of hot complete replacement of The rate of failure HRH coil drastically increased TANGEDCO 2020-21 : 4 re-heater assembly in hot re-heater assembly in in the recent period. Hence in order to avoid 3.75 2020-21 Sep' 2020 proceedings Nil 1.20 Years 0 0 0 3.75 0 3.75 0 0 0 3.75 Crores Unit IV boiler Unit IV boiler forced outage, it has been decided to replace (CMD) No.280, the entire hot re-heater assembly during the dt.26.05.17 forth coming overhaul of Unit IV for the year 2019-20 In order to meet out the new environment Flue gas De- Erection of FGD norms prescribed by MoEF , FGD have to be 2020-21 : To meet out 5 sulphurization in Unit 105 2020-21 Sep' 2020 Nil Nil 0 0 0 105 0 105 0 0 0 components installed to bring down the SOx level below 600 105 Crores environmental norms III mg/Nm³ During 2017-18 overhaul platen water wall tubes were inspected and found heavy hydrogen embrittlement in all the tubes. Due to Replacement of Complete replacement of this failures have started occuring and the platen water wall platen water wall tubes 2020-21 : 6 failure rate is in increasing trend. Hence in 1 2020-21 Dec'2020 Nil Nil 0.85 Years 0 0 0 1 0 1 0 0 0 tubes and bends in and bends in Unit III 1 Crores order to avoid forced outage, it has been Unit III boiler decided to replace the entire platen water wall tubes and bends during the forth coming overhaul of Unit III for the year 2020-21 In order to meet out the new environment Retrofitting of existing norms prescrsbed by MoEF , the ESP have to be 2021-22 : To meet out 7 ESP in Unit II ESP and providing 45 2020-21 Dec'2021 Nil Nil 0 0 0 0 0 0 45 045 retrofitted to bring down the SPM level below 80 45 Crores environmental norms additional fields. mg/Nm³ In order to meet out the new environment Flue gas De- Erection of FGD norms prescribed by MoEF , FGD have to be 2020-21 : To meet out 8 sulphurization in Unit 105 2020-21 Dec'2021 Nil Nil 0 0 0 105 0 105 0 0 0 components installed to bring down the SOx level below 600 105 Crores environmental norms II mg/Nm³ 7 FY 2019-20 (Cumulative) FY 2020-21 (Cumulative) FY 2021-22 (Cumulative) Yearwise Award of (Rs.in Crores) (Rs.in Crores) (Rs.in Crores) Details of work Anticipated allocation of Details of S. Name of the Estimated Cost Project Contract Cost benefit Amount Amount Amount furnishing list of major Technical justification date of Capital Board Allocati Remarks No. Scheme (Rs. in crores) schedule / P.Os analysis Capitalisa- Closing Allocation Capitalisa- Closing Allocation Capitalisa- Closing items completion expenditure approval on of placed tion CWIP of CAPEX tion CWIP of CAPEX tion CWIP (Rs. in crores) CAPEX expected expected expected In order to meet out the new environment Flue gas De- Erection of FGD norms prescribed by MoEF , FGD have to be 2021-22 : To meet out 9 sulphurization in Unit 105 2021-22 Dec'2021 Nil Nil 0 0 0 0 0 0 105 0 105 components installed to bring down the SOx level below 600 105 Crores environmental norms IV mg/Nm³ In order to meet out the new environment Retrofitting of existing norms prescrsbed by MoEF , the ESP have to be 2021-22 : To meet out 10 ESP in Unit V ESP and providing 45 2021-22 Dec'2021 Nil Nil 0 0 0 0 0 0 45 045 retrofitted to bring down the SPM level below 80 45 Crores environmental norms additional fields.