QN thermal plant

Environmental Impact Assessment of Prepared Preparedby: by: NGUYEN THE VINH ContentS  Introduction  Project description  Existing of environment at Project site  Existing of environment in Project area  Impact assessment of project  Mitigation measures of impacts  Conclusions and recommendations  Halong Bay is a natural heritage acknowledged by UNESCO  Energy resources are under the big pressure from economic growth  Quangninh thermal power plant is within the scope of the national power energy development program  Determine, analyze and forecast all impacts of QN thermal power plant during construction stage  Determine and analyze impacts in operation stage  Recommend mitigation measures for human living and environmental protection MAJOR PARAMETERS AND APPLICABLE TECHNOLOGY Parameters              Plant capacity : 1200 MW Boiler type : PC Unit capacity : 300 MW Boiler efficiency : > 89 % Turbine - generator efficiency : > 44 % Other losses : 0.5 % Plant efficiency : 39 % Operation hours : 6000 hrs Air temperature : 24 oC Fuel consumption rate : 0.471 kg/kwh Plant fuel consumption : 565 t/h Unburned carbon in ash :6% Unburned carbon in coal : 2.30 % MAJOR PARAMETERS AND APPLICABLE TECHNOLOGY Fuel Carbon C % 49.50 Hydrogen H % 2.93 Oxygen O2 % 1.93 Nitrogen N % 1.04 Sulphur S % 0.6 Ash content Ap % 36 Humidity Wp % 8.00 V % 6.50 Low heating value LHV Kcal/kg 4655 High heating value HHV Kcal/kg 4860 Volatile matter     Checklist: for identification of effect and impact of project Statistic method: collect and solve socioeconomic, hydro-meteo data Comparison method: analyze impact on the basic VN’s standards(1995,2001) Rapid assessment: suggested by WHO   Assessment of pollution load Assessment of measures for pollution control Frame work of Methodology QN Thermal Power Plant Construction phase Operation phase Pollutants Pollutants Located Project Soil Air Water Compare Environmental Impact Assessment Socio-Economic Mitigation Measures Eco-System Conclusions Vietnamese standards Project description Quảng ninh Thermal Plant Location coordinate: + 1070 05’20’’ to 11027’17’’ north latitude + 21002’10’’ to 109001’00’’ east longitude Project description      The owner: Electricity of Vietnam The location: at Thong Nhat commune, Hoanh Bo district, Quang Ninh province The whole area: 100 The NPP’s capacity: 1200 MW (4x300MW) The fuels is transported by conveytor in direction  Hydrogeology        Tidal regime; High:3.6m, Aver: 2.06 m, ebb:0.5m Vibration of cycle regime of sea water: stable Ware: Smooth, 0.25m Temperature of sea water aver 16.8- 28.6 0C Salinity of sea water  Soil quality aver: 0.42%  Soft, hard clay Freshwater  Clay- sand Suspended waste solid The biological environment  Tidal ecosystem (    species) Sub-tidal ecosystem  Shallow water: species  Sea grass: 71, 40(mollusks)  Coral: 117 species, 40 genera, 12 families Tidal ecosystem  Mangrove forest: 13 species Terrestrial ecosystem     Mammal: 35 species, 15 genus, register Bird: 14 species Reptile: species Hermaphrodism: species  Aquatics ecosystem      Algae:  100 species belong major genus Zooplankton:  50 species belonged 11 descent Benthic animal:  species Seafood:  30 species of shrimp, 14 of crab and mollusks Fish:  Many species of fish Data of diversity in Bai Chay gulf and Ha Long bay Location Density (Individual) Living mass (g/m2) Species number Species diversity factor (H) Stability factor (J) A 46.67 10.17 1.80 0.93 B 47.50 15.00 11 2.27 0.95 C 90.00 25.67 2.03 0.93 D 48.33 12.00 14 2.44 0.92 E 50.00 42.67 2.08 0.95 Density of living and benthic animals at Ha Long and Bai Chay gulf (Values in bracket is percentage rate at such locations.) Annelida Crab Mollusks Individual/m2 g/m2 Individual/ m2 g/m2 Individual /m2 G/m2 (6.51) 0.17 (1.67) 43 (93.49) 10.00 (98.33) 28 (58.33) 3.00 (20.00) 20 (41.67) 12.00 (80) 17 (50.00) 17.34 (68.00) 17 (50.00) 8.33 (32.00) 12 (24.49) 1.16 (9.66) (14.29) 3.33 (27.75) 30 (61.22) 7.51 (62.59) (13.73) 1.00 (2.34) 17 (33.33) 16.33 (38.27) 27 (52.94) 25.34 (59.39) (11.27) 1.50 (2.28) 18 (25.35) 23.00 (34.98) 45 (63.38) 41.25 (62.74) The socio-economic situation  Population    Land use structure   5,261 people/1,338 household in Hakhanh precinct 7,945 people/1,800 household in Thong nhat Commune 31.53km2, 238ha of arable, 336 of industry and 988 of forests Infrastructure Education and training primary (HK) and school (TN)  Medical station: 1(HK) and 1(TN)  Transportation   Public health  Fresh water system, medical care Existing environment at project area  Existing water quality    Air environment quality    Surface water environment Result of analyzing of water samples Air environmental pollution source Result of analyzing of air samples Noise status   Noise generation source Results of analyzing of noise samples Almost all pollution indices are within permissible limit of VN’s standard  Soil :Lead, copper, zinc content is higher than other areas Construction phase  Pollution sources     Pollution with solid wastes   Dust, water, noise, thermal, working activities Impact on the water quality  From 500 workers, employees Impact on air quality  From vehicles, transportation vehicles, equipments, earthwork activities  Air pollutants, toxic gas Waste construction material: brick, pebbles, cements, woods, metals Other impact  Pille driving (vibration), temporary constructions, noise pollutants… Operation phase       Impact on the atmosphere Impact on the tidal ecosystem Impact on the aquatic ecosystem Impact on soil and sediment Impact on biodiversity Impact on people     Potential of malignant growth Diseases and respiration system Thyroid gland… Congenital malformation, Intestinal diseases, memory reduction in children During construction phase  Aquatic ecosystem temporary treatment, oil water separator, minimum wastes  Air impact regulations, management/control of domestic traffic, monitoring toxic gas, …  Control of pollution caused by construction plant and equipments Prevention of the use of obsolete, overload machinery, etc   Control of pollution caused by solid waste Mitigation measure of other impact take care of health workers, safety and security measure to avoid accident, destroying forest, etc Operation of TPP  Mitigation impact on air quality  Control measure for toxic gases dispersion   Dusts, SO2, , NOx Mitigation measures for impact on water quality  Waste water, oil wastes treatment  Treatment of solid wastes, wastes  Noise and vibration control  Power supply system  Lightning and earthing system Environment monitoring program   Management measure for local environment protection  Environment protection group  Environmental training course  Health care  Monitoring program Environment pollution monitoring  During construction phase  Pollution control program  Accident analysis  Public information  Quang ninh TPP is expected to be an important option of energy for the achievement of socio-economic development and environmental protection    Annually, the plant supplies about 7,200TWh for national economy Quang Ninh TPP project will create job opportunities for thousands of people Create favorable conditions for the development of the regional economy and attraction of foreign investment in this area, etc  Besides, we must make strenuous regulations during construction and operation stages for mitigation of impacts on Human living and environmental resources  The important impacts such as:    The change of land use (residents, agriculture, etc.) Air, noise, vibrations, etc Reduce the profits of shrimp and fish, etc ... growth  Quangninh thermal power plant is within the scope of the national power energy development program  Determine, analyze and forecast all impacts of QN thermal power plant during construction... of pollution load Assessment of measures for pollution control Frame work of Methodology QN Thermal Power Plant Construction phase Operation phase Pollutants Pollutants Located Project Soil Air...           Plant capacity : 1200 MW Boiler type : PC Unit capacity : 300 MW Boiler efficiency : > 89 % Turbine - generator efficiency : > 44 % Other losses : 0.5 % Plant efficiency :