Environment Impact Assessment For Jiangxi Shangrao Sanqingshan Airport Beijing Guohuantiandi Environmental Technology Development Center. Ltd. Oct. 2012 Content
Investigation and evaluation of current status of electromagnetic environment
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3.3.6 Investigation and evaluation of current status of electromagnetic environmentIn order to understand the current status of power frequency electric field, power frequency magnetic field intensity and radio interference level of surrounding environment of the project area, the construction unit entrusted Research Institute of Bureau of Geology for Nuclear Industry of Jiangxi Province to carry out measurement of current status of electromagnetic field intensity, radio interference level and noise environment of sensitive points passing the line. From August 6, 2012 to August 7, 2012, the monitoring unit carried out monitoring work to measure the current status of power frequency electric field intensity, magnetic field intensity and radio interference level around the proposed project. See Table 3-2-15 for climate condition during monitoring. Table 3-2-15 List of climate conditions during monitoring period
(1) Measurement method HJ/T10.2-1996 Guideline on Management of Radioactive Environmental Protection Electromagnetic Radiation Monitoring Instruments and Methods GB/T7349-2002 Methods of Measurement of Radio Interference from High Voltage Overhead Power Transmission Line and Substation (2) Measurement instrument PMM8053B Power frequency electromagnetic field meter (Used for measuring power frequency electromagnetic field): Probe: EHP50C Manufacturer: Italy PMM.S.r.L Company Measurement range: Electric field 0.01V/m-100kV/m Magnetic field intensity 1nT-10mT Verification Unit: SIMT Certificate No.: 2011F33-10-000912 Valid period: 2012.7.25-2013.7.24 PMM9010 Field strength meter (used for measuring radio interference) Manufacturer: Italy PMM Company Frequency range: 10Hz-30MHz Measurement range: 0dB-120dB Verification unit: SIMT Certificate No.: 001WJ51102 Valid period: July 25, 2012-July 24, 2013 (3) Layout of monitoring point Lay the monitoring point along the sensitive points. (4) Measurement result of 110kV Maozao Line relocation and modification project of Sanqingshan Airport See Table 3-2-16 and Table 3-2-17 for measurement result of current status of power frequency electromagnetic field and radio interference environment of monitoring point: Table 3-2-16 Measurement result of power frequency electromagnetic field environment of 110kV Maoze Line relocation and modification project of Sanqingshan Airport
Table 3-2-17 Measurement result of current status of radio interference environment of 110kV Maozao Line relocation and modification project of Sanqingshan Airport
According to Table 3-2-16 and Table 3-2-17, the monitoring value of current status of power frequency electric field intensity and power frequency magnetic field intensity of each measurement point are respectively 19.09V/m-243.9V/m and 0.023µT-0.105µT; radio interference level at frequency of 0.5MHz is 14.2dB (μV/m) -38.7dB (μV/m). Electromagnetic field of all monitoring point satisfies the recommended value of Technical Regulations on Environmental Impact Assessment of Electromagnetic Radiation Produced by 500 KV Ultrahigh Voltage Transmission and Transfer Power Engineering (HJ/T24-1998): power frequency electric field intensity of 4000V/m and power frequency magnetic field intensity of 0.1mT; Radio interference level of monitoring point satisfies the regulation of Limits of Radio Interference from AC High Voltage Overhead Power Transmission Lines (GB15707-1995) at frequency of 0.5MHz: 110kV voltage class is 46dB (μV/m). The current status of power frequency electric field intensity, power frequency magnetic field intensity and radio interference level environmental quality of sensitive points along the area are good. (5) Measurement result of 110kV Wangzao Line relocation and modification project of Sanqingshan Airport See Table 3-2-18 and Table 3-2-19 for measurement result of current status of power frequency electromagnetic field and radio interference environment of monitoring point. Table 3-2-18 Measurement result of current status of power frequency electromagnetic field environment of 110kV Maozao Line relocation and modification project of Sanqingshan Airport
Table 3-2-19 Measurement result of current status of radio interference environment of 110kVMaozao Line relocation and modification project of Sanqingshan Airport
According to Table 3-2-18 and Table 3-2-19, the monitoring value of current status of power frequency electric field intensity and power frequency magnetic field intensity of each measurement point are respectively 19.09V/m-243.9V/m and 0.023µT-0.105µT; radio interference level at frequency of 0.5MHz is 14.2dB (μV/m) -38.7dB (μV/m). Electromagnetic field of all monitoring point satisfies the recommended value of Technical Regulations on Environmental Impact Assessment of Electromagnetic Radiation Produced by 500 KV Ultrahigh Voltage Transmission and Transfer Power Engineering (HJ/T24-1998): power frequency electric field intensity of 4000V/m and power frequency magnetic field intensity of 0.1mT; Radio interference level of monitoring point satisfies the regulation of Limits of Radio Interference from AC High Voltage Overhead Power Transmission Lines (GB15707-1995) at frequency of 0.5MHz: 110kV voltage class is 46dB (μV/m). The current status of power frequency electric field intensity, power frequency magnetic field intensity and radio interference level environmental quality of sensitive points along the area are good. (6) Measurement result of 10kV line newly built project from Maojialing Substation to Airport See Table 3-2-20 and Table 3-2-21 for current status of power frequency electromagnetic field and radio interference environment of monitoring point: Table 3-2-20 Measurement result of current status of power frequency electromagnetic field environment of 10 kV line newly established project from Maojialing Substation to Airport
Table 3-2-21 Measurement result of current status of radio interference environment of 10 kV line newly established project from Maojialing Substation to Airport
According to Table 3-2-20 and Table 3-2-21, the monitoring value of current status of power frequency electric field intensity and power frequency magnetic field intensity of each measurement point are respectively 36.49V/m-203.50V/m and 0.034µT-0.449µT; radio interference level at frequency of 0.5MHz is 23.1dB (μV/m) -38.9dB (μV/m). The current status of power frequency electric field intensity, power frequency magnetic field intensity and radio interference level environmental quality of sensitive points along the area are good. (7) Measurement result of 10kV line newly built project from Zaotou Substation to Airport See Table 3-2-21 and Table 3-2-22 for measurement result of current status of power frequency electromagnetic field and radio interference environment of monitoring point: Table 3-2-21 Measurement result of current status of power frequency electromagnetic field environment of 10 kV line newly established project from Zaotou Substation to Airport
Table 3-2-22 Measurement result of current status of radio interference environment of 10 kV line newly established project from Zaotou Substation to Airport
According to Table 3-2-21 and Table 3-2-22, the monitoring value of current status of power frequency electric field intensity and power frequency magnetic field intensity of each measurement point are respectively 23.03V/m-188.5V/m and 0.023µT-0.402µT; radio interference level at frequency of 0.5MHz is 17.3dB (μV/m)-38.9dB (μV/m). The current status of power frequency electric field intensity, power frequency magnetic field intensity and radio interference level environmental quality of sensitive points along the area are good. Directory: curated curated -> Concept stage curated -> Concept stage curated -> Republic of Côte d'Ivoire Urbanization Review curated -> Report No: aus11011 Central America curated -> Report No. 94474-pk fiscal Disaster Risk Assessment Options for Consideration curated -> Environmental and Social Management Framework for the Costa Rica Telecommunications Sector Modernization Project curated -> Growth through Innovation An Industrial Strategy for Shanghai By Shahid Yusuf Kaoru Nabeshima April 22nd, 2009 curated -> Report No: 70178. People's Republic of China curated -> Making Nutrition Policy Central to Development Understanding the Political and Institutional Conditions for Policy Change Case Study of the Political Economy of Nutrition Policies in Ethiopia Prepared By Download 3.9 Mb. Share with your friends:
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