The surrounding outdoor environment for new development has a big effect on the indoor quality of life. The main aim of this work was to determine the suitability of the area for building new schools with reference to electromagnetic field (EMF) effects. The specific objective of this study was to detect the safe distance from the EMF posed by the high-tension overhead power lines in the vicinity of the specified area. The measurements were taken for both the electric and magnetic fields in different months in order to detect the highest EMF levels during the peak power load season. EMDEX II with E-probe and EMDEX II with Linda were used for the measurements. These instruments were all calibrated by ENERTECH Company in USA. The EMF associated with high tension transmission lines that surrounded the proposed site has to be below 0.2 μT (Italian EMF regulations are the most suitable regulations for the establishment of schools in Kuwait). The safety clearance distance from the existing 300-kV high-tension power line has been assigned as 200 m and from other existing 132-kV high-tension power line was 50 m. The proposed site with its predefined boundaries has a magnetic field below the Italian EMF regulations for the establishment of new schools.
This paper presents a detailed description of the work performed on the assessment of electromagnetic fields (EMF) levels around three electrical secondary transformers (substations) installed in a residential area for one year. The EMF measurements were taken during fall, winter, spring, and summer seasons. In addition, the magnetic field measurements for houses that are attached to the substations were taken during summer in August between 10:30 am and 14:00 pm, using EMDEX II and SNAP meters. The results have shown that no electric field is generated in the vicinity of the substations (underground lines), which is considered an advantage compared to overhead lines, whereas, the magnetic field levels were detected. The measurements of the magnetic field were directly proportional to the electrical consumption, either daily or seasonally. Moreover, the magnetic field levels inside the attached houses were above the value of 0.4 µT due to cable lines, electrical panel, wiring circuits, and electrical appliances. Public awareness campaign towards energy conservation and energy efficiency is required in order to reduce magnetic field levels and improve the environment. Moreover, precautionary guidelines for exposure limits to magnetic fields have to be set for new installations similar to the some European countries.
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