• Pollution sources1.1. in the construction phase• Air pollution-causing SourcesDuring construction, the work as leveling, digging, building foundations, provide material, transport and installation of the equipment will cause some impact on the environment the air due to the polluting elements are as follows:• Dust pollution san activities, Earthwork, san premises.• The emission of the vehicles contain dust, SO2, CO, CO2, NOx, THC.• The noise by means of the motor and construction trucks.• Source water pollutersIn the process of building, so no time stretching and non-complex, there are only two possible sources of negative impact to the environment that water is waste water of building forces and rain water to flow through the ground to build:• Domestic wastewater of workers participated. The source of this waste contains organic compounds, nitrogen, phosphorus and micro-organisms.• Rainwater flows overflowed from the construction area with sandy soil into the storm drain system.• Solid waste pollution SourcesDuring the construction phase, a large volume of solid waste are generated by:• Building materials scattered like cement, bricks, sand, stone, wood, ...• Household waste of workers working in construction sites.The above mentioned types also cause negative effects to the environment of water, air, soil and environment landscape area especially if not administered regular collectors.• The risks• Workers ' compensation:• Due to carelessness in labor, lack of labor protection equipment, or lack the sense of abiding strictly about the safety rules of construction workers.• The labor accidents from the public works approach to electricity as power system construction work, bumping into the power lines.• Fire incident:The fire caused by electrical incidents: due to carelessness during construction and installation of equipment, leading to the ability to cause a short circuit and led to fire and explosion is very high.
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