THE ECONOMIC EFFECT OF USING THE NEW METHOD TO IMPLEMENT MEASURES TO REDUCE NOISE BY NOISE INSULATION AND ACOUSTIC BARRIER FOR GAS PIPELINES
An important environmental problem is exceeding the current sanitary standards on the territory of thermal power plants
(TPP) and in the surrounding residential area. One of the intense sources of noise at the TPP is the gas distribution points (GDP) and the gas pipeline after it. The noise at the exit of the GDP building and along the length of the gas pipeline can be 110 dBA. Effective methods of reducing noise from GDP and gas pipelines are the installation of acoustic barriers and the use of noise insulation materials. The most effective is a set of measures to reduce noise including the joint use of the barrier and noise insulation. The cost of noise reduction measures depends on many factor, including the type of materials, the thickness of the construction as well as the required amount of noise reduction. Earlier in the works of the authors, it was shown that when planning noise reduction measures, it is necessary to achieve equality of the specific reduced costs by using noise insulation and acoustic barriers. This will ensure minimal noise reduction costs. In this paper, the economic effect of using the new method is considered. A new formula is proposed for determining the economic losses in the case of inequality of the specific reduced costs for shielding and noise insulation. It is shown how the economic losses increase in the case of an increase in the ratio between the specific reduced costs of shielding and noise insulation.
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