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The project of enhancing street dust sweeping and washing- to sweep /to wash the street privately owned and privately operated for 96 year

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In order to improve the pollution of car raises dust effectively, and extend all previous years’ administration policy, the Bureau of Environmental Protection Tainan county carries out “The project of enhancing street dust sweeping and washing- to sweep /to wash the street privately owned and privately operated for 96 year ”. The project started on May 15, 2007 and ended on May 14, 2008, lasting for a year. The achievements of this project’s work goal are as shown in Table 1; each work is completed smoothly. The work achievements’ abstract is as follows.(1)So far, 8,291.6km of non-key street washing is executed, and 5,343.6km of key-street. The total rates are 103.6% and 111.3%. As for the street sweeping, the length of non-key street and key street are 10,453.8km and 5,295.6km. The total rates are 104.5% and 110.3%;(2)So far the total length of street washing is 13,635.2km and total usage amount of water is 10,256.86kg. That is 0.63-1.01 kg/km per month, so the average usage amount is 0.75 kg/km. It exceeds the criterion of agreement;(3)So far total dust collection amount of street sweeping work reaches 82.78kg. That is 2.0-9.4 kg/km per month and the average dust collection amount is 5.3kg/km. It is estimated that dust removal amount of street washing is 71.421kg and 1.16kg of street sweeping; total removal amount reaches 155.36kg. It shows that this plan can eliminate road surface’ cumulated dust effectively, furthermore, the dust pollution of automobiles can be controlled;(4)Now the total length of street washing is 13,635.2km; the reduction amount of TSP is estimated to be 188.1kg. And the amount is 217.3kg as the result of 15,749.4km’s street sweeping. So the total amount reaches 405.4kg because of street washing and sweeping project;(5)According to the investigation of degree of pollution, in June of this year, A level road accounts for 24% of totality, and B level 60%, C level 16%. In comparison, to May of 2008 the proportion of A level rises up to 31%, B level rises to 69%, and C level road is improved(only 0%). It reveals the project has already taken on positive benefits.
Keyword
sweeping,washing,dust effectively of car raises
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