| 英文摘要 |
I.Plan Name：Strengthen plans on the street washing and sweeping caused by wind-born dust for the Chiayi City in 2017.
II.Plan Time：The project duration spanned since the signing date to December 15, 2017
III.Implement Company：Shin Shin Environmental Protection Engineering CO., LTD.
IV.The work content completes the progress：
(I)The street-washing and sweeping work had executed since April 18, 2017 until December 15, 2017, executive amount of street washing vehicles are 14,085.3.1km；The street sweeper duties accounts for12,584.4 kilometers, accumulate execution length are 26,669.7 kilometers, completes the progress to reach 100%。
(II)Effective estimation of pollution reducing by street washing and sweeping. This year street wash and sweep accumulated 26,669.7 kilometers length of the year is according to EPA reduction formula (reductions = length of wash and sweep × reduction coefficient), estimate the reduction of TSP ar368.04 tones, PM10 are 69.34 tones ,and PM2.5 are 16.19tones. Based on the control plan of air pollution in Chiayi City, 2017, the plan vest control category of "fugitive sources of pollution", and the adoption of control strategies are "Strengthening street dust cleaning and sweeping job", cuts planning approach is "the implementation of cleaning and washing Street operations"(including the cleaning units of Chiayi City). The scheduled to perform washing and sweeping length is 80,000 km, which is expected can be reduced TSP 1,104.0 tones and PM10 208.0 tones and PM2.5 48.6tones, while this project execution with the cleaning units of Chiayi City statistics perform washing and sweeping the length (Statistics to December 15) of a total of 78,329.7kilometers, expected to reduce TSP 1,080.95 tones and 203.66 tones of PM10 and 47.55 tones of PM2.5, The target has been reached 98%.
(III)Census of dirt road circumstances
To strengthen mastered and enhance road dirt level in Chiayi City, and as the reference regularly planning wash and sweep Street route, this project monthly street washing Road, Chiayi City conducted a comprehensive road census. Road census since March to December, statistics a total of 335 times, the census total mileage of 924.1 kilometers, Result shows that A-class roads accounted for 88%; B-class roads accounted for 12% to December.
(IV)Operational audit of street-washing
Performed twice a week. Statistics to December this year，Check the operation of washing Street Street washing 90 times with 70 times the streets, the total audit length of sweepers accumulative 924.1km.
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