the stop time is according to the contract stipulation of 100 years
| Absrtact |
the stop time is according to the contract stipulation of 100 years, Each work achievement explanation is provided as follows up to December 31th:
（一）Operation on the street washing and sweeping:
Entails 100 years from the April 19th to 100 years up to December 31th, street vehicle cleaning accounts for 22,253.1 kilometers; The street sweeper duties accounts for 17,486.1 kilometers; The manual street sweeps of street account for 31, 20,607 kilometers.
The accumulation washes of the street sweeper carry a total length of 39,739.2 kilometers, may approximately reduce TSP to reach 548.40 metric tons, PM10 to reach 103.32 metric tons.
（二）On-site audit work:
1. Road survey work:
This year’s general path surveyed completed the total of 2,061 kilometers. The general survey every month has the distance of l ≧160 kilometer. A level path general survey occupies is 59.01%, and the B level path occupies 40.91%. This completes 18 dirty stain improvements.
2. Street washing and sweeping audit:
4 times a month the work of washing sweeps are examined; the street sweeper washes accumulation and checks the amounts to the length of 727.5 kilometers; The manual power street sweeps accumulation amounts to the length of 314.36 kilometers.
3. Industrial Area Patrols:
Every month 8 industrial districts all carry out 1 county inspections; total 9 inspections are performed and completes 17 dirty stain improvements.
（三）Examination Analysis
1. Street dust loading:
Total 9 sampling analyses are completed, Before various road sections can be wash , the street dust levels needs to be situated between 1.48~3.73 g/m2, after washes the street back street dust levels must be between 0.40~0.98 g/m2.
2. Street sweeper collection dust particle size analysis:
All the dust particles collected from the street wash are analyzed every month, from the 9 different cleaning zone.
Various road sections particle size analysis result, the particle size is bigger than 297μm the proportion to be situated between 45.39~90.45%; The particle size is situated between 74~297μm proportions to be situated between 8.44~36.61; The particle size is smaller than 74μm proportions is situated between 1.11~12.88%.
3. The water quality examination:
In total 11 water quality examination are performed, statistical test must have results of ≦50 mg/L.
（四）Crosswise guidance relation:
1. The enterprise recognizes raises:
This year paths recognized have increased by 30 time, in addition, in 2010 these units will continue to increase, total equal to 51. From April to December the distance cleaned is 5,148.9 kilometers, and reduce the levels to the TSP 71.05 metric tons, the PM10 13.39 metric tons.
2. The coordinated symposium for Washes sweeps:
On August 12, 2010 the a street cleaning symposium meeting will be held. and should coordinates with the environmental protection bureau to hold a street cleaning guidance seminar and the outdoor demonstration.
3. Technology Training and Education Transfer Conference:
On July 14, 2010, a technology training and education transfer conference is held.
4. News release:
Completes 2 publish article news releases. The subject is to is to strengthens the path cleaning of street, transportation
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| Keyword |
Street sweeping, Street dust loading, Reductions
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