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- Количество слайдов: 14
Recommendations on Leaf Blower Use in Portland The Noise Review Board’s final recommendations for City Council
Council Direction to Noise Review Board ØDevelop a specific decibel level ØPhase in the decibel requirement over a three year period ØReview and possibly adjust the permitted sound level every three years
Council Direction to Noise Review Board Ø Work with industry on an educational program to limit noise from operators inappropriately using blowers Ø Research the possibility of a limit on the duration and frequency of the use of leaf blowers.
Public Outreach Ø Process began with the Noise Control Task Force in September 2000 Ø 3 meetings throughout the City Ø Numerous NCTF meetings
Public Outreach Ø Noise Review Board discussed the issue at 6 meetings from mid 2001 to late 2002 Ø Board held public hearing on leaf blowers Ø Board received 45 letters on the subject Ø Mailing list of 400 interested parties
Public Outreach Ø Worked closely with a local manufacturer and a large regional sweeping company Ø In house sound testing with Maintenance and Parks Bureau Ø Feedback from both Bureaus
Recommendations on Leaf Blower Use in Portland
Current Title 18 Requirements DAYTIME 7 am to 10 pm Ø No d. B limit Ø Any muffled leaf blower permitted NIGHTTIME 10 pm to 7 am Ø Leaf blowers are not permitted to operate on residential property
Current Title 18 Requirements DAYTIME 7 am to 10 pm Ø No d. B limit Ø Any muffled leaf blower permitted NIGHTTIME 10 pm to 7 am Ø Meet decibel levels in Title 18 (based on zoning) Ø Example: Commercial to Residential= 55 d. BA at the property line
Requirement After August 1, 2005 DAYTIME 7 am to 7 pm Ø Must use a leaf blower on the City list Ø List establishes leaf blowers certified to meet a 65 d. BA ANSI standard
Requirement After August 1, 2005 NIGHTTIME 7 pm to 7 am Ø In addition to the daytime standards… Ø Leaf blowers are not permitted to operate on residential property Ø Meet decibel levels in Title 18 (based on zoning)
CURRENT NIGHT USE WITH A 75 d. BA Leaf Blower
AFTER AUGUST 1, 2005 / Use with a 65 d. BA ANSI Leaf Blower
ed01985fb1282e4c6e28524fe6d9aa3c.ppt