HomeMy WebLinkAboutEx05_Olympic Pipeline PPTOlympic Pipeline Noise
Variance
LUA20-000167, V-H
Jill Ding, Senior Planner
jding@rentonwa.gov
425-430-6598
September 8, 2020
Brief Description
•The applicant is requesting a Noise
Variance to work during night and
weekend
•hours beyond the days and hours
permitted in Renton Municipal
Code (RMC) 4-4-030 to complete
Olympic’s pipeline inspection
project.
•Olympic Pipe Line Company LLC
(Olympic) operates a 12-inch-
diameter pipeline that transports
petroleum products through
Western Washington, including
through the City of Renton
(Renton).
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Brief Description
•The 12-inch diameter pipeline was recently
internally inspected. The internal pipeline
inspection identified one anomaly on the 12-
inch pipeline within the project vicinity.
•The anomaly must be inspected and repaired
(if necessary).
•Olympic requests that the work be allowed
during extended nighttime work from
Monday through Saturday between 8:00 pm
and 7:00 am, Saturday daytime hours (from
7:00 am to 9:00 am), Saturday nighttime
hours (from 8:00 pm to 12:00 am) and up to
a 24-hour work day on Sunday.
•The project schedule as currently planned is
7 days and 6 nights.
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Equipment Sound Level (dBA)
at 50 ft
dBA at 150
ft
dBA at 200
ft
Backhoe 78 69 66
Compactor (ground)83 73 71
Dump Truck 76 65 64
Excavator 81 71 69
Vacuum Truck 85 75 73
Generator 71 71 69
Generator (<25kva, VMS
signs)
73 63 61
1-ton pickup truck 68 58 62
Portable light plants and generators 64 54 52
Roller 80 70 68
Stripe Grinder 76 66 64
Welder/Torch 74 64 62
Construction Equipment
Examples of Construction Equipment used during the night time operations:
Factors For Granting Variance
1)Implementation of a noise monitoring program;
2)Maximum noise levels;
3)Limitation on types of equipment and use of particular equipment;
4)Limitation on back-up beepers for equipment;
5)Required use of noise shields or barriers;
6)Restrictions to specific times and days;
7)Specific requirements for documentation of compliance with the noise variance
conditions;
8)Specific requirements for notification to nearby residents;
9)Required cash security to pay for inspection services to verify compliance;
10)Required access to the project by the City to verify compliance with the noise
variance conditions;
11)Specific program to allow for temporary hotel vouchers to affected residents;
12)Requirements for written verification that all workers understand the noise
variance conditions for the project; and
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RMC 8-7-8.D.4:
13)Provision allowing the City to immediately revoke the variance approval
if the variance conditions are violated.
Recommendation
Staff recommends approval of the Olympic Pipeline Noise Variance, File
No. LUA20-000167, V-H, as depicted in the Plan Set (Exhibit 2), subject
to 1 condition of approval.
1.The Applicant shall implement the self-imposed noise
mitigation measures, as identified in criterion “b.” of FOF 9, to
diminish or eliminate noise during project construction. In
addition, a summary of any noise-related complaints received
and the response provided shall be provided to the City’s
project manager within five (5) days of receiving the complaint.
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