20170928161917.pdf�(D re I a4e
Construction Co.
GENERAL CONTRACTORS
Sept. 21. 2017
City of Ednionds
121 5111 Avenue N.
Edmonds, WA 99020
Re: Night Work
Dear Mr. Rivera,
00
Shoreline requests a noise vnriance for 2 consecutive days to conduct construction activities for an Olympic
View Water and Sewer District (OVWSD) project called Sanitary Sewer Upgrades — Phase 2. The basic
scope of this project is to rehabilitate sewer pipe at various locations. Several of the locations are within the
jurisdiction of City of Edmonds and a Right of Way permit has been issued by City of Edmonds (permit
#ENG201 70240). The work for this project can be completed within the conditions of the permit excluding,
the site at Edmolids Way & 100" Ave W.
The work at Edmonds Way & 100'h Ave W is rehabilitating the existing 12" diameter sewer line utilizing
Cured -In -Place Pipe (CIPP). the sewer pipe is within the ROW of Edmonds Way. The pipe VA 11 be
accessed utilizing 2 manholes, one is located in the intersection of 100111 Ave W and the other is
approximately 400 feet %vest of 100"' Ave W. The process of CIPP requires that the liner be installed, cured
and side sewers reinstatement to be performed in a continuous manner (day 2). The two day plan
(bypassing is required) is as follows:
Day I —
Prep existing sewer pipe
o
Clean pipe
o
CCTV pipe
o
Prepare CIPP
Day 2 —
CIPP pipe
o
Invert liner (install liner)
o
Inflate and cure liner
o
Reinstate laterals
o
Post TV
The activities and equipment required to complete this work are:
Tratije Control
• Arrow Board/Portable Message Sign
• Light duty trucks
Sewer bypassing
o 60 KW generator
CCTV of pipe to be CIPP
o TV van
Cleaning of pipe to be CIPP
o Vacuuni/Combination truck
Installation of CIPP
• Steam generator - box van
• Air Compressor 375 cfin
• Support trucks — light duty truck
P.O. Box 358 * Woodinville, WA 98072
__ E
Noise Level (db)
Arrow board/PMS (electric)
Below 50 db
Light duty truck
50-60 db
60 KW Generator
60 db
TV Van
60 db
Vacuum/Combination
85 db
Steam Generator —Box Van
50-60 db
Air Compressor 375
85 db
66P
Edmonds Way is a high volume road surrounded by business. Allowing the work to be performed between
the hours of 8:00 pin to 7:00 am on 2 consecutive nights will:
Decreased vehicular and pedestrian traffic disruption or delays
Less disruption to nearby business
Increased public safety
Enable work to be completed
This work is planned to take place either the first or second week iii October.
OLYMPIC VIEW WATER & SEWER DISTRICT
SEWER SYSTEM UPGRADES PHASE 2
SHORELINE CONSTRUCTION CO
SHEET 8 TRAFFIC CONTROL PLAN
TRAFFIC CONTROL PLAN SHEET 2 OF 3
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