HomeMy WebLinkAboutSWP272241(4) ona tra<a-StormDrainage-Maple Valley Highway age 1y
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From: Peter De Boldt<PeterD@perteet.com>
To: "Joe Armstrong (E-mail)" <jrmstrong@ci.renton.wa.us>
Date: 12/26/01 10:27AM '� cz^ 4r y '
Subject: Storm Drainage-Maple Valley Highway 7 n=r-so.,
Joe,
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Would it be possible for you to arrange a meeting with Ron Straka so that - E L.�q
our drainage lead (Dean Franz)can discuss the pro's and con's of using the /
two potential outfall locations of the Maple Valley Hwy project on the
existing storm drainage system? It would be ideal to do this next week r✓v.k Ir.v I S 'I-4L-1- Dt Sct -p
(sometime between 12/31 and 114). With the upcoming meeting on 1/14 with
the Fishery Resource Agencies, we want to be fairly certain of how we would
propose routing the project's storm drainage. Dean has had some difficulty
confirming the existing system routing from the GIS data sets we had l�e l J c L.. ✓ - a >�
received. We also want to know if the City has had any challenges with the
existing system in the area that we should be aware of(especially with
reference to the outfalls on the Cedar River). A principal goal of our
stormwater solutions is to avoid doing any changes to the outfall themselves � /) z ; as rr
in the hope that this will help us avoid an HPA. I've included a snippet `/ I�o Z_
below of a bit more detailed info that Dean is searching for. /
Do the storm catch basins at the south side of Maple Valley Hwy I- �✓�'
(next to 1405) discharge into the conc. lined pond or do they discharge > o V T'L_
into the pipe system which traverses around this pond? L/ �,, � wi U AP-9)
Are there any City records available which show the pipe data (pipe-
size, slope, IE, etc.)for this storm pipe route...From 1405 interchange, t7)
westerly under 1.405, then southwesterly into the Cedar River? The records `
we have from the City are incomplete.
Yw.J� �p.7.c71�J/
Give me a call if you have any questio I can fill you in a bit more.
Hope you had a great Christm
Thanks, Peter. VW.e<�
10
Peter De Boldt, P.E. /� Q T L, C —
Perteet Engineering f lrcvo,-,� )-D olo,(_ .I L—
2707 Colby Ave, Suite 900 add"'
Everett,WA 98201
425-339-7700
6018 ' �A C v (l w
425-339-G018 (fax) F'`�
peterd@perteet.com
CC: "Leslie Lahndt(E-mail)"<Ilahndt@ci.renton.wa.us>, Rich Perteet
<RichP@perteet.com>, Carl Einfeld <CarIE@perteet.com>, Dean Franz <deanf@perteet.com>
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01999 TRIAD ASSOCIATES
7