APPROVED STM Drainage Letter 2-1-23 (3)INSIGHT ENGINEERING CO.
February 1, 2023
City of Edmonds
121 5th Ave North
Edmonds, WA 98020
(425) 771-0220
Re: Najib SP - Lot 1 house
IECO No. 18-0945
To whom it may concern,
The drainage on lot 1 was changed slightly from the approved engineering plans. The dri-fewar
Instead, the
to a vegetated filter strip
driveway runoff will drain aefo s E .,_a_�^�_d v;:.-A'__ and into a yard drain that conveys the water
directly to the infiltration system.
The vegetated filter strip was not sized for
water quality treatment and will only be used
as conveyance for driveway runoff.
Please feel free to contact me with any questions or comments you may have.
Sincerely,
Brian Kalab, P.E.
P.O. Box 1478 Everett, WA 98206 + P: 425.303.9363
info@insightengineering.net