05930_Exhibit_writeup.pdf
J.C. Mc DONNELL ENGINEERING, P.C.
Consulting Civil Engineers
th
6608 216Street SW; #306
Mountlake Terrace, WA. 98043
June 29, 2015
Jennifer Lambert
Public Work Department
th
121 5 Ave N
Edmonds, WA 98020
RE: Neuman 390 Sunset Ave N (#BLD20150224)
Dear Jennifer,
Below is a description of the exhibits provided:
EXHIBIT 1
Exhibit 1 delineates the contributing areas to each gravelless chamber. As designed, all
The lowest rim ele
This allows the system to overflow into each gravelless chamber until full. In an
unlikely event of an emergency flood condition, the system will overflow at inlet #1 (elev
flow west
of walk. All elevations and slopes are shown on C2 of the civil set of plans.
EXHIBIT 2
Exhibit 2 is an estimate of contributing roof areas to each storm structure.
Sincerely,
John C. McDonnell, P.E.
President
(OFF) 425 744-0916 (CELL) 425 359-2717 (FAX) 425 744-0946