20100820120455017.pdfI Dill, 0
1 V,
City of Edmonds
Site Classification Workshe,
The project's Classification serves to identify the specific Stonhwat&vMiLftageinent requirements applicable
to your site. Complete the worksheet below to determine whether yoi�'Oabject falls into the classification of
a Largg _Site, _Sun aU Site (Category I or Category 2), or a Nfinor Site.
Ste I: Determine the Exempt Impervious Surface Area for your project and enter it on line I of the
table (yellow box).
Ste 2: Determine the Replaced Impervious Surface Area for your project and enter it on line 2 of the table
below dividing the total between Exempt and Non -Exempt (orange and blue boxes), either or both may be zero.
Sto 3: Determine the New Impervious Surface Area for your project. If a portion of the new impervious surface
area is also Non -Exempt Replaced Impervious Sur
face 4rea subtract this from the total of the new impervious
surface area. Enter the final value on line 3 of the table below (blue box).
Ste 4: Add the values in the Non-exempt colinun for lines 2 and 3 and enter it into line 4 (green box).
Proceed to the Pr9ject Classification Chart (Figure D, pg 8) and use the data collected above to follow'
the flow chart and detennine the classification of your project.
0 Large Site (Handout E72a) D Small Site (Handout E72b) UMicor Site (Handout E72c)
Revised on 719110 E72 - Stormwater. Management Erosion Control-FINAL2 Page 5 of 11
Where does the existing site
Direct Discharge
runoff discharge?
Supplement
(Check all that apply)
Chapter 2.3
El Edmonds Way Basin
See Watershed Map
Figure -13 Handout pg 4 7
Creek or Lahe Basin
Area (square Feet)
Impervious surface:
Supplement
How much and what type?
Chapter 2.2
(fill in colored hoxes)
Exempt Non -Exem
See Definitions, Handout pg 9
Figure -C
Figure -C, Handout pg 7
Examples, Handout pg 10
Total Replaced +New (No
ME--,
(add numbers i
Land -disturbing activity area 1�
Supplement
See D' N. ions, Handout pg I
Plimul9NZ"'EM iiiW
Chapter 8
— — .. 1111 11 1m
1 11
do .
—
Grading, Fill or Excavation
Area
Will project convert % acre o
more of native vegetation to
lawIJ or landscaped a1ea9
Proceed to the Pr9ject Classification Chart (Figure D, pg 8) and use the data collected above to follow'
the flow chart and detennine the classification of your project.
0 Large Site (Handout E72a) D Small Site (Handout E72b) UMicor Site (Handout E72c)
Revised on 719110 E72 - Stormwater. Management Erosion Control-FINAL2 Page 5 of 11