SW3201202_Supplement-EZ Form_20210401

..... . .... .__ . . ... .
NUMBER AND TYPE OF SCMs:
...........
11 Infiltration System 0 - - ---------
12 Bioretention Cell. 0
13
Wet Pond
0
14
15
16
Stormwater Wetland
Permeable Pavement . . . . . .. .........
Filter
0
0
-------- --------
0
--Sand
17
Rainwater Harvesting WH)
0
18
Green Roof
0
19
Level Spreader -Filter Strip (L§-_F
20
Disconnected Impervious Surface (DIS)
21-Treatment
—
Swale
---------
0
22__
Dry Pond
0_
23
StormFilter
0
24
25
26
Silva Cell
Bayfilter
Filterra . . . . . ............ . .... . .... . . . . ....
0
. ..........
FORMS LOADED
­­­ ----------------
Certification Statement:
I certify, under penalty of law that this Supplement-EZ form and all supporting information were prepared under my direction or supervision; that the
information provided in the form is, to the best of my knowledge and belief, true, accurate, and complete; and that the engineering plans,
specifications, operation and maintenance agreements and other supporting information are consistent with the information provided here.

QITIE
L ee L17--
..... .... ...
1- - Is this a high density project? ..... . .... ­ NO
....2If­so, .. number of _draJnaqq_preLq§iCMs- N/A
�3 Does this project have low density areas? Yes ........ .. .... . ...... . ... . .... . .......... .
tyqo
4 f density umber of low dens drainage areas I
�­ - - --- - . ............. .. . ....
Is all/part of this project subject to previous rule
5 versions? N
DRAINAGE AREA INFORMATION
Entire Site
LID 1
N/A (only
N/A (only vegetated
vegetated
vegetated
4 Type of SCM
_conveyances
.rt_­
conveyances)
5
Total drainage areas ft)
2149820 sf
2149820 sf
6
Onsite drainage areas ft)
2149820 sf
2149820 sf
7
Offsite drainage a
8
Total BUA in
304548 sf
304548sf
_projec!Js�q
New on subdivided lots (subject to permitting)
_(s_q_
N/A
New BUA not on subdivided lots (subject to
10
301074 sf
301074 sf
11
Offsite BUA.(s�q t)
0 sf
0 sf
Breakdown of new BUA not on subdivided lots* ------
----
Parkin s ft
9013sf
9013sf
3791 sf
3791 sf
Roof
81495 sf
81495 sf
. ...... ..
......... 7Z
JQL5 _­sf
775
104sf
Future (sg ft) .. .........
102000 sf
Other, please specify in the comment box
All structures/pads
All structures/pads
elo)y qft)
are in ROOF row
are in ROOF row
New infiltrating permeable pavernent on
13
subdivided lots (sq ft)
N/A
N/A
New infiltrating permeable pavement not on
14
subdivided lots aq
N/A
N/A
Existing BUA that will remain (not subject to
3474 sf (existing
3474 sf (existing
15
p_qrm
d
16
Existing BUA that is already_permitt'edJsqfQ
N/A
N/A
Existing BUA chat w ILI be removed
N/A
N/A
_17
18
Percent BUA
14.2%
14.2%
-71-9—
Design storm in.hies)_
10- earl -
N/A (only
N/A (only vegetated
vegetated
20
Design volume of SCM (c ft)
�u
conveyances
conveyance
--s)
N/A (only
N/A (only vegetated
vegetated
21 method for design volume conveyances)
Calculation
conveyances)
ADDITIONAL INFORMATION
-- ----Please use -this -space to provide any additional information about the
22 drainage area(s):
Offsite area counted as zero due to site being low -density. Existing BUA is for
portion of New Salem Road that is within site boundary since property line
extends to road centerline.

LOW DENSITY