20190373 Ver 1_Supplemental Forms_20190405

SUPPLEMENT-EZ FORM COVER PAGE
Please indicate the types, quantities and locations of SCMs that will be used on this project:
Quantity Lou
Infiltration System
Bioretention Cell
Wet Pond
Stormwater Wetland
Permeable Pavement
Sand Filter
Rainwater Harvesting
Green Roof
Level Spreader -Filter Strip
Disconnected Impervious Surface
Treatment Swale
DryPond
Designer information for this project:
and Title:
Patrick Murphy, P.E.
nization:
R. Joe Harris, Inc
f address:
127 Ben Casey Dr, Suite 101
State, Zip:
Fort Mill, SC 29708
e number(s):
[phone]
Designer
Applicant:
III Environmcr
Project Name:
Sutters Mill II
Address
293 Fesperman Cir. Troutman, NC 28166
City / Town
Troutman, NC
pany: True Homes, LLC _
act Michael Foess _
ng Address: 2656 Brekonndgs Dr, Suite 104
State, Zip: Monroe, NC 28110
ie number(s): [phone]
il: mfnc ntr„oh..M. Q14Qn rnm
Certification Statement:
I certify, under penalty of law: that this Supplement-EZ form and all supporting
�' 'rG�,s� • o �r °vv 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
Signature of esigner - that the engineering plans, specifications, operation and maintenance
agreements and other supporting information are consistent with
�god ��� P•e �� the information provided here.
I am aware that there are significant
ing
��i�lfpC `�t'1� �� ®� (/ t/r5 information including the possibility penalties
off fines lnfalse and imprisonment ome t for knowing
Seal Date violations as well as a report being made to my professional board.
Cover Page 1 11:01 AM 4/4/2019

SAND FILTER
gage area number _ _ _
'Sand Filter3t �.OU
Break down of BUA in the drainage area (both new and existing):
.:.
coastal wetlands area (sq fit)N/A
- Parking / driveway lag ft)
`36823
surface water area (sq ft)
i7✓/A
_ _ — ----—-
- Sidewalk(sq ft)
sf
_
drainage area (sq ft)
752329 sf
- Roof (sq ft)
912327 sf
associated with existing development (sq ft)
140970isE [
- Roadway (sq ft)
_
used new BUA (sq ft),�gg0T0,sf
r. j:
- Other, please specify in the comment box below (sq ft)
N/q
ant BUA of drainage area
18 S! :r Total BUA (sq ft)
2368165f
7q'gp<PiE,iWITIHi`f' EIAP,P.41G/1�L£..5TfJ121>ifiutt+.�TE� v�O„�a,. ,'� ��!iG i+�s.�i' I�°);,Sk�' m,. d11, Ik,atlt;'t,t r��+�hia'��stL�,�, Iljf�ler,j,. 6�lknp?� �, Ls.rj �tv�;l,ri (,i �ktN" N13r. i tt li`i n i x i :. i' r 7 i ar r t a1.
.�iEr`�3
. sf
nwater programs) that apply (please specify)
Design rainfall depth (in)
;i 1
�'
si . `
volume required (cu ft)
rn
t _ i° �
i.
, ,.i a Sr - „� „ ',r .•� E _ii ��r•, �'( r ... ,... � ¢ �
,Minimum
.' y;, r ..:, ';
__
Design volume of SCM (cu ft)
j 3640 cf
Is the SCM sized to treat the SW from all surfaces at build -out?
Is the SCM located on or near contaminated soils?
What are the side slopes of the SCM (H.V)?
Does the SCM have retaining walls, gabion walls or other engineered side sl
Are the inlets, outlets, and receiving stream protected from erosion (I0-year
Is there a a bypass for flows in excess of the design flow?
What is the method for dewatering the SCM for maintenance?
NUfFIF.riEEF QGIFIz ib2i'1iI!l7:OSs Ol �,`1�,�fij'r kr it1 'r9' ihi irr �j ht T i i
SHWT elevation (fmsh
Type of sand filter (open or closed)
If closed, Describe if the filter will be pre -cast or pour -in -place
If closed, top of grate elevation (fmsh
Volume that can be retained in the sediment chamber (cubic feet)
Will there be a permanent pool in the sediment chamber?
Bottom of the sediment chamber (fmsl)
Area of the sediment chamber (square feet)
Physical depth of the sediment chamber (inches)
Ponding depth in the sediment chamber, above any permanent pool dirche.
Elevation of top of weir between chambers (fmsl)
Volume that can be retained In the sand chamber (cubic feet)
Bottom of the sand chamber (fmsh
Area of the sand chamber (square feet)
physical depth of the sand chamber (inches)
Pending depth in the sand chamber, above any permanent pool (inches)
use this space to provide any additional information about this sand
relevant to the review:.
If applicable, with the SCM be cleaned out after construction?
Does the maine_tenance access comply with General MDC (8)?
Does the drainage easement comply with General MDC (9)?
If the SCM is on a single family lot, does the plat comply with General M
Is there an O&M Agreement that complies with General MDC (11)?
Is there an O&M Plan that complies with General MDC (12)?
Was the SCM designed by an NC licensed professional?
f dPH i111111�°,j,....,lrr
Volume of stormwoter from drainage area during design storm (cubic fee
Total volume that can be stored above the sediment and sand chambers
Is this sand filter designed to attenuate peak flows?
Elevation of the bypass device (fmsh
Describe the bypass device:
depth from the top of the sand to the bypass device (ft)
the mechanism for distributing flow over the sand surface:
Iway �
rci ication for sand chamber
Depth above underdrain pipe (inches)
Will the media be maintained to drain at least two inches per hour at the and surface?
Is at least one dean -out pipe provided at the law point of each underdrain line?
Will clean -out pipes be capped?
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-gANn FII TPP
Sand Filter 1
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RAmn FII TFR
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SANn PH TFR
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