SW3180304_Supplement EZ_20180608

SUPPLEMENT -EZ FORM COVER PAGE
Please indicate the types, quantities and locations of SCMs that will be used on this project:
Infiltration System
Bioretention Cell
Wet Pond
Stormwater Wetland
Permeable Pavement
Sand Filter 1
Rainwater Harvesting
Green Roof
Level Spreader -Filter Strip
Disconnected Impervious Surface
Treatment Swale
Dry Pond
Designer information for this project:
Name and Title:
Organization:
Street address:
City, State, Zip:
Phone number(s):
Email:
Designer
Daniel Shabeldeen
,Shabeldeen Engineering, PA
3145 Tate Blvd. SE
Hickory, NC 28602
[phone]
[e-mail]
Northeast corner of site
Applicant:
Project Name:
Kontane Logistics
Address
328 Crawford Rd
City / Town
Statesville, NC
Company:
Kontane Logistics
Contact:
James E. Byrd
Mailing Address:
P.O. Box 1702
City, State, Zip:
,Hickory, NC 28601-1702
Phone number(s):
1(828) 397-5501
Email:
[e-mail]
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
r and belief, true, accurate, and complete; and
Signatu of Designer - that the engineering plans, specifications, operation and maintenance
agreements and other supporting information are consistent with
the information provided here.
I am aware that there are significant penalties for submitting false
7 -Jun -18 information including the possibility of fines and imprisonment for knowing
Date violations as well as a report being made to my professional board.
Cover Page 1 5:43 PM 6/7/2018

SAND FILTER
THE DRAINAGE AREA
Yes
Drainage area number
1
Total coastal wetlands area (sq ft)
sf
Total surface water area (sq ft)
sf
Total drainage area (sq ft)
326540 sf
BUA associated with existing development (sq ft)
Yes
Proposed new BUA (sq ft)
317406 sf
Percent BUA of drainaae area
97%
COMPLIANCE WITH THE APPLICABLE STORMWATER PROGRAM
Stormwater program(s) that apply (please specify): ._µ ..:..
GENERAL MDC FROM 02H.1050
#1 Is the SCM sized to treat the SW from all surfaces at build -out? Yes
#2 Is the SCM located on or near contaminated soils? No
#3 What are the side slopes of the SCM (H:V)? 3:1
#3 Does the SCM have retaining walls, gabion walls or other engineered side slopes? No
#4 Are the inlets, outlets, and receiving stream protected from erosion (10 -year storm)? Yes
#5 Is there a a bypass for flows in excess of the design flow? Yes
#6 What is the method for dewatering the SCM for maintenance? Pump (preferred)
SAND FILTER MDC FROM 02H.1056
Kontane Logistics
1
Break down of BUA in the drainage area (both new and existing):
Parking / driveway (sq ft) 114267 sf
Sidewalk (sq ft) 1161 sf
Roof (sq ft) 191595 sf
Roadway (sq ft) 10382 sf
Other, please specify in the comment box below (sq ft) sf
Total BUA (sq ft) 682136 sf
Design rainfall depth (in) 1.0 in
Minimum volume required (cu ft) 16358 cf
Design volume of SCM (cu ft) 16466 cf
#7 If applicable, with the SCM be cleaned out after construction?
Yes
#8 Does the mainetenance access comply with General MDC (8)?
Yes
#9 Does the drainage easement comply with General MDC (9)?
Yes
#10 If the SCM is an a single family lot, does the plat comply with General MDC (10)?
#11 Is there an O&M Agreement that complies with General MDC (11)?
Yes
#12 Is there an O&M Plan that complies with General MDC (12)?
Yes
#13 Was the SCM designed by an NC licensed professional?
Yes
#1 SHWT elevation (fmsl) 876 It , is#3 Volume of stormwater from drainage area during design storm (cubic feet) 14700 cf
#1 Type of sand fitter (open or closed) Open 1#3 Total volume that can be stored above the sediment and sand chambers (cubic feet) 37250 cf
#1 If closed, describe if the fitter will be pre -cast or pour -in-place: k#3 Is this sand filter designed to attenuate peak flows? Yes
o Elevation of the bypass device (fmsl) 898 ft
#1 If closed, top of grate elevation (fmsl) _ !,#3 Describe the bypass device:
#2 Volume that can be retained in the sediment chamber (cubic feet) 8191 cf 44'x4' pre -cast concrete control structure with open top and trash rack (Crest 898.00) and riprap emergency overflow
- ,,(Crest 898.50)
#2 Will there be a permanent pool in the sediment chamber? No
#2 Bottom of the sediment chamber (fmsl)
895 ft
94 Ponding depth from the top of the sand to the bypass device (ft)
5 ft
#2 Area of the sediment chamber (square feet)
4055 sf,
#5 Describe the mechanism for distributing flow over the sand surface:
#2 Physical depth of the sediment chamber (inches)
_
30 in
Weir flow from the sediment chamber in to the sand fitter basin
#2 Ponding depth in the sediment chamber, above any permanent pool (inches)
30 in
46 Sand specification for sand chamber
#2 Elevation of top of weir between chambers (fmsl)
_
898 ft
tASTM C-33 or Equivalent
#2 Volume that can be retained in the sand chamber (cubic feet)
8275 cf ._q
#2 Bottom of the sand chamber (fmsl)
893 ft
#7 Depth above underdrain pipe (inches)
12 in
#2 Area of the sand chamber (square feet)
350 sf
i48 Will the media be maintained to drain at least two inches per hour at the sand surface?
Yes
#2 Physical depth of the sand chamber (inches)
60 in
49 Is at least one clean-out pipe provided at the low point of each underdrain line?
Yes
#2 Ponding depth in the sand chamber, above any permanent pool (inches)
60 in
#9 Will clean-out pipes be capped?
Yes
ADDITIONAL INFORMATION
Please use this space to provide any additional information about this sand filter that you think
is relevant to the review:
Sand Filter 1 5:42 PM 6/7/2018