20110582 Ver 2_Stormwater Info_20120203

I I- DS 12 2
ONE COMPANY
.Z Many Solutions
Transmittal
IAttention Ms Annette Lucas Date 2/2/2012 Job No 159054 18
To NCDENR Division of Water Quality Wetlands and Stormwater Phone [phone]
Branch
Regarding Healing Springs Ethanol Tetmtnal Facility
We are sending you ® Attached ❑ under separate cover via _ the following items
❑ Shop drawings ❑ Prints ❑ Plans ❑ Samples ❑ Specifications
❑ Copy of Letter ❑ Change Order ❑ Reports ❑ CDs ❑ Other —
Cnrupa nata Nn nParnnfinn
1
2/2012
5
Updated SWMP Narrative (replace narrative in entirety)
1
2/2012
6
Swale calculations (append to SWMP)
1
2/2012
2
Swale Operation and Maintenance Agreements (append to SWMP)
2
2/2012
5
Updated Grading Plans and Details (replace construction drawings)
U
fi
FEB ° 3 LY
DENR wArER
TOR�dI•ygTER 6PANCM
These are transmitted as checked below
® For approval
❑ Approved as submitted
❑ For your use
❑ Approved as noted
❑ As requested
❑ Returned for corrections
❑ For review /comment ❑ Other
❑
Forbids due _
❑ Resubmit _ copies for approval
❑ Submit _ copies for distribution
❑ Retum _ corrected prints
❑ Pnnts returned after loan to us
Remarks Send comments and remarks to Patrick Blandford [phone]
If enclosures are not as noted please notify us at once
HDR Engineering Inc ofthe Carolinas 1 440 S Church Street I Phone [phone]
Suite 1000 fax [phone]
C Documents and SetvngslpblandfolDesktop1401AppendedSubmittal Cover docx Charlotte NC 28202 2075 www hdrnnc com

ALTA >
NCDENR `
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
GRASSED SWALE SUPPLEMENT
This form must be filled out printed and submitted
The Required Items Checklist (Part 111) must also be filled out printed and submitted along with all of the required information
PROJECT INFORMATION ` ° "- _,
11 ` � - � � `
Project name
JT Russell and Brothers Intermodal Ethanol Facility
Contact name
Patrick Blandford
Phone number
(704) 33 8-6746
Date
January 20 2012
Drainage area number
West Swale
II- DESIGN lNF0RMAT10N.:Za4,iA
.�
Site Characteristics
0hon 2 Conveyance Swale. Seeking Pollutant Credit Conveyance Swale, Seeking Pollutant Credit:
Drainage area
27 950 00 fe
Impervious area
17 500 00 ft
Percent impervious
626/ %
Design rainfall depth
100 inch
Peak Flow Calculations
10 yr storm runoff depth
525 in
10-yr storm intensity
727 in/hr
Post- development 10-yr storm peak flow
280 ft3 /sec
Velocity
Side slopes
Maximum non erosive velocity (peak 10 -year storm)
5 50 fVsec
Sod characternsbcs (enter x below)
Sand/silt (easily erodible)
0hon 2 Conveyance Swale. Seeking Pollutant Credit Conveyance Swale, Seeking Pollutant Credit:
Clay ma (erosion resistant)
x
Grass Type (enter x below)
085
Bermuda
Side slopes
Tall fescue
x
Bahiagrass
Kentucky bluegrass
Grass legume mixture
Swale type Fill out one of the options below
Option 1 Curb Outlet Swale
n
(Y or N)
Maximum velocity
Side slopes
1
Swale length
ft
0hon 2 Conveyance Swale. Seeking Pollutant Credit Conveyance Swale, Seeking Pollutant Credit:
y
(Y or N)
Maximum velocity for 10 yr storm
085
f lsec
Side slopes
200
1
Swale length
700 00
ft
OK
Insufficient side slopes Max is 51
OK
e
030971
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Swale Charactenstics
Swale Shape• Enter an x in the appropriate cell below
Trapezoidal
x
Parabolic
V shaped
Width of the bottom of the swale
200 ft
Width of the top of the swale
It
Additional Information
Is the swale sized for all runoff from ultimate build -out?
y (Y or N)
OK
Is the BMP located in a proposed drainage easement with a
y (Y or N)
OK
recorded access easement to a public Right of Way (ROW)?
What is the distance from the bottom of the swale to the SHWT?
590 70 It
OK
What is the ground level elevation?
590 70 fmsl
What is the elevation of the bottom of the Swale?
590 70 fmsl
What is the SHWT elevation?
0 00 fmsl
What is the longitudinal slope of the swale?
040 /
OK
What is the depth of freeboard?
100 ft
OK
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Red gl t h ppe ngh h d drat de g w
P1 me oompl to the yelax shaded item
&
WDEHR d
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
GRASSED SWALE SUPPLEMENT
This forth must be rdled out printed and submitted
The Required Items Checklist (Part III) must also be filled out printed and submitted along with all of the required mformahon
I PROJECTINFORMATION
Protect me JT Russell and Brothers Intemodai Ethanol Facility
Contact in Pdn& Blandlord
Phon mber (704) 3385746
Date Jan ry 20 2012
Drainage area n mber East Swal
0 DESIGN INFORMATION
Site Ch ractedsttcs
Dra ag area
14 962 00 flz
Imperwou area
it 750 00 ft
Percent mpernou
785%%
Desig ra fall depth
100 do
Peak Flow C to Man
10-yr storm ru OR depth
525
10-yr storm intensity
727 n83
Post-development 10-yr storm peak flow
150 ft3 /SeC
V bitty
Max m m nomerosive velocity (peak 10-y ar storm)
5 50 ftlsec
Sal characts stns (enter b low)
Sandlsit (eastty ekod'ble)
Clay in ( roson resrstmQ
Grass Type (enter below)
Berm it
T II to=
Bahragress
Kentucky bluegrass
G ass -legum mature
Swal type F 11 ut on of 8re options below
Oobo 1 Curb Outlet Swale
(Y or N)
Max in in eloaty
Sid lopes
1
Sw Is length
It
Option 2 Con ey oe Swab. Seek a P ilutent Credit
y (Y or N)
Maournum veb* for 10-yr storm
090 ft/sec
OK
S it lopes
2.00 1
1 sufficient snit lope Max 51
Swale Is gth
40000 ft
OK
Swal Charactedstt
Swale Shape Ems an m th approp ate cell below
Trapezoid I
Parabol
V- shaped
WKM of the bottom of the swale
It
Wdth of thetop of th swale
It
Additt at lnfomrah
I th swale sized for all runoff from Ihmate b k trout?
y (Y or N)
OK
I th BMP located proposed dre ag easement wdh
y (Y or N)
OK
receded access easement to p bfi R ght of W y (ROW)?
What th data ce from th bottom of th sw la to th SHWT
585 85 ft
OK
What 1h grou it level levabon?
585 85 fmsl
What M lavabo of th bottom of th swals?
585 85 fmS1
�\
What th SHWT Is abon?
000 fmsl
What th longdud al slope of M swale? 080% OK
What th depth f freeboard? 100 ft OK
a -
Lr
030971
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Flow Analysis and Channel Calculations
0 0 �
� s
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® 030971
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C=
06
West Swale
L
Up h
Dwn h
delta h
i
I=
727
in/hr
ft
ft
ft
ft
ft/ft
A=
064
acres
700
59385
5907
315
0 004
Q10 =
28
cfs
Manning s Equation
Q v
B
Y
z Left z Right
A
n P
R
VR
cfs fps
ft
ft
sq ft
ft
28 085
2
088
2 2
331
008 594
056
047
Use tall fescue bluegrass
or bahiagrass (34 ) or bermuda grass (2 5) at minimum
C=
06
East Swale
L
Up h
Dwn h
delta h
i
I=
727
in /hr
ft
It
ft
ft
ft/ft
A=
034
acres
400
58908
58585
323
0 008
Q10 =
15
cfs
Manning s Equation
Q v
B
Y
z Left z Right
A
n P
R
VR
cfs fps
ft
ft
sq ft
ft
15 09
2
055
2 2
1 70
008 446
038
034
Use tall fescue bluegrass or bahiagrass (3-4) or bermuda grass (2 5) at minimum
0 0 �
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III REQUIRED ITEMS�CHECKLIST `&, ,v4 �% Z � � 14
n r
Please indicate the page or plan sheet numbers where the supporting documentation can be found An incomplete submittal package will
result in a request for additional information This will delay final review and approval of the project Initial in the space provided to
indicate the following design requirements have been met If the applicant has designated an agent the agent may initial below If a
requirement has not been met attach justification
Initials Pagel Plan
Sheet No
PNB P -01 1 Plans (1 = 50 or larger) of the entire site showing
Design at ultimate build out
Off site drainage (if applicable)
Delineated drainage basins (include Rational C coefficient per basin)
Swale dimensions (width length depth)
Maintenance access
Proposed drainage easement and public right of way (ROW)
Grass species and
Boundaries of drainage easement
PNB T 18A and 2 Plan details (1 = 50 or larger) for the grassed Swale showing
T 19 Swale dimensions (width length depth)
Maintenance access
Proposed drainage easement and public right of way (ROW)
Design at ultimate build out
Grass species
Off site drainage (if applicable) and
Boundaries of drainage easement
PNB T 25 3 Section view of the grassed swale (1 = 20 or larger) showing
Side slopes
Longitudinal slope
Freeboard
Swale dimensions and
SHWT level(s)
PNB attached 4 Supporting calculations (including maximum velocity calculations for applicable storms)
PNB attached 5 A copy of the signed and notarized operation and maintenance (0 &M) agreement
PNB not applicable 6 A copy of the deed restncbons (if required)

BMP CALCULATIONS, DESIGN, and SUPPORTING
INFORMATION
for the
INTERMODAL ETHANOL TERMINAL
HEALING SPRINGS, NORTH CAROLINA
Prepared for
JT RUSSELL AND SONS, INC
Prepared by
PATRICK BLANDFORD, PE
HDR Engineering of the Carolinas, Inc
Charlotte NC
(704) 338 -6746
A GRANSUER DICK, PE
Chambers Engineering, PA
Albemarle, NC
(704) 984 -6427
Revised February 2012

1 Project Background
The proposed project for the JT Russell Intermodal Ethanol Facility (Project) is located south and west of
the intersection of NC Highway 8 and the High Point Thomasville Denton Railroad near Bringle Ferry
Road in Davidson County The Project site is comprised of approximately 50 acres (Davidson County PIN
#0902800000006) located near the town of Healing Springs North Carolina (35 61322 8017758 )
within the Yadkin Pee Dee River Sub Basin 03 07 08 The Project drains immediately to Lick Creek
before entering Tuckertown Reservoir
The Project entails the construction of a parallel lead track unit train railroad yard composed of four (4)
parallel tracks and rail ladder ethanol transfer facilities (i a pumps and piping) and two — 2 5 million
gallon ethanol storage tanks adjacent to the existing JT Russell liquid asphalt emulsion terminal facility
Ethanol is pure alcohol that has been denatured with gasoline up to 2 5% of its total volume Plan Sheet
P 1 provides an overview of the site layout and proposed Project
2 Regulatory Compliance
The Project requires various environmental permitting including compliance with Water Supply
Watershed regulations Spill Prevention Control and Countermeasures (SPCC) Rule and Division of
Water Quality (DWQ) 401 Water Quality certification as it pertains to this review and BMP design The
Project involves the development of 19 5 acres of undisturbed land resulting in 54% imperviousness (in
the project area) however the overall parcel is much less impervious (approximately 17 %) Due to its
location in the Tuckertown Reservoir watershed it is subject to the WSW IV ordinance administered by
Davidson County s Planning Department the project is located in the protected portion of the
watershed As such the Project does not exceed high density thresholds of 24% built upon area (BUA)
and therefore is not required to provide any engineered storm water controls for water quality
protection However it is anticipated that 401 Water Quality certification will require a Storm Water
Management Plan and subsequent engineered storm water controls for compliance The low density
classification per Storm Water Conditions in General Certifications 3819 and 3821 states
• All storm water from the site must be transported primarily via vegetated conveyances
designed in accordance with the most recent version of the NC DWQ Storm water BMP
Manual
• The project must not include a storm water collection system (such as piped conveyances) as
defined in NCAC 2B 0202
This Project includes multiple instances of storm water collection systems that not only provide site
drainage but must also be maintained for spill control subject to the SPCC Rule therefore it anticipated
that engineered structural controls may be required to satisfy the high density requirements of the 401
Water Quality certification High density areas are required to be treated by Best Management Practices
(BMPs) that are designed to remove 85% total suspended solids Compliance with the SPCC is required
due to the above ground storage of an oil product in excess of 1320 gallons
The rail yard tank farm and truck loading areas are designed with storm water drainage systems
consisting of inlets pipes underdrains and outlets The rail yard and tank farm have drainage systems
that also double as spill containment systems Spill containment systems are systems that are sized to
collect a potential spill and prevent discharge to navigable waters prior to clean up efforts This is
typically done by maintaining a closed valve on the system drainage /discharge pipe As a result of

maintaining a closed value periodically storm water will collect in the system and need to be manually
discharged after an inspection has been performed to ensure it s not contaminated
The rail yard is required to also provide water quality treatment (i a 85% reduction of total suspended
solids) given the extensive proposed impervious area to remain after construction The truck loading
area does not have spill potential but will need to comply with the 85% reduction of total suspended
solids as well
The tank farm consisting of an earthen ring levee and vegetated compacted clay linear will have
primarily a very passive use with respect to pollutant generation Given this semi pervious land cover
the passive use and the requirement to inspect and manually release storm water from the system
DWQ staff has granted an exemption to fully treating the storm water It is anticipated that the limited
pollutants in the storm water would settle out before being manually released In addition a level
spreader and filter strip have been planned for and designed to treat any resulting pollutants in the
manual storm water discharges from the tank farm
The parallel lead track does not include any storm water collection systems other than a drainage ditch
alongside the railroad embankment This area outfalls in a hydrologically different area than the rest of
the site and is located exclusively in the railroad right of way Given its linear and transportation
oriented design the area will be managed consistent with 12a of Storm Water Conditions in General
Certifications 3819 and 3821 which states that storm water be treated to the maximum extent
practicable in accordance with the practices described in the North Carolina Department of
Transportation BMP Manual Swales were identified as the preferred BMP for this location
3 Water Quality Treatment Strategy
As previously discussed the rail yard and truck loading areas are required to have structural BMPs to
provide an 85% reduction in total suspended solids The total proposed BUA for the Project is 8 1 acres
across 12 unique sub basins Three (3) new outfalls will be created as a result of the Project and two (2)
existing drainage areas and outfalls will have new BUA proposed within their limits The Project is being
served by four (4) BMPs The four (4) BMPs will treat storm water from 4 7 acres of proposed BUA and
15 acres of existing BUA previously untreated The existing BUA was developed prior to water quality
regulations The BMPs treat a total of 6 2 acres of BUA the remaining 2 2 acres which exist in the Tank
Farm sub basin have been exempted by DWQ staff as previously discussed The three (3) BMPs include
two (2) grass vegetated bioretention basins and a wet pond
The parallel lead track will be managed to the maximum extent practicable meeting the design
specifications outlined in the North Carolina Department of Transportation BMP Manual Two swales
will be constructed to accept drainage from the lead track and treat it during conveyance to the point of
discharge at the improved railroad culvert The West Swale drains approximately 0 6 acres of which 0 4
acres are impervious (i a railroad ballast) The East Swale drains approximately 0 34 acres of which 0 26
is impervious
The following tables and accompanying Project drainage plan summarizes this information

Water Quality Treatment Summary
for Rail Yard and Tank Farm
Sub basin
ID
Drainage
Proposed
Existing
Treatment
BMP
Lead Track (West
Swale)
WS
Area
BUA
BUA
Status
Swale
Lead Track (East Swale)
I ES
(acres)
(acres)
(acres)
Treated
Swale
West Turnout Ladder
R1
0 2
0 1
0 0
Not Treated
066
(Untreated)
Total to be Treated
066
0
East Turnout Ladder
R2
0 3
0 2
0 0
Treated
Bioretention
(Treated)
East
West Rail Yard
R3
24
08
00
Treated
Bioretention
West
R4
3 5
2 7
00
Treated
Bioretention
East Rail Yard
East
R6
19
0 3
0 1
Treated
Bioretention
Rail Yard Access Road
East
North of Loading Area
F1
10
0 1
01
Not Treated
Loading Area
F2
3 7
10
0 2
Not Treated
F3
2 2
2 2
00
Exempted
Level Spreader/
Tank Farm
Filter Strip
Inner Loop
F4
13
02
08
Treated
Wet Pond
Outer Loop
F5
0 3
0 1
0 1
Treated
Wet Pond
North of Spur
F6
11
04
00
Treated
Wet Pond
West Spur Wet
F7
07
00
05
Treated
Wet Pond
Detention
Total Project
186
8 1
18
Total Required for Treatment
5 9
Total to be Treated
1 47
15
Water Quality Treatment Summary for Parallel
Lead Track
Sub basin
ID
Drainage
Area
(acres)
Proposed
BUA
(acres)
Existing
BUA
(acres)
Treatment
Status
BMP
Lead Track (West
Swale)
WS
0 6
0 4
0 0
Treated
Swale
Lead Track (East Swale)
I ES
034
026
00
Treated
Swale
Total Project
094
066
0
Total Required for Treatment
066
Total to be Treated
066
0
4 BMP Design Modifications
The following design modifications are being requested as variance from the North Carolina Division of
Water Quality Stormwater Best Management Practices Manual A reason for the variance is also
provided

1 The East Rail Yard Bioretention area receives 5 7 acres of drainage exceeding the recommended
5 acre maximum limit The increase is only 0 7 acres and the stormwater from this drainage
area must be detained in a secondary containment and manually released to the bioretention
area This will afford the operator to gradually release the water to the bioretention area
minimizing typical disturbances associated with larger drainage areas
2 The East and West Swales designed to treat runoff from the parallel lead track are required to
have 2 5 1 (H V) side slopes in order to maintain the improvements within the railroad right of
way and not impact existing utilities currently near the proposed toe of slope This side slope is a
industry standard for railroads and does not conform with the suggested 3 1 however the
longitudinal slopes of these channels are on the bottom range of requested slopes The flat
slopes result in 10 year velocities of 0 85 and 0 9 feet per second The low velocities coupled
with the distribution of runoff through the railroad ballast should provide adequate contact time
to treat water quality
5 Geotechnical /Sorel Report
A Geotechnical Report was prepared by Bunnell Lammons Engineering Inc for Chambers Engineering
PA in June 2011 As part of this report geotechnical investigation was performed for the site The full
report is included in this submittal
As part of the geotechnical investigation soil borings were performed at 23 locations across the site
including areas in proximity to the proposed six BMPs Boring depths ranged from 6 18 5 feet deep and
in no boring hole was ground water encountered during the boring process and up to a period 24 hours
after boring completion It is anticipated that ground water elevations will not impact operation of any
of the three proposed BMPs
Soil profiles consist of clayey soils near the surface underlain by sandy silts and silty sands These soils
depths gradually transition into partially weathered rock underlain by bedrock formations All proposed
BMPs are designed to be underdrained to provide complete drawdown and there is no specification to
use onsite material for the construction of filter media

Permit Name
(to be provided by DWQ)
Drainage Area Number
Grassed Swale Operation and Maintenance Agreement
I will keep a maintenance record on this BMP This maintenance record will be kept in a
log in a known set location Any deficient BMP elements noted in the inspection will be
corrected repaired or replaced immediately These deficiencies can affect the integrity
of structures safety of the public and the removal efficiency of the BMP
Important maintenance procedures
— The drainage area of the grassed swale will be carefully managed to reduce the
sediment load to the grassed swale
— After the first time fertilization to establish the grass in the swale fertilizer will
not be applied to the grassed swale
The grassed swale will be inspected once a quarter Records of operation and
maintenance will be kept in a known set location and will be available upon request
Inspection activities shall be performed as follows Any problems that are found shall
be repaired immediately
BMP element
Potential problem
How I will remediate the problem
The entire length of the
Trash /debrLs is present
Remove the trash /debris
swale
Areas of bare soil and /or
Regrade the soil if necessary to
erosive gullies have formed
remove the gully and then re sod
(or plant with other appropriate
species) and water until established
Provide lime and a one fame
fertilizer application
Sediment covers the grass at
Remove sediment and dispose in an
the bottom of the swale
area that will not impact streams or
BMPs Resod if necessary
Vegetation is too short or too
Mamtam vegetation at a height of
long
approxim atel six inches
The receiving water
Erosion or other signs of
Contact the NC Division of Water
damage have occurred at the
Quality 401 Oversight Unit at 919
outlet
7331786
Form SW401 Grassed Swale O &M Rev 3 Page 1 of 2

Permit Number
(to be provided by DWQ)
I acknowledge and agree by my signature below that I am responsible for the
performance of the maintenance procedures listed above I agree to notify DWQ of any
problems with the system or prior to any changes to the system or responsible party
Project name Healing_ Springs Ethanol Terminal Facility
BMP drainage area number.Negh Swale
NOV
Print name A James Russell
Title Secretary/ Treasurer
Address 1721 US HM 52, Albemarle, NC 28001
Phone
Signati
Date Z%Air /pL
Note The legally responsible party should not be a homeowners association unless more than 50% of
the lots have been sold and a resident of the subdivision has been named the president
I L i Q h IJ a Notary Public for the State of
N C, County of s—io n I do hereby certify that
�1 QIrY1'.S RIa�SQ f personally appeared before me this
day of OAK X I Land acknowledge the due execution of the
forgoing grassed swale maintenance requirements Witness my hand and official seal
V
NO iARY
PUBLIC
in
SEAL n �Tw
My commission expires
Form SW401 Grassed Swale O &M Rev 3 Page 2 of 2

Permit Name
(to be provided by DWQ)
Drainage Area Number
Grassed Swale Operation and Maintenance Agreement
I will keep a maintenance record on this BMP This maintenance record will be kept in a
log in a known set location Any deficient BMP elements noted in the inspection will be
corrected repaired or replaced unmediately These deficiencies can affect the mtegrity
of structures safety of the public and the removal efficiency of the BMP
Important maintenance procedures
- The dramage area of the grassed swale will be carefully managed to reduce the
sedunent load to the grassed swale
- After the first time fertilization to establish the grass in the swale fertilizer will
not be applied to the grassed swale
The grassed swale will be inspected once a quarter Records of operation and
maintenance will be kept in a known set location and will be available upon request
Inspection activities shall be performed as follows Any problems that are found shall
be repaired immediately
BMP element
Potential problem
How I will remediate the problem
The entire length of the
Trash /debris is present
Remove the trash /debris
Swale
Areas of bare soil and /or
Regrade the soil if necessary to
erosive gullies have formed
remove the gully and then re sod
(or plant with other appropriate
species) and water until established
Provide lime and a one time
fertilizer application
Sediment covers the grass at
Remove sediment and dispose in an
the bottom of the swale
area that will not impact streams or
BMPs Resod if necessary
Vegetation is too short or too
Maintain vegetation at a height of
long
approximately six inches
The receiving water
Erosion or other signs of
Contact the NC Division of Water
damage have occurred at the
Quality 401 Oversight Urut at 919
outlet
7331786
Form SW401 Grassed Swale O &M Rev 3 Page 1 of 2

Permit Number
(to be provided by DWQ)
I acknowledge and agree by my signature below that I am responsible for the
performance of the maintenance procedures listed above I agree to notify DWQ of any
problems with the system or prior to any changes to the system or responsible party
Project name Healing Springs Ethanol Terminal Facility
BMP drainage area number Sewn Swale
rG1KT,
Print n
Title
Addre;
Phone
Signati
Date %Z-
Note The legally responsible party should not be a homeowners association unless more than 50% of
the lots have been sold and a resident of the subdivision has been named the president
I L.el h B a Notary Public for the State of
(J County of 6t -A do hereby certify that
i �Clh'1CS Q.aSS�I,C personally appeared before me this Z4 -"'
day of TQri and acknowledge the due execution of the
forgoing grassed swale maintenance requirements Witness my hand and official seal
1�N lB� I I I`ISIA ' /'i
���,��.
.f .ter
_J` G
N07 -ARy
PUBLIC
v�
SEAL J �.
My commission expires l� f
Form SW401- Grassed Swale O &M Rev 3 Page 2 of 2

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Chambers Engineering, PA
N.C.B.E.L.S. License Number., C-1660
129 North First St., Albemarle, NC 28001704- 984.6427
HDR Engineering, Inc.
of the Carolinas
N.C.S.E.L.S. License Number: F -0116
440 S Church Street, Suite 10001 Charlotte, NC 28202
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