SW7080911_COMPLIANCE_20081210

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
❑ HISTORICAL FILE
COMPLIANCE EVALUATION INSPECTION
DOC DATE
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FINANCIAL RESPONSIBILITY/OWNERSHIP FORM
SEDIMENTATION POLLUTION CONTROL ACT DEC 10 2008
No person may initiate any land -disturbing activity on one or more acres as covered by the Act before this
form and an acceptable erosion and sedimentation control plan have been completed anPapp'roved.by, the `If�%
Land Quality Section, N.C. Department of Environment and Natural Resources. (Please type or print and, if
the question is not applicable or the e-mail and/or fax information unavailable, place N/A in the blank.)
Part A.
1. Project Name Griffins Beach PUD
2. Location of land -disturbing activity: County Beaufort City or Township_Lona Acre Twshp
Highway/Street NC 32 & Griffins Beach Rd. Latitude 35030'09.01" N Longitude 76°59'40.93" W
3. Approximate date land -disturbing activity will commence: --March, 2009
4. Purpose of development (residential, commercial, industrial, institutional, etc.): Residential
5. Total acreage disturbed or uncovered (including off -site borrow and waste areas): 53.83 ac.
6. Amount of fee enclosed: $ 3 510 00 . The application fee of $65.00 per acre (rounded up to the
next acre) is assessed without a ceiling amount (Example: a 9-acre application fee is $585).
7. Has an erosion and sediment control plan been filed? Yes No Enclosed X
8. Person to contact should erosion and sediment control issues arise during land -disturbing activity.
Name William E. Hollan, Jr.
Telephone-336)722.2236 Cell #
E-mail Address bill®tumpikews com
Fax A .[phone]
9. Landowner(s) of Record (attach accompanied page to list additional owners):
See Attached Sheet
Name
Current Mailing Address
City
Telephone
Current Street Address
State Zip City
10. Deed Book No. See attached Sheet Page No. See attached Provide a copy of
Fax Number
DEC 1 0 2
Part B. LAND QUALITY SECTION
WASHINGTON REGIONAL OFFICE
1. Person(s) or firm(s) who are financially responsible for the land-dis y row Jea
comprehensive list of all responsible parties on an attached sheet):
_Turnpike Properties LLC [e-mail]
Name E-mail Address
1100-C South Stratford Road Suite 300 1100-C South Stratford Road. Suite 300
Current Mailing Address Current Street Address
Winston Salem NC 27103
City State Zip
Winston Salem NC 27103
City State Zip
Telephone_ [phone] Fax Number [phone]

I,, �'c. . ' �,• %
2. (a) If the Financially Responsible Party is not a resident of North Carolina, give name and street address
of the designated North Carolina Agent:
Name
Current Mailing Address
City
State Zip
E-mail Address
Current Street Address
City
Telephone Fax
State Zip
(b) If the Financially Responsible Party is a Partnership or other person engaging in business under an
assumed name, attach a copy of the Certificate of Assumed Name. If the Financially Responsible
Party is a Corporation, give name and street address of the Registered Agent:
_ William E. Hollan, Jr, bill Oturnplkews com
Name of Registered Agent E-mail Address
1100-C South Stratford Road, Suite 300
Current Mailing Address
Winston Salem NC 27103
City State Tip
Telephone [phone]
1100-C South Stratford Road. Suite 300
Current Street Address
Winston Salem NC 27103
City State Zip
Fax Number [phone]
The above information is true and correct to the best of my knowledge and belief and was provided
by me under oath (This form must be signed by the Financially Responsible Person if an individual
or his attorney -in -fact, or it not an individual, by an officer, director, partner, or registered agent with
the authority to execute instruments for the Financially Responsible Person). I agree to provide
corrected information should there be any change in the information provided herein.
William E. Hot an, Jr
Type or in name
Signature
CEO. Turnpike Properties, LLC
Title or Authority
Date 1
-,a Notary Public of the County of F.�rs r li�-
State,of North Carolina, hereby certify tha✓i r appeared
personally before me this day and being duly sworn acknowledged that the above form was
executed by him.
Witness my hand and notarial seal, this </ day of a , </� , 20 6 e
RITA FLEMING
Notary Public - North Carolina
Forsyth County
My CommiaefEr�irea '/ /i�
Notary
Mycmissionexpires '�,/;_�:.,

STORMWATER SUBMITTAL REQUIREMENTS
WET DETENTION POND
Objective
A. Collect all runoff from all BUA (proposed and/or existing and/or offsite) as the case may be,
by any means including piping or swales, and direct it to the pond.
B. Check the proposed pond design to make sure it meets or exceeds the minimum design
criteria for surface area, volume and drawdown.
It. What makes up a complete wet detention pond application package?
A. Two sets of sealed, signed & dated layout & grading plans with appropriate details.
(Additional sets of plans may be requested for projects in certain counties)
B. Completed application with supplement(s), SWU-101, SW401-Wet Pond, and inspection and
maintenance agreements.
C. Deed restriction document, if applicable (for subdivisions & projects with out parcels)
D. Sealed, signed & dated calculations.
E. Estimated seasonal high water table elevation at all pond locations.
F. Chlorides test results must be provided if the project is within '/z mile of SR waters (Phase II).
(This is only required to test out of SR water treatment requirements)
III. BIMS entry (for DWQ use only)
Enter & track application acknowledged date, review date, add info requested/received dates, permit
issue dates, and drainage area info. Best done after the add info letter is written and before sending
permit up for signature.
IV. Shell documents (for DWQ use only)
Permit shells: s:\wqs\stormwater\shells\highcom pond
s:\wqs\stormwater\shells\highsubpond
s:\wqs\stormwater\shells\HDhybrid
Spreadsheet: s:\wqs\stormwater\excel spreadsheets\pond
VI. Review Procedure
A. APPLICATION
✓1.
✓2.
note
7tt? 6a
4.
i ✓5.
✓6
✓7
An original signature is required. Photocopied signatures cannot be accepted.
A completed wet detention pond supplement and a signed, dated and notarized wet
detention pond Inspection and Maintenance Agreement with an original signature.
The numbers on the supplement match up to the numbers used in the calculations and
shown on the plan details.
Built -upon areas are reported in square feet in Section 111.6.
Receiving stream name and classification. This is important because in the non -Phase
II counties, a wet pond cannot be used on a project that is within'/ mile of and draining
to SA waters. For Phase 11, a wet pond is allowed within '/2 mile of SA waters.
Section 111.6 is filled in -cannot be left blank. One column must be filled in for each
proposed wet pond.
If the applicant is a corporation, partnership or LLC, look it up on the Secretary of State
Corporations Database. Make sure corporation is spelled correctly (capitalization and
punctuation matter) and that the person signing the application is at least a vice-
president in the corporation, a General Partner in the partnership, a member in a
member -managed LLC, or the manager of a manager -managed LLC. Need
documentation to support if the Articles of Incorporation do not list the members or
managers of the LLC. If an agent signs, then a letter of authorization is needed from the
president, vice president, general partner, member or manager.
For subdivided projects, a signed and notarized deed restriction statement must be
provided.

Wet Detention Pond, cont.
r"
B. C/jLCULATIONS
71. The orifice is sized based on drawing down the calculated minimum volume in 2-5
days. The average head to use in the orifice equation is approximately one-third of
the distance between the permanent pool elevation (PPE) and the elevation of the
next available outlet above the permanent pool. The elevation of the next available
outlet must be either the elevation where the minimum volume is provided, or it can
be higher. The temporary pool elevation (TPE) to report on the supplement will be
the elevation of the next available outlet above the PPE. The temporary pool volume
(TPV) to report on the supplement is the volume between the specified PPE and the
TPE.
2 ff4For Phase II projects that are within'/ mile of and draining to SR waters, the
difference in runoff from the predevelopment and post -development conditions for
the 1 year 24 hour storm must be controlled and treated.
3.� For Phase II projects, the discharge rate leaving the pond can be no more than the
pre -development discharge rate for the 1 year 24 hour storm.
4.0 For Phase II projects draining to SA water, no discharge to surface waters may occur
,1 from wet ponds. The discharge leaving the orifice must be effectively infiltrated prior to
reaching surface waters.
5.1 The average pond depth is the permanent pool volume divided by the permanent pool
surface area. The result must be between 3 ft. and 7.5 ft. Parts of the pond can be
deeper than 7.5 ft., but in no case can any part of the pond be less than 3 ft deep.
/6. If the 85% rt is used a 30' vegetated filter must be provided at the outlet of the pond. If the90% S chart is used, no filter is required.
V 7. Use the co A/DA TSS chart from the BMP Manual noting that there are different
charts for different areas of the State.
18 Required surface area at permanent pool
J
J
9. Provided surface area at permanent pool (Based on pond dimensions)
10. Required volume calculation based on 1.5" storm for Phase II projects* and 1" storm for
all others projects. *unless the project is Phase II and within '/z mile of and draining to
SR waters then the volume calculation must be based on difference between the pre
and post development conditions for the 1-yr 24-hr storm.
11. Table of elevations, areas, incremental volumes and accumulated volumes for overall
pond and for forebay, to verify volumes provided.
12. Forebay designed to hold 20% of the permanent pool volume. (Range of 18%-22%
.1 jL OK.)
'Non -erosive flow for 10 yr. storm in the vegetated filter, if using 85% TSS.
The seasonal high water table must be at or below the proposed permanent pool
elevation to assure that the necessary volume will be available above the permanent
pool.
Rounding numbers off during the calculation process can result in deficiencies. Do not
round the numbers until you get to the final result.
An additional one foot must be excavated below the bottom elevation of the pond. The 1
foot sediment accumulation depth is not included in the average depth calculation.

Wet Detention Pond, cont.
C. PLANS- Due to storage space constraints, plan sheets should be kept to a minimum. For
small commercial single wet pond projects, the plan set could consist of only 2 or 3 sheets,
layout,
grading and details. For larger projects, show as much information as possible on as
few
sheets as possible, without cluttering them up.
1
Development/Project Name
�/2.
Engineer name and firm.
Legend
f/ 4.
North Arrow
5.
Location Map with nearest intersection of two major roads shown. Major road is any 1,
�
2, or 3 digit NC, US or interstate highway.
Scale- standard engineering scale, no off-the-wall stuff.
V
�7.
Date
8.
Revision number and date, if applicable.
9.
Original contours, proposed contours, spot elevations, finished floor elevations, pipe
inverts, swale inverts, etc.
11 0.
Existing drainage (piping, swales, ditches, ponds, etc.), including off -site. Include a map
delineating the offsite drainage areas.
11.
Property/Project boundary lines, bearing & distances.
Mean High Water Line or Normal High Water Line, if applicable.
2
13.
The permanent pool elevation must be above the SHWT and above the lowest
elevation of adjacent wetlands. Evaluate the need for a liner and/or berm/slurry wall to
prevent dewatering the wetland.
14.
Drainage easement widths, pipe sizes and swale inverts are provided.
15.
Wetlands delineated, or a note on the plans that none exist. Get a copy of the wetlands
delineation map signed by the Corps of Engineers, or have the applicant include a copy
of the unsigned delineation map submitted to the Corps. Wet ponds may not be located
in wetlands unless permit tgfill those wetlands has been obtained.
16.
Details for the reds, parki cul-de-sacs, including sidewalk width, radii, dimensions &
slopes.
17.
Apartment / Condo development- Provide a typical building footprint with dimensions
and note all concrete and wood deck areas.
18.
The drainage area for each wet pond is clearly delineated and numbered to match up to
the calculations and supplement. Drainage area delineation is best done as a separate
plan sheet.
19.
A pond section detail to include the forebay, a 10 foot wide vegetated shelf, pertinent
elevations for the bottom, permanent pool, temporary pool, and SHWT, 3:1 slopes
above the permanent pool, and the weir elevation between the main pond and the
Zforebay.
20.
The 10 vegetated shelf extends 6" below and 6" above the permanent pool elevation.
21.
An outlet structure detail showing a trash rack with <_6" square openings, the necessary
orifice invert elevation (i.e., the permanent pool), orifice size and temporary pool
elevation.
V 22.
Dimensions for each line and arc formed by the permanent pool contour.
24Y�Where the 85% TSS chart was used, a 30 ft. vegetated filter strip is required to be
shown on the plans & detailed (elevations, inverts, slopes, and flow spreader
mechanism). Please note that the filter strip is not a ditch.
A forebay is provided for each inlet and located so as to prevent short-circuiting.
✓24.
25.
The pond must have a minimum 1.5:1 length to width ratio and a minimum 3:1 flow path
length. Artificial "baffles" of timber, vinyl, or earth can be used to create a longer flow
path. The top elevation of the baffle should be set at the temporary pool elevation or
higher.
26.
A Vegetation plan is specified for the pond, including slopes. Wetlands species are
listed for planting on the 10:1 shelf. Weeping Love Grass is not suitable as a permanent
vegetated cover for pond slopes.
✓27.
All roof drainage must be directed to the pond. Show the roof drain collection lines on
the plan. This is necessary for projects where the buildings back up the property lines
where roof drainage may leave the site prior to going through the pond.

STORMWATER SUBMITTAL REQUIREMENTS
INFILTRATION/EXFILTRATION SYSTEMS
Basins and Trench
Objective
A. Collect all runoff from all BUA (proposed and/or existing and/or offsite) as the case may be,
by any means including piping or swales, and direct it to the infiltration system.
B. Check the proposed basin/ trench design to make sure it meets or exceeds the minimum
design criteria for design storm, volume and drawdown.
What makes up a complete infiltration basin / trench application package?
A. Two sets of sealed, signed & dated layout & grading plans with appropriate details.
B. Completed application with supplement(s), SWU-101, SW401-Infiltration Trench, SW401-
Infiltration Basin, and inspection and maintenance agreements.
C. Deed restriction document, if applicable. (subdivisions & projects with out parcels)
D. Sealed, signed & dated calculations.
E. A soils report containing information in regard to the soil type, boring locations, seasonal high
water table elevation and expected infiltration rate.
F. Chlorides test results must be provided if the project is within ''/z mile of SR waters (Phase 11).
(This is only required to test out of SR water treatment requirements)
III. BIMS entry (for DWQ use only)
Enter & track application acknowledged date, review date, add info requested/received dates, permit
issue dates, and drainage area info. Best done after the add info letter is written and before sending
permit up for signature.
IV. Shell documents (for DWQ use only)
Permit shells: s:\wqs\stormwater\shell\shighcom in basin
S:\wqs\stormwater\shells\highcomintrench
s:\wqs\stormwater\shells\highsubinbasin
s:\wqs\stormwater\shells\highsubintrench
Calculations: s:\wqs\stormwater\excel spreadsheets\inbasin
s:\wqs\stormwater\excel spreadsheets\intrench
V. Review Procedure- look for consistency between the various elements of the package- application,
plan and calculations.
A. APPLICATION
1. Original signatures are required. Photocopied signatures cannot be accepted.
2. A completed infiltration basin or infiltration trench supplement, one for each proposed
system. A signed, dated and notarized Inspection and Maintenance Agreement for
each proposed system with an original signature.
3. The elevations, areas and volumes reported on the supplement match up to the
numbers used in the calculations and shown on the plan details.
4. Built -upon areas are reported in square feet in Section 111.6.
5. Receiving stream name and classification.
6. Section 111.6 is filled in -cannot be left blank. One column must be filled in for each
proposed infiltration basin or trench.
7. If the applicant is a corporation, partnership or LLC, look it up on the Secretary of State
Corporations Database. Make sure corporation is spelled correctly (capitalization and
punctuation matter) and that the person signing the application is at least a vice-
president in the corporation, a General Partner in the partnership, a member in a
member -managed LLC, or the manager of a manager -managed LLC. Need
documentation to support if the Articles of Incorporation do not list the members or
managers of the LLC. If an agent signs, then a letter of authorization is needed from the
president, vice president, general partner, member or manager.
8. For subdivided projects, a signed and notarized deed restriction statement must be
provided.
9. Soils report with the SHWT, Soil type and expected infiltration rate.

Infiltration Basin & Trench, cont.
B. CALCULATIONS
1. The basin or trench must draw down within 5 days. Spray irrigation is not acceptable as
the sole means of drawdown.
2. The design storm is 1.5" if the project is subject to Phase II or is sited within ''/z mile of
and draining to SA waters. The design storm for projects subject to Phase II sited
within '/z mile of and draining to SR waters must treat the difference between the pre
and post development conditions for the 1-yr 24-hr storm. Otherwise, use 1" design
storm.
3. Report the bottom surface area.
4. Report the surface area at the overflow elevation.
5. Show the calculation for the minimum required volume.
6. Provide a table of elevations, areas, incremental volumes and accumulated volumes to
demonstrate that the minimum required volume has been provided.
7. Calculations are signed, sealed & dated.
8. Report the Drainage Area and Built -upon area for each basin or trench.
9. The seasonal high water table must be at least 24" below the proposed bottom
elevation of the system. For Phase II projects, at least 12" of this must be in naturally
occurring soils.
10. All runoff in excess of the design storm must bypass to a vegetated filter prior to
entering the basin or trench. If the system is designed to store a larger design storm
(generally 2-3 times the minimum), the requirement for an offline bypass can be waived.
Please contact the Division to determine what design storm is appropriate for the
project.

7

Infiltration Basin & Trench. cont.
C. PLANS - Plan sheets should be kept to a minimum. For small commercial single basin
projects, the plan set could consist of only 2 or 3 sheets, layout, grading and details. For
larger projects, show as much information as possible on as few sheets as possible, without
(cluttering them up.
1. Development/Project Name
2. Engineer name and firm.
3. Legend
V4. North Arrow
5. Location Map with nearest intersection of two major roads shown. Major road is any 1,
2, or 3 digit NC, US or interstate highway.
✓6. Scale- standard engineering scale, no off-the-wall stuff.
7. Date
8. Revision number and date, if applicable.
t// 9. Original contours, proposed contours, spot elevations, finished floor elevations, pipe
inverts, swale inverts, etc.
/ 10. Existing drainage (piping, swales, ditches, ponds, etc.), including off -site. Include a map
✓ delineating the offsite drainage areas.
/ 11. Property/Project boundary lines, bearing & distances.
t� 12. Mean High Water Line or Normal High Water Line, if applicable.
/ 13. Drainage easement locations shown on the plans along with their width.
V 14. Wetlands delineated, or a note on the plans that none exist. Provide a copy of the
wetlands delineation map signed by the Corps of Engineers, or have the applicant
include a copy of the unsigned delineation map submitted to the Corps. Infiltration
systems may not be located in wetlands unless a permit to fill those wetlands has been
obtained and the soils meet the SHWT and hydraulic conductivity requirements.
15. Details for the roads, parking, cul-de-sacs, including sidewalk width, radii, dimensions &
slopes.
/ 16. Apartment / Condo development- provide a typical building footprint with dimensions,
and note all concrete and wood deck areas.
17. The drainage area for each basin or trench is clearly delineated and numbered to match
up to the calculations and supplement. Drainage area delineation is best done as a
separate plan sheet.
18. A basin section detail showing bottom and storage elevations, 3:1 side slopes. The side
slopes of an infiltration basin are not restricted to vegetation. They may be hardened
with rock, timber, concrete, decorative brick, etc.
1 OAk trench section detail with the perforated pipe diameter, filter fabric wrapped around
the pipe and around the trench, trench height and width, rock fill type.
2d),ftlf using a pre-fab chamber structure, provide details of the chamber, including model #,
length, width, chamber volume and number of chambers being used.
21. A bypass structure detail is provided showing a trash rack with 156" square openings,
and the necessary bypass weir or pipe elevation. Several types of bypass structure
/ designs are acceptable.
22, Dimensions for each line and arc formed by the bottom contour of an infiltration basin.
v/23. All runoff in excess of the design storm must pass through a vegetated filter prior to
being discharged into the receiving stream. The filter must be 50' long for SA waters
and 30' long for non -SA waters.
24. All infiltration systems must be located at least 50' from the MHW line of surface waters.
25. Vegetation is specified for basin slopes not being hardened. Weeping Love Grass is not
suitable as a permanent vegetated cover for side slopes.
26. All roof drainage must be directed to the system. Show the roof drain collection piping
on the plans. This is especially necessary for projects where the buildings back up the
u//raperty lines where roof drainage may leave the site prior to going through the system.
2 Monitoring wells may be required on a case -by -case basis.

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