20050823 Ver 4_More Info Received_20071121

Transmittal Letter
Southwind Surveying & Engineering, Inc.
201 Glen Road
Gamer, NC 27529
Tel: [phone]
Fax: [phone]
To: Ms. Annette Lucas From:
Organ¢atioN NCDENR Division of Water Quality
Address: Date:
~5- J8a3
Rob Nelson, P.E.
Nov. 16, 2007
Raleigh, NC
Re: Revised Stormwater drawings for The Bluffs at Southfort. (See attached detail list)
Via: Mail: Overnight: Courier.
Enclosed please find: Southwind Surveying & Engineering Project No. 05-0051 drawings, details,
and calculations.
For your information
For your review
For your signature
X
X
Approved
Approved as noted
Returned to you for correction
XX
Message:
Ms. Lucas;
Enclosed for the Division of Water Quality review are 2 copies of the revised project plans for The
Bluffs at Southfort.. Please call with any questions at 919-773-0183.
Respectfully submitted,
Rob Nelson, P.E.
Signed
h ~qR~ ,~e
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Cc: Mr. Ian MacMillan (Transmittal only)
Ms. Cyndi Karoly (Transmittal only)

November 19, 2007
Enclosures:
• (2 Copies) Level Spreader Calculation; Drainage Area # 2 (Lots 77/78).
• (2 Copies) Level Spreader Calculation; Drainage Area # 3 (Lots 68/71).
• (2 Copies) Bioretention Inspection and Maintenance Agreement.
• (2 Copies) Level Spreader O&M Agreement.
• (2 Copies) Dated photo of The Bluffs @ Souhfort Buffer.
• (2 Copies) NCDENR Level Spreader, Filter Strip, and Restored Riparian Buffer Supplement
for Drainage Area #1 (Lots 14/15).
• (2 Copies) NCDENR Level Spreader, Filter Strip, and Restored Riparian Buffer Supplement
for Drainage Area #2 (Lots 77/78).
• (2 Copies) NCDENR Level Spreader, Filter Strip, and Restored Riparian Buffer Supplement
for Drainage Area #2 (Lots 68/71).
• (2 Copies) Required Items Checklist.
• (2 Copies) of the Construction Plan Narrative and Design Assurance Specification.
• (2 Copies) of the deed restriction.
• (2 Copies) of Sheet No. 1; Overall Layout, The Bluffs of Southport Plantation, Rev. A.
• (2 Copies) of Sheet No. 2; Erosion Control Plan Phase II, The Bluffs of Southport Plantation,
Rev. A.
• (2 Copies) of Sheet No. D-3; Bioretention, Level Spreader, & Splitter box Details, The Bluffs
of Southport Plantation, Rev. A.
• (2 Copies) of Sheet No. 4; Plan and Profile Shadowbark Drive, The Bluffs of Southport
Plantation, Rev. A.

HI. REQUfRED ITEMS CHECKLIST
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.
Pagel Plan
Initi s Sheet No.
D, t' ~ 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),
- Forebay (if applicable),
-High flow bypass system,
- Maintenance access,
- Recorded drainage easement and public right of way (ROV1n, and

P - -Boundaries of drainage easement.
"
'
I`l~a,
3 RA 2. Plan details (1
= 30
or larger) for the level spreader showing:
- Forebay (if applicable),
-High flow bypass system,
-One foot topo lines between the level lip and top of stream bank,
-Recorded drainage easement, and
- Design at ultimate build-out.
~D' ~'3 ~~ 3. Section view of the level spreader (1" = 20' or larger) showing:
- Underdrain system (if applicable),
-Level lip,
- Upslope channel, and

~ - Downslope filter fabric.
4. Adate-stamped photograph of the filter strip that clearly shows the type of vegetation that is present.
Fi' V '~ 5. An assurance that the installed system will meet design specifications upon initial operation once the
project is complete and the entire drainage area is stabilized.
_~G!1/ ''~ 6. A construction sequence that shows how the -evel spreader will be protected from sediment until the entire
drainage area is stabilized.
/~i~ '~ 7. The supporting calculations.
" - " /
~
~~
~ 8. A copy of the signed and notarized inspection and maintenance (I&M) agreement.
' 9. A copy of the deed restriction.
Form SW401-Level Spreader, Filter Strip, Restored Riparian Buffer-Rev.2 Part III, page 1 of 1

RESTRICTIVE COVENANT LANGUAGE
THE BLUFFS AT SOUTHPORT PLANTATION
Section 16. The areas shown on the recorded plant as shown on the map entitled "The
Bluffs at Southfort Plantation" recorded in Map Book _ at page _ as conservation
areas shall be maintained in perpetuity in their natural or mitigated condition. No
person or entity shall perform any of the following activities on such conservation
area:
a. fill, grade, excavate or perform any other land disturbing activities;
b. cut, mow, burn, remove, or ham any vegetation;
c. construct or place any roads, trails, walkways, buildings, mobile homes,
signs, utility poles or towers, or any other permanent or temporary
structures;
d. drain or otherwise disrupt or alter the hydrology or drainage ways of
the conservation area;
e. dump or store soil, trash, or other waste;
f. graze or water animals, or use for any agricultural or horticultural
purpose.
This covenant is intended to ensure continued compliance with the mitigation
condition of a Clean Water Act authorization issued by the United States of America,
U. S. Army Corps of Engineers, Wilmington District, Action ID, and therefore may be
enforced by the United States of America. This covenant is to run with th,e land, and
shall be binding on the Owner, and all parties claiming under it.
ARTICLE VII
WATER & SEWER SERVICES
Section 1. Water & Sewer Service. All lot owners shall be required to use water
supplied by the companies servicing the Properties for all household uses. Sanitary Sewer
will be provided through private septic systems
ARTICLE VIII
ANNEXATION OF ADDITIONAL PROPERTIES
Section 1. Annexation of additional property shall require the assent two-thirds (2/3) of
the members at a meeting duly called for these purposes, written notice of which shall be
sent to all members not less than thirty (30) days nor more than sixty (60) days in
advance of the meeting.
Section 2. The Declarant, without the consent of or notice to individual lot owners, may
annex additional properties, which are adjacent to The Bluffs at Southfort Plantation.
ARTICLE IX
GENERAL PROVISIONS

Section 1. Enforcement. The Association, or any Owner, shall have the right to enforce,
by any proceeding at a law or in equity, all restrictions, conditions, covenants,
reservations, liens, and charges now or hereafter imposed by the provisions of the
Declaration. Failure by the Association or by any owner to enforce any covenant or
restriction herein contained shall in no event be deemed a waiver of the right to do so
thereafter. The Court may award attorney's fees, plus any costs, to the prevailing party in
any subsequent civil action. Any action filed to enforce these covenants shall be filed in the
District or Superior Court of Johnston County, North Carolina. In no event shall Declarant
be responsible for enforcing these covenants after a period of twelve (12) months has
elapsed since Declarant's conveyance of the last Lot.
Section 2. Severability. Invalidation of any one of these covenants or restrictions by
judgment or court order shall in no wise affect any other provisions, which shall remain
in full force and effect.
Section 3. Amendment. The covenants and restrictions of this Declaration shall run with
and bind the land for a term of twenty (20) years from the date this Declaration is
recorded, after which time they shall be automatically extended for successive period of
ten (10) years each. This Declaration may be amended during the first twenty (20) year
period by an instrument signed by not less than ninety (90) percent of the Lot Owners,
and thereafter by an instrument signed by not less than seventy-five (75) percent of the
Lot Owners. Any amendment must be recorded. Provided however, the conservation
area provisions of Article VI.16 cannot be amended without the ezpress written
consent of the U. S. Corps of Engineers, Wilmington District.
Section 4. FHA/VA Approval. As long as there is a Class B membership, the following
actions will require the prior approval of the Federal Housing Administration of the
Veterans Administration: (a) annexation of additional properties, (b) dedication of
Common Area, and (c) amendment of this Declaration of Covenants, Conditions and
Restrictions.

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NCDENR
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
LEVEL SPREADER, FILTER STRII' AND RESTORED RIPARIAN BUFFER SUPPLEMENT
This form tn'be filled out, printed and submitted. ____
I. ,PROJECT;INFORMATt01V - - -
Project name The Bluffs of Southfort Plantation
Contact name Rob Nelson, P.E.
Phone number 919-773-0183
Date November 9, 2007
Drainage area number Drainage Area # 1 LO ~ ~ L
IL' DESIGN NFORMATION
For Level Spreaders Receiving Flow From a BMP
Type of BMP Grassed Swale
Drawdown flow from the BMP cfs
For Level Spreaders Receiving Flow from the Drainage Area
146,362 ft
ftz
Make sure that the drainage area is reported in sq ft.
Drainage area
Impervious surface area
Percent impervious
Rational C coefficient
Peak flow from the 1 in/hr storm
Time of concentration
Rainfall intensity, 10-yr storm
Peak flow from the 10-yr storm
Where Does the Level Spreader Discharge?
To a bioretention cell?
To a wetland?
To a filter strip or riparian buffer?
Other (specify)
Filter Strip or Riparian Buffer Characterization (if applicable)
Width of grass
Width of dense ground cover
Width of wooded vegetation
Total width
Slope (from level lip to to top of bank)
Are any draws present?
Level Spreader Design
Forebay surface area
feet of level lip needed per cfs
Answer "Y" to one of the following:
Length based on the 1 in/tlr storm?
Length based on the 10-yr, 24-hr storm?
Length based on the BMP discharge rate?
Design flow
Is a bypass device provided?
cfs
min
in/hr
cfs
No (Y or N)
No (Y or N)
Yes {Y or N)
50 ft
0 ft
0 ft
50 ft ~" -~""~:
20 % Filter stri is too steep for a level spreader.
No (Y or N) Level sprea c o e ocate u ope of a draw.
200 sq ft OK
13 ftlcfs
Yes (Y or N)
(Y or N)
(Y or N)
cfs
Yes (Y or N) A bypass device must be provided.
Form SW401-Level Spreader, FiNer Strip, Restored Riparian Buffer-Rev.2 Parts I. and II. Design Summary, page 1 of 2

y ~
Length of the level lip
Are level spreaders in series?
Bypass Channel Design (if applicable)
Does the bypass discharge through a wetland?
Does the channel enter the stream at an angle?
Dimensions of the channel (see diagram below):
M
B
W
Y
Peak velocity in the channel during the 10-yr, 24-hr storm
Channel lining material
13 ft
No (Y or N)
No (Y or N)
Yes
1 ft
7 ft
0.8 ft
1.07 cfs
#VALUE!
t i------------- Y --------------i 1
M M
B ~
Form SW401-Level Spreader, Finer Strip, Restored Riparian Buffer-Rev.2 Parts I. and II. Design Summary, page 2 of 2

LEVEL SPREADER PROGRAM
Rational Method for Drainage Areas less than 2 sq mi [1300 ac]
DWQ PROJECT NUMBER
SW PROJECT NUMBER 05-0051
SUBDIVISION NAME The Bluffs of Southfort Plantation
STRUCTURE NUMBER LEVEL SPREADER Area #2 (L~ ~~ ! ~ ~
g = 195 Local Intensity eqn coeff
h = 22 Local Intensity eqn coeff
A = 3.3 Watershed Area (acres)
H = 26 Height of most remote point above outlet [ft]
L = 940 Hydraulic Length [ft]
Ca = 0.45 Composite runoff coeff after development
Tc = 10 Time of Concentration [min] [Kirpich]
110 = 6.1 Rainfall Intensity [in/hr]: [I=g/(h+T)]
Q10a = 9.05 Flow after development[cfs]: [Q=CaIA]
10 YR Storm
~ Required Length (ft) 117.64 ~
~ Use (ft) 120 ~
N CAt~p~ ~,~
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NCDENR
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
LEVEL SPREADER, FILTER STRIP AND RESTORED RIPARIAN BUFFER SUPPLEMENT
This form must be filled out, Tinted and submitted.
L ;PROJECT INFORMATION
Project name The Bluffs of Southfort Plantation
Contact name Rob Nelson, P.E.
Phone number 919-773-0183
Date Nov. 8, 2007
Drainage area number Drainage area #2
IL DESIGN INFORMATION
For Level Spreaders Receiving Flow From a SMP
Type of BMP
Drawdown flow from the BMP cfs
For Level Spreaders Receiving Flow from the Drainage Area
Drainage area
Impervious surface area
Percent impervious
Rational C coefficient
Peak flow from the 1 in/hr storm
Time of concentration
Rainfall intensity, l0-yr storm
Peak flow from the 10-yr storm
Where Does the Level Spreader Discharge ?
To a bioretention cell?
To a wetland?
To a filter strip or riparian buffer?
Other (specify)
Filter Strip or Riparian Buffer Characterization (if applicable)
Width of grass
Width of dense ground cover
Width of wooded vegetation
Total width
Slope (from level lip to to top of bank)
Are any draws present?
Level Spreader Design
Forebay surface area
Feet of level lip needed per cfs
Answer "Y" to one of the following:
Length based on the 1 inlhr storm?
Length based on the 10-yr, 24-hr storm?
Length based on the BMP discharge rate?
Design flow
Is a bypass device provided?
143,748 ft
35,500 ft
n ~~
U.4b
1.485 cfs
min
7 in/hr
10.395 cfs
(Y or N)
(Y or N)
Y (Y or N) Please complete filter strip characterization below.
30 ft
20 ft
ft
50 ft
6
N (Y or N) OK
70 sq ft OK
13 ft/cfs
Y (Y or N)
(Y or N)
(Y or N)
0.5 cfs
Y (Y or N) OK
Form SW401-Level Spreader, Filter Strip, Restored Riparian Buffer-Rev.2 Parts I. and II. Design Summary, page 1 of 2

Length of the level lip
Are level spreaders in series?
Bypass Channel Design {if applicable)
Does the bypass discharge through a wetland?
Does the channel enter the stream at an angle?
Dimensions of the channel (see diagram below):
M
B
W
Y
Peak velocity in the channel during the 10-yr, 24-hr storm
Channel lining material
20 ft Level spreader length OK.
N (Y or N)
N (Y or N)
Y
3 ft
1 ft
7 ft
0.8 ft
1.07 cfs
established grass
1 i------------- Y `!
M
B
Form SW401-Level Spreader, Finer Strip, Restored Riparian Buffer-Rev.2
M
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Parts I. and II. Design Summary, page 2 of 2

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LEVEL SPREADER PROGRAM
Rational Method for Drainage Areas less than 2 sq mi [1300 ac]
DWQ PROJECT NUMBER
SW PROJECT NUMBER 05-0051
SUBDIVISION NAME The Bluffs of Southfort Plantation
STRUCTURE NUMBER LEVEL SPREADER Area #3 C ~. ~~ 1O~,~'7 ~~
g = 195 Local Intensity eqn coeff
h = 22 Local Intensity eqn coeff
A = 5.57 Watershed Area (acres)
H = 44 Height of most remote point above outlet [ft]
L = 770 Hydraulic Length [ft]
Ca = 0.45 Composite runoff coeff after development
Tc = 10 Time of Concentration [min] [Kirpich]
110 = 6.1 Rainfall Intensity [in/hr]: [I=g/(h+T)]
Q10a = 15.27 Flow after development[cfs]: [Q=CaIA]
10 YR Storm
~ Required Length (ft) 198.56 ~
~ Use (ft) 120 ~
N AR p~ .
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NCDENR
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
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LEVEL SPREADER, FILTER STRIP AND RESTORED RIPARIAN BUFFER SUPPLEMENT
This form must be filled out, Tinted and submitted.

I: PROJECTJNFORMATION -----
Project name The Bluffs of Southfort Plantation
Contact name Rob Nelson, P.E.
Phone number 919-773-0183
Date Nov. 8, 2007
Drainage area number Drainage area ~
IL DESIGN;INFORMATION __ __ _
For Level Spreaders Receiving Flow From a BMP
Type of BMP
Drawdown flow from the BMP cfs
For Level Spreaders Receiving Flow from the Drainage Area
Drainage area
Impervious surface area
Percent impervious
Rational C coefficient
Peak flow from the 1 in/hr storm
Time of concentration
Rainfall intensity, 10-yr storm
Peak flow from the 10-yr storm
Where Does the Level Spreader Discharge?
To a bioretention cell?
To a wetland?
To a filter strip or riparian buffer?
Other (specify)
Filter Strip or Riparian Buffer Characterization (if applicable)
Width of grass
Witlth of dense ground cover
Width of wooded vegetation
Total width
Slope (from level lip to to top of bank)
Are any draws present?
Level Spreader Design
Forebay surface area
Feet of level lip needed per cfs
Answer "Y" to one of the following:
Length based on the 1 in/hr storm?
Length based on the 10-yr, 24-hr storm?
Length based on the BMP discharge rate?
Design flow
Is a bypass device provided?
242,630 ft2
60,650 ft
0.25
0.45
2.506508264 cfs
min
7 inlhr
17.54555785 cfs
(Y or N)
(Y or N)
Y (Y or N) Please complete filter strip characterization below.
30 ft
20 ft
ft
50 ft
6
N (Y or N) OK
125 sq ft OK
13 ft/cfs
Y (Y or N)
(Y or N)
(Y or N)
0.5 cfs
Y (Y or N) OK
Form SW401-Level Spreader, Finer Strip, Restored Riparian Buffer-Rev.2 Parts I. and II. Design Summary, page 1 of 2

Length of the level lip
Are level spreaders in series?
Bypass Channel Design (if applicable)
Does the bypass discharge through a wetland?
Does the channel enter the stream at an angle?
Dimensions of the channel (see diagram below):
M
B
W
Peak velocity in the channel during the 10-yr, 24-hr storm
Channel lining material
35 ft Level spreader length OK.
N (Y or N)
N (Y or N)
Y
3 ft
1 ft
7 ft
0.8 ft
1.07 cfs
established grass
Form SW401-Level Spreader, Finer Strip, Restored Riparian Buffer-Rev.2 Parts I. and II. Design Summary, page 2 of 2

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Nov. 16, 2007
LAND MANAGEMENT CONSTRUCTION PLAN AND DESIGN ASSURANCE
SPECIFICATION
Project Description
The purpose of this project is to provide single family homes for Phase II of The Bluffs at
Southfort Plantation. Approximately 35.75acres will be disturbed during the construction
period. Approximately 0.13 acres of riparian wetlands will be impacted with
approximately 1401inear feet of stream impacted. The property is located approximately
2 miles south of the intersection of Interstate 40 and Rt. 42 in Johnston County.
Site Description
The site has moderate inclines ranging from 1 to 25 percent grade. Street width will be
20 feet, and the finished road surface is paved. Storm water will be conveyed by grassed
swales, and piped beneath the road via reinforced concrete pipes. Prior to entering
riparian buffer zones, storm water will be reduced to approx. 1 ft. per second velocity
through four (4) level spreaders and one (1) bio-retention pond. Reparian Buffer
restoration will also be performed to the greatest extent possible.
Adjacent Property
Land use in the vicinity is single family homes, farms, and a public school campus. Storm
water run-off is contained within the property.
Soils
The soils in the vicinity are classified as Class B Clays. Typical water tables are in excess
often (10) feet below the grade level.
Planned Erosion and Sedimentation Control Practices
1. Temporary Sediment Trap -Practice No. 6.60
Temporary sediment traps will be placed at the encroachment of the entrance area to
capture run-off along the length of the highway road.
2. Grass Lined Channels -Practice No. 6.30
Grass Lined channels will be installed to capture and convey the run-off from the new
road surface.

Filter Strip, Restored Riparian Buffer and Level Spreader
Inspection 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:
- Immediately after the filter strip is established, any newly planted vegetation
will be watered twice weekly if needed until the plants.. become established
(commonly six weeks).
- Once a year, the filter strip will be reseeded to maintain a dense growth of
vegetation
- Stable groundcover will be maintained in the drainage area to reduce the
sediment load to the vegetation.
- Two to three times a year, grass filter strips will be mowed and the clippings
harvested to promote the growth of thick vegetation with optimum pollutant
removal efficiency. Turf grass should not be cut shorter than 3 to 5 inches and
may be allowed to grow as tall as 12 inches depending on aesthetic requirements
(NIPC,1993). Forested filter strips do not require this type of maintenance.
- Once a year, the soil will be aerated if necessary.
- Once a year, soil pH will be tested and lime will be added if necessary.
After the filter strip is established, it will be inspected quarterly and within 24 hours
after every storm event greater than 1.0 inch (or 1.5 inches if in a Coastal County).
Records of inspection 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 roblern: How I will remediate the roblem:
The entire filter strip Trash/debris is present. Remove the trash/debris.
s stem
The flow splitter device The flow sputter device is Unclog the conveyance and dispose
(if applicable) clo ed. of an sediment off-site.
The flow splitter device is Make any necessary repairs or
damaged. replace if damage is too Iarge for
re air.

BMP element: Potential roblem: How I will remediate the roblem:
The Swale and the level The swale is clogged with Remove the sediment and dispose
lip sediment. of it off-site.
The level lip is cracked, Repair or replace lip.
settled, undercut, eroded or
otherwise dama ed.
There is erosion around the Regrade the soil to create a berm
end of the level spreader that that is higher than the level lip, and
shows stormwater has then plant a ground cover and
bypassed it. water until it is established. Provide
lime and aone-time fertilizer
a lication.
Trees or shrubs have begun Remove them.
to grow on the swale or just
downslo e of the level li .
The bypass channel Areas of bare soil and/or Regrade the soil if necessary to
erosive gullies have formed. remove the gully, and then
reestablish ro er erosion control.
Turf reinforcement is Study the site to see if a larger
damaged or ripap is rolling bypass channel is needed (enlarge if
downhill. necessary). After this, reestablish
the erosion control material.
The filter strip Grass is too short or too long Maintain grass at a height of
if a licable . a roximatel three to six inches.
Areas of bare soil and/or Regrade the soil if necessary to
erosive gullies have formed. remove the gully, and then plant a
ground cover and water until it is
established. Provide lime and a
one-time fertilizer a lication.
Sediment is building up on Remove the sediment and
the filter strip. restabilize the soil with vegetation if
necessary. Provide lime and a one-
time fertilizer a lication.
Plants are desiccated. Provide additional irrigation and
fertilizer as needed.
Plants are dead, diseased or Determine the source of the
dying. problem: soils, hydrology, disease,
etc. Remedy the problem and
replace plants. Provide aone-time
fertilizer a lication.
Nuisance vegetation is Remove vegetation by hand if
choking out desirable species. possible. If pesticide is used, do not
allow it to get into the receiving
water.
The receiving water Erosion or other signs of Contact the NC Division of Water
damage have occurred at the Quality local Regional Office, or the
outlet. 401 Oversi ht Unit at 919-733-1786.

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.
Print name: Linwood Jones
Title: President Southwind Surveying_& En ineering Inc
Address: 201 Glen Road Garner, NC 27529
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~ ~~S ~.• ~~- , a Notary Public for the State of
I~EGbC-~cgl..t r-~ ,County of ~4.as~~-~ , do hereby certify that
~/~~WC~D c' • `~,~ personally appeared before me this (~o
day of I~IcjUG7~1_ , ~_, and acknowledge the due execution of the
forgoing wet detentio sin maintenance equirements. Witness my hand and official
sea ,
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My commission expires

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Bioretention Inspection 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 inspection and maintenance procedures:
- Immediately after the bioretention cell is established, the plants will be watered
twice weekly if needed until the plants become established (commonly six
weeks).
- Snow, mulch or any other material will NEVER be piled on the surface of the
bioretention cell.
- Heavy equipment will NEVER be driven over the bioretention cell.
- Special care will be taken to prevent sediment from entering the bioretention cell.
- Once a year, a soil test of the soil media will be conducted.
After the bioretention cell is established, I will inspect it once a month and within 24
hours after every storm event greater than 1.0 inches (or 1.5 inches if in a Coastal
County). Records of inspection 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 roblerns: How 1 will rernediate the roblem:
The entire BMP Trash/debris is resent. Remove the trash/debris.
The perimeter of the Areas of bare soil and/or Regrade the soil if necessary to
bioretention cell erosive gullies have formed. remove the gully, and then plant a
ground cover and water until it is
established. Provide lime and a
one-time fertilizer a lication.
The inlet device: pipe, The pipe is clogged (if Unclog the pipe. Dispose of the
stone verge or Swale a licable . sediment off-site.
The pipe is cracked or Replace the pipe.
otherwise damaged (if
a licable .
Erosion is occurring in the Regrade the Swale if necessary to
swale (if applicable). smooth it over and provide erosion
control devices such as reinforced
turf matting or riprap to avoid
future roblems with erosion.
Stone verge is clogged or Remove sediment and clogged
covered in sediment (if stone and replace with clean stone.
a licable).

BMP element: Potential roblems: How I will remediate the roblem:
The pretreatment area Flow is bypassing Regrade if necessary to route all
pretreatment area and/or flow to the pretreatment area.
flies have formed. Restabilize the area after adin .
Sediment has accumulated to Search for the source of the
a depth greater than three sediment and remedy the problem if
inches. possible. Remove the sediment and
restabiIize the retreatment area.
Erosion has occurred. Provide additional erosion
protection such as reinforced turf
matting or riprap if needed to
revent future erosion roblems.
Weeds are present. Remove the weeds, preferably by
hand.
The bioretention cell: Best professional practices Prune according to best professional
vegetation show that pruning is needed practices.
to maintain optimal plant
health.
Plants are dead, diseased or Determine the source of the
dying. problem: soils, hydrology, disease,
etc. Remedy the problem and
replace plants. Provide aone-time
fertilizer application to establish the
ground cover if a soil test indicates
it is necessa
Tree stakes/wires are present Remove tree stake/wires (which
six months after lantin can kill the tree if not removed .
The bioretenHon cell: Mulch is breaking down or Spot mulch if there are only random
soils and mulch has floated away. void areas. Replace whole mulch
layer if necessary. Remove the
remaining much and replace with
triple shredded hard wood mulch at
a maximum de th of three inches.
Soils and/or mulch are Determine the extent of the clogging
clogged with sediment. -remove and replace either just the
top layers or the entire media as
needed. Dispose of the spoil in an
appropriate off-site location. Use
triple shredded hard wood mulch at
a maximum depth of three inches.
Search for the source of the
sediment and remedy the problem if
ossible.
An annual soil test shows that Dolomitic lime shall be applied as
pH has dropped or heavy recommended per the soil test and
metals have accumulated in toxic soils shall be removed,
the soil media. disposed of properly and replaced
with new lantin media.

BMP element: Potential roblems: How I will remediate the roblem:
The underdrain system Clogging has occurred. Wash out the underdrain system.
(if a licable)
The drop inlet Clogging has occurred. Clean out the drop inlet. Dispose of
the sediment off-site.
The dro inlet is dama ed Re air or re lace the dro inlet.
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. 733-1786.

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.
Print name:Linwood Jones
Title:President Southwind Surveying & En ing Bering Inc.
Address:201 Glen Road Garner NC 27529
Phone:
Signat~
Date:
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, ~~~--~ ~ ~--E~~ , a Notary Public for the State of
l~'i~ C~pRct.l~-c~L~ ,.County of ~,~ ~rc~c~! , do hereby certify that
L.f~~~ J a ~~~ personally appeared before me this
day of ~~~ , 2cxa"Z ,and acknowledge the due execution of the
forgoing wet detention basin maintenance requirements. Witness my hand and official
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My commission expires «' ~~' ~l

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SOUTHWIND
SURVEYING AND ENGINEERING, INC.
SURVEYING /ENGINEERING /LAND PLANNING
201 GLEN ROAD 95 HAMPSTEAD VILLAGE
GARNER NC 27529 HAMP57EAD.NC 28443
919-773-0183 910-270-8617
919-77301x8 (FAX) 910-270-8619 (FAx)
919-669-9142 (MOBILE)
ROB NELSON, PE
PROJECT MANAGER
rnelson~ southwnd.com