20181041 Ver 2_LG Buffer Approval_20181120

Permit # Mebane 2018-08-B
Subject Property: Cambridge Park — Phase 1A — Impact #2 - #9
Jones Drive, Mebane, Alamance County, NC
AUTHORIZATION of Jordan Lake Water Supply Watershed Riparian Buffer Protection Rules (15A
NCAC 2B.0267) Authorization Certificate
Dear Mr. Dischinger:
You have our authorization, in accordance with 15A NCAC 02B .02 and the City of Mebane's Jordan Lake
Riparian Buffer Protection Ordinance and any conditions listed below, to impact approximately 17,892 ft2 of Zone
land 12,025 ft2 of Zone 2 of the protected riparian buffers for the purpose of clearing and grading at the subject
property as described within your application from October 29, 2018, received by the City of Mebane. In addition,
you should obtain or otherwise comply with any other required federal, state or local permits before you go ahead
with your project including (but not limited to) Erosion and Sediment Control, Non -discharge regulations.
This authorization certification is for the purpose and design that you described in your application. If you change
your project, you must notify the City and you may be required to submit a new application. Note that this
authorization is for the following: Impacts #2- #9, but also removes the time restrictions previously associated with
Impact #1. If the property is sold, the new owner must be given a copy of this authorization letter and is thereby
responsible for complying with all conditions. This authorization requires you to follow the conditions listed below.
The Additional Conditions of the Certification are:
1. Impacts Approved
The following impacts are hereby approved as long as all of the other specific and general conditions of
this Certification (or Isolated Wetland Permit) are met. No other impacts are approved including incidental
impacts: (All shown on attached exhibits)
Impact Number
Zone 1
Permanent SF
Zone 2 Zone 1
Permanent SF Temporary SF
Zone 2
Temporary SF
IMPACT 2
1240
824 621
415
IMPACT 3
1294
926 701
458
IMPACT 4
1201
804 592
398
IMPACT 5
1241
797 638
399
IMPACT 6
1426
722 0
0
IMPACT 7
1535
2255 0
281
IMPACT 8
4625
1744 0
0
IMPACT 9
2778
2002 0
0
TOTAL
15340
10074 2552
1951
2. Erosion & Sediment Control Practices
CITY OF MEBANE 106 East Washington Street I Mebane, NC 27302 Q 919 563 5901

Erosion and sediment control practices must be in full compliance with all specifications governing the
proper design, installation and operation and maintenance of such Best Management Practices in order to
protect surface waters standards:
a. The erosion and sediment control measures for the project must be designed, installed, operated, and
maintained in accordance with the most recent version of the North Carolina Sediment and
Erosion Control Planning and Design Manual.
b. The design, installation, operation, and maintenance of the sediment and erosion control measures
must be such that they equal, or exceed, the requirements specified in the most recent version of the
North Carolina Sediment and Erosion Control Manual. The devices shall be maintained on all
construction sites, borrow sites, and waste pile (spoil) projects, including contractor -owned or leased
borrow pits associated with the project.
c. For borrow pit sites, the erosion and sediment control measures must be designed, installed, operated,
and maintained in accordance with the most recent version of the North Carolina Surface Mining
Manual.
d. The reclamation measures and implementation must comply with the reclamation in accordance with
the requirements of the Sedimentation Pollution Control Act.
No Waste, Spoil, Solids, or Fill of Any Kind
No waste, spoil, solids, or fill of any kind shall occur in wetlands, waters, or riparian areas beyond the
footprint of the impacts depicted in the Pre -Construction Notification (if required). All construction
activities, including the design, installation, operation, and maintenance of sediment and erosion control Best
Management Practices, shall be performed so that no violations of state water quality standards, statutes, or
rules occur.
4. No Sediment & Erosion Control Measures within Wetlands or Waters
Sediment and erosion control measures shall not be placed in wetlands or waters without prior approval by
the Division. If placement of sediment and erosion control devices in wetlands and waters is unavoidable,
design and placement of temporary erosion control measures shall not be conducted in a manner that may
result in dis-equilibrium of wetlands or stream beds or banks, adjacent to or upstream and down stream of
the above structures. All sediment and erosion control devices shall be removed and the natural grade
restored within two (2) months of the date that the Division of Land Resources or locally delegated
program has released the project.
5. Diffuse Flow
An additional condition is that all stormwater shall be directed as diffuse flow at non-erosive velocities
through the protected stream buffers and will not re -concentrate before discharging into the stream as
identified within 15A NCAC 2B .0267(8).
6. Protective Fencing
The outside buffer, wetland or water boundary and along the construction corridor within these boundaries
approved under this authorization shall be clearly marked with orange warning fencing (or similar high
visibility material) for the areas that have been approved to infringe within the buffer, wetland or water prior
to any land disturbing activities to ensure compliance with 15A NCAC 2B .0267.
CITY OF MEBANE 106 East Washington Street I Mebane, NC 27302 Q 919 563 5901

7. Certificate of Completion
Upon completion of all work approved within this authorization, and any subsequent modifications, the
applicant is required to return the attached certificate of completion to the City of Mebane, Planning
Department.
Deed Notifications
Deed notifications or similar mechanisms shall be placed on all retained jurisdictional wetlands, waters and
protective buffers in order to assure compliance for future wetland, water and buffer impact. These
mechanisms shall be put in place at the time of recording of the property, or of individual lots, whichever is
appropriate. A sample deed notification can be downloaded from the 401/Wetlands Unit web site at:
http://portal.ncdenr.org/web/wq/swp/ws/401/riparianbuffers. The text of the sample deed notification may
be modified as appropriate to suit to this project. This information shall be included on the final plat of the
water quality basin and shall include the maintenance and access easement.
Any disputes over determinations regarding this Authorization (associated with the approved buffer impacts) shall
be referred in writing to the City of Mebane within thirty (30) days of receipt of this notice for a decision.
You can contest the City of Mebane's decision as provided in the City's Jordan Lake Riparian Buffer Protection
Ordinance. This Authorization shall expire five (5) years from the date of this letter.
This letter completes the review of the "No Practical Alternatives" determination under 15A NCAC 2B .0267 and
the Jordan Lake Riparian Buffer Protection Ordinance. If you have any questions or would like a copy of the buffer
rules, please call Josh Johnson, PE at [phone]. This letter does not authorize any impacts to either Waters
of the United States or Waters of the State. Please contact the US Army Corps of Engineers (USACE) or NC
Division of Water Resources (DWR) if any impacts are proposed to either of these waters.
Sincerely,
Josh Johnson, P.E.
Enclosures: Certificate of Completion
cc: Cy Stober, City of Mebane Planning Dept.
Kyle Smith, City of Mebane Utilities Director
Bob Dischinger, Design Engineer
Brad Luckey, Pilot Environmental
Sue Homewood, NC DEQ
Franz Holt, City of Mebane City Engineer
Glynn Fleming, AWCK
Phil Ross, AWCK
CITY OF MEBANE 106 East Washington Street I Mebane, NC 27302 Q 919 563 5901

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S'T'REAM IMPACTS 2-9
PERM. STREAM IMPACT FOR STREAM CROSSING:
10 LF
MELVILLE TOWNSHIP-ALAMANCE COUNTY
MEBANE-NORTH CAROLINA
BUFFER IMPACTS: ALLOWABLE
NOVEMBER 9, 2018
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PERM. STREAM IMPACT FOR STREAM CROSSING: 10 LF
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TEMPORARY ZONE 1: 701 SF
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MEBANE-NORTH CAROLINA
NOVEMBER 9, 2018
40 0 20 40 80
1 inch =40ft
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PARK -WETLAND IMPACrS.DWG

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STREAM IMPACTS: CAMBRIDGE PARK
TEMP, STREAM IMPACT FOR PIPE PUMP AROUND: 20 LF STREAM IMPACTS 2-9
TEMP. STREAM IMPACT FOR PIPE: 4 LF
PERM. STREAM IMPACT FOR STREAM CROSSING: 10 LF MELVILLE TOWNSHIP-ALAMANCE COUNTY
MEBANE-NORTH CAROLINA
NOVEMBER 9, 2018
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LOTS 1. 117, 118, 234-239 AS -BUILT NOTE:
LOTS 1, 117, 118, 234-239 WILL REQUIRE AS -BUILT PRIOR TO
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SHALL BE PLACED ON THE FINAL PLAT AS WELL.
RIP—RAP P \
L=20', W=29', d50 5 ,
USE CLASS—B, 1.5' THK
TEMP. SILT FENCE :.:
LOT 1
SHEET 5 OF 10
STREAM IMPACTS:
TEMP. STREAM IMPACT FOR PIPE PUMP AROUND: 20 LF
TEMP. STREAM IMPACT FOR PIPE: 4 LF
PERM. STREAM IMPACT FOR STREAM CROSSING: 10 LF
BUFFER IMPACTS: ALLOWABLE
TEMPORARY ZONE 1: 638 SF
TEMPORARY ZONE 2: 399 SF
PERMANENT ZONE 1: 1242 SF
PERMANENT ZONE 2: 797 SF
IMPACT -5
CAMBRIDGE PARK
STREAM IMPACTS 2-9
MELVILLE TOWNSHIP-ALAMANCE COUNTY
MEBANE-NORTH CAROLINA
NOVEMBER 9, 2018
40 0 20 40 80
1 inch =40ft
EE vans
Vngioneering, In
—Since 1974—
Engineers Surveyors Planners
A
4609 Dundas Drive
Greensboro,
North Carolina 27407
a Fax [phone]
Phone [phone]
Firm License No.: C-0168
PARK -WETLAND IMPACTS.DWO

i_
/+++++ %+.....::.
DOUBLE ROW OF SILT FENCE
AT TOP OF BUFFER (TYP)
PERMANENT STREAM
CROSSING
+ + + + F.
+ + + +
+ + + +
++ + + +
+ + l+ + + + +
++'
•+ +++ +`
+ +
+ +�+ +
0000 ++++++++++ +/+++++++++_ ++++++
+ + + + + + + +�
+ + +
4()t/++,+ + + '4 +=-
+2 + + +��r+ +/+ +_
i+ ++ +++ ++4-
+ + + + + O� + + p + +. + + +_+ /
+ +' + + + + + + 1, + + + + '+ +
+ + �� + + + + + + + /+ + + +: +�
++++++ ++++� ++++++
+ + + + + + + + + + .I + + + /+ +
+++++++++++++ +-++o
+ + + +
++++/++ + + + + + - + - + + + + /
+ + + +++ ++ + + + + �+ + 0'
+ p
k
+++++++++ ++ ++++
+++++�++++ +++++++ /
+ + + + + + + + +++ + +,+++++++++ 20•
100 -YR FLOOD / -+ + + +
SHEET 6 OF 10
TEMP. STREAM IMPACT:
SEE LITTLE HAW CREEK TEMPORARY
CROSSING DETAIL (CHANNEL MUST BE
RESTORED TO EXISTING CONDITION UPON
COMPLETION)
\
DOUBLE ROW OF SILT FENCE
AT TOP OF BUFFER (TYP)
STREAM IMPACTS:
TEMP. STREAM IMPACT FOR PIPE PUMP AROUND: 20 LF
TEMP. STREAM IMPACT FOR PIPE: 4 LF
PERM. STREAM IMPACT FOR STREAM CROSSING: 10 LF
L���`��yyoo►fveesrss'se
\A CAR® n
Z/"..'
BUFFER IMPACTS: ALLOWABLE 0
Qe-®��5�'d�9
TEMPORARY ZONE 1: 0 SFSEAL
TEMPORARY ZONE 2: 0 SF e 18914 ,
PERMANENT ZONE 1: 1426 SF•.4,
PERMANENT ZONE 2: 722 SF' . .•�u,•_,
RvIPACT-6
CAMBRIDGE PARK
STREAM IMPACTS 2-9
MELVE LE TOWNSHIP-ALAMANCE COUNTY
MEBANE-NORTH CAROLINA
NOVEMBER 9, 2018
40 0 20 40 80
1 inch =40ft.
--]E Vans
Engineering, Inco
—Since 1974—
I Engineers Surveyors Planners
ER
4609 Dundas Drive
Greensboro,
North Carolina 27407
Fax [phone]
Phone [phone]
Firm License No.: C-0168
PARK—WERAND IMPACfS.M

SHEET 7 OF 10
` LOT '115 LOT 117
® BU�FPACT'118:
THESE -.,TWO LOT 'ARE NOT BEING A EA----_-
END OF PROP. CURB
i GRADED, THQREFO E THERE ARE NO IM ACTS
` AND PAVEM �1T \ � -'TQ THE STREAM UFFER AT --,THE REA OF
I ESSE LOTS
I ROUGH GRADE AND
SEED TO I LETS
TEMP. SILT FENCE
--------------
15'RCP ---` -- - - ,� �---
-.:L�p ;•....... ZONE 2
DIS TURBAN_CE
.. ... .. ...:
--
o- ZONE 1
EMP. INLET
---------- DISTUF�BANCE ----------
PROTECTION
- ----
-
-_
PROTECTION
-- — ------ ----------- \�
PROP. 2:1 SLOPE ------- - =
___----TEMP" IJIVERSION BERM DIVERSION BERM
TO DIRECT RUNOFF /
- -tN LETS------- ---� DIRECT
ECT
TO D
-Md-Tfl--�-----R F --SRO
LOT 11 T& 1 �TO
r'p, " = I N LET
- ----------------- --
----------
IMPACT -7
STREAM IMPACTS: CAMBRIDGE PARK
NONE STREAM IMPACTS 2-9
MELVILLE TOWNSHW-ALAA4ANCE COUNTY
MEBANE-NORTH CAROLINA
e,,�:•'� L����O( NOVEMBER 9, 2018
��`�$.i��(� �N'9 •O°° 40 0 20 40 80
BUFFER IMPACTS: ALLOWABLETEMPORARY ZONE 1: 0
:���;o� '�.,•
TEMPORARY ZONE 2: 281SF
SF •' ¢ SEAL
18914 I 1 inch =40ft.
LOTS 1 117 118 234-239 AS -BUILT NOTE: PERMANENT ZONE 1: 1535 SF .�•a� Dundas Drive
PERMANENT ZONE 2: 2255 SF % Q�'••., ... +� moans 4609 Du
LOTS 1, 117, 118, 234-239 WILL REQUIRE AS -BUILT PRIOR TO ,.3,••••••'`•':ss� Greensboro,
CERTIFICATE OF OCCUPANCY FOR BUILDING CONSTRUCTION. THIS NOTE - -'? "-"0 0 North Carolina 27407
SHALL BE PLACED ON THE FINAL PLAT AS WELL.1q" +E ngineering, nC. Fax [phone]
P;f M1
—Since 1974— Phone [phone]
1 Engineers Surveyors Planners Firm License No.: C-0168
PARK -WETLAND IMPACfS.DWG

SHEET 8 OF 10
+ +
+ +
+ + +++
k ++ }I
++ �
+++
k}OU'++++ +
++r
+++ + + + +++ +++ p
++ +++
+ ++ ++++++
100 -YR FLOOD ++ c
+ + +
+
++
+}}+++ + t++ +}+
++++++++++++++ +++++++++
+ + + +
t+++++A- +++}+p +ZONE 2r++t+++}++++}+++++++}++k+++
+ + + + + + +
+ + + + + + + + _
—...—
1
kk}}++++++++}+++o +ZONE ++++++++++++++++++++++++++}}}+
+ + } } } + + +
} + + + + - + + + + + } +
+ + + + + + + } + + + + + + + + + } + + } + + + + + + + + + + + +
+ ++ �•+•+ ,+,-++' + '+'} + ++ '+ ++ + ++ } ++ + k+ } k" +•. TEMP. SILT FENCE TYP TWN 60"
+ + +� + +} + + ,..+.++ +—+ + + +. + _ ++.+. + +k + + ++.+ , }+ + + }+ + — . _ .. _ ZONE 1 DISTURBANCE /., • — CULVERTS
+, + + + + + + + + + —
t t i•—— -
+ �t— t +
+ E 1+ ++k
..:,.:,.:_:.:::..•.::•.:'—k:..:!.%
+ �—ZN+
trrk++
+ka+ +;txr:
+ +k}+
+ k + + + •:.:..:A.;
+ + +
}•'"=,•r.
A- {+ + + 3 +
----------- —
::.j:i',•".'.,.�.•—''.`:.
+
+ + k + + + + .•
••—•:•.:..::..:..::.:•.:•..:.::••.:.:•..•.:.:::E:•.:!
++ t •
:
+ + ..:..::
,!:;-•'`..;,:':;'::':;:•.
.i
+ + k + + + W :r'�•........•
,.7firr:r::•i
++ ::::3�Y'f�"
k +—++ ZONE 2+ �
++ .z,•'�•'.:it:s„:`:;:::,c::.i��.y:::;:►::—:,';•::,:::.'•M::::::::—::•+::.•...;......�e`r.:::::F.
+k ..�:.:.':+�.: .:•.,'
+ + + ++ + + ++ + +
+
+
:
+ + ++ + _+ �
+ • : ' '• ::' —�
}
te—+++ x-x�* M • • :
� }++ } +++ k+k ...A M —
} } ++
++ ++ I
�+
— � �l�✓
M
` I
301"4v
ZONE 2 DISTURBANCE
EMPACT-8
CAMBRIDGE PARK
STREAM IMPACTS:
NONE STREAM IMPACTS 2-9
MELVILLE TOWNSHW-ALAMANCE COUNTY
BUFFER IMPACTS: ALLOWABLE MEBANE-NORTH CAROLINA
TEMPORARY ZONE 1: 0 SF �e"►�s�ra�+r NOVEMBER 9, 2018
°f�B6y
TEMPORARY ZONE 2: 0 SF �°xR;\A CARO 40 0 20 40 eo
es laT- '7sR
PERMANENT ZONE 1: 4625 SF
�w�6QQ.o
PERMANENT ZONE 2: 1744 SF
a S��- 1 1 inch =40ft.
18914
�cE — +� Vans 4609 Dundas Drive
Greensboro,
•°° � — + — • • North Carolina 27407
+E ngineeringy Inco Fax [phone]
—Since 1974— Phone [phone]
1 Engineers Surveyors Planners Firm License No.: C-0168
\DRAWINGS\DESC0\TURNER ROAD\DRAWINGS\CAMBRIDGE PARK—WETLAND IMPACTS.M

SHEET 9 OF 10
PROP,=is
�, i
ZONE 1 DISTURBANCE
4411�v 44
ZONE 2 DISTURBANCE
/
EXISTING POND
I
TEMP. SILT FENCE (TYP)
IWACT-9
CAMBRIDGE PARK
STREAM IMPACTS:
NONE
STREAM IWACTS 2-9
MELVILLE TOWNSHIP—ALAMANCE COUNTY
BUFFER IMPACTS: ALLOWABLE
MEBANE—NORTH CAROLINA
TEMPORARY ZONE 1:
0 SF
NOVEMBER 9, 2018
TEMPORARY ZONE 2:
0 SF
40 0 20 40 80
PERMANENT ZONE 1:
2778 SF
C{�
PERMANENT ZONE 2:
2002 SF
jFsS`)a ,�^.
1 inch =40ft.
SEAL
4609 Dundas Drive
• 98914 0
��j•: —
•• _
n-+T,
���� Greensboro,
North Carolina 27407
i gineering, Inc. Fax [phone]
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—Since 1974— Phone [phone]
�r
I
Engineers Surveyors Planners Firm License No.: C-0168
e
\DRAWINGS\DESC0\TURNER ROAD\DRAWINGS\CAMBRIDGE PARK-WETLAND IMPACTS.DWG

PROPOSED PUMP
PIPE PROPOSED
SILT FENCE
O TEMPORARY CONSTRUCTION (TYP )
STREAM CROSSIN CLASS 'I'
FLOW—� RIP RAP
5'
MIN
A A
RIP RAP
/STONE
ND
PIPE INLET
STREAM
FLOW
I-
5
MIN
SAND BAGS
PROPOSED DISTURBANCE UMTS
SILT FENCE PLAN
(TYP.)
3' 3'
MIN. MIN. FROM
TO TOP OFPUMP
PUMP BANK
.Ufff %L
A L:::4- AL AL
STREW —
FLOW
AM A
EX. INV.
CREEK TETMPORARY
STONE DAM
REMOVE ENOUGH SANDBAGS TO ALLOW FLOW POLTETHYLENE FABRIC ON
THROUGH WHEN NOT PUMPING AROUND. FACE (8 ML THICK)
SECTION A -A
TEMPORARY "PIPE CROSSING - PUMP AROUND"
FOR PIPE INSTALLATION
NOTES
1) EROSION STONE TO BE -CLASS I- RIP -RAP UNLESS DESIGNATED DIFFERENTLY ON
CONSTRUCTION PLAN.
2) PUMP AND UNE SIZE TO BE DETERMINED BY THE CONTRACTOR USING THE BASE FLOW
SHOWN ON THE CONSTRUCTION PLANS
3) MATERIAL SPECIFICATIONS
SANDBAGS: SANDBAGS SHALL CONSIST OF MATERIALS WHICH ARE RESISTANT TO
ULTRAVIOLET RADIATION, TEARING AND PUNCTURE, AND WOVEN TIGHTLY ENOUGH TO
PREVENT LEAKAGE OF FILL MATERIAL (Le. SAND, FINE GRAVEL, ETC.)
CONSTRUCTION SEQUENCE FOR PIPE CROSSING -PUMP AROUND
1) INSTALL PUMP AND LINE TO PUMP FLOW FROM AREA UPSTREAM OF TEMPORARY
STREAM CROSSING TO AREA DOWNSTREAM OF CONSTRUCTION AREA BEGIN PUMPING AND
CONTINUING PUMPING WHILE WORKING WITHIN THE STREAM.
2) INSTALL DOWNSTREAM TEMPORARY STONE DAM AND FILTER FABRIC TO PREVENT
BACKFLOW INTO CONSTRUCTION AREA
3) INSTALL PROPOSED SILT FENCE ALONG TOP OF BANK EACH SIDE OF THE
CONSTRUCTION AREA
4) UPON CONSTRUCTION COMPLETION, REMOVE TEMPORARY DAMS, FILTER FABRIC. DEPRESS
TEMPORARY DAM BOTTOMS INTO STREAM BED UNTIL TOP OF RIP RAP IS LEVEL WITH
STREAM BOTTOM.
5) UPON STABIUZATION OF CLEARED AREAS, REMOVE TEMPORARY EARTH BERM, SEDIMENT
TRAP, AND DEWATERING BASIN.
A�l
IMPACTNUMBER
10' WIDE
'A
ZONE 2
PERMANENTSF
STREAM oC o0
TOP OF BANK
ZONE 2 BUFFER—
-a
La
KEYED -IN CLASS -1 PoP-RAP. 18' THICK WITH
LiSYNTHETIC
FILTER FABRIC UNDER RIP -RAP
A��
II .
PLAN VIEW
926
TOP OF BANK
•;1����
IMPACT 4
1201
\
�C
KEYED -IN CLASSIC
RIP -RAP, 18' THICK EAM INVERT
,F
v�
1241
o
y SYNTHETIC FILTER FABRIC
638
UNDER RSP -RAP
RIPE
1426
SECTION A -A
NOTES:
0
1. PERMANENT CROSSING FOR VEHICLE MAINTENANCE EQUIPDMENT.
1535
2. PERMANENT CROSSING TO BE INSTALLED AFTER PIPE IS INSTALLED.
0
3. AS PROJECT IS STABILIZED PLACE SYNTHETIC FILTER FABRIC AND RIP -RAP AS SHOWN.
PERMANENT STREAM
CROSSING
NTS
0
SOIL REPLACED TO ORIGINAL GRADES
MATTING TO BE PROVIDED FOR
3ED AREA SLOPING TO CREEK
FILTER FABRKr
MATERIAL USED TO BACKFILL STREAM
CHANNEL SWILL BE WASHED STONE OR
OTHER MATERIAL WHICH WILL NOT READILY
ERODE, CAUSE SILTATION DAMAGE OR
CORRODE PIPE
(ISTING CREEK
BANK (TYP.)
CLASS 'B' RIP RAP, (24' DEPTH)
SHALL BE INSTALLED FOR STREAM
BANK STABILIZATION
FORCE MAN
NOTES,
1. MAINTAIN 3' MIN. COVER UNDER B' STEEL CASING
CREEK AND AT BOTH BANKS.
2. MATCH EXISTING BANK SLOPE.
STREAM BUFFER IMPACT TABULATION
IMPACTNUMBER
ZONE 1
PERMANENTSF
ZONE 2
PERMANENTSF
PROPOSED UTILITY ui
ZONE 2 BUFFER—
IMPACT 2
MP
824
621
415
II .
1294
926
701
•;1����
IMPACT 4
1201
>-----------------------
592
398
IMPACT 5
1241
797
638
399
♦��Y .•.�•.•.,�•.• ..❖.•.❖.•..
1426
722
0
0
IMPACT 7
1535
2255
0
281
IMPACT 8
4625 1
,.111 1 I • � -
0
0
i
2778
2002
0
0
SOIL REPLACED TO ORIGINAL GRADES
MATTING TO BE PROVIDED FOR
3ED AREA SLOPING TO CREEK
FILTER FABRKr
MATERIAL USED TO BACKFILL STREAM
CHANNEL SWILL BE WASHED STONE OR
OTHER MATERIAL WHICH WILL NOT READILY
ERODE, CAUSE SILTATION DAMAGE OR
CORRODE PIPE
(ISTING CREEK
BANK (TYP.)
CLASS 'B' RIP RAP, (24' DEPTH)
SHALL BE INSTALLED FOR STREAM
BANK STABILIZATION
FORCE MAN
NOTES,
1. MAINTAIN 3' MIN. COVER UNDER B' STEEL CASING
CREEK AND AT BOTH BANKS.
2. MATCH EXISTING BANK SLOPE.
STREAM BUFFER IMPACT TABULATION
IMPACTNUMBER
ZONE 1
PERMANENTSF
ZONE 2
PERMANENTSF
ZONE 1
TEMPORARYSF
ZONE 2
TEMPORARYSF
IMPACT 2
1240
824
621
415
IMPACT 3
1294
926
701
458
IMPACT 4
1201
804
592
398
IMPACT 5
1241
797
638
399
IMPACT 6
1426
722
0
0
IMPACT 7
1535
2255
0
281
IMPACT 8
4625 1
1744
0
0
IMPACT 9
2778
2002
0
0
TOTAL
15340
10074
2552
1951
SHEET 10 OF 10
STREAM CROSSING NOTES:
1. STREAM FLOW SWILL BE MAINTAINED AT ALL TIMES DURING THE CROSSING.
2. TYPICAL CONSTRUCTION SEQUENCE
-TEMPORARILY MINIMIZE CHANNEL WIDTH BY INSTALL DIVERSION DAM
FROM THE CENTER OF THE STREAM BACK TO ONE BANK.
-COMMENCE INSTALLATION AT THE MIDPOINT OF THE CROSSING AND
EMEND PIPUNES(S) OUTSIDE THE CONFINES OF THE CHANNEL
-REMOVE DIVERSION DAM AND INSTALL BANK STABILIZATION MEASURES
AS SHOWN.
-REPEAT FOR OPPOSITE SIDE OF THE STREAM.
3. CONTRACTOR'S EQUIPMENT SHALL NOT TRAVERSE STREAM DURING THE
COURSE OF THE WORK BUT SHALL APPROACH FROM EACH SIDE
4. CLEARING AND EXCAVATION IN WETLANDS AND STREAMS SHALL BE
MINIMIZED AND NOT EXCEED THE UMITS OF DISTURBANCE SHOWN.
5. EXCAVATION IN THE STREAM SHALL BE COMPLETED DURING PERIODS OF
LOW FLOW TO MINIMIZE POTENTIAL IMPACTS.
S. EXCAVATED MATERIALS SHALL BE RETURNED TO THE EXCAVATED AREAS AND
ANY REMAINING MATERIALS SHALL BE DISPOSED OF IN UPLANDS. ALL
EXCAVATIONS SHALL BE BACKFILLED TO ORIGINAL GRADE.
7. FOR WORK INVOLVING TEMPORARY STREAM IMPACTS, STREAMBEDS SHALL BE
RESTORED TO PRE -CONSTRUCTION ELEVATIONS AND WIDTHS USING STREAMBED
MATERIAL SUCH THAT THE IMPACTED STREAM REACH MIMICS THE ADJACENT
UPSTREAM AND DOWNSTREAM REACH. THE IMPACTED AREA SHALL BE
BACKFILLED WITH NATURAL SMEAMBED MATERIAL TO A DEPTH OF AT LEAST 12
INCHES.
8. IMPACTS TO STREAM BANKS ARE TO BE RESTORED TO PRE-CONSTRUCTION
RAD
GE AND CONTOURS.
9. ALL DISTURBED MEAS IN THE WETLANDS SHALL BE — IMMEDIATELY
FOLLOWING BACKFILL WITH ROUNDSTONE NATIVE SEED MIX /129 (SOUTHERN
WETLAND MEADOW) OR APPROVED EQUAL AT A TATE OF 9POUNDS/ACRE.
CONSTRUCTION TRAFFIC THROUGH THESE MEAS SHOULD BE MINIMIZED. AFTER
CONSTRUCTION IS COMPLETE, DISTURBED WELTMDS SHALL BE REGRADED AND
RE -SEEDED AS NEEDED.
LITTLE HAW CREEK TEMPORARY CROSSING DETAIL
NTS
,
S�=qL
18914
DETAIL SHEET
CAMBRIDGE PARK
STREAM IMPACTS 2-9
MELVILLE TOWNSHIP-ALAMANCE COUNTY
MEBANE-NORTH CAROLINA
NOVEMBER 9, 2018
40 0 20 40 80
1 inch -40ft.
+� �ans 46
09 Dundas Drive
Greensboro,
+ • �s North Carolina 27407
+E ngineeliing) Inn. Fax [phone]
—Since 1974— Phone [phone]
1 Engineers Surveyors Planners Firm License No.: C-0168
PARK -WETLAND IMPACTS.DWG

�'J( Me
*1 0.
�4
°�iA.�,ututi
City or Ilehnlie
Teluphanc:[phone]
Fm: [phone]
City of Mebane
SUFFER IMPACT
Application
106 E. Washington Street
Mebane, NC 27259
Sections A. SUMMARY INFORMATION
FOR OFFICE US5 ONLY
Perunf No.:
Dale Rec d; !�
Rcc'd B,y:
C AY web site:
irww.iit. ofrocbaffe.cnm
DEVELOPMENT NAME: Cambridge Park - Int act 2-9
LOCATION: Jones Drive, Mebane, Alamance County, North Carolina
PARCEL ID NO.: 163253, 163252, 153091, 163248 & 163253
TOTAL ACRES: 233.89 TOTAL DWELLING UNITS (if applicable) :
Zane i Impacted
Disturbance: 17,892 Square feet Type of Disturbance: Utility - Allowable w/o
Zone 2 Impacted � Mitigation
Disturbance: 12,025 Square feet Type of Disturbance: Utility - Allowable w/o
Mitigation
❑ LOW DENSITY (no more than two dwelling units per acre or twenty-four percent built -upon area):
® HIGH DENSITY (exceeds the low density thresholds for dwelling units per aero or built -upon area)
Section 13. APPLICANT INFORMATION
Owner (Owner or Developet)
Owner: Eric Dischin er
Phone No.: 336-317-3395
Company:
Desco Mebane Partners LLC
Fax No:
Address.-
600 Market Street Suite 205
Chapel Hill, NC
Zip:
27516
Fax NO:
Email Address:
[e-mail]
Consultant (Person to contact regr re ing questions or revisions to the plan)
Contact Name:
Dave Southard
Phone No.:
336-279-7456
Company:
Evans Engineering, Inc.
Fax No.:
336-854-8876
Address:
4609 Dundas Drive
Greensboro, NC
Zip:
27407
Fax No:
Email Address:
[e-mail]
Form BUFFER A U771 rl PP -1 1 of 4 January 2011

ALL ITEMS ON THIS APPLICATION MUST BE ADDRESSED PRIOR TO SUBMITTAL.
ALL INCOMPLETE SUBMITTALS WILL BE RETURNED.
Section C. REQUIRED ITEMS CHECKLIST
The following checklists outline submittal requirements. Initial in the space provided to indicate the
following submittal requirements have been met and supporting documentation is attached.
General Requirements:
Applicant's initials
DWS 1. Sheets shall be no larger than 36" x 24" plan and profile paper.
DWS 2. Minimum text size shall be 1/8".
DWS 3. Scale on plan view shall be no smaller than 1" = 50'; scale on profile view shall be
no smaller than 1" = 50' horizontally and 1" = 5' vertically using a grid showing 1'
intervals.
DWS 4. All drawings to be in North Carolina State Plane coordinate system.
DWS 5. Provide a legend indicating existing and proposed lines, features and symbols.
DWS 6. All elevations shall be given in relation to mean sea level; elevations in profile view
shall be labeled in 10' intervals on the heavy lines (Ex. 350, 360).
DWS 7. Plan views shall have a north arrow on each drawing.
DWS 8. All drawings sealed, signed and dated by a NC Professional Engineer or Landscape
Architect.
DWS 9. A signed and sealed statement on the plans certifying that the Buffer Disturbance
shall comply with the City's Jordan Lake Riparian Buffer Ordinance.
DWS 10. Plans shall show label the buffer, buffer disturbance, and active minimization
measures taken. Plans shall show the reason for the buffer disturbance and include
disturbance totals and type of disturbance.
DWS 11. Plan view shall show all actual street names. State road numbers shall be shown if
applicable. Plan view should also indicate whether street is asphalt, concrete, gravel
or dirt. Proposed street & Right-of-way widths will be dimensioned back-to-back
and labeled in plan view.
DWS 12. Plan view shall show proposed and existing curb and gutter, pavement, storm
sewers, drainage structures, driveway pipes, water mains, sanitary sewer mains, etc.
All available elevations shall be shown on the profile view. Direction of flow shall
be shown on plan view for all sanitary sewers and storm drains. Materials and pipe
sizes shall be labeled.
Form BUFFER AUTHAPP-1 2 of 4 Jantraty 2011

DWS 13. Existing utility lines shall be shown and labeled on plan view and indicated in the
legend.
DWS 14. Plans shall show final proposed locations and dimensions of all water, storm drain,
and sanitary sewer lines, devices to be installed on the system, catch basins,
culverts, ditches, including grades, pipes sizes, elevations, assumptions,
calculations, invert elevations for all inlets and manholes and profiles of sanitary
sewer lines.
DWS 15. All existing and proposed water, storm drainage and sanitary sewer easements shall
be shown on all applicable sheets.
DWS 16. Number of dwelling units
DWS 17. Existing and proposed topographic lines (minimum 2 -foot intervals).
DWS 18. Streams, ponds, wetlands, etc. on the project site and within 50 feet of the property
lines.
DWS 19. Location of floodplain and floodway (if applicable).
DWS 20. Location of drainage ways and easements.
Site Drainage Features:
N/A 21. Any existing stormwater control systems.
DWS 22. Show extent and number of disturbed acres.
DWS
23.
Proposed impervious areas.
DWS
24.
Soil information: type, special characteristics.
DWS
25.
Name and classification of receiving water course.
DWS
26.
All necessary construction specifications.
DWS
27
Sequence of construction.
DWS
28.
Construction drawings and details for temporary and permanent measures.
DWS
29.
Size and location of culverts.
DWS
30.
Disclosure of party ultimately responsible for operation and maintenance of the
disturbance.
Mitigation:
N/A 31 Buffer mitigation calculations and plans. (If applicable).
N/A 32.Designer's certification.
N/A 33. Narrative description of proposed stormwater system.
Form BUFFER AUTHAPP-1 3 of 4 January 2011

Stormwater Calculations:
DWS 34. Narrative description of disturbance (methods, variables, assumptions, etc.) and
results.
DWS 35. Narrative description of avoidance and minimization,
DWS 36. Explanation of how diffuse flow will be maintained.
DWS 37. Amount and type of existing and proposed land use.
Section D. ATTACHMENTS
® 2 sets of plans
® 1 set of calculations
® Operation and Maintenance Manual
Section E. APPLICANT'S CERTIFICATION
Designer Cerlifrcalion:
I hereby certify that the design -related information submitted with this application for permit
coverage was prepared under my direction or supervision and that the information is, in the
exercise of my reasonable professional judgment, true, accurate and complete. I also hereby
certify that the stormwater collection, treatment and control system design submitted with this
application complies with all requirements of the City's Riparian Buffer Protection Ordinance.
`"1»�tf�ulrllll�r
Vf.JEewice-President ����`� Z,,•C•ARD /'%
Original Signa re of stormwater Designer Title
SEAL.
Anthony D. Lester w ° 19773
Type or Print Name
Owner Certification:
I hereby certify that I have read this application and agree to abide by the terms of any
Stormwater Permit issued by the City of Graham.
Original Signature of Owner or Authorized Agent
Eric Discbinger
Type or Print Name
Manager
Title
Form B UFFER AUTHAPP-1 4 of 4 January 2011