20080499 Ver 3_Stormwater Site Plans_20151002

Homewood, Sue
From: Ana Jaramillo <AJaramillo @toknc.com>
Sent: Friday, October 02, 2015 12:48 PM
To: Homewood, Sue
Subject: FW: Triad Business Park Road Extension
Attachments: Final C101 Road Extension.pdf; Final C201 Details.pdf
Good afternoon Sue. See also attached copies of the approved plans for the Stormwater Management Plan for this
project.
Have a wonderful weekend.
FITITI
From: Ana Jaramillo
Sent: Friday, October 02, 2015 12:41 PM
To: 'Brian Hall' <bhall @SametCorp.com>
Cc: Jeff Hatling <JHatling @toknc.com >; Sue Homewood (Sue. Homewood @ncdenr.gov) <Sue.Homewood @ncdenr.gov >;
Curtis Swisher <CSwisher @toknc.com >; 'Brad Luckey' <bluckey @pilotenviro.com >; 'Matt Johnson' <mjohnson@triad-
designgroup.com>
Subject: RE: Triad Business Park Road Extension
• Triad Business Park— Phase II —Old Greensboro Road Extension Town of Kernersville Randleman Lake Water
Supply Riparian Buffer Authorization
• Triad Business Park— Phase II —Old Greensboro Road Extension Stormwater Management Plan Conditional
Approval by the Town of Kernersville.
Thanks,
From: Brian Hall (mailto:[e-mail]
Sent: Thursday, October 01, 2015 5:03 PM
To: Jeff Hatling <JHatling @toknc.com>
Cc: Ana Jaramillo <AJaramillo @toknc.com>
Subject: Re: Triad Business Park Road Extension
Great news! Thank you!!!!
Brian Hall
Real Estate
Preconstruction Project Manager, LEED AP
Samet Corporation
336- 544 -2643 Direct
336- 362 -2026 Cell
1

Site Data
Property Owner
Developer
The Clifford M. Ray, Jr.
Samet Corporation
Family Limited Partnership
P.O. Box 8050
3402 Bentridge Drive
Greensboro, North Carolina 27419
Mebane, North Carolina 27302
Contact - Brian Hall
Phone - (336) 544 -2643
Email - bhall @sametcorp.com
Project Address
References
Old Greensboro Road
D.B. 2799, Pg. 569
Kernsersville, NC 27302
P.B. 76, PG. 221
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Tax Parcel
Zoning
9
PIN #0168750
Industrial
Existing Use
Proposed Use
Vacant
Roadway
Total Site Acreage
8.95 Acres
Existing Built Upon Area Prior to 1993
0.00 Acres (0.00 %)
Existing Built Upon Area After 1993
0.00 Acres (0.00 %)
Total Undeveloped Site Acreage Under Regulations
8.95 Acres (100.00 %)
New Acreage of Impervious Area Proposed
3.30 Acres (36.87 %)
Precentage of Impervious Area Proposed
36.87%
— EXISTING SITE NOTES
1. TOPOGRAPHIC AND GEOMETRIC DATA PROVIDED
BY SAMET CORPORATION OF 309
GALLIMORE DAIRY ROAD, SUITE 102 GREENSBORO,
NC 27409.
2. THIS SITE IS NOT LOCATED WITHIN A SPECIAL FLOOD HAZARD ZONE PER FEMA
COMMUNITY PANEL 371069500K DATED 3/16/2009
AND 3710689600K, DATED
3/16/2009
3. THE PROPERTY IS LOCATED WITHIN THE WEST FORK DEEP RIVER WS- IV -BW.
PLACE RIP -RAP AROUN
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Pond Inlet 1 18' 24' 23" 14" 9" 36" 28.0 14.83
Pond Outlet 1 9' 11' 12" 8" 5" 18" 11.3 7.79
DETAIL A /C1.1
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Stormwater
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Date: September 25-2015
Drawn: Ml^1J I Gheck: LAH
Job Number: 14 -064
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Date: September 25-2015
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Job Number: 14 -064
Sheet:
C1.1

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CONSTRUCT DAM WITH IMPERMEABLE
SOILS. COMPACTED TO 98% STD.
917.91 PROCTOR DENSITY W/ A MOISTURE
100 YR. FLOOD STAGE EL. 918.0 CONTENT OF -1% TO +3% OF
OPTIMUM. SOILS SHALL BE UNIFORM
10 YR. FLOOD STAGE 916.70 IN CHARACTER & INSTALLED IN 8"
EL. 916.5 MAXIMUM LIFTS. SOILS SHALL BE
2 YR. FLOOD STAGE 915.97 -RISER - SEE FREE OF ORGANICS & PARTICLES OF
915.27 EL, 914.0 DETAIL X /C2.4 2" OR GREATER.
10' VEG. SHELF (10H/1 V 1 YR. FLOOD STAGE
T /SHELF 914.5 10' TEMP. BAFFLES TO REMAIN IN
B /SHELF 913.5 SHELF PLACE DURING CONSTRUCTION EL. 909.0 10 10' 10'
MIN. 3 FOREBAY SEE PLAN \ MIN.
1 INSTALL AFTER ALL AREAS DRAINING EL. 908.0 EL. 920.0
INTO POND ARE STABILIZED -
FLOODWATER STAGE \ I 1 �EMER. 3 MAX.SLOPE
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. W.Q. GE 2 - _ - _ \_� -�� - _ _ - 3 EPIL91V / 8 "x6' SQ. ALUM. PL
TEMP W STORAGE 8.0 1
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PERM. STORAGE - - 1�0 Oar INV. OUT EL. 570.00
Ln c� 2 2 1 1
5 5 r7 � �- ! - I I ENERGY DISIP.
RIPRAP OUTLET FROM PIPE o PEI M. SEDIMENT STORAGE „
TO BOTTOM OF POND
NOTE - VOLUME BELOW 8 "- DRAIN PIPE
IS TO BE PUMPED OUT AT TIME OF 1' THK. NCDOT NCDOT CLASS B STONE, N z
CLEANING OR DURING MAINTENANCE. ##57 STONE INSTALL DURING TRANSITION 4 (4) ANTI -SEEP PLATES AT
FROM SED. BASIN TO WET INV. 909.0 2' 2 FLANGE JOINTS WITH
DETENTION POND * 2 NEOPRENE GASKETS
150 LF 18 "- CAP @ 1.0% - (1 FOR EACH SIDE) TO
THE SOIL IN THE POND BOTTOM WILL BE EVALUATED TO DETERMINE TEMP. FAIRCLOTH SKIMMER, ENSURE WATERTIGHT
WHETHER A LINER IS REQUIRED. THE PERMANENT POOL ELEVATION ATTACH TO 8 "- DRAIN CUT -OFF TRENCH SEAL.
MUST BE MAINTAINED AT THE PROPOSED PIPE TO INSURE THE (TO BE REMOVED ON TRANSITION BACKFILL W /IMPERMEABLE
SURVIVAL OF THE PLANTS ON THE VEGETATED SHELF. IF A LINER IS TO PERMANENT POND AND VALVE SOILS COMPACTED TO
USED. A LINER SHALL BE CONSTRUCTED OR COMPACTED SUCH THAT CLOSED OFF) 95% STD. PROCTOR DENSITY
THE INFILTRATION RATE IS NO MORE THAN 0.01 IN. /HR.. TOP SOIL FOR
VEGETATION MUST BE PLACED ON TOP of LINER. WET DETENTION POND / SEDIMENT BASIN
DETAIL Y /C2.4
NO SCALE
-NOTE -
TEMPORARY SEDIMENT BASIN SHALL BE COMPLETELY CLEANED OF SEDIMENT
AND UPGRADED TO FUNCTION AS PERMANENT DETENTION POND AFTER ALL PERMANENT
EROSION CONTROL METHODS ARE ESTABLISHED AS INDICATED ON FINAL SITEWORK ALUM. EXPANDED
PACKAGE DRAWINGS. METAL TRASH
GUARD TOP
##4 ® 6" 0. C. E. W.
2- 1/8" THK. ANTI - VORTEX
FLOODWATER STORAGE PLATES (ALUM.)
EL. 918.0 _ _ _ _ _ _ _ _ DAM
TOP OF RISER
- ��EL. 916.5 - - - - - -
III ORIFICE, 1.75 "-
NORMAL POND LEVEL - EL. 914.0 - - - - -
SUPPORT
BRACKET, HELI ALUM.
SEE DET. Z/C2.4�0' 1 AGE PIPE
36"
TEMP. FAIRCLOTH SKIMMER, CAP
POND ATTACH TO 6 "- DRAIN
(TO BE REMOVED ON TRANSITION
TO PERMANENT POND AND VALVE
CLOSED OFF)
EL. 909.0 SEDIMENT LEVEL
EL. 908.0
NOTE - VOLUME BELOW 8 DRAIN PIPE
IS TO BE PUMPED OUT AT TIME OF
CLEANING OR DURING MAINTENANCE.
INV. 909.0
8 "- DRAIN
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_(III INV. 907.0
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DRAWING NOT TO SCALE.
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POND RISER
(10 YEAR DESIGN STORM)
(1 REQUIRED)
DETAIL X /C2.4
NO SCALE
Q10= 2.124 CFS 6
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FLANGE JOINTS WITH
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EL. 918.0
EL. 920.0
EL. 918.0
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PROFILE EMERGENCY SPILLWAY
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Y /C2.4 \
RIP RAP \ \\ \\ \\ \ \\ \\ \ \\ \
STONE \ \\ \ \\ \ \\\ \ \\ \ \\ \\\ \\ \\\ \\ \ \\
BAFFLE \ \ \ \ \ \ \ \ t \
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EMERGENCY I t \\ \\ \ \ \ \\ \ \ \ tt t t t
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SEE DETAIL t \\ \ \\ \\ DEVICE
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SECTION - EMERGENCY SPILLWAY CREST
EMERGENCY SPILLWAY
(100 YEAR DESIGN STORM) /
DETAIL V/C2.4 / SCALE -1"=20'
C NO SCALE
WET DETENTION POND CALCULATIONS
EXISTING PROPOSED FUTURE TOTAL DESIGN
POND DRAINAGE BUILT -UPON BUILT -UPON BUILT -UPON BUILT -UPON AVG. PERM. W.Q. TSS POND AREA POND AREA TEMP. W.Q. TEMP. W.Q. PERMANENT SEDIMENT PERMANENT SEDIMENT FOREBAY VOLUME FOREBAY VOLUME W.Q. W.Q. RELEASE WEIR
No. AREA DRAINAGE AREA DRAINAGE AREA DRAINAGE AREA DRAINAGE AREA STORAGE DEPTH REMOVAL SA /DA REQUIRED PROVIDED STORAGE REQ'D. STORAGE PROVIDED STORAGE REQUIRED STORAGE PROVIDED REQUIRED (20 %) PROVIDED OUTLET TIME RISER BARREL LENGTH
1 8.95 AC. 0.00 AC. 3.30 AC. 0.00 AC. 3.30 AC. 3.5 FT (AVG.) 90% 2.8 10,941 SF 11,662 SF 12,409 35,000 CF 4,070 CF 14,706 CF 8,969 CF 12,250 CF 1.75 " - 3.35 DAYS 36 "- ALUM.18 "- ALUM. 20'
* PIPE SHALL BE 14 GAGE HELICAL ALUMINUM
WET POND CONSTRUCTION NOTES CONSTRUCTION SEQUENCE FOR WET POND WET DETENTION POND OPERATION & MAINTENANCE 1` 1
.Y W .Y .Y W •Y . W .Y .Y W .Y W W .Y ...
1. ANTI -SEEP COLLARS SHALL BE INSTALLED IN ACCORDANCE WITH THE REQUIREMENTS OF THE NORTH 1. CLEAR AREA FOR POND AND POND DAM. A. THE FOLLOWING TASKS SHALL BE PERFORMED AFTER EVERY RUN -OFF PRODUCING RAINFALL \
.Y .L W .Y W W •Y W .Y .Y W .Y .Y � .Y � W W W W .Y W W
CAROLINA STORMWATER MANUAL. EVENT, OR MONTHLY AS A MINIMUM.
2. BEGIN CONSTRUCTION OF POND DAM BEGINNING WITH THE INSTALLATION OF THE DAM'S CUT
2. ALL AREAS LOCATED ALONG AND ABOVE THE POND BENCH SHALL RECEIVE A MINIMUM OF 4 INCHES OF OFF TRENCH AS SHOWN ON C2.1 OF THE APPROVED DRAWINGS. 1. REMOVE DEBRIS FROM TRASH RACK.
TOPSOIL AND BE PERMANENTLY SEEDED. SOIL STABILIZATION BLANKET SHALL BE APPLIED TO ALL
AREAS WITH A FINISHED GRADE OF 6/1 OR GREATER. ALL METHODS AND MATERIALS FOR SOIL 3. CONTINUE WITH THE DAM CONSTRUCTION, AND INSTALL THE DAM'S RISER AND BARREL KIT 2. CHECK/CLEAR OBSTRUCTIONS FROM ORIFICE OUTLET.
15" TYPICAL (VARIES)
STABILIZATION BLANKET SHALL BE IN ACCORDANCE WITH THE NORTH CAROLINA EROSION AND AND ANTI SEEP PLATES AS THE GRADING PROGRESSES. COMPACT SOILS WITHIN DAM AND
SEDIMENTATION CONTROL MANUAL. SODDING MAY BE SUBSTITUTED IN PLACE OF SOIL STABILIZATION AROUND BARREL AS INDICATED WITHIN THE POND DETAILS AND WET POND CONSTRUCTION 3. CHECK POND SIDE SLOPES AND DAM EMBANKMENT. REMOVE TRASH AND REPAIR ERODED I. 13" TYPICAL (VARIES)
BLANKET. NOTES. AREAS. �J / -/
I1r/ W W W W W W W W 1 W l r /r
3. THE BOTTOM OF THE BASIN AND THE SIDE SLOPE UP TO 18 INCHES ABOVE THE WATER SURFACE 4. INSTALL OUTLET STABILIZATION DEVICE AT THE POND BARREL OUTLET AS INDICATED ON THE 4. CHECK SEDIMENT LEVELS BEHIND BAFFLES. REMOVE SEDIMENT WHEN DEPTH REACHES 1/2 ,\ CD CD / W W W W W W W W W V 4 W O� /
/
W .Y W W W W W W W W W V•Y W
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ELEVATION SHALL BE OVER EXCAVATED BY A MINIMUM OF 12 INCHES AND REPLACED WITH A LAYER OF PLANS. BAFFLE HEIGHT.
SILTY CLAY (CL) UNLESS OTHERWISE DIRECTED BY THE GEOTECHNICAL ENGINEER. THE SILTY CLAY W W W W W W W W W W W W W W
LAYER SHALL BE PLACED ON APPROVED SUBGRADES IN MAXIMUM 8 INCH LOOSE LAYER LIFTS AND SHALL 5. ONCE THE POND DAM IS CONSTRUCTED AND THE POND AREA HAS BEEN EXCAVATED AS B. THE FOLLOWING TASKS SHALL BE PERFORMED EVERY THREE MONTHS. . W W W
BE COMPACTED TO AT LEAST 90 PERCENT OF THE STANDARD PROCTOR COMPACTION. COMPACTION W W W W ^ Y
INDICATED ON THE PLANS, STABILIZE DISTURBED AREAS, AND DAM FACE WITHIN 14 DAYS OF /8" DIA. HOLES W W / W W W W W W W �✓ /
SHALL BE ON THE WET SIDE OF THE OPTIMUM MOISTURE CONTENT. REACHING FINISHED GRADE. 1. INSPECT STORMWATER COLLECTION SYSTEM (PIPING, STRUCTURES, SWALES) FOR PROPER 9 / W W W /C .V W /
W
OPERATION. REMOVE TRASH, SEDIMENTS & OBSTRUCTIONS FROM SYSTEM.
4. ALL BASINS SHALL FUNCTION AS A TEMPORARY SEDIMENT BASIN DURING CONSTRUCTION. UPON 5. SET UP POND AS A TEMPORARY SEDIMENT BASIN FOR EROSION CONTROL PURPOSES.
COMPLETION OF CONSTRUCTION, THE BASINS SHALL BE CLEANED OF SEDIMENT AND CONVERTED TO A 2. INSPECT RIPRAP ENERGY DISSIPATORS FOR EROSION AND UNDERCUTTING. REPAIR AS • W W W W / w\ W W .r W W / /
STROMWATER MANAGEMENT FACILITY. 6. AS GRADING ON SITE PROGRESSES AND STORMDRAIN NETWORK IS INSTALLED, INSTALL THE REQUIRED.
REQUIRED OUTLET STABILIZATION STRUCTURES WITHIN THE POND AS INDICATED ON THE �\ W W W
5. THE CONTRACTOR SHALL ENGAGE THE SERVICES OF A STATE REGISTERED LAND SURVEYOR TO 3. REPAIR ERODED AREAS AND RESEED BARE SPOTS THROUGHOUT, TO REDUCE SEDIMENT � CONTRACTOR TO ATTACH TO ALUM. RISER W W W W W / W W \
PLANS. - W W W W /Y
PROVIDE AN AS -BUILT AND VOLUME COMPUTATIONS OF THE STORMWATER MANAGEMENT FACILITY AND GENERATION. W W J
W
SHALL PROVIDE THE AS -BUILT TO THE OWNER AND ENGINEER. 7. ONCE BUILDING CONSTRUCTION IS COMPLETE AND ALL AREAS DRAINING TO POND HAVE BEEN
STABILIZED WITH PERMANENT VEGETATION, CLEAN OUT WET POND AND FINE GRADING
4. INSPECT POND OUTLET DEVICES AND CHANNEL DOWNSTREAM OF DAM. REPAIR SST U -BOLT W /DBL. NUTS
6. THE BERMS AROUND THE POND(S) SHALL BE CONSTRUCTED OF COMPACTED STRUCTURAL FILL TO STABILIZE LIFT ROD
UNDERCUTTING OR DAMAGE TO CHANNEL LINING. MAKING SURE POND BOTTOM, SHELF, AND DAM ARE AT THE ELEVATIONS AS INDICATED ON THE FOR GATE
CLASSIFIED AS SM, SM -SP, SP, SC OR BETTER CONTAINING LESS THAN 30% BY WEIGHT SILT OF CLAY AND APPROVED DRAWINGS. ,✓ W W W W W W W W W
B FREE OF DEBRIS. THIS MATERIAL SHALL BE PLACED ON APPROVED SUBGRADES AND IN HORIZONTAL 5. CHECK DOWNSTREAM DAM FACE FOR EVIDENCE OF SEEPAGE OR OVERTOPPING. LIFT ROD SUPPORT BRACKET W W y W W W
LIFTS NOT EXCEEDING 8 INCHES IN LOOSE THICKNESS MOISTURE CONDITIONED TO WITHIN -1% TO +3% 8. INSTALL STONE FOREBAY BAFFLE AND REMOVE E &SC BAFFLES FROM POND.
OF OPTIMUM MOISTURE CONTENT AND COMPACTED TO MINIMUM OF 95% OF THE MAXIMUM DENSITY C. THE FOLLOWING TASKS SHALL BE PERFORMED EVERY SIX MONTHS. DETAIL Z /C2.4
OBTAINED IN ACCORDANCE ASTM D698 STANDARD PROCTOR METHOD. SOILS SHALL BE FREE OF g. CLEAN ALL RIP RAP ENERGY DISSIPATERS INTO POND AND BELOW POND DAM OF ANY
ORGANICS AND ANY PARTICLES LARGER THAN 2" IN DIAMETER. EACH LIFT OF BERM SHALL BE SCARIFIED SEDIMENT 1. INSPECT INTERIOR OF OUTLET STRUCTURE. REMOVE ACCUMULATED SEDIMENTS OR NO SCALE
, REPLACING RIP RAP IF REQUIRED. ' W ' W W /�
PARALLEL TO THE BERM CREST AXIS TO A DEPTH OF 3 INCHES BEFORE PLACEMENT OF THE COMPACTED OBSTRUCTIONS. / 133 -
W W W
STRUCTURAL FILL. STRUCTURAL FILL SHALL BE ANALYZED AND APPROVED BY THE PROJECT 10. DISPOSE OF THE SEDIMENT REMOVED FROM THE POND BOTTOM WITHIN AN APPROVED
GEOTECHNICAL ENGINEER PRIOR TO USE ON EMBANKMENT. AT ALL TIMES DURING THE CONSTRUCTION LOCATION. 2. CHECK POND DEPTH AT VARIOUS LOCATIONS. REMOVE ACCUMULATED SEDIMENTS IF DEPTH W W W
OF BMP EMBANKMENT, THE CONTRACTOR SHALL ENSURE THAT THE GEOTECHNICAL INSPECTOR IS IS LESS THAN 3/4 SPECIFIED.
PRESENT AND OBSERVING THE INSTALLATION. 11. CLOSE 8" DRAIN VALVE AND REMOVE SKIMMER FROM POND.
3. CLEAR TREES AND SAPLINGS FROM DAM EMBANKMENT.
7. BEFORE THE PLACEMENT OF THE COMPACTED STRUCTURAL FILL FOR THE BERM THE SUBGRADES SHALL 12. PLANT VEGETATED SHELF AS REQUIRED.
BE INSPECTED BY A GEOTECHNICAL ENGINEER. UNSUITABLE SOILS CONTAINING BUILDING RUBBLE AND D. GENERAL
OTHER DEBRIS SHALL BE REMOVED FORM THE BERM AREA. SUITABLE, COMPACTED BERM FILL 13. 13. ALLOW POND TO FILL TO NORMAL POOL ELEVATION FROM STORM RUNOFF.
SUBGRADE SHALL BE SCARIFIED PARALLEL TO THE BERM CREST AXIS TO A DEPTH OF 3 INCHES BEFORE 1. MOW POND SIDES REGULARLY TO MAINTAIN MAXIMUM GRASS HEIGHT OF 611.
PLACEMENT OF THE COMPACTED STRUCTURAL FILL.
2. REMOVE VEGETATION WHICH GROWS WITHIN POND, EXCEPT WETLAND GRASSES ALONG
8. THE GEOTECHNICAL ENGINEER SHALL DETERMINE MATERIALS SUITABLE FOR STRUCTURAL FILL.
SEDIMENT TRAP AND SEDIMENT BASIN MAINTENANCE NOTES PERIMETER.
9. SEED ALL SIDE SLOPES AND EMBANKMENTS PER THE SEEDING SCHEDULE SHOWN ON SHEET C2.1 1. INSPECT TEMPORARY SEDIMENT TRAPS AND SEDIMENT BASINS AT LEAST WEEKLY AND AFTER 3. MONITOR POND DRAWDOWN TIME. IF DRAWDOWN EXCEEDS TABULATED TIME, REMOVE
10. STABILIZE SIDE SLOPES AND EMBANKMENTS GREATER THAN 3/1 PER THE NCDENR EROSION AND EACH SIGNIFICANT(((" OR GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY. OBSTRUCTIONS FROM RISER ORIFICE. HIGH MARSH 2,130 SF
SEDIMENTATION CONTROL MANUAL. 2. WHEN SEDIMENT REACHES ONE -HALF THE DESIGN DEPTH OF THE TRAP OR BASIN, REMOVE 4. INSPECT EMERGENCY SPILLWAY. REPAIR ERODED AREAS AND REMOVE OBSTRUCTIONS.
SEDIMENT AND RESTORE TRAP OR BASIN TO ITS ORIGINAL DIMENSIONS. PLACE SEDIMENT Plant requirement - 50/200 sf. Plants provided - 533
0 11. INSTALLATION SHALL BE IN GENERAL CONFORMANCE WITH NCDENR STATE STORMWATER MANUAL THAT IS REMOVED IN A DESIGNATED DISPOSAL AREA.
LATEST EDITION. HERBACIOU S SCHEDULE
N
_0 3. REPLACE ANY PART OF THE GRAVEL FACING THAT IS IMPAIRED BY SEDIMENT. Scientific Name Common Name Size Quantityl
ENGINEERS CERTIFICATION OF POND AND DAM SAFETY ENGINEER'S CERTIFICATION OF STORMWATER QUALITY CONTROL
� 4. PERIODICALLY CHECK THE DEPTH OF THE SPILLWAY TO ENSURE IT IS A MINIMUM OF 1.5 FEET O Carex Tenera Quill Sedge 1 qt 267
BMP LANDSCAPING BELOW THE LOW POINT OF THE EMBANKMENT. I, L. Allan Hill, P.E. certify that the stormwater pond and dam shown on this plan satisfies I certify that, pursuant to generally accepted engineering standards in
? requirements of the North Carolina State Dam Safety Law of 1967 (As Amended Through 1995) the community, it is my professional opinion that runoff from the first Eupatoriadelphus
1. A DETAILED LANDSCAPE PLAN PREPARED BY A QUALIFIED DESIGN PROFESSIONAL SHALL BE 5. IMMEDIATELY FILL ANY SETTLEMENT OF THE EMBANKMENT TO SLIGHTLY ABOVE DESIGN , inch of rainfall from areas that are required to be controlled per Town Fistulosus
and the Rules and Regulations as presented in the North Carolina Administrative Code Title 15A Joe Pye Weed 1 qt 133
m of Kernersville Phase II Post - Construction Stormwater Manual is
o SUBMITTED PRIOR TO CONSTRUCTION. GRADE. Subchapter 2K - Dam Safety. Even in the case where the dam shown on this plan is determined controlled by a permanent engineered stormwater quality control that Rhynchospora
v by the State to be exempt from the above noted Dam Safety requirements. I, as the qualified has been designed to meet or exceed the requirement in the Town of Colorata Starrush Whitetop 1 qt 133
9 2. A SOIL SAMPLE /ANALYSIS MAY BE REQUIRED PRIOR TO PLANT SELECTION TO ENSURE 6. ANY RIP -RAP DISPLACED FROM THE SPILLWAY MUST BE REPLACED IMMEDIATELY. design engineer, certify that the pond and dam are designed to be safe and adequate for the Kernersville Phase II Stormwater Manual.
w GROWTH AND PERFORMANCE. protection of public health, safety, welfare, and downstream property. I understand that this LOW MARSH 1,972 SF
certification as the design engineer shall not relieve the owner or operator of the pond and dam
3. SOIL MAY REQUIRE ADDITIONAL ENRICHMENT TO ENSURE PLANT GROWTH AND from the legal duties, obligations, and liabilities arising from such ownership or operation. P.E. SIGNATURE Plant requirement an
it -50 200 sf. Plants provided - 493
o STORMWATER NOTES PERFORMANCE. q / p
4. SOIL SHALL NOT BE COMPACTED PRIOR TO PLANTING. 1. THE ENGINEER'S CERTIFICATION OF COMPLETION WILL BE REQUIRED PRIOR TO THE FINAL Signature and Seal of NC Licensed H ERBACI OU S SCHEDULE
PLAT OF CERTIFICATE OF OCCUPANCY. THE STORMWATER CONTROL IS TO BE INSPECTED TO Professional Engineer DATE �������
> ENSURE IT IS FUNCTIONING AS DESIGNED AND HAS FULL DESIGN VOLUME PRIOR TO ��� /��� �� ��i Scientific Name Common Name Size Quantity
�? / 5. PLANTS SELECTED SHALL BE OF RANDOM DIVERSITY AND DENSITY TO ENSURE SURVIVAL. •�� ��� ",
ISSUANCE OF THE FINAL CERTIFICATE OF OCCUPANCY. `� Ci/iRo ��� �� �• �/ ��
o ,/A�i�� ����• S �/9� Iris Virginica Blue Flag Iris 1 qt 247
:1i 6. NO TREES OR SHRUBS SHALL BE PLANTED WITHIN 10 FEET OF INLET OR OUTLET PIPES, OR �.•F E S S /•• "/'.�/ i ENGINEER'S CERTIFICATION NOTE OF STORMWATER O•'.
MANHOLE DRAINAGE STRUCTURES SUCH AS SPILLWAYS OR FLOW SPREADERS. 2. THE PROPERTY OWNER IS RESPONSIBLE FOR MAINTAINING THE STORMWATER CONTROL •� O••'. :� 2%
Z ACCORDING TO THE APPROVED MAINTENANCE PLAN AND DIRECTION OF THE TOWN OF :� 2 . QUANTITY CONTROL 'a SEAL �' A. Juncus Effusus Soft Rush 1 qt 123
0 7. LANDSCAPING SHALL BE WATERED FOR THE FIRST YEAR AFTER PLANTING. KERNSERSVILLE. ;a SEAL r-: Z The storm water control structure(s) shown on this S t 15809 r�
15809 plan is designed to reduce the post - development 1 Z ® Sagittaria Latifolia Duck Potato 1 qt 123
3. THE TOWN OF KERNSERSVILLE AND THEIR ASSIGNS HAVE RIGHT TO ACCESS THE . . year 24 hour storm event and the 10 year 24 hour • F Q.•
X 8. A MINIMUM TWO -YEAR WARRANTY PERIOD SHALL BE PROVIDED STIPULATING REQUIREMENTS STORMWATER CONTROL FOR INSPECTIONS OR MAINTENANCE, AS NECESSARY. • ��+ F,�' storm event to pre - development rates. ����CA ���� %�•••+0 1 N;- \/��
p FOR PLANT SURVIVAL /REPLACEMENT. '.-.0. 1 N''..�, �� ��N RQ // JO �� •••• �/�� Note - Plant count approximate. Contractor responsible for verifying quantities.
o '• ;� .�`� ..'•••SS'.`,7i10 '19 SAN
4. ALL NECESSARY APPROVALS HAVE BEEN/WILL BE OBTAINED FROM THE STATE /CORPS FOR 44� AN N, 01 •�OF E /0% : 'I� ## #$sets LANDSCAPING CONSTRUCTION SEQUENCE
Y ANY WETLAND DISTURBANCE, STREAM CROSSING /DISTURBANCE. 000000160�� P.E. SIGNATURE �' 1. All work is to meet or exceed city of Mebane Standards.
Q - :a SEAL Z 2. Obtain soil test and add recommended nutrients.
0 5. IN ACCORDANCE WITH GS- 143- 215.25A AND 143 - 215.26 OF THE NC DAM SAFETY LAW AND 3. Rip vegetated shelf a minimum of 6' deep.
W ADMINISTRATIVE CODE 15A NCAC 2K.0200, THE STATE DAM SAFETY OFFICE HAS BEEN /WILL BE 15809 4. Add 1 topsoil.
w DATE • �,F\ Q-; • 5. Lime soil media to a Ph of 6.0 and rototill.
Z CONTACTED FOR DETERMINATION OF THE HAZARD CLASSIFICATION OF THE PROPOSED DAM. ,/(, F„ 6. Install plants and water in well.
V / • ••.0 I NE.•' \/�� 7. Maintain per Maintenance Schedule.
Z) � ��` 8. Seed entire vegetated shelf with 5 Ibs of Ernst "Wetland Seed Mix" per seeding specification.
Q �•� <<ANN\,,- 9. Maintain and replace dead plants for two years.
1 2 3 4 5
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/
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10'
VEGETATED
SHELF
T/S - 914.5
B/S - 913.5
\ ` `\ \
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'133 -JOE
PIE WEED
MAINTENANCE SCHEDULE FOR WETLANDS /VEGETATED SHELF
DESCRIPTION
METHOD
I FREQUENCY
I TIME OF THE YEAR
SOIL
INSPECT AND REPAIR
VISUAL
MONTHLY
MONTHLY
EROSION
Z
ORGANIC LAYER
co
Cn
REMULCH ANY VOID AREAS
BY HAND
WHENEVER NEEDED
WHENEVER NEEDED
REMULCH PLANTING AREAS
BY HAND
ONCE A YEAR
SPRING
REMOVE DEBRIS AND ALL
BY HAND
WHENEVER NEEDED.
WHENEVER NEEDED.
FLOATABLE MATERIALS.
Z
CHECK FILTRATION RATE.
VISUALLY
EVERY SIX MONTHS
SPRING /FALL
INSPECT PAVEMENT /GRASS INTERFACE
VISUALLY
MONTHLY.
MONTHLY
FOR CRACKING - BREAKAGE.
PLANTS
L
III
PLANTING DATES
3 -15 TO 4 -30 AND
O
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10 -1 TO 11 -30
Q
ii
REMOVAL AND REPLACEMENT
Q
aIse
OF ALL DEAD AND DISEASED
SEE PLANTING
TWICE A YEAR
3 -15 TO 4 -30 AND
VEGETATION CONSIDERED
SPECIFICATIONS
10 -1 TO 11 -30
BEYOND TREATMENT
TREAT ALL DISEASED
MECHANICAL OR
N/A
VARIES, DEPENDS ON INSECT
TREES AND SHRUBS
BY HAND
OR DISEASE INFESTATION
WATERING OF PLANT MATERIAL
SHALL TAKE PLACE AT THE
END OF EACH DAY FOR 14
BY HAND
IMMEDIATELY AFTER
N/A
CONSECUTIVE DAYS AFTER
PLANTING HAS BEEN COMPLETED.
REPLACE DEAD PLANTS AFTER TWO
BY HAND
ONCE A YEAR
YEARS
WATERING OF PLANT MATERIAL
BY HAND
WEEKLY
3 -15 TO 10 -30
6
(Triad Design Group, P.C.
4807 -C Koger Boulevard
Greensboro, NC 27407
Telephone [phone]
Facisimile 336 218 -8010
www.triad - designgroup.com
NC Architecture Reg. 50709
NC Engineering Lic. C -1108
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Date: September 25, 2015
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Job Number: 14 -064
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Date: September 25, 2015
Drawn: M1NJ I Gheck: LAH
Job Number: 14 -064
Sheet:
C2.1