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COMMENTS DATED 05/10/22
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06/22
RESPONSE TO NCDEQ DEMLR
COMMENTS DATED 06/03/22
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NC LIC. NO. F-1370 IENGINEERING)
SC COA NO. C01488
14 N. Boylan Avenue, Raleigh NC 27603 1 919.828.0577
1526 Richland St., Columbia SC 29201
BARTLETT
ENGINEERING a SUAYEYIN6 , PC
Electronic files are instruments of service provided by Smith
Gardner, Inc. for the convenience of the intended recipient(s), and
no warranty is either expressed or implied. Any reuse or
redistribution of this document in whole or part without the
written authorization of Smith Gardner, Inc., will be at the sole
risk of the recipient. If there is a discrepancy between the
electronic files and the signed and sealed hard copies, the hard
copies shall govern. Use of any electronic files generated or
provided by Smith Gardner, Inc., constitutes an acceptance of
these terms and conditions.
STANDARD SECTION LOCATION
CALLOUT (SHEET AND DETAIL)
SECTION REFERENCED
SHEET WHERE SECTION IS PRESENTED
STANDARD DETAIL CALLOUT
DETAIL REFERENCED
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SHEET WHERE DETAIL
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STANDARD DETAIL LABEL AND CALLOUT
DETAIL TITLE DETAIL REFERENCED
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SHEET WHERE DETAIL
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STANDARD REVISION
CALLOUT (SHEET AND DETAIL)
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SET REVISION NUMBER
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REFERENCES
1. PARCEL BOUNDARIES WETLAND AND STREAM LOCATIONS PROVIDED BY BARTLETT
DRAWING TITLE:
ENGINEERING & SURVEYING, PC. BASED ON FIELD SURVEY DATED AUGUST 5, 2020.
2. EXISTING TOPOGRAPHY IN ACTIVE AREAS PROVIDED BY BARTLETT ENGINEERING &
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W.M.B. WILSON 20-1
7. ARCHAEOLOGICAL STUDY DATED OCTOBER 2017, AUGUST 2020, AND JUNE 2021. FROM
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ARCHAEOLOGICAL CONSULTANTS OF THE CAROLINAS, INC. AS SHOWN
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APPROVED R% DATE:
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BASED ON FIELD SURVEY DATED MAY 27, 2020. JULY 2020
OFILL AREA
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0 400' 800' 1200' FILENAME: WILSON-D0042
SHEET NUMBER: DRAWING NUMBER:
2 S1
© 2022
Smith Gardner, Inc.

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SC COA NO. CO1488
20OFT WETLAND AND STREAM BUFFER (� 0000
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GARDNER
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PROPOSED SILT FENCE/LIMITS OF CONSTRUCTION L / / J PROTECTION I \ \ \ 2 INLET PROTECTION \ \\ /
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PROPOSED DRAINAGE CHANNEL
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AREA OF POTENTIAL ARCHAEOLOGICAL SIGNIFICANCE ) (/ (� / / (I > i ( I I \ \ \
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EXISTING MONITORING WELL / 1 \ \� \ 11 ( \ 1 1 \ `\ 51 • 5 S / \ \ \ \ \ \ \ I / /
(SEE REFERENCE 5) \ / I/ \\ \\ \\� J / \\ \\ \ \ �\ v \\ �\ \ \ \ I SILT BAG / REV. DAT
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SB-1 PROPOSED SEDIMENT BASIN 2 05/2
PROPOSED STONE FILTER OUTLET J/( STONE FILTER FENCE 4 \ - _ 1 I {.''. 1 J \ \ \ � \ <
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\ I I a - - 1 // l \ 1. CONTRACTOR TO INSTALL SILT FENCE AROUND SOIL STOCKPILE 6 09/2
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/ I 6 I 2. CONTRACTOR TO PROTECT AREAS OF ARCHAEOLOGICAL SIGNIFICANCE.
- / \ (TYP.) INTERIOR BERM
EC1 /_ DC-,3 - - _ , - ` I I ,til / / / / 3. PZ-1 ABANDONED BY GEOLOGIC EXPLORATIONS ON 9/7/22.
I to Ioe"REFERENCES
-) � 4 I / / 1. PARCEL BOUNDARIES WETLAND AND STREAM LOCATIONS PROVIDED BY BARTLETT ENGINEERING &
EXISTING BORROW AREA \ l / \ \ \ I I I ^ ��'`� /b /� - �I �Z�oc -yy�„ (`' % I / / / SURVEYING, PC. BASED ON FIELD SURVEY DATED AUGUST 5, 2020.
��� c /� B-15 ( / I // // 2. EXISTING TOPOGRAPHY IN ACTIVE AREAS PROVIDED BY BARTLETT ENGINEERING & SURVEYING, PC.
BASED ON FIELD SURVEY DATED AUGUST 5, 2020. SUPPLEMENTAL TOPOGRAPHY FOR AREAS
OUTSIDE OF ACTIVE AREAS PROVIDED BY FLOOD RISK INFORMATION SYSTEM (FRIS) LiDAR. FEMA MAP
MW-5 /) I I I -� / NUMBERS 3720373100J AND 3720373200J, DATED 04/16/13. TOPOGRAPHY IN PHASE 1 FROM
} I \ \ , - -� ( I / / I ENGINEERING SURVEY PROVIDED BY SMITH GARDNER INC
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DESCRIPTION
2
ADDENDUM NO.2
2
RESPONSE TO NCDEQ DEMLR
COMMENTS DATED 05/10/22
2
RESPONSE TO NCDEQ DEMLR
COMMENTS DATED 06/03/22
2
ISSUED FOR CONSTRUCTION
2
RESPONSE TO NCDEQ DWM
COMMENTS DATED 06/21/22
2
RECORDISSUE
I Electronic files are instruments of service provided by Smith
3. FLOOD HAZARD INFORMATION FROM NORTH CAROLINA FLOODPLAIN MAPPING PROGRAM, FEMA FIRM no Gardner,
d e , Inc. for the convenience
is either expressed or implied. the i dtennded ruse recipient(s), and
_ / I I 1 MAP NO. 3720373100J 3772037200J AND 3720374100J.
/ 1 L I ' ' redistribution of this document in whole or part without the
` / ( / / // I / f0 �E A@ANDONEO I I I / 4. WETLAND SURVEY AND STREAM DELINEATION DATED MARCH 2O20 FROM SOIL & ENVIRONMENTAL written authorization of Smith Gardner, Inc., will be at the sole
3 / ( MW-2 % - / I / I I / / CONSULTANTS PA. risk of the recipient. If there is a discrepancy between the
SILT BAG \ / / o / / ,` ✓ / �� -- - I / BY OTHER' I�E N0 3) / / / ' electronic files and the signed and sealed hard copies, the hard
EC2LOC / o / ) ( / / \ ) I ) / 5. WELL AND BORING LOCATION PROVIDED BY BARTLETT ENGINEERING & SURVEYING, PC. BASED ON copies shall govern. Use of any electronic files generated or
coy / / ` ? I ( \ / / \ - - - _ I / / / FIELD SURVEY DATED MAY 27, 2020. provided by Smith Gardner, Inc., constitutes an acceptance of
�� / `' l / \ I \ \ - / �- ) i 6. ARCHAEOLOGICAL STUDY DATED OCTOBER 2017 AUGUST 2020 AND JUNE 2021. FROM these terms and conditions.
/ \ t RIP RAP LINED q / ��o / \ �) ( / / ARCHAEOLOGICAL CONSULTANTS OF THE CAROLINAS, INC.
STONE FILTER OUTLET TO o�/ �'-� �o� _ ► � ► �� � l �
,t / _ - .r _ CHANNEL (TV.) 1_ �� / �� / 1 I ( / I J ^� \ � /_ // ( / / / 7. SEASONAL HIGH POTENTIOMETRIC GROUNDWATER ELEVATIONS COLLECTED FROM SEMI-ANNUAL PROJECT TITLE:
BE -REMOVED ONCE BASIN t - - - _ � ( ) / b B-11 r- _\ ( / ` I / / � / / /
/ // - / ��� 1' 1 I �` f ') ) \ '1 / \_ - / / / 1 - / - / / / / � GROUNDWATER MONITORING AND HYDROGEOLOGIC INVESTIGATIONS PERFORMED FROM 2016 TO 2021.
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�1\� (/ I�/1J/�� l ` `1(JI �i \ 1 I 13-12� I \ MANUAL AS WELL AS APPLICABLE REGULATIONS.
- 92 - / \ I 1 I \ 2. AN EROSION AND SEDIMENTATION CONTROL PERMIT AND A CERTIFICATE (COC) MUST BE OBTAINED PRIOR TO ANY LAND DISTURBING ACTIVITIES. WESTS I D E CRD LANDFILL
/ 3 _ - - SB-1 - \ 1 / 1 / / \ / I I j \ / \111 / I ) \ 3. EROSION AND SEDIMENTATION CONTROL MEASURES SHALL BE ESTABLISHED PRIOR TO, OR AS SOON AS PRACTICAL THEREAFTER, ANY LAND CLEARING OR CONSTRUCTION ACTIVITIES MAY BEGIN. THE
RIP RAP OUTLET O I� 1 \ �/ CONTRACTOR SHALL FOLLOW THE FOLLOWING SCHEDULE:
I ( I ( l l / _ I l� II I I A. CONTACT NCDEQ DIVISION OF ENERGY, MINERAL, AND LAND RESOURCES, LAND QUALITY SECTION, (RALEIGH REGIONAL OFFICE: [phone]), AT LEAST 48 HOURS PRIOR TO COMMENCING LAND AREA 2 PHASE 1
I / PROTECTION/ \ ` - I / I' \ \ _ / f \ ` �_ �� S� (\ / 111 / / / \ DISTURBING ACTIVITIES.
\ / / / ) I I I B FLAG THE CLEARING LIMITS AND IDENTIFY ANY TREE PROTECTION AREAS WITH THE OWNER CONSTRUCTION
C. INSTALL TEMPORARY GRAVEL CONSTRUCTION ENTRANCE/EXIT.
D. CLEAR ONLY AS NECESSARY TO INSTALL EROSION AND SEDIMENTATION CONTROL MEASURES.
J L) 1 I ) I / / E. ONLY STRIP/GRUB AREAS REQUIRED FOR INSTALLATION OF STRUCTURES, BERMS AND DRAINAGE CHANNELS.
F. PERFORM EARTHWORK AS REQUIRED FOR CONSTRUCTION. INSTALL DRAINAGE AND EROSION AND SEDIMENTATION CONTROL MEASURES AS AREAS ARE BROUGHT TO GRADE.
5 1 // / G. PERFORM FINE GRADING AND ESTABLISH PERMANENT VEGETATION ON COMPLETED AREAS. DRAWING TITLE:
�6�� ` a EC2 BAFFLES (TV.)_ -/- _ - (/ 1 - \ `� 1 / 4. SITE DEWATERINGH. AFTER BIS TO BE DONE THROUGH ILIZATION, REMOVE SILT CA SILT BAG WITH AING AND OTHER PFLOATING INTAKEMEASURES ATHAT IS CONSTANTLY MONITOREDS DIRECTED BY THE OWNER AND SWHILE NMUSENT VEGETATION ON THE DISTURBED AREAS.
2 < - C� _�'��.,��d�l/ \ \ \ ( 5. ALL EROSION AND SEDIMENTATION CONTROL MEASURES SHALL BE CONSTRUCTED ACCORDING TO THE CONTRACT DRAWINGS AND SPECIFICATIONS.
PROPOSED SIL
-
T FENCE 7 #. l
ECG 1 ) \ / \ �( \ - \ ` ^� 6. ALL EROSION AND SEDIMENTATION CONTROL MEASURES SHALL BE INSPECTED AT LEAST ONCE EVERY SEVEN CALENDAR DAYS AND WITHIN 24 HOURS AFTER ANY STORM EVENT OF GREATER THAN 1 S U B G RAD E GRADING
DRY DETENTION BASIN C2 / \ SB 2\ J ( C - INCH OF RAIN PER 24 HOUR PERIOD AND APPROPRIATE MAINTENANCE CONDUCTED. A RAIN GAGE SHALL BE INTALLED AT THE PROJECT SITE FOR MONITORING. MAINTENANCE SHALL INCLUDE, BUT AND DRAINAGE PLAN
O ) �� / NOT BE LIMITED TO:
A. THE REMOVAL AND SATISFACTORY DISPOSAL OF TRAPPED OR DEPOSITED SEDIMENTS FROM BASINS, TRAPS, BARRIERS, FILTERS, AND/OR DRAINAGE FEATURES/DEVICES;
B. REPLACEMENT OF FILTER FABRICS USED FOR SILT FENCES UPON LOSS OF EFFICIENCY; AND
C. REPLACEMENT OF ANY OTHER COMPONENTS WHICH ARE DAMAGED OR CANNOT SERVE THE INTENDED USE.
7. SOIL STABILIZATION SHALL BE ACHIEVED ON ANY AREA OF THE SITE WHERE LAND -DISTURBING ACTIVITIES HAVE TEMPORARILY OR PERMANENTLY CEASED ACCORDING TO THE FOLLOWING SCHEDULE:
✓7 A. ALL BASIN AND DIVISION SLOPES ARE TO BE COVERED WITH A SUITABLE RECP AFTER SEEDING AND ALL SWALES AND DITCHES ARE TO BE LINED TO THE LINED TO THE TOP OF THE BANK.
\`/ ,r l B 6 I o �\ -) I B. ALL PERIMETER DIKES, SWALES, DITCHES, PERIMETER SLOPES, AND ALL SLOPES STEEPER THAN 3 HORIZONTAL TO 1 VERTICAL (3H:lV) SHALL BE PROVIDED TEMPORARY OR PERMANENT
PZ-3
STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 7 CALENDAR DAYS FROM THE LAST LAND -DISTURBING ACTIVITY.
C. ALL OTHER DISTURBED AREAS SHALL BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 14 CALENDAR DESIGNED:
DAYS FROM THE LAST LAND -DISTURBING ACTIVITY. W. M. B.
D. BASINS, TRAPS, CHANNELS, AND DIVERSIONS SHALL BE LINED WITH ANCHORED ROLLED EROSION PRODUCTS OR RIP RAP AND/OR VEGETATED UPON CONSTRUCTION. DRAWN: s
E. PERMANENT GROUND COVER FOR ALL DISTURBED AREAS SHALL BE ESTABLISHED WITHIN 15 WORKING DAYS OR 90 CALENDAR DAYS (WHICHEVER IS SHORTER) FOLLOWING COMPLETION OF J
/ / / \ \ \ �� ✓ 1 J I \ , \ \ \ / \ CONSTRUCTION OR DEVELOPMENT. APPROVED:
8. A COPY OF THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN, THE CERTIFICATE OF APPROVAL, AND LETTER OF APPROVAL ARE TO BE KEPT ON SITE (BY OWNER).
9. THE NPDES PERMIT (WITH A MINIMUM OF 30 DAYS OF SELF -INSPECTION REPORTS) ARE TO BE KEPT ON SITE AND A RAIN GAUGE IS TO BE INSTALLED AND MAINTAINED FOR RECORD KEEPING FILENAME:
UNTIL THE PROJECT IS CLOSED OUT BY THE LAND QUALITY SECTION REGIONAL OFFICE. SHEET NUMBER:
// / \\ i `\ ✓ / \ \ \ / �, n = �� v 0 0 / 10. UPON PROJECT COMPLETION, THE PERMITTEE SHALL CONTACT DEMLR TO CLOSE OUT THE EROSION AND SEDIMENTATION CONTROL PLAN. AFTER DEMLR INFORMS THE PERMITTEE OF THE PROJECT
/ \ J \ // CLOSEOUT, VIA INSPECTION REPORT, THE PERMITTEE SHALL VISIT DEQ.NC.GOV/NCGO1 TO SUBMIT AN ELECTRONIC NOTICE OF TERMINATION (e-NOT). A $100 ANNUAL GENERAL PERMIT FEE WILL BE 3
h22 Smith Gardner, Inc. / \ \ 1\� / ? // CHARGED UNTIL THE e-NOT HAS BEEN FILLED OUT.
PROJECT NO:
WILSON 20-1
SCALE:
AS SHOWN
DATE:
JULY 2020
WILSON-DO043
DRAWING NUMBER:
S2

DocuSign Envelope ID: 341090CD-AC8D-4004-BCFC-OF26B9D22DF6
PREPARED FOR:
SEEDING SCHEDULE
MATERIAL
SEED TYPE
APPLICATION RATE
4,000 LBS/ACRE (SANDY SOIL)
LIME
-
6,000 LBS/ACRE (CLAY SOIL)
FERTILIZER
(10-10-10)
_
1,000 LBS/ACRE
SEED
KENTUCKY 31 TALL FESCUE
250 LBS/ACRE
SERICEA LESPEDEZA
30 LBS/ACRE
PERMANENT
KOBE LESPEDEZA
10 LBS/ACRE
(SEE NOTE 4)
SEASONAL NURSE CROP
SEE NOTE 2
TEMPORARY
SEASONAL NURSE CROP
SEE NOTE 2
MULCH
-
4,000-5,000 LBS/ACRE
BINDER
-
400 GALLONS/ACRE
NOTES:
1. APPLICATION RATES AND/OR CHEMICAL ANALYSIS SHALL BE CONFIRMED OR ESTABLISHED
BY A SOIL TEST.
2. USE SEASONAL NURSE CROP IN ACCORDANCE WITH SEEDING DATES AS STATED BELOW:
APRIL 15 - AUGUST 15 10 LBS/ACRE GERMAN MILLET OR
15 LBS/ACRE SUDANGRASS
AUGUST 16 - APRIL 14 25 LBS/ACRE RYE (GRAIN)
3. FROM SEPTEMBER 1 - MARCH 1, USE UNSCARIFIED SERICEA SEED.
SPECIFICATIONS:
1. GENERAL:
THE CONTRACTOR SHALL ESTABLISH A SMOOTH, HEALTHY, UNIFORM, CLOSE STAND OF GRASS FROM THE SPECIFIED SEED. PRIOR TO
REVEGETATION, THE CONTRACTOR SHALL ADEQUATELY TEST THE SOILS TO BE REVEGETATED TO ENSURE THE ADEQUACY OF THE
SPECIFIED REQUIREMENTS. ANY MODIFICATIONS TO THESE REQUIREMENTS DEEMED NECESSARY AFTER THE REVIEW OF SOIL TEST
RESULTS, SHALL BE AT THE CONTRACTOR'S SOLE EXPENSE. THE ENGINEER WILL PERFORM THE OBSERVATIONS TO DETERMINE WHEN
SUCCESSFUL REVEGETATION IS ACHIEVED.
2. SOIL PREPARATION:
A. LIMIT PREPARATION TO AREAS WHICH WILL BE PLANTED SOON AFTER PREPARATION.
B. LOOSEN SURFACE TO MINIMUM DEPTH OF FOUR (4) INCHES.
C. REMOVE STONES, STICKS, ROOTS, RUBBISH AND OTHER EXTRANEOUS MATTER OVER THREE (3) INCHES IN ANY DIMENSION.
D. SPREAD LIME UNIFORMLY OVER DESIGNATED AREAS AT THE RATE SPECIFIED IN THE SEEDING SCHEDULE.
E. AFTER APPLICATION OF LIME, PRIOR TO APPLYING FERTILIZER, LOOSEN AREAS TO BE SEEDED WITH DOUBLE DISC OR OTHER SUITABLE
DEVICE IF SOIL HAS BECOME HARD OR COMPACTED. CORRECT ANY SURFACE IRREGULARITIES IN ORDER TO PREVENT POCKET OR
LOW AREAS WHICH WILL ALLOW WATER TO STAND.
F. DISTRIBUTE FERTILIZER UNIFORMLY OVER AREAS TO BE SEEDED AT THE RATE SPECIFIED IN THE SEEDING SCHEDULE.
(1) USE SUITABLE DISTRIBUTOR.
(2) INCORPORATE FERTILIZER INTO SOIL TO DEPTH OF A LEAST TWO (2) INCHES.
(3) REMOVE STONES OR OTHER SUBSTANCES WHICH WILL INTERFERE WITH TURF DEVELOPMENT OR SUBSEQUENT MOWING.
G. GRADE SEEDED AREAS TO SMOOTH, EVEN SURFACE WITH LOOSE, UNIFORMLY FINE TEXTURE.
(1) ROLL AND RAKE, REMOVE RIDGES AND FILL DEPRESSIONS, AS REQUIRED TO MEET FINISH GRADES.
(2) FINE GRADE JUST PRIOR TO PLANTING.
3. SEEDING:
A. USE APPROVED MECHANICAL POWER DRIVEN DRILLS OR SEEDERS, MECHANICAL HAND SEEDERS, OR OTHER APPROVED EQUIPMENT.
B. DISTRIBUTE SEED EVENLY OVER ENTIRE AREA AT THE RATE SPECIFIED IN THE SEEDING SCHEDULE.
C. STOP WORK WHEN WORK EXTENDS BEYOND MOST FAVORABLE PLANTING SEASON FOR SPECIES DESIGNATED, OR WHEN SATISFACTORY
RESULTS CANNOT BE OBTAINED BECAUSE OF DROUGHT, HIGH WINDS, EXCESSIVE MOISTURE, OR OTHER FACTORS.
D. RESUME WORK ONLY WHEN FAVORABLE CONDITION DEVELOPS, OR AS DIRECTED BY THE ENGINEER.
E. LIGHTLY RAKE SEED INTO SOIL FOLLOWED BY LIGHT ROLLING OR CULTIPACKING.
F. IMMEDIATELY PROTECT SEEDED AREAS AGAINST EROSION BY MULCHING OR PLACING ROLLED EROSION CONTROL PRODUCTS, WHERE
APPLICABLE.
(1) SPREAD MULCH IN A CONTINUOUS BLANKET AT THE RATE SPECIFIED IN THE SEEDING SCHEDULE.
(2) IMMEDIATELY FOLLOWING SPREADING MULCH, SECURE WITH EVENLY DISTRIBUTED BINDER AT THE RATE SPECIFIED IN THE SEEDING
SCHEDULE.
(3) FOR SLOPES NOT STEEPER THAN 3H:1V AND AS AN OPTION TO USING BINDER TO SECURE MULCH, USE A MULCH ANCHORING
TOOL OPERATED ALONG THE CONTOUR OF THE SLOPE.
4. MAINTENANCE:
THE CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTAINING ALL SEEDED AREAS THROUGH THE END OF HIS WARRANTY PERIOD. THE
CONTRACTOR SHALL PROVIDE, AT HIS EXPENSE, PROTECTION OF ALL SEEDED AREAS AGAINST DAMAGE AT ALL TIMES UNTIL ACCEPTANCE
OF THE WORK. MAINTENANCE SHALL INCLUDE, BUT NOT BE LIMITED TO, THE FOLLOWING ITEMS:
A. REGRADE AND REVEGETATE ALL ERODED AREAS UNTIL ADEQUATELY STABILIZED BY GRASS.
B. REMULCH WITH NEW MULCH IN AREAS WHERE MULCH HAS BEEN DISTURBED BY WIND OR MAINTENANCE OPERATIONS SUFFICIENTLY TO
NULLIFY ITS PURPOSE. ANCHOR AS REQUIRED TO PREVENT DISPLACEMENT.
C. REPLANT BARE AREAS USING SAME MATERIALS SPECIFIED.
VEGATIVE STABILIZATION
DETAIL 1
NOT TO SCALE EC1
20'
NCDOT AGGREGATE
BASE COURSE
2%
3-��Z
1 8' 1'
a NONWOVEN GEOTEXTILE
8 OZ./SY OR ENGINEER
Lo NOTES: APPROVED EQUIVALENT
CN 1. AGGREGATE BASE COURSE SHALL MEET THE GRADING REQUIREMENTS IN NCDOT (SEE NOTE 3)
SECTION 520 AND BE OBTAINED FROM AN APPROVED NCDOT SOURCE.
2. AGGREGATE SHALL BE PLACED AND COMPACTED IN 8-INCH THICK (IN -PLACE)
LIFTS TO 100 PERCENT ITS STANDARD PROCTOR MAXIMUM DRY DENSITY.
3. GEOTEXTILE SHALL HAVE A MINIMUM GRAB TENSILE STRENGTH OF 180 LBS,
MINIMUM PUNCTURE RESISTANCE OF 75 LBS, TRAPEZOIDAL TEAR OF 75 LBS,
CD
o AND AOS OF LESS THAN 0.6 MM.
z
0
ACCESS ROAD AGGREGATE SURFACING
L DETAIL 4
NOT TO SCALE
N EC1U)i
_01
RECORD ISSUE
NOT FOR CONSTRUCTION
I © 2022 Smith Gardner, Inc.
A
FLOW _
(TYP.)
MAINTENANCE OF EROSION AND SEDIMENTATION FEATURES
INLET PROTECTION MAINTENANCE
1. INSPECT ROCK PIPE INLET PROTECTION AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT INCH
OR GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY. REMOVE SEDIMENT AND RESTORE THE
SEDIMENT STORAGE AREA TO ITS ORIGINAL DIMENSIONS WHEN THE SEDIMENT HAS ACCUMULATED
TO ONE-HALF THE DESIGN DEPTH OF THE TRAP. PLACE THE SEDIMENT THAT IS REMOVED IN THE
DESIGNATED DISPOSAL AREA AND REPLACE THE CONTAMINATED PART OF THE GRAVEL FACING.
2. CHECK THE STRUCTURE FOR DAMAGE. ANY RIPRAP DISPLACED FROM THE STONE HORSESHOE
MUST BE REPLACED IMMEDIATELY.
3. AFTER ALL THE SEDIMENT -PRODUCING AREAS HAVE BEEN PERMANENTLY STABILIZED, REMOVE THE
STRUCTURE AND ALL THE UNSTABLE SEDIMENT. SMOOTH THE AREA TO BLEND WITH THE
ADJOINING AREAS AND PROVIDE PERMANENT GROUND COVER (SURFACE STABILIZATION).
WASHED NO. 57 STONE N1' 2'
MAINTENANCE OF EROSION AND SEDIMENTATION FEATURES
CHANNELS. DIVERSION BERMS. SWALES. ETC.
PLAN
TYPE GT-S GEOTEXTILE
SECTION A -A
INLET PROTECTION
DETAIL r2�
NOT TO SCALE EC1
r
PIPE INVERT
1. INSPECT CHANNELS, DIVERSION BERMS, SWALES, ETC. AT REGULAR INTERVALS AS WELL AS AFTER MAJOR RAINS, AND MAKE REPAIRS PROMPTLY. CHECK
GRASS AND RECP LINED CHANNELS AFTER EVERY RAINFALL UNTIL THE ESTABLISHMENT OF A GOOD STAND OF VEGETATION.
2. GIVE SPECIAL ATTENTION TO THE OUTLET AND INLET SECTIONS AND OTHER POINTS WHERE CONCENTRATED FLOW ENTERS. CAREFULLY CHECK STABILITY AT
ROAD CROSSINGS AND LOOK FOR INDICATIONS OF PIPING, SCOUR HOLES, OR BANK FAILURES.
3. MAKE REPAIRS IMMEDIATELY AND REMOVE ALL SIGNIFICANT SEDIMENT ACCUMULATIONS TO MAINTAIN THE DESIGNED CARRYING CAPACITY.
4. MAINTAIN ALL VEGETATION IN (AS APPLICABLE) AND ADJACENT TO THE CHANNEL IN A HEALTHY, VIGOROUS CONDITION.
RECP
3
1
ACCESS ROAD
AGGREGATE SURFACING
nrowrTrD nnnrcc Dnnn
24 (;FL (;ULVLK I ( I YF'.)
PERIMETER DRAINAGE EC13CHANNEL
EXISTING GRADE (VARIES)
i uuTtI nr HIACITr
COMPACTED
EMBANKMENT OR
CUT INTO NATIVE
SOILS
CELL ACCESS RAMP
DETAIL r5
NOT TO SCALE EC1
RECP
RECP
3
CLASS I RIP -RAP
WASHED N0. 57 STONE
A
RIP RAP OUTLET PROTECTION SCHEDULE
PIPE
L (FT)
W (FT)
D50 (IN)
X (FT)
SB-1 OUTLET
15.0
16.5
9
1.5
SB-1 INLET
28.0
24.0
6
1.0
C-1 OUT
22.0
10.0
6
1.0
SECTION A -A
PLAN
MAINTENANCE OF EROSION AND SEDIMENTATION FEATURES
RIP RAP OUTLET PROTECTION
1. IN GENERAL, ONCE A RIPRAP INSTALLATION HAS BEEN PROPERLY DESIGNED AND
INSTALLED IT REQUIRES VERY LITTLE MAINTENANCE. RIPRAP SHOULD BE
INSPECTED PERIODICALLY FOR SCOUR OR DISLODGED STONES. CONTROL OF
WEED AND BRUSH GROWTH MAY BE NEEDED IN SOME LOCATIONS.
2'
(MIN.), DRAINAGE CHANNEL CORRIDOR
RIP RAP OUTLET PROTECTION
DETAIL r3
NOT TO SCALE EC1
VARIES
�.O' MIN.
VARIES
VARIES VARIES
/ /
3 /
1 / COMPACTED
/ -- EMBANKMENT OR
CUT INTO NATIVE
PERIMETER DRAINAGE C3 SOILS
CHANNEL
TYPICAL INTERIOR BERM
DETAIL s
NOT TO SCALE EC1
PERIMETER ACCESS ROAD
ACCESS ROAD 4
AGGREGATE SURFACING EC1
PERIMETER DRAINAGE
CHANNEL
NOTE:
1. COMPACTED EMBANKMENT FILL SOILS TO 95 PERCENT STANDARD PROCTOR
MAXIMUM DRY DENSITY AT f3% ITS OPTIMUM MOISTURE CONTENT.
2. COMPACT UPPER 1 FOOT OF PERIMETER ACCESS ROAD SUBGRADE TO 100%
OF ITS STANDARD PROCTOR MAXIMUM DRY DENSITY.
DRAINAGE CHANNEL CORRIDOR
VARIES
8.0' MIN.
VARIES
VARIES VARIES
COMPACTED
EMBANKMENT OR
1 CUT INTO NATIVE
1 SOILS
EXISTING GRADE (VARIES)
TYPICAL PERIMTER BERM CROSS SECTION
DETAIL 7
NOT TO SCALE EC1
LIMITS OF WASTE
EXISTING GRADE (VARIES)
LIMITS OF WASTE
DRIP RAP (D5o)
TYPE GT-S GEOTEXTILE
nn nni �J50)
NOTES:
1. D5o REFERS TO THE MINIMUM REQUIRED AVERAGE
STONE SIZE.
2. FOR MORE THAN ONE PIPE, EXTEND RIP RAP 1.0' MIN.
BEYOND OUTSIDE EDGES OF PIPES.
3. FOR APRONS IN CHANNELS, EXTEND RIP RAP TO TOP
OF CHANNEL.
4. RIP RAP PROTECTION FOR SB-1 INLET SHALL BE
PLACED IN THE DRAINAGE CHANNEL BEGINNING AT
THE OUTSIDE EDGE OF THE SB-1 BERM AND EXTEND
8' (MIN.) INTO THE FLOOR OF SB-1.
PREPARED BY:
NC LIC. NO. F-1370 IENGINEERINGI
SC COA NO. CO1488
MIM
SMITH
GARDNER
ENGINEERS
14 N. Boylan Avenue, Raleigh NC 27603 919.828.0577
1526 Richland St., Columbia SC 29201
SEAL
A CARO
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(W 358C2V64007440. Z
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EL 6R�•�/19/2022
SEAL
3
�1
REV.
DATE
DESCRIPTION
2
05/22
RESPONSE TO NCDEQ DEMLR
COMMENTS DATED 05/10/22
4
06/22
ISSUED FOR CONSTRUCTION
6
09/22
RECORD ISSUE
Electronic files are instruments of service provided by Smith
Gardner, Inc. for the convenience of the intended recipient(s), and
no warranty is either expressed or implied. Any reuse or
redistribution of this document in whole or part without the
written authorization of Smith Gardner, Inc., will be at the sole
risk of the recipient. If there is a discrepancy between the
electronic files and the signed and sealed hard copies, the hard
copies shall govern. Use of any electronic files generated or
provided by Smith Gardner, Inc., constitutes an acceptance of
these terms and conditions.
PROJECT TITLE
WILSO N COUNTY SOLID WASTE
WESTSIDE CRD LANDFILL
AREA 2- PHASE I
CONSTRUCTION
DRAWING TITLE:
EROSION AND
SEDIMENTATION DETAILS
(SHEET 1 OF 4)
DESIGNED:
PROJECT NO:
W.M.B.
WILSON 20-1
DRAWN: p
SCALE:
C.t.J.
AS SHOWN
APPROVE
DATE:
JULY 2020
FILENAME:
WILSON-DO044
SHEET NUMBER:
DRAWING NUMBER:
4
ECI

DocuSign Envelope ID: 341090CD-AC8D-4004-BCFC-OF26B9D22DF6
(F)
TOP OF BERM EL = (E) i
EMERGENCY SPILLWAY EL = (D)
3 3
1
5 BAFFLES 1
C PRINCIPAL SPILLWAY EL = (C)
REINFORCED CONCRETE RISER 39
STRUCTURE AND OUTLETS HEIGHT - (G
)
CLEANOUT EL = (B)
BASE EL = A
PAD FOR SKIMMER
(SEE NOTE 2) 1 3' (MIN) 1
1 1
DRAIN ±6 CMP (ALUMINIZED STEEL TYPE 2)
(SEE NOTE 2) SCH 80 PVC BARREL 0 = (H); SLOPE = (1); CUT-OFF TRENCH
INV. IN = (J) (COMPACTED CLAY)
INV. OUT = (K) 4' (MIN.)
LENGTH = (L)
NOTES:
1. CONSTRUCT FILTER DIAPHRAGM OF ASTM C-33 FINE AGGREGATE. THE ENGINEER SHALL VERIFY COMPATIBILITY OF FINE AGGREGATE AND MATERIAL TO BE
USED AS ADJACENT STRUCTURAL FILL PRIOR TO CONSTRUCTION. ALTERNATIVELY, USE TWO (2) (M) CMP (OR EQUAL) ANTI SEEPAGE COLLARS SPACED AT
8 FEET AND 32 FEET, RESPECTIVELY, FROM THE DOWNSTREAM SIDE OF THE REINFORCED CONCRETE RISER.
2. DRAIN TO CONSIST OF FAIRCLOTH SKIMMER ((N)SIZE AND (0) 0 ORFICE) AND ADEQUATELY SIZED OUTLET PIPE. PROVIDE ROPE ATTACHMENT FOR
MAINTENANCE AND A 6'x6'xl' THICK RIP RAP PAD AT BOTTOM OF BASIN FOR SKIMMER TO REST ON WHEN BASIN IS DRY. SELECTED SKIMMER SHALL
PROVIDE A 3 DAY DRAWDOWN BASED ON THE APPROXIMATE STORAGE VOLUME OF BASIN (P).
3. IF NECESSARY, CONTRACTOR SHALL SUBMIT A PLAN FOR TEMPORARY DEWATERING OF BASIN TO INSTALL RISER, BARREL, AND SKIMMER.
4. FOLLOWING THE MANUFACTURER'S DIRECTIONS, ATTACH A ROPE TO THE SKIMMER AND STAKE TO THE SIDE OF THE BASIN.
5. STABILIZE ALL BASIN SIDE SLOPES DISTURBED BY CONSTRUCTION BY SUITABLE MEANS IMMEDIATELY AFTER COMPLETING EACH BASIN.
EXISTING TERRAIN
FLOW
STRUCTURAL FILL
(CONSTRUCT WITH COHESIVE SOILS)
FILTER DIAPHRAGM (WIDTH = 11')
(SEE NOTE 1)
DRAIN SAND INTO
\� RIP -RAP
18"
24"
RIP RAP OUTLET 3
PROTECTION
EXTENDED DRY DETENTION BASIN SCHEDULE
BASIN
A
(FEET)
B
(FEET)
C
(FEET)
D
(FEET)
E
(FEET)
F
(FEET)
G
(FEET)
H
(INCHES)
I
(%)
J
(FEET)
K
(FEET)
L
(FEET)
M
N
(INCHES)
0
(INCHES)
P
(CF)
SB-1
92.0
94.2
96.0
97.0
98.0
10.0
5.0
18
3.3
92.0
90.0
60
4' X 4'
8
6.0
171,000
SILT BAG
STREAM BANK
FLOW
DISCHARGE HOSE FROM PUMP
(UTILIZE A FLOATING INTAKE) 15'-20'
FILTER GEOTEXTILE�_8" OF NO. 5 OR NO. 57 STONE
NOTES:
1. SILT BAGS MUST BE LOCATED GREATER THAN 50 FEET FROM THE TOP OF A STREAM BANK AND WATER MUST BE DISCHARGED IN A DIFFUSE MANNER. PROVIDE
STABILIZED OUTLET TO STREAM BANK.
2. THE SIZE AND NUMBER OF BAGS SHALL BE BASED ON THE DEWATERING PUMP MANUFACTURERS RECOMMENDATIONS. EACH BAG SHALL BE AT LEAST 10' X 15"
SHALL BE MADE FROM A FILTER FABRIC MEETING NCDOT REQUIREMENTS, AND HAVE A SEWN -IN SLEEVE FOR RECEIVING PUMP DISCHARGE.
3. TIGHTLY SECURE THE PUMP DISCHARGE TO THE SILT BAG SLEEVE WITH A STRAP OR SIMILAR DEVICE TO PREVENT WATER/SEDIMENT FROM LEAKING WITHOUT
TREATMENT.
4. CONTROL PUMP RATE TO PREVENT EXCESS PRESSURE WITHIN THE SILT BAG IN ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS. AS THE BAG FILLS
WITH SEDIMENT, REDUCE THE PUMP RATE.
5. REPLACE THE SILT BAG WHEN 3/4 FULL OF SEDIMENT.
6. INSPECT BAG AND PIPING FOR DAMAGE AND BLOCKAGE PRIOR TO AND DURING USE. MONITOR CONTINUOUSLY DURING USE.
SILT BAG FOR DEWATERING ACTIVITIES
DETAIL 3
NOT TO SCALE EC2
NOTES:
1. THE TARP USED TO PROTECT THE WEIR SHALL BE THE WIDTH SPECIFIED. THE LENGTH
OF THE TARP SHALL BE ACCORDING TO AVAILABLE SUPPLY. IF MULTIPLE TARPS ARE
TO BE USED, THEN TARPS SHALL BE OVERLAPPED AT LEAST 12". THE UPSTREAM 12"
TARP SHALL OVERLAP THE DOWNSTREAM TARP. THE TARP SHALL BE 50 MIL. HEAVY
DUTY SILVER TARPAULINS OR EQUIVALENT FOR U.V. RESISTANCE.
2. PROVIDE A MINIMUM OF THREE POROUS BAFFLES TO EVENLY DISTRIBUTE FLOW
ACROSS THE BASIN, REDUCING TURBULENCE.
3. BAFFLE MATERIAL MUST BE SECURED AT THE BOTTOM AND SIDES USING STAPLES OR
BY TRENCHING AS FOR A SILT FENCE.
4. SKIMMER TO CONSIST OF FAIRCLOTH SKIMMER (2.7"0 ORIFICE) AND ADEQUATELY SIZED
OUTLET PIPE (BASIN VOLUME = 24,030 CF AT SPILLWAY). PROVIDE 6'x6'xl' THICK RIP
RAP PAD AT BOTTOM OF BASIN FOR SKIMMER TO REST ON WHEN BASIN IS DRY.
INFLOW STRI
OR Cl
MAINTENANCE OF EROSION AND SEDIMENTATION FEATURES
SEDIMENT BASIN
1.
INSPECT SEDIMENT BASINS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT
2
D-
(ONE-HALF INCH OR GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY.
CD
REMOVE SEDIMENT AND RESTORE THE BASIN TO ITS ORIGINAL DIMENSIONS WHEN
N
SEDIMENT ACCUMULATES TO ONE-HALF THE HEIGHT OF THE FIRST BAFFLE.
CD
PULL THE SKIMMER TO ONE SIDE SO THAT THE SEDIMENT UNDERNEATH IT CAN
BE EXCAVATED. EXCAVATE THE SEDIMENT FROM THE ENTIRE BASIN, NOT JUST
AROUND THE SKIMMER OR FIRST CELL. MAKE SURE VEGETATION GROWING IN
3
THE BOTTOM OF THE BASIN DOES NOT HOLD DOWN THE SKIMMER.
2.
REPAIR THE BAFFLES IF THEY ARE DAMAGED. RE -ANCHOR THE BAFFLES IF
o
WATER IS FLOWING UNDERNEATH OR AROUND THEM.
3.
IF THE SKIMMER IS CLOGGED WITH TRASH AND THERE IS WATER IN THE BASIN,
°
USUALLY PULLING ON THE ROPE WILL MAKE THE SKIMMER BOB UP AND DOWN
AND DISLODGE THE DEBRIS AND RESTORE FLOW. IF THIS DOES NOT WORK,
a)
PULL THE SKIMMER TO THE SIDE OF THE BASIN AND REMOVE THE DEBRIS.
ALSO CHECK THE ORIFICE INSIDE THE SKIMMER TO SEE IF IT IS CLOGGED; IF SO
a)
REMOVE DEBRIS.
N
4.
IF THE SKIMMER ARM OR BARREL PIPE IS CLOGGED, THE ORIFICE CAN BE
o
REMOVED AND THE OBSTRUCTION CLEARED WITH A PLUMBER'S SNAKE OR BY
FLUSHING WITH WATER. BE SURE TO REPLACE THE ORIFICE BEFORE
o
REPOSITIONING THE SKIMMER.
N
0
5.
CHECK THE EMBANKMENT, SPILLWAYS, AND OUTLET FOR EROSION DAMAGE, AND
INSPECT THE EMBANKMENT FOR PIPING AND SETTLEMENT. MAKE ALL
w
NECESSARY REPAIRS IMMEDIATELY. REMOVE ALL TRASH AND OTHER DEBRIS
FROM THE SKIMMER AND POOL AREAS.
6.
FREEZING WEATHER CAN RESULT IN ICE FORMING IN THE BASIN. SOME SPECIAL
co
PRECAUTIONS SHOULD BE TAKEN IN THE WINTER TO PREVENT THE SKIMMER
FROM PLUGGING WITH ICE.
0
2022 Smith Gardner, Inc.
DRY DETENTION BASIN
DETAIL
NOT TO SCALE EC2
20" MIN.
TARP PROTECTION 1 1
2 2
(SEE NOTE 1)
1 2 '_
EMERGENCY DITCH AND BURY
SPILLWAY TARP EDGE (MIN. 12")
SECTION THRU WEIR
UrIl I LLJ rLhiv VILVV
8'
1' MIN FREEBOARD
INFLOW STRUCTURE BAFFLES SKIMMER
OR CHANNEL (SEE NOTE 2) ELEV. 103.0'
DEWATERING ZONE __] 1
2.5
ELEV. 98.0' 1 i
INLET SHALL BE PROTECTED
(AS NEEDED) FROM EROSION
WITH RIPRAP, TARP, MATTING
OR EQUIVALENT.
SKIMMER BASIN
DETAIL r4
NOT TO SCALE EC2
PAD FOR SKIMMER
(SEE NOTE 4)
CROSS SECTION
TOP OF BERM (EL. 105.0)
EMERGENCY SPILLWAY
ELEVATION
8"0 CMP (ALUMINIZED STEEL TYPE 2)
OUTLET PIPE
3 RIP RAP OUTLET
,EC1 PROTECTION
SKIMMER BASIN SCHEDULE
SKIMMER SIZE
3"
ORIFICE SIZE
2.7"
DEWATERING RATE
3 DAYS
RISER SCHEDULE
BASIN
C
(FEET)
H
(INCHES)
J
(FEET)
P
(FEET)
Q
(FEET)
R
(FEET)
SB-1
95.0
18
92.0
91.7
92.1
96.5
NOTES:
1. PROVIDE WATERTIGHT JOINTS ON ALL PIPING.
2. PRECAST CONCRETE BOXES SHALL CONFORM TO THE FOLLOWING SEE NOTE 1
REQUIREMENTS:
A. CONCRETE: COMPRESSIVE STRENGTH 4000 PSI
B. REINFORCING: ASTM A-615, GRADE 60
C. MEETS H-20 LOADING.
3. PROVIDE STEPS FOR DROP INLETS WITH H>4.5'. STEPS SHALL
HAVE A 16" SPACING THE FULL HEIGHT OF THE DROP INLET.
START FIRST STEP 6" BELOW TOP.
4. BASE MUST BE PHYSICALLY ATTACHED OR INTEGRATED INTO THE DESIGN OF THE RISER STRUCTURE. (SEE NOTE STEPS
5. CONTRACTOR SHALL VERIFY LOCATION AND INVERT ELEVATION
OF EXISTING OUTLET PIPE.
RECORD ISSUE
NOT FOR CONSTRUCTION
24"0 CAST
FRAME & C
4'w X 1.0'H ORIFICE (4
ORIFICE FOR SKIMb
(SIZE AS REQUIRED FOR SKIMMI
CON
7'x7' R
A�
PLAN
A�
VVIVII r%VIL"/ VI\VJIIL"/ JIVI\L ULUUII\V
SECTION A -A
EXTENDED DRY BASIN RISER
DETAIL 2
NOT TO SCALE EC2
'
ZONE
35% OF
BASIN SURFACE
AREA
1ST CELL
25% OF
BASIN
SURFACE
AREA
2ND CELL
25% OF
BASIN
SURFACE
AREA
I
OUTLE T 2
15% OF
BASIN SURFACE
AREA
STAKE TO
SUPPORT WIRE
PLAN VIEW
SUPPORT ROPE TO WIRE
TO PREVENT SAGGING
COIR MESH OR SIMILAR, STAPLED OR
TRENCHED INTO BOTTOM OR SIDE
ELEVATION
BAFFLES
DETAIL r5
NOT TO SCALE EC2
I�
0 0
I I
0.9
PREPARED FOR:
PREPARED BY:
NC LIC. NO, F-1370 (ENGINEERING)
SC COA NO. CO1488
SMITH
GARDNER
ENGINEERS
PRECAST CONCRETE TOP 14 N. Boylan Avenue, Raleigh NC 27603 919.828.0577
1526 Richland St., Columbia SC 29201
SEAL
.�` CAR '''•.
DocuSignby: 00
Q ^
PRECAST CONCRETE BOX (� � S
G �'�><� .
(SEE NOTE 2) 358C21 E64a0744
'•. �i FNGINEE��G'� �.�:
ti
1881111111
SEAL
(H) 0 CMP
(ALUMINIZED STEEL TYPE 2)
(SEE NOTE 1)
REV. DATE DESCRIPTION
2 05/22 RESPONSE TO NCDEQ DEMLR
COMMENTS DATED 05/10/22
3 06/22 RESPONSE TO NCDEQ DEMLR
COMMENTS DATED 06/03/22
4 06/22 ISSUED FOR CONSTRUCTION
6 09/22 RECORD ISSUE
POST
FENCE AND FABRIC
BURIED IN TRENCH
FLOW
6"x 6" TRENCH,
BACKFILLED
AND COMPACTED
CV
SECTION A -A
SUPPORT POST 24" INTO
BASIN SUBGRADE AND SLOPES
-Imw-A
' - A
NOTES:
1. BAFFLE MATERIAL SHOULD BE SECURED AT THE BOTTOM AND SIDES USING
STAPLES OR BY TRENCHING AS FOR SILT FENCE.
2. MOST OF THE SEDIMENT WILL ACCUMULATE IN THE FIRST BAY, WHICH SHOULD
BE READILY ACCESSIBLE FOR MAINTENANCE.
3. PROVIDE 3 BAFFLES (USE TWO IF LESS THAN 20 FEET IN LENGTH).
4. BAFFLE SHALL BE 700 g/mz COIR EROSION BLANKET.
5. TOPS OF BAFFLES SHOULD BE 2 INCHES LOWER THAN THE TOP OF THE BERMS.
6. INSPECT BAFFLES FOR REPAIR ONCE A WEEK AND AFTER EACH RAINFALL.
Electronic files are instruments of service provided by Smith
Gardner, Inc. for the convenience of the intended recipient(s), and
no warranty is either expressed or implied. Any reuse or
redistribution of this document in whole or part without the
written authorization of Smith Gardner, Inc., will be at the sole
risk of the recipient. If there is a discrepancy between the
electronic files and the signed and sealed hard copies, the hard
copies shall govern. Use of any electronic files generated or
provided by Smith Gardner, Inc., constitutes an acceptance of
these terms and conditions.
PROJECT TITLE
WILSO N COUNTY SOLID WASTE
WESTSIDE CRD LANDFILL
AREA 2- PHASE
CONSTRUCTION
DRAWING TITLE:
EROSION AND
SEDIMENTATION DETAILS
(SHEET 2OF4)
DESIGNED:
PROJECT NO:
W.M.B.
WILSON 20-1
DRAWN:
SCALE:
TsJ.
AS SHOWN
APPROVED
DATE:
JULY 2020
FILENAME:
WILSON-DO044
SHEET NUMBER:
DRAWING NUMBER:
5
ECI

DocuSign Envelope ID: 341090CD-AC8D-4004-BCFC-OF26B9D22DF6
PREPARED FOR:
d
O
v
N
N
O
N
C�8
MAINTENANCE OF EROSION AND SEDIMENTATION FEATURES
CHANNELS, DIVERSION BERMS, SWALES, ETC.
1. INSPECT CHANNELS, DIVERSION BERMS, SWALES, ETC. AT REGULAR INTERVALS AS WELL AS
AFTER MAJOR RAINS, AND MAKE REPAIRS PROMPTLY. CHECK GRASS AND RECP LINED CHANNELS
AFTER EVERY RAINFALL UNTIL THE ESTABLISHMENT OF A GOOD STAND OF VEGETATION.
2. GIVE SPECIAL ATTENTION TO THE OUTLET AND INLET SECTIONS AND OTHER POINTS WHERE
CONCENTRATED FLOW ENTERS. CAREFULLY CHECK STABILITY AT ROAD CROSSINGS AND LOOK
FOR INDICATIONS OF PIPING, SCOUR HOLES, OR BANK FAILURES.
3. MAKE REPAIRS IMMEDIATELY AND REMOVE ALL SIGNIFICANT SEDIMENT ACCUMULATIONS TO
MAINTAIN THE DESIGNED CARRYING CAPACITY.
4. MAINTAIN ALL VEGETATION IN (AS APPLICABLE) AND ADJACENT TO THE CHANNEL IN A HEALTHY,
VIGOROUS CONDITION.
6" MIN. LAYER OF 2-3"
WASHED STONE
CONSTRUCTION ENTRANCE/EXIT
DETAIL 3
NOT TO SCALE EC3
1/2" MESH
HARDWARE CLOTH
rillh r` - dill
�II� IIII
IIII IIII
3' MAX.
ELEVATION
GRADE l
WASHED
STONE FILTER FENCE
DETAIL r4
NOT TO SCALE EC3
RIP RAP LINED CHANNELS
A
LI\VJIVI\ VVI\II\VL ULI1I\f\LI 1LVU)
(SEE NOTE 1)
GRASS LINED CHANNELS
DRAINAGE CHANNEL
DETAIL rl
NOT TO SCALE EC3
MAINTENANCE OF EROSION AND SEDIMENTATION FEATURES
CONSTRUCTION ENTRANCE MAINTENANCE
1. MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT MUD OR SEDIMENT
FROM LEAVING THE CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC TOP
DRESSING WITH 2—INCH STONE. AFTER EACH RAINFALL, INSPECT ANY
STRUCTURE USED TO TRAP SEDIMENT AND CLEAN IT OUT AS
NECESSARY. IMMEDIATELY REMOVE ALL OBJECTIONABLE MATERIALS SPILLED,
WASHED, OR TRACKED ONTO PUBLIC ROADWAYS.
OST
-IED STONE
V
MAINTENANCE OF EROSION AND SEDIMENTATION FEATURES
STONE FILTER FENCE
SECTION A -A
1.
INSPECT STONE FILTER FENCE AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED
REPAIRS IMMEDIATELY.
2.
SHOULD THE MESH HARDWARE CLOTH, POST, OR STONE OF A STONE FILTER FENCE COLLAPSE, TEAR, MOVE,
REPLACE IT PROMPTLY.
3.
REMOVE SEDIMENT DEPOSITS WHEN HALF OF THE STONE OUTLET IS COVERED TO ENSURE DEWATERING DURING
THE NEXT RAIN EVENT. TAKE CARE TO AVOID UNDERMINING THE STONE FILTER FENCE DURING CLEANOUT.
4.
REPLACE STONE AS NEEDED TO ENSURE DEWATERING. THE STONE HEIGHT MUST BE AT LEAST 12 INCHES
HIGH AND THERE MUST BE AT LEAST 12 INCHES OF SEPARATION BETWEEN THE TOP OF THE MESH HARDWARE
CLOTH AND THE TOP OF THE STONE.
5.
REMOVE ALL STONE FILTER FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO
GRADE AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED.
WOVEN WIRE FENCE (MIN. 14 GAGE
WITH 6» MAX MESH SPACING) TO
SUPPORT FILTER FABRIC
r
A
8' MAX.
GRADE LINE
FLOW
5' (MIN.) STEEL FENCE POST
("T" OR "U" TYPE)
FILTER FABRIC ATTACHED TO WIRE
FENCE WITH PLASTIC OR WIRE TIES
MAINTENANCE OF EROSION AND SEDIMENTATION FEATURES
SILT FENCE
I I 4" MIN. N
1. INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL.
Z MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
2. SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE, OR
00 BECOME INEFFECTIVE, REPLACE IT PROMPTLY.
COMPACTED SOIL 8" (MIN.) 3. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE
EMBEDMENT OF FILTER FABRIC VOLUME FOR THE NEXT RAIN AND TO REDUCE PRESSURE ON THE FENCE. TAKE
CARE TO AVOID UNDERMINING THE FENCE DURING CLEANOUT.
ELEVATION SECTION A -A 4. REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING
THE AREA TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA
HAS BEEN PROPERLY STABILIZED.
NOTE:
1. PLACE 10' MIN. LENGTH OF STONE FILTER FENCE AT
LOW POINTS ALONG SILT FENCE AND WHERE DIRECTED
BY THE ENGINEER TO RELEASE WATER. SEE DETAILe4
C3
SILT FENCE
DETAIL 2
NOT TO SCALE EC3
RECORD ISSUE
NOT FOR CONSTRUCTION
C1
PREPARED BY:
NC LIC. N0. F-1370 (ENGINEERING)
SC COA NO. CO1488
SM ITH
GARDNER
ENGINEERS
14 N. Boylan Avenue, Raleigh NC 27603 919.828.0577
1526 Richland St., Columbia SC 29201
SEAL
Docaignedb 'O Ny< 0
SEAL c
R N4A
358CS1 F-64007440
�'•. �i FNGINEE��G'� �.�.
ti
18un1WR���9/19/2022
SEAL
REV. DATE DESCRIPTION
2 05/22 RESPONSE TO NCDEQ DEMLR
COMMENTS DATED 05/10/22
4 06/22 ISSUED FOR CONSTRUCTION
6 09/22 RECORD ISSUE
Electronic files are instruments of service provided by Smith
Gardner, Inc. for the convenience of the intended recipient(s), and
no warranty is either expressed or implied. Any reuse or
redistribution of this document in whole or part without the
written authorization of Smith Gardner, Inc., will be at the sole
risk of the recipient. If there is a discrepancy between the
electronic files and the signed and sealed hard copies, the hard
copies shall govern. Use of any electronic files generated or
provided by Smith Gardner, Inc., constitutes an acceptance of
these terms and conditions.
PROJECT TITLE:
WILSO N COUNTY SOLID WASTE
WESTSIDE CRD LANDFILL
AREA 2- PHASE
CONSTRUCTION
DRAWING TITLE:
EROSION AND
SEDIMENTATION DETAILS
(SHEET 3OF4)
DESIGNED:
PROJECT NO:
W.M.B.
WILSON 20-1
DRAWN:
SCALE:
IFSJ.
AS SHOWN
APPROVED
1Q.,
DATE:
�/
JULY 2020
FILENAME:
WILSON-DO044
SHEET NUMBER:
DRAWING NUMBER:
6
EC3
© 2022 Smith Gardner, Inc.

DocuSign Envelope ID: 341090CD-AC8D-4004-BCFC-OF26B9D22DF6
D_
0
Lo
N
N
O
N
C�8
COMPACTED BACk
A
/ \ ROLLED EROSION CONTROL PRODUCT (RECP)
\ C4 FOR ANCHOR LAYOUT
C
/ RECP
A»
A. LONGITUDINAL ANCHOR TRENCH
U
D. INTERMITTENT CHECK SLOT
TYPICAL CHANNEL CROSS SECTION
30' MAX
— �o
TYPICAL CHANNEL PROFILE
3"
RECP
B. OVERLAP AT ADJACENT EDGES
12"
ri AIM
E. OVERLAP AT ROLL ENDS
(TYP.)
RECP
\NCHOR (TYP.)
NOTES:
1. PLACE ANCHORS AT ANCHOR TRENCHES, OVERLAPS, AND CHECK SLOTS ON 1 FOOT CENTERS.
IF APPLICABLE, STAGGER ANCHOR SPACING BETWEEN MULTIPLE ROWS OF ANCHORS.
INSTALLATION OF ROLLED EROSION CONTROL PRODUCTS (CHANNELS)
DETAIL rl
NOT TO SCALE EC4
12
nn1 In 1 ^T n n 1 nVrn 1
C. UPSTREAM TERMINAL ANCHOR TRENCH
inn
F. DOWNSTREAM TERMINAL ANCHOR TRENCH
6'
1 ANCHOR YD2
A
/ � B
1_
I 1
TYPICAL SLOPE PROFILE \
RECP
eWIun❑ TYP.)
L
1.5 ANCHORS 2 ANCHORS/YD2
ANCHOR LAYOUT
DETAIL 3
NOT TO SCALE EC4
1�
TYPICAL SLOPE PLAN VIEW
RECP
--,Flow / 12"
FOR ANCHOR LAYOUT
RECP
PREPARED FOR:
PREPARED BY:
NC LIC. NO, F-1370 (ENGINEERING)
SC COA NO. CO1488
SMITH MIM
GARDNER
ENGINEERS
14 N. Boylan Avenue, Raleigh NC 27603 919.828.0577
1526 Richland St., Columbia SC 29201
SEAL ,,,�����unui����
.�` CAR '''•.
A.
DocuSigneczy: SEAL
w, l�lI' j°jVtl 6
358C21 E6400%40
•. �i NGIW G
,•'•*.,110 yA EL 3 `j1912022
18811111191
SEAL
REV. DATE DESCRIPTION
4 06/22 ISSUED FOR CONSTRUCTION
HOR (TYP.) 6 09/22 RECORD ISSUE
A. UPSLOPE TERMINAL ANCHOR TRENCH
RECP
Flow
B. OVERLAP AT ROLL ENDS
C. OVERLAP AT ADJACENT EDGES D. DOWNSLOPE TERMINAL ANCHOR TRENCH
NOTE:
1. PLACE ANCHORS AT ANCHOR TRENCHES, OVERLAPS, AND CHECK SLOTS ON 1 FOOT CENTERS.
IF APPLICABLE, STAGGER ANCHOR SPACING BETWEEN MULTIPLE ROWS OF ANCHORS.
2.5 ANCHORS/YD 2
INSTALLATION OF ROLLED EROSION CONTROL PRODUCTS (SLOPES)
DETAIL 2
NOT TO SCALE EC4
RECORD ISSUE
NOT FOR CONSTRUCTION
Electronic files are instruments of service provided by Smith
Gardner, Inc. for the convenience of the intended recipient(s), and
no warranty is either expressed or implied. Any reuse or
redistribution of this document in whole or part without the
written authorization of Smith Gardner, Inc., will be at the sole
risk of the recipient. If there is a discrepancy between the
electronic files and the signed and sealed hard copies, the hard
copies shall govern. Use of any electronic files generated or
provided by Smith Gardner, Inc., constitutes an acceptance of
these terms and conditions.
PROJECT TITLE:
WILSO N COUNTY SOLID WASTE
WESTSIDE CRD LANDFILL
AREA 2- PHASE
CONSTRUCTION
DRAWING TITLE:
EROSION AND
SEDIMENTATION DETAILS
(SHEET4 ON
I DESIGNED:
N ur?
DRAWN:
. T T.
AM
APPROVED:
FILENAME:
SHEET NUMBER:
PROJECT NO:
WILSON 20-1
SCALE:
AS SHOWN
DATE:
JULY 2020
WILSON-D0044
DRAWING NUMBER:
E C 4
© 2022 Smith Gardner, Inc.