SW4170601_APPROVED PLANS_20170608

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
HISTORICAL FILE
❑ .COMPLIANCE EVALUATION INSPECTION
DOC DATE
YYYYMMDD
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STORE #18435
VICINITY MAP (NTS)
SURVEY:
BLUE RIDGE GEOMATICS, PA
126 EXECUTIVE DRIVE - SUITE 220
WILKESBORO, NC 28697
LICENSE: C-3576
CITY/TOWN: BELEWS CREEK, NC
ENGINEER:
BREC, PA
126 EXECUTIVE DRIVE - SUITE 220
WILKESBORO, NC 28697
LICENSE: C-3448
NORTH CAROLINA COUNTY MAP
(FORSYTH COUNTY)
SHEET INDEX
C000
COVER SHEET
C001
NOTES
C002
EXISTING CONDITIONS
C100
SITE PLAN
C200
GRADING PLAN
C201
PRE -CONSTRUCTION DA
C202
POST -CONSTRUCTION DA
C300
PHASE 1 ESC PLAN
C301
PHASE 2 ESC PLAN
C302
FINAL ESC PLAN
C400
UTILITY PLAN
G100
LANDSCAPE PLAN
C900
DETAILS
C901
DETAILS
C902
DETAILS
C903
DETAILS
C904
DETAILS
SITE COORDINATES: LATITUDE = 36.242496' N LONGITUDE =-80.077818° W
© COPYRIGHT 2017 BY BREC, P.A., ALL RIGHTS RESERVED. THIS PLAN MAY NOT BE RE -USED, SOLD, LOANED, OR GIVEN TO OTHERS. REPRODUCTION OR PHOTOCOPYING OF THIS PLAN WITHOUT THE WRITTEN CONSENT OF BREC, P.A. IS PROHIBITED AND IS A VIOLATION OF FEDERAL COPYRIGHT LAWS, PUNISHABLE BY FINES UP TO $100,000 PER OFFENSE.
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NPDES CONSTRUCTION GENERAL PERMIT - NCG 010000
ENTIRE PERMIT CAN BE FOUND AT: http://portal.ncdenr.org/c/document_ library/get_file?uuid=d15e7ee8-cb50-443f-9dcf-049b001337ac&groupld=38364
SECTION II.B. - STORM WATER POLLUTION PREVENTION REQUIREMENTS IN THE NC CONSTRUCTION GENERAL PERMIT
IN ADDITION TO THE STORMWATER POLLUTION PREVENTION CONTROLS FOUND IN THE E&SC PLAN, THIS CONSTRUCTION GENERAL PERMIT CONTAINS
ADDITIONAL CONDITIONS THAT MUST BE MET IN ORDER TO COMPLY WITH THE NPDES PROGRAM REQUIREMENTS. THEY ARE AS FOLLOWS:
1. CONSTRUCTION SITE POLLUTANTS
PERMITTEE MUST MANAGE ACTIVITIES ON THE SITE SUCH THAT WATER QUALITY STANDARDS ARE NOT VIOLATED FROM SITE ACTIVITIES OR ALLOWED
DISCHARGES. IN ADDITION TO STREAM POLLUTION FROM SEDIMENT DISCHARGE, OTHER ACTIVITIES ON CONSTRUCTION AND DEVELOPMENT SITES CAN
RESULT IN POLLUTANTS REACHING THE STATE'S WATERS. EPA HAS PREPARED GUIDANCE DOCUMENTS THAT PROVIDE BEST MANAGEMENT PRACTICES
THAT ADDRESS MANY ACTIVITIES.
SEE HTTP:HCILLUB.EPA.GOV/NPDES/STONNWATER/MENUOFIMMS/INDEX.CFM?ACTJOO=MJLL LDEASURE&MIN MEASURE ID=4
THE FOLLOWING ACTIVITIES, AND OTHERS ON A SITE -SPECIFIC BASIS, REQUIRE OVERSIGHT THROUGHOUT THE CONSTRUCTION AND DEVELOPMENT
PROCESS TO ASSURE THAT ALL WATER QUALITY STANDARDS ARE PROTECTED:
a. EQUIPMENT OPERATION AND MAINTENANCE - EQUIPMENT UTILIZED DURING THE CONSTRUCTION ACTIVITY ON A SITE MUST BE OPERATED AND
MAINTAINED IN SUCH A MANNER AS TO PREVENT THE POTENTIAL OR ACTUAL POLLUTION OF THE SURFACE OR GROUND WATERS OFTHE STATE.
FUELS, LUBRICANTS, COOLANTS, AND HYDRAULIC FLUIDS, OR ANY OTHER PETROLEUM PRODUCTS, SHALL NOT BE DISCHARGED ONTO THE
GROUND OR INTO SURFACE WATERS. SPENT FLUIDS SHALL BE CLEANED UP AND DISPOSED OF IN A MANNER SO AS NOT TO ENTER THE
WATERS, SURFACE OR GROUND, OFTHE STATE AND IN ACCORDANCE WITH APPLICABLE STATE AND FEDERAL REGULATIONS.
b. MATERIAL HANDLING - HERBICIDE, PESTICIDE, AND FERTILIZER USAGE DURING THE CONSTRUCTION ACTIVITY SHALL BE CONSISTENT WITH THE
FEDERAL INSECTICIDE, FUNGICIDE, AND RODENTICIDE ACT AND SHALL BE IN ACCORDANCE WITH LABEL RESTRICTIONS.
C. BUILDING MATERIAL WASTE HANDLING
1) ALL WASTES COMPOSED OF BUILDING MATERIALS SHALL BE DISPOSED OF IN ACCORDANCE WITH NORTH CAROLINA GENERAL STATUTES,
CHAPTER 130A, ARTICLE 9 - SOLID WASTE MANAGEMENT, AND RULES GOVERNING THE DISPOSAL OF SOLID WASTE (NORTH CAROLINA
ADMINISTRATIVE CODE SECTION 15A NCAC 13B).
11) LOCATE AREAS DEDICATED FOR MANAGEMENT OF LAND CLEARING AND DEMOLITION DEBRIS, CONSTRUCTION AND DOMESTIC WASTE,
AND HAZARDOUS OR TOXIC WASTE. THIS LOCATION SHALL BE AT LEAST 50 FEET AWAY FROM STORM DRAIN INLETS AND SURFACE WATERS
UNLESS IT CAN BE SHOWN THAT NO OTHER ALTERNATIVES ARE REASONABLY AVAILABLE.
III) DUMPING OF PAINT AND OTHER LIQUID BUILDING MATERIAL WASTES IN STORM DRAINS IS PROHIBITED.
IV) LITTER AND SANITARY WASTE - THE PERMITTEE SHALL CONTROL THE MANAGEMENT AND DISPOSAL OF LITTER AND SANITARY WASTE
FROM THE SITE.
d. LOCATION OF STOCK PILES - LOCATE EARTHEN -MATERIAL STOCK PILE AREAS AT LEAST 50 FEET AWAY FROM STORM DRAIN INLETS AND
SURFACE WATERS UNLESS IT CAN BE SHOWN THAT NO OTHER ALTERNATIVES ARE REASONABLY AVAILABLE.
e. HANDLING OF CONCRETE
1) CONCRETE MATERIALS ONSITE, INCLUDING EXCESS CONCRETE, MUST BE CONTROLLED AND MANAGED TO AVOID CONTACT WITH SURFACE
WATERS, WETLANDS OR BUFFERS. NO CONCRETE OR CEMENT SLURRY SHALL BE DISCHARGED FROM THE SITE. (NOTE THAT DISCHARGES
FROM ONSITE CONCRETE PLANTS REQUIRE COVERAGE UNDER A SEPARATE NPDES PERMIT - NCG 140000.)
11) ANY HARDENED CONCRETE RESIDUE WILL BE DISPOSED OF, OR RECYCLED ON SITE, IN ACCORDANCE WITH LOCAL AND STATE SOLID
WASTE REGULATIONS.
2. GROUND STABILIZATION
a. SOIL STABILIZATION SHALL BE ACHIEVED ON ANY AREA OF A SITE WHERE LAND -DISTURBING ACTIVITIES HAVE TEMPORARILY OR PERMANENTLY
CEASED ACCORDING TO THE FOLLOWING SCHEDULE:
1) ALL PERIMETER DIKES, SWALES, DITCHES, PERIMETER SLOPES AND AU SLOPES STEEPER THAN 3 HORIZONTAL TO 1 VERTICAL (3: 1) SHALL
BE PROVIDED TEMPORARY OR PERMANENT STABILIZATION WITH GROUND COVER AS SOON AS PRACTICABLE BUT IN ANY EVENT WITHIN 7
CALENDAR DAYS FROM THE LAST LAND -DISTURBING ACTIVITY.
11) 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 DAYS FROM THE LAST LAND -DISTURBING ACTIVITY.
b. CONDITIONS - IN MEETING THE STABILIZATION REQUIREMENTS ABOVE, THE FOLLOWING CONDITIONS OR EXEMPTIONS SHALL APPLY:
1) EXTENSIONS OF TIME MAY BE APPROVED BY THE PERMITTING AUTHORITY BASED ON WEATHER OR OTHER SITE -SPECIFIC CONDITIONS
THAT MAKE COMPLIANCE IMPRACTICABLE.
II) ALL SLOPES 50' IN LENGTH OR GREATER SHALL APPLY THE GROUND COVER WITHIN 7 DAYS EXCEPT WHEN THE SLOPE IS FLATTER THAN
4:1 SLOPES LESS THAN 50' SHALL APPLY GROUND COVER WITHIN 14 DAYS EXCEPT WHEN SLOPES ARE STEEPER THAN 3: 1, THE 7
DAY -REQUIREMENT APPLIES.
III) ANY SLOPED AREA FLATTER THAN 4: 1 SHALL BE EXEMPT FROM THE 7-DAY GROUND COVER REQUIREMENT.
IV) SLOPES 10' OR LESS IN LENGTH SHALL BE EXEMPT FROM THE 7-DAY GROUND COVER REQUIREMENT EXCEPT WHEN THE SLOPE IS
STEEPER THAN 2: 1.
V) ALTHOUGH STABILIZATION IS USUALLY SPECIFIED AS GROUND COVER, OTHER METHODS, SUCH AS CHEMICAL STABILIZATION, MAY BE
ALLOWED ON A CASE -BY -CASE BASIS.
VI) FOR PORTIONS OF PROJECTS WITHIN THE SEDIMENT CONTROL COMMISSION -DEFINED "HIGH QUALITY WATER ZONE" (15A NCAC 04A. 0105) ,
STABILIZATION WITH GROUND COVER SHALL BE ACHIEVED AS SOON AS PRACTICABLE BUT IN ANY EVENT ON ALL AREAS OF THE SITE WITHIN
7 CALENDAR DAYS FROM THE LAST LAND DISTURBING ACT.
VII) PORTIONS OF A SITE THAT ARE LOWER IN ELEVATION THAN ADJACENT DISCHARGE LOCATIONS AND ARE NOT EXPECTED TO DISCHARGE
DURING CONSTRUCTION MAY BE EXEMPT FROM THE TEMPORARY GROUND COVER REQUIREMENTS IF IDENTIFIED ON THE APPROVED E&SC
PLAN OR ADDED BY THE PERMITTING AUTHORITY.
3. SELF INSPECTION AND REPORTING REQUIREMENTS
MINIMUM SELF INSPECTION AND REPORTING REQUIREMENTS ARE AS FOLLOWS UNLESS OTHERWISE APPROVED IN WRITING BY THE DIVISION OF
WATER QUALITY.
a. A RAIN GAUGE SHALL BE MAINTAINED IN GOOD WORKING ORDER ON THE SITE UNLESS ANOTHER RAIN MONITORING DEVICE HAS BEEN
APPROVED BY THE DIVISION OF WATER QUALITY.
b. A WRITTEN RECORD OF THE DAILY RAINFALL AMOUNTS SHALL BE RETAINED AND ALL RECORDS SHALL BE MADE AVAILABLE TO DIVISION OF
WATER QUALITY OR AUTHORIZED AGENT UPON REQUEST. IF NO DAILY RAIN GAUGE OBSERVATIONS ARE MADE DURING WEEKEND OR HOLIDAY
PERIODS, AND NO INDIVIDUAL -DAY RAINFALL INFORMATION IS AVAILABLE, THE CUMULATIVE RAIN MEASUREMENT FOR THOSE UN -ATTENDED
DAYS WILL DETERMINE IF A SITE INSPECTION IS NEEDED. (NOTE: IF NO RAINFALL OCCURRED, THE PERMITTEE MUST RECORD "ZERO").
C. EROSION AND SEDIMENTATION CONTROL MEASURES SHALL BE INSPECTE<;L TO ENSURE THAT THEY ARE OPERATING CORRECTLY. INSPECTION
RECORDS MUST BE MAINTAINED FOR EACH INSPECTION EVENT AND FOR EACH MEASURE. AT A MINIMUM, INSPECTION OF MEASURES MUST
OCCUR AT THE FREQUENCY INDICATED BELOW:
1) ALL EROSION AND SEDIMENTATION CONTROL MEASURES MUST BE INSPECTED BY OR UNDER THE DIRECTION OF THE PERMITTEE AT LEAST
ONCE EVERY SEVEN CALENDAR DAYS, AND
11) ALL EROSION AND SEDIMENT CONTROL MEASURES MUST BE INSPECTED BY OR UNDER THE DIRECTION OF THE PERMITTEE WITHIN 24
HOURS AFTER ANY STORM EVENT OF GREATER THAN 0.50 INCHES OF RAIN PER 24 HOUR PERIOD.
d. ONCE LAND DISTURBANCE HAS BEGUN ON THE SITE, STORM WATER RUNOFF DISCHARGE OUTFALLS SHALL BE INSPECTED BY OBSERVATION
FOR EROSION, SEDIMENTATION AND OTHER STORM WATER DISCHARGE CHARACTERISTICS SUCH AS CLARITY, FLOATING SOLIDS, AND OIL
SHEENS. INSPECTIONS OF THE OUTFALLS SHALL BE MADE AT LEAST ONCE EVERY SEVEN CALENDAR DAYS AND WITHIN 24 HOURS AFTER ANY
STORM EVENT OF GREATER THAN 0.50 INCHES OF RAIN PER 24 HOUR PERIOD.
e. INSPECTIONS ARE ONLY REQUIRED TO BE MADE DURING NORMAL BUSINESS HOURS. WHEN ADVERSE WEATHER CONDITIONS WOULD CAUSE
THE SAFETY OF THE INSPECTION PERSONNEL TO BE IN JEOPARDY, THE INSPECTION CAN BE DELAYED UNTIL IT IS DEEMED SAFE TO PERFORM
THESE DUTIES. (TIMES WHEN INSPECTIONS WERE DELAYED BECAUSE OF SAFETY ISSUES SHOULD BE NOTED IN THE INSPECTION RECORD.) IF
THE INSPECTION CANNOT BE DONE ON THAT DAY, IT MUST BE COMPLETED ON THE FOLLOWING BUSINESS DAY.
f. TWENTY-FOUR HOUR REPOR1NG FOR VISIBLE SEDIMENT DEPOSITION
1) THE PERMITTEE SHALL REPORT TO THE DIVISION OF WATER QUALITY CENTRAL OFFICE OR THE APPROPRIATE REGIONAL OFFICE ANY
VISIBLE SEDIMENT BEING DEPOSITED IN ANY STREAM OR WETLAND OR ANY NONCOMPLIANCE WHICH MAYENDANGER HEALTH OR THE
ENVIRONMENT. (SEE SECTION VIII OF THIS PERMIT FOR CONTACT INFORMATION.) ANY INFORMATION SHALL BE PROVIDED ORALLY OR
ELECTRONICALLY WITHIN 24 HOURS FROM THE TIME THE PERMITTEE BECAME AWARE OF THE CIRCUMSTANCES.
11) A WRITTEN SUBMISSION SHALL BE PROVIDED TO THE APPROPRIATE REGIONAL OFFICE OF THE DIVISION OF WATER QUALITY WITHIN 5
DAYS OF THE TIME THE PERMITTEE BECOMES AWARE OF THE CIRCUMSTANCES. THE WRITTEN SUBMISSION SHALL CONTAIN A DESCRIPTION
OF THE SEDIMENT DEPOSITION AND ACTIONS TAKEN TO ADDRESS THE CAUSE OF THE DEPOSITION. THE DIVISION OF WATER QUALITY STAFF
MAY WAIVE THE REQUIREMENT FOR A WRITTEN REPORT ON A CASE -BY -CASE BASIS.
g. RECORDS OF INSPECTIONS MADE DURING THE PREVIOUS 30 DAYS SHALL REMAIN ON THE SITE AND AVAILABLE FOR AGENCY INSPECTORS AT
ALL TIMES DURING NORMAL WORKING HOURS, UNLESS THE DIVISION OF WATER QUALITY PROVIDES A SITE -SPECIFIC EXEMPTION BASED ON
UNIQUE SITE CONDITIONS THAT MAKE THIS REQUIREMENT NOT PRACTICAL. OLDER RECORDS MUST BE MAINTAINED FOR A PERIOD OF THREE
YEARS AFTER PROJECT COMPLETION AND MADE AVAILABLE UPON REQUEST THE RECORDS MUST PROVIDE THE DETAILS OF EACH INSPECTION
INCLUDING OBSERVATIONS, AND ACTIONS TAKEN IN ACCORDANCE WITH THIS PERMIT. THE PERMITTEE SHALL RECORD THE REQUIRED
RAINFALL AND MONITORING OBSERVATIONS ON THE INSPECTION RECORD FORM PROVIDED BY THE DIVISION OR A SIMILAR INSPECTION FORM
THAT IS INCLUSIVE OF ALL OF THE ELEMENTS CONTAINED IN THE DIVISION'S FORM. USE OF ELECTRONICALLY -AVAILABLE RECORDS, IN LIEU OF
THE REQUIRED PAPER COPIES FOR INSPECTION WILL BE ALLOWED IF SHOWN TO PROVIDE EQUAL ACCESS AND UTILITY AS THE HARD -COPY
RECORDS.
h. INSPECTION RECORDS MUST INCLUDE, AT A MINIMUM, THE FOLLOWING:
1) CONTROL MEASURE INSPECTIONS: INSPECTION RECORDS MUST INCLUDE AT A MINIMUM: 1) IDENTIFICATION OF THE MEASURES INSPECTED,
2) DATE AND TIME OF THE INSPECTION, 3) NAME OF THE PERSON PERFORMING THE INSPECTION, 4) INDICATION OF WHETHER THE MEASURES
WERE OPERATING PROPERLY, 5) DESCRIPTION OF MAINTENANCE NEEDS FOR THE MEASURE, 6) CORRECTIVE ACTIONS TAKEN (7) DATE OF
ACTIONS TAKEN, AS WELL AS THE DATE AND AMOUNTS OF RAINFALL RECEIVED.
11) STORM WATER DISCHARGE INSPECTIONS: INSPECTION RECORDS MUST INCLUDE AT A MINIMUM: 1) IDENTIFICATION OF THE DISCHARGE
OUTFALL INSPECTED, 2) DATE AND TIME OF THE INSPECTION, 3) NAME OF THE PERSON PERFORMING THE INSPECTION, 4) EVIDENCE OF
INDICATORS OF STORM WATER POLLUTION SUCH AS OIL SHEEN, FLOATING OR SUSPENDED SOLIDS OR DISCOLORATION, 5) INDICATION OF
VISIBLE SEDIMENT LEAVING THE SITE, 6) ACTIONS TAKEN TO CORRECT/PREVENT SEDIMENTATION AND 7) DATE OF ACTIONS TAKEN.
111) VISIBLE SEDIMENTATION FOUND OUTSIDE THE SITE LIMITS: INSPECTION RECORDS MUST INCLUDE: 1) AN EXPLANATION AS TO THE
ACTIONS TAKEN TO CONTROL FUTURE RELEASES, 2) ACTIONS TAKEN TO CLEAN UP OR STABILIZE THE SEDIMENT THAT HAS LEFT THE SITE
LIMITS AND 3) THE DATE OF ACTIONS TAKEN.
IV) VISIBLE SEDIMENTATION FOUND IN STREAMS OR WETLANDS: ALL INSPECTIONS SHOULD INCLUDE EVALUATION OF STREAMS OR
WETLANDS ONSITE OR OFFSITE (WHERE ACCESSIBLE) TO DETERMINE IF VISIBLE SEDIMENTATION HAS OCCURRED.
V) VISIBLE STREAM TURBIDITY - IF THE DISCHARGE FROM A SITE RESULTS IN AN INCREASE IN VISIBLE STREAM TURBIDITY, INSPECTION
RECORDS MUST RECORD THAT EVIDENCE AND ACTIONS TAKEN TO REDUCE SEDIMENT CONTRIBUTIONS. SITES DISCHARGING TO STREAMS
NAMED ON THE STATE'S 303(D) LIST AS IMPAIRED FOR SEDIMENT -RELATED CAUSES MAY BE REQUIRED TO PERFORM ADDITIONAL
MONITORING, INSPECTIONS OR APPLICATION OF MORE -STRINGENT MANAGEMENT PRACTICES IF IT IS DETERMINED THAT THE ADDITIONAL
REQUIREMENTS ARE NEEDED TO ASSURE COMPLIANCE WITH THE FEDERAL OR STATE IMPAIRED -WATERS CONDITIONS. IF A DISCHARGE
COVERED BY THIS PERMIT ENTERS A STREAM SEGMENT THAT IS LISTED ON THE IMPAIRED STREAM LIST FOR SEDIMENT -RELATED CAUSES,
AND A TOTAL MAXIMUM DAILY LOAD (TMDL) HAS BEEN PREPARED FOR THOSE POLLUTANTS, THE PERMITTEE MUST IMPLEMENT MEASURES
TO ENSURE THAT THE DISCHARGE OF POLLUTANTS FROM THE SITE IS CONSISTENT WITH THE ASSUMPTIONS AND MEETS THE
REQUIREMENTS OF THE APPROVED TMDL. THE DIVISION OF WATER QUALITY 303(D) LIST CAN BE FOUND AT:
HTTP://H20.EN R.STATE. NC.US/TM DI/GEN ERA1303D. HTM L
4. SEDIMENT BASINS
SEDIMENT BASINS AND TRAPS SHALL MEET THE FOLLOWING REQUIREMENTS:
a. OUTLET STRUCTURES SHALL BE UTILIZED THAT WITHDRAW WATER FROM THE SURFACE.
b. FOR BASINS OR TRAPS THAT HAVE A DRAINAGE AREA OF LESS THAN 1.0 ACRE, DRAW -DOWN DESIGNS SPECIFIED IN THE DIVISION OF LAND
RESOURCES OR DELEGATED LOCAL PROGRAM REQUIREMENTS ARE ACCEPTABLE.
C. CHEMICAL TREATMENT
1) ALL TREATMENT CHEMICALS MUST BE STORED IN LEAK -PROOF CONTAINERS THAT ARE KEPT UNDER STORM -RESISTANT COVER OR
SURROUNDED BY SECONDARY CONTAINMENT STRUCTURES DESIGNED TO PROTECT ADJACENT SURFACE WATERS.
II ALL TREATMENT CHEMICALS
HE ICALS MUST BE USED IN ACCORDANCE WITH DOSING SPECIFICATIONS AND APPLICATION RATE
S ES PROVIDED BY THE
MANUFACTURER, SUPPLIER AND AS SPECIFIED BY THE DIVISION OF WATER QUALITY.
III) THE PERMITTEE MUST ONLY USE CHEMICALS THAT HAVE BEEN APPROVED BY THE NC DIVISION OF WATER QUALITY AND POSTED ON
THEIR "NORTH CAROLINA DIVISION OF WATER QUALITY APPROVED PAMS/FLOCCULANTS LIST" FOUND ON THEIR WEB SITE AT: HTTP:HPORTAL.
NCDENR .ORGLWEB/WGANS/SU .
IV) THE PERMITTEE MUST ROUTE STORM WATER TREATED WITH POLYMERS, FLOCCULANTS, OR OTHER TREATMENT CHEMICALS THROUGH
SEDIMENT TRAPPING, FILTERING, AND/OR SETTLING DEVICES(S) TO ENSURE ADEQUATE REMOVAL OF SEDIMENT FLOCCULENT PRIOR TO
DISCHARGE TO SURFACE WATERS.
d. DISCHARGE REQUIREMENT - DISCHARGES MUST MEET THE STATUTORY REQUIREMENTS OF THE SEDIMENT POLLUTION CONTROL ACT AND
UTILIZE THE PROVISIONS OF SECTION 6.74 OF THE EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL TO ASSURE THAT
BUFFERS AND VEGETATED AREAS WILL BE USED TO REDUCE THE POTENTIAL FOR VISIBLE SILTATION OUTSIDE OF THE 25% BUFFER ZONE
NEAREST THE LAND DISTURBING ACTIVITY.
5. DISCHARGES TO SPECIAL OR THREATENED WATERS
a. DISTURBED AREAS WITHIN ONE MILE OF AND DRAINING TO WATERS WHERE FEDERALLY -LISTED THREATENED OR ENDANGERED AQUATIC
SPECIES ARE PRESEN(SHALL BE LIMITED AT ANY TIME TO A MAXIMUM TOTAL AREA WITHIN THE BOUNDARIES OF THE TRACT OF20 ACRES.
THESE PROJECTS SHALL ALSO USE CONTROL MEASURES THAT ARE DESIGNED, INSTALLED AND MAINTAINED IN ACCORDANCE WITH CRITERIA
SET FORTH IN L5A NCAC 048 .0124 - DESIGN STANDARDS IN SENSITIVE WATERSHEDS. THE DIVISION OF WATER QUALITY MAY REQUIRE
ADDITIONAL/ALTERNATIVE PROTECTION MEASURES OR REQUIRE COVERAGE UNDER AN INDIVIDUAL CONSTRUCTION NPDES STORMWATER
PERMIT. OTHER MANAGEMENT PRACTICES MAY BE ACCEPTABLE IF THESE DESIGNS ARE SHOWN BY THE APPLICANT, TO THE SATISFACTION OF
THE DIRECTOR, TO PROVIDE EQUIVALENT PROTECTION.
b. CONSTRUCTION ACTIVITIES IN HIGH QUALITY WATERS ZONES REQUIRE QUICKER GROUND STABILIZATION PROVISIONS AS SPECIFIED IN
SECTION 11.B.2.B. OF THE PERMIT.
August 4, 2011
Major Elements of DWQ Construction General Permit
This document contains the major elements of the recently -revised Noah Carolina Division of Water Quality (DWQ) Construction
Clencral Permit (N -CGOI) with emphasis placed on those elements that differ from the previous permit (expiration on August 2,
2011). Since the summary list below cannot contain details of every change, the complete Permit should be used to assure full
implementation. See! http://poFtal-ncdenr.org/web/wq/w-/su/construction
1) Ground Stabilization•
Site Area
Stabilization
Stabilization Time
Description
Time Frame
Frame Exteptionis
• Perimeterdikea.
swalm, ditches
7 days
None
and slopes
• High Quality
Water(HQA')
7days
None
Zones
If Slopes are 10' or
• Slopes steeper
7 days
loss in length and are
than 3:1
not steeper than 2:1,
14 days are allowed.
• Slopes 3:1 or
7-days for slopes
flatter
14 days
greater than 50 feet
in length
• All other areas
Norse
with stop" flatter
14 days
(except fir
than 4:1
perimeters and
HOW Zones)
" "Exta.ions of time maybe approved by the pemlioung authority
based an "earner or other aite-specific coclitic s that make cmtpliotcc
anpractkable" (Section 11-tip)(b))
The ma* change in the Permit from the previous one is the slamer
times to apply ground stabilization stwh as mukh, wheat straw, or
grasses. the 4C laws and rules relating to the Sediment Act require.
m most places, ground stabilization within 21 days- Based on the new
EPA mquvem mts and 9-morahs' work with a permit advisory group,
C(AC, the Division and EPA -developed firm it, now cattails
requirements for ground cover within I S, and m some places, 7 days
2) Buildingwastes Handling
• No paint or liquid wastes in stream or storm drains
• Dedicated areas for demolition. construction and other
wastes must be located 50' from stone drains and streams
unless no reasonable alternatives available.
• Earthen-moucTiat stockpiles must be located 50' from storm
drains and streams unless no reasonable aliemaliwa
available.
a Concrete materials must be „ontrolled to avoid contact with
surface waters. wedands, or buffers.
3) DisebargestoFederalN-listed Waters
• Requirements are the same as in gevioua permit-
0 The permit allows reduction from the 20 acre minimum if
the Dircelor of DWQ dctotntin" that other BN41s; provide
equivalent promfion.
2
DEAILR t.4onitoring Form Rev. 08012013 Page I of 2
INSPECTION AND MONITORING RECORDS FOR ACTIVITIES UNDER STORMWATER GENERAL PERMIT NCG010000
AND SELF -INSPECTION RECORDS FOR LAND DISTURBING ACTIVITIES PER G.S. 113A-64.1
Project Name
Land Quality or Local
Program Project #
Financially Responsible
County
Pa FRP / Parmittea
INSPECTOR
ame
rap aye
Inspector Type (Mark)
X
Addfoss
FRPIPermittee
Agent/Designee
Prone mmer
Eman Address
PART4A• Rninfallnafa
Day I Date
Rain Amt (inches)
Daily Rainfall Required, except for
Holidays or Weekends. If no rain,
indicate with a "zero"
M
T
W
Th
F
Sat (Optional)
Sun (Optional)
PART 16: Cuffent Phase of Prnilart
Phase of Grading
check the applicable box(es)
X
Installation of perimeter erosion and sediment control measures
Clearing and grubbingof existing ground cover
Completion of any phase of grading of slopes or fills
Installation of storm drainage facili ies
Completion of all land-disturbingactivity, construction or development
Permanent ground cover sufficient to restrain erosion has been established
By this signature, I certify in accordance with the NCG0110000. permit &G.& 113A-54.1 that this report is accurate and complete to the best of my knowledge.
Financially Responsible Party f Permitee or Agent / Designee
Date
GROUND
STABILIZATION
TINEFRAMES
Site Area Description
Stabilization
Timerrame Exceptions
Perimeter dikes swales and slopes
7 Days
None
High Quality Water H Zones
7 Days
None
S Steeper than 3:1
7 Da
If slopes are 10' or less in length and are not steeper than 2:1 14 days are allowed
S 3:1 or flatter
14 Days
7 claysfor slopes greater than SW in length
All other areas with slopes flatter than 4:1
14 Da
None except for perimeters and HOW Zones
'For an editable copy of this form as a Word doe and other information, see http:i/porrtl.nedenr.ora-tmb/ir/eosion
DEMLRMonitoring Form Rev.08012013
Page 2 of 2
PART 2A: EROSION AND SEDIMENTATION CONTROL MEASURES: Measures must be inspected at least ONCE PER 7 CALENDAR DAYS AND WITHIN
24 HOURS OF A RAINFALL EVENT GREATER THAN 0.51NC14 PER 2d HOUR PFRIOn
Erosion and Sedimentation Control Measures Inspected
Inspection
Date
Describe Actions Needed
Corrective actions should be Performed as soon
Date
Corrected
Meawra 10.or
Locaaon and
Description
Operating
Properly?
(Y!N)
Any Repair
or
Maintenance
Needed?
r
New Measures Installed
as Possible and before the next storm even
Pronosed
Actual
Dimensions
Sionificanf
Dimensions
Deviation from
Prenz (YiN)
-New erosion and sedimentation control measures installed since the last inspection should be documented here or by initialing and dating each measure or
practice shown on a copy of the approved erosion and sedimentation control plan. List Dimensions of Measures such as Sediment Basins and Riprap Aprons
PART
R DISCHARGE OUTFALLS ISDOs): SDOs must be inspected at least ONCE PER 7 CALENDAR DAYS AND WITHIN
24 HOURS OF A RAINFALL EVENT GREATER THAN 0 A INCH PFR 9d HOHR PFRInn
Stormwater
Disclharl
le Outfalls
Inspected
InspectionDate
Report Visible Sedimentation to streams or wetlands to
Any Visible
Any Increase
Any
Stornuttater
Sedimentation
in Stream
Visible
Any visible oil
Land Quality within 24 Hours
Corrected
Discharge
Outfall
in Streams,
Turbidity
Erosion
sheen, floating or
http:/Jportal.ncdenr.orghvebiindivision-contacts
ID.or
Wetlands or
from
below
suspended solids or
Describe Actions Needed
Location
Outside Site
Discharge?
SDO?
discoloration? (Y/N)
Corrective actions should be performed as soon as Possible and
Limits? (YIN)
(Y/N)
(YIN)
before the next storm event
PART 2C: GROUND STABILIZATION Must he re earned offer Hach Phwaa of eRrndtn.r
Areas Where Land. Disturbance Has Been
Completed or Temporarily Stopped
Time Limitfor
Ground Cover
7 days or 14
gm
is Ground Cover
Sufficient to
Restrain Erosion?
WN
Inspection
Date
Describe Actions Needed
Date
Corrected
TERAMORE EROSION CONTROL CONTACT
CHAD GANTT - PROJECT MANAGER [phone]
Major Elements of DWQ Construction General Permit- Continued
4) Inspections.
• Same weekly inspector requirements
a Same min gauge & inspections after 0.5" rain event
a Inspections are only req ifed during "normal business
imus'
• Impaction reports insist be available on -she daring
business horns unless a site-speoiftc exemption is
approved-
9 Records must be kept for 3 years and available upon
request-
• Electremeally-available records may be substituted
under certain conditions.
5) ImplementatkinofNew Permit Conditions
• Projects permitted under the previous permit can
continue to follow the previously-pemrittad conditions.
• CooWlete appliatiom received prior to August 3, 2011
can follow conditions of approved appheadion.
a Applications received after August 2,2011 loon comply
with new permit conditions.
August 4, 2011
6) Candtfiam in Erosion & Sedimentation Control Plans"
Designation on the plat. where the 7 and 14-day ground
stabilization requirements of the NTT DFS permit apply
Designation on the plans where basins that comply with the
surface -withdrawal requirements of the NIMES permit are
located.
7) Building Wastes Handling
a No pain or liquid wastes in stream or storm drains
a Dedicated areas for derrioGtion, constmction and other
wastes located 50' from storm drains and shr rns unless
m reasonable attematiw-s are available.
• Fanhen-material stockpiles located 5W from storm
chains unless no reasonable altemafives available.
• Concrete materials must be controlled to avoid contact
with surface waters, wedamds, or buffers.
8) SodhoentBasins
• Outlet structures most nithdraw from basin surface
unless drainage area is Iess than 1 sere.
Use only DWQ-approval floccudants.
• IneNer Ynr the EhSC Plop to gip,, the eondfiosns of the CautroedpnGenaal permit, it must identify Q Where the ground stebii atticm ratairamalas apply and the
location of the beam when de sufsca hhdrswsl retparenlo%uappty.
Document prepared by the Division of Water Quality
2
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GNAIL 7 ww t 29"wSET,/ Ne, STRUCTURE TABLE PIPE TABLE
Now rcp N6STRUCTURE NAME DETAILS PIPE NAME SIZE LENGTH SLOPE
R0AD
INV=8921AE tW-SCRER - 1.1965CURV 7`RIM = 892.65' PIPE -1 15 INCH CORRUGATED HDPE PIPE 190.67' 0.51%
INVOUT=889.50' C�aR=s04ECURB INLET -1
DHUBLo,
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\ - _ R0� N T YARD INLET - 1 INV IN = 883.75' COORDINATE WITH NCDOT AND/OR LOCAL TRANSPORTATION
\\ - - - -/ ` - _ INV OUT = 883.65' AUTHORITY AND FOLLOW TRAFFIC MANAGEMENT PLAN FOR
INv / I % i / ?'�, �. - - '- - - '�---.- _ ' - ALL WORK WITHIN AND ADJACENT TO PUBLIC RIGHT OF WAY.
RQADL� -- -
- - PROPERTY LINE
too- - EXISTING CONTOURS
^� PROPOSED CONTOURS
- - - - - SETBACK
VICINITY MAP (NTS)
GENERAL NOTES
1. CONTRACTOR IS TO VERIFY ALL UTILITY LOCATIONS PRIOR TO BEGINNING WORK.
2. ALL WORK IS TO BE IN ACCORDANCE WITH ALL STATE AND LOCAL REGULATIONS.
3. ALL PERMITS ARE TO BE OBTAINED BY THE CONTRACTOR PRIOR TO THE START OF CONSTRUCTION.
4. EXISTING UTILITIES ON SITE SHALL BE RELOCATED AS REQUIRED. CONTRACTOR SHALL PAY ALL COSTS
ASSOCIATED WITH RELOCATION.
5. CONTRACTORS ARE TO FULLY ACQUAINT THEMSELVES WITH ALL UTILITIES WITHIN THE CITY AND STATE ROW AND
WITHIN THE PROPERTY BOUNDARIES WHICH WILL REQUIRE RELOCATION. ALL COSTS ASSOCIATED WITH
RELOCATION SHALL BE INCLUDED IN THE BASE BID.
6. ALL WORK PERFORMED WITHIN NCDOT ROW SHALL BE PER NCDOT SPECS AND SHALL BE INSPECTED FOR
COMPLIANCE BY STATE INSPECTORS AT THEIR DISCRETION.
7. ALL OFF -SITE FILL MUST COME FROM AN APPROVED SITE. CONTRACTOR IS RESPONSIBLE FOR PERMITTING
BORROW SITE.
GRADING NOTES
1.
PROPOSED CONTOURS SHOWN ARE TOP OF FUTURE PAVING/GRAVEL IN AREAS TO RECEIVE PAVEMENT/GRAVEL AND
TOP OF TOPSOIL IN AREAS TO BE SEEDED AND/OR LANDSCAPED.
2.
AREAS OUTSIDE OF THE PARKING LOT PERIMETERS SHOWN TO BE SEEDED AND/OR LANDSCAPED.
3.
CONTRACTOR SHALL NOTIFY AND COOPERATE WITH ALL UTILITY COMPANIES OR FIRMS HAVING FACILITIES ON OR
ADJACENT TO THE SITE BEFORE DISTURBING, ALTERING, REMOVING, RELOCATING, ADJUSTING, OR CONNECTING TO
SAID FACILITIES. CONTRACTOR SHALL PAY ALL COSTS IN CONNECTION WITH ALTERATION OF OR RELOCATION OF
THE FACILITY.
4.
ALL CATCH BASIN GRATE AND FRAMES ARE TO BE BY US FOUNDRY OR APPROVED EQUAL (U.O.N.) SEE
SPECIFICATIONS.
5.
ALL AREAS NOT COVERED BY BUILDING OR PAVING ARE TO BE GRASSED.
6.
UNUSABLE EXCAVATED MATERIALS AND ALL WASTE RESULTING FROM CLEARING AND GRUBBING SHALL BE
DISPOSED TO AN APPROVED OFF SITE LOCATION BY CONTRACTOR.
7.
ALL EXCAVATING IS UNCLASSIFIED AND SHALL INCLUDE ALL MATERIALS ENCOUNTERED.
8.
BEFORE ANY MACHINE WORK IS DONE, CONTRACTOR SHALL STAKE -OUT AND MARK OUT THE ITEMS ESTABLISHED BY
THE SITE PLAN. CONTROL POINTS SHALL BE PRESERVED AT ALL TIMES DURING THE COURSE OF CONSTRUCTION.
LACK OF PROPER WORKING POINTS AND GRADE STAKES MAY REQUIRE CESSATION OF OPERATIONS UNTIL SUCH
POINTS AND GRADES HAVE BEEN PLACED TO THE OWNER'S SATISFACTION.
9.
CONTRACTOR IS RESPONSIBLE FOR DETERMINING EARTHWORK QUANTITIES. ENGINEER MAKES NO STATEMENT
EITHER IMPLIED OR EXPRESSED REGARDING CUT/FILL QUANTITIES.
10.
ALL CORRUGATED METAL PIPE IS TO BE ALUMINIZED OR APPROVED EQUAL WITH RE -ROLLED ENDS. ALL BANDS ARE
TO BE HUGGER TYPE.
11.
ALL STORM DRAINAGE PIPES SHALL HAVE 12" MINIMUM COVER.
11.
ALL GROUND ELEVATIONS ADJACENT TO BUILDING STRUCTURES ARE TO BE A MINIMUM OF 6" BELOW THE FINISHED
_
FLOOR ELEVATION.
12.
ALL HDPE IS TO BE ADS N-12 ST IB DUAL WALL WITH SOIL TIGHT JOINTS AND DUAL WALL FITTINGS OR APPROVED
EQUAL.
13.
ALL PIPE LENGTHS GIVEN ARE TO THE CENTER OF STRUCTURES.
14.
CONTRACTOR IS RESPONSIBLE FOR VERIFYING ANY BENCHMARKS SUPPLIED AS PART OF THESE PLANS.
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TC TOP OF CURB
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TOR TOP OF RAMP
BOR BOTTOM OF RAMP
TOW TOP OF WALL
BOW BOTTOM OF WALL
BEFORE YOU DIG! BOD BOTTOM OF DITCH
HP HIGH POINT
CALL 1-800-632-4949 EX. TC EXISTING TOP OF CURB
N.C. ONE -CALL CENTER EX. BC EXISTING BOTTOM OF CURB
IT'S THE LAW! EP EDGE OF PAVEMENT
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SHEET SIZE:
24"x36"
DATE:
7110120717
PROJECT NUMBER:
3160092016
DRAWN BY:
J.EDWARDS
APPROVED BY:
J.CHURCH
SCALE-
11, = 30' M
SHEET:
C200
© COPYRIGHT 2017 BY BREC, P.A., ALL RIGHTS RESERVED. THIS PLAN MAY NOT BE RE -USED, SOLD, LOANED, OR GIVEN TO OTHERS. REPRODUCTION OR PHOTOCOPYING OF THIS PLAN WITHOUT THE WRITTEN CONSENT OF BREC, P.A. IS PROHIBITED AND IS A VIOLATION OF FEDERAL COPYRIGHT LAWS, PUNISHABLE BY FINES UP TO $100,000 PER OFFENSE
I

1
C902
STEP REQ'D FOR
GROUT INTERIOR BOXES > 4' DEEP
WALLS -� AT 10" O.C.
BASIN: NDS# 1200$1216
PRE -CAST CATCH BASIN
PER D.O.T. HEAVY-DUTY
TRAFFIC RATING. ROUND
PRE -CAST CAN BE
SUBSTITUTED FOR SQUARE
6" OF #57 STONE COMPACTED
YARD INLET
#4 REBAR AT 8" O.C.E.W.
INLET FRAME r
AND GRATE FOOTING BEYOND
(USF 4131-6001)
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CONC.GROUT
TEMPORARY GRAVEL CONSTRUCTION
ENTRANCE
GENERAL NOTES:
1. A STABILIZED ENTRANCE PAD OF COARSE AGGREGATE OR RAILROAD BALLAST SHOULD BE LOCATED WHERE TRAFFIC WILL ENTER OR LEAVE THE CONSTRUCTION SITE
ONTO A PUBLIC STREET.
2. FILTER FABRIC OR COMPACTED CRUSHER RUN STONE SHOULD BE USED AS A BASE FOR THE CONSTRUCTION ENTRANCE.
3. THE ENTRANCE SHOULD BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOWING OF SEDIMENT ONTO PUBLIC STREETS OR EXISTING PAVEMENT.
THE MAY REQUIRE PERIODIC TOP DRESSING WITH ADDITIONAL STONE AS CONDITIONS WARRANT AND REPAIR OR CLEANOUT OF ANY MEASURES USED TO TRAP
SEDIMENT.
4. ANY SEDIMENT SPILLED, DROPPED, WASHED, OR TRACKED ONTO PUBLIC STREETS MUST BE REMOVED IMMEDIATELY.
5. WHEN APPROPRIATE, WHEELS MUST BE CLEANED TO REMOVE SEDIMENT PRIOR TO ENTERING A PUBLIC STREET. WHEN WASHING IS REQUIRED, IT SHOULD BE DONE IN AN
AREA STABILIZED WITH CRUSHED STONE WHICH DRAINS INTO AN APPROVED SEDIMENT BASIN.
6. CDOT MAY REQUIRE A STANDARD COMMERCIAL DRIVEWAY TO ACCESS THE CONSTRUCTION SITE IF THE DRIVEWAY IS ON A THROUGHFARE.
7. PLEASE REFER TO NCESCPDM SECTION #6.06 FOR ADDITIONAL DESIGN SPECIFICATIONS REGARDING TEMPORARY GRAVEL CONSTRUCTION ENTRANCES/EXITS.
MAINTENANCE NOTES:
MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT MUD OR SEDIMENT FROM LEAVING THE CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC TOPDRESSING 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.
50' MIN
r 6" MIN PUBLIC STREET
EXISTING
7
C902
3XDD
SOIL STABILIZATION FABRIC
UNDER 23" COARSE AGGREGATE
50' MIN
STANDARD PIPE OUTLET MINIMUM
TAI LWATER
r LMIV VICYV LA
PIPE
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SECTION'A-A'
GENERAL NOTES:
1. LA = THE LENGTH OF THE RIPRAP APRON.
2. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER BUT
NOT LESS THAN 6" (INCHES).
3. A FILTER BLANKET OR FILTER FABRIC SHOULD BE
INSTALLED BETWEEN THE RIPRAP AND SOIL
FOUNDATION.
MAINTENANCE NOTES:
W = DG+ LA INSPECT RIPRAP OUTLET STRUCTURES WEEKLY AND
AFTER SIGNIFICANT (112 INCH OR GREATER) RAINFALL
EVENTS TO SEE IF ANY EROSION AROUND OR BELOW
THE RIPRAP HAS TAKEN PLACE, OR IF STONES HAVE
BEEN DISLODGED. IMMEDIATELY MAKE ALL NEEDED
REPAIRS TO PREVENT FURTHER DAMAGE.
ABRIC
2
C902
874.00 -
873.00
CLASS B RIPRAP
SAND FILTER
SOD LAYER MUST BE WASHED
OR GROWN IN PRIMARILY
SAND/SANDY-LOAM SOILS WITH
LESS THAN 6% CLAY CONTENT
OUTLET
3' CLASS B STRUCTURE
RIPRAP DAM SEE DETAIL _ ERGENCY SPILLWAY
ELEV. = 877.00
r 876.00
WOVEN GEO-TEXTILE
FILTER FABRIC
NOTES:
1. SAND FILTER SHALL HAVE A MINIMUM 20 FOOT ACCESS EASEMENT CONNECTING TO A DEDICATED PUBLIC RIGHT OF
WAY. ACCESS ROAD SHALL HAVE A MIN. 12' STABILIZED WIDTH, MAX LONG, GRADE OF 15% MAX., CROSS SLOPE 5%.
2. ALL DRAINAGE AREAS TO THE SAND FILTER ARE TO BE STABILIZED PRIOR TO INSTALLATION OF AMENDED SAND,
MULCH OR PLANTING.
3. PVC UNDERDRAIN PIPE SHOULD HAVE 318' PERFORATIONS SPACED AT 6" CENTERS. MIN. 4 HOLES PER ROW. MAX
SPACING OF UNDERDRAIN PIPE IS 10 FEET ON CENTER HOPE SHALL ADHERE TO AASHTO M252 SPECS.
4. UNDERDRAIN CLEANOUTS SHOULD EXTEND A MIN. OF W ABOVE TOP SURFACE OF SOD LAYER. CLEANOUTS MAY BE
FLUSH WITH TOP OF SURFACE TO ALLOW DRAWDOWN.
5
C902
WIRE FENS""
WOVEN FILTER FABF
875.50
874.00
77777 872.50
SILT FENCE
- 8' MAX -
30" MIN
8" MIN
18" HDPE OUTLET
871.50
3-6"PERFORATED
PVC UNDERDRAINS
L 12" OF #57 STONE
18" OF COURSE MASONRY SAND
CONFORMING TO ASTM C33 STANDARD
STEEL POST
WIRE FENCING
FILTER FABRIC
#57 STONE
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GENERALNOTES:
1. USE A SYNTHETIC FILTER FABRIC OF AT LEAST 95% BY WEIGHT OF POLYOLEFINS OR
9.
WHEN A WIRE MESH SUPPORT FENCE IS USED, SPACE POSTS A MAXIMUM OF 8 FEET APART.
POLYESTER, WHICH IS CERTIFIED BY THE MANUFACTURER OR SUPPLIER AS CONFORMING TO
SUPPORT POSTS SHOULD BE DRIVEN SECURELY INTO THE GROUND A MINIMUM OF 24 INCHES.
THE REQUIREMENTS IN ASTM D 6461, WHICH IS SHOWN IN PART IN TABLE 6.62b.
10.
EXTRA STRENGTH FILTER FABRIC WITH 6 FEET POST SPACING DOES NOT REQUIRE WIRE MESH
2. SYNTHETIC FILTER FABRIC SHOULD CONTAIN ULTRAVIOLET RAY INHIBITORS AND STABILIZERS
SUPPORT FENCE. SECURELY FASTEN THE FILTER FABRIC DIRECTLY TO POSTS. WIRE OR
TO PROVIDE A MINIMUM OF 6 MONTHS OF EXPECTED USABLE CONSTRUCTION LIFE AT A
PLASTIC ZIP TIES SHOULD HAVE MINIMUM 50 POUND TENSILE STRENGTH.
TEMPERATURE RANGE OF0TO 120"F.
11.
EXCAVATE A TRENCH APPROXIMATELY 4 INCHES WIDE AND 8 INCHES DEEP ALONG THE
3. ENSURE THAT POSTS FOR SEDIMENT FENCES ARE 1.25 LB/LINEAR FT MINIMUM STEEL WITH A
PROPOSED LINE OF POSTS AND UPSLOPE FROM THE BARRIER.
MINIMUM LENGTH OF 5 FEET. MAKE SURE THAT STEEL POSTS HAVE PROJECTIONS TO
12.
PLACE 12 INCHES OF THE FABRIC ALONG THE BOTTOM AND SIDE OF THE TRENCH.
FACILITATE FASTENING THE FABRIC.
13.
BACKFILL THE TRENCH WITH SOIL PLACED OVER THE FILTER FABRIC AND COMPACT,
4. FOR REINFORCEMENT OF STANDARD STRENGTH FILTER FABRIC, USE WIRE FENCE WITH A
THOROUGH COMPACTION OF THE BACKFILL IS CRITICAL TO SILT FENCE PERFORMANCE.
MINIMUM 14 GAUGE AND A MAXIMUM MESH SPACING OF 6 INCHES.
14.
DO NOT ATTACH FILTER FABRIC TO EXISTING TREES.
5. CONSTRUCT THE SEDIMENT BARRIER OF STANDARD STRENGTH OR EXTRA STRENGTH
MAINTENANCE NOTES:
SYNTHETIC FILTER FABRICS.
6. ENSURE THAT THE HEIGHT OF THE SEDIMENT FENCE DOES NOT EXCEED 24 INCHES ABOVE
1.
INSPECT SEDIMENT FENCE AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY
THE GROUND SURFACE. (HIGHER FENCES MAY IMPOUND VOLUMES OF WATER SUFFICIENT TO
REQUIRED REPAIRS IMMEDIATELY.
CAUSE FAILURE OF THE STRUCTURE.)
2.
SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE, OR BECOME
7. CONSTRUCT THE FILTER FABRIC FROM A CONTINUOUS ROLL CUT TO THE LENGTH OF THE
INEFFECTIVE, REPLACE IT PROMPTLY.
BARRIER TO AVOID JOINTS. WHEN JOINTS ARE NECESSARY, SECURELY FASTEN THE FILTER
3.
REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME
CLOTH ONLY AT A SUPPORT POST WITH 4 FEET MINIMUM OVERLAP TO NEXT POST.
FOR THE NEXT RAIN AND TO REDUCE PRESSURE ON THE FENCE. TAKE CARE TO AVOID
SUPPORT STANDARD STRENGTH FILTER FABRIC STTHE
WIRE MESH FASTENED SECURELY TO THE
UNDERMINING THE FENCE DURING CLEANOUT.
UPSLO8.
SIDE THE POSTS. EXTEND THE WIRE MESH SUPPORT TO THE BOTTOM OF THE
E
4.
REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA
TRENCH. N
TRENCH. FASTEN THE WIRE REINFORCEMENT, THEN FABRIC ON THE UPSLOPE SIDE OF THE
TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN
FENCE POST. WIRE OR PLASTIC ZIP TIES SHOULD HAVE MINIMUM 50 POUND TENSILE
PO
PROPERLY STABILIZED.
STRENGTH.
8
C902
NC
W
NC DOT #5 OR #57
WASHED STONE
HARDWARE CLOTH AND GRAVEL INLET
PROTECTION
4' MAX
19-C;I IARF HARIIWARF CI nTH
FILTERED
WATER
GENERAL NOTES:
1. REFER TO NCESCPDM SECTION #6.51 FOR
ADDITIONAL DESIGN SPECIFICATIONS REGARDING
HARDWARE CLOTH AND GRAVEL INLET
PROTECTION.
3
C902
GROUT INTERIOR
WALLS
2' x 3' PRE -CAST _
CATCH BASIN
6" PVC INV.
IN = 871.50
18" HDPE
INV. OUT = 871
6
C902
OUTLET STRUCTURE
TRASH RACK
ELEV. = 876.00
--------------------------
TRASH RACK
9"
6" #4BARAT8"O.C.E.W. 3'Wx3'Lx9"D
3,000 PSI CONCRETE
SILT FENCE STONE
TOP OF SILT FENCE
MUST BE AT LEAST 1'
ABOVE THE TOP OF
THE #57 STONE
CLASS 1 OR 2 RIPRAP WITH 6
INCHES OF WASHED STONE ON
UPSTREAM FACE
4' MAX.
FRONT VIEW
GENERAL NOTES:
1, SEDIMENT FILTER OUTLET SHALL BE 16INCHES HIGH BUT NO TALLER THAN 18 INCHES.
2. CLASS 1 OR 2 RIPRAP SHALL BE USED AND COVERED WITH 6 INCHES OF NCDOT #5 OR
#57 WASHED STONE ON THE UPSLOPE SIDE
3. POSTS SHALL BE NO MORE THAN 4 FEET APART.
4. SITE OUTLETS AT ANY POINT SMALL CONCENTRATED FLOW ARE ANTICIPATED AND AT
THE DIRECTION OF THE INSPECTOR.
5. ONE ACRE MAXIMUM DRAINAGE AREA PER OUTLET.
MAINTENANCE NOTES:
1. FILTER OUTLETS SHALL BE INSPECTED BY THE FINANCIALLY RESPONSIBLE PARTY OR
HIS AGENT IMMEDIATELY AFTER EACH RAINFALL AND AT LEAST DAILY DURING
PROLONGED RAINFALL. ANY REPAIRS NEEDED SHALL BE MADE IMMEDIATELY.
2. THE STONE SHALL BE REPLACED PROMPTLY AFTER ANY EVENT THAT HAS CLOGGED
OR REMOVED IT.
3. SEDIMENT DEPOSITS SHOULD BE REMOVED WHEN DEPOSITS REACH HALF THE HEIGHT
OF THE BARRIER. ANY SEDIMENT DEPOSITS REMAINING IN PLACE AFTER THE SILT
FENCE OUTLET IS REMOVED SHALL BE DRESSED TO CONFORM TO THE EXISTING
GRADE, PREPARED AND SEEDED.
9
C902
OUTLETS
7 WIRE FENCING (IF APPLICABLE)
STEEL FENCE POST
CLASS i OR 2 RIPRAP
TEMPORARY DIVERSION
r 2' MIN
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1. REMOVE AND PROPERLY DISPOSE OF ALL TREES, BRUSH, STUMPS AND
OTHER OBJECTIONABLE MATERIAL.
2. ENSURE THAT THE MINIMUM CONSTRUCTED CROSS SECTION MEETS ALL
DESIGN REQUIREMENTS.
3. ENSURE THAT THE TOP OF THE DIKE IS NOT LOWER AT ANY POINT THAN THE
DESIGN ELEVATION PLUS THE SPECIFIED SETTLEMENT.
4. PROVIDE SUFFICIENT ROOM AROUND DIVERSION TO PERMIT MACHINE
REGARDING AND CLEANOUT.
5. VEGETATE THE RIDGE IMMEDIATELY AFTER CONSTRUCTION, UNLESS IT WILL
REMAIN IN PLACE LESS THAN 30 WORKING DAYS.
MAINTENANCE NOTES:
1. INSPECT TEMPORARY DIVERSIONS ONCE A WEEK AND AFTER EVERY
RAINFALL. IMMEDIATELY REMOVE SEDIMENT FROM THE LOW AREA AND
REPAIR THE DIVERSION RIDGE. CAREFULLY CHECK OUTLETS AND MAKE
TIMELY REPAIRS AS NEEDED. WHEN THE AREA PROTECTED IS PERMANENTLY
STABILIZED, REMOVED THE RIDGE AND THE CHANNEL TO BLEND WITH THE
NATURAL GROUND LEVEL AND APPROPRIATELY STABILIZE IT.
WOVEN FILTER FABRIC
STEEL FENCE POST
SET MAX 2' APART
MIN. 18" INTO SOLID GROUND
V MIN.
#57 STONE
III f- FLOW
41
II
II
II
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SECTION VIEW
ENGINEERING I PLANNING I ENVIRONMENTAL
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126 EXECUTIVE DRIVE - SUITE 220
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WILKESBORO, NC 28697
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SHEET SIZE:
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DATE:
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PROJECT NUMBER:
3160092016
DRAWN BY:
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APPROVED BY:
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