SWA000178_Plansheet - Misc. Detail_20221217 (3)

CALL
BEFORE YOU DIG,
KNOW WHAT'S BELOW
IT'S THE LAW
NORTH f LIN STANDARD SEDIMENT D EROSION P E'
CONTROL PLAN FOR SMALL RESIDE"AL LOTS
PIRMJECTrvAME: NOM AN � APPLIAILITY TQ l,iDT € vb 1,1
PRiLdECa 14UMER_
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Jh Tuax Run�nx*Lnu MAY @F 1103:.1F?r7
NORTH CAROLINA
�k �n1'lr'OetrlrBrPrtTi�U1
W
Date.
O,rerrap
6" min.
STANDARD SEDIMENT rl-F I iV CONTROL PLAN
Ov9rcLA dlannal 2- Lcrlg&dinal
to $Alcw bw1king snohrw trench
during seiadbatl
preparafion
Single-lap spliced ends or begin new
roll in an inWrmlttent check slot
Prepare soil and apply seed before
inawhirig blankets, mats or other
temporary channel Itner systems
Page'
1-11t�]] Ell I
-L
Typical installation will erosion central bittnkel� or furl reirlforoement mats NOTES
- 1. Terminal anchor trenches are required at RECP ends and
intermittent check slots must be constructed across
channels at 25 foot intervals. Terminal anchor trenches
12" should be- a minimum of 12 inches in depth and 6 inches
in width- Intermittent check slats should be 6 inches deep
i a n+� and 6 inches wide-
,Ir.termiitent shed€ slal Langttudirtal anchor Uench Terminal slope and channel anchor trench 2• Design velocities exceeding feetlsecond require
Stakes at temporary blankets, mats or similar liners to proti ct seed
'�'-5' interuais and soil until vegetation becomes established
3. Grass -lined channels with design velocities exceeding 6
feet/second should include turf reinforcement mats,
_ rp 4, Check slots to be constructed per manufacturers
Initial chdT annel anor trench SpDGI�iC�ItlBns.
`* 5. Staking or stapling layout per manufacturers specification,
10 6. 11 gauge. at least 6 inch by 1 inch staples or 12 inch
minimum length wooden stakes are recommended for
Check Slats at 25' anchoring -
intervals
7. Do not stretch blankeWmatting tight -allow the rolls to
MAINTENANCE: -� I conform to any irregularil.ies-
1. Inspect Rolled Ero8ion Control Products at least weekly and after each significant (1 inch or greaten rainfall event-, repair immediately.
2- Good contact with the ground must be maintained, and erosion must not occur beneath the RECP,
3. Any areas of the RECP that are damaged cr not in close contact with the ground shall be repaired and stapled,
4. If erosion occurs due to poorly controlled drainage, the problem shall be fried and the eroded area protected-
5. Monitor and repair the RECP as necessary until ground cover is established-
,:' fwfrnnm�p �[QUl�li�w
ROLLED EROSION CONTROL PRODUCTS (RECP) FOR CHANNELS
(Date:
Steel host
Construction_
I . Construct the sediment barrr'er of standard strength or extra strength
synthetic filter fabrics.
2. Ensure that the height of the sediment fence does not exceed 24
inches above the ground. (Highiar fences may impound volurrws of
water sufficient t4 causefailure of the struoure-)
3- Construct the filter fabric from a continuous rolI cut to the length of the
barrier to avoid joints- When joints are necessary, securely fasten the
filter cloth only at a support post with 4 feet minimum overlap to the
next past.
4. Support standard strength filter fabric by mre mesh fastened securely
to the upslope side of the posts. Extend the wire rni ssh support to the
bottom i f the trench. Fasten the wire reinfa"ment, then fabric on the
upslope side of the fence post. Wire or plastic zip ties should have a
rirtnimum 50 pound tensile strength,
5- Whan a wine mesh support Fence is used. space posts a maximum of
8 feet apart. Supports should be driven securely into the ground a
minim urn of 24 inches.
B- Extra strength filter fabric with 6 feet post spacing does not require
wire mesh supporl fence. Securely fasten the oiler fabric dereclly to
posts. Wire or plastic rats ties should have a mIDIMUM Of 50 Pound
tensile strength.
7- Excavate the trench 8 ppTox imately 4 inches wide uim 8 inches deep
along the proposed line of the pOBts and upslape hart the barrier-
8. Place 12 inches of fabric along the bottom and side of the trench.
9- Backfrll the trench with soil placed over the filter fabric and compact.
Thorough oompaction of the backfrll is critical to silt fence
performance.
10 too not attach filterfabric to existing trees.
Maintenance:
1. Inspect sediment fences at least once a week and after ealcl>' 1 inch
rainfall. Make any required repairs immediately.
2. Should the fabric of a wdiment fence callapse, tear, decompose. or
became ineffective, rOplOoB iE prpmptly-
3. Remove sediment deposits as necessary to provide adequate storage
volume for the next rain and reduce pressure on the fence. Take care
to avoid undermining the fence during cleanout,
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 Btabil'med.
F N I)R i H CAI�OLINA
` rEnvtronmentalQuaNy
r 8' Max. Standard Strength fabric with wire fence
` 6' Max. Extra strength fabric vOthoW wire fence
,
• 4"
Wire
Steel Post ....
4m
SILT FENCE
Page:
- Wire Fence
Plastic or
Wire ties
18-24"
8" down & 4"
forward along the
trench
Filter Fabric
Filter Fabric
Backfill trench
and Compact
thoroughly
4} I UPSIDpe
4„ ' `*" . +
Min.. L
.{ 1F,1lif�Tt.
' ,•�
Date:
19-GAUGE HARDWARE CLOTH
Q MESH OPENINGS)
NCDOT #e
WASHED
NCDOT 45 OR #57 �l 4 =' :� Fes,,
FLTBHEC WASHED STONE��_���
Construction;
1- Uniformlygrade a shallow depression approaching the inlet-
2. Maintenance
- Drive 5-fool steel posts feet into the ground surrounding the inlet- Space 1inspect sediment fences of least once a week
posts evenly around the perimeter of the inlet_ a maximum of 4 feet apart. and alter each 1 inch or greater rainfaill, akl
. Surround the posts with wire mesh (hardware cloth, Secure the wire mesh to an required repairs Immediately-
2-the steel posts at the #op, middle, and bottom. Placing a -fool flap of theClear the mesh wire of any debris or other
the
objects to Provide adequate flow for
subsequent
uentit mesh undergr v l i lecorrm nded-
rains,Teke care net to damage or undercut the
4. Place clean gravel (NC DOT #5 or #57 stone) on a 2-1 slope with a height
of 16 inches around the wire, and smooth to an even grade, mesh during sediment removal.
Replace stone as needed.
5. Once the contributing drainage area has been stabilized, remove p
accumulated sediment. and establish final grading elevations.
6- Compact the area properly and stabilize with groundcover.
AROLI N A
J rrvu-of1JaeJJ14fQUr
Date:
�t t sfaxES� CK tPUpE
MINIMUM 4 STAKU, ON
DOM FICPE
INLET PROTECTION
S1AXE `_
k4-.1E :.TAKE$ TO WEDGE
WATTILE ONTO GROUND
MAT"N41
#fiill i 7lNG - I r � TA KF 1 N 1ST -AU-'_ A TI.Ol 1. 51LT sc�wc WATTLE
11
I' i10N MATTING
-DITCH SECTION VIEW, �
MINIMUM 4 0 ON
MIN. 2 STAKES M UPR PE DOVNSLSPE @@
GROUND
TRAz EZOIDAf_ DITCH
SECTION VIEW
ljSE -A MINIMUM [IF 2 STAKES ❑`;
4'LUPE SIDE _
FLOW
pv§
Ditch Spacing For 12 Inclh SiltSock/Wattle
Channel Slope (%)
Space Between Silt Socks? Wattles (Fee-)
1
100
2
50
3
33
25
5
20
nTTrH
SLOB
Page'
IM TRIC
VIF-W
TdP OF BANK
111NNSLOPE
IJST A MINIMrIM OF 4 STAKES ON
ME
ZOI�NSLOPE
'17{ND LIIIIl I I I I II I I I I II I I 1111111111
COTES; PLAN VIEW
1, Other materials providing equivalent protection against erosNee velocities may be
substLuted for use in silt socks or wattles.
MAINTENANCE:
Use a rninirrlurn 12 inch diameter silt socklw8ittle.
1. I nspect silt socklwattle(s) weekly and after each 1 Inch or 3. Fill silt socklwattle netting uniformly to the desired length sucft that togs do not
deform -
greater rain- Rernove acaurnulated sediment and any debris-
2. Silt socklWattle must be replaced if clegged or tom- 4- Use 2 4 inch long wooden stakes witha 2 inch x 2 incrr norrrinal cross sCtion.
3. If pending becomes excessive, the silt avcklwe##le may need 5` Install silt socklwattle(s) to a height on 81ope so Flow will not wash around silt
to be replaced with a larger diameter or a different measure. socklwattle and scour slopes, or as directed.
. 6. install a minimum of two updape stakes and four down slope stakes at an angle to
4- Reinstall if damaged gel ded
5, hilt sockslWattles shall be inspected until land disturbance is wedge silt sooklwattle tar gro�tnd at bottom ditch.
complete and the area above the measure is permanently 7' The use of Polyacrylarnide {PAlvt} is recommended, Apply 2 -3 ounces of artioalic
stabilized. PAM on top of socklwattle. Apply 1-2 ounces to matt irig on either side of
sock/wattle. Reapply after each 1.0 inch rain event.
kEnvi oe men afQUality
SILT SOCK J WATTLE FOR CHECK DAMS
Date:
r�t�ra■ttlt�� ��� n
TOP OF SILT FENCE
MUST BE AT LEAST 1'
ABOVr= THE TOP OF
THE WASHED STONE
STEEL FENCE POST
WIRE FENCE
HAR131VAF2C CLOTH
FILTER OF 157
WASHED STONE ei
BURY WiRE FENCE
AND KARDWARE CLOTH
SECTION VIEW
T-OLINA
x �no-;rr�raJri�RrQl�11t?1rCy
Page,
AirN SILT FENCE
Sat
FRONTVIEW
BURY MIRE FENCE,
FILTEf� FABRIC,
AND HARDWARE
CLaTFE 1N TRENCH
STEEL FENCE POST
SET MAX 2' APART
MiN. 18" INTO SOLID
GROUND
3' FILTER FABRIC
ON €,ROLJND NOTES;
1, Hardware cloth and gravel should overlay the silt fence at least 12 inches.
. tvne outlets should be placed on low elevation areas of silt fence and
based on field conditions.
MAINTENANCE:
1. Per NCG-01, inspect outlet nt lest once a week and after each 1 inch
or greater rairiraII event. Complete any required repairs immediately,
BURY s' OF UPPER EDGE OF Freshen stone when sediment accumulation exceed; 6 inches- Keep
FILTER FABRIC tN THE NCH
mesh free of debris to provide adequate flow.
- Remove sediment when half of stone outlet is covered-
3. replace stone as needed tafaciIitate de -watering.
SILT FENCE OUTLET
Construction:
1, Clear the entrance and exit area of all vegetation, roots,
and other objectionable material and properly grade it-
2. Place the gravel to the specific grade and dimensions
shown on the plans, and smooth it-
3. Provide drainage to carry water to a sediment trap or
other suitable outlet-
4. Use geotextile fabrics in order to irrlprove stabiIityr of the
foundation in locations subject to seepage or high water
table -
NORTH [ARtOLINA
Maintenance..
1- Per NCG-01 inspect at least�r�ce a week and after each 1
inch or greater rainfall-, make any required repairs
immediately-
2. Maintain the gravel }gad in a condition to prevent mud or
sediment from leaving the construc#Eon site- This may
require periodic topdressing with 2 inch stone.
3- ImmediateIy remove all objectionable rnaterial�
washed or tracked onto public roadways,
AEn++tronrrterttai'ucrftty� CONSTRICTION ENTRANCE/ EXIT
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f1 NORTH CAROUNA
En v1r0arr«errr01 Qrr01lty
1, it fttrtcled,1` -@Lh pmbadiorl fmr v :Mould
be i%toIW a�ortg the buffer ate, wdll
tr ry ar' so arjrid -pnbtadked treft
providling -a radi415 of at i ts( 1,26 foot W
Gf'1 Ili -of trwik d Imum.
-Irk t 1= Itvlry
s1des lof ewh Iol. ImaII alit rence Kw#ets
:9I10A 611 ingfOH'I ;Ind FaNd
� , if Hers, fir plr�leel� al
I&W pi kus. If 49 N& r,&*106L1S and 11-
-dilter:en>t I -and z5wnRr i or Bull' $, each I
sMould hwe 1r)div 0 Lo 18 Ill FiwceS.
. Inaten oV ired SLIt Fe me nth irl 113 Tfi�o5A�Irof
..y
L47F 1�IRF1
pr ny mike to en awe II'e is fie
idkh +dt rn.It#s r_esp ibWty
of 6e buMw 63 ensure tfw instalWlim ot
-sedlrri rt ccrrta'lad meaawim ri at
onstruat+ar, F it l xit IS
td bE� trtttiIIEM per 16t.
5, Waste bins -a rid ether -firers dedicated flor
mnrtagirig builloirig rr�. ertal waste shon be
at least filet away ffciM tbb- 'fi $`
k eft -or- drainage ditch -es unless It i be
sfti n MtW other a116wMahve ci��tsl, if
this par !OM ta�r9rkot 1 l'11�, �
Firers must be �blilall9 teF�d t
. Ier><arF.�r:
F-e n .
1=1 D�II E 'i1 1
6. Inlets vnWeam >�f &1Eur nee-. should
De pvoteoea: streets dvmM be swpt
$ILT' FEWE
w tiirr t fx rii f ttJ #i s1
E I f 4€ Eir DITCH -Ta-iw...�
Nity N. preSArit.
'a ADOL E! l.TSW
T. beta IIS for Ill fern, got F ��udims.
;�MWWCSOn Entr�ri� gr1rd
SILT FE-MCE Tt�T
wwo"r are provld�d cm -jd�#Wm l
COUSTRI TI0I4 ERTRA E
-sheers, Ero Aim sedIme�l ooritrol
tails �t drawn fib male_
T PiCAL IWDIVI UAL LOT LAYOUT WITH ROAD IUE DITCHES
CIVIL EXINEERIM I LAND SOLUTIONS
FROM CONCEPTION TO COMPLETION"
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