C501 EC Details_20190718

LaBe' Ra
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Winston-Salem, NC 27103
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C#0430
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(SURGE TONE) AS 12'M111N
REQUIRED
CONSTRUCTION SPECIFICATIONS
1,CLEAR DIE ENTRANCE AND EXIT AREA OF ALL VEGETATION,POUTS,AND OTHER OBJECTIONABLE
MATERIAL AND PROPERLY GRADE IL
2,PLACE THE GRAVEL TO THE SPECIFIC GRADE AND DIMENSIONS SHOWN ON THE READS AND
SMOOTH IT,
3. PROVIDE DRAINAGE 70 CARRY WATER TO A SEDIMENT TRAP OR OTHER SU➢ABLE OUTLET.
4,USE NONWOVEN GEOTEXTILE FABRICS BECAUSE THEY IMPROVE STABILITY OF THE:FOUNDATION IN LOCATIONS
SUBJECT TO SEEPAGE 08 NIGHT WATER TABLE SEEDING
raA!tJTBNANCE, SOIL AND VEGETATION
MAINTAIN THE GRAVEL PM IN A CONDITION TO PREVE14T MUD OR SEDIMENT FROM LEAVE NG THE
CONSTRUCTION SITE THIS MAY REQUIRE PERIODIC TOP DRESSING WITH 2 INCH STONE, AF7EREACH PER NC WILDLIFE REQUEST,OVER SEED DISTURBED AREA WITH A MIXTURE OF RED CLOVER,
RAINFALL,INSPECT ANY STRUCTURE USED TO TRAP SEDIMENT AND CLEAN IT OUT AS NECESSARY, CREEPING RED FESCUE,AND A GRAIN SUCH AS RYE,OAT OR WHEAT. THE SEEDING MIXTURE,
IMMEDIATELY REMOVE ALL OBJECTIONABLE MATERIAL SPILLED,WASHED OR TRACKED ONTO PUBLIC SEEDING RATE,AND SOIL PREPARATION IS TO BE DETERMINED BY AN ENVIRONMENTAL
ROADWAYS.
PROFESSIONAL AND SUBMITTED PRIOR TO APPLICATION.
10 `TEMPORARY CONSTRUCTION ENTRANCE s- ,PERMANENT SEEDING SCHEDULE --
0501 / __. ..__ __. _...C501
©2019 LaBella Associates j
CONCRETE
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DEWATERING �,- BLOCK
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TRAP OUTLET ART :
APRON LENGTH NONWOVEN EXTRA STRENGTH PER US 2:1 SLOPE. �6"OIA PRAP
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FABRICS (US 205 NINCDOT TYPE 2• GRAVEL FILTER 1>
L9'
�18, OR APPROVED EQUIVALENT TEM11PORARV WARNED WIRE SCREEN
oWnuv SEDIMENT STONE 1
POOL WIRE SCREEN
Jawsrmrs avAuclmnnu exclwn PrnumlN sFP.TIONn-A
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2 MAX. 16'
APRON
THICKNESS ' �
INSTALLATION OF NETTING AND MATTING SECTION A-A .�.1
CONSTRUCTION SPECIFICATIONS
PRODUCTS DESIGNED TO CONTROL EROSION SHOULD BE INSTALLED T
IN ACCORDANCE WHY{MANUFACTURER'S INSTRUCTIONS.ANY MAT CONSTRUCTION SPECIFICATIONS: SEDIMENT DROPINLET 1. ENSURE THAT iHF.SUOGPADP FOR THE RIPRAP FOLLOWS THE BECOME[I LINES pHD
OF BLANKET-TYPE PRODUCT USED AS A PROTECTIVE MULCH SHOULD I.ENSURE THAT THE SUBGRADE FOR THE FILTER AND RIPRAP FOLLOWS THE REQUIRED LINES AND GRADES VATH GRATE GRADES SILOWN IN THE PLAN.COMPACT ANY RLL.REQUIRED IN THE S'JGGRADE TO
PROVIDE COVER BEAT LEAST 30`%OPTIC SURFACE WHERE IT IS APPLIED, SHOWN ILL THE PLAN,COMPACT ANY FILL REQUIRED Ili THE SUBGRADE TO THE DENSITY OF THE 7IIEDF.t:SITYOFPiESURROUNDIHGUNOISTUITBEDIIATERIAL.LOWAREASINTHE
SURROUNDING UNDISTURBED MATERIAL LOWAREAS IN THE SUBGRADE ON UNDISTURBED SOIL MAY SECTION SUBGRADE ON UNDISTURBED SOIL RAY ALSO BE CUM BY INCREASING THE RIPRAP
ALSO RE FIT ED BY INCREASING THE RIPRAP THICKNESS. CONSIFlUC710N SPECIFICATIONS: THICKNESS
t.APPLYOME,FERTILIZER AND SEED BEFORE LAVING THE NET OR MAT. 2, TI IF RIPRAP AND GRAVEL FILTER MUST CONFORM TO THE SPECIFIED GRADING LIPAITS SHIPYN 014 THE 2.RIPMP MAYI THICK BE NESS D BY
BIPOLAR
I
IF OPIRLWFAVE NETTING 13 USED,LIME MAY BE INCORPORATED BEFORE PLANS. i.LAVE ONE FLOCK ON EACH SITE OF THE STRUCTURE ON ITS SIOE IN THE BOTTOM ROW TO ALLOW P001. 3 THE MINIJ,IVA1 THICKNESS OF THE RIPflAP SHOULD BE 7.5 TIMES➢{f.MAXIMUM STONE
INSTALLING THE NET AND FERTILIZER AND SEED SPRAYED ON AFTERWARD. 3. FILTER CLOTH,WHEN USED,MUST MEET DESIGN REQUIREMENTS AND BE PROPERLY PROTECTED FROM DRAINAGE.THE FOUNDATION SHOULD BE EXCAVATED AT LEAST 2-INCHES BELOW THE CREST OF THE DIAMETER.
PUNCHING OR TEARING DURING INSTALLATION.REPAIR ANY DAMAGE BY REMOVING THE RIPRAP STORM CRAIG. PLACE THE BOTTOM ROW OF BLOCKS AGAINST THE EDGE OF THE STORM DRAIN FOR 4,RIPRAP MAY BE FIELD STONE OR ROUGH QUARRY STONE.IT SHOULD BE HARD,
2.START LAYING THE NET FROM THE OW NE THE CHANNEL OR SLOPE THE
LATERAL SUPPORT AND TO AVOID WASHOUTS WHEN OVERFLOW OCCURS.IF NEEDED,GIVE LATERAL ANGULAR,HIGHLYWEATHER RESISTANT AND WELL GRADED,
AHOTSSHOUDACING OVERRPIA FAQINIUMO IRECLO IF THEVER DANIAGTHE 15 ETENSIVALLLACE TIDNG
UNROLL li DOWN THE GRADE.ALLOW NETTING TO LAY LOOSELYONTtiE SUPPORT TO SUBSEQUENT ROYJS BYPLACIt1G2x4'V1000$TU0S7HROUGH BLOCK OPENINGS, S.f,ONSiflUCT THE APRON ON ZERO GRADE.WITH NOOVcRFALL AT THE ENO.MAKE THE
i
JOINTS SHOULD OVERLAP A rdINIdUh1 OF 1 Fi.IF THE DAMAGE IS EXTENSIVE,REPLACE TI IE ENTIRE SOIL BUT WITHDW WRINKLES-DO NOT STRETCH. TOP OF 7JIE RIPM.P A7 TtiF DOWNSTREAM EtJDtEI'EL'NITII THE REGEMNG AREA OR
FILTER C AYB 2. BLOCK OPENINGS
HARDWARE CLOVE ON PLACE
AMOLE WIRE MESH WiTIi OPENINGS ALLBit3 TON6-INETHE NET,COVER UPSLOPE END INASLOTOR AS SHOLNO LESS /2- SLSURET THAT
IT.
4.flIPRAP MAYBE PLACED BY EQUIPMENT,BUT TAKE CARE TO AVOIDCAh1AGING THE FILTf.H. BLOCK OPENINGS TO HOLD GRAVEL IN PLACE.
THAN DETAIL, STAPLE
THE GET IR1 SOIL,2-IAND HES ACROSST STOP END
T F. ENSURE THAT THE APRON IS PROPERLY FEIGNED WITH THE RECEIVING STREAd AND
5.THE MINIMUM THICKNESS OF THE RIPRAP SHOULD BE 1.571M H THE PBE HARM STONE DIAMETER. 3
THIS DETAIL. STAPLE 7FIE NET EVERY I7..-INCHES ACROSS THE TOP END AND 3. ON A 2:11 SLOPE OR I-iD SMOOTH
DIAMETER,PLACED DDT
ASHEDHTONE IS THE BLOCK CONDITIONS.
PLACE ii THEUGIf01R ITS ECTION LENGTH IFAGORVE IS OWEDEDIDFR SITE
6.RIPRAP 41AV BE FIELD STORE OR ROVGII QUARRY STONE. IT SHOULD RE HARD,ANGULAR,HIGHLY AN FARE LAID SIDE BOUND THE EDGES AND EDGES SHOULD BE STRIPS OF RECOMMENDED,
ENDEDOR FLATTER AND SN1004i li TO AN EVEN GRADE.DDi#57 WASHED STONE.IS COMOHIOtES,PLACE C N STR UPPER SECTION FALL DISTUIN.
WEATHER-RESISTANT AND WELL GRADED. p'�'9 gp
NET ARELAIDSIED BY TOGETH THE ER.EACH
EDGESSOULD ALSO
RECOMAMENDED. 7. P,1NIEDIATEIY AFiEft CONSTRUCTION,SiFl01l¢E .LCDITl1BBEOANF.AS VVIiIi VEGETATION
. ��� �a1�A UP9'I��
7.CONSTRUCT THE APRON ON ZERO GRADE PATH ND OVERFALLAT THE END.MAKE 1tIE TOP OF 71{E ®tl{F/f
34NCHES STAPLED i0GET1{ER.EACH STRIP OF NETTING SHOULD ALSO BE p STAPLED DOWN THE CENTER,EVERY 3 FT.DO NOT STRETCH THE NET WHEN
RIPRAP AT THE DOWNSTREAM END LEVEL VETO THE RECEIVING AREA OR SLIGHTLY BELOW H. h1AINTFNANCE:
APPLYING STAPLES. B.ENSURE 711AT THE APRON IS PROPERLY ALIGNED WITH THE REGEMNG STREAM AND PREFERABLE 1. INSPECT THE BARRIER AUER EACH MIN AND MAKE REPAIRS AS NEEDED.
STRAIGHT THROUGHOUT ITS LENGTH.IF A CURVE IS NEEDED TO FIT SITE CONDITIONS,PLACE.IT IN THE 2.REMOVE SEDIMENT AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR SUBSEQUENT MAINTENANCE
MAINTENANCE: UPPER SECTION OF THE APRON. RNr15.
9. IMMEDIATELY AFTER CONSTRUCTION,STABILIZE ALL DISTURBED AREAS WITH VEGETATION. INSPECT BECAME OUTLET TRUCTURES AFTER HEAVY RAINS TO SGG IGAW EROSION
INSPECT ALL MULCHES PERIODICALLY,AND AFTER RAINSTORMS TO CHECK 3,WHEN THE CONTRIBUTING DRAINAGE AREA HAS BEEN ADEQUATELY STABILIZED,REMOVE ALL AROUND OR BELOW THE RIPRAP HAS TAKEN PLACE Oil IF STONES HAVE BEEN
FOR RILL EROSION,DISLOCATION,OR FAILURE.WHERE EROSION IS OBSERVED, MAINTENANCE: MATERIALS AND ANY UNSTABLE SOIL AND EITHER SALVAGE OR DISPOSE OF IT PROPERLY.BRING DISLODGED.IMMEDIATELY MAKE ALI.NEEDED REPAIRS TO PREVENT FURTHER
APPLY ADDITIONAL MULCH.IF WASHOUT OCCURS,REPAIR THE SLOPE GRADE, INSPECT RIPRAP OUTLET STRUCTURES AFTER HEAVY RAINS TO SEE IF ANY EROSION AROUND OR BELOW THE DISTURBED AREA TO PROPER GRADE,THEN SMODTII AND COMPACT IT.APPROPRIATELY DAMAGE,
RESEED,AND REINSTALL MULCH.CONTINUE INSPECTIONS UNTIL VEGETATION THE RIPMP HAS TAKEN PLACE OR IF STONES HAVE BEEN DISLODGED.IMMEDIATELY MAKE ALL NEEDED STABILIZE ALL BARE AREAS AROUND THE INLET.
IS FIRMLY ESTABLISHED. REPAIRS TO PREVENT FURTHER DAMAGE.
TEMPORARY BLOCK TEMPORARY SEDIMENT
B ,,CHANNEL PROTECTION , 7 ^,,RIP RAP OUTLET PROTECTION B . ^,AND GRAVEL DROP INLET PROTECTION 5 TRAP RIP RAP OUTLET PROTECTION
C501 �^ C501 ! 0501 C501 `
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IXKF�
4'MIN.
�y (
1 $ NEW RIPMPTO HELD OPEC STAKES 3:1 SMAT _
A 7 EXPEND TO TOP EXISTING
MIN. COFSGECHNGHANNEL
BOTTOM WIDTH GRADE WIRE SLUDGE
- PG" Z / - NO: DATE: DESCRIPTION::
o df� z 1� �1 ITS _
CHANNEL BANKS SI1PPoRi FENCE m '�F SQ \ uu EA
U o -�- P1ATiC �� REVISIONS
OR'
O OQ STEEL POST TYP- PIPE(PF,R FLAN} I� ( ---
R °� - °G° DL7EnFABRIC - COMPACTEDVILL I- PROJECT NUMBER:
ABRIC �i � ) oUILEf2E 1���E INLET I FLOW 2190335
CONTROL STONE _ DRAWN BY:
WASHED STONE
(B°TOP LAYER) mRIPRAP j0 m _ _ ° Qo1L KCG/ATC
_O �V4 712'
URY ENDS OF THICKNESS MATERIAL SPECIFICATIONS: �� H a c STONE INLET
J�oQ w FILTER FABRIC REVIEWED BY: PAS
E z 1.USE A SYNTHETIC FILTER FABRIC OF AT LEAST 95%B"VEIGHT OF POLYOLEFINS OR POLYESTER, AUW Qj PROTECTION
FILTER '+' MINIMUM O
FABRIC ,:J $ ^'@j TYPICAL MINIMUM'G50'STONE IS CERTIFIED BYTHEMANUFACTUREROR SUPPLIER AS CONFORMING TO THE REOUIREMENTSINBEEN
4'M111N. (TYP,)
SIZE AS INDICATED LEVEL - -
2.SYNTHETIC ALLEN FABRIC SHOULD CONTAIN ULTRAVIOLET RAY INHIBITORS AND STABILIZERS. SECTION - ISSUED FOR: �(}} •�-L� (�-T- /�
SECTIONA-A 3, ENSURE T14AT POSTS FOR SEDIMENT FENCES ARE133 LOhINEAR FEET STEEL WITH A MINIMUM LING711 CONSTRUCTION
IIUiJ I Il1N
FILTER FABRIC TYPICAL' OF 5-ffM MAKE SURE THAT STEEL POSTS HAVE PROJECTIONS TO FACILITATE FASTENING THE FABRIC. �l C
4.FOR REINFORCEMENT OF STANDARD STRENGTH FILTER FABRIC,USE WIRE FENCE WED{A MINIMUM 14- PLANMLW
CONSTRUC710N SPECIFICA710NS: GRADE AND A MAXIMUM MESH SPACING OF 6 INCHES,
STANDARD T-SEfiION
i. PLACE STONE TO THE LINES AND DIMENSIONS SHOWN IN THE PLAN ON A FILTER SHORTAGE PREPARATION-PREPARE THE SUBGRADE FOR RIPRAP AND FILTER TO THE REQUIRED LINES DATE:FABRIC FOUNDATION. AND GRADES INDICATED ON THE PANS.COMPACT ANY FILL REQUIRED IN THE SUBSIDIES TO A
CONSTRUCTION SPECIFICATIONS CONSTRUCTON SPECIFICATIONS 7/1 8/1 9
2. KEEP THE CENTER STONE SECTION AT LEAST 9 INCHES BELOW NATURAL GROUND DENSITY APPROXIMATING THAT OF THE SURROUNDING UNDISTURBED MATERIAL OR OVERFILL I 1.CONSTRUCT THE SEDIMENT BARRIER OF STANDARD STRENGTH OR EXTRA STRENGTH SYNTHETIC FILTER ACOMMON FAILURE OF SLOPE DRARIS IS CAUSED I3Y WATER SATURATING THE SOIL
LEVEL WHERE THE DAM ABUTS THE CHANNEL BANKS DEPRESSIONS WITH RIPRAP.REMOVE BRUGH,TREES.STUMPS AND OTHER OBJECTIONABLE MATERIAL. FABRICS. AND SEEPING ALOM THE PIPE AILS CREATES VOIDS FROM CONSOLIDATION AND
CW THE SUBGRADE SUFFICIENTLY DEEP THAT THE FINISHED GRADE OF THE RIPRAP WILL BE AT THE 2, ENSURE THAT THE HEIGHT OF THE SEDIMENT FENCE DOES NOT EXCEED IFNBCHES ABOVE THE GROUND P INGANOCNRESWASHOUT&Pl1OPERFACKFILLINGAROUNDAt1D@4DERTHE I
3, EXTEND STONE AT LEAST 1,5-F7 BEYOND THE DITCH BANKS TO KEEP OVERFLOW ELEVATION OF ME SURROUNDING AREA.CHANNELS SHOULD BE EXCAVATED SUFFICIENTLY TO ALLOW SURFACE(HIGHER FENCES MAY IMPOUND VOLUIAES OF WATER SUFFICIENT TO CAUSE FAILURE OF THE PPE'HAUNCIT ES'W iH STABI E SOII.MATERIAL ADD HAND COMPACTION IN 6INCH DRAWING NAME:
WATER FROM UNDERCUTTING THE DAM AS IT RE-ENTERS THE CHANNEL PLACEMENT OF THE RIPRAP IN A MANNER SUCH THAT THE FINISHED INSIDE DIMENSIONS AND GRADE STRUCTURE).
L JETS 70 ACHIEVE CUM CONTACT BETWEEN THE PIPE AND THE 901E AT ALL.POINT S Witt
i
� OF THE RIPRAP MEET DESIGN SPECIFICATIONS. I 3.CONSTRUCT THE FILTER FABRIC FROM ACONTIGUOUS ROLL CUT TO THE LENGTH 0F THE BARRIER TO EI PMINAiE THIS TYPE OF FAR TOE I
4, SET SPACING BETWEEN DAMS TO ASSURE THAT THE ELEVATION AT THE TOP OF THE AVOID JOINTS,MIE14 JOINTS ARE NECESSARY,SECURELY FASTEN THE FILTER CLOTH ONLY AT
vi LOWER DAM IS THE SAME AS THE TOE ELEVATION OF THE UPPER DAM. SYNTHETIC FILTER FABRIC-PACE THE FILTER FABRIC DIREGILVON THE PREPARED SUFFRAGE OVERLAP SUPPORT POST WITH OVERLAP TO THE NEXT POST. I, PLACE SLOPE DRAINS ON UNDISTURBED S01L OR 1^JEL6CULiPf.CTEU FILL A7 LOftSIGhIS
m THE EDGES BYAT IEAST 12-INCIIES AND SPACE ANCHOR PINS EVERY 3-FEET ALONG THE OVERLAP.BURY 4,SUPPORT STANDARD STRENGTH FILTER FABRIC BY WIRE MESH FASTENED SECURLY i0 THE UPSLOPE SIDEG OWN y 5.PROTECT THE CHANNEL DOWNSTREAM FROM THE LOWEST CHECK DAM, THE
UPPER AND LOWER ENDS OF THE CLOTH A MININIUM OF 12-INCHES BELOW GROUND.TAKECARE OF THE POSTS USING HEAVY DUTY TIE WIRES.EXTEND THE MERE TIME SUPPORT TO THE BOTTOM OF THE SLIGHTLY
GELEVA71OPE illSFGONT HF PLANS.
t CONSIDERING THAT WATER WILL FLOW OVER AND AROUND THE DAM. 2. SLIGIIiIV SLOPE SEGiIOtl OF PINE UNDER THE LIKE TOWARD 17S OUTLET,
N NOT TO DAMAGE THE CLOTH WHEN PLACING RIPMP,IF DAMAGE OCCURS,REMOVE THE RIPMP AND TRENCH
B MAKE SURE THAT THE CHANNEL REACT{ABOVE THE MOST UPSTREAM DAM REPAIR THE SHEET BY ADDING ANOTHER LAYER OF FILTER MATERIAL WITH A MINIMUM OVERT AP OF 5.WHEN A WIRE MESH SUPPORT FENCE IS USEO,SPACE POSTS A MAXIMUM OF B FEET APART.STEEL 3. fiANU TARll'iHO SOIL I1tJ0Ei;AND AROUND 7HE ENIFlANCE SECTION IN LIFTS tJ(Ti TO
SS IS STABLE Ili
6 INCHES.
ax THE
SHEET THE DAMAGED AREA.IF EXTENSIVE DAMMAGEISSUSPECTED,REMOVE AND REPLACE WIRESUPPORTPOTSSRT FENCE DRIVEN LSHALLYINTO AGRICU ROUND TOATY MINIMUM GAGENNINCHES, ypyM��qq �®�g� yNg i
AD Z CHECK THAT ENTRANCES BELOW N{EENTIRESHEET EROSION AND
i STEEL
MESH WITH
4 FENCE MATERIAL SHALL BE AGRICULTURALQUALI7V f 4 GAGE ANNEALED 4. ENSURE THAT FILL OVER THE DRAIN AT IQ7 AND E SLOPE HAS N:INIMUhi
C9 CHECK DAMAS,ARE NOT SUBJECT TO DAMAGE OR BLOCKAGE FROM DISPLACED ' BTEEL WIRE V417H A 4'x 5°MAX.SPACING PATTERN. 016".ENSIOiJS OF i�Fi.OEF'DI,4 U.TOP WIOii I AM1O 3:1 46E SLOPES.
�
STONES. WHERE LARGE STONES ARE USED OR MACHINE PLACENIEW IS DIFHCULY,A 4 INCH LAYER OF FINE 6.IXFM FT STRENGTH FILTER FABRIC WITH 6 POST SPACING DOES NOT REQUIRE WIRE MESH SUPPORT 5. ENSURE RIAI ALL SLOPE DRAIN CONNECTIONS ARE WATERTIGHT.
i I GRAVEL OR SAND MAY BE NEEDED TO PROTECT THE FILTER CLOTH FENCE,TIE WIRE 7HE FILTER FABRIC DIRECTLY 7O ROB 15, SEDIMENT
E c�'T TAAINTENANCE' T EXCAVATE A TRENCH APPROXIMATELY 4-INCHES WDE AND B-INCHES DEEP ALONG THE PROPOSED C EXX%SEDRF,THAI SECTION OF II{F DRAIN 4NT11AT I FIT L MATERIAL ISFGROMMETS OR STAKES SPACED 14000RE CONTROL
m > 1.INSPECT CHECK DAMS AND CHANNELS FOR DAMAGE AFTER EACH RUNOFF STONE PLACEMENT-PLACEMENT OF RIPRAP SHOULD FOLLOW IMMEDIATELY AFTER PLACEMENT OF THE LINE OF POSTS AND UPSLOPE FROM THE BARRIER. DEAD IPFEF7 APART.
Y - EVENT. FILTER FABRIC.PLACE RIPRAP SO THAT IT FORMS A CLOSE,WELL GRADED MASS OF STONE WITH A B.BACKFILL THE FRENCH WITH COMPACTED SOIL PLACED OVER N IE FILTER FABRIC.
OF THE '1.EXTENT IT IF DRAIN BEYOND THE TOE OF THE SLOPE AND ADEQUATELY PROTECT THE D ETA,
o .- 2.ANTICEROSION ATE
NCE AROUND DEPOSTHE EDGES
ABOVE THE CHECK DAM CORRECTALL MINIMUM EVE LOADING
THAT THE QUDIRY AND(IONTROLLED DUMPING
GFINAL5 LMAY ENT.OBTAINED 9. DO IIOi ATTACK FILTER FABRIC TO EXISTING TREES. OUTLET FROM EROSION.
'C U EROSIONMMEDIATELYAROUNDTCANT EROSION
CURDAM CORRECT ALL BY PLACE
RIPRAP
ELOADTS FULL THICKNESS
ONE
OPERATION ODO NOT PEACE
BY DIUMING
DLS
O PLACE PIPRAP TO ITS FULL Tt{ICNNESS IN ONE OPERATION. W NOT PLACE RIPRAP BY OVhdPItIG 8,MAKE Off:SE7It EILEVE COMPACTED DIKE RIDGE NO Lk SS THAN i-FEET ABOVE 111E TOP
LryQ DAMAGE,PROTECTIVE IF LINER IN EROSIONOCCURS HE CHANNEL.
THROUGH ROOTS OR OTHER METHODS THAT CAUSE SEGREGATION OF STONE SIZES.TAKE CARE NOT MAINTENANCE OF THE PIPE AT EVERY POIhJi.
m INSALL A PROTECTIVE RIPRAP LINER IN THAT PORTION OF THE CHANNEL TO DISLODGE THE UNDERLYING BASE OF FILTER FABRIC WHEN PLACING THE STONES. i.INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE Ally REQUIRED 9.IMMEDIATELY STABILIZE AIJ.DISTURBED AREAS 101 LOWING CONSTRUCTION.
3,REMOVE SEDIMENT ACCUMULATED BEHIND THE DAMS AS NEEDED TO PREVENT REPAIRS IMMEDIATELY.SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE,TEAR,DECOMPOSE OR
DAMAGE TO CHANNEL VEGETATION,ALLOW THE CHANNEL TO DRAIN THROUGH IHE FINISHED SLOPE SHOULD BE FREE OF POCKETS OF SFMALL STONE OR CLUSTERS OF LARGE STONES, BECOME INNEFECTIVE,REPLACE IT PROMPTLY.REPLACE BURLAP EVERY 60 DAYS. MAIN fFNANCE. DRAWING NUMBER:
Ca THE STONE CHECK DAM AND PREVENT LARGE FLOWS FROM CARRYING SEDIMENT HAND PLACING MAY BE NECESSARY TO ACHIEVE THE PROPER DISTRIBUTION OF STONE SIZES TO
`t E OVER THE DAM.ADD STONES TO DAMS AS NEEDED TO MAINTAIN DESIGN WEIGHT PRODUCE A RELATIVELY SHOULD,UNIFORM SURFACE.THE FINISHED GRADE OF THE RIPRAP SHOULD 2, REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE
cRIPRAP
AND CROSS SECTION. BLEND GRADE) SURROUNDING AREA. NO OR PROTRUSION OF RIPRAP NEXT RAIN AND TO REDUCE PRESSURE ON THE FENCE,TAKE CARE TO AVOID UNDERMINING THE INSPECT THE SLOPE ORAIN AND SUPPOR71NG DIVERSION AFT ER EVERY RAINFALL
tV V AND PROMPTLY MAKE NECESSARY REPAIRS.t411Ftl RiE PRO7F.CiEQ AREh HAS BEEN
rn SHOULD BE APPARENT WHICH WOULD IMPNn STREAM FLOWS FENCE OARING CLEAIJOUT.REMOVE ALL FENCING MATERIALS AND UNSTABILIZED SEDIMENT DEPOSITS. PERMANENTLY STABILIZED,IEMPORARY MEASURES MAY BE REMOVED,MATERIALS
0 0 BRING THE AREA 70 GRACE AND STABILZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED. DISPOSED OF PROPERLY,AND ALL DISTURBED AREAS STABILIZED APPROPRIATELY
N Fc
4 TEMPORARY GRAVEL CHECK DAM a RIP RAP CHANNEL PROTECTION 2 ,TEMPORARY SEDIMENT FENCE �'' 1 ,TEMPORARY SLOPE DRAIN
E N C501� A501 / C501 / C501 f
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