SW3240305_Plansheet - Misc. Detail_20240604 (4)

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ONSITE CONCRETE SHOUT ``,,,.`o��H BAR°�''�%'''; o
�2 MIN. 2 MIN. Q��FESS%p'•!�Ly',/ of
E Lu
STRUCTURE WITH LIFER - U)
_ 029501
18"
COMPACTED - - - =111 111 II'
1(Y-0'MIN. STEEP CUT - - - -
A O R FILL = ,�i FHGINE�`
SLOPE =lllllllil� '/�''� ���`� Q
0 CD c CD
SANDOR AAPLE�TYP.) III= 1' :1 SLOPE(MAX) o
I 1 o r,�I L -1 II 1 12/12/2023
1:1 PLASTIC SANDBAGS P.) -STABILIZE DIVERSION DITCH WITH p O
A SIDE SLOPE LINING OR STAPLES l7 l7 l7
CROSS SECTION TEMPORARY SEEDING AND EROSION w w w � �u Q
(TYP.)
a CONTROL NETTING. � � � Q � O
= 0 �' � � � UPSLOPE TOE m
POSITIVE GRADE 5.0%MAX.
SIDE SLOPES �2' MIN.
2:1 (MAX) p
CLEARLY MARKED 31 GNAGE SECTION AA � � o
C-ONICRETE NOTINGDEVICE (1WXc2VMIN.) _
WASHOUT NOTES Q
1 AL LOCATION DETERMINED IN FIELD \ \ \ \ \ \ of
w
2.THE CONCRETE WASHOUT STRUCTURES SHALL BE � � � � � � � � � � � \ � � � � � � � \ � � � \ � � � 0 O
MAINTAINED MIEN THE LIQUID ANDJOR SOLID REACHES � � � � � � w Q
75% OF THE STRUCTURES CAPACITY. =a
0
EI.AN3.CON�CRETE WASHOUT STRUCTURE NEEDS TO SE EEP CUT OR FILL SLOPE �o
GI_f Aft MARKED WITH SIGNAGE NOTING I�F4�10 w-
UQ
Z of IN
BELOW GRADE WASHOUT STRUCTURE PLAN VIEW o Y w
of
NOT TO SCALE GENERAL NOTES: W = J o
Lu U zQ
1. DIVERSION TO BE USED TO CONVEY SEDIMENT LADEN WATER INTO AN APPROVED EROSION � coo z
AND SEDIMENT CONTROL BMP. Y cn Lu
Lu
HIGH 1')'-u" MIN. SANDBAGS (TYP j 2. IMMEDIATELY LINE AND STABILIZE BEFORE ANY DOWNSLOPE GRADING BEGINS(STABILIZATION z o�
COHESIVE & B OR STAPLES MUST OCCUR BEFORE ISSUANCE OF A CERTIFICATE OF COMPLIANCE).STABILIZATION METHOD O a�
LOW FILTRATION � 3:
SOIL BERM 10 MIL HIGHESIVE IS BASED ON VELOCITY OF DRAINAGE. u "' w a=
CDvni
PLASTIC LINING LO�h FILTRfsTION 3. DIVERSIONS SHOULD ONLY BE USED FOR DRAINAGE AREAS 5 ACRES OR LESS. w o
1:1 SIDESLOPE SOIL BERM 4. MINIMUM LONGITUDINAL SLOPE OF DIVERSION SHALL BE 0.3%. ~ � z w D
LU
z �? (TYP.) 5. DEPTHS SHOWN SHALL BE FINAL AFTER SETTLEMENT.CONTRACTOR SHALL BE RESPONSIBLE z zo
FOR ADJUSTING DITCHES IN FIELD TO MEET DESIGN CRITERIA IF SETTLEMENT OCCURS. u � u a-
a 6. REFER TO SKIMMER BASIN DETAIL FOR DIVERSION DITCH/SKIMMER BASIN ENTRANCE. O U O U
ZU
g I _ CONSTRUCTION SPECIFICATIONS p LL O 0 LL p Z
3c 'r`�` w w w pp Q 0
SECTION Ei-ES Z) Z) Z) 2 U a
1. REMOVE AND PROPERLY DISPOSE OF ALL TREES,BRUSH,STUMPS,AND OTHER Q a
OBJECTIONABLE MATERIAL. - - - z w
B 2. ENSURE THAT THE MINIMUM CONSTRUCTED CROSS SECTION MEETS ALL DESIGN N N N w o
REQUIREMENTS. oN oN NN =>-
SANDBAGS P.) NOTES: u tD -j o Z
OR STAPLE 1.ACTUAL LOGATIC}N DETERMINEQ IN FIELC 3. ENSURE THAT THE TOP OF THE DIKE IS NOT LOWER AT ANY POINT THAN THE DESIGN w D Z Q w Q
ELEVATION PLUS THE SPECIFIED SETTLEMENT. Ln -t p Q o
CLEARLY MARKED 81GNAGE 2.THE CONCRETE WASHOUT STRUCTURES 4. PROVIDE SUFFICIENT ROOM AROUND DIVERSIONS TO PERMIT MACHINE RE-GRADING AND r r N 0 of a
NOT 1WX2a"IM.iIN- z aof
fi�N�RETIE ( � SHALL BE I�INTAInIE�G+NriEN THE LI{�4JII~ CLEANOUT.
co a O
WAS14OUT ?4ND10R SOLID REACHES 75%OF THE 5. VEGETATE THE RIDGE AND CHANNEL IMMEDIATELY AFTER CONSTRUCTION,UNLESS IT WILL o Z W o a
STRUCTURES CAPACITY TO PROVIDE REMAIN IN PLACE LESS THAN 30 WORKING DAYS. p z Z
AQEQUATE HOLDING CAPA,�CITY SMITH A
U)a
MINIMUM 12 INCHES OF FREEBOARD. MAINTENANCE: LO C o
r- (5 J
PLAN INSPECT TEMPORARY DIVERSIONS DAILY AND REPAIR,AS NECESSARY AND FOLLOWING EVERY RAINFALL o
3.00NCRTE WASHOUT STRUCTURE NEEDS
TO BE CLEARY MARKED WITH SIGNAGE EVENT OF GREATER THAN 1/2"WITHIN A 24HR PERIOD. IMMEDIATELY REMOVE SEDIMENT FROM THE FLOW 00 6 ��
NOTING DEVICE. o z N z z
AREA AND REPAIR THE DIVERSION RIDGE.CAREFULLY CHECK OUTLETS AND MAKE TIMELY REPAIRS AS
ABOVE GRADE WASHOUT STRUCTURE I Z c:) �o
DIVERSION RIDGE NEEDED.WHEN THE AREA PROTECTED IS PERMANENTLY STABILIZED,REMOVE THE RIDGE AND THE CHANNEL ILLO N Q w
N OT TO SCAL E 00 w U)
TO BLEND WITH THE NATURAL GROUND LEVEL AND APPROPRIATELY STABILIZE IT. o Q U) N OD
CONCRETE WASHOUT TEMP.DIVERSION DITCH SCHEDULE w� � J =o
BOTTOM SIDE SLOPE CHANNEL CHANNEL PERM. TEMP. IN. TOP WIDTH RIPRAP `�Z w U) W o
EXISTING PAVED �� °° - aa�°°g v TDD WIDTH FT H:V GRADE LENGTH LINING LINING OFLINING FT DEPTH IN °'w W Q
ROADWAY - 1=III=III=III=1 - - -III- SCALE: NONE ( ) ( ) ( ) ( ) } J Z � 0
=11=11=11=11=II-III-I1=11-11= =11=11=1 Q z z
III III I!=1TI=1Ti_ -1I1-1I1- " -1I1- °' J
1 0 3:1 1.0% 240 LF GRASS STRAW W/NET 6 N/A -�_ cn U w
GEOTEXTILE FABRIC 2 2 3:1 0.6% 590 LF GRASS STRAW W/NET 14 N/A o °'LL-i U U Q
O X Q Q �'
SECTION A-A o n 3 2 3:1 0.7% 516 LF GRASS STRAW W/NET 8 N/A N<<z- U O o m
LdD ww = z =0
c o CHANNEL SCHEDULE 5 00 w~ U LU Q
o vH-nm z�g �� Z= uu� W 2 H
r 63
o e p o °D 'C�° =R ar o gog�o ae •og�4 a°��o m z STREAM BANK o o a_� BOTTOM SIDE SLOPE CHANNEL CHANNEL PERM. TEMP. IN. TOP WIDT RIPRAP o N o z< �Z Z � ~O w
a o ° °oa:o a o� oa o oa Q ���a ���,P a°.moo o ��'�°ga°aa���'��°s a J° - CHANNEL WIDTH(FT) (H:V) GRADE LENGTH LINING LINING OF LINING(FT) DEPTH(IN) Lq
o w Q w W J z
aC,10 °°n� �oGLD 0°°00��o°oOp "o�(�'o hallo°o duo duo aka° CJ� o =71 >rr� 2 Q Q Q �' W �
C z SPECIAL STILLING BASIN F-0a: Lr 0'zz `y cn w
0 00 404°oo �o w o 1 ooa a� oo M 0-n _ W 0 3:1 1.5% 175 LF GRASS STRAW W/NET 9 N/A U O J J p N = U
Q A o°C�� o P. A 2"-3" COURSE Qo. aka �;s fir. �� - Q� z a of o o p L U
0
oo= AGGREGATE Q0000 o �' � - ExISTING TERRAIN �� DIVERSION DITCH DETAIL oQ�QQ °
•o'er MIN. 6" THICK �'o• � � r� �O�U U
LL
0alaJo {-4 �'
� °ego° a ,�a 0� oho ••o cn
> p o 00 ooao• ooaoo �o oeo o Sao lJ�oo.�p��poo.�o z T w SCALE: NONE Of 0 Ir Ir Lu
°
p0, 0 00°p0 °o0��°p 0. D oo�r °O q aa° 0 4d O.°4� °4' o g4 0 5 1'�y Lu
D °GO D° D° °O D °O D° Q4 g ;°0 4 °Oo a °d lb20 a ° 0�O O D
0 0 moo, o,,. al,o, al�oo q �o Lu
� o° b� oSO� oBoaFS b�a�M"000ob Gam o8°..b 't� Z Z Z
0
z
� DIVERSION RIDGE MIN
U
TOP ELEVATION OF STORMWATER 6" O J U
50' MIN. o 1= -1 -III-�- _ - - 1 MAX. a z
rr III=III III
15.0' Le 20.0 w -i
PLAN VIEW m r, III-I III=1 =III - - #57 WASHED STONE
� H � � �- � 1 VARIES z W
., O
EXISTING SLOPE lI =1 - -_ - -_-_- - - _ -_- a
CONSTRUCTION SPECIFICATIONS > o " #1 RIP-RAP II m J
-III- =1 =1 '- -_ "' z
Z O �
8" OF SEDIMENT CONTROL STONE © J O
1 . CLEAR THE ENTRANCE AND EXIT AREA OF ALL VEGETATION, ROOTS, AND �"� b VARIES vi
OTHER OBJECTIONABLE MATERIAL AND PROPERLY GRADE IT. FILTRATION GEOTEXTILE a ti - � U
2. PLACE THE GRAVEL TO THE SPECIFIC GRADE AND DIMENSIONS SHOWN ON I a SIDE VIEW 0 z
THE PLANS, AND SMOOTH IT. 0 > NOTES en wj EXISTING O (n
3. PROVIDE DRAINAGE TO CARRY WATER TO A SEDIMENT TRAP OR OTHER SLOPE J
SUITABLE OUTLET. USE NO. 5 OR NO. 57 STONE FOR SEDIMENT � EXISTING Q U
SLOPE 1­-4. USE GEOTEXTILE FABRICS BECAUSE THEY IMPROVE STABILITY OF THE -� OONTROL STONE, -i UJ = -11- w
0IL
"=1 -III=1 1=
FOUNDATION IN LOCATIONS SUBJECT TO SEEPAGE OR HIGH WATER TABLE. a PROVIDE STABILIZED OUTLET TO STREAM BANK. w � III-II- 11=III=III-1' � z ry
C! LI I- w O Q
MAINTENANCE WOOD PALLETS MAY USED IN LIEU OF STONE -III- VARIES III=III=1i'
AND GEOTEXTILE AS DIRLCICD. A SUFFICIENT NUMBER - m
� (n Q
MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT MUD OR SEDIMENT OF PAL LETS MUST BE PROVIDED TO ELEVATE THE ENTIRE IIIII I II: Y O
FROM LEAVING THE CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC SPECIAL STILLING BASIN ABOVE NATURAL GROUND. II 6 i III Q �/ U
TOPDRESSING WITH 2-INCH STONE. AFTER EACH RAINFALL, INSPECT ANY KEYEDRIPRAP m w
STRUCTURE USED TO TRAP SEDIMENT DAILY AND CLEAN IT OUT AS NECESSARY. ' ' r 2T TG S( LE SHFET 1 OF 1
D IMMEDIATELY REMOVE ALL OBJECTIONABLE MATERIALS SPILLED, WASHED, OR 1 Ei3o.06 1163 .0€� ` VARIES
TRACKED ONTO PUBLIC ROADWAYS. _ -
NOTES: SILT BAG INSTALLATION: 11=III Tfl�Tl - �II>=111
1 . MAXIMUM PUMPING RATE OF 80 GAL/MIN/SF 1 . INSTALL GEOTEXTILE (NCDOT TYPE 2) UNDER BAG II- IIIIIIIIIIIIIIIIIIiii_ #57WASHEDSTONE
�n�TRUCTION ENTRANCE DETAIL 2. TYPICALLY, VOLUMES LESS THAN 10OCT (2700 CF) 2. PLACE NO.57 STONE OR WOOD PALLETS UNDER BAG3. PLACE INSIDE PERIMETER EC DEVICES 3. FLOCCULANTS AND POLYMERS WILL CLOG PORES OF BAG AS NOTED
4. PLACE ON LEVEL GROUND
5. LOCATE TO AVOID PUMPING ACROSS STREAM FRONT VIEW VERIFY SCALE
BAR IS ONE INCH ON
ORIGINAL DRAWING.
E
0 1"
DEWATRING SEDIMENT FILTER BAG ROCK CHECK DAM
4 5 DATE DECEMBER 2023
SCALE: NONE
SCALE: NONE
PROJ D3717400
DWG C-09
SHEET 9 of 11
FILENAME: Erosion Details.dwg PLOT DATE: 12/12/2023 PLOT TIME: 12:04:19 PM