SW3240203_Plansheet - Grading/Drainage Plan_20240522

INGRESS/EGRESS EASEMENT NN: 3949986 COORDINATES ��� � �0 �
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' \ i DITCH 1 DA=15,316 SF d''
NAD83 NSRS 2011 : 3
DA=6,527 SF IMP.AREA= 1,178+3,029 SF=4,207 SF ( ) = U ti -N
\ \ / IMP.AREA=2,189 SF Slope- 1.22%
I I \ \\ \ I Slope=2.63% ;y •;WOb Q. N
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\ 06 0`1 ��� - ` v DITCH 2 (E)IP ' ..�.•••':
0 6o i� / v N 89°38'16 E 163.56' TIE (E)IP
N 89°32'14 608,47' 1 (TIE) N 89°2922
I \ \ 24"RCP \ \ -_-- _ - /� - �� - -- - /- - t -PPS � w (T)IR 350,90' (TIE)
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602 EDGE OF EXISTING GRAVEL DRIVE -�
603 604 605 606
IS G RA E - �I •' - - - - - `` - - - -602 \
60E - -97.7�3 ` ,i
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` 24 GRAVEL ENTRANCE � _ SEECONSTRUCTION SEQUENCE NOTE 9 THIS
\ \ \ \ \ \ \ \ ` 03 SHEET REGARDING SB-2 BERM BREACH I\�
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\\ \\ \ \ \ I \ \ \ \ 2F 8X �-� �� I \ �' \ / \ z V,
\ CONCRETE ENTRANCE \ V�� V A I \ \ \ > 'v S A� � G
\\\ FOR 50 LINEAR FEET \ 9 �' V�- �� �� 605.7 � 6 00
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6�.1 05.80 ( `° \ \ vV I 0 U) " O
\\ \ \ \ \ \ \ \ \ •� \ 606.1 `� S 605 8 -66z I W \ W
\ V A V A \ \ 6 \ 5.68 2 ( \ \ A LT
DISTURBED LIMITS s � s ` � ` 606.1 � - I � 1 I ► \ I �- �
0 6 5.56\ w 0 / \ • N \ Z LLJ
\ \ \ \ \ \ \ \ \ \ 3.21 Acres ' h 606.1 / \/v v v \ ''r ' O
\ \\ V A V A \ \ \V A A A \ \V 1 605.5 \ 'C�5� 0� �� \� ��� �� �� Fn
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CONSTRUCTION SEQUENCE v v v v v v v \ v v v� � � z 6 16 a - v6 60� 4940.95 z
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''SP• ON N �� ��� y �/
1 . OBTAIN EROSION CONTROL PERMIT. \ \ \� \ \ \\ \ 39a 1� es`O oPP _ 603 p \ O
V A V V 7�P •.. �6 y 2 � �4 _ \
2. PRIOR TO COMMENCING CONSTRUCTION, NOTIFY \ \ \ \ \ \ \ \\ \ \ \ \ o� ao - G ,644 - - - \ Un
EROSION CONTROL INSPECTOR. A \ \ \ V�\ \ v v P boa
\ V A \ V A ��� 201� 605 \� �� \ (E)IR
V A \ v ��� 6oa.5 Q s DITCH 4 \3. INSTALL PERIMETER EROSION CONTROL DEVICES. \ \ v v \ \ \ V A V� V (o - - O'? b o P
\ \ a rya- oa.za DA=7,801 SF \
4. REQUEST INSPECTION FOR PERIMETER INSTALLED \ \ \ i 3. ao oa / i
A � � A boa. boa- 6 �' IMP.AREA=1,382.54 SF
EROSION CONTROL DEVICES. A \ \ \ \ \ \ V� \p \ .97 s so 0434 605 i Slope= 1.07% V I 23�`g
5. CLEAR AND GRUB SITE. (ROADWAYS) A \ \ \ V �A V ��o • v ' �O3 �� \ �; - p \ 40>N�" E, / "�'
6. INSTALL INLET PROTECTION AS STORMWATER \ \ VL \ AQ v , \ ; `� 3° -
COLLECTION DEVICES ARE INSTALLED \ \ \ \ V A v �� I
\ \ \ V A�� \ --- o°a G�� \I / �1- /
7. GRADE SITE (LAND DISTURBING PROCEDURES). A \ V A ' ,y E IR �R ""� � E, o
8. MAINTAIN EROSION CONTROL DEVICES, A MINIMUM \ \ \� \ \ V A �` CONCRETE HANDICAP ; A 6p2 603 �s , -, ��,,-,;,-t;, / \ 0
OF WEEKLY AND AFTER EVERY RAIN. \\\ \ \� \ \ \ \ �6 PARKING AREA)
9. ONCE THE GRAVEL PARKING AREA IS GRADED AND \ \ \ \ \ W
STABILIZED WITH COMPACTED STONE, BREACH SB-2 \\ \ \ \�
AT THE ROCK WEIR, LEAVING THE SEDIMENT FENCE \ \ v
AND SEDIMENT FENCE STONE OUTLET IN PLACE. A \� - \ \ \ \ "" "" "" - ;,,-;,,- ,�!-;,,-;�%,-;; 6 7 _
10. LAND DISTURBING PROCEDURES COMPLETED AND \ \ \ \ \ \ \ DITCH 3 \
DA=27,310 SF \ "-'"
SITE STABILIZED. \\� �� \ \ \ \ \ \ \\ \ ;�`; f!;;;;;,- '�PR PR -` / �
1 1 . REMOVE TEMPORARY EROSION CONTROL DEVICES \ \ \ \ \ \ \ IMP.AREA= 13,740 SF �" REP. %6 _ C !; , REP ,-1; ,-1 / \ / w
\ \ \ \ IMP.AREA=1,382.54 SF ;" P S /' ,,J / \
EXCEPT SEDIMENT BASINS & ANY SILT FENCE - \\ \ \ \ \ _ ° ;_:% FEEL 1NER - P1�C ,-', - / E I R
BELOW BAISINS. \ \ \ \\ \ \ \ \ Slope- 1.00% / = R� SEPGN 8� 0 ,,,ii,,ii;,,l -C�+6,41 / g 2 E ( )
SE �T / \
12. REQUEST INSPECTION FOR APPROVAL TO REMOVE \ \ \ \ \ ' �\ PRIMP p pE -. -; ;-�;r-'' _ N 83 2 _ Q
BASINS & STABILIZE FILLED AREA. \ \ \ \ \ \ \ \ \ \ ;; RP�NF�E� f�� -' ;! - SvqF_s rBncK
\ \ \ \ O ;"-'' > ;" ;" / 6', '�� - - 0 / - � � 48.59' (TIE)
13. ONCE SEDIMENT BASIN AREAS ARE STABILIZED, \ \ \ '� \ \ \ \ / E % - - <- 3
REQUEST FINAL INSPECTION. \\ \ \\\ \ \�\ \ \ /• - - - -. ;;; � ;;;;, -.f- - - - ,�- _ � _
\ STA 2+ '� i
(NOT USED) (T)1 ' R INSIDE o
OF 2" PIPE a y
(E)IR (NOT USED) a.
GENERAL EROSION CONTROL NOTES \\ \ \\ \\ \ \ ` \ \ \\ '��- - - - - - = TAL � o }
\\ \ - 600_ A\V A A A\ V A\V AV A - - \g,219> �9,72 TO - �9- - - _ Ln o L, m
1. THE CONTRACTOR SHALL TAKE ALL REASONABLE PRECAUTIONS TO AVOID THE SILTING OF STREAMS, LAKES OR OTHER WATER \ V A V A \ A \ V 0 O n
COURSES DUE TO THE CONSTRUCTION OF THIS PROJECT.
2. EFFECTIVE EROSION CONTROL MEASURES SHALL BE INITIATED PRIOR TO THE COMMENCEMENT OF CLEARING, GRADING, EXCAVATION, \V A \ V A A i F-
OR OTHER OPERATIONS THAT WILL DISTURB THE NATURAL PROTECTION. \ \ \ \ \ V IR �s
3. THE EROSION CONTROL DETAILS SHOWN HEREIN ARE FOR THE CONTRACTOR'S REFERENCE, THE DETERMINATION OF WHICH DETAIL )�
IS APPLICABLE AS THE WORK PROGRESSES SHALL BE AS SHOWN ON THE PLANS OR MADE BY THE ENGINEER. A \ \ \ \ \ V A \\
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4. ALL DITCHES SHALL BE STABILIZED AS SOON AS IS PRACTICABLE TO MINIMIZE EROSION. EXCELSIOR MATTING SHALL BE PLACED IN \ \ \ \ \ \ V A V AA \\
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DITCHES AS INDICATED HEREIN, AND OTHER AREAS THAT EXHIBIT MULCH DISPLACEMENT FROM VELOCITY SCOUR. \ \ V \ \ V A /� VA \ V O o
5. THE ANGLE FOR GRADED SLOPES AND FILLS SHALL BE NO GREATER THAN THE ANGLE THAT CAN BE RETAINED BY VEGETATIVE \ \ \ V A A VA - w w
COVER OR OTHER ADEQUATE EROSION-CONTROL DEVICES OR STRUCTURES. IN ANY EVENT, SLOPES LEFT EXPOSED WILL WITHIN 14 \ \\ \ v V A A V A
CALENDAR DAYS OF COMPLETION OF ANY PHASE OF GRADING BE PLANTED OR OTHERWISE PROVIDED WITH TEMPORARY OR \ a w Q
PERMANENT GROUND COVER, DEVICES, OR STRUCTURES SUFFICIENT TO RESTRAIN EROSION. A \ \ \\ \V A V A `F
6. PROVISIONS FOR PERMANENT GROUND COVER SUFFICIENT TO RESTRAIN EROSION MUST BE ACCOMPLISHED FOR ALL DISTURBED V \ \ \ \ \V A\ \V A A \ 0(E)IR m
AREAS WITHIN 14 WORKING DAYS OR 90 CALENDAR DAYS (WHICHEVER IS SHORTER) FOLLOWING COMPLETIONS OF CONSTRUCTION OR V A \ \ \ U w
DEVELOPMENT. V A \ V A \ V A 1 \ V �� U_
7. GROUNDCOVER MUST BE PROVIDED WITHIN 14 DAYS OF COMPLETION OF ANY PHASE OF GRADING. V A V A \ \ / \
S. THE CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL DEVICES IN A GOOD, WORKING STATE OF REPAIR UNTIL THEIR USE IS NO A \ V A \ �s Q(E)IR w o
LONGER WARRANTED, AT THAT TIME, AND WITH THE APPROVAL OF THE ENGINEER \ EROSION CONTROL ADMINISTRATOR, THE EROSION \\ A A V A \ V A V O o 0
CONTROL DEVICES SHALL BE REMOVED AND DISPOSED OF SO AS TO CAUSE NO STREAM SILTATION. A V A A \ V A �A V A/ cn 0
9. WHERE CULVERT PIPES ARE TO BE INSTALLED UNDER ROADWAY, THE CONTRACTOR SHALL INSTALL THE CULVERTS AS RAPIDLY AS IS \\\\\\\ / \\\V �INAL GRADES
PRACTICAL, BACK FILL IMMEDIATELY AND RIP RAP THE UPSTREAM AND DOWNSTREAM SIDES OF THE STREAM CHANNEL. PERMANENT \ 50 0 50 100
OUTLET PROTECTION SHALL BE PROVIDED AT ANY CULVERT THAT IT PASSES UNDER OR OVER IF THE CULVERT AREA IS DISTURBED. \ V A V )>/ °z
10. ALL DISTURBED ROAD DITCHES OVER 3% WILL BE LINED WITH HIGH VELOCITY EXCELSIOR MATTING AND PERMANENT SEEDING V A ��j SCALE: 1 =50 Scale 1" = 50' Each Block Measures 50' >
UNLESS OTHERWISE NOTED. A \ \ I w
11. SEE EROSION CONTROL DETAIL SHEET FOR TEMPORARY SEDIMENT TRAP SIZING AND CULVERT OUTLET STABILIZATION. V A
12. ALL TEMPORARY DIVERSION DITCHES SHALL HAVE GROUND COVER ESTABLISHED WITHIN SEVEN (7) DAYS OF BEING CONSTRUCTED V A
PER NCG01 SECTION IIB (2). A A
13. ALL CLEAN WATER DIVERSIONS SHALL BE IMMEDIATELY SEEDED TO ESTABLISH GROUND COVER & LINED WITH EXCELSIOR MATTING V A
AS INDICATED. \ V A z
14. ALL SEDIMENT AND EROSION CONTROL DEVICES SHALL BE INSPECTED AT LEAST ONCE EVERY SEVEN (7) CALENDAR DAYS AND
AFTER ANY STORM EVENT GREATER THAN 0.5 INCHES OF PRECIPITATION DURING ANY 24-HOUR PERIOD, AND THE INSPECTION SHALL o
BE DOCUMENTED IN WRITING. DAMAGED OR INEFFECTIVE DEVICES SHALL BE REPAIRED OR REPLACED, AS NECESSARY. e
15. A SELF-INSPECTION MUST BE MADE OF THE PROJECT AFTER EACH PHASE OF THE PROJECT, AND THE INSPECTION SHALL BE o
DOCUMENTED IN WRITING. THIS SELF-INSPECTION WILL BE PERFORMED IN ADDITION TO THE PRIDES SELF-MONITORING REPORT
REQUIRED BY THE GENERAL PERMIT DESCRIBED ABOVE.
16. ADDITIONAL EROSION CONTROL DEVICES WILL BE INSTALLED AS FIELD CONDITIONS DICTATE OR AS DIRECTED BY THE EROSION
CONTROL INSPECTOR. Z T
17. ANY BORROW MATERIAL MUST COME FROM A PERMITTED SITE OR WASTE MATERIAL MUST GO TO A PERMITTED SITE. IF NOT IT e. z T
WILL BE AN EXTENSION OF THIS SITE AND SUBJECT TO PERMITTED SITE REQUIREMENTS.
PLAN,ANY OA SITE
REGULATED UNDERTE THE MININGD FOR ACTT OFHIS 1 971, OFCA LANDFILLL REGULAUST COME TED BYETHETH AN DIVISION OFVED SOLIDROSION WASTE CONTROL z ® 04 0
MANAGEMENT. TRASH \ DEBRIS FROM DEMOLISION ACTIVITIES OR GENERATED BY ANY ACTIVITIES ON SITE MUST BE DISPOSED OF AT A ® _j z
FACILITY REGULATED BY THE DIVISION OF SOLID WASTE MANAGEMENT OR PER DIVISION OF SOLID WASTE MANAGEMENT OR DIVISION OF
WATER RESOURCES RULES AND REGULATIONS \5A NCAC 4B.01 1 0].
0 x � _ 0
z Oct
LEGEND
® � ONO
Cl) � � E
0
i - _ DRAINAGE COURSE
-595 - EXISTING GROUND CONTOUR ® D
595 PROPOSED GRADE CONTOUR
606.1 + PROPOSED SPOT ELEVATION
PROJECT NUMBER
CONSTRUCTION / DISTURBED
LI M ITS
DESIGNED BY
CENTER LINE JWW
- - - -t- - - - PROPERTY LINE (R)
AWN Y
EXISTING CATCH BASIN JWW
CHECKED BY
EXISTING CULVERT (C) iww
SCALE
AS NOTED
DATE
1 /31 /24
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