HomeMy WebLinkAboutSW5220102_Plansheet C301-302 - Grading_Drainage Plan_20220428NOTES
1. SEE GRADING, EROSION CONTROL, AND STORM DRAINAGE DETAIL
SHEETS FOR ALL GENERAL NOTES. CONTRACTOR RESPONSIBLE
FOR INCLUSION OF DETAILS SHEETS WITH ALL PLANS.
2. NO PORTION OF THIS PROJECT LIES WITHIN THE 100-YR FEMA
FLOODPLAIN.
3. SOIL GROUP: A. B
4. STREAM INFORMATION:
INDEX 28-55-(1)
NAME SAPONY CREEK
CLASSIFICATION: C; NSW
RIVER BASIN: TAR-PAMLICO
5. TO SCHEDULE THE REQUIRED INSPECTIONS ON ALL WORK, CALL
THE CIVIL DESIGN CONCEPTS INSPECTIONS HOTLINE AT
828-771-4755, OR EMAIL AT INSPECTIONSOCDCGO.COM.
FAILURE TO SCHEDULE INSPECTIONS MAY RESULT IN
UNCOVERING OR REDOING WORK
EROSION CONTROL LEGEND
LIMITS OF DISTRUBANCE
SILT FENCE SF
SILT FENCE OUTLET
COMPOST SOCK
STREAM (C/L) - - - - - -
PROJECT PROPERTY LINE -
ADJACENT PROPERTY LINE
- -
EXISTING CONTOURS
PROPOSED CONTOURS
SKIMMER & CONTROL STRUCTURE
�®
EROSION CONTROL MATTING
CHECK DAM
PROPOSED SILT BAG & PUMP FOR
SURFACE DEWATERING
RIP RAP LINED SPILLWAY
RIP RAP OUTLET PROTECTION
I►
EXISITNG CONDITIONS
ASPHALT TO REMAIN
- OH
OVERHEAD UTILITY TO REMAIN
STREAM (C/L)
PROJECT PROPERTY LINE
- -
ADJACENT PROPERTY LINE
STREAM BUFFER -ZONE 1
SB
STREAM BUFFER -ZONE 2
- se sB se -
EXISTING WETLANDS
+1
+� 13M
3 PROPOSED SC250 EROSION PROPOSED DRAINAGE AREA TO PROPOSED LAYDOWN YARD 3 PROPOSED SILT FENCE
PERMANENT DIVERSION DITCH S1 WITH RAIN GAUGE AND
+ + � � � � •. CONTROL MATTING (TYP) � I + + (TYP) (SEE DETAIL D3.01) J �
I ) \ \ \ \ - \ \ \ INSPECTION BOXES /
*^� \ • • \ \ \ \ PROPOSED TEMPORARY DIVERSION DITCH Al ^ / \ \ \ \ I \ I I III I I► / ++++ F+J
AN
+ + + + +
\ I ( \ = (SEE DETAIL D3.04 ON SHEET C932) \ \ I I I \ I I + + /
++ / \ I \ I \ \ \\•''� \ Is►+++ PROPOSED CONCENTRATED FLOW OUTLET
\+++", -1; \ \ �/ p \ \ \ I II \\I \I I / / <3++ ++ (TYP) (SEE DETAIL D3.03)
+ \ ~ ;:::': •" \ \ •'' \ \ \ PROPOSED TEMPORARY SEDIMENT BASIN A \ \ 1 ( I + + + +
+ + I I \ \ \••'•' \ (SEE DETAILS ON SHEET C933) PROPOSED TEMPORARY DIVERSION DITCH B1 I \ \ \ ( \ /+ +fi+
\ • ' °� • \ \ I I I 1\I� >)) \III +/*+ ++++� �,+t
+\ '_ •• • \ \ \ \� \ I I (SEE DETAIL D3.04 ON SHEET C932) I //`\ I I I I + + + t +
,rT+ \ \ \ \ 1 1 \ 1 I PROPOSED TEMPORARY DIVERSION DITCH A2 I +++
\+ \ :-' \ \ \ }�\ • •'\ ' I (SEE DETAIL D3.04 ON SHEET C932) ' PROPOSED TEMPORARY DIVERSION DITCH K. J I I /� y -
\ \ 1 \ \ \ ' \.p •• ' I \ \ (SEE DETAIL D3.04 ON SHEET C932) / / J I / / + PROPOSED CHECK DAM
/++
\ \ ��'• •• \ \ \ ��\\ I 1 I\ \ \ \ \ \\ \ \ p5 \2/ / I �I�I / I I\IIII I �'+ +t(+TYPt ) (SEE
SEE tDETAIL D3.14)
+++++++ PROPOSED TEMPORARY SEDIMENT BASIN R ++++++++++ ++0 (SEE DETAILS ON SHEET C933) \
\ 1 Il \ \ \
PROPOSED OPEN -THROAT CATCH BASIN A4• ••\ l\\ \\\ ' I \I \ I\ ( I I ) I\\ II++ +I++ ++++ ++++ ++ +
++ ++ PROPOSED SC25D EROSION
+ +RIM ELEVATION: ±229.80 \\ + CONTROL MATTING (TYP)INV. IN ELEVATION: ±225.75 I
INV. OUT ELEVATION: ±225.70
(SEE DETAIL D5.02 ON SHEET C941) \
I \ \ ) \
I
+ + + + + m I I \ \
\ ++ ++++++++++++++�+ + /
_ \
PROPOSED 15'HDPE A3-A4 +++ + l \ j' I •' PROPOSED PERMANENT DITCH S1 +
3
TO OPEN THROAT STRUCTURE / / I + PROPOSED TEMPORARY DEWATERING BAG 3
LENGTH: 161.84' CAD SLOPE 1 % + + +� I / I / / I \
+ + + \ ` \ (SEE DETAIL D3.06) / / / / / / i /+ (IF REQUIRED FOR MAINTENANCE)
++ + \ \ \ \ ` \� I / / / // �/ / ' , i / I f + (TYP) (SEE DETAIL D3.15)
PROPOSED OPEN -THROAT CATCH BASIN A3 +`+ + � \ \ � _ J `+ 'I. /i +
RIM ELEVATION: ±227.5 + + -� 4 --IX
INV. IN ELEVATION: ±224.23 + + + +.al \ \ \ i -+'I I I / I / / /� </+ + + \ \\ \
INV. OUT ELEVATION: ±224.20 + + + + \\\\\ �I - \ / ; + ++++ \+
(SEE DETAIL D5.02 ON SHEET C941) +++++++ + \ /-� PROPOSED TEMPORARY DIVERSION DITCH Rl ) I /. +++ ++ o
- 4," t \ �-��� \ (SEE DETAIL D3.04 ON SHEET C932) / I I x 3 \ l
\ \ + t + / + + + + +� +�+ �\ \ 17� I I I I �I +++ \
PROPOSED 15" HDPE A2-A3 + + + + + + + + + ++/ z
++ I \\ PROPOSED CONCENTRATED FLOW OUTLET
+ +++LENGTH: 91.26' ® MIN. SLOPE 0.5% + + + + + _ /
AT OUTLET BARRELS
+ + + + + + + + + + + +�� ( \ \ �, - /" / I I \ I A I \ 1 / (TYP) (SEE DETAIL D3.03)
+ +/+ + + +J. + + t t + + t t +/+ \ \\
PROPOSED OPEN -THROAT CATCH BASIN A2 +++++++++++++++ + /++ y/ c '� \ C�� ) I ) I I \ ""1 I I J +� + + + a•, + +,
i f \� \ �� I \ 1\ \\ ° \ + + +
RIM ELEVATION: ±229.50 ++ + + + +++++++f+// / \� \ �� \/ Z \ \ I I I I I l °"b�� / I / /++ 1
INV. IN ELEVATION: ±223.84 + ++ + + + I I ; I I �� \ \ I I �p / + PROPOSED TEMPORARY RIP RAP APRON (TYP) I
INV. OUT ELEVATION: ±223.75 + + + + + + +yl / / \� ( I °�I° (l�l l I I (/ + LENGTH: 10' \
(SEE DETAIL D5.02 ON SHEET C941) +++++++++++�►+ + / >-- \ PROPOSED OPEN -THROAT CATCH BASIN B2 "� \ \ i I I\ ` III I r+t+t + WIDTH AT OUTLET: 2'
+ + + + +++++++++++++J I / �\ fJ�0 I \ RIM ELEVATION: ±236.00 I I�/111 \\ \I I I +++++ WIDTH AT END: 11'
\ INV. OUT ELEVATION: ±232.75 I ( \ \
�, + + + + + + I r K �. \ \ _ \ I \ I \ 1 \I �\\ \ \ I) I ++++++ DEPTH: 1.5' I
PROPOSED 15 HDPE A1-A2 + + + + + + ++( I f \ \ (SEE DETAIL D5.02 ON SHEET C941) I \ \ \ l I i ) �* + + + STONE CLASS: B
LENGTH: 130.9' ® MIN. SLOPE 0.5% tt++++t+tt++++++ �/' ® \ \ I I III \ \\ \\ \�\\I I I / l±rt++. (SEE DETAIL D3.02)
+ + + + + + + \ \ \ \ PROPOSED 15" HDPE 131-132 ( \ \ \ \\ \ \\\ I 1 I l \ r+ + +
PROPOSED HEADWALL Al + + + + + + + \/ ` -I\ \ \ LENGTH: 165.0' ® MIN. SLOPE 0.5% PROPOSED LIMITS \\-+ ++++�`+++ ++++++++++++
INV. OUT ELEVATION: ±223.10 + + + + + + + \ \ \ \ \ \ \� +
SEE DETAIL D5.01 ON SHEET C941 ++++++++++++++++++\ \ •, _ \ \ \ \ �\ / \+' + +�+ + + + + + + -
( ) + + + + + + + + +� \ \ \ OF DISTURBANCE (TYP)
O - , \ PROPOSED HEADWALL B1 / \ + + + + ( \ + + + + + +
+ + + + + + + + + Ir + + + + + + + + -
r++ Qz++++++ +� PROPOSED 15" HDPE A4-A5 ° \ I \ I 1 \ I ( \ \\ \ \ I +++ -+ +++ + +++++ +
^ \ \ INV. OUT ELEVATION: ±231.90 // \ \ \ + + + + +
LENGTH: 101.2' CAD MIN. SLOPE 0.5% siC� 1' o _ , \ \ \ \ v (SEE DETAIL D5.01 ON SHEET C941) / I (( \ \ \ \ (
S+++++++++++ + �\ \ \ °� / I ) 1�/ \ \\ \\\\ \ PROPOSED RIP RAP LINE DITCH AT ENTRY
+ +t+ PROPOSED OPEN -THROAT CATCH BASIN A5 ° " / J ,/ \ ' \ \ \ / \ - ` \\ \ \\ \\ TO SEDIMENT BASIN (SEE DETAIL D3.04A)t
RIM ELEVATION: ±229.94 \\ 0 / ' \ I I \ \ + + + + + + + t + - �I
+ \`� �\ \ `� \ PROPOSED TEMPORARY RIP RAP APRON (TYP) I I I ) / + + a 3
I - V `� V LENGTH: 10' I I / // I +� + + + + + + I �+++ INV. IN ELEVATION: ±226.24 �
+ +INV. OUT ELEVATION: ±226.20 \ \� J \ 1 I ( Z + + + + + )+ ✓- �,� n
+ + � WIDTH AT OUTLET: 2 \
+ + (SEE DETAIL D5.02 ON SHEET C941) �° PROPOSED CONCRETE +++++++++++
+ + > \ \ �r 0 WASHOUT PIT 3, \ WIDTH AT END: 11' l I / II ) I j )
++++t+ + 4 + +� \-� 0 �No (SEE PAGE C998) \ \ DEPTH: 1.5' I{I( / J I I ( i++,�
+ ++++++t"
+ + PROPOSED 15" HDPE A5-A6 ® _ :�C \ / / \ > STONE CLASS: B II II / / / I I +�+++1++++ LENGTH: 107.8' ® MIN. SLOPE 0.5% + \\3 (SEE DETAIL D3.02) I I III / I ++�+++
/ + + + + + + + +x+yam
+ + + + + + + + + + + + + + + + +� +
/ + + t PROPOSED OPEN -THROAT CATCH BASIN A6 + Qo�O� �/ \ \ \
\\ + + �+ RIM ELEVATION: ±229.96 +�+ obi `�j"° -f - PROPOSED SUBSTATION IMPROVEMENTS \ I' / \ I I \ \\ \ �
+ + INV. OUT ELEVATION: ±226.75 +++/ ++ o - 0 ) INCLUDING ACCESS ROAD SHOWN AS ^-
�, (SEE DETAIL D5.02 ON SHEET C941) ++ + + y "o� EXISTING CONDITIONS. \ 1 ? y / \ \ ) / / ) I I ((� \ /( 1 EXISTING 1 CONTOURS (TYP) S
++ + /+ + + + Q �� �� \ \ SEE PLANS TITLED "EAST NASH SUBSTATION"
+ t t t + t t + + + + + + t t + + t + + +No � i \ APPROVED UNDER PERMITS:
�+ + ++++++++++++++++ +++++++++++++++++++++ ++++++ ,c \ \\ NASH-2021-028
m ++++++++++++++ +++++++++++++++++++ ++ ++ +++ ++� \ \ \\ / // / �/ // / / / J
�`�0 r' �- - D042-064-21-00081 / I I I
\ /t++++t+t+++++++�+++++t+t++ ++++ t 4+++++++r+ \ / �/ \ \ \ \ \\ \ \ \ \\ \ \ Ih \ \ /
�+ ++++++ �a ++++++#+++++,+
+� +moo+"++�«i +++ ++I+ +++
�+ + + + + + + + N� + + + + + + + + + + + + + + + +
J, ++�tt++ ++N�++t++++t++tt++t++++
I \ �+ +CIA + +"++,--
+�++++++++++++++++++++ %+�+++++++++++++ +++++�+ 2� \ \ \ \ \ + + +N + + + + ++++ + + + + + + + + ++++\/ / J I I I EROSION CONTROL MEASURES INSTALLED FOR\ '+/+ + + + �r + +�+ + + + /1 \ \ _ J/ // SUBSTATION SHALL BE MAINTAINED AND l
\ \ + +No+ + + + + + + + + + + + +/ + / REMAIN IN PLACE UNTIL THE SITE IS \
+ +N + + + + + + + + + + + + + + + + + +✓+ + + + + + + \ \
�\ + + + + + + t + + t t + + + t ++ +� + + + + / + +�+/+ / / i - I `- ��9 \ \ \ \ J / STABILIZED �� \
\ S + + + + +�+ + + + + + + + + + + +/+ + + + + . + + + +I /
+ + + + + + + + + + + + + /+ + `+ +_ + + + + t/+ + + \ / \ ` Zr� / / \
es
Yp + + + + + + + + + + + + + + + + + + + + + + o + 1 \ \ ! I
1 r++ ++++++++++++++`+++++'�+'�+i+�`+++++++'+�+ ,+ + + +1�+
( + �+ \ I \ >
+ t + + + + + + + + +,/+ y + + + + + \+\tom+ �+ +\\ �' / I \ +
+ C+ + + + t t + I + t t � + +--+ + � + + + + + tv+ +may t` y I I I \ / r - / / / / i \ + I +
$' +' + ++++++++++++++++++ ++++`+++++C++++++++ ++�++++++++++++++"�' I �++mac^ WET�
+ + + + + + + + + + + + + + t5 + + + + + + + + + + + \ _ fi+ + + + �+ + + + + + / \ i / / I + r
-+++�,+++1++++ ++++ +++*+ I+t++++++ / ++++,++++++ J / �� 1 +
+ + + + +/ + + + + +�+ + + { + + + + +, + t + + + + + \+mac j / `, +++++++�r+++.tt.tt# ��+ \ \ ��' II / f� +++t
+ + � + + /+ + + + + + + + +' + + + + + \ / + i
+++++++++++++tea \+ ++++�++++++�+ ,� e\ ++++I+4++++++ ( / ��+wEr ( /+++
+ + + �t. + + + + + + + + + + + + + + + + -+J + + + � + jr � \ �+ + + + + + + + + + + + + \ r/ + + + + + + +
+ + + + + + + + +4+)+ + I � + + + + } + + + + + + + + + + + / �- WEB + + + + + + + + + + + + + ` \ II I
se
\ � �'t ++ /++tt++r+++ + ++ ++tt++t+++tt+ttt+ +.++ +t +t\+ t t + + t t t ++- t + + t t t t + + t + t+++t+\ %t t++ /+
�////+\++ + + + + + + + + + + + + + ++ + + ++ +' ++ ++++++++++++/++++ \ I ++ +.t1- t+ + +�+ +t \++++ ++ �+
++++++++++++ + + + + + +++ + + + + t+++++ + ++++ + + t+ ++++ +
+/a +++
++++'++/+tt++
+ + + + + +1+%++ + + + + + + + +t
J+ \ / `,++
+j++++++++I+++-t +�P, � I�\\-+ + +++++++++++++++++++++++++++++ + +++ + + ++ + + +
++ �+++.+++++++/ + +++
�+/
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c
t++ttt+tt++t�++++++tt+,+++++ ,y +t• / \ +.� 3 ++
+ + + + + + + + + + + + + + +\ + + .+ + + + + + + +1 +( + + ,,
+ + + + +
< /- I1 / t•+++++++++++\++�+\++++++++++1 1 _ \ \\ 1 \ + ���/7 ++ +
- / +: + + + + + + + + + i + + + + + + + + + + + _ \ \ - / 1 I \\\ \ \ I I + + r + + + + +
,++++++,1'\++++r+_ ++++++++ \\ �� I / \\ I ++I++�.•+�++ + ++++
�- / t++tt++++�+t t+,++ t \\ I ?\t
\ J / t +�+ +�t +++++++-'++ --,tom +
/111111111 II I / �\ y� �- t+tt+++tttt+t+t,rt++ty \\\ // �o-
r/II 1 \ \// I �+++++++ ++ +,�
/ X�,
+ + + + ++o + + + + + + + +
l_++++ + ++++++++�++ \, \� G / I \�'II l l I �I \ \\\ Y \ J +�+ + + + + + + + + + +IlII\ \ �� ,<\ + + + + +\ + + + + + + + + + + + \ , + + + + + + + + + +
tt + t t t + t'' + t / ,�+I t + t t + art t +*
+� +(t + + t + + + t + + + t t�� \\\\ -` / t I+ + + t t +�+
+ + + + + + + + + + + + + + 1 \ _ + + + + + + + +
y+- a++++++++++++++++� ��� �+ + +acn+ + + ,
\ �8� _ _ ++�++++++++ +,
\\ I
IN as
++-+-+ + + + + + �
,/ \� eS �+�+++7+- \� \ \' \mot++/+++++I+�%'
[EXISTING WETLANDS (TYP) \\ 1� \\�\j 8 \ c0� �'L S +�+� _ - \ \ \ + + /+ + + + + ++ +Cp ,
OV
Elm
I''iyl
rT1 + + + %+ 3++
ADJACENT PROPERTY LINE (TYP) _
� / � / ' ' + + + t+ +it +t++++++++++++1++f+4
++♦
V , / /� / / ( + + + + + + + r + + + + + +
1 PROPERTY LINE TYP /�� �yj �, +
O O EXISTING HORSEPEN BRANCH ��� / _ � / / M + + t' + + + + + +
(BRANCH OF SAPONY CREEK; ' i J j/j/ �/ •l�+�,� +++++ + +++ �+ ++
O \ 28-55-(1)) /� z /i/ � r / \ J '/ �+ + +�+ + � + + +
EXISTING 50' ZONE 2 STREAM BUFFER (TYP) / �j/ L - - \ J (► +�\ + Y f �+ + 100
I{ nv v\ 11 rn �} RIVER BASIN: TAR PAMLICO/++*�+++++
VJ V C
o+++
V J EXISTING 30' ZONE 1 STREAM BUFFER (TYP)
PROPERTY
ALT a
64 N
VICINITY MAP
(NOT TO SCALE)
DEVELOPMENT DATA
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OWNER/DEVELOPER: PINE GATE RENEWABLES, LLC
130 ROBERTS STREET
ASHEVILLE, NC 28801
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CONTACT: MATT ABBOTT
(828) 348-8918
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CIVIL ENGINEER: CIVIL DESIGN CONCEPTS, P.A.
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168 PATTON AVENUE
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ASHEVILLE, NC 28801
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CONTACT: GREGORY R. HOFFMAN, P.E.
(828) 252-5388
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SURVEYOR: TIMMONS GROUP
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5410 TRINITY ROAD, SUITE 102
RALEIGH, NC 27607
CONTACT: TERRY WESTENDORF
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PROJECT DATA
PIN: 2850-0075-4551
ADDRESS: US-64A, TOWN OF SPRING HOPE
DEED BOOK/PAGE: 2819/614
SITE ACREAGE: 325.6 ACRES
ZONING: RA
SETBACKS:
FRONT: 30'
SIDES: 15'
REAR: 30'
DISTURBED AREA: 200.4 ACRES
IMPERVIOUS CALCULATIONS:
IMPERVIOUS PERVIOUS
PRE -DEVELOPMENT: 0.10 ACRES (0.03%) 330.90 ACRES (99.07%)
POST -DEVELOPMENT: 7.10 ACRES (2.15%) 323.9 ACRES (97.85%)
CDC INSPECTIONS HOTLINE:
828-771-4755 OR I.NSPECT10N(J.CDCGO.COM
Know what's below.
Call before you dig
►•: ■
EROSION CONTROL PLAN
GRAPHIC SCALE 50 100 200
( IN FEET )
1 inch = 100 ft.
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NOTES
1. SEE GRADING, EROSION CONTROL, AND STORM DRAINAGE DETAIL
SHEETS FOR ALL GENERAL NOTES. CONTRACTOR RESPONSIBLE
FOR INCLUSION OF DETAILS SHEETS WITH ALL PLANS.
2. NO PORTION OF THIS PROJECT LIES WITHIN THE 100-YR FEMA
FLOODPLAIN.
3. SOIL GROUP: A. B
4. STREAM INFORMATION:
INDEX 28-55-(1)
NAME SAPONY CREEK
CLASSIFICATION: C; NSW
RIVER BASIN: TAR-PAMLICO
5. TO SCHEDULE THE REQUIRED INSPECTIONS ON ALL WORK, CALL
THE CIVIL DESIGN CONCEPTS INSPECTIONS HOTLINE AT
828-771-4755, OR EMAIL AT INSPECTIONSOCDCGO.COM.
FAILURE TO SCHEDULE INSPECTIONS MAY RESULT IN
UNCOVERING OR REDOING WORK
EXISITNG CONDITIONS
ASPHALT TO REMAIN
OVERHEAD UTILITY TO REMAIN
STREAM (CA)
PROJECT PROPERTY LINE
ADJACENT PROPERTY LINE
STREAM BUFFER -ZONE 1
STREAM BUFFER -ZONE 2
EXISTING WETLANDS
PROPERTY
/*
(7-
dy\
� O
� 1 \ / \ \I � S�
f�2 I 2S7
(._se > 132
�\_ 1 > lI / l /0 145 r l
PROPOSED TEMPORARY DIVERSION DITCH G2 / / J / / I / ^ II (/ I N \ \(
/ i o / r \ \\ N
240� / / / / / / / �� _ /r// /\\ \ \ \ 64
/ 2 (SEE DETAIL D3.04 ON SHEET C932) • • \ \ \ S ^ 1
o PROPOSED TEMPORARY SEDIMENT BASIN F
/ I -1���/ �/ / �f ��� (SEE DETAILS ON SHEET C933)
/ I / PROPOSED TEMPORARY DIVERSION DITCH F1•• •' \
/ ) m SEE DETAIL D3.04 ON SHEET C932 / / / �` / � %T/ / / \ \\ �0
i � I ( / � j /// / f � � �/� � I �+` \ RING
_ o PROPOSED TEMPORARY SEDIMENT BASIN G2 J . J J j 1-1 // / / = /��� 8S \ HOPE
/ i 1
- (SEE DETAILS ON SHEET C933) / / / // / J �"/ / PROPOSED CONCENTRATED FLOW OUTLET —
,— � � / � / _ —, ' '�,� / •• '�'-�''�,�� ` VICINITY MAP
\ �� \\•.� /4p / _ _ / AT OUTLET BARRELS
�OS (TYP) (SEE DETAIL D3.03) I / (NOT TO SCALE)
.. DEVELOPMENT DATA
PROPOSED 12 COMPOST FILTER SOCK �/ j -�?� /�
INSTALLED LEVEL / / / I � f— ,��� ( REPOSED TEMPORARY SEDIMENT BASIN D �` g,\
i \\ S �� \ \ — SEE DETAILS ON SHEET C933 �� OWNER/DEVELOPER:
PINE GATE RENEWABLES LLC 130 ROBERTS STREETCA
�\ / •: =•• 1 i I Il \ (III , I I I ✓ // / / / / — — �_ \ \ \ / $ S \ I ASHEVILLE, NC 28801
MATT ABBOTT
I\ \ I I I X CONTACT:
v J I / — (828) 348-8918
I / �y \\ — T-� '• /- CIVIL ENGINEER: CIVIL DESIGN CONCEPTS, P.A.
�� i b� ,t/ �� / — 168 PATTON AVENUE
1 — �� I` ) ��� _ J — _ ASHEVILLE, NC 28801
\ �, ` , / J / ` � \ \� ✓ ✓ — '• - \ ( I \ \ ) J CONTACT: GREGORY R. HOFFMAN, P.E.
(828) 252-5388
\ I PROPOSED TEMPORARY DIVERSION DITCH G1 I \ \• ' — / �, \ — — ' • ' " \ \ I I / m \ \
\ I U1 8S` \ /� SURVEYOR: TIMMONS GROUP
/ • I I (SEE DETAIL D3.04 ON SHEET C932) / I I \ �� i / `b- — \ I 1 / / // / //� I / 1
• 5410 TRINITY ROAD, SUITE 102
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�\ / PROPOSED TEMPORARY SEDIMENT BASIN G1 ` I \ \ — — f I l� � 5 \ \ I ( / / / / / / CONTACT: TERRY WESTENDORF
� / / (SEE DETAILS ON SHEET C933) \ / v — -- — \ 1 I I 1 / ) I \�(/ // (; \\�, was / (919) 866-4951
I � 1 I I (/ I I I I I I I 1 1� � � I \ �`, PROJECT DATA
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FILTER BAG FOR POND DEWATERING\\\�\ _ /
(IF REQUIRED FOR MAINTENANCE) \ \ \ I (SEE DETAIL D3.04 ON SHEET C932) / / l I I I I j ++,++++ PIN: 2860-0076-4551
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(TYP) (SEE DETAIL D3.15) \ 1 / �N \\ \ \ - \ J I 1 I I�lll+ADDRESS: US-64A, TOWN OF SPRING HOPE�++ DEED BOOK/PAGE: 2819/614
/ \\ A PROPOSED TEMPORARY DIVERSION DITCH E2
+ SITE ACREAGE: 325.6 ACRES
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I / + _\ FRONT: 30
I // /I / \� \I I •} / / / / i I I I I I / / / / / / / )�+ � ) SIDES: 15'
REAR: 30'
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I I I ..� •.{ / PROPOSED TEMPORARY SEDIMENT BASIN E ! (SEE DETAIL D3.04 ON SHEET C932) L I 1 \ 1 N s DISTURBED AREA: 200.4 ACRES
(SEE DETAILS ON SHEET C933)
EXISTING 1' CONTOU\\ ` 1 IMPERVIOUS CALCULATIONS:
�' \ I \ \ I '• / /-�C,1 J I I I ` \ \\t IMPERVIOUS PERVIOUS
I I \ \ • • I I -•I I \ / / I I \ I ( I \ \ \ \ \ \ ( �' PRE -DEVELOPMENT: 0.10 ACRES (0.03%) 330.90 ACRES (99.07%)
POST -DEVELOPMENT: 7.10 ACRES (2.15%) 323.9 ACRES (97.85%)
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CONTROL MATTING (TYP) ++++ \ \ I I \ \\\ \\`\—�\\\ \ \\ \ ` \ \ \ \ \ I I I (SEE DETAIL D3.04 ON SHEET C932) \III\ I I I II + + + PROPOSED CONCENTRATED FLOW OUTLET ��
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