SW6210701_Plansheet - Grading/Drainage Plan_20210721

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-290- EXISTING CONTOUR
% John t , \ \ \ , \ \ X 291.64CL EXISTING SPOT ELEVATION
5G`` CO�UI II jII 1
\ . FINISH GRADE SPOT ELEV
ATION
\b629 FINISH GRADE CONTOUR
1532 50 D- i LIMITS OF DISTURBED AREA (11.1 ACRES)
rclaysville
TEMPORARY SILT FENCE
---* --> --> -> - TEMPORARY DIVERSION BERM
N 04 (7 DAY STABILIZATION TIME FRAME TYP.)
tr) I I I f I I @►+111111, TEMPORARY ROCK CHECK DAM
1564
156
Curve
Radius
Length
Chord
Chord Bear.
C1
25.00'
47.34'
40.58'
S 25*43'34" W
C2
25.00'
21.03'
20.41'
N 75°56'06" W
C3
50.00'
67.31'
62.34'
S 89035'48" W
C4
50.00'
46.26'
44.63'
S 24031'46" W
C5
50.00'
79.94'
71.69'
S 47°46'31 " E
C6
50.00)
47.69'
45.90'
N 59*06'08" E
C7
25.00'
21.03'
20.41'
N 55°5232" E
C8
25.00'
30.60'
28.72'
S 64°57'55" E
Qyl
I �•
Site
ICINI TY MAP ( I ' ' I / I \ / • - - \
Not to Scale I ' ' ` '� / \ \ \ o��a
�0 �. RIP RAP d50=6",
\u'^�9 A� \ MIN. DEPTH=18"
PERMANENT SWALE "A"
"STRAW W1 NET"
OUTLET PROTECTION Ll TEMP. SWALE LINER
Setback Line QPS
io_$'s.4cfs 2' AS SHOWN 2
©, see Table / / / -_ \ \ // / Qfull=13.7cfs 1 I ...••'_,.•,:,.. 1
1 \ / / / \ \ \ O \ 3 I J / / / / DO=1.7.8fps
I /:..::,:..:::::..........................:.:..::.:.:.:.:.:..::..:....................... •
o \ \ \ \ / / \ . / / ( / / / ZONE=2 3 10' 3
CV / \ CLASS=B SEE PER
iLa=6XDO=9ftPERMANENT SWALE B PROJECT
� o ,\ D50=6" NTS SPECS
�V° mo t \ \ \ DRAIN�GE/ARE / / / \ \ I\ � . I I I t 1 Vn=3XD14.5'
\ W2=1 5XW1=6' SWALE CALCULATION TABLE
\ \ \ O\ \ / \ \ \ \' r / / / / \ + TEMP VERSION' J I I ' .' ` / / TEMP. ROCK CHECK DAM
1BE�U E
BERM / SHOWt}l I j ` RI ER OT STI e;TURE
J I '7 SEE LIAIL (D
Course
Bearing
Distance
L1
S
28*29'14"
E
54.62'
L2
S
29*39'15"
E
54.12'
L3
S
30°01'47"
E
55.07'
L4
S
29°47'52"
E
54.31'
L5
S
31 °02'59"
E
53.92'
L6
S
31'06'30"
E
52.92'
L7
S
31 *08'10"
E
53.76'
L8
S
29°04'38"
E
93.92'
L9
S
29°4846"
E
57.75'
L10
N
30*16'47"
W
43.61'
L11
N
30*16'52"
W
57.71'
L12
N
29°54'03"
W
12.59'
L13
N
29'54'03"
W
33.24'
L14
N
30005'36"
W
44.69'
L15
N
28°31'06"
W
27.62'
L16
N
28°31'06"
W
24.88'
L17
N
25°52'31"
W
48.57'
L18
S
66*11'20"
E
45.71'
LOT
Q10(CFS)
SWALE SLOPE
n
NORMAL DEPTH
(FT)
VELOCITY
(FT/S)
SHEAR STRESS
REQUIRED (PSF)
SHEAR STRESS
PROVIDED (PSF)
SWALE TYPE
3/4
30.6
3.0%
0.03
0.53
5.0
0.99
1.45
B
GENCY BY-PASS WE PIN: 0691-64-1385.000
S DETAIL
\ \ ` '- - / / / / / J •'I'I / \ \ \ PROPERTY IS ZONED RA-30
- 1,159,567 SF TOTAL IN SUBDIVISION
•-_ - -- -•' i � \ \ \ _ -- _\ \ / / / / I / \ 26.62 AC.
..•..�•'.:•.•..:,'.•:.•.•:..•
TEM SILf�T_FE E ( .• AS SH WN
\ 1TEMPORARY SKIM R BASIN 1 W BAFFLE$ I TYPTYP.
\ /
SE PE DETE N POND AS P. SK MER IN........' '.'.......... .. \
J I �A=11. . "�° ' % } �\ \ \ -- -- / IMPERVIOUS AREA CALCULATIONS:
/ To
RAIt
REA=Z1.0 AC. / . ... .. \ MAX 24% IMPERVIOUS
\ \ \ -/ / /Q10- 0.3 7R 1.OAC. -45.4C S / {
�" VO . REVY /AC*(11.5AC)=i0,70O F� / k
s FACE/AREA D=325SF/CFS (45.4CF) 14755SF 1,159,567SF 0.24=278,296SF MAX IMPERVIOUS AREA
DEPTH L
/............................
....................
(2:1 ADE SLOP - 7 DAY S ABIUZAT�N TI E FRAME TIP.} \
O / /FIR
ACE ARE PROVIDED=25 SF (rfLEv: 281.00) (SI�aDED} �•:':• •:':':::.:: :'::::':':':':':::'::' :'::'::: :;:;:' \ \ .. ']� - ROADWAY AREA: 13,165SF
PROVIDm=50,918CF / \ / TEMP'DWRSION \ 2 LOTS @ MAXIMUM 80 OOOSF LOT: 160 OOOSF
WIC
/ / t ...\ : : ':: :::. :::::...' .... y ERM AS SOWN �• /
1 \
a SKIMMER IZE: 25' PROPOSI~D-P ...:: -�': .'.::':':•:•:':•:':'.:':' / TYP. \ 3� /
/SKIMME� ORIFICE DIAM R=2.5' I \ \ 2 S -�
_-
O; \ DEwaT'RING TIME 3.1 YS / f i :'::'PERMANENT POOL .:::.::: .....
/ o6 TOTAL IMPERVIOUS BY DESIGN: 173,165SF (14.9%)
P ' / / / / / /RP707A
CLEAN BASIN WH 50% FULL DURING CONSTRUCTIO . WHEN ELEV=281.00 • /TWO ROWS OF SILT
bbb ` ..... J �C FENCE ND TEMP. ROCK
.......
GO AREAS ARE STABLE4GAINST ER SION AND PERMI ION HAS �+INED FROIy NCDEQ, /REMOVE TE P BASIN, INSTALLL ERMANENT ' ' ' "' '` % • GHEC,t( DAM IN EX. DITCH Harnett County
ALL ` ........... - -
,GRADEND SEED DI BED AREASPR SEED SPECS. % /
\ / / / \ �\ :'..:.:.� .....'::.. .'. .. ......... L ` -� \` �EW RIP RAP SWALE "A" Setblack Re Building
'\ �. ................ / _ _ ` Requirements
... . ..........::......... / ` _ --\ -SEE DETAIL RA-20R, RA-20M, RA-30 & RA-40
/ I \ <� \ / FRONT. 35' from R/W
/ REAR. • 25°
- _ r -fix 113. 0/6 ?� A cam- - _ -� __ -_ \ , SIDE. 10'
I/ \ CORNER LOT SIDE.20'
s.`/10I' x I \ \ \ \ ��. / ' / ''- TEMP SILT FENCE �•
i Setback Line -As-sr�own�wP. /
--,DRAIN' E AREA see Table
" I \ TEMPORARY
I T01 �I� � /
\ I \ \ \ .G ���\e \`rF�F / ' \ CO TRUCTIOI(
C. \ �� \ P,. / / - --- .---►TRANCj / i
21
_ _ _ 1 \
I PrQp. TEMP SI�F CE \ \ ® - . C 3 / / / 9 58
\ www \ \ \ 4, A�HOWN TIP. \ \ os ^ram \ \I
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17
NEW RIP RAP SWALE "A"
SEE DETAIL
\ \ \ \ \ \ \max \ - - / ;-� i j /` \ \ ZI ..�\ \ S e t bsAa
&c,�,ableJ�,L
\ \ \ \ \ x - EMP s31fT F NCE
ASS W TYP. \ \ \ \
\ TEM SI FENCE
\\
/"J�6 /-1C,.\ \ \ A,PProxi\ ate locat o
\ / \ \ \ \ t
� \ �\ A roximote v C tG7,rs-h ,-Y ( / \ \ 6 Harne t County\ ter Line. <� \
\�0 \ \ c istrlct limit line
--N.Qt in a watershed district -- - _
\ \ _ ;
\ \ ape Fear Mver-Dunn - ___ i \ TEMP SILT FENCE I
o\ Watershed District IV-P.\ _ / / \ \ As SHOWN TY .�-
\V. oRAINAGE AREA \ _ l �
/\ \ CP
2A AC. - - ___ .. amm .
' I UR EYED Y.-
IS TA lei IL �& A SO n1A TES
' Prc�Tess on al L c n d Sur e yyor, . A. C 0831
/
1642•03 (Total\)`98/ fast Depot
pot %StreWt, P'j 0. 8dx 730, An ter, N.C. 27501
N 357 WPh ne: 19- 39-2933 Fax: 919 6\-2602
3: 4
27.88\ 255 / Sydney A. e�eed Book 366�, Page 856 /GRAV-HtCI SCALE
P/ot Cabinet 'F'; Slide 3860� \
( IN Ii'F:I,:T )
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