SWG010035_Plansheet - Grading/Drainage Plan_20211208

DocuSign Envelope ID: 64851B58-COD1-41`12-ABD4-C1E9659860FE
Qn
-290- - - - EXISTING CONTOUR
John t \ \ \ \ ^I \ x 291.64CL EXISTING SPOT ELEVATION
rn o Cou 1 I \ \ I / I\ \ \ \ \ \ X 290.51 FINISH GRADE SPOT ELEVATION
.\\ \ \ \ \ 290 FINISH GRADE CONTOUR
1532 �550 D � LIMITS OF DISTURBED AREA (11.1 ACRES)
�Sville �SR %o I I I I I I I / I I \ \ \ xx TEMPORARY SILT FENCE
(TEMPORARY
DIVERSION
RSIONTION TER
BME FRAME TYP.)
Sao I I I I I I I I I I \\ \\ 564 TEMPORARY ROCK CHECK DAM
� *� hh�l I I I I I I/ I I I \�\ \\ \\\
1565I\-
I
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 89°35'48" W
C4
50.00'
46.26'
44.63'
S 24°31'46" 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°52'32" E
C8
25.00'
30.60'
28.72'
S 64°57'55" E
Site
2 3 3
ICINI TY MAP I I I I I I \
Not to Scale
\moo 00 o \ \ RIP RAP d50=6",
I I \ \ \ 4,7j9 f \ MIN. DEPTH=18"
v
6^1
8Ao PERMANENT SWALE "A"
NTS I"STRAW W NET„
07,
\ l fSMSHOWN LE LINER
Setback Line / / / � _ � /\ \ \\ � \ / � � 1 :.:..:.:... ?�.•••••• 1
\ O \ see Table
PERMANENT SWALE "B" PROJECT
NTS SPECS
(BERMUDA)
I I I vva` I O, \ \ \ D RAI N� E/AR E3, / / SWALE CALCULATION TABLE
P
\ 4�1 \ / \ \ \ \ • 7 AC / / \ / \ "' TEMP, IVERSION I J I I • \ 1 / /
BERM S SHOWN
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°48'46"
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
30°05'36"
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
Tc(nnin)
I
(in/hr)
Q1O(CFS)
SWALE SLOPE
n
NORMAL DEPTH
(FT)
VELOCITY
(FT/S)
SHEAR STRESS
REQUIRED (PSF)
SHEAR STRESS
PROVIDED (PSF)
SWALE TYPE
3/4
5
7.2
30.6
3.0%
0.03
0.53
5.0
0.99
1.45
B
\ _ _ - - / / \ I / � / / / �� / I I x � . � \ I / \ \ � PIN: 0691-64-1385.000
/ / \ PROPERTY IS ZONED RA-30
- Harnett County 26.62 AC. (1,159,567 SF) TOTAL IN SUBDIVISION
/ \ / / TEM SILT FENCE \ Minimum Building
TEMPORARY 'IMR BASIN 1 W BAFFLE$ / / / 1/ x AS SH W\ P' \ / Setback Requiremnts - AREA IN WATERSHED: 109,103SF (2.51 AC.)
\ _ _ + RA-20R, RA-20M, RA-30 & RA 40
(SE PER E DEfENN POND AS T MP. SKl1AMER IN) / / SIe t b ask L . I f�l e / \ ` \ \ /
/DTOTAL p1 RAC E AREA= 1.0 AC. / / / li l 1 \ / FRONT. 35' from R/W PROJECT AREA NOT INCLUDING WATERSHED:
\ \ Q10- 00 3)(7. IN/HR) 1.OAC.)=45.4Cys % see/Ta b I e / \ ' REAR: 25'
\ \ \ •� / / / vo�� REQ�=1,aaoc Ac*(11.5Al 070a SIDE. 10' 24.11 AC. (1,050,464 SF)
' SJ�RFACE AREA RE�'D=325SF/CFSj(45.4C�)-14 755SF CORNER LOT SIDE. 20'
\ EPTH 2' / / (2:1 DE SFFROMDED=16'.200SF
S - 7 DAY S ABILIZAT N T1M FRAME TYP. + IMPERVIOUS AREA CALCULATIONS:
/TOP W=90', L=180, D= '' I ) - \ MAX 24% IMPERVIOUS
\ / / S FACE AR / \ / L�TEMP'DKRSION • �� \
VOL PROVI)�ED=30,283CF / \ :::::........ // / / BERM ASS \ 3 i 1 050 464SF*0.24=252 111SF MAX IMPERVIOUS AREA
_ I / / /WEIR WIDTi{ 20' / I I J ` ...'.:� .'.�.. / TYP. \ \ 7S / >
0) \ �. '® I / / / / / SKIMMEPo SIZE: 2.5" / / / // \ \ \�
SKIM ORIFICE DIAMEy�R=2.5" T TWO ROWS OF SILT
O „®► ;DEIWTERING TIME: 3.1 SAYS FENCE ND TEMP. ROCK ROADWAY AREA: 13,165SF
� „CLEAN BASIN 7�1NSTABLEIGMNST
ENFUL DURIL CONSTRUCTION. WHEN \ \ (Q 3.CHE DAMIN EX. DITCH 2 LOTS @MAXIMUM 80,000SF/LOT: 160,000SF
� 1 STREAM AREAS AR ER SIGN AND PERMIS�ON HAS /
,/' I / EEN OBTAINED FROCDEQ REMOVE TE�1P. BASIN, INSTALL P€RMANE \ ,•..... , , , '• ' C/ \ �EW RIP RAP SW E "A"
/GRADES, AND SEED�ALL DI BED AREAS PER SEED SPECS. \ \ /
I 'y / -� - SEE DETAIL TOTAL IMPERVIOUS BY DESIGN: 173,165SF (16.5%)
/ 1 \ \ ............ .. 15. 0/6 2/ Aci- - _ _ - - �\ � \ � � NO WETLANDS EXIST ON SITE
r Q>•••••••• / ATEMP S-SMUT FENCE (� /
\ �:�:�:�:�:�:\•`:�.�:�:�:� `.\ ..:::: • � � / Setback Line
,�► I / \ I / �I l \ \ D RAI N% E AKA_ ::::•:•:• :::TrU: tiy•'•
:'::.'.'.'.:::.:.:.:.:.:.'...: ......\�' _ � - / see Table /
TO \ N D ... F9 / TEMP RY
I \ \ \ \ \ \......:::: _ - \ CO TRUCTIOK
/l 21 6� AC. \ \ .• '•'•'.'.` ....'.'.'. :.....:.:... \� / / - - _ •_� IVTRAN� /
� •. I I I � \ono \ \ ......•.•.•.•.•.•.•.•.•.•.• • ��:•. ,- _ / - _ - , ` ¢ � �
\sue \ .•�'.:. �' .. / -
� I / I I \ � I m � I � \nor max\ \ \ \ \ \ � •••�•••�••• � \ � - • •� � • • �• • 3� �� '�' �
I \ o \ FO
Prep. \ \ \ \ �� \ TEMP SILT`FE CE \ \ ® 3 / / /S g ° 58
/ \ \ I \ wo/ \ \ \� A�HOWN TYP.
kl� \ \ c
--tea-..,17
i
\ \ \ \ \ \ \ \ X� \ _ / / / \ \ \ \ \ \ \ i I NW R
ESEEI DETAILSWALE "A„
\\\ / � •0 1 � \ \ \ \ \ \ \I \ � \ �� /G j / �/_ etbcr
ew\CD-- 1
&�Cble\
SEMP,81fT F N0E Cl
/
+ AS SHOW P. / \
/ \ TEMP SIL FENCE\
/ / \ \ \ \ \ \ AS SPOW ATYP. \ \
190
Approximate locat•o
6,Harnett Coun<
\ \ / \ 0 t y cA \
o, \ A roxim a to wa t�r� d / \ ter ILine.
\
�\ a3°°�'\ CO• \ • \ istrict limit lineo
\ o°�4 \ /\ \ -V.ot l c watershed district
\ \ ape Fear Rllver-Dunn _ - - - - - / / \ TEMP SILT FE CE
- - o - - - AS SHOWN TY Watershed Di trict IV-P. \ -t
� / \ N WORK GRADING CONS%R,UCTION TO TAKE Q>5 F�CP
\. \
\ PLACE WITHIN WATERSH�D AREA
(1 09,103SF/2.51AC.
I I
\ \ \ \QRAIN�GE AREA \ \ \ O //-•._•'-'•-••-•• /��„''�® I \ I I /sUR VIEYED Y.•
2.9 \\AC. Is TA /\/ /L S0 CII TES)
\ \ \ \ \ 10Q5 g 8' _ - / PryTess/on al L �n d Sur eyor, F . A. C- 083 7
/ 42 03 (Total) I I I I / 98 fast De,epot /Streolt, P.1 0. BJx 730, Angier, N.C. 27501
\ . N 35°0 7 W \ \ \ \ - . • - *42 , 55»W 6 - - - \ f -� Phone: ?19-739-2133 I Fax: 919�639-2602
\\ / 2 7. 8 8 \ \ \ - \ Sydney A. Renne
\ eled Book 3668, Page 856 I / I / / / / C R AP H I C I SCALE
Plat Cabinet 'F'; Slide 38 \
( I)y FEET )
I inch = 60 ft.
CA��.
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