NCC231140_Site Plan or Location Map_20230420

PERMANENT 1
STORM SEWER-PIPE CHART DISSIPATOR DESIGN-SIZE SKIMMER DRAINAGE Q10 SURFACE AREA SURFACE AREA STORAGE STORAGE BASIN SIZE WEIR SKIMMER CHANNEL DESIGN D-0 v w PERMANENT o
BASIN AREA(Ac.) (CFS) OREQUIRE)D PROVIDED REQUIRED PROVIDED L x W x D SIZE RATIONAL METHOD
PIPE SIZE DRAIN Q25 LENGTH SLOPE INVERT INVERT LENGTH WIDTH D50 LINING D.A.=2.10 ACRES DA"t01ACRES DIVERSION BERM
AREA CFS FEET % IN OUT FT FT THICKNESS SB#1 W/BAFFLES 68.0 293.8 127,786 SF 128,018 SF 122,400 CF 370,500 CF 506'x 253'x 4.5' 100' 2.5" Q10=6.04 IFS
USE MANNINGS EQ. DB-1
Ac DIMENSIONS LISTED ARE FOR TOP OF BASINS. B=3' UBEMAM4NOS ED.
PERMANENT 90' =.035 a-r Z
ALL SKIMMER BASINS TO HAVE POROUS BAFFLES. CHANNEL DESIGN D-3 3:1 3:1 S n-.o3s
PIPE A 18"RCP 2.45 4.20 60 0.67 116.80 116.40 9.0 4.5 6" 18"CLASS B _ SIDE SLOPE=3:1 O
Calculate Skimmer Size RATIONAL METHOD � SIDE SLOPE-31 N
CHANNEL SLOPE=1.0%
PIPER 18"RCP 3.49 5.94 60 0.67 116.40 116.00 9.0 4.5 6" 18"CLASS B Basin vowmemCubic Peel 122,400 c,,.Ft Skimmer =0.5fi'
mmer Size 6.0 Inch D.A.=7.75 ACRES V10=2.30 FPS CHANNELSLOPE-1.0'/. 7 If PIPE C 18"RCP 5.80 9.45 60 0.67 114.50 114.00 9.0 4.5 6" 18"CLASS B Dmrste Mein* 3 Days orifice Radius z.]hales] Q10=22.3 CFS b=3' USE TEMPORARY MATTING NO nATENG REOURED \ I
USE MANNINGS EQ. T=VDS 62.4(0.56).01=0.35 PSF
PIPED 24"RCP 7.43 11.5 60 0.67 113.70 113.30 12.0 6.0 6" 18"CLASSB B=3' T(ENKA MAT).-2.0 PSF _ T-YD3624(0.53).01-02 PSF
Orifice Diameter 5A Indies]
9.0• \
PIPE E 24"RCP 8.65 12.6 60 0.67 109.00 108.60 12.0 6.0 6" 18"CLASS B sNc �a&y5etlm 3:1 3:1 n=.035 LENGTH=400' T(@ I-r� Ex GRADEMA MAT) PSF
TEMPORARY MATTING SCHEDULE JUTE - SIDE CHANNOPE=3:1 LENGTH
PIPE F 18"RCP 3.18 5.81 60 0.83 108.50 108.00 9.0 4.5 6" 18"CLASS B CHANNEL SLOPE=1.0% -� ��
STA.1]+]5 RIGHT SIDE L-1 TO INV.PIPE ESTA.21+00 L-1 DEPTH=1.09'V10=3.26 FPS �____
PIPE G 24"RCP 8.32 12.8 60 0.67 108.40 138.00 12.0 6.0 6" 18"CLASS B STA.18+32 LEFT SIDE L-3 TO INV.PIPED STA.19+30 L-3 b=3' USE TEMPORARY MATTING / _
STA.23+09 LEFT SIDE L-5 TO INV.PIPE F STA.25+94 L-1 / ` `\ PERMANENT z PIPE H 18"RCP 3.57 6.08 60 0.67 116.80 116.40 9.0 4.5 6" 18"CLASS B STA.18+35 RIGHT SIDE L-5 TO INV.PIPE G STA.26+85 L-1 T=VDS 62.4(1.09).01=0.7 PSF
PIPE I 18"RCP 0.45 2.02 60 0.67 119.80 119.40 9.0 4.5 6" 18"CLASS B T(ENKA MAT)=2.0PSF I ` DA-7.B5ACBE8 DIVERSION BERM M
I LENGTH=150' SEAL: ,.""'�-,• '
PIPE J 18"RCP 0.55 2.02 60 0.67 120.50 120.10 9.0 4.5 6" 18"CLASS B I coo"n66 CFS DB-2 ,'��N CAR...',,,
'1` `4, 1,i„ • 118E MArr1INGs w. �O�pt:ESS/ •,'�y'
PIPE K 18"RCP 4.11 6.21 184 0.54 116.20 115.20 9.0 4.5 6" 18"CLASS B ``� . B-2• .0 `�:�
PIPE L 24"RCP 10.3 15.5 284 0.53 114.0 ®i --_ n-.o35 _ i SEAL
PIPE M 24"RCP 10.3 15.5 212 0.61 112.30 r r ®i ®i 6" 18"CLASS B , �'� `�G"` st�SLOPE•a1 If
22024 '1-_
®® /\.7 \ e. � ```_ A CHAN88OPE-lox =fit
PIPEN 30"RCP 16.4 23.0 60 1.67 110.00 109.00 r 6" 18"CLASSB l ���` DEPrH-omvro-zsa Fps7 �Q��
®� / ```_`� O � �� USE TEMPORARY MATING \ T '.n�''cN NEEi" �
PIPED 18"RCP 1.19 2.57 60 0.67 119.20 118.80 r �� FILTER BAG v' _ \\\
PIPES 24"RCP 9.39 12.8 156 0.77 108.20 107.00 r r 6" 18"CLASS B SIL- 4 REA �-� • 'f" T�MAT)-)20 PSF h-2'-I `-EX GRADE F B,,...•��
PIPET 1$"RCP 2.02 3.78 60 0.83 115.50 r r •r 6" 18"CLASS B , iL �! II���`\\ ````` '�> ____LENGTH__ ,'�,i// Oy
®®® / F R.���i _�.. /t t / -��� Ia' 27-2022
PIPE U 18"RCP 2.82 4.86 248 0.56 116.20 ®i 6" 18"CLASS B '�` , �_`� c-3..- -" #. 't^►
�` �T` / �;�`:."• INV OUT t� \ � PERMANENT
PIPE V 18"RCP 4.01 7.29 264 0.53 115.80 114.40 �om 6" 18"CLASS B ..� 4,- . ,A' mB� .�°' Ill CHANNEL DESIGN D-5
PIPE W 24"RCP 7.69 11.5 232 0.69 111.60 110.00 12.0 6.0 6' 18"CLASS B r(�fF4t.�?r/j I '"F` .. - - RATIONAL METHOD
NOTE PIPES D,E,G L,M N S AND W TO HAVE FLARED END SECTIONS Vy _ _ _ _/ / ♦ `��` /^ D A=710 ACRES 04 03
CONSTRUCTION SEQUENCE •_ /I�'I'� / A� ���///� � Q10=20.4 CFS --
S _ 11"I INV OU7 ./���•� USE MANNINGS EQ. O1.OBTAIN A LAND-DISTURBING PERMIT.SCHEDULE A PRECONSTRUCTION MEETING WITH THE --- - / •� /�'/ �.. B-3' O\ENVIRONMENTAL ENGINEER,DENR. - - - - - -,,� - 16108 4H0A(,/ /r' 3:1 9A 3:1 n=.D35 a_ O I\_ - / r a .1Cj (y I\ r' / SIDE SLOPE=3'1n �^2.OBTAIN GRADING PERMIT AND KEEP A COPY ONSITE. / i'- _ _ - - __/ - / � J :0:1;4 CHANNEL SLOPE 1.0% C0 `Z1 o1•em• - / - / \ / ��" i DEPTH=1.04'V10=3.21 FPS Z O
/ ,may, ��1 / 1 b=3' USE TEMPORARY MATTING >- W O�-
3.CONTRACTOR SHALL IDENTIFY WHERE WETLANDS ARE AND REVIEW ENVIRONMENTAL / i-�-� - 7r,/ \�� /r J �PERMITS TO UNDERSTAND THE LIMITS OF DISTURBANCE. / iff,t,
/ / •/ / -/ l /=108 5 / /� T=YDS 62.4(1.04)01=0.65 PSF W ,E
'-'�� /�- - A„ '' ) T(ENKA MAT)=2.0 PSF W O o
�__ / •P \�•' \ / LENGTH=1300' Y W
4.CLEAR ONLY ENOUGH TO INSTALL CONSTRUCTION ENTRANCE,SILT FENCE,SKIMMER / T , S IMMER 0 \ OW / \ �� W O O
BASINS,DIVERSION DITCHES,AND WASH OUT AREA. i/ / '`� ` NV OUT r•li 40 AS SIDE• riff ::::::
•
OiiieP
4,f
b=3• USEMA15.IFSITE ISAPPROVED REMOVE SILT FENCE ETC. F- =11{l.0
16 \\HOURS PRIORTO ANYWORK. 1 1 , / l \ PERMANENT
/ ® ! / •
�I �� -� CHANNEL DESIGN D-8
2.PROVIDE STABILIZATION FOR SITE PER NPDES CHART OR SOONER. // ; i �� 120 \ ;� /' HIGHWAY METHOD ce
id j �� _/ 0 \ \ / DA.=3.22 ACRES ¢ w
3.THIS PROJECT MAY REQUIRE A PRE CONSTRUCTION CONFERENCE BEFORE THE GRADING PERMIT 14 '414 1\ f �� 1 /©' / ) Q70-9.27 CFS •
IS ISSUED r,// - I / \\ ( 1 A \ I USE MANNINGS Ep. w
'll \� LIM'».OF / \ ( 3:1 9.0 3:1 B=3, x�m N w
4.STREETS AROUND PROJECT SHALL BE KEPT CLEAN AT ALL TIMES OR A WASH STATION WILL BE 11- • (� - - -- I .I I-RANGE / \ / I �I _ n=.035 LLy,L, _� - m
REQUIRED. w - IN - / \ I 1� -\ SIDE SLOPE=3:1 0. hw o
5.THE ANGLE FOR GRADED SLOPES AND FILLS SHALL BE NO GREATER THAN 3:1. ��_ , k / C 60' �/ I I '� CHANNEL SLOPE=1.0% J $ w m w
�`���NV OUT / IN •U I1•Ui 1110e1111
I\�/ ( \ 1I \ � \� b=3' DEPTH=0.70'V10=2.60 FPSLS S050600j,\� _ =11 r _JJ F -. C,� I 1 - 7 • \ \ t \ I USE TEMPORARY MATTING a`�,'o rc a n s n$
6.SILT FENCE SHALL BE INSPECTED WEEKLY AND AFTER EACH RAINFALL. l 1 . 1 �_.._ r
• - �y \ I I I T=YDS 62.4(0.70).01=0.4 PSF a�
II \ 4r �/� 1911 ``. \,iO \ \ 1( / - I � T(ENKA MAT)=2.0 PSF
4, II!1.01 -, _•_ .*p� ll t \\ )\'i- / �I LENGTH=150' Z
LEGEND 8' t-- -___� i �r� I --\- \\ I I PERMANENT Q
® RIP RAP ENERGY DISSIPATOR ��\ ' i / 113.] 70' +� N OUT`�ilicl i�� \\ \\ HIGHWAY METHOD I CHANNEL DESIGN 9 J
f"f"f1 _ T 114.4�' /� LDI�I HORSESHOE IOW1'-8 I //� 1 ( 1, D.A.=8.92 ACRES //arrk1
1 SKIMMER BASIN n0 / INLET PROTECT•N �� : / I NV OU ) p10=25.7 CFS L/
l, ff (TYP) N !-----'----
_ // / ( -�/� I •i / USE MANNINGS EQ. z
STORM SEWER PIPE TI rJ0000+ ,� OI - \ ) g=3•
Ills Ail
t0 J 11 • W / \_.- .�`-� 3:19.0' 3:1n-.035->-TEMPORARY DIVERSION DITCH -- -/ m - _--_ .r fn / �M��� SIDE SLOPE=3:1Q
-aqy CHANNEL SLOPE=1.0% NO �cJ //' Q� y„�y1 fI / ODEPTH=1.16'V10=3.42 FPS U) Z LLGRAVEL CONSTRUCTION ENTRANCE - ..A Ins / hI b=3' USE TEMPORARY MATTINGfffn1I / MII\ o T=VDS62.4(1.16).01=0.7 PSF V-BF- SILT FENCE • / / se ii\c)
pc
\ OOJ►jO7(ENKA MAT)=2.O PSF U Q
/ I �►� `e N y7 W LENGTH=410'
LIMITS OF DISTURBANCE O ® I 61 1 e' 0NM
' rp O ---- / • )" '1'')
r • , //••�� O Q
� _ N 1 I..L
MIN
OI NINV IN I O I T ,INV IN ■ y
Z w
CHECK DAM -11s2
f RIP RAP O INV INV IN // P{4POSED60'R/W ns.z' p PRO.'OS 1 0 INvouT r 1 a
INV OU . i000' 1164' III = Q
il.
\ -_-- -116.0' / 1158 / _ - III 18.80' I �� •'�� rn
® SILT FENCE OUTLET -_--�� \� -- �� _ BLI a L-2 <'(`- _ _ IJJ Z
_ j_011.
11
® SKIMMER / ,:: 1a-.a~ - f t., _ 1 r •12 _ __ - _ e7��i�' `�n_r. 4: Z
POROUS BAFFLE e� c1.7R -- w w
FILTER BAG � I �__�� �._ � _- N" , _=:.--h, .. 1 I� -�-., .. -�i.3'�... � � x
�+ 0 IN =119.20' =116.8 MrTPRO yam,' ." ii
Cn W 0
HORSESHOE INLET PROTECTION =1 -11s a x f
INL TPROTECTION t
PEAK FLOW CALCULATIONS O O O O O O O O Al, 4 LIJ 8 Et
O
IMPERVIOUS AREA AREA(AC) 41:h, O r 'SO'x2' c�,' AVE� 7
STREET PAVING AREA 5.85 Ac. - O - imp 50'x25'x6" RAVELII�III y CON TION PAD L Z
178 LOTS Q 3500 S.F.(HOUSE&DRIVE 14.30 AC. - -s;�1 CONSTR CTION PAD i ��� AI Q
TOTAL ACREAGE 20.15 AC. �.r o .-. . . . . ®w .-__--'''- o.e-om .e.a - - r.Illa U
TOTAL PERCENT IMPERVIOUS 13.8% ' - - - - - �^ad"`y"=�`-� "°� �! „Y - � - - ._-= - O z
r (1) (2) (3) (4) (5) -- + - )mon .4 1 mom f 1C� -� J
TN Export TN Export by Land ■■narcclor: ` ` �,,V4s ��
of Land Cover Site Area Coefficient Use TN Export from Site( a 1 , / co-
Type
(Acres) (Ihslaclyr) (Ihslyr) (IhslarJyr) Ili / +,1 Q
Permanently preserved undisturbed open space I -- _ 440o
-
j pN.�
is,o
(forest,unmown meadow) iL....44.41 0.6 26.65 -- - 1 �� �\ � . _ - �✓ 7' w
Permanently preserved managed open space(grass, .P "- )..,�--�
o.o0 1.z o.00 A C FOR REVIEW ONLY-
landscaping,etc.) NOT FOR CONSTRUCTION
Right-of-way(read TN export from�qure 1) 1745 6.6 115.17 DISTURBED AREA = 15.8 AC ,00 o so ,00 zoo aoo DEVELOPER DRAWING
Lots(read TN export from Figure 2) 84-12 3.10 260.77 • \\\\� =WETLAND AREA ZSGS,LLC SOUHEIL AL-AWAR SHEET
519 W.NORTH ST.
Total 145.98 402.59 ( IN FEET) RALEIGH,NC 27603 PLAN IS SUBJECT TO REVISIONS DURING THE CONSTRUCTION APPROVAL PROCESS C-5
Average for Site 2.76 1 inch= 100 ft.
Below allowed 3.60 and therefore OK
L