20131240 Ver 1_Site Plan_20131127

CURVE
RADIUS I
LENGTH
TANGENT
CHORD I
BEARING I
DELTA
C1
35.00
52.30
32.42
47.57
S28'40 00 E
85',37-5-7-'
C2
1009.93
156.r57
78.53
156.59
S09'41 46 W
08-53'3;'
C3
1009.93
215.15
107.99
214.75
S00'51 12 E
12`12 22
C4
20.00
34.63
23.50
30.46
S36'35 25 W
99'42 20
C5
385.00
81.97
41.16
81.80
N87'22 25 W
12->2'5,-w"
NEW 25• RECIPROCAL ACCESS EA5E.WrNi
NOTES
1. AREA BY COOiRDJNA 7ES. y
2. ACCORD /NG TO F.E.M.A. MAP 13718300318 E THIS PROPERTY 2
DOES NOT LIE IN A DESIGNATED FL000WAY HAZARD ZONE.
J. THE PARCELS OF LAND SHOWN HEREON ARE AN EXISTING LOT. W
4. REFER TO MB 1997 PG 793 AND MB 1996 PG 253 FOR OTHER
NOTES OF RECORD.
5. RATIO OF PRECISION 1.10,000+.
6. THERE IS NO GEODE77G MONUMENT477061 WITHIN 2,000' OF THIS SITE 401'
*NOTE* ` - 7. MQIMITIY TERMINUS OF NEUSE RIVER BUFFER PROVIDED BY OTHERS
THE OWNER OF TRACT 1, LOT 1 SHALL BE AND APPROVED YB THE N.C. DIVISION OF WATER QUALITY.
\� RESPONSIBLE FOR rHE CONSIRt/C77ON OF
\ HALF OF A 60' B/B S7REET ANO ADJACENT
5' SIDEWALK ALONG' TRINITY ROAD FOR
THE ENTIRE LOT FRONTAGE
Z.
\ o
�o \
\ L0.55'
LINE
D/RECTTON
DISTANCE
L1
S0876,507
4733
L2
' SIO-2 16 E
46.70
L3
St 1 *52 20 E
46.29
L4
51370'03 E
45.77
L5
S13 *29 44 £
45.24
L6
S13'40 50 E
51.04
L7
S13*00 45
4039
L 7A
S13*00 45 E
J. 78'
L8
S12'O141 E
43.74
L9
S107416'E
4120'.
L10
50879'10 T
11.67
SURVEYOR'S CER'nnF- it:ATE
1, M94 . I,tIW* , CERTIFY THAT THIS PLAT
WAS DRAWN UNDER MY SUPERVISION FROM AN ACTUAL
SURVEY MADE �UUNDDE�ER MY SUPERVISION (OECD DESCRIPTION .
8o0i(
RECORDED IN 11� P2 "S THAT THE ERROR
OF CLOSURES AS CALCULATED BY LATITUDES AND
DEPARTURES IS 1: THAT THE BOIJHDARIES NOT
SURVEYED ARE SHOWN AS BROKEN LIMES PLOTTED FROM
INFORMATION FOUND IN REFERENCES AS NOTED. THAT TIM$
PLAT WAS PREPARED IN ACCORDANCE NTH G.S. 47 -3o AS
AMENDED.
WITNESS MY ORIGINAL SIGNATURE, REGISTRATION NUMBER,
AND SEAL THIS MADAY OF 49
k�
C�7
C
rR /N /Ty RD Lw Lw
HILLSBOROUGH ST
VtClNITY MAP NTS
o
CONlStldt p7av AND SLCioE EASEMENT
+� 71410'111 e� _ t'�.'p'`� "PQ
svp
0i a
V' - I P/ 4jj 15'XTR � IJQ E
CAR YOR �t • �.`•"'
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��G ~ • A NUMBER �' -`J V. P'ONCK
SEAL m
L•3771 Ix '
r 4 e
uoki
srHit�4,,e ®t, J .A715L� t. TtAYRES, J41[$ tW?7F1ER CiR1AKY 1Cy QNf OR YC✓KlE
NEW 25' REG7PIR'OCAL ---- -� 9'45'41 ° - / f- �� -- "
OF 7►+�E rzlcLOMrNC As rNDrcA1tD BY AN �r-
ACCESS EASEMENT 32 -'" °� //,% // / �� `- , ` CONTROL CORNER
EASENIENT
4, S3 1
TRACT 2
TROWELL tr A R rr
' 7540 PG 397
. e, e. 1997 PIG 107J
WcWjJ
0
tT1RECWN
DPSTMJ6E'
-f
N00'1419
SANITARY SE1WR MANHOL
CE -2
5"141,157
J
( -J
N00`14 '14'E
39.4
,
CATCH BASIN
2.3. t
THE SURVEYOR IS LWA" TO MAKE A Df*7ERbWAT70N TO 7W
74 4
t:
-8
N70D
2t
Nmsroaw
119m,
CE- d
50074 i8
J O•t
QF9
S7RVY:98
954
CAR YOR �t • �.`•"'
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��G ~ • A NUMBER �' -`J V. P'ONCK
SEAL m
L•3771 Ix '
r 4 e
uoki
srHit�4,,e ®t, J .A715L� t. TtAYRES, J41[$ tW?7F1ER CiR1AKY 1Cy QNf OR YC✓KlE
NEW 25' REG7PIR'OCAL ---- -� 9'45'41 ° - / f- �� -- "
OF 7►+�E rzlcLOMrNC As rNDrcA1tD BY AN �r-
ACCESS EASEMENT 32 -'" °� //,% // / �� `- , ` CONTROL CORNER
EASENIENT
4, S3 1
TRACT 2
TROWELL tr A R rr
' 7540 PG 397
. e, e. 1997 PIG 107J
WcWjJ
0
EXYS77NG IRON PIPE
O
SET IRON PIPE
O
SANITARY SE1WR MANHOL
10,
POWER POLE
oe
OVERHEAD ELECTRIC LINE
FIRE HYDRANT
,
CATCH BASIN
0
Ci
N
0
"-NEW 2 R
$," ,ACCESS EA
o TRACT 1, L 0 T 1
s
� AREA 2.023± AC.
4y �/
• w
N19'3 Q5 W
g�54 EX/577NG 20' CITY OF RALEIGH
SANITARY SE*FR EASE44ENT
" (MB 1997 PG 793) '
It
TRACT 1, LOT 2
AREA= 6.269¢ AC.
I -1 ZONING
rftlft
Li
SHED
S/DEWAL•K
POSED STORM LINE
EXISTING 25'
SLOPE EASEMENT
•s
PROPOSED -�.,,_
INLET (TIP.) '� -7 _ � ( ,p�- �. �..,e - PROPOSED FIRE HYDRANT
V i 6.1 I lOm/ • 2180 !/ G I 05• I ►II l4/V6�.e ♦ ',( % � � q�of afte isin i bow
SUBDIVISION MAImm, i. /V
X A. 14F SAY OVA TES' A SLAW149CN OF LAND WWN M
AREA OF A COUNTY OR Mt virAUTY 7NAT HAS AN ammo m
N77h9 TltNe
-B. TIME SUR £YA�OCA70 IN 210Y PQRnQA Or A COUNTY QQ
TG C *
ML#WQPAUTY 7HAT IS UNREGtXATEO AS To AN oiaw NCr THAT
REAULAYES PARCELS t,1F LAA0.
1
-C 7HE SURVEY IS OF AN EM WO PMM Ot PARCELS OF LANK
_D. THE SURVEY OF ANOTHER C41EGORt S1VON AS THE RECOMMWAT10N
I
OF EMSTING PARCELS A COURT- QROEIPED SURVEY, OR 000?
EXC AVON 70 THE W"1100V OF SUMWSJQV.
,
-E. THE IWORMATPON AVANA" TO THE stwwYoR s SUCf1 THAT
THE SURVEYOR IS LWA" TO MAKE A Df*7ERbWAT70N TO 7W
/r
AEST GE HIS OR HER PRGt'ESS'QNAL A&UTY AS TO PROWS MS
Q'
CONTAINED rN (A) "WON (0) ABOVE.
TlfL-
`o
ice' V 45 4%F t /v -A,t B�FF�AC �°1i4 V ate-
Po a
0,64.16 11
1 BY TtSFE v /U /SI041 A� !t%/� TEIt Q�[ / T/
V `
r •
20' eW144e W SM401 W
TRACT 5
o
j .
TRINITY ASSOC/A TES, LLC
DB 6858 PG 804
MB 1996 PG 1835
PIN # 784.09.15.0864
AREA= 4.3892 AC.
I -1 ZONING
This ow*r*m and ow, arto that the vadervvw a (a*) the sere
owwr[a) or the pngow•ty sM+ows on this mop or plot arW any
oocampanydng eheeh sab)edt to the e+roeptfam ar rvoard, he"
eeQuirod the y k► lbe simple by dikd(s) o wee d rn the
oft@ of the Reobtar of Daeds of Make Cower , NarM Cadit or
o&wwApv. at *hoar below and as suit, hem r) the t to
va"wy the pMmeag AY, fm airy 4 and that the dedevt ir) vIJ
w-vw.t and dWYnd Cho title ooakwt the lawdd dotms of a#
$nfl whansomw uWam ah erpted ha si o and that by mAvnbm?an
TYj
of this plot a mqe ftr approval I (ev) do deft*#* to the City of
®
Raleigh liar public ass aM e&w* eoewnwnt; HVhte- oA -wv);
parks and yrvenwO^ (o$ theev dntsreets OV d04Vd b the Code),
: �yy
t
ato pwand
O °N%
afi� the C11y near deretse or d Mo somm tp
4 aOCtptow Mla/eaf kt ocowvambm wim off AU pwkft a'ilirlaRm
r, bd
CC {�
ieyrrlatroers or candrtiare of the City of Rdso for
the -10.1; of the pubdiW said deftatr'ar "I be Asvm* Wo
prodded, any dedk+otken of oammwnts for storm drah"r ors not
h
mod► to the City of ReWo but av krevocobty mods to the
svbseauwrt aMars of wry and adi ws strewn hereon lbr b4M* .
nap ad owom sl�jeet to aa+�tlans w sactrone fbl. (e).
(d), and (f) of Section P and Section 4 of the `CYty Storm
a (Roadutkn t97t7 -742 as the sane may be ftm time
N
0
tDro&�
D
D
�
Q %
Stproturv(e) of Film fhvNr�(iy
�tym
r
4 o Plebrrc of Cwnty of �d wq�t the
State 6 T.. cvvfy that �a1. vi C. T
r
it
ebb+ �s
peesonaNy appowvd befame me *his day and odmvdedgsd the
sZ 140
avemtkm of Hie pehstrumwnA
M &mm my hand and o/ITcrd stamp or sear this 14ay
t!f
A
of MOON . tw* +Q. ,�-
-
MY CCMMIVSSaION EXPNWS NOTARY FMC
'�
., Or•rrrrstror. E.G • l•.v3 x '�,
Z
`��� >�Im . •. A
tl a+
•s
PROPOSED -�.,,_
INLET (TIP.) '� -7 _ � ( ,p�- �. �..,e - PROPOSED FIRE HYDRANT
V i 6.1 I lOm/ • 2180 !/ G I 05• I ►II l4/V6�.e ♦ ',( % � � q�of afte isin i bow
SUBDIVISION MAImm, i. /V

BKBM2005PG02154
%/V"— e ,
0,0
r�
J
VICINITY MAP
NOT TO SCALE
DB. 11048, PG. 2520
BM. 1998, PG. 490
®B. 6858, PG. 804
BM. 1999, PG. 36
This certifies and warrants that the undersigned is (are) the
sole owners) of the property shown on this map or plat and
any accompanying sheets subject to the exceptions on record.
having acquired the property in fee simple by deed(s)
recorded in the office of the Register of Deeds of Wake
County, North Carolina, or otherwise, as shown below and as
such, has (have) the right to convey the property in fee
simple, and that the dedicator(s) will warrant and defend the
title against lawful claims of a// persons whomsoever unless
excepted herein and that by submission of this plat or map
for approval 1 (we) do dedicate to the City of Raleigh for
public use all streets, easements, rights of way, parks, and
greenwoys (as these Interests are defined in the City Code)
and as the same may be shown thereon for al/ lawful
purposes to which the City may devote or allow the same to
be used and upon acceptance thereof in accordance with all
City policies, ordinances, regulations or conditions of the City
of Raleigh for the benefit of the public, said dedication shall
be irrevocable, provided, any dedication of easements for
stoma dralnage are not made to the City of Raleigh but are
irrevocably made to the subsequent owners of any and olf
properties shown hereon for their use and benefit subject to
conditions of subsections (b), (c), (d) and (f) of Section 1
and Section 4 of the "My Storm Drainage Policy" (Resolution
1970 -742 as the some may be from time to time amended).
Book Page
a Notary Public of the County j
and State aforesaid, certify that ji�(U�lAnLic s ¢ YIQ
GA7� I _ personally came before me this day +
and acknowledged the due execution of the foregoing
instrument's Witness my hand and official seal, this the
..- ay of .P- _ 2012 ,V �o �
Notary Public— _
My commission xpires:— .-.-�� _____ _ , 20,Q-
This plot or map is not a subdivision,but a recombination of previously
platted property, and meets all statutory requirements for recording.
Planning Director/Wake County Review Officer
'his survey is of another category, such as a recombination of existing parcels,
c court oMered survey, or other exception to the definition of a subdivsion.
1, Robert r, Newcomb, 1N, certify that this plat was drown under rr{y
.saipervamn from an actual survey mode under my supervision from
references as noted on $aki plat,• that the boundaries not surveyed are
clearly fndketed as drown from information as indicotsd under references,
duet the raft of precision os calculated is greater than 1:10,1X10, that
this plot was prepared in accan*wce wiM 1XW 47 -30 os amended
)t° ss my Tool nature, re is tion number and seal this
2005.
e
'd
essionai Land Surveyor a -2444)
,
FA
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LEGEND
*VP — EXISTING IRON PIPE
on — SONMSET
o CP — CALCMTi:O PONft
• — CONCRM MO"ENT
pei — WATER VALVE
— SEWER MANHOLE
as - CATCH a"
— — ADJO*IAi6 LOT LILIES
SEWER EASEIdE a
to. - POWER POLE
- am-- OVERHEAD WOE
CURVE TABLE
CURVE
LENGTH
RADIUS
CHORD
C�2123-
C 1
15.25
28.36
15.07
L3
C2
6.57
40.63
6.57
LINE TABLE
LINE
LENGTH
BEARING
L1
3.62
N 1 °45' 3"
L2
37.57
S7 '57' 8"
L3
25.35
9'37'31 "W
L4
18.60
1 "
L5
23.37
07'31'1 "W
L6
44.59
S00'09' 1 "W
L7
19.39
4' "W
6 --
0
o °a
z
V)
IPS .�
All
AREA GAINED Epp CP f = rT �• .,
i CP
is 0784.09-06-1121
3. 1104$. PG. 2520 1
tM. 199$, PG. 490
ZONiIdG: iND -1 y/ NEW y
T�? PROPERTY LINE ! `
LOT `
I — 1 .�a_ tUt:l4f ORt I ►IfAV ltatC � 1
PAGE 0246q WAKE COUNTY REGISTRY
IF
f f�-1 '. • t '�.� �, s ' a >, % • :_.
w, • s r ;
• f yi i .�; i R-256-05
f SP-18-98
0Q
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—�
U. CL

cl-,r-gr-\ji
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N/F
LOT 2
MMIC TL INC PTNR 11 LLC
N/F
LOT I
MMIC TL INC PTNR 11 LLC
LINE
BEARING
DISTANCE_
Ll
N 07031'18" E
23.37'
L2
N 16*36'46" E
18.60'
L3
N 19 °37'31" E
25.35'
L4
N 13023'09" E
6.57'
I CURVE
JARC LENGTH'
IRADIUS
DELTA ANGLE
CHORD BEARING
CHORD LENGTH
IC1
115.08'
128.36' 130-27-23"
IN 07-29-27" W
114.90'
399.00
R 2os
�� _ Fq ��FHTN SFhr _
it
sia
30' RIPARIAN BUFFER - ZONE 1
20' RIPARIAN BUFFER - ZONE 2
TOTAL PROPERTY AREA: 1.94 AC.
RIPARIAN BUFFER AREA: 1.09 AC.
REMAINING AREA: 0.85 AC.*
NOTE: REMAINING AREA #1 INCLUDES
0.09 AC. OF EXISTING ACCESS ROAD
4-
II
0:
0
Z>
coo
0: 00
UQ
Z2
REFERENCES:
DB 15300, PG 475
BM 1999, PG 36
BM 2006, PG 2154
GRAPHIC SCALE
( IN FEET )
2 inch = 20 ft.
UR
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N,
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LEGEND
20' CITY OF RALEIGH
SEWER EASEMENT
20' PRIVATE STORM
DRAINAGE EASEMENT
f%llrV AC DAI Cll--U 01 lit r'klKlf-1 4Qr-lrg2Af'LfQ 0
TOTALPROPERTY AREA:
1.94 AC
TOTAL .AREA WITHIN
EASEMENTS AND/OR BUFFERS:
1.61 AC
REMAINING AREA #1:
0.08 AC
REMAINING AREA #2:
0.25 AC
TOTAL REMAINING AREA:
0.33 AC
NOTE. REMAINING AREA #1 INCLUDES
0.04 AC. OF EXISTING ACCESS ROAD
N/F
LOT 2
MMIC TL INC PTNR 11 LLC
00
z
3:
0
z?
co
w 0o 0
Ud
z z
REFERENCES:
DB 15300, PG 475
BM 1999, PG 36
BM 2005, PG 2154
Q)
t
Z
cc
N/F
LOT I
MMIC TL INC PTNR II LLC
GRAPHIC SCALE
( IN FEET )
1 inch = 20 ft.

N/F
LOT 2
MMIC TL INC PTNR II LLC
N/F
LOT 1
MMIC TL INC PTNR II LLC
LINE
BEARING
DISTANCE
N
N 07 031'18" E
23.37'
L2
N 16 036'46" E
N/F
LOT 2
MMIC TL INC PTNR II LLC
N/F
LOT 1
MMIC TL INC PTNR II LLC
LINE
BEARING
DISTANCE
L1
N 07 031'18" E
23.37'
L2
N 16 036'46" E
18.60'
L3
N 19 °37'31 " E
25.35'
L4
N 13 °23'09" E
6.57'
1
CURVE
ARC LENGTH RADIUS
DELTA ANGLE
ICHORDBEARING
ICHORDLENGT H
C1
15.08' 28.36'
30 027'23"
N 07 °29'27" W
14.90'
STREAM IMPACTS
IMPACT
NUMBER
TYPE OF
IMPACT
LENGTH
(LF)
AREA
(SF)
S1
FILL / CULVERT
145
1,360
B2
STORM PIPE
600
405
B3
TOTAL
145
1,360
BUFFER IMPACTS
IMPACT
NUMBER
REASON FOR IMPACT
ZONE 1
AREA (SF)
ZONE 2
AREA (SF)
B1
PARKING /BUILDING
8,730
6,165
B2
STORM PIPE
600
405
B3
GRADE / REVEGETATE
13,600 SQ FT
235
B4
CLEAR FOR CONST/ REVEGETATE
615
380
46 SPACES
TOTAL
9,945
1 7,185
TEMPORARY ZONE 1 BUFFER IMPACT
TEMPORARY ZONE 2 BUFFER IMPACT
WATER QUALITY DEVICE
C
SITE DATA
GENERAL
`a
TOTAL TRACT AREA:
1.94 Ac.
TRACT: 5201 TRINITY ROAD
WAKE COUNTY PIN(s):
0784 -06 -:5182
CURRENT ZONING:
INDUSTRIAL -1
BUILDING
PROPOSED USE: OFFICE/ MEDICAL
13,600 SQ FT
BUILDING HEIGHT: (MAXIMUM)
50 FT
PARKING
W
REQUIRED PARKING (1 SPACE 1300 SF):**
46 SPACES
PROVIDED PARKING:
48 SPACES
** PER CITY OF RALEIGH UDO SECTION 10- 2081(a)
O W
SETBACKS
N =
5
FRONT YARD:
50 FEET
AGGREGATE FRONT YARD AND REAR YARD:
70 FEET
WHEN REAR YARD ADJOINS ANOTHER LOT
V
100 FEET
WHEN REAR YARD ADJOINS PUBLIC RIGHT -OF -WAY
SIDE YARD:
0 FEET
IF THE AGGREGATE SIDE YARD WIDTH fS MET
AGGREGATE SIDE YARD (OTHER THAN CORNER):
40 FEET
CORNER LOT SIDE YARD:
50 FEET
REAR YARD:
0 FEET
IF YARD ADJOINS ANOTHER LOT AND THE AGGREGATE FRONT
AND REAR YARD WIDTHS ARE MET.
T
i-
z?
coo
it 00
C7
UQ
z
im, 10 m'
GRAPHIC SCALE
( IN FEET )
1 inch = 20 ft.
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DRAWING
SHEET
PROJECT NUMBER
r

O
DRAINAGE AREA
�LIMITS (TYP)
i
L
<
DRAINAGE AREA = 0.85 AC
IMPERVIOUS AREA = 0.68 AC
WATER QUALITY
• FIRST 1" RUNOFF VOLUME= 1,793 CF
• NOTE: FIRST 1" RUNOFF VOLUME TO BE
TREATED BY A PROPOSED SAND FILTER.
WATER QUANTITY
• STORMWATER RUNOFF GREATER THAN 1"
RAIN EVENT WILL BE BY- PASSED TO AN
UNDERGROUND DETENTION SYSTEM.
• STORMWATER FROM UNDERGROUND
DETENTION WILL BE DISCHARGED TO A
LEVEL SPREADER IN ORDER TO ACHEIVE
SHEET FLOW PRIOR TO ENTERING INTO THE
RIPARIAN BUFFER.
\
N/F
LOT 2
/ —
MMIC TL INC PTNR II LLC j / / � ' \ = ® 4 V°q� /q
/ /1®
' —
/ � �� ' i POSED 95�� �'
I ' i / 1CP \ P QPOSED 18 RCP ��99 c
"- -
- _
--� i PROPOSED - , pG.3Ej' ®iCWA
J. LEVEL SkEAD�
DIFFUS FLOW ONLY)
BY- Pi45S - -
STBU•CT U
-
- - - RE_ -
- -�
W 01
_ - - -- - - s��F
�W
LIU
lfl
Project: 239 -13
Prepared by: PEH
Date: 11/24/2013
Drainage Area: 37,250 SF Impervious Area: 29,802 SF
Step 1: Compute the Water Quality Volume (WQv) by the Simple Method
IA = 0.80
Rv = 0.770 R„ = 0.05 + (0.9 x IA)
RD = 1 in
WQv= 3630 x RD x Rv x A
WQv= 2,390 CF
WQvAd) = 0.75 x WQv
WQVAd) = 1,793 CF
Step 2: Determine Sand Filter Bed & Sedimentation Basin Surface Areas w/
Respect to WQv & Max. Head
hW.FRW 00 = WQVAd) / (As x At) Assume 2 feet (Can range from 0.5 - 6 feet)
',. hNh.Fi@er 00 = 2
hA (ft) = 1 Average Head
As(MIN) = (240 x Rv x AD) x RD
As(MIN) = 158 SF
Af(MIN) = (WQ*dF) / (k)(t)(hA + dF)
Af(MIN) = 247 SF where, dF = Depth of Sand Filter Bed ('
ED 0
04 0
ROP. WALL
'CATCH _ AINAGE SQ•$,v \� -�� \ \\ c �_ '\ - _` - - --
BASIN AF�EA LIMITB
/ - - - -
�; j ! I JWNQT ®N_
\ \ I ! ! ! i36 r- -= _ - :PROPOSED 36" RCP
—
-
- - _ -
RI— —
\
p1I
PROTIE
-
LOT 1 ! \ \ \ l i \ \ i �- URB
\ , \i��
MMIC TL INC PTNR 11 LLC _ — ( \ \ \ \ i \
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® \ \\\ 13,600 S.F. GROSS _ - _ \ \ ` \\ \ \ \ \ �' \ \ \ \ - \ \� \ \� \ \ \ ;ROP6
P R 9U LET
FFE = 406.0 -� -� ` - \ \ \ \ \ \ \ \
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\ \ _ J \ \ \ \ \ \ \ \ LEVEL SPREADER
CURB 1 r
RAINAGE AREA \ \ \ �� ^� \ \ \ \ \ �w \� \ DIFFUSE FLOW ONLY
INLE
LIMITS (TYP) \ \ \
\
LINE
BEARING
DISTANCE
L1
N 07 °31'18" E
23.37'
L2
N 16 °36'46" E
DRAINAGE AREA
�LIMITS (TYP)
i
L
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DRAINAGE AREA = 0.85 AC
IMPERVIOUS AREA = 0.68 AC
WATER QUALITY
• FIRST 1" RUNOFF VOLUME= 1,793 CF
• NOTE: FIRST 1" RUNOFF VOLUME TO BE
TREATED BY A PROPOSED SAND FILTER.
WATER QUANTITY
• STORMWATER RUNOFF GREATER THAN 1"
RAIN EVENT WILL BE BY- PASSED TO AN
UNDERGROUND DETENTION SYSTEM.
• STORMWATER FROM UNDERGROUND
DETENTION WILL BE DISCHARGED TO A
LEVEL SPREADER IN ORDER TO ACHEIVE
SHEET FLOW PRIOR TO ENTERING INTO THE
RIPARIAN BUFFER.
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N/F
LOT 2
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MMIC TL INC PTNR II LLC j / / � ' \ = ® 4 V°q� /q
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DIFFUS FLOW ONLY)
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Project: 239 -13
Prepared by: PEH
Date: 11/24/2013
Drainage Area: 37,250 SF Impervious Area: 29,802 SF
Step 1: Compute the Water Quality Volume (WQv) by the Simple Method
IA = 0.80
Rv = 0.770 R„ = 0.05 + (0.9 x IA)
RD = 1 in
WQv= 3630 x RD x Rv x A
WQv= 2,390 CF
WQvAd) = 0.75 x WQv
WQVAd) = 1,793 CF
Step 2: Determine Sand Filter Bed & Sedimentation Basin Surface Areas w/
Respect to WQv & Max. Head
hW.FRW 00 = WQVAd) / (As x At) Assume 2 feet (Can range from 0.5 - 6 feet)
',. hNh.Fi@er 00 = 2
hA (ft) = 1 Average Head
As(MIN) = (240 x Rv x AD) x RD
As(MIN) = 158 SF
Af(MIN) = (WQ*dF) / (k)(t)(hA + dF)
Af(MIN) = 247 SF where, dF = Depth of Sand Filter Bed ('
ED 0
04 0
ROP. WALL
'CATCH _ AINAGE SQ•$,v \� -�� \ \\ c �_ '\ - _` - - --
BASIN AF�EA LIMITB
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LOT 1 ! \ \ \ l i \ \ i �- URB
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MMIC TL INC PTNR 11 LLC _ — ( \ \ \ \ i \
® � i �\ \ \ \ - --- \ \ � \ \ \ \ \ \� \\ 6 / /ice �- " -,•. _.. � .� - ._._ _.._ '�� -• � \ \ �'
4 -STORY - - _ _ \ \ \ 1 \
® \ \\\ 13,600 S.F. GROSS _ - _ \ \ ` \\ \ \ \ \ �' \ \ \ \ - \ \� \ \� \ \ \ ;ROP6
P R 9U LET
FFE = 406.0 -� -� ` - \ \ \ \ \ \ \ \
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aw I I
C f \
\ \ \ \ \ \ \ \ \ \ STORM-Nn \ J
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PROP. \ \ \ \ \ \ \ \ PROPOSED"
\ \ _ J \ \ \ \ \ \ \ \ LEVEL SPREADER
CURB 1 r
RAINAGE AREA \ \ \ �� ^� \ \ \ \ \ �w \� \ DIFFUSE FLOW ONLY
INLE
LIMITS (TYP) \ \ \
\
LINE
BEARING
DISTANCE
L1
N 07 °31'18" E
23.37'
L2
N 16 °36'46" E
18.60'
L3
N 19 °37'31" E
25.35'
L4
N 13 °23'09"
W
WJ
PRO
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CURVE ARC LENGTH RADIUS DELTA ANGLE CHORD BEARING CHORD LENGTH \h,,, \ ti; 7 `� ---�• ,�
C1 15.08' 28.36' 30 °27'23" N 07 029'27" W 14.90' \ \ / c� \ \ ��\`�,
icURB INSET/ \ \ \ \ ��22� J !y
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UNDERGROUND \ \ \ 8 1 16 I I
DETENTION (UGD) \r 00 \ \
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REFERENCES:
DB 15300, PG 475
BM 1999, PG 36
BM 2005, PG 2154
GRAPHIC SCALE
C 10 40
( IN FEET )
I inch = 20 ft.
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