1390 BEGONIA ST -REV. SITE DRAWINGS rrirrrara
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OPTIONAL POST POSITIONS
POST I'OPTIONS: 2"X4" CR 2 1/2" MIN. 200±
DIA. WOOD, STEEL 1.33 LBS.,/FT. MIN. 4 -PRINCIPLE POST
M POSITION (CONTEa)
O' MAX. .-,..� FILTER- 20° TOWARD FLOW)
FABRIC >
- FILTER FABRIC
L
PIP" II EI
SILT FLOW
GRADE
00
1:
FND, GN MOf`JT MES ELEVATION
(5.0 (NO I.D.) ELEV. (4,46; Sr.GTIaN
.
Fr7l TYPE III SILT FENCE
6 ± D I T C H N.T.S.
. . . (T`✓PICAL) EROSION CONTROL NOTES:
o X12" WOOD POST
1H1OH 1. ALL AREAS DISTURBED AND LEFT' FOR MORE THAN 30 DAYS MUST BE SEEDED AND
MULCHED 'UNLESS OTHERWISE NOTE.. CONTRACTOR MUST MAINTAIN NEWLY GRADED
---. -- ------�--- ---�-------,--� -------�-----�-- - --~ -- ---~--- --�---•----~- AREAS AND REPAIR AREAS WHERE S E:TTLI NC AND EROS ON HAVE OCCURRED.
0 2. CONTRACTOR MUST PROVIDE ALL MATERIALS AND TAKE WHATEVER MEANS NECESSARY
MANHOLE TO PREVENT THE EROSION OF AND DEPOSIT OF SEDIMENT ON ADJACENT AND
(6°2) ELEV.V, 6.69 DOWNSTREAM PROPERTIES. CONTRACTOR MUST IMPLEMENT AND PROVIDE SUITABLE
(5.01 } ,% �, ( EROSION CONTROL MEASURES (I.E. SEDIMENTATION BAR IERS, HAYBALES,
SILTATION CURTAINS, TEMPORARY DETENTION DISTILLING BASINS, ETC.) TO
co 0
ENSURE 1" THE
oi EN CH M ARK H AMOUNT OF EaROS ON LPROTECNTROL OF TION REQUIRED RMWATER RUNOFF.
PROPO$ED ACTTI�IIITIES.DESCIIN THEMINIMUM
EVENT OF UNFORSEEN EROSION, OTHER MEASURES OF EROSION CONTROL (EROSION
T-l—)":
UVOOD F'C�WER CONTROL ACTIVITIES SUCH AS THOSE LISTED ABOVE) WI�.L BE REQUIRED.
WEST 14th � E POLE
0 3. TURBIDITY BARRIERS MUST BE INSTALLED AT ALL LOCA'IONS WHERE THE
(50. 0 FOOT RIGH "—OF--WAY) PK NAIL 1N POLE POSSIBILITY 01" TRANSFERRING SUSPENDED SOLIDS INTO' THE RECEIVING WATERBODY
ELEVATION 7,83 � EXISTS DUE TO THE PROPOSED WORK. TURBIDITY BARRIERS MUST REMAIN IN PLACE
(4.7 5) % NOT P A VED ( AT ALL LOCATIONS UNTIL CONSTRUCTION IS COMPLETED AND SOILS ARE STABILIZED
�..�. a VEGETATION ESTABLISHED. TER AFT R' T R
C}� _ :AND EGET TION HAS BEEN EST BLfS ED H E� E HE PERMIT, WILL BE
6,
_ _.__..�--•, 6 WILD OLIVE 3 RESPONSIBLE FOR THE REMOVAL OF THE BARRIER
S.
6 HICKORY 4. PERMANENT VEGETATIVE COVER MUST BE ESTABLISHED ON ALL EXPOSED LAND
.... ! SURFACES WITHIN ONE YEAR FROM THE DATE THE CONSTRUCTION IS COMPLETE.
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7 OAK �'� OAK 5. CONTRACTOR SHALL PLACE 'SILT FENCE ALONG PROPERTY LINE AROUND THE ENTIRE
102 .00SITE PRIOR TO COMMENCEMENT OF CONSTRUCTION.
OCRETE SSW (3 }
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Q
`� 4' a ,
-�(-�6-.-6-6)
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REQUIRED S-ORMWATE STORAGE G
LUME (PER CITY OF ATLANTIC BEACH)
PROPOSED STORMWATERPRE- DEVELOPMENT RUNOFF VOLUME:
- UQ 4 �.a.ST; RA E ARE
, DRAINAGE AREA --- 162 S,F,
ui ui THE ENTIRE SITE DRAINS FROM BEGONIA STREET TO THE WEST OR REAR
THE ENTIRE .SITE IS UNDEVELOPED WOODED
A•' a, .F .� < ��r••� RATIONAL RUNOFF COEFFICIENT C -- 0.2
.�
40
0- < ENTIRE PRE--DEVELOPMENT SITE IS PERVIOUS
4. t LL 25 YR. --- 24 HR. RAINFALL DEPTH FOR ATLANTIC BEACH -- 9.3 INCHES
�'� ° ` �: w I-�-- RUNOFF VOLUME — (0.20) X (7,162 S.F,) X (9,3 INCHES/12 INCHES/FOOT) -- 1 ,110 C,F.
PROPOSED 1 . TOR Y RESIDENCE � � C
F .F. ELEV. — 7.83 O POST---DEVELOPMENT RUNOFF VOLUME.
,- DRAINAGE AREA -- 7,162 S.F.
(4.9) �` ',4) z Z PERVIOUS AREA (ROOF, DRIVEWAY &r SIDEWALKS) -- 3,C)19 S.F.
PERVIOUS AREA 7,162 S.F. — 31019 S.F. = 4,143 S.F.
17 PAL. .
9" MAC a • �-- , C WEIGHTED RATIONAL RUNOFF COEFFICIENT "C" = (.2) X (4,143 S.F.) -- (1 ,0; X (3,019 S.F,)/7,162 S.F .
° J WEIGHTED RATIONAL RUNOFF COEFFICIENT "C" = 0.54
I 8" MA NO IA D 25 YR. -- 24 HR. RAINFALL DEPTH FOR ATLANTIC BEACH = 9.3 INCHES
I ...r...� :, o O 0 _
g 0 1 w r RUNOFF VOLUME � (0.54) X (7,102 S.F. X (9.3 INCHES,/12 FICHES/FOOT) = .2,997 C.F.
i I ° SICK R - o a.. � `
REQUIRES) STORAG'� VOLUME: 2,997.8 C.F. --- 1 ,110 C.F. = 1 ,887 C.F.
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STORMWATER STORAGE VOLUME::
ELEVATI ON ARE
A (S.F.)
2 PALM
6 WILD
6.0 21466 S.F.ww 6.47 5.0 1 ,361 S.F.-7: --0LIVE
,� >-- 8" PALM4 c) °
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° ' ° ` TATA STORMWATER STORAGE VOLUME' = Z 466 S.F. + 1 ,361 S.F./2 X 1 ..0 FT. = 1 ,,913 C.F. > 1 ,88-/ C.F.' OK
102 . 00' _
IR (6,64) PROPOSED STC}RMWATE_R MANAGEMENT SYSTEM MEET THE MINIMUM REQUIREMENTS OF THE CIT OF ATLANTIC BEAl;H
FD -1 /2" ON � 19.0 ��
(LB 3231 ) � FD. ^1 /Z IRON
RLES 3129
IN S _ALL SILT FENCE (HE DETAIL) LEGEND
N OTE: (6.4) EXISTING SPOT ELEVATIONS
ENTIRE ROOFSHALT_ HAVE GUTTERS AND DRAINAGE DIVIDE (TYP. �
�-' �-� —__ ,T � ._.. FINAL GRADING CONTOURS
ALL DOWNSPOUT: SHALL_ DIRECT RUNOFF DRAINAGE AREA � � � S. F. 5.o iNORTH
INTO STORM WATER STORAGE AREA
MAGNOLIA A;-'N EXISTING TREES
M .�
/ l '). F I SILT FENCE
N
• 1,J
A0
h r d (/_ FINAL GRADES
X (Ap
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e
DRAINAGE FLOW DIRECTION ARROWS: ! = �'
A II c�ownspas i�u
POST— DEVELOPMENT DRAINAGE ALAN
IMPROVEMENTS . �. ... ._. .
DESIGNED BY: PROJECT NQ
DRAWING:CONSTRUCTION PLANS UQ °, SITE\KEVIN MARTIN BEGONIA\
Aff v R GINEERING OF RY B . BEGONIA DRAINAGE REV PLANE
IN
SITE DRAINAGE a.
NN BY: FIELD BOOK N o; PAGE(S)
FO FR
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��.��.� FLORIDA, PROPOSED � . �.--.�–..�. .�.. ,�-�- a �T �� ��-u .�...�...�. - � 1
Am& x., SCALE,
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FLORIDA, INC. � �vWjArlF P R ' � I tN, C•�= 1 0,
OF STREET & WEST 14 th STREET RnN ��. .,f ��I �� DATE:
4Qif1 S7". JOHNS AVE'NtlACCCS+�NYILLE, 'L131�,� '12,2a � t $-7.29 p _ .-- ----- --�- --. FLA:
.. ATLANTIC BEACH , FLORIDA N� DATE REVISION BY AU�..�� � 11 /20/2015