SW7080905_APPROVED PLANS_20090316

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
HISTORICAL FILE
❑. COMPLIANCE.EVALUATION INSPECTION
DOC DATE�/%�
YYYYMMDD

EXISTING "MARLIN POND"
WET -DETENTION BASIN
BOTTOM SURFACE AREA: 9.394 S.F. O ELEV. -2.8
PERM. POOL SURFACE AREA:9394 S.F. O ELEV. 2.2'
APPROXIMATE PERM. POOL VOLUME 28,182 CU.F.Tt \
TEMP. POOL SURFACE AREA:9 394 S.F. O ELEV. 2.77'
TEMPORARY POOL VOLUME: 5.376 CU.FT.
TOP OF BULKHEAD ELEVA1ION:3.5'3
MAX. POOL SURFACE AREA:17,630 S.F. O ELEV. 4.5'
MAXIMUM POOL VOLUME: 36,G83 CU.FT.
It (NO APPARENT OUTLETS LOCATED)
(SEE PLAN AND SECTION DETAILS)
NC HWy 64
PROPERTY DATA
DER/OWNER : ROANOKE PROPERTIES, LTD
1 SAILFISH DRIVE
MANTEO, NC 27954
PTION DATA :LOT: MARKETPLACE PARCEL 4
PIN: 10-9799-10-37-8190
STREET ADDRESS: 4 SAILFISH DRIVE, MANTEO, NC 27954
RECORDED REFERENCE: P.C. G SL. 98
TRACT AREA: 32,114.6 SO. FT. (0.74AC.)
JRVEY DATA : LOT BOUNDARY INFORMATION BASED ON RECOMBINATION PLAT
TITLED "PIRATES COVE MARKET PLACE, PARCELS 3A, 3B, 3C, & 4"
PREPARED BY BISSELL PROFESSIONAL GROUP, DATED 9/6/05.
�S•
THE DATA SHOWN HEREON IS BELIEVED TO BE ACCURATE, BUT THE
ACCURACY CANNOT BE GUARANTEED. THE CONTRACTOR IS RESPONSIBLE FOR
VERIFYING ALL LEVELS, LOCATIONS, TYPES AND DIMENSIONS OF EXISTING
UTILITIES PRIOR TO THE COMMENCEMENT OF CONSTRUCTION. IF A
DISCREPANCY IS FOUND, WORK SHALL CEASE AND THE ENGINEER NOTIFIED.
WORK SHALL PROCEED UPON AUTHORIZATION GIVEN BY THE ENGINEER.
JAN - 2 2009
RECORDED UNDER PLAT CABINET G, SLIDE 98. CANAL _ CANAL CANAL
HORIZONTAL LOCATION AND DIMENSIONS OF PAVILION ARE BASED ON AN
AS BUILT SURVEY TITLED "MARKET PLACE PARCELS 3(C) & 4 PIRATES "- - - - - - - - - -
COVE TOURNAMENT PAVILION" PREPARED BY ADVANTAGE LAND - - -- -1 I - - - - - -
SURVEYING. P.C. DATED 9/2/06.
TOPOGRAPHIC INFORMATION BASED ON SITE SURVEYS AND FIELD MARKET PLACE PARCEL 1 \ \ \ \ \
I RECOMBINATION PLAT
INVESTIGATIONS PERFORMED BY BISSELL PROFESSIONAL GROUP FROM - __ P.0 E SL 375 \ \ \ \ \
JANUARY 2005 THROUGH AUGUST 2008. -.... -_....-NOW OR-TORM€RLY_.
ELEVATION DATUM: IJGVD 1929 ROANOKE PROPERTIES, LTD. - \
r
N
EXISRNG
/ 4"W DROP: 1/ > 4• .
INLET
)' r
_ 4 r
1
k'
Q I
N� �CLE
cn D,
a o
n
PIN 10-979910-37-8325
SALES CENTER I EXISTING STORMWATER
_ PRE-TREATMENT BASIN \ 99 \ 9F \ v \ 9 \
EXISTING DRAW DOWN TOP ELEVATION:4.5't UP
20"0 NYLOPLAST DROP INLET TOP AREA: 2,122 SF.3 -' -- \ O� \ .n p \�' (1�' O \
RIM ELEV.: 3.04' BOTTOM ELEVARON:3.3'3 00 0 O[C�,` 00 0 0
M AREA: 444
W/DRAINAGE P FOR OOWN *, CONVEYANCE TO "MARUNPONDSTORAGE OVS VOLUME: 51 40CU.FT.t \ lOcs L�
SCHEDULED FOR REMOVAL & \
(SEE SECTION DETAIL) \ V N �9 wr,9 W WN"Y \
- REPLACEMENT ��9 �O _ __ _______: T _ LI (SEE SHEET 2 OF 2) O
y
PROPOSED EASEMENT -' ', -...'- _.__...
A 5 WIDE STORMWATER MANAGMENT. - 'x.' \ y
- -
_.. OPERATION AND MAINTENANCE + _ _ _____ q_
_ ______ - _. 1111
EASEMENT SHALL BE LOCATED \ \ \\ �O13 \ \
AROUND THE PERIMETER OF THE \ "TEMPORARY EASEMENT \
SWALE. ACCESS PROVIDED VIA - PROPOSED
__ "_"_-_�___ :: SAILFISH /W. s -5 PROPOSED -.\ ....._ _.._ WIDE STORMWATER MANAGMENT.
DRIVE ADJACENT SAILFISH DR R 4 0 \
sa_,`. \ EASEMENT SHALL BE LOCATED
- �3 - - - \ * OPERATION AND MAINTENANCE
50 R/W - PRIVATE
_ -- 24' ASPHALT ROADWAY
- : x rs ar - .. PR
ox PRDRAIN
_.. ADJACENT SAILFISH
4" SCH 80 PVC
-- INV. OUT: PROPOSED OUTLET DEVICE AROUND THE PERIMETER OF THE
--ESS PROVIDED VIA
-------- ----- - PROPOSED 1 "0 D AIN BASIN
__ _ ... _ --S _ GRATE OUT: 4.30 MSL/W
... 5 ,__. �� �_:_. �. EOP
_,. ._ _. - - _._____ s ' a � --___ c a _ 4"0 OUTLET PIPE INV.EOUT:R3.30' MSL".. :. .,
_"______ 5- ._ - .- s _ - _____ __ ____� -.e+ (SEE DETAIL SHEET 2)
_ - - -. EXISTING ----5'0 PVC SUMP DISCHARGE LINE '� r x S .2 3?s - 'a' J _ _ _'3-L. x"' 4 -` ay JA ENCCEXISTING INFILTRATION BASIN
_ - _ - �_ _______ __________ _______�________ _________________. __ ____ y_v__________ss. �A,.�_ _ J _ - D r� °sa DR R
-" i "". -- (APPROXIMATE LOCATION) 4 _ 1 3+ _ �4• a EXISTING VOLUME: ANSI CF.
___ 5- _ sr> as >. _ B x,>s SCHEDULED FOR EXPANSION IN
2"0 PVC - r' - _ -- _______ __ __ - _ S x `s - a>o 144.7 - - - - RSB���� _ .. CONJUNCTION W/UNDERLYING SOILS
1 PIPE REMOVAL & REPLACEMENT,
N R 5' �O>_ _ '
W _ _
ADJUSTED -VOLUME--'T..99SII:F.
PROPOSED EASEMENT - sJ s a
A VARIABLE WIDTH STORMWATER - : a, _'_-_ ` • 3q --- __
- MANAGMENT i YR
VC'- ,-- - - - -- MAINTENANCE EASEMENT SHALL BE AT10N AND PROPOSED
DROP INLET' -- _ R -
-�� 3 0 P S - _. - - LOCATED AROUND THE OUTER t2) DNE .. - a,> GRATE ELEV.: 5.3'
VEYAN d PERIMETER OF THE INFILTRATION :4" HOPE INV. IN:3.25' p Al
` CON EXISTING :- x ':.-`' TRENCHES. ACCESS PROVIDED VIA
PROPOSED se Eaeft8"0 HDPE PERFORATED PIPE
•• ,<__ _ •, �` 2 12"X 12" 12.0 NYLOPLAST DROP INLET s p' ADJACENT SAILFISH DR R/W. ---------- INV. OUT.:3.0 EXISRNG DROP INLET p I""" -----" • - � _ �ROP INLET GRATE ELEV.:5.3' s6 ' (SEE DROP INLET DETAIL) : R6'-R P O TION C5 I .
' --' -- 4" HDPE INV. IN:3.25' -_ W A PR TEC -
•A-. _ .: --_ (R OVEA FROM SERVICE) m ' -' - 1
'; I_♦ - 12'0 HDPE PERFORATED PIPE � '^
t INV. OUT.:3 0' _ e
n (SEE DROP INLET DETAIL) J> 36.30 m - - -- -- ----
i'CONC. SLAB • 0 36.30 m .. . PROPOSED
- : NOW OR FORMERLY w + ' o o m 12 0 NYLOPLAST DROP INLET _
_ y 35.70 0 :.'•. CONC. 9CA$ t,: c 36.40 .3 :. -GRATE ELEV.: 5.3'
35.80 o s + - 4" HDPE INV. IN:3.25'
FUTRELL PROPERTIES, LIMITED z q
-PARTNERSHIP NO. 1 " \\
..• - asz 12"0 HDPE PERFORATED PIPE
1008 OAK CREEK ROAD -- : INV. WTI.: 3.0'
i RALEIGH, NC 27615 x Q
.PIN 10-9799-10-36-7926 ass - (SEE DROP INLET DETAIL)
.- i%/ • - D.B. 1454 PG. 424 Q FLOW INFILTRATION
-
P.C. E SL ss6 TRENCH PIRATES COVE MARKET PLACE PARCEL 3(C
A' m PROPOSED 68 L.F. OF
as ow-Q-FLOW 10"0 SUBSURFACE PIRATES COVE TOURNAMENT PAVILION Q FLow INFILTRATION ROANOKE PROPERTIES, LTD.----
_ DRAINAGE PIPE BUNDLE OF NOW OR FORMERLY
WOpp FRAM )
r E OPEN SIDED PAVILION -
PROPOSED // (4) FOR 272 L.F. TOTAL OVER CONCRETE TRENCH 1 SAILFISH DRIVE
--f 12'0 NYLOPLAST DROP INLET r7 (SEE DETAIL SHEET 2) SLAB SLAB FLppB PROPOSED 80 LF. OF _w `r MANTEO, NC 27954
• • - . GRATE ELEV.:4.4'-EVATI :5.5T Q-FLOW 10"0 SUBSURFACE o F:N 10-9799-10-47-0156
4" HDPE INV. IN/OUT: 3.4' I DRAINAGE PIPE BUNDLE OF ,
a (SEE OROP INLET DETAIL) (L (4) FOR 320 L.F. TOTAL (SEE - 1 P Q G SL. 98 _
T-T 11 FUTURL SITE OF SAILFISH VILLAS -` SAILFISH VILLAS CONDO, BLDG 6000
- SFr :' DETAIL T 2)
,/ - ROANOKE PROPERTIES, LTD.
SHEET ,
CONDO BLDG 7000)
�z/' ! 35.80 ONOW OR FORMERLYS,
. �- - _ _ m 1 SAILFISH POINT
36.30_ _ __ m 35.80 : MAN -1 27954
o rs - _ _ PIN 10-9799-10-47- 283E
E��- - ab zs o 36.30 0o m __ _ -"' _ _ 6 .• • PROPOSED P.C. G SL. 98
__ 5 4y� D� s� o._____36.3p ___SJ9 ..12"O NYLOPLAST DROP INLET
1� _ 15• GRATE ELEV.: 5.2'
J I ., v _ __ _ EASEMENT-_4" HDPE INV. IN/OUT: 3.T
if ❑ ,ter V E POWER
SEE DROP INLET DETAIL) I
i EXISTING
••�:' \ ' PUMP HOUSE FOR -�
N IN CENTER - -
FOUNTAIN
\ OF POND
\ / DRAINAGE AREA
Jc TRIBUTARY DRAINAGE ARE
\ TO 'MARLIN POND
I �
/PROPOSED EASEMENT
A IV WIDE STORMWATE
MANAGMENT OPERATION ,
MAINTENANCE EASEMEN
SHALL BE LOCATED AROL
THE PERIMETER OF PONI
EXISRNG BULKHEAD. ACC
PROVIDED VIA ADJACEN
PIRATES WAY R/W
- --- - _ -
EXISTING BOARDWALK a �J �, S 62 '36' W s
73
_ PROPOSED _
12'0 NYLOPLAST DROP INLET -
GRATE ELEV 5.0' - PROPOSED
4" HDPE INV. IN/OUT:3.25' 12'0 NYLOPLAST DROP INLET X
(SEE DROP INLET DETAIL) --, EZ1'INFlLTftATLON GRATE EtEV.:S.O'
' PROPD$M 90 LF OF : 4" HOPE INV, IN/OUT 3.25' -
PROPOSED E t 7_11 10*#,SOW ACE (SEE DROP INLET DETAIL) G7 NORTH CAR
"' ! 12"0 NYLOPLAST DROP INLET DRIMNAGE'PiPENUE BUE
GRATE ELEV.c5:.0' (4) l-OR �aao :L# ;.'MTAL (SEE C7 DOE
PROPOSED 9t'f i i#.' D-F O
4" HDPE INV, OUT;3.25` DEFw;S14P,ET 2) O DIVISION
Ez-PLaw TO`F S SURFACE
T tAINAi;i PIPE' 1D1.E:$F (SEE DROP INLET DETAIL)
(4) FOR.360 Lf., T67AE<(SEE CONSTRUCTION SEQUENCE DBj,B
DETA6. SHEE'€ 2) SCHEDULE
CONSTRUCTION ACTIVITY SCHEDULE StaRllW iter PH
Construction Access- First land-disturbing��`
Construction entrance, activity -Stabilize bare areas 3//� fZcSLer
construction routes, equipment immediately with gravel & -
rk' tem orar ve etation as
_
pa Ing areas
p y 9
construction takes place.
_
Sediment Traps & Barriers
Install principal basins after
Basin traps, sediment fences,
construction site is accessed.
& outlet protection
Install additional traps and
barriers as needed during
grading.
NOW OR. FORMERLY
PIRATES COVE YACHT CLUB
Runoff Control-
Install key practices after
A CONDOMINIUM
Diversions, perimeter dikes,
principal sediments traps and
U,O, FILE:.4 PG 345
water bars, and outlet
before land grading. Install
protection
additional runoff -control
conveyance measures during
grading.
Runoff Conveyance System-
Where necessary, stabilze
Stabiles streambanks, storm
streambanks as early as possible.
drains, channels, Inlet & outlet
Install principal runoff conveyance
protection, slope drains
system with runoff -contra!
_
measures. Install remaindeof
system after grading.
Land Clearing & Grading-
Begin major clearing and grading
Site preparation- cutting,
after principal & key
filling & grading, sediment
runoff -control measures area
traps, barriers, diversions,
installed. Clear borrow & disposal
drains, surface roughening
areas as needed. Install
additional control measures as
-
grading progresses. Mark trees &
- ---
buffer areas for preservation.
-
Surface Stabilization-
Apply temporary or permanent
- -
Temporary & permanent
stabilization measures
seeding, mulching, sodding,
immediately on all disturbed
- -
riprap.
areas where work is delayed or
complete.
Building Construction-
Install necessary erosion &
Buildings, utilities, paving.
sedimentation control practices
as work takes place.
--------.__
Landscaping & Final
Stabilize all open areas, including
- ----. _.
Stabilization-
borrow &spoil areas. Remove &
-"---
Topsoiling, trees & shrubs,
stabilize all temporary control
"----
permanent seeding, mulching,
measures.
_
'-- - -- ._
sodding, riprap
30
LEDGEND
----
= RIGHT-OF-WAY
- - - -
= ADJOINING PROPERTY LINE
= EXISTING BASIN TOP OF BANK
- - - -
= EXISTING BASN TOE OF SLOPE
----- 4-------
= EXISTING GRADE CONTOUR
.
= PROPOSED EZ FLOW FRENCH DRAIN
= PROPOSED CULVERT PIPE
a
= EXISTING IRON ROD
_ -
= EXISTING FIRE HYDRANT
4.70"
= EXISTING GRADE SPOT ELEV.
-
= EXISTING CATCH BASIN
= EXISTING GRAVEL PARKING/DRIVE
= EXISTING WATER SURFACES
0
= EXISTING CONCRETE SURFACE
= EXISTING LANDSCAPING STONE
®
= EXISTING WOODEN WALKWAY
= EXISTING RIP -RAP
CURVE TABLE
CURVE
LENGTH
RADIUS
1 DELTA
CHORD BEARING
CHORD
C1
58.96'
175.00'
1 19-18'12"
1 N69-03'51"W,
58.68'
C2
1 39.40'
225.00'
1 10.02'00"
1 N73.41'57"E,
1 39.35'
GRAPHIC SCALE
15 30 60
( IN FEET )
i inch = 30 ft.
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s� I IN
DATE:
1111
E: A
09102108
1"=30'
DESIGNED:
CHECKED:
BPG
DMR
DRAWN:
APPROVED:
DMK
DMR
SHEET:
1
2
OF
CAD FILE:
3114-PAV-CR
PROJECT NO:
3357
J

LZ
EX. VEGETATIVE SHELF
13:1 AVG. SIDE SLOPES
-WIDTH VARIES 10'-24'
EX. FINISHED
ELEV.: 5.0'3
POOL ELEV. = 4.5'-
POOL E'^V1-LEV 277~
ANCNT Pnnl GI cV -
f_u
EXISTING WET -DETENTION POND
BOTTOM SURFACE AREA: 9.394 S.F. O ELEV. -2.8
PERM. POOL SURFACE AREA: 9,394 S.F. O ELEV. 2.2'
APPROXIMATE PERM. POOL VOLUME: 28,182 CU.F.T±
TEMP. POOL SURFACE AREA:9,394 S.F. O ELEV. 2.77'
TEMPORARY POOL VOLUME 5,376 CU.FT.
MAX. POOL SURFACE AREA 17,630 S.F. O ELEV. 4.5'
MAXIMUM POOL VOLUME: 36,083 CU.FT.
(SEE TYPICAL SECTION BELOW)
PROPOSED EASEMENT
A 10' WIDE STORMWATER MANAGMENT
OPERATION AND MAINTENANCE EASEMENT
SHALL BE LOCATED AROUND THE PERIMETER
OF PONDS EXISTING BULKHEAD. ACCESS
PROVIDED NA ADJACENT PIRATES WAY R/W.
EXISTING WET -DETENTION POND PLAN "MARLIN POND"
SCALE: 1"=20' (LOCATION AS DENOTED ON PLAN)
EXISTING WET -DETENTION POND
BOTTOM SURFACE AREA:9,394 S.F. O ELEV. -2.8
PERM. POOL SURFACE AREA:9,394 S.F. O ELEV. 2.2'
APPROXIMATE PERM. POOL VOLUME 35,732 CU.F.T±
TEMP. POOL SURFACE AREA:9,394 S.F. O ELEV. 2.77'
TEMPORARY POOL VOLUME: 5,376 CU.FT.
MAX. POOL SURFACE AREA:17,630 S.F. O ELEV. 4.5'
MAXIMUM POOL VOLUME: 35.732 CU.FT.
(SEE PLAN NEW ABOVE)
WIDTH VARIES 20'-63'
PROPOSED
GRADUATED
FLOW SEDIMENT ACCUMULATION BENCHMARK
(SEE TABLE)
EX. GRAVEL MAX. POOL ELEV. = 4.5'
AVG. BOTTOM ELEV. = 3.3'
PVC SUMP PUMP DISCHARGE
EX. 20" 0 NYLOPLAST DROP INLET W/ EX. SUMP PUMP
(SEE REPLACEMENT DETAIL BELOW)
[gLINLET eoTTom INV.: 1.0'
EXISTING STORMWATER PRE-TREATMENTBASIN TYPICAL SECTION
SCALE: 1"= 3' (LOCATION AS DENOTED ON PLAN)
BASIN BOTTOM DESIGN
DESIGN TOP DESIGN TOP DESIGN BOTTOM DESIGN BOTTOM DIMENSIONS (Ft.) DESIGN STORAGE SED. REMOVAL
BASIN I.D. (FMSL) AREA (S.F.) ELEV. (FMSL) AREA (S.F.) LENGTH X WIDTH DEPTH (Ft.) (CU.Ft.) ELEV. (FMSL)
BASIN /2-A 4.50 1 Z122 1 3.0 444 VARIES 1.50 1 1,540 1 3.40
NOTE: ACCUMULATED SEDIMENT SHOULD BE REMOVED DOWN TO THE BASINS ORIGINAL DESIGN DEPTH.
-H
8" 2'-6" 8" FINISHED n I
GRADE
FLOW
EX. ASPHALT
i_=i
►
D 840.16
FRAME & GRATE
�o
•
., , .,
s��'1��•�
� EX. PIPE
0 QUICK DISCONNECT
60av
aA�S.1.1LZ,�,_Zw
8" 2 -6" 8 (2) MYERS MODEL ME40,
4/10 H.P. SUBMERSIBLE
EFFLUENT PUMP, 115 VOLTS
PLAN VIEW SECTION B-B
PROPOSED DROP INLET/PUMP STATION DETAIL
NOT TO SCALE NCDOT STD 840.32
EXISTING STORMWATER
EXISTING DRAWDOWN PRE-TREATMENT SWALE
20"0 NYLOPLAST DROP INLET W/ TOP ELEVATION:4.5't
FLOAT ACTUATED SUMP PUMP. TOP AREA: 2,122 S.F.t
ARLF�SH
PUMP DISCHARGESTBOTTOM ELEVATlON:3.3!±
PONDTOTHEWEST.EXISTING So DRIt.E BOTTOM AREA: 444 SF3
/W_ VOLUME:
RIM ELEV.: 3.0' (TO BE REPLACED) Pif/V\� STORAGE
______________-_----_ DETAIL BELOW)
__ SEE
;\
EXISTING
TOP ____---_
BANK
PVC SUMP PUMP
_
ELEVA -� �
TON:
DISCHARGE ONE
2,
�OQ 4,5• E �� 4" SCH PVC �
- TOE �
__ sa m _- _-'F'
I -��s� ' _ * SLOPE E INV. OUT.: 3.3' EXISTING
�A
��� TIE INTO BOTTOM OF SWALE DROP INLET (TAKEN
L\ w TON:30•t
_
OUT OF SERVICE)
150.:
EOG
-. .EXISTING GRAVEL PARKING 1+ -- _- -
EOG
-_
PROPOSED &DRIVE _-- PROPOSED - .. _ -___
8" SCH 80 PVC -_
DROP INLET REPLACEMENT
INV. OUT.: 3.25'. GRATE 3MSL
TIE INTO BOTTOM OF SWALE CONNECT TO EX. PVC
2.5
TO EX. .5
CONVEYANCE ONE (SEE DETAIL BELOW)
PROPOSED EASEMENT
EXISTING STORMWATER PRE-TREATMENT DEVICE PLAN A 5' WIDE STORMWATER MANAGMENT
SCALE: 1"=20' (LOCATION AS DENOTED ON PLAN) OPERATION AND MAINTENANCE EASEMENT
SHALL BE LOCATED AROUND THE
PERIMETER OF THE SWALE. ACCESS
..
PROVIDED VIA ADJACENT SAILFISH DR
DROP INLET GENERAL NOTES R/w.
2-1/4%3-5/8%7-5/8" 1. SPECIFICATIONS ATTACHED HEREON REFLECT THOSE AS OUTLINE IN NCDOT
STANDARD 84.015, BRICK DROP INLET. AN ALTERNATE PRECAST DROP INLET MAY
CONCRETE OR CLAY BRICK,
BE UTILJZED BASED UPON PRIOR APPROVAL BY THE ENGINEER.
ALTERNATE EVERY OTHER
2. DROP INLET DESIGN SPECIFICATIONS SHALL CONFORM TO LATEST ASTM C913
COURSE (AS SHOWN)
SPECIFICATIONS FOR "PRECAST CONCRETE WATER & WASTEWATER STRUCTURES.
3. CONCRETE COMPRESSIVE STRENGTH SHALL BE A MINIMUM OF 4,000PSL
4. STEEL REINFORCING DESIGN TO CONFORM TO THE REQUIREMENTS OF ASTM C890
SPECIFICATIONS FOR "STRUCTURAL DESIGN LOADING FOR WATER & WASTEWATER
.
\
STRUCTURES" AND SHALL UTILIZE GRADE 60 RE -BARS CONFORMING TO THE
_
\
SEQUIREMENTS OF ASTM A615 OR WWF CONFORMING TO THE REQUIREMENTS OF
i\-
ASTM A185 OR BOTH.
5. PROVIDE ADDITIONAL REINFORCING AT OPENINGS AS REQUIRED PER NCDOT
_
REQUIREMENTS.
8"
2'-0" I 8^
6. MINIMUM DESIGN SHALL BE H-20-44 LOADING.
7. STEPS SHALL BE REQUIRED ON DROP INLETS OVER 3'-6" IN DEPTH. STEPS SHALL BE
3'-4"
STEEL REINFORCED COPOLYMER POLYPROPYLENE PLASTIC AND MEET THE
REMEQUAL).
NTS OF ASTM C47.SECTION
A -A
8. TOTALR HEIGHT OF STR CTURE ASO SPECIFIED
9. PIPE PENETRATION TO BE AS SPECIFIED. PIPE TO BE INSTALLED AS PER NCDOT
COVER
PLAN VIEW STANDARDS FOR MORTAR JOINT CONNECTIONS.
10. JOINTS TO BE SEALED WITH BUTYL RUBBER JOINT SEALANT CONFORMING TO THE
REQUIREMENTS OF ASTM C990, OR MORTAR AS PER NCDOT REQUIREMENTS OR BOTH.
11. ANY DEVIATIONS FROM THE APPROVED PLAN & SPECIFICATIONS SHALL BE APPROVED
BY THE ENGINEER PRIOR TO CONSTRUCTION.
_ PROPOSED SAILFISH DRIVE
4.O SCH 80 PIPE 50' R/W - PRIVATE
INV. OUT: 3.30' PROPOSED
TOP OF BASIN PROPOSED _
._....____ .....DRAIN BASIN OVERFLOW
GRATE ELEV.: 4.65' MSL
BOTTOM ELEV.: 2.25' MSL EXISTING
4" PIPE INV. OUT: 3.3' MSL `TOP OF BASIN
DESIGN TOP DESIGN TOP DESIGN BOTTOM DESIGN BOTTOM
• - c BASIN I.D. (FMSL) AREA (S.F.) ELEV. (FMSL) AREA (S.F.)
BASIN #3 4.65 1 1,485 1 3.0 610
BASIN BOTTOM DESIGN
TING DESIGN STORAGE SED. REMOVAL
INFILTRATION BASIN ASPEXISDIMENSIONS OM
HALT DRIVEL LENGTH X WIDTH DEPTH (Ft.) (CUYL) ELEV. (FMSL)
-.EXPAND BASIN LIMITS (ASSHOWN), AISLE
EXCAVATE ENTIRE BASIN BOTTOM AREA EXISTING / - _ 19' z 44' 1 1.65 1 1.893 1 3.40
TO A DEPTH 6" BELOW EXISTING BASIN BOTTOM _
ORGANIC SOIL LAYER, BACKFlLL WITH I NOTE: ACCUMULATED SEDIMENT SHOULD BE
CLEAN TYPE 1 SAND FILL. - - REMOVED DOWN TO THE BASINS ORIGINAL DESIGN
DEPTH.
. EXISTING STING
EDGE OF GRAVEL
PROPOSEDEXISTING - PARKING AREA _LANDSCAPING
GRAVEL PARKING AREA - BASIN BOTTOM EXPANSION - STONE BED
PROPOSED INFILTRATION BASIN IMPROVEMENTS
SCALE: 1"=10' (LOCATION AS DENOTED ON PLAN)
® MO 'COMRSOD BASIN SIDE SLOPES & BOTTOM PROPOSED
EX. ASPHALT ROADWAY GRADUATED
BASIN TOP AREA: VARIES (SEE TABLE) SEDIMENT ACCUMULATION BENCHMARK
',. .. ( TABLE)
ABLE
'\ ). BOTTOM AREA VARIES (SEE TABLE) _
EXCAVATE ENTIRE BASIN BOTTOM \`��\\\/�\\/�\�-\��'\ BASIN ROTTEN ELEV.: 30 MSL. f'�I x \\
AREA 19' X 44' TO A DEPTH 6"
BELOW EXISTING WITH ORGANIC
SOISANE L LAYER. � \%\ \\iVr.
EX. VEGETATIVE SHELF EX. PERCHED WATER TABLE ELEV.. 2.2 MSL±.IY\�\\i\
13:1 AVG. SIDE SLOPES FILL ENGINEER TO APPROVE
EXCAVATION PRIOR TO BACKFILLING.
-WIDTH VARIES 10'-24' ENGINEER TO APPROVE SAND FILL EX. CLAY/ORGANIC LAYER: 1.25' MSLt
EX. FINISHED GRADE PRIOR TO PLACEMENT i/�////// c n` .utJ-•�: « - k s"'
��.�0%//������. n:�:}�Q��40x ?'w" r'�9?•,.....w YS. Y•' �F'{?F' T `-✓-"` li<.t•i'f`'L!.s+.-i //
i i i .�2`r'T- �. 5% a":_%: �.
•u aA.•A3at\i,'�L`L�1Ai :f�.I.'-Y.:L+2Cw•�..�.
12"0 DRAIN BASIN (TYP.)
(SEE DETAIL THIS SHEET)
EXISTING WET -DETENTION POND TYPICAL SECTION "MARLIN POND"
SCALE: 1"=10'
(LOCATION AS DENOTED ON PLAN)
NOTFc.
1.
FOUNDATION: WHERE THE TRENCH BOTTOM IS UNSTABLE, THE
CONTRACTOR SHALL EXCAVATE TO A DEPTH REQUIRED BY THE
ENGINEER AND REPLACE WITH A FOUNDATION OF CLASS I OR II
MATERIAL AS DEFINED IN ASTM D2321, "STANDARD PRACTICE
FOR INSTALLATION OF THERMOPLASTIC PIPE FOR SEWERS AND
OTHER GRAVITY -FLOW APPUCATIONS; LATEST EDITION; AS AN
ALTERNATIVE AND AT THE DISCRETION OF THE ENGINEER, THE
TRENCH BOTTOM MAY BE STABILIZED USING A WOVEN
GEOTEXTILE FABRIC.
2.
BEDDING: SUITABLE MATERIAL SHALL BE CLASS I,
II OR III AND INSTALLED AS REQUIRED IN ASTM
DUCTILE IRON
GROUND SURFACE
D2321, LATEST EDITION.
FRAME AND GRATE
12•
UNLESS OTHERWISE SPECIFIED BY THE ENGINEER,
SQUARE OR CIRCULAR (TYP) -i
MINIMUM BEDDING THICKNESS SHALL BE 4" (100mm)
H-20 FOR TRAFFIC AREAS &
FOR 4"-24" (100-600mm) AND 42"-48"(1050-1200mm)
H-10 FOR PEDESTRIAN AREAS
CORRUGATED POLYETHYLENE PIPE (CPEP); 6" (150mm)
FOR 30"-36" (750-900mm) CPEP.
I FINAL BACKFlLL
4H
UNDISNRBm�
3.
HAUNCHING AND INITIAL BACKFlLL: SUITABLE MATERIAL
SHALL BE CLASS I, II OR III AND INSTALLED AS
REQUIREDEwmIN ASTM D2321, LATEST EDITION.
N
VARIABLE
INVERT
4.
UNLESS OTHERWISE SPECIFIED BY THE ENGINEER,
HEIGHT
P6^o�<
m
MINIMUM TRENCH WIDTHS SHALL BE AS FOLLOWS:
NrcaU N zp�
INITIAL BACKFlLL,
NOMINAL 0 MIN. RECOMMENDED
1D--(mm) TRENCH WIDTH. in (mm)
��ww
�ZP]
pwap
ADS PIPE
6'-12" (150-300mm)
4 {(150)) 21
p�
�z 41r
ABOVE TOP OF PIPE.
6 (I50) 23 530
-
v
15830
e (200 25 630
i
10 (250) 28 710
HAUNCHING, TO
12 300 31 790
SPRINGUNE OF PIPE
5.
MINIMUM COVER: MINIMUM RECOMMENDED DEPTHS OF
COVER FOR VARIOUS LIVE LOADING CONDITIONS ARE
BEDDING MATERIAL
SUMMARIZED IN THE FOLLOWING TABLE. UNLESS
OTHERWISE NOTED, ALL DIMENSIONS ARE TAKEN FROM
/
FOUNDATONJ
THE TOP OF PIPE TO THE GROUND SURFACE.
SURFACE LNE MINIMUM RECOMMENDED
TYPICAL DRAIN BASIN DETAIL
DIN ONE COVER. in
MIN. TRENCH WIDTH
PAVEMENT) 12 (300)'
H25 (FLEXIBLE )'
SIDE VIEW
PAVEMENT)
H25 (RIGID PAVEMENT) 12 (300)
NYLOPLAST 12.0 DRAIN BASIN OR
E80 RAILWAY 24 (610)
APPROVED EQUAL
TYPICAL PIPE SECTION INSTALLATION DETAIL
HEAVY CONSTRUCTION 48 (1220)
NOT TO SCALE SECTION VIEW
•TOP OF PIPE TG BOTTOM OF BITUMINOUS PAVEMENT SECTION
TYPICAL INFILTRATION BASIN SECTION MIX SAND FILL WITH EXISTING SOIL TO A
DEPTH OF 6" BELOW ORGANIC LAYER. TO
NOT TO SCALE LOCATION AS NOTED ON PLAN PREVENT SOIL -SOIL INTERFACE.
i
EXISTING GRADE
ELEV.: 4.90'3
36.30
DO -�- a Do 36.30 e • OoO 36.40
' �CONC. SLABo 9LAB"..
O .. 0 a`"'GON.
O < O O 0
35.70 35.80
GRAVEL INFILTRATION TRENC
EZ-FLOW FILTRATION TRE14CH PROPOSED 185 L.F. OF 5.5'
PRO OSED 68 L.F. OF WIDE x 2.5' DEEP GRAVEL
-
EZ-F W 10"0 SUBSURFACE INFILTRATION TRENCH W/8"0
DRAI GE PIPE BUNDLE OF (4) SUBSURFACE PERFORATED
F R 272 L.F. TOTAL (SEE DRAINAGE PIPE (SEE DETAIL
1,
DETAIL THIS SHEET) THIS SHEET)
PIRATES COVE TOURNAMENT PAVILION
•.4.
1 (,1
WOOD FRAME OPEN SIDED PAVILION
R,R
"
OVER CONCRETE SLAB FLOOR
0
SLAB ELEVATION: 5.52' EZ-FLOW INFILTRATION TRENCH
EZ-FLOW INFILTRATION TRENCH PROPOSED 90 L.F. OF
PROPOSED 90 L.F. OF EZ-FLOW 10"0 SUBSURFACE
EZ-FLOW 10"0 SUBSURFACE DRAINAGE PIPE BUNDLE OF (4)
DRAINAGE PIPE 3UNDLE OF (4) FOR 360 L.F. TOTAL (SEE
FOR 360 L.F. TOTAL (SEE DETAIL THIS SHEET)
DETAIL THIS SHEET)
35.80 35.80
....
O P,
-----------------
----36.30
----- - -- -----0o
0 0 36.3o0 36.30
KR
15' WIDE POWER EASEMENT
PROPOSED INFILTRATION TRENCH IMPROVEMENTS
SCALE: 1"=20' (LOCATION AS DENOTED ON PLAN)
PAVILION FOUNDATION
18" t 5.5' MIN. -1
BACKFlLL W/CLEAN WASHED
STONE (#5 OR #57).
OR AS APPROVED BY ENGINEER
LHT6R UUIIVM: L/ MOLS '• .i".+' "'-•'+•'+ -"
4" MIN. CLEAN SAND LAYER
TO PREPVENT MIGRATION OFATED EFINE S INTO PIPE AIN SOCK
SHWL\15\/MSSLt
GRAVEL INFILTRATION TRENCH INSTALLATION DETAIL B
NOT TO SCALE (LOCATIONS AS DENOTED ON PLAN)
CA LOCATION OF PROPOSED
TRENCH SHALL REASONABLY
MATCH DRIPUNE OF EXISITNG
PAVILION ROOF.
PAMUON FOUNDATION
24" MIN.
BACKFlLL OVER TRENCH W/ A
MIN. OF 4"-6" OF TYPE 1
BACKFlLL MATERIAL
LANDSCAPING STONE MAY BE
USED IN LIEU OF SAND BACKFlLL
CONSTRUCT 6" HIGH BERM ALONG MARINA SIDE OF
PROPOSED INFILTRATION TRENCH.
BERM SIDE SLOPES NOT TO EXCEED 3:1 (H:V)
RESEED/SOD AND STABILZE AREA OF DISTURBANCE
AFTER INSTALLATION.
f.11\I116". . OVERFLOW ELEV: 5.5' MSL±
/\j\DRAINAGE PIPE SHALL BE ENCASED N1hi
GEOTEXTLE FILTER CLOTH STYLE
MIN. 4" OVERLAP
T MSLt % \\/\%\/\ \/\ " , f /% \ AS MANUFACTURED CLOTH ALL BE OBY SIotex SGGooso60tio"s
\\ / /\/ \\ / '4 /\ j\�
I1: 2.7//�/. '•�:.;+,. '.a ". y.. r}�: .\\ �� OR APPROVED EQUAL
4" MIN. AN SAND LAYER
\
SHWL 1.5' MSLt \\%�\%\\ \\Y/�C%�\%\\\\%�%�\i EZFLOW 1001FC DRAINAGE SYSTEM
10"\
%\ 1"0OTIW PERFORATED4 CORRUGATED HOPE PIPE
EZ-FLOW INFILTRATION TRENCH INSTALLATION DETAIL A
NOT TO SCALE (LOCATIONS AS DENOTED ON PLAN)
EZ-FLOW INFILTRATION TRENCH
PROPOSED 80 L.F. OF
- EZ-FLOW 10"0 SUBSURFACE
DRAINAGE PIPE BUNDLE OF (4)
FOR 320 L.F. TOTAL (SEE
DETAIL THIS SHEET)
BEFORE YOU DIG I
CALL TOLL FREE
1-800-632-4949
NORTH CAROLINA
ONE CALL
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PROJECT NO:
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3114-PAV-CR
PROJECT NO:
3357

C
EXISTING STORMWATER
EXISTING DRAWDOWN PRE-TREATMENT SWALE
PROPOSED 20'0 NYLOPLAST DROP INLET W/ TOP ELEVATION: 4.5't
GRADUATED FLOAT ACTUATED SUMP PUMP. $A( TOP AREA: 2,122 S.F.t
_ EDP SEDIMENT ACCUMULATION BENCHMARK PUMP DISCHARGES TO EXISTING BOTTOM ELEVATION: 3.3'3
FLOW (SEE TABLE) FLOW POND TO THE WEST. 50' R -OR(Ve BOTTOM AREA: 444 S.F.t
E%. GRAVEL > \\ MAX. POOL ELEV. = 4.5' limj \\'/� EX. ASPHALT ---EDP - __--RIM ELEV:--- 3.0' (TO BE REPLACED) -----_- --__- �' - pRIV�- STORAGE
SECTION DETAIL BELOW)*
jaly YANCE / X\i\\ice\\'\i\� ---'
GG`& /,\i.\\�\\\%\�\i\\\ \C ir.. \\�j//\\�\ j\\%\\\/\�\%\ PVC EXISTING
OF BANK -
.:: (2i E81SSNG iA�.O��•�'•' \%\%\\%\\\ AVG. BOTTOM ELEV. - 3.3 n\\/,\/../\\,\\\..\\\\/ DISCHARGE - - - - - LL ON. 4. \
.\\ %\\ \\\ </ \\\i/\/\\\ \/ \i\\i\\ \i\\ \\\ ii\\\ uNE cR
TDP
E VAD PROPOSED
PIP+.� INLET GRATE ELEV.: 3.0 _ _ _ ,-",-�-�-, TOE OF SLOPE 5 �� I' SCV. OUT03.3C
_ E
e `.!'�s� PVC SUMP PUMP DISCHARGE PIPE IISTING
I - - - m ELEVAnON.30* ���\ TIE INTO BOTTOM OF SWALE DROP INLET (TAKEN
1 EX. 20" 0 NYLOPLAST DROP INLET W/ EX. SUMP PUMP \ _ OUT IN SERVICE)
(SEE REPLACEMENT DETAIL BELOW) : \ _ \�
•/ / \\) INLET BOTTOM INV.: 1.0' ----_ COG
EXISTING STORMWATER PRE-TREATMENTBASIN TYPICAL SECTION i
-�---
�P VEL PARKING &DRIVE -- ----
AP� � / ,. - .. II SCALE: 1': 3' (LOCATION AS DENOTED ON PLAN) E%IS"DNG GBq .FOCI
PROPOSED
5'/ - j - BASIN BOTTOM DESIGN 8" SCH 80 PVC DROP INLET PROPOSED
DESIGN TOP DESIGN TOP DESIGN BOTTOM DESIGN BOTTOM DIMENSIONS (Ft.) DESIGN STORAGE SED. REMOVAL INV. OUT.:3.25'. GRATE ELEV.:3.00' MSL
BASIN I.D. (FMSL) AREA (S.F.) ELEV. (FMSL) AREA (S.F.) LENGTH X WIDTH DEPTH (Ft.) (CU.R.) ELEV. (FMSL) TIE INTO BOTTOM OF SCALE CONNECT TO EX. 2.5"0 PVC f:
%BASIN /@-A 4.50 2,122 3.0 444 VARIES 150 1,540 3.40 CONVEYANCE LINE (SEE DETAIL BELOW) 2'
G.
NOTE ACCUMULATED SEDIMENT SHOULD BE REMOVED DOWN TO THE BASINS ORIGINAL DESIGN DEPTH. PROPOSED EASEMENT
O A WI STORMWATER MANAGMENT
EXISTING STORMWATER PRE-TREATMENT DEVICE PLAN s DE
OPERATION AND MAINTENANCE EASEMENT
* SCALE: 1"=20' (LOCATION AS DENOTED ON PLAN)
_ J", /1p ,CO SHALL BE LOCATED AROUND THE
JP / 6" 2'-6"
$" FINISHED M I / • , - PERIMETER OF THE SCALE. ACCESS
p' �!i V 4" ( GRADE j - '�'' PROVIDED VIA ADJACENT SAILFISH DR
" DROP INLET GENERAL NOTES R/W.
STD. 840.16 NC_.�\.-
i �Pe- i EXISTING WOODEN BULKHEAD FRAME & GRATE j - \ 2-1/4"x3-5/8"x7-5/8" 1. SPECIFICATIONS ATTACHED HEREON REFLECT THOSE AS OUTLINE IN NCDOT
/ e - / STANDARD 84.015, BRICK DROP INLET. AN ALTERNATE PRECAST DROP INLET MAY
TOP ELEV.: 3s' ij. \ CONCRETE OR CLAY BRICK, BE UTILIZED BASED UPON PRIOR APPROVAL BY THE ENGINEER.
i 1.5"0 GATE VALVE (TYP.) \ - ALTERNATE EVERY OTHER
/>y 0 \ 1.5"0 TO 2.5.0 INCREASER, / \- 2. DROP INLET DESIGN SPECIFICATIONS SHALL CONFORM TO LATEST ASTM C913
COURSE (AS SHOWN)
/ CONNECT, TO EX. PIPE / ! - SPECIFICATIONS FOR "PRECAST CONCRETE WATER &WASTEWATER STRUCTURES.
3. CONCRETE COMPRESSIVE STRENGTH SHALL BE A MINIMUM OF 4,000PSI.
- - - 1.5"0 QUICK DISCONNECT
/ • B B o �.� .\. (TYP.) i / \ 4. STEEL REINFORCING DESIGN TO CONFORM TO THE REQUIREMENTS OF ASTM C890
_ / • - - - SPECIFICATIONS FOR "STRUCTURAL DESIGN LOADING FOR WATER & WASTEWATER
/ - _ / • T`I z - �' - / \ \ STRUCTURES" AND SHALL UTILIZE GRADE 60 RE -BARS CONFORMING TO THE
REQUIREMENTS OF ASTM A615 OR WWF CONFORMING TO THE REQUIREMENTS OF
- - tiff n`•' i \ - i - - \ - ASTM A185 OR BOTH.
- 1"b CHECK VALVE (TYP.) _ 5. PROVIDE ADDITIONAL REINFORCING AT OPENINGS AS REQUIRED PER NCDOT
d�� ii / .5 REQUIREMENTS.
- - 8" 2'-0" 8'• 6. MINIMUM DESIGN SHALL BE H-20-44 LOADING.
'I'd GO _ - 7. STEPS SHALL BE REQUIRED ON DROP INLETS OVER 3'-6" IN DEPTH. STEPS SHALL BE
8 2'-6" 8" 3-4" STEEL REINFORCED COPOLYMER POLYPROPYLENE PLASTIC AND MEET THE
(2) MYERS MODEL ME40, REQUIREMENTS OF ASTM C478. (OR APPROVED EQUAL).
/ A 3'-10" 4/10 H.P. SUBMERSIBLE SECTION A -A 8. TOTAL HEIGHT OF STRUCTURE AS SPECIFIED HEREIN.
EFFLUENT PUMP, 115 VOLTS 9. PIPE PENETRATION TO BE AS SPECIFIED. PIPE TO BE INSTALLED AS PER NCDOT
/ PLAN VIEW SECTION B-B COVER PLAN VIEW STANDARDS FOR MORTAR JOINT CONNECTIONS.
10. JOINTS TO BE SEALED WITH BUTYL RUBBER JOINT SEALANT CONFORMING TO THE
REQUIREMENTS OF ASTM C990, OR MORTAR AS PER NCDOT REQUIREMENTS OR BOTH.
• •• ��/ \ PROPOSED DROP INLET/PUMP STATION DETAIL 11. ANY DEVIATIONS FROM THE APPROVED PLAN &SPECIFICATIONS SHALL BE APPROVED
• • BY THE ENGINEER PRIOR TO CONSTRUCTION.
NOT TO SCALE NCDOT STD 840.32
2
EX. VEGETATIVE SHELF
13:1 AVG. SIDE SLUPES
-WIDTH VARIES 10'-24'
EX. FINISHED
ELEV.: 5.0't
DUCTILE IRON
FRAME AND GRATE 12*
SQUARE OR CIRCULAR (TYP)
HFOR TRAFFIC AREAS
H-10 10 FOR PEDESTRIAN AREAS
\ I
EXISTING WET -DETENTION POND
BOTTOM SURFACE AREA: 9.394 S.F. O ELEV. -2.8
PERM. POOL SURFACE AREA:9,394 S.F. O ELEV. 2.2'
APPROXIMATE PERM. POOL VOLUME: 28,182 CU.F.Tt
TEMP. POOL SURFACE AREA:9,394 S.F. O ELEV. 2.77'
TEMPORARY POOL VOLUME 5,376 CU.FT.
MAX. POOL SURFACE AREA:17,630 S.F. O ELEV. 4.5'
MAXIMUM POOL VOLUME: 36,083 CU.FT.
(SEE TYPICAL SECTION BELOW)
PROPOSED EASEMENT
A 10' WIDE STORMWATER MANAGMENT
OPERATION AND MAINTENANCE EASEMENT
SHALL BE LOCATED AROUND THE PERIMETER
OF PONDS EXISTING BULKHEAD. ACCESS
PROVIDED VIA ADJACENT PIRATES WAY R/W.
EXISTING WET -DETENTION POND PLAN "MARLIN POND"
SCALE: 1'=20' (LOCATION AS DENOTED ON PLAN)
EXISTING WET -DETENTION POND
BOTTOM SURFACE AREA: 9.394 S.F. O ELEV. -2.8
PERM. POOL SURFACE AREA:9,394 S.F. O ELEV. 2.2'
APPROXIMATE PERM. POOL VOLUME 35,732 CU.F.Tt
TEMP. POOL SURFACE AREA:9,394 S.F. O ELEV. 2.77'
TEMPORARY POOL VOLUME: 5,376 CU.FT.
MAX. POOL SURFACE AREA:17,630 S.F. O ELEV. 4.5'
MAXIMUM POOL VOLUME: 35,732 CU.FT.
(SEE PLAN VIEW ABOVE)
WIDTH VARIES 20'-63'
POOL ELEV. = 4.5'
- PROPOSED SAILFISH DRIVE
___._...-._ eO SCH 80 PIPE 50' R/W - PRIVATE
INV. OUT: 3.30' PROPOSED
-` TOP OF BASIN PROPOSED
i .. DRAIN BAS114.OVERFLOW
GRATE ELEV: 4.65' MSL
BOTTOM ELEV.: 2.25' MSL EXISTING
4" PIPE INV. OUT:3.3' MSL TOP OF BASIN
DESIGN TOP DESIGN TOP DESIGN BOTTOM DESIGN BOTTOM
BASIN I.D. (FMSL) AREA (S.F.) ELEV. (FMSL) AREA (S.F.)
BASIN #3 4.65 1,485 3.0 810
BASIN BOTTOM DESIGN
EXISTING DIMENSIONS (Ft) DESIGN STORAGE SED. REMOVAL
INFILTRATION BASIN `;ASPHALT DRIVE( LENGTH % WIDTIi DEPTH (Ft.) (CU.Ft.) ELEV. (FMSL)
EXPAND BASIN LIMITS (AS SHOWN). - - AISLE
EXCAVATE ENTIRE BASIN BOTTOM AREA EXISTING / = 19' x 44' 1.65 1 1,893 1 3.40
TO A DEPTH 6" BELOW DUSTING BASIN BOTTOM ,.
ORGANIC -SOIL LAYER. BACKFILL WITH NOTE: ACCUMULATED SEDIMENT SHOULD BE
-' CLEAN TYPE I SAND FILL. REMOVED DOWN TO THE BASINS ORIGINAL DESIGN
DEPTH.
.. EXISTING - DasTING
EDGE OF GRAVEL
EIOSTING PROPosEn' - PARKING .AREA :LANDSCAPING
GRAVEL PARKING AREA BASIN BOTTOM EXPANSION _ STONE BED
PROPOSED INFILTRATION BASIN IMPROVEMENTS
SCALE: 1'=10' (LOCATION AS DENOTED ON PLAN)
PAVILION FOUNDATION
t I 5.5' MIN. -
BACKFlLL W/CLEAN WASHED
STONE (/5 OR /57).
OR AS APPROVED BY ENGINEER
MIN. CLEAN SAND LAYER
8"0 HDPE PERFORATED PIPE W/FlLTER DRAIN SOCK
TO PREVENT MIGRATION OF FINES INTO PIPE
\\\\L\ \!✓\ \\ \\ \ % \\ \ \ \\
SHWL: 1.5' MSLt
GRAVEL INFILTRATION TRENCH INSTALLATION DETAIL B
NOT TO SCALE (LOCATIONS AS DENOTED ON PLAN)
EXISTING GRADE
SEED,SPRIG OR SOD BASIN SIDE SLOPES & BOTTOM PROPOSED ELEV 490t - -;
EX. ASPHALT ROADWAY WITH COMMON BERMUDAGRASS GRADUATED ice CONSTRUCT 6" HIGH BERM ALONG MARINA SIDE OF
SEDIMENT ACCUMULATION BENCHMARK \/\j \�\/�
f. BASIN TOP AREA: VARIES (SEE TABLE) (SEE TABLE) 3 / -\� \ \i\�\�\�\�\�\\.�\� BERMPROPSED SIDE IDE (NFILTRATION SLOPES NOT OEEXCEED 3:1 (H: V)
CA LOCATION OF PROPOSED RESEED/SOD AND STABILZE AREA OF DISTURBANCE
ONABLY
etl; ,,.-:.. ._ BOTTOM AREA VARIES (SEE TABLE) .. .. .. .: ..;. ,. \V\�•%\\/\\%/�\�/\\ % \�\ \/�� \�\�\\�"�\���\\ MATCH TRENCHDRPUNE OFSHALL SEXISITNG AFTER INSTALLATION.
EXCAVATE ENTIRE BASIN B01101.1%BASIN BOTIEM ELEV: 3.0' MSL- . `..:': <.'..,.: .,:,e, ,�., _\. f\ ��\\\/�V�\/\�%, i\\ \u\�\ "\j \�, �\�\ \�\�\� PANUON ROOF.
AREA 19' x 44' TO A DEPTH 6" \�\ �\�/\\�\�\i\\_i i\\ \\/\�\ \'\\i\�\\�f\�\�\\ \��\\i/�\\� ���\ 3 II • OVERFLOW ELEV: 5.5' MSLt
BELOW EXISTING ORGANIC SOIL LAYER.!\\\\�\/"/\��\\� ---�i\\�\�\�"�\�\�i�\\y\�\\/\/ \� PAVILION FOUNDATION 1 ) ; i .• 3
BACKFILL WITH CLEAN TYPE 1 SAND \ i\\��` - \\�\` \ �/\/\\ \\\ �\� \\� \r\\i\ \i'�\y I I 24' MIN.
EX. VEGETATIVE SHELF `� EX. PERCHED WATER TABLE ELEV.: 2.2 MSLt _ /\ \ /\i I I I .. •.,d A_; :.<. r• _I
13:1 AVG. SIDE SLOPES FILL. ENGINEER TO APPROVE - -
.: .1 -- r<.: i\ ii \ i/ \ %\%\��\%\%\j\\�"i/i/\.-I \, .I \. \. \, '(C'• ., "i I FINISHEDGR
EXCAVATION PRIOR TO BACKFILLING , . ,.. ': ?... .. = ! �\ \\�\ i \\/ i \i \/\iy \\� \ \/ /\i \ \/ i \ / \ \\'/•�� / / / / i\� \' i\i\//\\ \i lei \"` i'i�% \\•
\ ��\ \\% \\\/\ ELEv: s.o n
-WIDTH VARIES 10'-24' ENGINEER TO APPROVE SAND FILL : EX_ CLAY/ORGANIC LAYER: 1.25' MSLt - - �
EX. FINISHED GRADE / i .� .x :. s••++r rrs-� i - - ✓\\ \//\/\\ \ \ //\ ///\ //\/\\ /\
PRIOR TO PLACEMENT, . ..,;;:' a V. _ -•s 't4•vra ....,T,;e_.• ... z•,•-_. ...A s .=c✓ i / / \ / /\/ \\/\�\\\ \/ /\/
ELEV.: 't ��� ,- .: `l:e?+f'7'!;,: ;� y. '. Y. "...y. yY-«y 1 zrF :.:=^•.. ?` : , r:h _•:sF,+yl. : z : 1%�//////���������% / /\i \\ / /\i \\ / i\\ \i / / \\ \/ / / \ \/ /\i \\
.....,...an.as.9Yn �ELE 50 ��..-t.'..e1......,.�.eG..J,...,7Lxv_sy._.._.Gt. ,.�.i TA..,. ...�-•:_r%J..,M"`'l•z,_,. r...a;.,:•,nfs%riS._.,.�\\\\/�\�\\\/i\i\\\/�\\�\\\!\s �\.,/i\\i1\\!\i��\\�\\\/\/\/
12"0 DRAIN BASIN (TYP.)
(SEE DETAIL THIS SHEET)
EXISTING WET -DETENTION POND TYPICAL SECTION "MARLIN
POND"
SCALE: 1"=10'
(LOCATION AS DENOTED ON PLAN)
NOES
1. FOUNDATION: WHERE THE TRENCH BOTTOM IS UNSTABLE, THE
CONTRACTOR SHALL EXCAVATE TO A DEPTH REOUIRED BY THE
ENGINEER AND REPLACE WITH A FOUNDATION OF CLASS I OR II
MATERIAL AS DEFINED IN ASTM D2321, "STANDARD PRACTICE
FOR INSTALLATION OF THERMOPLASTIC PIPE FOR SEWERS AND
OTHER GRAVITY -FLOW APPLICATIONS; LATEST EDITION; AS AN
ALTERNATIVE AND AT THE DISCRETION OF THE ENGINEER, THE
TRENCH BOTTOM MAY BE STABILIZED USING A WOVEN
GEOTEXDLE FABRIC.
2. BEDDING ; SUITABLE MATERIAL SHALL BE CLASS I,
GROUND SURFACE
II OR III AND INSTALLED AS REWIRED IN ASTM
D2321, LATEST EDITION.
UNLESS OTHERWISE SPECIFIED BY THE ENGINEER,
MINIMUM BEDDING THICKNESS SHALL BE 4" (100mm)
FOR 4"-24" (100-600mm) AND 42'-48"(1050-1200mm)
LYET YLENE PIPEPPE 6" (150mm)
CORRUG30'A E POLYETHYLENE
_
i FINAL BACKFILL
i1 UNDISTURBED
3. HAUNCHING AND INITIAL SUITABLE MATERIAL
EARTH
EARTH
r
SHALL CLASS I, It OR III AND INSTALLED AS
REQUIRED IN ASTM D2327, LATEST EDITION.
VARIABLE INVERT z
4. UNLESS OTHERWISE SPECIFIED BY THE ENGINEER,
HEIGHT P z o ¢
o
MINIMUM TRENCH WIDTHS SHALL BE AS FOLLOWS:
�12 U Nxzw
NOMINAL b MIN. RECOMMENDED
_O� w ow<0
OwaO
ADS PIPE
INITIAL BACKFILL
6"-12" (150-300mm)
'n (mm) TRENCH WIDTH. In (mm)
4 ((100)) 21 530
vz w�
ABOVE TOP OF PIPE.
6 (150) 23 (5803
<
8 200 25 630
i i
10 (250) 28 710
HAUNCHING. TO
12 300 31 790
tO
SPRINGLINE OF PIPE
5. MINIMUM COVER: MINIMUM RECOMMENDED DEPTHS OF
COVER FOR VARIOUS LIVE LOADING CONDITIONS ARE
BEDDING MATERIAL
SUMMARIZED IN THE FOLLOWING TABLE. UNLESS
OTHERWISE NOTED, ALL DIMENSIONS ARE TAKEN FROM
/
FOUNDATION!
THE TOP OF PIPE TO THE GROUND SURFACE.
SURFACE LNE MINIMUM RECOMMENDED
TYPICAL DRAIN BASIN DETAIL
LOADING CONDITION COVER. In (mm)
MIN. TRENCH WIDTH
H25 (FLEXIBLE PAVEMENT) 12 (300)'
SIDE VIEW
H25 (RIGID PAVEMENT) 12 (300)
NYLOPLAST 12"0 DRAIN BASIN OR
E80 RAILWAY 24 (610)
APPROVED EQUAL
TYPICAL PIPE SECTION INSTALLATION DETAIL
HEAVY CONSTRUCTION 48 (1220)
NOT TO SCALE
SECTION VIEW
"TOP OF PIPE TO BOTTOM OF BITUMINOUS PAVEMENT SECTION
TYPICAL INFILTRATION BASIN SECTION MIX SAND FILL WITH EXISTING SOIL TO A
DEPTH OF 6" BELOW ORGANIC LAYER. TO
NOT TO SCALE LOCATION AS NOTED ON PLAN PREVENT SOIL -SOIL INTERFACE.
-
36.30
Co ` a 36.30 LID. A ' .: GD 36.40
CONC. SLAB o o 'CONC. BLAB"..0
o - .' a`
O • ' 1% i O O O
35.70 35.80
GRAVEL INFILTRATION TRENC
EZ-FLOW FILTRATION TRENCH PROPOSED 185 L.F. OF 5.5'
PRO OSED 68 L.F. OF WIDE x 2.5' DEEP GRAVEL
EZ-F W 10"0 SUBSURFACE INFILTRATION TRENCH W/8"0
DRAI GE PIPE BUNDLE OF (4) SUBSURFACE PERFORATED
F R 272 L.F. TOTAL (SEE DRAINAGE PIPE (SEE DETAIL
I,
DETAIL THIS SHEET) THIS SHEET)
11
=.
PIRATES COVE TOURNAMENT PAVILION
m
f C4
WOOD FRAME OPEN SIDED PAVILION
I' 0
OVER CONCRETE SLAB FLOOR
0
SLAB ELEVATION: 5.52' EZ-FLOW INFILTRATION TRENCH
EZ-FLOW INFILTRATION TRENCH PROPOSED 90 L.F. OF
PROPOSED 90 L.F. OF EZ-FLOW 10"0 SUBSURFACE
EZ-FLOW 10"0 SUBSURFACE DRAINAGE PIPE BUNDLE OF (4)
DRAINAGE PIPE BUNDLE OF (4) FOR 360 L.F. TOTAL (SEE
FOR 360 L.F. TOTAL (SEE DETAIL THIS SHEET)
DETAIL THIS SHEET)
35.80 35.80
W
CO.. -------
--------.--
�.
- 36.30
_ _ _- -_--_�----------------- 0
O o 36.30 0 0 36.30
15' WIDE POWER EASEMENT
PROPOSED INFILTRATION TRENCH IMPROVEMENTS
SCALE: 1"=20' (LOCATION AS DENOTED ON PLAN)
BACKFILL OVER TRENCH W/ A
MIN. OF 4"-6" OF TYPE 1
BACKFILL MATERIAL.
LANDSCAPING STONE MAY BE
USED IN LIEU OF SAND BACKFILL
\/\DRAINAGE PIPE SHALL BE ENCASED WITH
ULU INXTILE ALL ERCLOTH Geote. SWTYLE 601
MSLt 4' OVERLAP
)' \\% `\%\\j\' 4 \\AS MANUFACTURED BY SI Geosolutions
I: z.T�MSLt \'\\� •, i\ +\\\\\-\OR \\PP\\/VID EQUAL
4" MIN. CLEAN SAND LAYER
SHWL: 1.5' MSLt \\�\\%�\j\\ \\jj�\j\�\j•\j�j\ EZ\FLOW 1001FC DRAINAGE SYSTEM
40TI 0 PERFORATED ATED& CORRUGATEDC AGGREGATE WHDPE PIPE
EZ-FLOW INFILTRATION TRENCH INSTALLATION DETAIL A
NOT TO SCALE (LOCATIONS AS DENOTED ON PLAN)
EZ-FLOW INFILTRATION TRENCH
PROPOSED 80 L.F. OF
- EZ-FLOW 10"0 SUBSURFACE
DRAINAGE PIPE BUNDLE OF (4)
FOR 320 L.F. TOTAL (SEE
DETAIL THIS SHEET)
BEFORE YOU DIG 1
CALL TOLL FREE
1-800-632-4949
NORTH CAROLINA
ONE CALL
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DATE:
kiE:
09102108
AS
NOTED
DESIGNED:
CHECKM
BPG
DMR
D"nrm:
A"OVED:
DMK
DMR
SHEET:
2
2
OF
CAD FILE:
3114-PAV-CR
CTI
3357
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