SW8160310_Approved Plans_20190307

NOT TO SCALE
PROJECT DATA
ZONI NG ...................................... R-1 5
PROPOSED USE ..... ­­ SINGLE FAMILY RES
PROPERTY AREA ......................... 42.0 AC
1,829,520 SF
TOTAL BUA ............................ 14-89 AC
48,602 SIF
% OF PROPERTY .......................... 35.5 %
LOTS ................................ 457,400 SIF '5<e
WALKWAYS ............................. 22,269 SF
STREETS ............................. 161-232 SF
RESERVE ....... ­­* ... ** ..... ­­ 8,700 SF
DISTUBANCE LIMITS ................... 35.4 AC
RECIEVING STREAM ................ MOTT CREEK
CLASSIFICATION ........................... C;Sw
STREAM INDEX ............................. 18-82
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GENERAL NOTES:
T1
1.
NO PORTION OF THIS PROPERTY IS LOCATED IN THE
100 YEAR FLOOD HAZARD AREA.
T1
2.
BOUNDARIES, LOCATIONS AND DESCRIPTIONS OF EXISTING
FEATURES IS THE RESULT OF A SURVEY BY STROUD ENGINEERING,
P.A.
3.
LOTSWILL BE PROVIDED CFPUA WATER AND SEWER SERVICE
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BY WAY OF EXTENDING ADJACENT MAINS.
4.
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ALL ROADS SHALL BE PRIVAIE AND BUILT TO NCDOT STANDARDS.
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5.
ONLY NCDOT MATERIALS ARE TO BE USED WITHIN THE R/W.
T1
e
6.
SIDEWALKS SHALL BE PROVDED ON ONE SIDE OF THE PROPOSED STREETS,'':1-
I .w
7.
NO EXISTING STRUCTURES ARE ON THE PROPERTY.
i--110! 00
8.
ROAD AND RIGHT OF WAY GEOMETRY CONFORMS TO THE MOST STR NGE
NT
OF NCDOT AND NEW HANOVER COUNTY SUBDIVISION STANDARDS.
9.
TOPOGRAPHICAL SURVEY DEVELOPED UTILIZING FEMA LIDAR DATA.
10. NO 404 WETLANDS EXIST ON THE PROPERTY.
PROVIDE GRAVEL
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11.
SOLID WASTE REMOVAL BY PRIVATE CONTRACTOR.
CONSTRUCTION
ENTRANCE
12. ALL RUNOFF FROM IMPERVIOUS SURFACES SHALL BE
DIRECTED TO THE COLLECTION/TREATMENT SYSTEM.
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PROVIDE GRAVEL
CONSTRUCTION
STABILIZE DISTURBANCE WITHIN
THE EXISTING DITCH SECTION
WITH SOD OR EROSION CONTROL
'/BLANKET PRIOR TO RUNOFF
PRODUCING RAINFALL EVENT
---------- --
OFFSET
5' SIDEWALK 45' R/W
24" VALLEY CURB 20' ASPHALT
OFFSET CUL DE SAC DETAIL
4o RIGHT OF WXY
4-5' 'J.2'_ 1 11' TRAVELWAY 12' CL TO 9.5*
PER FT I " PER FT PER FT
PER FT f _PER FT
----------
MORN I NG-
VALLEY CURB 6" AB 2" SF 9.5A
ASHPALT
LANE
PRIVATE LOCAL ROAD SECTION
SIDEWALK NOTE:
At L-fMJ?S OF
SIDEWALK THICKNESS SHALL BE 6" AT DRIVEWAYS.
BANCE
-'-PROVIDE WIRE AND
45 RIGHT OF WXY
5,5' 10- TRAVELWAY 11' CIL TO 10.5'
GRAVEL PROTECTION
PER FT I PER FT PER FT
AT ALL INLETS.
PER FT f _PER FT
0 ---REIROF IT TO DANDY
R". SACK AFTER PAVING
0
6.
VALLEY CURB ABC 2" SF ASA
0.11
ASHPALT
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PRIVATE CUL DE SAC ROAD SECTION
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NOTE:
THIS SECTION IS APPLICABLE TO DEAD END
ROADS LESS THAN 0.1 MILES IN LENGTH
SIDEWALK NOTE:
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SIDEWALK THICKNESS SHALL BE 6" AT DRIVEWAYS.
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STABILIZE DISTURBANCE WITHIN
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RODUCING RAINFALL EVENT
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NORM CAROLIPAPA, E WROMENTAL
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EMENT COMMISSION
PROVIDE WIRE AND
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GRAVEL PROTECTION
AT ALL INLETS.
RETROFIT TO DANDY
SACK AFTER PAVING
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IDE WIRE ANIT---,
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0 MAR 91
INLETS. Ell. p�w 07 20,
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AFTER PAVING
COVER
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STABILIZE DISTURBANCE WITHIN
THE EXISTING DITCH SECTION
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WITH SOD OR EROSION CONTROL
BLANKET PRIOR TO RUNOFF
PRODUCING RAINFALL EVENT
Y/z MASONBORO TOWNSHIP
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OWNER: BILLCL
ADDRESS: 127F
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'35677 PHONE:
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--------------
DAVID L. PENIUS 102-D C
712 61 WILMING
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LEGEND
PROJECT BOUNDARY
WATER MAIN
SEWER GRAV. MAIN
SEWER FORCE MAIN ------ -
STORMDRAIN
EX CONTOURS - -
SWALE <<<<<<<<<<<<<<<<
SILT FENCE X - X
DISTURBED AREA
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EX CONTOURS
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LEGEND
PROJECT BOUNDARY
WATER MAIN
SEWER GRAY. MAIN
SEWER FORCE MAIN A
STORMDRA I N---------
EX CONTOURS m 44&
S WA L E ««««««««
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I EMERGENCY WEIR
h ELEVATION 24.90
LENGTH 2O.00'
FES 2
INV 19.00
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42712,012
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LEGEND
PROJECT BOUNDARY
WATER MAIN
SEWER GRAV. MAIN
SEWER FORCE MAIN
STORMDRA I N------------~—
EX CONTOURS�-
S WA L E ««««««««
SILT FENCE x x
a
'
DISTURBED AREA

NPDES NOTES
SITE AREA DESCRIPTION
STABILIZATION TIMEFRAME
STABILIZATION
TIMEFRAME EXCEPTIONS
PERIMETER DIKES, SWALES, AND DITCHES
7 DAYS
NONE
HIGH QUALITY WATER (HOW) ZONES
7 DAYS
NONE
SLOPES STEEPER THAN 3:1
7 DAYS
IF SLOPES ARE
10' OR LESS IN LENGTH AND FLATTER THAN 2:1 THEN 14 DAYS ARE ALLOWED.
SLOPES 3:1 OR FLATTER
14 DAYS
7 DAYS FOR SLOPES GREATER THAN 50' IN LENGTH.
OTHER AREAS WITH SLOPES FLATTER THAN 4:1
14 DAYS
NONE (EXCEPT FOR PERIMETERS AND HOW ZONES)
BUILDING WASTES HANDLING
SEDIMENT BASINS
1. NO PAINT OR LIQUID WASTES 1N STREAMS OR STORM DRAINS.
1. OUTLET STRUCTURES MUST WITHDRAW FOR BASIN SURFACE
2. DEDICATED AREAS FOR DEMOLITION, CONSTRUCTION, AND OTHER
UNLESS DRAINAGE AREA IS LESS THAN 1 ACRE.
WASTES MUST BE LOCATED 50` FROM STORM DRAINS AND STREAMS
2. USE ONLY DWQ APPROVED FLOCCULENTS.
UNLESS NO REASONABLE ALTERNATIVES AVAILABLE.
3. EARTHEN -MATERIALS STOCKPILES MUST BE LOCATED 50' FROM
NPDES SPECIFIC PLAN SHEETS NOTES
STORM DRAINS AND STREAMS UNLESS NO REASONABLE
1. THIS PAGE IS SUBMITTED TO COMPLY WITH NPDES GENERAL
ALTERNATIVES AVAILABLE.
STORMWATER PERMIT NCGO10000.
4. CONCRETE MATERIALS MUST BE CONTROLLED TO AVOID CONTACT
2. THIS PAGE CAN BE APPROVED BY THE COUNTY PURUANT TO
WITH SURFACE WATERS, WETLANDS, OR BUFFERS.
NPDES GENERAL STORMWATER PERMIT NCGO10000 ONLY.
3. THIS PAGE OF THE APPROVED PLANS IS ENFORCEABLE EXCLUSIVELY
INSPECTIONS
PURUANT TO NPDES GENERAL STORMWATER PERMIT NCG010000.
1. SAME WEEKLY INSPECTION REQUIREMENTS
4. THE COUNTY IS NOT AUTHORIZED TO ENFORCE THE PAGE OF THE
2. SAME RAIN GAUGE AND INSPECTIONS AFTER0.5" RAINFALL EVENT.
PLANS AND IT IS NOT A PART OF THE APPROVED PLANS FOR THE
��
3. INSPECTIONS ARE ONLY REQUIRED DURING NORMAL BUSINESS HOURS.
PURPOSES OF ENFORCEMENT ACTION UNDER THE COUNTY CODE.
4. INSPECTION REPORTS MUST BE AVAILABLE ONSITE DURING BUSINESS
HOURS UNLESS A SITE SPECIFIC EXEMPTION IS APPROVED.
5. RECORDS MUST BE KEPT FOR 3 YEARS AND AVAILABLE UPON REQUEST.
6. ELECTRONICALLY AVAILABLE RECORDS MAY BE SUBSTITUTED UNDER
CERTAIN CONDITIONS.
EROSION & SEDIMENT CONTROL MAINTENANCE PLAN
1. ALL EROSION AND SEDIMENTATION CONTROL MEASURES WILL BE
CHECKED FOR STABILITY AND OPERATION FOLLOWING EVERY RUNOFF
PRODUCING RAINFALL BUT IN NO CASE LESS THAN ONCE EVERY WEEK
AND WITHIN 24 HOURS OF EVERY HALF INCH RAINFALL.
2. ALL POINTS OF EGRESS WILL HAVE CONSTRUCTIONS ENTRANCES THAT WILL
BE PERIODICALLY TOP -DRESSED WITH AN ADDITIONAL 2" OF #4 STONE TO
MAINTAIN PROPER DEPTH. THEY WILL BE MAINTAINED IN A CONDITION TO
PREVENT MUD OR SEDIMENT FROM LEAVING THE SITE. IMMEDIATELY REMOVE
OBJECTIONABLE MATERIAL'SPILLED, WASHED, OR TRACKED ONTO THE
CONSTRUCTION ENTRANCE OR ROADWAYS.
3. SEDIMENT WILL BE REMOVED FROM HARDWARE CLOTH AND GRAVEL INLET
PROTECTION, BLOCK AND GRAVEL INLET PROTECTION, ROCK DOUGHNUT
INLET PROTECTION, ROCK PIPE INLET PROTECTION, AND GUTTERBUDDY
INLET PROTECTOIN WHEN THE DESIGNED STORAGE CAPACITY HAS BEEN
HALF FILLED WITH SEDIMENT. ROCK WILL BE CLEANED OR REPLACED
WHEN THE SEDIMENT POOL NO LONGER DRAINS AS DESIGNED. DEBRIS
WILL BE REMOVED FROM THE ROCK AND HARWARE CLOTH TO ALLOW PROPER
DRAINAGE. SILT SACKS WILL BE EMPTIED ONCE A WEEK AND AFTER
EVERY RAIN EVENT. SEDIMENT WILL BE REMOVED FROM AROUND BEAVER
DAMS, DANDY SACKS/SOCKS, AND GUTTERBUDDIES ONCE A WEEK AND
AFTER EVERY RAIN EVENT. NOTE THAT THE GUTTERBUDDY IS REUSABLE
SHOULD BE STORED OUT OF DIRECT SUNLIGHT BETWEEN JOBS.
4. DIVERSION DITCHES WILL BE CLEANED OUT IMMEDIATLEY TO REMOVE
SEDIMENT OR OBSTRUCTIONS FROM THE FLOW AREA. THE DIVERSION
RIDGES WILL ALSO BE REPAIRED. SWALES MUST BE RESTABLIZED
WITHIN 21 CALENDAR DAYS OF CEASE OF ANY PHASE OF PHASE OF
ACTIVITY ASSOCIATED WITH A SWALE.
5. SEDIMENT WILL BE REMOVED FROM BEHIND THE SEDIMENT FENCE WHEN
IT BECOMES HALF FILLED. THE SEDIMENT FENCE WILL BE REPAIRED
AS NECESSARY TO MAINTAIN A BARRIER. STAKES MUST BE STEEL.
STAKE SPACING WILL BE 6 FEET (MAX) WITH THE USE OF EXTRA
STRENGHT FABRIC WITHOUT WIRE BACKING. sTAKE SPACING WILL BE
8 FEET (MAX) WHEN STANDARD STRENGTH FABRIC AND WIRE BACKING
ARE USED. IF ROCK FILTERS ARE USED AT LOW POINTS IN THE
SEDIMENT FENCE, THE ROCK WILL BE REPAIRED OR REPLACED IF IT
BECOMES HALF FULL OF SEDIMENT, NO LONGER DRAINS AS DESIGNED,
OR IS DAMGED.
6. SEDIMENT WILL BE REMOVED FROM THE SEDIMENT TRAPS AND BASINS
WHEN THE DESIGNED STORAGE CAPACITY HAS BEEN HALF FILLED WITH
SEDIMENT. ROCK WILL BE CLEANED OR REPLACED WHEN THE SEDIMENT
POOL NO LONGER DRAINS OR WHEN THE ROCK IS DISLODGED. BAFFLES
WILL BE REPAIRED OR REPLACED IF THEY COLLAPSE, TEAR, DECOMPOSE,
OR BECOME INEFFECTIVE. THEY WILL BE REPLACED PROMPTLY. SEDIMENT
WILL BE REMOVED WHEN DEPOSITS REACH HALF THE HEIGHT OF THE FIRST
BAFFLE. IN SKIMMER BASINS, FLOATING SKIMMERS WILL BE INSPECTED
WEEKLY AND WILL BE KEPT CLEAN.
7. ALL SEEDED AREAS WILL BE FERTILIZED, RESEEDED AS NECESSARY,
AND MULCHED ACCORDING TO SPECIFICATIONS IN THE VEGETATIVE
PLAN TO MAINTAIN A VIGOROUS, DENSE VEGETATIVE COVER. ALL
SLOPES WILL BE SLABILIZED WITHIN 21 CALENDAR DAYS. ALL
OTHER AREAS WILL BE STABILIZED WITHIN 15 WORKING DAYS.
8. FLOCCULANTS WILL BE USED TO ADDRESS TURBIDITY ISSUES. THE
PUMPS, TANKS, HOSES AND INJECTION SYSTEMS WILL BE CHECKED
FOR PROBLEMS OR TURBID DISCHARGES DAILY.
NOTE:
WETLANDS IN DISTURBED PORTIONS OF SITE SHALL BE
PERMITTED BY USACE AND NCDEQ AS REQUIRED.
CONSTRUCTION SEQUENCE
1. INSTALL INLET PROTECTION. SILT FENCE,
AND STONE CONSTRUCTION ENTRANCES.
2. CLEAR & GRADE
3. INSTALL UNDERGROUND UTILITIES
4. INSTALL PAVEMENT
5. PROVIDE 100% VEGETATIVE COVER OF ALL DISTURBED SOILS.
6. CLEAN SEDIMENT FROM PIPES AFTER STABILIZATION.
15' MIN
°°
° O O 00 _
00 0 0
® g 000
2"-3" COARSE AGGREGATE 000(9 °
6 DEPTH o� 00
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EXISTING ROAD
CONSTRUCTION ENTRANCE DETAIL
NTS
20'
COASTAL PLAIN SITE STABILIZATION SCHEDULE
1. Fertilize and lime per recommendations of soil
tests or apply 2.000 Ib/acre ground agricultural
limestone and 750 Ib/acre 10-10-10 fertilizer.
2. Incorporate lime/fertilizer 4-6 inches.
3. Roughen steep slopes by tracked machinery.
4. Select species based on season. Refer to tables.
5. Broadcast seeds evenly and cover by raking
or dragging a chain. Firm soil by rolling.
6. App l y straw rru l ch at a rate 1-2 tons per acre.
Anchor straw by tacking with asphalt, netting,
or a mulch anchoring tool.
A disk with blades set nearly straight can be
used as a mulch anchoring tool.
7. Refertilize if growth is not fully adequate.
Reseed, refertilize and mulch immediately
following erosion or other doMGe.
PERMANENT SEEDING TABLE 1
Seeding
Dates
Recommended Planting
Rate (Ib/oc)
Feb. 15
Sep. 1
- Apr. 1
- Nov. 1
Tall Fescue Mixture
see table
2
Apr. 1 -
Aug. 1
Hybrid Bermudogross
see table
2
Apr. 1 -
Jul. 15
Common Bermudogross
see table
2
Mar. 1 -
Jul. 1
Centipedegross
see table
2
PERMANENT SEEDING TABLE 20-LOW MAINTENANCE MIXTURES
Site Description
Recommended Planting
Rate (Ib/oc)
Well to poorly
Tall Fescue Mixture
80
drained soils
Pensacola Bahiagrass
50
Kobe Lespedeza
40
Dry to well
Pensacola Bahiagrass
50
drained soils
Common Bermudogross
30
Kobe Lespedeza
10
German Millet
10
SwaIes
Common Bermudogross
40-80
PERMANENT SEEDING TABLE 2b-HIGH MAINTENANCE MIXTURES
Site Description
Recommended Planting
Rate (Ib/ac)
Well to poorly
Tall Fescue Mixture
200
drained soils
R e Gr�a i n
25
Dry to well
drained soils
Hybrid Bermudogross
50
Well drained
sandy foam to
Centipedegrass
10-20
sand, lawns.
Notes:
For seeding outside of recommended dates and/or
for temporary stabilization, refer to temporary
seeding table.
For highly erosive areas or as directed by an
engineer, sod shall be provided.
TEMPORARY SEEDING TABLE
Seeding Dates
Recommended Planting
Rote (Ib/ac)
Dec. 1 - Apr. 15
Kobe Lespedeza with
Rye Grain
50
120
Apr. 15 - Aug. 15
German Millet
40
Aug. 15 -Dec. 1
Rye Grain
120
SOD INSTALLATION
1. Fertilize and lime per recommendations of soil
tests or apply 100 Ib/1,000 sf ground agricultural
limestone and 25 Ib/1,000 sf fertilizer. In the
fall, use 10-10-10. In the spring, use 5-10-10.
2. Incorporate lime/fertilizer 4-6 inches.
3. Rake or harrow to achieve a smooth final grade.
4. Roil to achieve a smooth, firm surface on which
to lay the sod.
5. Lightly rake and irrigate top layer of soil just
prior to installation.
6. Lay sod in a staggered, brick -like pattern with
the longest dimension perpendicular to the slope.
Avoid gaps. Use a knife to fit irregular shapes.
7. Roil sod lightly after installation to ensure
good sod to soil contact. STORM
8. Irrigate initially to wet soil to a depth of 4". GRATE
Keep soil moist for 2-3 weeks thereafter or until
sod has taken root.
4' ( MAX )
EEIHIll R1 EEIHIE 11
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7 "1, 1 V4
31 717,ucm!19T��
(MIN)I�Idi [Lil,i Ifi i:H
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STEEL
STAKES
AL I II
11 „ II
2 11 16 I1
(MIN) 1 1 I I
it II
II II
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NITS
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= Q 1�8 rr a i 8 r► c% � W W
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� Q 0 4' 1/8 r, 1 r� 1 �,,2,r R j rr W CC �
Z 0 1� rr 1% "-}.-I ! r 8
z 2' -11 � " F •.- 2' -11 r' L�
1 it j 11/2'L-1 [� �S jr 1 ,r
-L 1 » �-
1 � r► SECTION A -A /$►►
SHEET 2 OF 2 TYPE - F TYPE G AV SECTION A -A SHEET 2 OF 2
840.03
r 840.03
t1�rt,r,aiviv truLry r
DETAIL OF DANDY CURB SACK
INLET SEDIMENT CONTROL DEVICE
WITH CURB FILTER
PLAN
3`-11�'r lot-0
12" 12"
1" PER FT
" PER FT
11' 6" 7 �1.5" SF 9.5A
ASHPALT
6" ABC
SECTION AA
MODIFIED 24" VALLEY CURB DETAIL
NTS
" RADIUS �•• , 24"
1 " PER FT
RADIUS
3" RADIUS
�fP FT
12" 1.5" SF 9.5A
6" 7" ASHPALT
6" ABC
SECTION BB
2'-6" CURB AND GUTTER DETAIL
i� 5rrr
- DEPRESSED,GUTTER LINE - 7
EXPANSION JOINT
SEE STANDARD NO. 840.01 OR 840.02
ELEVATION aP55
��� �o •CAC �PS�N
, GANG
F
P� vV
V-6" CURB AND GUTTER
CURB TRANSITION D ETAI L
NOTE: DETAIL IS BASED ON NCDOT STANDARD DRAWING 852.05
URB
[LTER
OPTIONAL
OUTFLOW
PORTS
IMPING
'RAPS
.LATH AND
FLAGGING ON
381r°
PI.
PAIN i� I� G
r HMHT
11COW 11 LkQ S
1 I WASHOUT I I
------------------
lWMPOST
I I'
SANE AG
10rdPLASM L004
A#A.
NOT
I IIIII`
NOT TO SCALE
I
um
CONCRETE WASHOUT
.
SIGN DETAIL 0
(OR EQUIVALENT)
)
10 ffA<PLASTIC LINING TYPE"BELOW E'
I All TEi�IANCE Concrete washouts should be inspected dairy and after heavy rains. Damages should
be repaired promptly: If filled to over 75 % capacity with rain water it should be vacuumed or allowed
C7 rn
--i
(�0
r- ©-„�
2!��p��
�plla►I�,,m
M =000
• pp�
c7AAA
." Z'
43" NOTE: USE TYPE "E"S "F" AND "G„ GRATE
UNLESS OTHERWISE NOTED.
s PL
FRAME,GRATE, & HOOD ASS'Y
SECTION - AA
""" 16111
3rr Sr_Drr 3161r
ftP_Tj0N
ALIGN FRAME WITH INSIDE
EDGE OF WALL TO ALLOW
FOR VERTICAL ADJUSTMENT ;o;
WALL SECTION
LgTI N - Ba
z
Uco
CLL.lj�"Z
W"u-.0
2 2 'r �pc1c6
F-
N N c~n�QJ
SECTION - LL SECTION - !� 0 p CC
W
W p
SECTION - PIP SECTION - NN
CY
tl
Q Q
LL Q
J"�
ac"y
usK 9 °` �. p
iv
°' dW�
Q
cry, rr �q 0
SEi
Sn W `W
3" R err Z CC
..... �.�.. ��...� ...�. ��� ....E
i rr rr ,2r-0`1 Err t
r, ,r�• r
r,j0T4%ff w
Is
2'-11'
R.
HOOD ELEVATIIE'�N
100-- L Lmw-M
.. FRAME PLAN
W -03�8,r
R
,r W LL` 0
----• -W
fr
SEPTI>I�i SHEET 1 OF 2
840.03
v GENERAL NOTES: z
rn 0
©� �,.i►.= fib; * THIS PRECAST BOX MAY BE USED FOR THE FOLLOWING STANDARDS:
�p H • z p. .. '? "0 840.04, 840.05, 840.14, 840.15, 840.31, 840.32, 840.34, ~ <C
7> co CJ 1" MIN. Err Err * 840.35, 840.36 AND 840.41. � _
m rn = CLR. (TYP) SECTION VIEWS WITHALL NCDOT STANDARD SPECIFiCATIONAND PAY FOR PRECASTAGE SECTIONC84C?ES IN ACCORDANCE W � a H Z
--1 1 rr MIN. USE 4000 PSI MINIMUM COMPRESSIVE STRENGI H CONCRETE. Z =
:ry rn CLR. (TYP) OPTIONAL JOINT DETAILS * USE ASTM A615 GRADE 60 REINFORCING STEEL. USE ASTM A185 w ` q B- _
z ¢ WELDED WIRE FABRIC (WWF) O
_ Cl) p -n v 4X4 W4XW4 LAP#5 REBARS 0 12" * LIMIT MAXIMUM DEPTH TO TOP OF BOTTOM SLAB TO 15'-0'r.
rZ WFF "ON - CENTERS (HORIZ. * PLACE LIFT HOLES OR PINS IN ACCORDANCE WITH OSHA STANDARD CO = LL " ---�
D > TO FABRIC) & VERT ,) 1926.704. Q p cry �
* ORIENT STRUCTURES SO THAT CORNERS WILL NOT BE CUT OR MODIFIED z E"r
4'I X 4'I&HLARGER UNLESS ALLOWED BY DETAIL IN PLANS. a a>-o
Cn O * PRECAST ALL ELEMENTS TO MEET ASTM C913. p
z, DRAINAGE STRUCTURES
TYPICAL) - 'L' BARS WITH * FRAME AND GRATE HEIGHT MAY BE ADJUSTED WITH CONCRETE r
V-6" LEGS OR BRICK IN ACCORDANCE WITH STANDARD 840.25.
PLAN VIEW OF BASE UNIT * PROVIDE PRECAST STRUCTURES OVER 4'-0" IN DEPTH WITH
STEPS 12" ON CENTERS IN ACCORDANCE WITH STD. NO. 840.66.
6" 'L' OR `W' 6" WELDED WELDED WIRE FABRIC MAY BE SUBSTITUTED FOR REBAR IF
rn
an
CD
F[ n =
a �
MIN.
MIN.
THE SAME MIN. AREA OF STEEL IS PROVIDED.
* SEAL JOINTS WITH AN APPROVED SEALANT (SEE SECTION 840 OF NCDOT
STANDARD SPECIFICATIONS.
#4 REBARS @
* LIMIT MAXIMUM STRUCTURE SIZE INSIDE CLEAR DIMENSIONS
F"
#4 REBARS @
s
6" CENTERS
_
TO 6'-0" X 6'-0".
cc N
6" CENTERS
EACH WAY
'
EACH WAY
~
* THE OUTSIDE PIPE DIAMETER PLUS 2" IS THE MINIMUM STRUCTURE
U_
Q
lL W
SIZE OR THE OPENING REQUIRED FOR GRATE AND FRAME WHICHEVER
IS GREATER.
(.i
CD W
GENTERLOCATEDTHIRD
TYPICAL PRECAST
*
OF WALL
ROUND MANHOLE MAY BE USED IN LIEU OF SQUARE PROVIDED 2 EXTRA
N 1=
RISER SECTION
#58 ARE PLACED ON EVERY SIDE NOT ADJACENT TO A WALL. SEE STD.
3: O.
DWG. 840.34 FOR MANHOLE INSTALLATION.
p
co
m IT! © PRECAST RISER PLAN C3 z
CC
CA Q N
M C7 2 #5 BARS EACH SIDE p Q
Z OF OPENING FULL SPAN- 6" �Lr Srr � w W
C1" MIN. CLEAR t0 MIN.
Q-� Z �- 'L' OR 'W' + 2 WALLS 1" MIN. CLR, = H H
m 47 i STEPS •• :q. CO U. Q
m3:
CA 2 #4 REBARS is 4X4 W4xW4 w O v J LLErr CENTERS WWF ( LAP WWF : y : �,* z
• �' 6 ONTO FABRIC) p :. , ,�.', '� . .q,•- •n .• •',p• w t�
'••
- - - - - - - - OPENINGR1 : ' #5 REBARS 12
" t
"
CLEAR (SEE NOTES) CENTERS
LOCATE OPENING z TYPICAL SECTION - °' ' °' °' • �'
AS REQUIRED co M
(SEE NOTES) TOP SLAB
Err 'L' co 2 66"TYPICAL SECTION
SHEET 1 OF 1
840.46 MIN' PLAN TOP SLAB ""I"' OF BASE UNIT
0.
SILT FENCE MATERIAL SHALL
BE ACF LS100 "DOT GRADE"
OR EQUAL. REFER TO SILT
FENCE MATERIAL SPECS
EROSION
STEEL CONTROL
STAKES FABRIC
3'-0" UNLESS
OTHERWISE NOTED
ON PLANS
FILL WITH
1`-0" ( EARTH
i !
3' MIN.
! i BURY
I !
! 1
! I
TYPICAL SILT FENCE
to evaporate to avoid overflows. Before heavy rains the containers>liquid;level should be lowered or NTS
the container covered to avoid an over flow during rain. When solids have hardened they should be
removed and recycled. NOTE: POSTS TO BE SPACED 6 FT
O.C. OR 8 FT O.C. Wi 14 GAUGE
CONCRETE WASHOUT DETAILS WOODEN �POSTS IRE EARE SH RNOT FACCEPTABLE
TEMPORARY SILT FENCE MATERIAL PROPERTY REQUIREMENTS
Grab Strength
ASTM
D 4632
Machine Direction
90
Ibs
MARV
X-Machine Direction
90
Ibs
MARV
Permittivity
ASTM
D 4491
0.05
sec-1
MARV
Apparent Opening Size
ASTM
D 4751
#30
Sieve
Max ARV
UV Stability
ASTM
D 4355
70%
after
Typical
500h of
exposure
SHEET 1
ISOMETRIC VIEW 840 •
GENERAL NOTES: FILL -" x 1" DEEP'
-PLACE CONTRACTION JOINTS AT 10' INTERVALS, EXCEPT THAT GROOVED OR SAWN
A 15' SPACING MAY BE USED WHEN A MACHINE IS USED OR WHEN JOINT WITH JOINT
SATISFACTORY SUPPORT FOR THE FACE FORM CAN BE OBTAINED SEALER JOINT SEALER
WITHOUT THE USE OF TEMPLATES AT 10' INTERVALS. 1/8►' RAD. GUTTER
-JOINT SPACING MAY BE ALTERED IF REQUIRED BY THE ENGINEER. ,o., /8" RAD. PAVEMENT SURFACE
-CONTRACTION JOINTS MAY BE INSTALLED WITH THE USE OF SURFACE
Fyn.
TEMPLATES OR FORMED BY OTHER APPROVED METHODS. ' ;a•; , o . :v ; . v .�; :a• '' F' ;d ••� iv
CONSTRUCT NON -TEMPLATE FORMED JOINTS A MIN. OF 1�r► DEEP. •;a• o' :a� �. .b; q' ,`; ? :. �; ,�`'. 0 �•. ,-
-FILL ALL CONSTRUCTION JOINTS, EXCEPT IN 8"x6" MEDIAN CURB, • �•',q.• a �• ° ° o.' :o ' ° ' ;a•' °
WITH JOINT FILLER AND SEALER. PROPOSED
r CURB & GUTTER PROP. _ "
-SPACE EXPANSION JOINTS AT 9O INTERVALS AND ADJACENT TO PAVEMENT JOINT FILLER
ALL RIGID OBJECTS. JOINT
LONGITUDINAL JOINT TRANSVERSE EXPANSION JOINT
IN CURB AND GUTTER
SECTION VIEW OF JOINTS
CURB AND GUTTER JOINT DETAIL
NTS
NOTE: DETAIL IS BASED ON NCDOT STANDARD DRAWING 846.01
♦%NCAROf����i
♦�5S1Q • 9 ��
SEAL ,_
3510 _
i
i • �• i
,tvGIN��:'' �`')
1
q�l6 l.. M��♦
��sl CI 111111,e�
DAVID L. ME IUS, P.E _
GATE_qn2m

TOP -OF. BOX:.. 6
BOTTOM OF SLOT = TEMPORARY POOL: "B" ....... ......................................
.................. ......... ...........................
..........
INVERT OF PVC = PERMANENT POOL: 'A'
........................................ ................. ...................................... .......... ..
RCP OUT:
SIZE: OL"
............... INVERT: "MO
OUTLET STRUCTURE DETAIL
N.T.S.
PROVIDE REBAR TRASH RACK ON TOP OF
4'X 4' CONCRETE OUTLET STRUCTURE
,THE CLEAR SPACE BETWEEN BARS SHALL
BE BETWEEN 2 INCHES AND 5.5 INCHES
AFFFIX RACK TO BOX BY TURNING
DOWN ENDS. DO NOT GROUT.
-SLOT LENGTH: "J"
-SLOT HEIGHT: "K"
BOTTOM OF TEMPORARY POOL MEASURED AT
INVERT OF 4" PVC THROUGH FITTING
45 BEND
PROVIDE 1.5' BETWEEN FLANGE
OF 45 BEND AND REDUCER TO
ACHIEVE 1' ORIFICE DEPTH
4' PVC CAP W/ ORIFICE
DIAMETER: 'Hm
DRILLED IN CENTER
GALVANIZED WIRE CLOTH
TRASH SCREEN OVER PVC CAP
MAXIMUM WIRE SPACING 0.5"
vo SECURE CLOTH AROUND
SKIMMER HEAD WITH A
PIPE CLAMP
FLATTEN INTO DUCKBILL
SHAPE 0.75' FROM END
OF CAP WITH CABLE TIES
WIDTH = ON"
.,�,__,TqP OF BERM: "C"
/1-40 0CO3
2 0'm
EMERGENCY OVERFLOW
tip It
EiSV
00 _j
CR
12" THICK
CLASS 8
TREVIRA SPUNBOUND RIP RAP
TYPE 111120
FILTER FABRIC
BASIN EMERGENCY
OVERFLOW WEIR SECTION
NTS
................... TOP. X. BERM: ... ......................................................... ......................................................................
....................... TEMPORARY. RQQL:. .`BO --------------------------------------------------------------------------------------------------------------------
PERMANENT POOL: OAO
3 FOREBAY 3
6'WIDE 6:1 VEGETATED SHELF POND 3 12" THICK RIPRAP BOTTOM- n 1
3 ON FORB AY WEIR TOP AT ENTRANCE: OF
BELOW PERMANENT POOL AT EXIT: HER
EXCAVATE AN ADDITIONAL 10 LF AT HDPE
ATTACH POLY LINE BETWEEN
......................... 1.00' TO PROVIDE PROVIDE 50 CUBIC INCHES OF PERFORATED PIPE SKIMMER HEAD AND BERM/BOX
EXCAVATE AN ADDITIONAL SEDIMENT STORAGE CLOSED CELL POLYETHYLENE FOAM TO ENABLE SKIMMER RETRIEVAL
PER LINEAR FOOT OF SKIMMER AND MAINTENANCE
1.00' TO PROVIDE RING
SEDIMENT STORAGE
TYPICAL POND PROFILE �i� 10 LF 4" HDPE
SOLID WALL PIPE OUTLET
N • T S STRUCTURE
FERNCO ADAPTER 4" PVC CAP W/ ORIFICE
4" HDPE TEE MODEL 1070-44 DIAMETER: "H"
DRILLED IN LOWER 1/3
4"SCH 40 PVC ORIFICE CONTROLS
POND SCHEDULE STUBOUT PERMANENT POOL ELEVATION
POND A B c D E F G H i K L m N P 0 R ZKIMMER ASSEMBLY PLAN
A 21.00 21-98 25-00 15-00 17.00 16-00 24.91 2.51/ 1.00 2.93 30" 20-80 10.00 25.00 4,089 1,022 NTS
B 19.00 19.88 23-00 11.00 16.00 15-00 22-54 2.5" 1.50 2.66 30 18-50 10-00 23.00 3,134 783
C 20.00 20-96 24.00 12-00 1 17.00 1 1_6-_00j 22.68 1 2-0l 1 1.50 1 1.72 24 1 19.70 1 10.00 124.00 1 2,955 739
D 19.50 20-69 26-00 15-50 1 16-50 1 15-50 124.40 1 2.5" 1 3.00 0.33 30 1 19.30 1 20-00 124.90 1 2,964 741
THE 6:1 VEGETATED SHELF SHALL INCORPORATE A MINIMUM OF THREE TYPES OF SHALLOW WATER PROVIDE 50 CUBIC INCHES OF ATTACH POLY LINE BETWEEN
CLOSED CELL POLYETHYLENE FOAM SKIMMER HEAD AND BERM
EMERGENT PLANT SPECIES BELOW THE PERMANENT POOL AT A RATE OF 1 PLANT PER 4 SQUARE FEET. PER LINEAR FOOT OF SKIMMER TO ENABLE SKIMMER RETRIEVAL
RING 10 LF 4" HDPE ND MAINTENANCE- VEGETATED SHELF AREA BELOW PERMANENT POOL:_*P_SF. PROVIDE _7K_ EMERGENT PLANTS PERFORATED PIPE 4" HDPE TEE OUTLET STRUCTURE SLOT CONTROLSTEMPORARY POOL ELEVATION
RECOMMENDED EMERGENT PLANTS INCLUDE: 2" (MAX) SKIMMER
INTAKE DEPTH
SWAMP MILKWEED. SEDGES. WHITE TURTLEHEAD, AMERICAN CRINUM LILY. SWAMP LILY, WHITE STAR 10 LF 4" HDPE
GRASS, WILD AGERATUM, DWARF JOE PYE WEED. JOE PYE WEED. SWAMP SUNFLOWER. PINELANDS ..... J..TE.MPORARY. POOL- - - - - - - L__ _TL .... ........... SOLID WALL PIPE
.. .. ................................
.. .TEMPORARY .....
MALLOW, SCARLET ROSE MALLOW, NECHES RIVER MALLOW. VELVET MALLOW, ROSE MALLOW, SPIDER
LILY, SPRING MARSH SPIDER LILY, DWARF SPIDER LILY, TRAUBS SPIDER LILY. SEASHORE MALLOW.
CARDINAL FLOWER, BLUE LOBELIA, PLUMEGRASSES, ATAMASCO LILY OUTLET
STRUCTURE
POND SLOPES ABOVE THE VEGETATED SHELF SHALL BE STABILIZED PER THE SITE ....... ........................
STABILIZATION SCHEDULE.
I?F.RMAN 0-T - F.QQ[ ........... . . .................................. .................. .. .......................................
POND SHALL BE KEPT FREE OF CATTAILS. DESIGN STORAGE VOLUME FERNCO ADAPTER 4"PVC CAP W/ ORIF ICE
CONTAINED WITHIN MODELl 070-44 DIAMETER: "H"
DO NOT PLANT TREES OR WOODY VEGETATION ON POND EMBANKMENT SLOPES. ACTIVE DEPTH DRILLED IN LOWER 1/3
POND EMBANKMENT SLOPES SHALL BE STABILIZED WTIH NON -CLUMPING TURFGRASS. 4 " SCH 40 PVC ORIFICE CONTROLS
STUBOUT PERMANENT POOL ELEVATION
3
(MIN) BOTTOM
WIDTH PROVIDE STABLE
VEGETATIVE COVER
SWALE DETAIL
NTS
NOTES:
MAXIMUM SIDE SLOPES OF SWALES SHALL BE 3:1.
SWALES AND OTHER AREAS SUBJECT TO EROSIVE FLOWS
SHALL BE PERMANENTLY SEEDED OR SODDED WITH BERMUDA
GRASS OR APPROVED EQUAL IN ACCORDANCE WITH
STABILIZATION SCHEDULE.
EITHER SOD OR TEMPORARY SEEDING SHALL BE PROVIDED
FOR STABILIZATION OUTSIDE OF THE RECOMMENDED
PERMANENT SEEDING DATES.
SEEDED (TEMPORARY OR PERMANENT) SWALES SHALL BE
LINED WITH EXCELSIOR MAT.
SWALE SCHEDULE
SWALE ID
BOTTOM WIDTH
#
ol
#
of
I
1 -0 1
5
TOP OF SLOPEr EX. DITCH
3 3
-1 L SUITABLE :FfL
FLOW
INVERT OF DITCH 111-11 1=111 -111 =111
=fII till
SECTION
FLOW
W
r)
><
0-
CD
cn
CZ1 of
V)
Lwl
P'FLAT TOR
o
3:1
SLOPE
OUTFAL0%,
SILT FENCE
WITH STEEL
PLAN
STAKES WITH
2 FOOT SPACING
DITCH
PLUG
DETAIL
liimllr�ql­
ALL BUA SHALL
DRAIN TOWARDS
ROADSIDE SWALE
NON-BUA MAY
CONTINUE TO
DRAIN OFFSITE
DRAIN BUILDINGI
PAD TOWARDS
COLLECTION
SYSTEM I
TYPICAL LOT GRADING DETAIL
NTS
SKIMMER ASSEMBLY PROFILE
NTS
A PIPE A
C L A S S 'B
R I P R A P'
w
' *cc P
FLARED END
SECTION 2 a 4© p'o 0
PLAN VIEW
FINISH GRADE TOP OF BANK
PIPE ............. rr uw. LINE
INE
Re a a a osd 18
CLASS 8 lamigmT71
RIP RAP FILTER FABRIC
SECTION A -A
FILTER FABRIC TO BE TREVIRA
SPUNBOUND TYPE 111120
RIP RAP APRONS SHALL BE PROVIDED
ON DOWNSTREAM ENDS OF CULVERT
FLARED END SECTIONS
RIP RAP APRON DETAIL
NTS
RIP RAP APRON SCHEDULE
PIPE
LENGTH
WIDTH
15"
7.5'
3.8'
18
9.0'
4.5'
24
12.0'
6.0'
1 30"
1 15-0'l
7.5'
1 36"
1 18-0'l
9.0'
PRECAST FLA-
W/ RING AND
41 X 4'
PRECAST BOX
- - - - - - - - - _j I
POND DRAINAGE AREA MAP
THROAT BOX DETAIL
N a T o S 9
1" = 200'
RIM ELEVATION PER PLAN
DT ELEVATION PER PLAN
PRECAST OR SAWCUT
6"TALL X 3' WIDE
SLOTS INTO THREE
SIDES OF BOX
CA119����'�, •�c�S10 • hyq �i
35671
N
ep1D
l., V
*NN
.....................................
----------
D ID L-iMENIUS. P-E
/0/27/20/2
UATt
STORMWATER AND GRADING DETAILS
FlYL I E S COVE
MASONBORO TOWNSHIP NEW HANOVER COUNTY
OWNER: BILL CLARK HOMES OF WILMINGTON, LLC.
4
ADDRESS: 127 RACINE DRIVE, SUITE 201
PHONE: WILMINGTON, NC 28403
910-355-1744
ASTROUD ENGINEERING, P.A. SCALE: AS NOTED
102-D CINEMA DRIVE C-0647
WILMINGTON, NORTH CAROLINA 28403 SHEET 7 OF 7
[phone] [phone] FAX