Knapheide Gravel - Knapeide Full Civil (02-04-2019)

OVERALL CONSTRUCTION SEQUENCE
1. SETUP AN ON -SITE PRE -CONSTRUCTION CONFERENCE WITH NCDEQ EROSION CONTROL INSPECTOR AND
TOWN OF MIDLAND REPRESENTATIVE TO DISCUSS CONSTRUCTION.
FAILURE TO SDiEDULE SUCH CONFERENCE 48-HOURS PRIOR TO ANY LAND DISTURBING ACTIVITIES IS A
VIOLATION OF LOCAL CODE AND MAY BE SUBJECT TO FINES OR OTHER PENALTIES.
2. SURVEY AND FLAG THE DENUDED LIMITS.
3. INSTALL CONSTRUCTION ENTRANCE.
4. INSTALL SILT FENCE, JUNCTION BOX, PIPE P1, SKIMMER SEDIMENT TRAPS, AND OTHER MEASURES (AS
SHOWN ON THIS SHEET); CLEARING ONLY AS NECESSARY TO INSTALL THESE DEVICES.
4A. CONTRACTOR TO USE MOUND ON SITE FOR PHASE I EROSION TO BUILD SKIMMER SEDIMENT TRAPS AND
ON -SITE BERMS PRIOR TO UTILIZATION OF BORROW AREA.
5. SEDIMENT TRAPS NEED TO BE STABILIZED IMMEDIATELY AFTER INSTALLATION.
6. INSTALL CONSTRUCTION ENTRANCE, SILT FENCE, AND STONE OUTLET AT BORROW SITE:,
7. CALL FOR ON -SITE INSPECTION BY NCDEQ INSPECTOR. WHEN APPROVED, CONTRACTOR MAY THEN BEGIN
CLEARING AND GRUBBING THE REMAINING PORTIONS OF AREA.
7A. AS SITE IS BROUGHT TO FINAL GRADE DURING PHASE II EROSION, SST-1 MAY BE REMOVED SO LONG AS
ALL WATER IS DIVERTED TO SST-2 AS SHOWN ON PLANS.
8. MAINTAIN EROSION CONTROL DEVICES AS NECESSARY.
9. STABILIZE SITE AS AREAS ARE BROUGHT TO FINISH GRADE REFER TO DETAIL SHEET C-6.1 FOR SEEDING,
10. CONTRACTOR TO COORDINATE WITH EROSION CONTROL INSPECTOR PRIOR TO REMOVAL OF ANY EROSION
CONTROL MEASURES.
EROSION CONTROL NOTES,•
1. ALL 'REFERENCE' NUMBERS REFER TO DEO MANUAL UNLESS OTHERWISE NOTED.
2. ON -SITE BURIAL PITS MAY REQUIRE AN ON -SITE DEMOLITION LANDFILL PERMIT FROM THE ZONING
ADMINISTRATOR.
3. ANY GRADING BEYOND THE DENUDED LIMITS SHOWN ON THE PLAN IS A VIOLATION OF THE STATE EROSION
CONTROL ORDINANCE AND IS SUBJECT TO A FINE.
4. GRADING MORE THAN ONE ACRE WITHOUT AN APPROVED EROSION CONTROL PLAN IS A VIOLATION OF THE
COUNTY EROSION CONTROL ORDINANCE AND IS SUBJECT TO A FINE.
5. GROUND STABILIZATION: SEE ADJACENT NEW STABILIZATION TIMEFRAME CHART.
6. ADDITIONAL MEASURES TO CONTROL EROSION AND SEDIMENT MAY BE REQUIRED BY A REPRESENTATIVE OF
THE TOWN, COUNTY OR NCDEQ.
7. SLOPES SHALL BE GRADED NO STEEPER THAN 2:1. FILL SLOPES GREATER THAN 10' REQUIRE ADEQUATE
TERRACING. EMBANKMENT MATTING MAY BE REQUIRED FOR SLOPES STEEPER THAN IT BASED ON MATERIAL
8. A GRADING PLAN MUST BE SUBMITTED FOR ANY GRADING EXCEEDING ONE ACRE THAT WAS NOT
PREVIOUSLY APPROVED.
9. TEMPORARY DRIVEWAY PERMIT FOR CONSTRUCTION ENTRANCES IN NCDOT RIGHT OF WAY MUST BE
PRESENTED AT PRE-COSSTWCTION MEETING. (IF APPLICABLE)
MdliM%Ath7RA1 L
THE FCLLAMING MAINTENANCE PLAN SHALL BE FOLLOWED FOR EROSION AND SEDIMENT CONTROL DEVICES UNTL THE SITE
IS COMPLETELY STABIIIED AND AFTER CONSTRUCTION FOR STORM WATER MANAGEMENT DEVICES THROUGHOUT THE
UFECYC E OF THE DEVELOPMENT. DURING CONSTRUCTION, THE CONTRACTOR SHALL BE RESPONS LE FOR INSPECTION
AND MAINTENANCE OF ALL EROSION CONTROL FEATURES. FOLLOMING CONSTRUCTION. THE OMNER/RESPONSBLE PARTY
IS RESPONSIBLE FOR INSPECTION AND MAINTENANCE OF ALL STORM WATER MANAGEMENT FEATURES
1. ALL EROSION CONTROL MEASURES WILL. BE CHECKED FOR STABILITY AND OPERATION FOLLOWING ANY RAN -FALL
PRODUCING RUNOFF AT LEAST ONCE A WEEK. ANY NEEDED REPAIRS WALL BE MADE IMMEDIATELY 50 THAT ALL EROSION
CONTROL MEASURES ARE MAINTAINED AS DESIGNED.
2. THE SEDIMENT TRAPS WILL BE CLEANED OUT WFETN THE LEVEL OF SEDIMENT REACHES APPROXIMATELY ONE HALF OF
THE TRAP OR BASIN VOLUME.
A ALL SEEDED AREAS WILL BE FERTILIZED. RE -SEEDED AS NECESSARY, AND MULCHED ACCORDING TO THE SEEDING
SPECIFICATIONS AND THE RE EDIAT)ON PLAN IN ORDER TO MAINTAIN A DENSE VEGETATIVE COVER.
4. ALL SEEDED AREAS MILL BE RE -FERTILIZED IN THE SECOND YEAR UNLESS GROWTH IS FULLY ADEQUATE GRASSED
AREAS MILL BE MOMED AT LEAST ONCE A YEAR.
EFFECTIVE OCTOBER 1. 2010, PERSONS RESPONSIBLE FOR LAND DISTURBING ACTIVITIES MUST INSPECT THE SEDIMENT AND
EROSION CONTROL MEASURES ON A PROJECT AFTER EACH PHASE OF THE PROJECT TO MAKE SURE THAT THE APPROVED
EROSION AND SEDIMENTATION PLAN IS BEING FOLLOWED. SOY -INSPECTION REPORTS ARE REQUIED. A SAMPLE
SEF-INSPECTION REPORT. AS WELL AS DETAILS OF THE SELF -INSPECTION PROGRAM. CAN BE FTXIND ON THE LAND
QUALITY WEB SITE Attag//dsa.n-m 6&wf/dMNmro/�min� ---d- ---. ---/ ' -
AS A MINIMUM, THE INSPECTIONS SHALL BE PERFORMED AFTER EACH OF THE FOLLOWING PHASES OF A PLAN:
1. INSTALLATION OF PERIMETER EROSION AND SEDIMENT CONTROL MEASURES.
2. INSTALLATION OF SEDIMENT TRAPS/BASINS
3. CLEARING AND GRUBBING OF EXISTING GROUND COVER.
4. COMPLETION OF ANY PHASE OF GRADING THAT REQUIRES PROVISION OF STABILIZATION.
S. INSTALLATION OF MEASURES DURING ANY PHASE OF THE PROJECT.
6. COMPLETION OF CONSTRUCTION OR DEVELOPMENT.
7. INSTALLATION OF STORMWATER RETENTION MEASURES.
& QUARTERLY UNTIL THE ESTABLISHMENT OF PERMANENT GRWND COVER IS FILLY ESTABLISHED.
PLEASE NOTE THESE INSPECTION REQUIREMENTS ARE IN ADDITION TO NOTES INSPECTION REQUIREMENTS F YOU HAVE
QUESTIONS ABOUT THE SELF -INSPECTION PRAM, PLEASE CONTACT US AT (704) E63-1699.
LEGEND
SUBJECT PROPERTY BOUNDARY
ADJACENT PARCELS / RIGHT-OF-WAY INLET SCHEDULE:
702-- EXISTING TOPO
- - -ss - - -ss - - - - ss EXISTING SANITARY SEWER EASEMENT JUNCTION BOX JB-1
_,_ RIM: 506.00
- - - -"w_- -- -- �'�'- - - -W- - EXISTING WATERLINE
EXISTING CREEK CENTERLINE INLET INV. ELEV. = 501.93OUTLET INV. ELEV. = 501.73
20 FT CREEK BUFFER
702 PROPOSED GRADE
PIPE SCHEDULE:
PIPE P1 = 24" CLASS III, RCP
ACCESS AND MAINTENANCE INLET INV. ELEV. = 501.73 FT
OUTLET INV. ELEV 500.00T�
EASEMENT (TO BE RECORDED) MONISM
mmom% ,' LENGTH = 94.50 FT
WALLACE� - - - % / <
�,• 60 MAINTENANCE R/W)
0-10/ r .� �' PIPE P2 = 24" CLASS III, RCP
502 -P �� OUTLE V. ELEV. =4�6.7 FT
504 -
- EN -
/ 1` 74.00 ,iT
504 / Ss E _ 10
/ 8 0 p2 ES-2CD
o� _�p 1 �o
11� 41 /
r I 500
Q oQ h G�GEL -STORAGE�LOT
/ ,
^G ti 111426
AZ�QO a (2.55 ACRES
506
I/ Cam`��
GRAPHIC SCALE
40 0 20 ao 80
/ �`'
/ / � ••• � / ��� / i/ I ANTYE�. _
/OFF SITE BORROW ANP WASTE REQUIRED FOR THIS PROJECT MUST COME FROM A'SITE N
e06Rn1Fn CRnCIMJ rnu AN -
I mi C.-ry o� •u � c,orrv„ .��nre .,
d 'Yi is -IQ 7C1/ ANCJS 'AiIV--iii, C
`t(;)_K:IUV G3 ,J:;- 0-
1- s x;cJLN-V 1, (;i A) X I c'c ci )- -I i;v:; IG 1- s REFERENCE: ALL PARCEL AND BOUNDARY INFORMATION FOR -
;Ju vl, v P-c - c� v 'A31, /� I-{;JI Hi 11-14 CGAS VI ADJACENT PROPERTIES, PROPERTY DIMENSIONS, AND COORIDIN)
ANCJS 'A-<N-is, :i :n_�C I -I I-) GV r CABARRUS COUNTY GIS.
_?Cm I- Gi t: VA t:- I- :; )CC,1N- V I, A_: A "t{:V- 1 i Y
d- CC i-1-) R; 3- VA ), Il.)- CC'-[;
Firm License # P-1191
7140 Weddington Road
Suite 140
Concord, NC 28027
Civil Site Design
Low Impact Development
Small -Scale Building Design
Telephone: [phone]
Facsimile: 704.248.7951
Seals:
SEAL 9r;
032006
%ty 4;G.INS�-L
Jr.
O
�<z
�-- > - <
J
>}--
z
� Q Q
�Q z
Q
z
=o
z
Project Number: 17.16.138
Date: 02/04/2019
Drawn By CMM
Checked By NRP
RCV151on5:
1 2/14/17 ORIGINAL SUBMITTAL
07/ 10/ 18 PER NCDEQ
09/ 13/ 18 PER NCDEQ
02/04/ 19 PER NCDEQ
Sheet Title:
GRADING
PLAN
Sheet No:
C�5m

UNDERDRAIN SYS. (TYP.) THE TOP OF THE SAND FILTER MEDIA
MUST BE PROTECTED. CLEAN WASHED
6" SCH. 40 PVC STONE MUST BE USED TO PREVENT LARGE
L"TA B�.E S••�R 00—Ct"G GIT STEM .
nllr MONO mow loom NONE
/
CLEANOUT (TYP.) /
WALLACE___ - - 1-1
r
60' MAINTENANCE R W) -€x-f 72"CIVIP
INV-493.62'
504
\f
RIP RAP
BERM
SEDIMENT
FOREBAY FB-1
SAND FILTER SF-1
(SEE DETAIL ON THIS SHEET)
SIDE SLOPES OF SF AREA TO
BE 3:1 AND MUST BE SODDED
TO PREVENT CONTAMINATION
OF SAND IN FILTER
510
50C
DATU.Y ELEV
490
10—YR, 24—HR WAT
1— YR,
1ST
WASHED SAND BASE BERMUDA SOD OR A HARD
SURFACE SUCH AS RIVER ROCK
GEOTEXTILE FABRIC
OR CHOKER COURSE
DO NOT COMPACT BOTTOM
SCARIFY BOTTOM A MINIMUM
OF 3—FEET
TYPICAL SECTION
NOT TO SCALE
18" TOTAL SAND
12" OVER
UNDERDRAIN
PERFORATED PIPE UNDERDRAIN COLLECTION SYSTEM
THE UNDERDRAIN COLLECTION SYSTEM SHOULD BE
EQUIPPED WITH 6—INCH MINIMUM PERFORATED SCHEDULE 40
OR STRONGER PVC PIPE.PERFORATIONS SHALL BE PER
AASHTO M278 FOR PVC PIPE,OR BE 3/8—INCH IN
DIAMETER SPACED 3 INCHES ON CENTER ALONG
4 LONGITUDINAL ROWS THAT ARE SPACED 90' APART.
THE PIPES SHALL HAVE A MINIMUM SLOPE OF 0.5% AND
A MAXIMUM SPACING OF 10 FEET ON CENTER.
SAND FILTRATION DETAIL
REF: CHARLOTTE—MECKLENBURG BMP DESIGN MANUAL (REVISED JULY 2013)
1 SAND FILTERS SF-1 PLAN VIEW
5.2
THE TOP OF THE SAND FILTER MEDIA MUST BE PROTECTED. CLEANOUTS OF 6-INCH SOLID PVC MUST BE PROVIDED FOR EVERY 50 LINEAR FEET OF UNDERDRAIN, AT ALL BENDS, AND
CLEAN WASHED STONE MUST BE USED TO PREVENT LARGE ENDS OF THE SYSTEM FOR MAINTENANCE PURPOSES. THE TOP OF THE CLEANOUTS SHOULD EXTEND 6 INCHES ABOVE THE TOP
FLOATABLES FROM CLOGGING THE SYSTEM. OF FILTER AND HAVE A WATERTIGHT, VANDAL PROOF CAP. AT LEAST ONE CLEANOUT SHALL BE INSTALLED AS AN EMERGENCY
DRAIN THAT IS FLUSH WITH THE TOP OF FILTER AND HAVE A 6-INCH THREADED EXTENSION PIPE. THE FURTHEST CLEANOUT FROM
THE OUTLET MUST HAVE THE MINIMUM REQUIRED FILTER MEDIA DEPTH.
TOP OF RISER EL EV. = 502 40 F T
CONCRETE RISER STRUCTURE 50-YR, 24-1-IR WATER SURFACE ELEVATION = 503,48 FT
WITH 6" THICK 3,50E PSI PRE -CAST
CONCRETE RISER WALL
(SEE DETAIL ON THIS SHEET)
CONSTRUCTION GUIDELINES FOR SAND FILTRATION BASIN
SPEC IFICATION/TEST METHOD
SIZE
NOTES
MATERIAL
Sand substitutions such as Diabase and
Graystone #10 are not acceptable. No
ASTM-C-144 or
0.02" to 0.04"
calcium or dolomitic sand substitutions are
ASTM-C-33 concrete sand
acceptable. No "rock dust" can be used for
Sand
sand.
Ash content < 15%,
The material must be reed -sedge humic peat,
pH range: 5.2 to 4.9,
n/a
shredded, uncompacted, uniform and clean.
Loose bulk density
(For open and sand filter only).
Peat
Underlain Gravel
blue stone, double washed, #57 stone
0.5" to 1.5"
4" min. over underdrain and max of 12" total
Must maintain 125 gpm/ft"2 flow rate. Note: a
Geotextile Fabric
MIRAFI 140 OR EQUAL
0.08" thick
4" pea gravel layer may be substituted for
(if required)
equivalent opening
g eotextiles meant to "separate" sand filter
size of #80 sieve
layers.
ASTM-D-4833 (Thickness)
ASTM-D-412 (Tensile strength 1,100 lb,
Liner to be ultraviolet -resistant. A geotextile
Impermeable Liner
elongation 200 percent)
30 mil thickness
fabric should be used to protect the liner from
ASTM-D-624 (tear resistance - 150 lb/in)
puncture.
ASTM-D-471 (water absorption: +8 to 2%
mass)
Min. 6" perforated Scheduled 40
3/8" perf. @ 3" O/C along 4 longitudinal rows that are
Underlain Piping
AASHTO-M-278 (PVC)
or stronger PVC or double
spaced 90 degrees apart. Pipes shall have a min. slope
AASHTO-M-252 (HDPE)
wall HDPE
of 0%and max spacing of 10' O.C.
On -site testing of poured -in -place concrete
required: 28-day strength and slump test; all
Concrete (cast-in-
Fe=3,500 psi; normal weight,
concrete design (cast -in -place or pre -cast) not
air -entrained; reinforced to meet ASTM-615-69
n/a
using previously approved state or local
place)
standards requires design drawings sealed
and approved by a licensed, professional
structural engineer.
Concrete (pre -cast)
Per pre -cast concrete manafacturer
n/a
Non-rebar steel
ASTM A-36
n/a
REFERENCES: MANUAL OF 5TOKMWATER BE5T MANAGEMENT PRACTICE5; NORTH CAKULINA uCrAKt MCNI VI- CNVIKVNMGNI ANU NAI UKAL KC UUKU.
TOWN OF HUNTER5VILLE WATER QUALITY DE51GN MANUAL (JUNE 2013 EDITION)
CHARLOTTE-MECKLENBURG BMP DESIGN MANUAL (REVISED JULY 201 3)
ADMIN15TPATION MANUAL FOR IMPLEMENTATION OF THE P05T-CONSTRUCTION STORM WATER ORDINANCE (REVISED JUNE 201 3)
SAND FILTER MAINTENANCE TA5K5 AND SCHEDULE
FES-2
-- —
,P OF
EN"
I
0MEN FT 5 -
-- ---- --- — — ---- - - -----
—
1—_-
-
-
n
-
III y
F
- - ---- -I -I
r
�-4-__--,----+I-1
I_ --_�---
�I�-1�-1��7.
_-_
_
—_- -
------ -
I=—=H
I�
R SURFACE EL EVATIUN = 502,91FT
0 115E
4-HR WATER SURFACE EL EVAI-ION = 5
.66F
CH WA TER SURFACE EL EVA TION = 501,
RIPR
5 FT
P BERM
2
0 0
0+00 THE UNDERDRAIN COLLECTION SYSTEM SHOULD BE EQUIPPED 1 +00
WITH 6-INCH MINIMUM PERFORATED SCHEDULE
40 OR STRONGER PVC PIPE. DO NOT COMPACT BOTTOM
PERFORATIONS SHALL BE PER AASHTO M278 FOR PVC PIPE, AASHTO M252 SCARIFY BOTTOM PRIOR TO
THE PIPES SHALL HAVE A MINIMUM SLOPE UNDERDRAIN INSTALLATION
OF 0.5% AND A MAXIMUM SPACING OF 10 FEET ON CENTER.
1 +5U
_.. J_ 14� ...I v V V 10, 1I v 11 4_
SAND FILTERS SF-1 PROFILE VIEW
WATERTIGHT JOINT AT
RISER CONNECTION
1 INCH = 10 FEET
10 0 5 10 20 24 REINFORCED CONCRETE PIPE (TO FES-2
INLET INVERT ELEV. = 497.5 FT
OUTLET INVERT ELEV. = 496.75 FT
LENGTH = 74.00 FT
.. SLQPE y,1.01 i
VERTICAL GRAPHIC SCALE (PROFILE VIEW)
1 INCH = 10 FEET
10 0 5 10 20
GRAPHIC SCALE (PLAN VIEW)
30 0 15 30 60
COPYRIGHT© 2017 AMICUS PARTNERS, PLLC.
ALL RIGHTS RESERVED. REPRODUCTION OR USE OF THE CONTENTS
OF THIS DOCUMENT, OR ADDITIONS OR DELETIONS TO THIS
REFERENCE: ALL PARCEL AND BOUNDARY INFORMATION FOR THIS PROPERTY AND
DOCUMENT, IN WHOLE OR IN PART, WITHOUT WRITTEN CONSENT
ADJACENT PROPERTIES, PROPERTY DIMENSIONS, AND COORDINATES REFERENCED FROM
OF AMICUS PARTNERS, IS STRICTLY PROHIBITED. ONLY
CABARRUS COUNTY GIS.
COPIES FROM THE ORIGINAL OF THIS DOCUMENT, AS APPROVED BY
'HE ENGINEER SHALL BE CONSIDERED TO BE VALID, TRUE COPIES.
TRASH RACK NOTES:
EACH TRASH RACK IS TO BE CONSTRUCTED OF #3 REBAR, MUST BE
GALVANIZED PRIOR TO FINAL ASSEMBLY. OPENINGS ARE TO BE NO MORE
THAN 6" SQUARE. THE ORIFICE TRASH RACKS ARE TO BE ASSEMBLED
IN ONE PIECE, AND THE TOP TRASH RACK IS TO BE ASSEMBLED IN 4
SEPARATE PIECES AND BOLTED (NOT WELDED) FOR FINAL ASSEMBLY.
TRASH RACK SHALL HAVE A HINGED PANEL FOR WORKER ACCESS.
(SEE ABOVE DETAIL)
TOP VIEW
24" REINFORCED CONCRETE PIPE (TO FES-2)
INLET INVERT ELEV. = 497.5 FT
OUTLET INVERT ELEV. = 496.75 FT
LENGTH = 74.00 FT
SLOPE = 1.01 %
f 4.0 FT f
TASK
SCHEDULE
INSPECT BANKS AND SURROUNDING DRAINAGE AREAS
FOR EROSION AND STABILIZE IF NECESSARY
MONTHLY
STREET SWEEP PARKING LOT
QUARTERLY
TRASH REMOVAL
MONTHLY
INSPECT OUTLET FOR OBSTRUCTIONS
MONTHLY
INSPECT FOR CLOGGING
MONTHLY
INSPECT INLET GRATES
MONTHLY
SKIM SAND MEDIA
YEARLY
PUMP OIL AND GRIT FROM
SEDIMENTATION CHAMBER
YEARLY OR AT 50% FULL
REPLACE SAND MEDIA
AS NEEDED (EXPECT 3 YEARS)
GRA55ED SAND FILTER
MOW BASIN TO RECOMMENDED HEIGHT IN
ALTERNATING PATTERNS TO PREVENT COMPACTION
AND PREVENT WEED GROWTH. BAG CLIPPINGS TO
PREVENT THATCH BUILT-UP.
WEEKLY TO BI-WEEKLY DURING THE GROWIN
SEASON, AS NEEDED OTHER SEASONS
LIGHT FERTILIZING TO ESTABLISH HEALTHY ROOTS
ONLY DURING THE FIRST 2 YEARS
AERATE AND DETHATCH BASIN FLOOR
EVERY 2 YEARS
NOTE: NO SOD/GRASS IS TO BE PLACED ON TOP OF SAND FILTER. REFERENCE TO GRASS MAINTENANCE IS FOR ALL
AREAS OUTSIDE THE SAND FILTER. SAND FILTER TO BE PROTECTED WITH A CLEAN, WASHED STONE ON TOP OF SAND.
510
DATUM ELEV
490
4'X4' REINFORCED CONCRETE
RISER (INTERIOR DIMENSIONS)
HARD PIPE TO UNDERDRAIN
COLLECTION SYSTEM
RISER STRUCTURE DETAIL
5.2 SCALE: N.T.S.
RACK
IGLE 8" ORIFICE `
VATION @ CENTER OF ORIFICE = 501.50-FT /)
15 REBAR MAT @ 12" ON CENTER
\1 EACH DIRECTION
DNCRETE PIPE
_AVING THE RISER
UST BE 0-RING PIPE
6' X 6' X 1.0'
3,500 PSI CONCRETE SPREAD FOOTING
WITH (2) REBAR MATS CONSISTING OF #6 REBAR
12" ON CENTER IN EACH DIRECTION
Firm License # P-1191
7140 Weddington Road
Suite 140
Concord, NC 28027
Civil Site Design
Low Impact Development
Small —Scale Building Design
Telephone: [phone]
Facsimile: 704.248.7951
Seals:
r
SEALS' •
032006
01.oy.7al.1
lI i
41�--I
Z
�QO
�
Z
L L
L
>
o
Z
L--�
Q
T_
d
�o
Project Number: 17.16.138
Date: A02/04/2019
Drawn By. CMM
Checked By. NRP
Rev151on5:
1 2/ 1 4/ 1 7
ORIGINAL SUBMITTAL
0711 0/ 18
PER NCDEQ
03/ 1 3/ 1 8
PER NCDEQ
I I /2G/ 18
PER NCDEQ
02/04/191
PER NCDEQ
Sheet Title:
SAND FILTER
SF-1
PLAN AND
DETAILS
Sheet No:
C�502

I . UNIFORMLY GRADE A SHALLOW DEPRESSION APPROACHING THE INLET.
2. DRIVE 5-FOOT STEEL POSTS 2 FEET INTO THE GROUND SURROUNDING 1) GROUND STABILIZATION•
PLAN
I A t`1 VIEW
CIA! THE INLET. SPACE POSTS EVENLY AROUND THE PERIMETER OF THE
L A V V E YV INLET, A MAXIMUM OF 4 FEET APART.
SKIMMER SEDIMENT BASIN
DESIGN CRITERIA
3, SURROUND THE POSTS WITH WIRE MESH HARDWARE CLOTH. SECURE THE SITE AREA STABILIZATION TIME STABILIZATION TIME
WIRE MESH TO THE STEEL POSTS AT THE TOP, MIDDLE AND BOTTOM. DESCRIPTION FRAME FRAME EXCEPTIONS
PLACING A 2-FOOT FLAP F THE WIRE MESH UNDER THE GRAVEL
FOR ANCHORING IS RECOMMENDED.
DRAINAGE PERIMETER DIKES,
AREA < 10 AC. 4. PLACE CLEAN GRAVEL (NC DOT #5 OR f57 STONE) ON A 2:1 SLOPE GENERAL NOTES: SWALES, DITCHES 7 DAYS NONE
MBANKMENT WITH A HEIGHT OF 16 INCHES AROUND THE WIRE AND SMOOTH TO AN
(ACRES) LENGTH EVEN GRADE AND SLOPES
1. A STABILIZED ENTRANCE PAD OF #5 WASHED STONE OR RAIL ROAD BALLAST SHALL BE LOCATED WHERE TRAFFIC
._. - 5. ONCE THE CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED, REMOVE WILL ENTER OR LEAVE THE CONSTRUCTION SITE ONTO A PUBLIC STREET.HIGH QUALITY 7 DAYS
ACCUMULATED SEDIMENT AND ESTABLISH FINAL GRADING ELEVATIONS.WATER (HQW) NONE
MIN. INFLOW LENGTH TO 2:1 ST6. COMPACT THE AREA PROPERLY AND STABILIZE IT WITH GROUNDCOVER. 2. FILTER FABRIC OR COMPACTED CRUSHER RUN STONE SHALL BE USED AS A BASE FOR THE CONSTRUCTION ZONES
RUCTURE
WIDTH RATIO 10'
ENTRANCE.
MIN. IF SLOPES ARE 10' OR Amicus Partners, PLLC
NOTES: 3. THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOWING OF SEDIMENT SLOPES 3:1 OR 7 DAYS LESS IN LENGTH AND ARE
ONTO PUBLIC STREETS OR EXISTING PAVEMENT. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH ADDITIONAL FLATTER NOT STEEPER THAN 2:1, 14
MAX. LENGTH TO 6:1 STONE AS CONDITIONS WARRANT AND REPAIR OR CLEANOUT OF ANY MEASURES USED TO TRAP SEDIMENT. DAYS ARE ALLOWED.
WIDTH RATIO 1. REFER TO
SKIMMER NCESCPDM 4, ANY SEDIMENT SPILLED, DROPPED, WASHED, OR TRACKED ONTO PUBLIC STREETS MUST BE REMOVED IMMEDIATELY. 7-DAYS FOR SLOPES
DEWATERING SECTION #6.64 - He DOT #s OR /57 SLOPES 3:1 OR 14 DAYS GREATER THAN 50 FEET IN
MIN. 1800 AVERAGE = ARE`` DEVICE FOR ADDITIONAL WASHED STONE 5. WHEN APPROPRIATE, WHEELS MUST BE CLEANED TO REMOVE SEDIMENT PRIOR TO ENTERING A PUBLIC STREET. WHEN FLATTER LENGTH Firm License # P-1191
VOLUME PER C. WIDTH LENGTH DESIGN WASHING IS REQUIRED, IT SHALL BE DONE IN AN AREA STABILIZED WITH CRUSHED STONE WHICH DRAINS INTO AN
SPECIFICATIONS ALL OTHER AREAS NONE (EXCEPT FOR g
REQUIRED PER AC. MERGENCY APPROVED SEDIMENT BASIN. SEE STD. N0. 515.1. WITH SLOPES 14 DAYS PERIMETERS AND HOW 7140 Wsdde 140 Road
DISTURBED) AREA OF BASIN WATER SPILLWAY REGARDING 6. TOWN MAY REQUIRE A STANDARD COMMERCIAL DRIVEWAY TO ACCESS THE CONSTRUCTION SITE IF THE DRIVEWAY IS FLATTER THAN 4:1 ZONES)
SURFACE AT TOP OF _.- ; ` .. SKIMMER SEDIMENT
SURFACE ON A THOROUGHFARE. Concord, NC 28027
325 PRIMARY SPILLWAY BASINS. *"EXTENSIONS OF TIME MAY BE APPROVED BY THE PERMITTING (Sq• FT_
AREA 19-GUAGE HARDWARE CLOTH ---.- 4' MAX­UTHORITY BASED ON WEATHER OR OTHER SITE -SPECIFIC Civil VI I Site Design
s i n
PER CFS 2. REFER TO STD. g
REQUIRED Q10) (1/4 INCH MESH OPENINGS) 100 FT (MIN) CONDITIONS THAT MAKE COMPLIANCE IMPRACTICABLE." (SECTION -
CROSS-SECTION VIEW BAFFLES #524.1 FOR - II.8(2)(b)) Low Impact Development
BAFFLE SPACING - - P P
1' FREEBOARD W=5' MIN. AND INSTALLATION. I REFERENCE: NORTH CAROLINA DIVISION OF WATER QUALITY
I -I
6" MAX. DEPTH OF FLOW OVER MBANKMENT EXISTING GROUND -I I l I I-1 I I -Ili (DWQ) CONSTRUCTION GENERAL PERMIT (NCG01) Small -Scale Building Design
INFLOW EMERGENCY SPILLWAY -
STRUCTURE 11=1 I I -III -I I -I 11=1 I -I 11-1 I I-III-1 11=I I'
STRUCTURE BAFFLES T=1.5' MIN. WOVEN GEOTEXTILE Telephone: [phone]
MIN. I' 3' 2' EQUIVALENT TO MIRAFI 50OX #5 WASHED STONE X P
Z=5' MAX. j j TEMPORARY SILT DITCH < Facsimile: 704.248.7951
1 1 SEE DETAIL STD. 30.05
1 OR FLATTER
DEWATERING I - - INC DOT OR ONE #57 100 FT (MIN) SEE NOTE 2 0
WASHED
ZON H=2 MIN. MERGENCY 1� " Seals:
FILTER FABRIC SPILLWAY L m
SEDIMENT LA3
GD 10' CONSTRUCTION �l
NOT TO SCALE ANTI -SEEP tr-i
STORAGE ZONE COLLAR v (n ACCESS
FIWATER 2' TEMPORARY 1 OR FLATTER i~C ����js,✓Q/''i���,„
SILT FENCE 2
SKIMMER SEDIMENT TRAP DATA BLOCK 7SEE DETAIL
SEAL
SKIMMER GOVERNING DRAINAGE DENUDED BASIN VOLUME BASIN SURFACE AREA CLEANOUT H Z L T W SKIMMER SKIMMER SKIMMER STD. 508.1 0 . o
TRAP PHASE AREA AREA Q10 REQUIRED PROVIDED REQUIRED PROVIDED DEPTH (FT.) (FEET) (FEET) (FEET) (FEET) (FEET) PIPE ORIFICE ORIFICE 2-3 INCH COARSE AGGREGA WIRE MESH ® 032006 s
(ACRES) (ACRES) (CUBIC REQUIRED
(CUBIC FT.) (SO Fi. (SO Fi. H/2 DIAMETER DIAMETER RADIUS ��� � � :01-�����
SST-1 PHASE I 1.10 2.86 5.91 1,980 16,830 1,921 4,571 1.00 2.0 4.0 18.0 2.5 8.0 3.0" 2.8" 1.4" ' r e u
SST-2 PHASE II 2.81 3.47 17.34 5,085 27,577 5,635 7,377 1.00 2.0 4.0 16.0 1.5 8.0 4.0" 3.3" 1.7 f ' 1 Hardware Cloth & Gravel Inlet Protection Detail 4�s�`AS �,?w^��
f ' �+lt it 111, �Ti 6.o Ref: NCDENR 3 Construction Entrance Detail I 2 FT (MIN) •Z•oY• ZOi9
1 Skimmer Sediment Trap Detail 6.0 � Slope Stability
Ref: NCDENR #6.06.1
6.0 Ref: NCDENR #6.64.7 60 Ref: MCLDS Standard #30.16
NOTES: - oFL SURFACE AREA
1. A MINIMUM OF 24" FROM OUTSIDE DIAMETER OF PIPE TO SIDE INLET DONE 25%
0 SU FACE AREAENTRY WATER ENTRY UNIT
OF TRENCH MUST BE ALLOWED FOR COMPACTION OF FILL WITTRASHSCREEUNIT WITH TRASH SCREEN GENERAL NOTES:
IN ZONE 25% GENERAL NOTES: WITH TRASH SCREEN GENERAL NOTES: PROPER DESIGN MUST BE COMPLETED TO MINIMIZE PIPING AROUND DISCHARGE PIPE.
MATERIAL. BACKFILLING OF TRENCHES SHALL BE ACCOMPLISHED OF SURFACE AREA 1. PROPER DESIGN MUST BE COMPLETED TO MINIMIZE PIPING AROUND DISCHARGE PIPE.
.02. PROPER ORIFIC
AER THE PIPE IS LAID. THE FILL AROUND THE E OPENING MUST BE SELECTED TO ENSURE POND DRAINS INCORRECT
1. DRIVE 5' STEEL POST AT LEAST 2. PROPER ORIFICE OPENING MUST BE SELECTED ENSURE POND DRAINS IN CORRECTIMMEDIATELY
AMOUNT OF TIME. MODIFICATIONS MAYBE REQUIRED IF FIELD CONDITIONS WARRANT A
O
SURFACE AREA AMOUNT OF TIME. MODIFICATIONS MAY BE REQUIRED IF FIELD CONDITIONS WARRANT A CHANGE.
/y UTLET ZONE 1 %A 24" INTO SOLID GROUND. CHANGE, 3. EMBANKMENT MUST BE COMPACTED TO DESIGN SPECIFICATIONS. 3. EMBANKMENT MUST BE COMPACTED TO DESIGN SPECIFICATIONS.
PIPE SHALL BE PLACED IN LAYERS NOT TO EXCEED 6". QF 4. EMERGENCY SPILLWAY MUST BE CORRECTLY SIZED AND EROSION PROTECTION INSTALLED.
4. EMERGENCY SPILLWAY MUST BE CORRECTLY ALONG
THE EROSION PROTECTION INSTALLED.
UNDER NO CIRCUMSTANCES SHALL WATER BE PERMITTED 2. USE STAPLES 1' APART S. EROSION PROTECTION MUST BE INSTALLED ALONG THE EMBANKMENT AND AT THE / \
HORIZONTALLY AND VERTICALLY 5. EROSION PROTECTION MUST BE INSTALLED ALONG THE EMBANKMENT AND A7 THE DISCHARGE END OF THE PIPE. \\JJ TO RISE IN UNBACKFILLED TRENCHES AFTER THE PIPE HAS BEEN ORIFICE OPENING INSIDE THE DISCHARGE END OF THE PIPE. ORIFICE OPENING INSIDE THE 6. INSPECT SYSTEM REGULARLY TO ENSURE IT IS FUNCTIONING IN A CORRECT MANNER.
TO ATTACH THE POROUS 6. INSPECT SYSTEM REGULARLY TO ENSURE IT IS FUNCTIONING IN A CORRECT MANNER. ORIZONTAL TUBE IMTH A
ORIZONTAL TUBE WITH A CONSTANT HYDRAULIC HEAD 7. EIGHT SIZES OF SKIMMERS ARE AVAILABLE, REFER TO THE FLOW SHEET, CUT SHEET, AND
PLACED. COMPACTION REQUIREMENTS SHALL BE ATTAINED BY FCQ� I BAFFLES TO THE WIRE FENCE. CONSTANT HYDRAULIC HEAD T EIGHT SIZES OF SKIMMERS ARE AVAILABLE. REFER TO THE FLOW SHEET, CUT SHEET, AND NSTRUCT ONS ON WEB SITE FOR EACH SIZE.
\_ IN ON WEB SITE FOR EACH SIZE.
THE USE OF MECHANICAL TAMPS ONLY. EACH AND EVERY LAYER � X 3. MINIMUM BAFFLE SPACING IS 10'.
OF BACKFILL SHALL BE PLACED LOOSE AND THOROUGHLY COMPACTED � � 1 SCHEDULE 40 PVC PIPE
INTO PLACE. 4. THE FLOOR OF THE BASIN IN SCHEDULE 40 PVC PIPE BARREL OR ARM)
THE OUTLET ZONE AND BERMS (BARRELORARM) RTHEN EMBANKMENT
2 FLOW h MAXIMUM HEIGHT OF FLOAT WHEN NO OTHER <
ALL BACKFILL MATERIAL SHALL HAVE AN IN PLACE COMPACTED DENSITY OF 95%. �- \ X SHOULD BE SEEDED IMMEDIATELY MERGENCY SPILLWAY
AFTER THE BASIN IS TORM WATER DISCHARGE OPENINGS EXIST
"Y' •' (MAJOR STORM EVENT) LEXIBLE HOSE ARTHEN EMBANKMENT `-•�
3. STANDARD PROCTOR. THE FINAL 2' BELOW FINISHED GRADE SHALL BE 100%. c CONSTRUCTED. LEXIBLE HOSE FLOAT
4. ALL TRENCHING OPERATIONS SHALL MEET OSHA STANDARDS. / FLOAT MERGENCY SPILLWAY PVC VENT O
5. REFER TO NCESCPDM SE TION PIPE
5. BACKFILL MATERIAL BENEATH ROADWAY SHALL BE SELECT BACKFILL MATERIAL. / EyRr S#6.65PECI FOR ADDITIONAL INVERT OF LOWEST STORM WATER PVC VENT ^ ^ l
/ N X SPECIfIATIONS. GRATE,. ISCHARGEOPENING PIPE Lam. t�
/ BERM (MINOR STORM EVENT)
/ TOP VIEW LOAT TOP VIEW SCHEDULE 40 PVC PIPE COAT
FLEXIBLE HOSE MUST BE (BARREL OR ARM) � ^
i0 SECURELY FASTENED TO THE VC VENT PIPE
/ e VC VENT PIPE STORM WATER WATER QUALITY DISCHARGE FLEXIBLE HOS 1 ! 1
O
OVr� OPENING DISCHARGE OPENING V J
Q O
O/III �7
TCif OUTLET PIP z
O POTENTIAL
FOR
AN
PROPER
DESIGNTO
MINIMIZE DISCHARGE AROUND L
x LEXIBLE HOSE
PIPE MUST OCCUR. O `�
Q
OUTSIDE DIAMETER \ X X
ATER ENTRY UNIT ATER ENTRY UNIT < Z
SCHEDULE 40 PVC PIPE �, / < ^
(BARREL OR ARM) 1 V IL---1\
4'-0" MAX. SPACING 1
5' STEEL POST END VIEW MAINTAIN DEPRESSION TO
END VIEW SIDE VIEW MAINTAINDEPRESSIONTO DISCHARGE PIPE SIDE VIEW
VARIES (TYPICAL) MINIMIZE CHANCE OF SKIMMER
ROUS MATERIAL
(15" MIN) COMBINED JUTE MESH ( ) MINIMIZE C BECOMING STUCK SCHEDULE 40 NO SCALE
( FLOW NO SCALE 1 ) BECOMING STUCK i
DRAWN ev T. R EVAHs 1a10 n
AND NAG C 125 ^ o DRAWN DY T. R. EVANS IUIO LL-
24" 4 J. W FNRCLOTH I SON INC
COCONUT LINER OR ® W AIRCARCL OTHISONINC. FAIRCLOTH SKIMMER DISCHARGE SYSTEM WITH EMBANKMENT
EQUNALENn. 8" X 6" TRENCH M WANJ TELEPHONE,
HSK MMER COM W TELEPHONE (919) 7n-124CdOM I
BACKFILL AND FAIRCLOTH SKIMMER DISCHARGE SYSTEM WITH OUTLET STRUCTURE TEL FAk(91: (919-12662M FA (919)T321266 Z
TEN (919) CLOT 66
PIPE SHALL BE PLACED EMAIL WARREN0FA RCLOTHS MMERCOM
COMPACT FENCE AND EMAIL: WARRENOFAIRCLOTHSNIMMER.COM
ON SUITABLE MATERIAL FABRIC BURIED IN
TRENCH
(-2 Faircloth Skimmer Detail 0
5 Trench Detail for Storm Drain -� II��
6.0
Ref: Faircloth skim mer.com
6.o Ref: MCLDS Standard #20.25 Baffle Installation Detail
_��
6.0 Ref: MCLDS Standard #30.19
NOTES:
END OF FLARED SECTION
0
1. CLASS OR MEDIAN SIZE OF RIPRAP AND LENGTH, WIDTH AND DEPTH OF APRON
oy s oN om a TO BE DESIGNED BY THE ENGINEER.
C:S.
Y
bo13w T��-�r"I- 48"R ,a=.¢r'v any$ az 2. REFER TO THE CHARLOTTE MECKLENBURG STORM WATER DESIGN MANUAL FOR
C RIPRAP APRON DESIGN STANDARDS.
�i �DlD'm .E'i w¢yLL ^2ySp Owoa=z
3. RIPRAP SHOULD EXTEND UP BOTH SIDES OF THE APRON AND AROUND THE END
�x s
a " m X X i=am OF THE PIPE OR CULVERT AT THE DISCHARGE OUTLET AT A MAXIMUM SLOPE OF
y g L u�,, , =��K nos ' GENERA 40TE5: cn +i .2-+ 2:1 AND A HEIGHT NOT LESS THAN TWO THIRDS THE PIPE DIAMETER OR Project Number: 17.16.138
_>n cc[n¢ CULVERT HEIGHT.
yo �,- ."" USE STANDARD OR UUY[K) BRICK F3R WAL. CONSTRUCTION. SOLID •4
z MOLILIL.] ��' w0 CONCRETE BRICK OR D:.00K ARE OPTIONA_ NAL_ CON9IRUCIION MAIERIAL BILL OF MATERIAL a^"
x Y "*1104
w� 4. THERE SHALL BE NO OVERFLOW FROM THE END OF THE APRON TO THE ���,,
L' PLAN PRECAST UNITS MAOF OF CLASS "AA" CONCRFTF MAY RF USFD IN LIEU a •� �r , N , c SURFACE OF THE RECEIVING CHANNEL. THE AREA TO BE PAVED OR RIPRAPPED Date: 14- � 02/04/2019
."loNA: MAYHO_L �I OF BRICK MASONRY CONTRUCTION. SUBMIT OFSTGN QE PRFCAST UNITS B +4 .6 6's• eR..• 1 1 SHALL BE UNDERCUT SO THAT THE INVERT OF THE APRON SHALL BE AT THE
^tt u'ENIW4 NaiEfi 8'�8- (WITHOUT TOPI FOR APPROVAL PPIDR TO CONSTRUCTION. t 2E .a +'-a' 2a , "f ' 1%FOWI AN /j -- SAME GRADE (FLUSH) WITH THE SURFACE OF THE RECEIVING CHANNEL. THE
SrEF., thFOBAATifri !' )' BTE 9TANDA4I1 B+a.54 14 ES 1C1.S
I 1 EaR YAN,-0th 1:'J'JEN A ,FN2 1NCLUOE ALL PRICETBID F i0 MALLS, B:.A85 UR REINFORCING W1IERIAL B B Drawn BY: CMM
'i a.a• HUOK� ?'�' RADIUS J X tN THE UNIT PRICE BID FOR EACH UNIT. luLL TOTAL 11L21N1 21., z 2 2 APRON SHALL HAVE A CUTOFF OR TOE WALL AT THE DOWNSTREAM END.
"o T.i5U IAY eL O6L0 Ic O 1 co Yw. cLA6B 'A. caAc s.a K 5. THE WIDTH OF THE END OF THE APRON SHALL BE EQUAL TO THE BOTTOM
x m PLAN OF TOP SLAB FINIS" GBAOL DJUST FRIIF A :arse Ip w T1 INSTALL OPTIONAL MANHOLE IN POSITION AS DIRECTED BY THr ENGINEER. q q S .•:
to gusFAtF FIEv4t;OY w[ ,' ¢ O o CUT OR BrNG At., RFRAR CROSSING; THIS DPFNTNO TO ALLOW 2' MINT eU. •:%. W1[CIGi TT. NT. 9' a.aO w
uYrr 9AR8 TANCRETT *OP STAB c Z Z = T m CONCRETE COVERAGE. ENCLOSE THE OPENING WITH 8 "A" BARS TIED i0 tU. YOa. tlRICK rt. NT. f aj a.we. 2 m �
m n .rr B' t CT fi" LIAR DIMENSIONS ARE .1 10 out 'B' Bags a O = C T TO THE REBAR MAT AND SET 50 A MINIMUM or D' CONCRETE COVER IS o z WIDTH OF THE RECEIVING CHANNEL. MAXIMUM TAPER TO RECEIVING CHANNEL 5:1
O I Y o Ey C5 m M ATTAINED. REFERENCE 9TD. N0. 840.54 FOR MANHOLE IN."DRMATION. ------ w o Checked By. NRP
¢ (n �c I- 0 6. ALL SUBGRADE FOR STRUCTURE TO BE COMPACTED TO 95% OR GREATER. -i M Gn p 3 V f tox PROVIDE UUNCTION BOXES WITH MAHNO.ES OVER 3•-6" IN DEPTH KITH ¢
T a --I y.;• Z STEPS PLACro ON 12" CENTERS. RErERFMC,E STD. NO. 840.66. 3
9 m _� O _ ¢ z
" = I I 7. THE PLACING OF FILL, EITHER LOOSE OR COMPACTED IN THE RECEIVING
N o S D•• -_._L ' B ¢ 2 aw. _ > MAXIMUM DEPTHCOFBTHISAUN11 ASIM F112' 2CENIENB. CD m END OF APRON •� CHANNEL SHALL NOT BE ALLOWED.
Revlslons:
p L ' '� 6" S ~ 6. (mj) O CONSTRUCT THE JUNCTION PDX IN ACCORDANCE WITH < z ii 8. NO BENDS OR CURVES IN THE HORIZONTAL ALIGNMENT OF THE APRON 2/ 14/ 17 ORIGINAL SUBMITTAL
N = I i yLSTEPa &C Q L SECTIONS 830, $32, 834 AND 840 OF THE STANDARD SPECIFICATIONS. ED N a WILL BE PERMITTED.
= D :� AFNEAAL WEB W = A occ
m N y n y PLAN 02/04/ 19 PER NCDEQ
o H c+ n £ = m s 9. FILTER FABRIC SHALL BE INSTALLED ON COMPACTED SUBGRADE PRIOR TO
. 12" YIYtS iH3M z
c Z s xt IN6LI "A- ,OY It_uS1HAl:or -J M ? v ►+ Ci „N., V w PLACEMENT OF RIP RAP.
= a eoAEl .o., nw.'oses CNI r ` O J ~
ITT INSET „A„ xE WTE L. - w LL z = O
r n CU � 10. ANY DISTURBED AREA FROM END OF APRON TO RECIEVING CHANNEL
k PLAN OF BOTTOM sk" CONCRETE BLOCK u. s a o - 0 R SLOPE -APRONS MUST BE FLAT
MUST BE STABILIZED.
NOTE 1: CONSTRUCT SECTION "B" OF THE PROPOSFD WALL 8" THICKK F
NOTE 2: IF PROPOSED STRUCTURENEXCEEDS 17'-0" VERTICAL HEIGHT A -1 USE USDA NOMOGRAPH FROM NC SEDIMENT AND EROSION CONTROL MANUAL OR
DESIGN WILL BE REOUIREDINFORC NGR APPRCVAL. 1' MIN. CHARLOTTE MECKLENBURG STORM WATER DESIGN MANUAL FOR DESIGN DATA.
NOTE 3: USE S11K.Lf MAI REINFORCING STEEL; `r" Mrns 11L4^ ^HILL + 1' MIN.map ULLI + Or " EXCEPT DOUBLE MAT STEEL MAY BE USED IN LIEU :ANFAFtF eaTTrr I:Aa SHFFT 11- s"FE- : :lF a 1'-6"
B40.34 Or ROOK BARS IN BASE SLAB. SECTION x-X
(WITH ioe) 640.34 B40.34
840.34 FILTER FABRIC LAP
(IF NEEDED)
ELEVATION ALL RIPRAP SHALL BE CLASS B OR ENGINEER APPROVED.
Sheet Title:
APRON D(FT) La(FT) W1(FT) W2(FT) T(FT) D50(IN) DMAX(IN) H (IN)
NATURAL GRADE FES-1 2.00 12 6.00 14.00 1.13 6.0 9.0 16.0
FES-L 2.00 12 6.00 14.00 1.13 6.0 9.0 16.0 EROSION
'• «',::1. , V RIP RAP -
;'[•.7n - d=diameter .0 pipe CONTROL
H d50 (see fig 8.06 aft "NC SEDIMENT AND EROSION CONTROL MANUAL"
* dmax = 1.5 x d50
8 TRAFFIC BEARING JUNCTION BOX T (THICKNESS)
6.0 SCALE: N.T.S. [REF: NCDOT #840.34] T = 1.5 X dmax.
I DETAILS
NOTE: -LAYER OF FILTER FABRIC
MIMMUM H=2/3 PIPE DIAMETER
SECTION B-B
Sheet No:
Riprap Apron Detail
6.0 Ref: MCLDS Standard #20.23
■

LEGEND
SUBJECT PROPERTY BOUNDARY
ADJACENT PARCELS / RIGHT—OF—WAY
SETBACK
702 EXISTING TO -PO
— — —ss — — — —SS — — — —SS EXISTING SANITARY SEWER EASEMENT
_ — — _VV — — —W— — — —VV— — — —w— EXISTING WATERLINE
EXISTING CREEK CENTERLINE
—. — 20 FT CREEK BUFFER
702 PROPOSED GRADE
y�
WALLACE ROAD
MAINTENANCE R/W)
P rn
/ P ` P
/ / 502 �—
�� � � fg4QY
SUBBASIN 1 / - - _ 50d
., .FES2 /
REA = 2 91 ACRES •c.��; pz
HYDRIC
SOIL
GROUP =
C--:�'
— CN=85
TOC = 5 MIN
1 ST SEGMENT TO
LENGTH =100 FT
ELEV.CHANGE = 1 FT
SLOPE = 0.9%
GRAPHIC SCALE
60 0 30 60 120
r
Firm License # P-1191
7140 Weddington Road
Suite 140
Concord, NC 28027
Civil Site Design
Low Impact Development
Small —Scale Building Design
Telephone: [phone]
Facsimile: 704.248.7951
Seals:
0-I
•9� SEAL
032006
N����'�
OZA,S R
.y•af. •zoI
Q
Q
d
n-
z
Q
w
T
r
L
QU+
z
O
0
U_...1
rz\
4--�
LLJ
1
H
z
T-
--�
L_
Project Number: 17.16.138
Date: 12/14/2017
Drawn By. CMM
Checked By. NRP
Rev15ion5:
I / �=ij i 71
Vi\ivi'r � viJlVlii ir,�
Sheet Title:
POST -
DEVELOPED
DRAINAGE
MAP
Sheet No:
C-7 , 1
COPYRIGHT© 2017 AMICUS PARTNERS, PLLC.
ALL RIGHTS RESERVED. REPRODUCTION OR USE OF THE CONTENTS
OF THIS DOCUMENT, OR ADDITIONS OR DELETIONS TO THIS REFERENCE: ALL PARCEL AND BOUNDARY INFORMATION FOR THIS PROPERTY AND
DOCUMENT, IN WHOLE OR IN PART, WITHOUT WRITTEN CONSENT ADJACENT PROPERTIES, PROPERTY DIMENSIONS, AND COORIDINATES REFERENCED FROM
OF AMICUS PARTNERS, IS STRICTLY PROHIBITED. ONLY CABARRUS COUNTY GIS.
COPIES FROM THE ORIGINAL OF THIS DOCUMENT, AS APPROVED BY
THE ENGINEER SHALL BE CONSIDERED TO BE VALID, TRUE COPIES.