20190121 Ver 1_Site Plans_20190124

SHEET L ST N G:
COVER
C-1.00
C-2.00
C-3.00
C-7.00
C-4.00
C-5.00
C-5.10
C-5.20
C-5.30
C-6.00
C-7.00
C-7.10
COVER SHEET
S TE PLAN
EROS ON CONTROL PLAN
ROAD PROFILE
GRADING PLAN
STORMSEWER PLAN
PRE -DEV. DRAINAGE MAP
POST -DEV. DRAINAGE MAP
SCM(POND) PLAN
SEPTIC PIAN
DETAILS -EROSION CONTROL
DETAILS-MISC.
LAYHILL ESTATES
WAKE COUNTY
LOT -BY -LOT SUBDIVISION -PLG-001113-2018 (PRELIM.)
CONSTRUCTION DOCUMENTS
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SITE NOTES:
1. OWNER: NAHLA, INC
2. DB 016214 PG 02003
3. PIN: 0782242036, 0782149065
4. ZONING:
WAKE: R -40W (15.14 AC)
RALEIGH: R-1 (0.34 AC)
5. USE: SINGLE FAMILY, VACANT, WOODED
4. TRACT SIZE: 674,325 SF, 15.47 AC
5. MINIMUM ALLOWED LOT WIDTH: 110 FT (PROPOSED 130 FT).
6. MINIMUM ALLOWED LOT SIZE: 40,000 SF (PROPOSED 40,000 SF)
7. AVERAGE LOT SIZE:108,000 SF PROPOSED
8. TOTAL NUMBER OF LOTS PROPOSED: 6
9. LINEAR FEET OF ROAD EXTENSION: 424LF
10. STREET WILL HAVE A 45' ROW.
11. CUL-DE-SAC TO HAVE 50' ROW.
12. LIMITS OF DISTURBANCE: 1.91 ACRES
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EX ST NG COND T ONS 8c DEMO PLAN 2.
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4.
5.
0 60 120 6
Feet 7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
TRYON RD
SITE
LAYHILL
DR
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CROSSING CIR
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VICINITY MAP
NTS
BUILDING SETBACK DATA:
1. FRONT: 30 FEET
2. SIDE: 15 FEET
3. REAR: 30 FEET
4. BUILDING SETBACK FROM WATER SUPPLY
WATERSHED: 20 FEET
BUFFER DATA:
1. WATER SUPPLY WATERSHED: 100 FEET
2. TREE AND VEGETATION PROTECTION ONE:
25 FEET AS SHOWN
ALL STREETS WILL BE PUBLIC AND CONSTRUCTED TO NCDOT STANDARDS.
WATER SYSTEM WILL CONSIST OF INDIVIDUAL PRIVATE WELLS.
SEWER SYSTEM WILL CONSIST OF INDIVIDUAL SEPTIC SYSTEMS.
ALL WAKE COUNTY EROSION CONTROL MEASURES WILL BE COMPLIED WITH DURING CONSTRUCTION.
ALL FEDERAL FLOOD HAZARD REGULATIONS WILL BE COMPLIED WITH DURING CONSTRUCTION.
ALL STATE AND LOCAL GOVERNMENT APPROVALS SHALL BE SUBMITTED TO THE SUBDIVISION OFFICE BEFORE FINAL PLAT APPROVAL.
TOPOGRAPHY TAKEN FROM WAKE COUNTY TOPO MAPS AND SHOULD NOT BE EXCLUSIVELY USED FOR DESIGN.
CONTOUR INTERVAL IS 1 FEET.
BOUNDARY INFORMATION PROVIDED BY CDK GEOMATICS, PC, LAND SURVEYORS.
PROPOSED REAR PROPERTY LINE OF LOTS 5 & 6 TO BE CENTERLINE OF YATES BRANCH.
NO FLOOD STUDIES SHALL BE REQUIRED FOR ROAD CONSTRUCTION.
LOT 7 & 8 WILL HAVE ACCESS TO LAYHILL DRIVE VIA A SHARED DRIVEWAY TO BE DESIGNED AT TIME OF CONSTRUCTION PLAN
SUBMITTAL. DRIVEWAY SHOULD BE LOCATED ALONG SHARED PROPERTY LINE IN 30' ACCESS EASEMENT.
LOTS 7 & 8 HAVE SPLIT JURISTICTION. PERMITS MAY BE REQUIRED BY EITHER OR BOTH WAKE COUNTY AND CITY OF RALEIGH.
THERE SHALL BE NO FILLING OR THE ERECTION OF PERMANENT STRUCTURE IN THE AREAS OF WAKE COUNTY FLOOD HAZARD SOILS OR
FEDERAL EMERGENCY MANAGEMENT AGENCY (FEMA) 100 YEAR FLOOD ZONES UNTIL A FLOOD STUDY IS APPROVED BY WAKE COUNTY
AND/OR FEMA. (SEC. 1-1-26(A)(6))
BEFORE ACQUIRING BUILDING PERMITS FOR LOTS MARKED WITH AN *(ASTERISK) THE BUILDER MAY NEED TO OBTAIN A FLOOD HAZARD
AREA USE PERMIT FROM THE WAKE COUNTY ENVIRONMENTAL SERVICES. THE BUILDER'S ENGINEER, ARCHITECT AND/OR SURVEYOR (AS
APPROPRIATE) MUST CERTIFY THAT ALL FLOOD REQUIREMENTS ARE MET. (1-1-26(A)(6))
PROTECTED TREES WILL BE LOCATED AT TIME OF CONSTRUCTION PLANS AND AVOIDED OR REPLACED AS PER WAKE COUNTY UDO.
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25' REE AND VEGETATION o , 5880 03'0 1 "E 1OGG.57'-
� ' � �
�j�� PROTECTION ZONE Ln
PROPOSED-
I DRAINAGE F� �'r:---- ----
I EASEMENT 1 ------------------------------
I - � ♦ _, � , -> -> � �, "�"•„ � \ PROPOSED 20'
--------------
DRAINAGE EASEMENT
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I �-PROPOSED SPOIL AREA �
(SEDIMENT DISPOSAL) A-
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BUFFER
y
11� j 1 (ZONE I)
PROP.
I 1 (DRY DETENTION) F r ♦ ��<2 NOTE:ALL LOTS WILL BE SERVED
BMP CREEK
BUFFERS \ T BY INDIVIDUAL WELLS
0
/i FLOOD `' \ N�<0
PROP. �; 1 - PRONE
DITCH I 1 \ SOILS (P
II I,
11 1 1 ♦ � %- ♦ � I
I I 1 1 "SINGLE-FAMILY : 4 4
SINGLE-FAMILY: 3 I I G8047.G7 5Q FT
I 1 47700.79 SQ FT I I.5G ACRES t; 00 YR FP YATE5 I
J 11 1. 1 0 ACRES 1 MAX. IMP. 0.23 ACRES r BOUNDARY BRANCH
MAX. IMP. 0.23 ACRES I 1 (1 0 100 SF) ♦ , �1 TOB
I 1 (9900 5F)
I
1
15' 15' I `� �' ` YATES
25.0' I 1 � � � �., �`L� ,,, 11 ,` BRANCH
I N \
/ /♦ �, ♦ \ LOT(FOR FUTURE USE) : 7
00 YN FP 34238 I . G 5Q FT
♦ BOUNDARY \ 7.8G ACRES
1 1 1 / s / �� �,, ♦ MAX. IMP. 0.48 ACRES
1 / ♦ ` (2 1 000 5F)
PROP. I / I
I I 1 PROPERTj 1 / / �r
1 LINE
'SINGLE-FAMILY ,5
p I I 1 I / / 54000.GG SQ
1.24 ACRES
1 / I MAX. IMP. 0.23 ACRES
(9900 5F) % A/
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(ZONP�2) FLOOD ,
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TO BE REMOVED 501 LS
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SCM MAINTENANCE
\ i ACCESS` 15 0 O � I 1
j \ 30' ACCESS EASEMENT / I , \ ♦ \ �.
SINGLE-FAMILY . G
DB 1365 PAGE 250 C3 �2 / 57023.04 SQ FT �, A I!
I DB 14902 PAGE 2723 C2 4 / 1 .31 ACRES \
BM 1979 PAGE 631 MAX. IMP. 0.22 ACRES
� TO BE ABANDONED �� �
i � ♦ (9400 5F) `\
51NGLE-FAMILY : 2
40000.00 5Q IT / / ` �� \� `
/ % 1 0.92 ACRES`
i
i MAX. IMP. 0.22 ACRES
(9500 SF) / �` /!<� ♦ 1 A
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SINGLE-FAMILY: I ` 1 I 1
40000.00 SQ FT PROPOSED 25'
0.92 ACRES DRAINAGE EASEMENT A '
MAX. IMP. 0.21 ACRES
(9100 SF) \
A \
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25' TREE AND VEGETATION
- ------ - - - - --- / PROTECTION ZONE
- -����� - --------------Is EASEMENT
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L13 ►-N88° 3039"W 28G.G3' LII R
IPF
SITE DATA TABLE
LOT
IMPERVIOUS
AREA (SF)
IMPERVIOUS
AREA (AC)
TOTAL
AREA (SF)
TOTAL
AREA (AC)
1
9100
0.21
40000
0.92
2
9500
0.22
40000
0.92
3
9900
0.23
47701
1.10
4
10100
0.23
68048
1.56
5
9900
0.23
54001
1.24
6
9400
0.22
57023
1.31
7
21000
0.48
342382
7.86
ROAD
11418
0.26
L6
PF WL8 `
IPF IPF
IPF SUBDIVISION
SIGN
I I
/ � I
BUILDING SETBACK DATA:
I . FRONT: 30 FEET
2. SIDE: 15 FEET
3. REAR: 30 FEET
4. BUILDING SETBACK FROM WATER SUPPLY
WATERSHED: 20 FEET
BUFFER DATA:
1. WATER SUPPLY WATERSHED: 100 FEET
2. TREE AND VEGETATION PROTECTION ONE: 25
FEET AS SHOWN
"There shall be no filling or the erection of permanent
structures in the areas of Wake County Flood Hazard Soils
or Federal Emergency Management Agency (FEMA) 100
Year Flood Zones until a flood study is approved by Wake
County and/or FEMA." "Before acquiring a building permit
for lots marked by an * (asterisk) the builder may need to
obtain a Flood Hazard Area Use Permit from the Wake
County Environmental Services. The builder's engineer,
architect and/or surveyor (as appropriate) must certify on
any permit that all flood hazard requirements are met."
�♦
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0 40 80
Feet
Parcel Table
Line #/Curve #
Length
Direction/Delta
Radius
C2
31.640
036.2563
50.000
C3
21.940
050.7035
24.792
C4
23198
011.6507
114.084
C5
71.592
082.0388
50.000
C6
30.000
034.3775
50.000
C7
71.472
081.9006
50.000
C9
22.311
050.7035
25.212
C10
40.870
046.8338
50.000
CII
44.568
0131610
194.026
L5
186.634
N17° 44' 31.37 E
L6
315.217
S57° 23' 56.80'E
L8
214.727
N88° 44'28.06"W
L9
32.461
N88* 43' 38.96 "W
L 10
32.567
N88° 44'28.06"W
L11
145.676
N88° 36' 39.31 "W
L 12
186.634
S17° 44' 31.37"W
L 13
140.957
N88° 36' 39.31 "W
L14
256.694
NO3° 02' 57.97'E
L 15
152.310
S80* 13' 09.01"E
L 16
349.780
NO3° 02' 57.97'E
L17
130.024
S88° 03' 01.40'E
L 18
318.775
S03° 02' 57.97"W
L19
41.200
S50° 44' 23.67'E
L20
337158
S36 ° 03' 3211 "W
SURVEY NOTES
Parcel Table
Line #/Curve #
Length
Direction/Delta
Radius04
L21
263660
S88° 03' 01.40'E
L22
52.730
S14° 03' 42.60'E
L23
6.573
S21' 14' 58.61 "E -
L24
L24
131.832
N57° 23' 57.44 "W
L25
26.625
S21' 14' 58.61 'E
L26
58.818
S25° 03' 06.69"E-
6.69EL27
L27
33276
S11' 55' 28.72"E-
8.72EL28
L28
30.322
S29' 30' 20.25 "E -
L29
L29
40.753
S22° 28' 22.52 E
L30
11.896
S45° 07' 36.34'E
L 31
253 007
S32' 36' 02.56 "W
L32
16.475
S45° 07' 36.34'E
L33
30.531
S50° 16' 02.90 E
L 34
61.994
S58' 48' 30.19 E
L35
33.454
S26° 31' 47.55'E
L36
42.652
S11 ° 37' 31.40 E
L37
31.920
S36° 42' 05.62'E
L 38
32.311
S30 ° 47' 17.35 E
L39
28.594
S01',37' 34.77'E
L40
43 751
S08* 49 58.80"E-
8.80EL41
L41
27.866
S22' 35' 02.13 "E -
L42
L42
125.997
S64' 03' 0309"W
L 43
185.705
N57° 23' 5744"W
I . THE TOPOGRAPHIC INFORMATION CONTAINED HEREIN IS BASED ON SURVEY
PERFORMED BY TIMMONS GROUP ON MARCH 30, 2015 UNDER THE DIRECT
SUPERVISION OF DAVID A. PERFATER, PLS L-495 1.
2. RIGHTS-OF-WAY, EASEMENTS AND RESTRICTIONS OF RECORD.
3. ALL DISTANCES SHOWN ON SURVEY ARE HORIZONTAL GROUND DISTANCES UNLESS
OTHERWISE NOTED.
4. THIS SURVEY DOES NOT REPRESENT A TITLE SEARCH BY THIS FIRM.
5. BASIS OF BEARING SHOWN HEREON IS NC GRID NAD 83 (NSRS 2007).
G. VERTICAL DATUM SHOWN HEREON IS NAVD88.
7. OTHER SOURCES OF INFORMATION INCLUDE CITY OF RALEIGH GIS AND AERIAL
IMAGERY.
8. NOT LOCATED IN FLOOD HAZARD AREA PER FEMA MAP #37201 73000J (05-02-2006)
9. EXISTING IMPERVIOUS AREA = XX ACRES
DEMOLITION NOTES
I . ALL UTILITIES OR STRUCTURES NOT INDICATED FOR REMOVAL OR MODIFICATION ARE
TO REMAIN AND BE PROTECTED FROM DAMAGE.
2. ALL WASTE MATERIAL GENERATED FROM CLEARING AND DEMOLITION ACTIVITIES SHALL
BE DISPOSED OF OFF-SITE IN ACCORDANCE WITH ALL APPLICABLE RULES AND
REGULATIONS.
3. REMOVE TOPSOIL AND STOCKPILE APPROPRIATELY ON-SITE. ON-SITE TEMPORARY
STOCKPILES SHALL BE LOCATED WITHIN CONSTRUCTION LIMITS.
4. ALL PAVEMENT OR CONCRETE TO BE REMOVED SHALL BE SAW CUT TO PROVIDE A
STRAIGHT AND UNIFORM JOINT WITH NEW CONSTRUCTION. ANY EXISTING PAVEMENT,
SIDEWALK, CURB * GUTTER, ETC. THAT MUST BE REMOVED TO ALLOW NEW
CONSTRUCTION SHALL BE REMOVED TO ALLOW NEW CONSTRUCTION SHALL BE
REMOVED AND REPAIRED PER THE SPECIFICATIONS AND DETAILS OR TO MATCH
EXISTING CONDITIONS (WETHER OR NOT SHOWN ON THE DRAWINGS TO BE REMOVED).
UTILITY INSTALLATIONS MAY UTILIZE OPEN CUT OF PAVEMENTS UNLESS INDICATED
OTHERWISE. TRENCH IN EXISTING ASPHALT SHALL BE PATCHED PER PAVEMENT REPAIR
DETAIL.
5. PROTECT ALL ADJACENT PROPERTIES, THE GENERAL PUBLIC AND ALL OF THE OWNERS
FACILITIES. SHOULD DAMAGE OCCUR, NOTIFY ARCHITECT IMMEDIATELY.
G. THE CONTRACTOR SHALL USE NC ONE CALL (8 1 1) TO LOCATE ALL UNDERGROUND
UTILITIES.
7. CONTRACTOR IS RESPONSIBLE FOR REMOVING OR ABANDONING ALL EXISTING
UTILITIES AND STRUCTURES REQUIRED TO COMPLETE SITE CONSTRUCTION, EITHER
ONSITE OR IN PUBLIC ROW, IN ACCORDANCE WITH LOCAL, STATE AND FEDERAL
REGULATIONS.
8. ANY EXISTING UNIDENTIFIED SEPTIC SYSTEMS AND WELLS FOUND ON SITE SHALL BE
REMOVED OR ABANDONED IN ACCORDANCE WITH LOCAL, STATE AND FEDERAL
REGULATIONS AT NO CHARGE TO THE OWNER
9. VERIFY ALL ILLUSTRATED KNOWN UNDERGROUND ELEMENTS. EXERCISE REASONABLE
EFFORTS TO PROTECT ANY UNKNOWN UNDERGROUND ELEMENTS. NOTIFY THE
ARCHITECT IMMEDIATELY IF UNKNOWN ELEMENTS ARE DISCOVERED THAT WOULD
NECESSITATE MODIFICATION TO THE PROPOSED DESIGN.
10. CONTRACTOR SHALL COORDINATE ALL CONNECTIONS, RELOCATION AND DEMOLITION
WORK WITH THE APPROPRIATE COMPANY OR JURISDICTION HAVING AUTHORITY AND
SHALL OBTAIN ANY PERMITS AS REQUIRED.
1 1. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH APPLICABLE LOCAL, STATE
AND OSHA REGULATIONS.
12. EXISTING MANHOLES, VALVE BOXES, VAULTS, CLEANOUTS, UTILITY POLES ETC. TO
REMAIN WITHIN THE GRADING LIMITS SHALL BE ADJUSTED AS NEEDED TO FUNCTION
PROPERLY WITH THE PROPOSED FINISHED GRADES (WETHER OR NOT INDICATED TO BE
MODIFIED).
13. GENERAL CONTRACTOR TO COORDINATE ALL PEDESTRIAN ACCESS PATHS, LOCATIONS,
LIGHTING ETC. WITH THE OWNER.
SEAL. -
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\DITCH WATTLE(TYP)\ \ \ \\\ I \ \ \ 1 I \
/ V \
/E ISTING BUILDIN
TO BE REMOVED
AFTER CONST
LIMITS OF DISTURBANCE \ \ \ \ \ \ \ \ ♦ \ \ \ \ \ \ I I
C�/�_ o WELL// 1 A I \ \ \\ V AV A V vv V A A\♦\ V \ \\�\ \V I \\ V 1 A� \ " l
C WD v A \ \ v V A ♦ \ \� V
cWo \ \ n I \ \ \ \\ \ \ \ \ \♦ \ \�\ \ \ \ \ \ \ I \ \ \ \
CLEAN WATER DIVERSION CWD \ \ I I I I \ \ \ \\ \\ v � ) V A v VAS
M -42-8-- oslol� / I 1 \ I I 1 \ 1 1�I I ►I/I// / \ \ I _ / ,/
s-75 E AT
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SILT FENCE CvU� I ryl I i I I 1 I I i I I I I I I 11 I
-4-3&
CLASSYP RIPRAP CHANNEL
ISI
ST -3 I I � 1� I 1 I I I 1 I 1 \ \ ��� �, \ \ \ / V/I
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//� 4' WEIR
MI
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tl
SI FENC /OUTLET
// / // // // / EX. ROAD \\EX. R/W\\\\\\ \\\ \\\ U \
BASIN REMOVAL SEQUENCE
1. SCHEDULE A SITE MEETING WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT
TO DETERMINE IF A BASIN CAN BE REMOVED. INSTALL SILT FENCING OR OTHER
TEMPORARY EROSION CONTROL MEASURES AS NEEDED PRIOR TO REMOVAL OF
THE BASIN.
2.REMOVE BASINS) AND ASSOCIATED TEMPORARY DIVERSION DITCHES. IF CULVERT
PIPES NEED TO BE EXTENDED, PERFORM THIS OPERATION NOW. FINE GRADE
AREA IN PREPARATION FOR SEEDING.
3.PERFORM SEEDBED PREPARATION, SEED, MULCH AND ASPHALT TACK ANY
RESULTING BARE AREAS IMMEDIATELY.
4.INSTALL VELOCITY DISSIPATORS AND/OR LEVEL SPREADERS AS REQUIRED ON
THE EROSION CONTROL PLAN.
5.WHEN SITE IS FULLY STABILIZED, CALL ENVIRONMENTAL ENGINEER/CONSULTANT
FOR APPROVAL OF REMOVING REMAINING TEMPORARY EROSION CONTROL
MEASURES AND ADVICE ON WHEN SITE CAN BE ISSUED A CERTIFICATE OF
COMPLETION.
NOTE: A MEETING SHOULD ALSO BE SCHEDULED WITH THE ENVIRONMENTAL
ENGINEER/CONSULTANT TO DETERMINE WHEN A BASIN MAY BE CONVERTED FOR
STORMWATER USE. SOME MUNICIPALITIES MAY ALSO REQUIRE THIS.
LIMITS OF DISTURBANCE = 1.96 AC
0 40
SCALE IN FEET
SCALE: 1 " = 40'
LEGEND
BOUNDARY FOR POSSIBLE BUILDING OUTSIDE
FLOODPLAIN AND REQUIRED SETBACKS
I- - - - - - - - - PROPOSED ACCESS EASEMENT
100' WATERSUPPLY/WATERSHED BUFFER
MUM CONSTRUCTION ENTRANCE
> > > RIP -RAP LINED CHANNEL
SILF FENCE
® SILT FENCE OUTLET
- DIVERSION DITCH
CWD->--- CWD->--- CWD->- CLEAN WATER DIVERSION
100 YR - FL. PL.
Layhill Drive Roadside ditch Sizing
1-1 4.88 in/hr
1-10 7.22 in/hr
Side of road
Surface Area
Diversion
SW
NE
C
2250 SF
0.5
0.65
0.65
Side Slope
1160 SF
2:1
3:1
3:1
-�7
1160 SF
earth
stone
stone
Area
� ry
0.8
0.32
0.30
Flow - 10 -yr
cfs
2.89
1.51
1.40
Slope
ft/ft
0.067
0.067
0.071
Depth of Flow
ft
0.4
0.25
0.25
Velocity
ft/s
4.7
3.7
3.7
(Mar 1 - Jun 30)
or Add Weeping Love grass
10 lbs/acre
(Mar 1 - Jun 30)
Or Add Hulled Common Bermudagrass
25 lbs/acre
Jun 1 - Sept 1
8' WEIR
l-
\ / \
(LASS PRA15
LIMITSOF\CSTUR6ANCE�-3 /
BOUNDARY 1
\♦X >
7 J 1
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00 YR Nr
\ \
BOUNDARY` 1 1 \
\jDI7ERSSIO?q-DITCH ��\\ � \ � \ \\ \ \ \\\ \ \ \ \Vv J v l \ L \
LIMITS 01r QST R A\NCE\ \ \ \� \ \ \ \ 1� \ \ \ \\ v 7\ -7 \\ \
\DITCH WATTLE(TYP)\ \ \ \\\ I \ \ \ 1 I \
/ V \
/E ISTING BUILDIN
TO BE REMOVED
AFTER CONST
LIMITS OF DISTURBANCE \ \ \ \ \ \ \ \ ♦ \ \ \ \ \ \ I I
C�/�_ o WELL// 1 A I \ \ \\ V AV A V vv V A A\♦\ V \ \\�\ \V I \\ V 1 A� \ " l
C WD v A \ \ v V A ♦ \ \� V
cWo \ \ n I \ \ \ \\ \ \ \ \ \♦ \ \�\ \ \ \ \ \ \ I \ \ \ \
CLEAN WATER DIVERSION CWD \ \ I I I I \ \ \ \\ \\ v � ) V A v VAS
M -42-8-- oslol� / I 1 \ I I 1 \ 1 1�I I ►I/I// / \ \ I _ / ,/
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CLASSYP RIPRAP CHANNEL
ISI
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SEIMEN /BASIL% /'/-♦ ' DI -2,,\I \ \ \ �\
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tl
SI FENC /OUTLET
// / // // // / EX. ROAD \\EX. R/W\\\\\\ \\\ \\\ U \
BASIN REMOVAL SEQUENCE
1. SCHEDULE A SITE MEETING WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT
TO DETERMINE IF A BASIN CAN BE REMOVED. INSTALL SILT FENCING OR OTHER
TEMPORARY EROSION CONTROL MEASURES AS NEEDED PRIOR TO REMOVAL OF
THE BASIN.
2.REMOVE BASINS) AND ASSOCIATED TEMPORARY DIVERSION DITCHES. IF CULVERT
PIPES NEED TO BE EXTENDED, PERFORM THIS OPERATION NOW. FINE GRADE
AREA IN PREPARATION FOR SEEDING.
3.PERFORM SEEDBED PREPARATION, SEED, MULCH AND ASPHALT TACK ANY
RESULTING BARE AREAS IMMEDIATELY.
4.INSTALL VELOCITY DISSIPATORS AND/OR LEVEL SPREADERS AS REQUIRED ON
THE EROSION CONTROL PLAN.
5.WHEN SITE IS FULLY STABILIZED, CALL ENVIRONMENTAL ENGINEER/CONSULTANT
FOR APPROVAL OF REMOVING REMAINING TEMPORARY EROSION CONTROL
MEASURES AND ADVICE ON WHEN SITE CAN BE ISSUED A CERTIFICATE OF
COMPLETION.
NOTE: A MEETING SHOULD ALSO BE SCHEDULED WITH THE ENVIRONMENTAL
ENGINEER/CONSULTANT TO DETERMINE WHEN A BASIN MAY BE CONVERTED FOR
STORMWATER USE. SOME MUNICIPALITIES MAY ALSO REQUIRE THIS.
LIMITS OF DISTURBANCE = 1.96 AC
0 40
SCALE IN FEET
SCALE: 1 " = 40'
LEGEND
BOUNDARY FOR POSSIBLE BUILDING OUTSIDE
FLOODPLAIN AND REQUIRED SETBACKS
I- - - - - - - - - PROPOSED ACCESS EASEMENT
100' WATERSUPPLY/WATERSHED BUFFER
MUM CONSTRUCTION ENTRANCE
> > > RIP -RAP LINED CHANNEL
SILF FENCE
® SILT FENCE OUTLET
- DIVERSION DITCH
CWD->--- CWD->--- CWD->- CLEAN WATER DIVERSION
100 YR - FL. PL.
Layhill Drive Roadside ditch Sizing
1-1 4.88 in/hr
1-10 7.22 in/hr
Side of road
Surface Area
Diversion
SW
NE
C
2250 SF
0.5
0.65
0.65
Side Slope
1160 SF
2:1
3:1
3:1
Lining
1160 SF
earth
stone
stone
Area
ac
0.8
0.32
0.30
Flow - 10 -yr
cfs
2.89
1.51
1.40
Slope
ft/ft
0.067
0.067
0.071
Depth of Flow
ft
0.4
0.25
0.25
Velocity
ft/s
4.7
3.7
3.7
SEDIMENT TRAP SIZING
Name
Drainage
area
Volume
Surface Area
L x W x D @ TOB
ST -1
2.64 ac
4068 cu. ft.
2250 SF
77'x 32'x 3'
ST -2
0.40 ac
2008 cu. ft.
1160 SF
60'x 22'x 3'
ST -3
0.35 ac
2008 Cu. ft.
1160 SF
60'x 22'x 3'
SEEDING SCHEDULE
Shoulders, Side Ditches, Slopes (Max 3:1)
DATE
TYPE
PLANTING RATE
Aug 15 - Nov 1
Tall Fescue
Nov 1 - Mar 1
Tall Fescue & Abruzzi Rye
Marl - Apr 15
Tall Fescue
300 lbs/acre
Apr 15 - Jun 30
Hulled Common Bermudagrass
300 lbs/acre
Jul 1 -Aug 15
Tall Fescue and
300 lbs/acre
***Browntop Millet or
25 lbs/acre
*** Sorghum -Sudan Hybrids
125 lbs/acre
35 lbs/acre
30 lbs/acre
Slopes (3:1 to 2:1)
Mar 1 - Jun 1
Sericea Lespedeza (scarified)
50 lbs/acre
(Marl - Apr 15)
Add Tall Fescue
120 lbs/acre
(Mar 1 - Jun 30)
or Add Weeping Love grass
10 lbs/acre
(Mar 1 - Jun 30)
Or Add Hulled Common Bermudagrass
25 lbs/acre
Jun 1 - Sept 1
Tall Fescue and
120 lbs/acre
*** Browntop Mullet or
35 lbs/acre
*** Sorghum -Sudan Hybrids
30 lbs/acre
Sept 1 - Mar 1
Sericea Lespedeza (unhulled - unscarified)
70 lbs/acre
And Tall Fescue
120 lbs/acre
(Nov 1 - Mar 1)
And Abruzzi Rye
25 lbs/acre
Consult EFS Environmental Engineer for additional information concerning other alternatives
for vegetation of
denuded areas. The above vegetation rates are those which do well under local conditions; other seeding rate
combinations are possible.
*** TEMPORARY: Reseed according
to optimum season for desired permanent vegetation. Do not allow
temporary cover to grow over
12" in height before mowing, otherwise fescue may be shaded out.
SEEDBED PREPARATION
1. Chisel compacted areas and spread topsoil 3 inches deep over adverse soil conditions, if available.
2. Rip the entire area to 6 inches depth.
3. Remove all loose rock, roots, and other obstructions leaving surface reasonably smooth and uniform.
4. Apply agricultural lime, fertilizer, and superphosphate uniformly and mix with soil (see below *).
5. Continue tillage until a well -pulverized, firm, reasonably uniform seedbed is prepared 4 to 6 inches deep.
6. Seed on a freshly prepared seedbed and cover seed lightly with seeding equipment or cultipack after seeding.
7. Mulch immediately after seeding and anchor mulch.
8. Inspect all seeded areas and make necessary repairs or reseedings within the planting season, if possible. If
stand should be over 60% damaged, reestablish following original lime, fertilizer and seeding rates.
9. Consult EFS Environmental Engineer on maintenance treatment and fertilization after permanent cover is established.
* Apply: Agricultural Limestone: 2 tons/acre (3tons/acre in clay soils)
Fertilizer: 1,000 lbs/acre - 10-10-10 % analysis
Superphosphate: 500 lbs/acre - 20
Mulch: 2 tons/acre - small grain straw
Anchor: Asphalt Emulsion @ 300 gals/acre
0 40 80
Feet
REQUIRED WAKE COUNTY CONSTRUCTION SEQUENCE
1. SCHEDULE A PRECONSTRUCTION CONFERENCE WITH THE WATERSHED MANAGER, _____________-
OBTAIN A LAND -DISTURBING PERMIT.
2. INSTALL GRAVEL CONSTRUCTION PAD, TEMPORARY DIVERSIONS, SILT FENCE, SEDIMENT BASINS OR
OTHER MEASURES AS SHOWN ON THE APPROVED PLAN. CLEAR ONLY AS NECESSARY TO INSTALL THESE
DEVICES. SEED TEMPORARY DIVERSIONS, BERMS AND BASINS IMMEDIATELY AFTER CONSTRUCTION.
3. CALL __________ __ FOR AN ONSITE INSPECTION BY THE WATERSHED MANAGER TO
OBTAIN A CERTIFICATE OF COMPLIANCE.
4. BEGIN CLEARING AND GRUBBING. MAINTAIN DEVICES AS NEEDED. ROUGH GRADE SITE.
5. STOCKPILE TOPSOIL AND CUT IN SEPARATE PILES AS SHOWN ON APPROVED CONSTRUCTION PLANS.
6. BEGIN CONSTRUCTION, BUILDING, ETC.
7. STABILIZE SITE AS AREAS ARE BROUGHT UP TO FINISH GRADE WITH VEGETATION, PAVING, DITCH
LININGS, ETC. SEED AND MULCH DENUDED AREAS PER GROUND STABILIZATION TIME FRAMES.
8. WHEN CONSTRUCTION IS COMPLETE AND ALL AREAS ARE STABILIZED COMPLETELY, CALL ___ FOR
AN INSPECTION BY THE WATERSHED MANAGER.
9. IF SITE IS APPROVED, REMOVE TEMPORARY DIVERSIONS, SILT FENCE, ETC., AND SEED OUT OR
STABILIZE ANY RESULTING BARE AREAS. ALL REMAINING PERMANENT EROSION CONTROL DEVICES, SUCH
AS VELOCITY DISSIPATERS, SHOULD NOW BE INSTALLED.
10. MAINTAIN SEDIMENT PONDS FOR CONSTRUCTION OF SINGLE FAMILY LOTS.
11. WHEN VEGETATION HAS BECOME ESTABLISHED, CALL FOR A FINAL SITE INSPECTION BY THE
WATERSHED MANAGER, OBTAIN A CERTIFICATE OF COMPLETION.
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Curve Table: AlignmentsLUN
00
Curve #
Radius
Length
Chord Direction
15
230.00
282.61
NO' 41' 33.99"F
C16
150.00
59.93
N45- 57' 12.04"W
Line Table: Alignments
Line #
Length
Direction
Start Point
End Point
;5
110.89
N34° 30' 26.96"W
(2082313.77,723696.53)
(2082250.95,723787.91)
L56
408.42
N57° 23' 57.12"W
(2082208.16,723829.30)
(2081864.09,724049.35)
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Curve Table: AlignmentsLUN
00
Curve #
Radius
Length
Chord Direction
15
230.00
282.61
NO' 41' 33.99"F
C16
150.00
59.93
N45- 57' 12.04"W
Line Table: Alignments
Line #
Length
Direction
Start Point
End Point
;5
110.89
N34° 30' 26.96"W
(2082313.77,723696.53)
(2082250.95,723787.91)
L56
408.42
N57° 23' 57.12"W
(2082208.16,723829.30)
(2081864.09,724049.35)
NITNBIUM DESIGN C'R=RL-k
1. ResidenTia] Local Subdi,;L L'onKoa& include:
a_ Cul -De -Sacs
b. Dead Fad Roads. - Less titan 2500 feet in leneth
C. Shoat connecting Roads - One block long or that extend 4n a block by block basmi
60 120 d. Loop Roads - Less 03an 1 mile in length
Feet e_ Other roads that do not connect thoroughfares or serve major traffic. These roaLs do not
have "collector'' characteristics.
T'R.Ul *i CL4SSMCAnON
Tw am ClassificationDsdiaitiaa
I.etvl - Natural slope ra Lp of 0% to 1%
R=Q -NataraL;k hof G.1 m 15%
Momm Ainow - Num -A slope tnw l5%
Kiathi or Wr. WidtIL
Curb and cfattsa SsK ilea
Shcnlder Soctioa
pa wMantwidh
Curb aad G=w 3or..ion
Shvnldar Sactioa
F -F rsfan in fscc to faca of standard curb and ¢athu
vciiKu , Othsa•';pas will ba ralisra sd b; the District
Enpmwr wish The F -F }imits appLita4ls
Minimum ShoulderWidh
ShemIder Socdoa
ShauUw sidtl between 4' w fi' shall be apps ad
the DLstrict Ezra ca3rdar�a adiatomt ]rid
cLmcicoistirs
Marcor— Cut and FiLI Slcpgs
Design Speed
Mi -i 5iahiDW=co
anvartical C=0L
Minimaw, Cewwline KA'Us
Miaimne Rad -_s 91
Mat®m Grade
Grades ffw LOD' wrath say from Lvi arso-rfm sataadme 5 percent
may be rinisaa-sd by Disvirt gm.i"a.r for c-0asada ion.
Grades Lass than 0.1 percent she Jd not ba used ml.ea : vniea sed
i kdiridualty by the nstnil En masa tc dw-srmimo potaaaal
maintananra preb Lauri.
E = Karl of i *cera] Cms.•atU_-0
:ct �kiiaim� S41r Distance.
CREST
SAG
STOP
Fecmoia. fic_ dw-wminad= of leggh ofrmtical came tsquisad
io Prmida.,• ,mom Sita distance.
[L=KA]
L = Lung& of tvaeral r --r. a is feat
E =Ram of'Lw&al tot^: ar_re in -'W. ?w perraw. of A
A = A pbaak difference in -zrz jo: in currant
Mmimmm Csl-De-Sac Radios Ri lht ofW my
Curb and Gubw Sort=
5hou]derSection
Mini=- Cel -Da -Sat Radios
Cwb and ]murex 5ortioa
Shaailder Section + (Seo Pap 26)
h{0=AL%T0
40'
45'
a,€' F -F
B'
4' io €'
1 1.'-!:L
70 ttaph
] 14'
90'
02 ft'ft
I F-;
l0
]0
5
45'
54'
37' m F'
35'
PIM OF WAY
1
RESIDENTIAL LOCAL ROAD
SHOIJUM 1AM WMEEN 4'AND ND 6 r SI -M U BE APMVED BY THE
DIMICIr ENGINEER C IS DENNG AD1i4CENT LAND CNIJUCMR)STICS
PAVEMENT SCHEDULE
CODE
SURFACE COURSE:
INTERMEDIATE COURSE:
BASE COURSE:
1" DEPTH(1.5" DEPTH IN
CUL—DE—SAC)
ASPHALT CONCRETE SURFACE
COURSE, TYPE SF9.5A, AT AN
AVERAGE RATE OF 110 LBS.
PER SQ. YARD (CUL—DE—SAC
165 LBS./SY).
1.5" DEPTH ASPHALT CONCRETE
INTERMEDIATE COURSE, TYPE
119.06, AT AN AVERAGE RATE
OF 114 LBS. PER SQ. YARD.
8" ABC, AT AN AVERAGE RATE
OF 150 LBS. PER CF.
0.50'
1
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OUTFALL DITCH TO ���
STREAM s8� 03' 0 I °E I OGG.57- \ \01 00
PROPOSED 20' DRAINAGE _
BOTEASEMENT
AVG. 5LP.=0.85%
---I\EXTENDED DRY DETENTION- -,\� 1/'- / / //- `"�' `��--ll�� \ 1 \-1 / \ -✓ \ �
(SEE POND PLAN SHT.) _ / ' / / --- -fes \ . BRANCH I I l /
/ \ /
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GRADING AND STORM DRAINAGE NOTESC14 00
1. CONTRACTOR SHALL CALL "NORTH CAROLINA ONE CALL" (1-800-632-4949) AT
LEAST 48 HOURS PRIOR TO DIGGING TO HAVE EXISTING UTILITIES LOCATED.
REPORT ANY DISCREPANCIES TO THE ENGINEER.
2. CONTRACTOR TO COORDINATE ACTIVITIES WITH UTILITY COMPANIES
INVOLVED IN ANY RELATED RELOCATION (I.E. POWER POLES, TELEPHONE
PEDESTALS, WATER METERS, ETC.).
3. EXISTING UTILITIES SHOWN ARE BASED ON FIELD SURVEYS AND THE BEST
AVAILABLE RECORD DRAWINGS. THE CONTRACTOR SHALL VERIFY
CONDITIONS PRIOR TO BEGINNING CONSTRUCTION. ANY DISCREPANCIES
BETWEEN ACTUAL FIELD CONDITIONS AND THE PLANS SHALL BE REPORTED
TO THE ENGINEER IMMEDIATELY.
4. ALL PROPOSED INLETS, CATCH BASINS, AND DROP INLETS SHALL BE
PROTECTED BY EROSION CONTROL MEASURES AS SHOWN AND SPECIFIED
ON A WAKE COUNTY SOIL AND SEDIMENT CONTROL DEPARTMENT
APPROVED EROSION CONTROL PLAN.
5. A P.E. OR AN R.L.S. SEAL IS REQUIRED ON ALL AS -BUILT IMPERVIOUS
SURFACES.
6. THE CURB INLETS AND YARD INLETS SHALL BE CONSTRUCTED IN THE
LOCATIONS SHOWN UNLESS OTHERWISE DIRECTED BY THE ENGINEER. THE
CONTRACTOR IS RESPONSIBLE FOR REPORTING ANY DISCREPANCIES IN
THE CATCH BASIN ELEVATIONS OR THE PROPOSED PIPE SLOPES TO THE
ENGINEER. THE CONTRACTOR IS ALSO RESPONSIBLE TO REPORT ANY
CONFLICTS BETWEEN ANY UTILITY, STORM DRAIN LINE, WATER LINE, SEWER
LINE OR ANY OTHER PROPOSED OR EXISTING STRUCTURE TO THE
ENGINEER.
7. PRIMARY MEANS OF EROSION CONTROL FOR THIS SITE SHALL BE THE
UTILIZATION OF THE BM. SEDIMENT AND EROSION CONTROL PLANS WILL BE
SUBMITTED TO WAKE COUNTY FOR APPROVAL AND TO OBTAIN A GRADING
PERMIT PRIOR TO BEGINNING CONSTRUCTION.
8. A LAND DISTURBING PERMIT WILL BE REQUIRED PRIOR TO THE
COMMENCEMENT OF ANY LAND -DISTURBING ACTIVITIES.
9. ALL EXISTING VAULTS, MANHOLES, STORM DRAIN STRUCTURES, VALVE
BOXES, CLEANOUTS, ETC. SHALL BE ADJUSTED AS NEEDED TO MATCH
FINISHED GRADE.
10. ALL BACKFILL, COMPACTION, SOILS TESTING, ETC. SHALL BE PERFORMED BY
THE OWNER'S INDEPENDENT TESTING LABORATORY.
11. ALL SPOT ELEVATIONS INDICATED ARE AT BACK OF CURB UNLESS NOTED
OTHERWISE. ALL ELEVATIONS ARE BASED ON NC GRID NORTH (NAD 83).
12. A PRE -CONSTRUCTION MEETING MUST BE SCHEDULED PRIOR TO ANY
WORK, GRADING OR INSTALLATION OF EROSION CONTROL MEASURES.
13. ALL HANDICAP PARKING SPACES AND STRIPED ACCESSIBILITY AISLES ARE
TO HAVE NO MORE THAN A 1:50 (2.0%) SLOPE IN ALL DIRECTIONS. ALL
SIDEWALKS ARE TO HAVE NO MORE THAN A 1:20 (5.0%) SLOPE FOR THE
LENGTH OF THE SIDEWALK AND NO MORE THAN A 1:50 (2.0%) SLOPE FOR
THE WIDTH OF THE SIDEWALK.
14. IF CONTRACTOR NOTICES ANY DISCREPANCIES IN ANY OF THESE SLOPE
REQUIREMENTS, IT IS THE CONTRACTOR'S RESPONSIBILITY TO CONTACT
THE OWNER PRIOR TO POURING ANY CONCRETE SO THAT A SOLUTION CAN
BE FOUND.
15. SPOT ELEVATIONS ARE GIVEN AT THE MAJORITY OF THE MAJOR BREAK
POINTS BUT IT SHOULD NOT BE ASSUMED THAT ALL NECESSARY SPOT
ELEVATIONS ARE SHOWN. DUE TO SPACE LIMITATIONS, THERE MAY BE
OTHER CRITICAL SPOTS NOT LABELED THAT SHOULD BE TAKING INTO
CONSIDERATION. THE CONTRACTOR SHALL REVIEW THE GRADING PLAN IN
DETAIL AND SHALL ENSURE THAT ALL CRITICAL GRADE POINTS ARE STAKED
AND FOLLOWED TO PROVIDE POSITIVE DRAINAGE.
16. ALL STORM DRAIN PIPES SHALL BE PROTECTED WITH STONE FILTER
PROTECTION AFTER STOPPAGE OF WORK EACH DAY (SEE DETAIL SHEET).
17. EXISTING VEGETATION WITHIN TREE PROTECTIVE AREAS SHALL REMAIN
UNDISTURBED UNLESS NOTED OTHERWISE. ANY AND ALL LANDSCAPING
AND EXISTING TREES & SHRUBS TO REMAIN WHICH ARE DAMAGED DURING
DEMOLITION OR CONSTRUCTION SHALL BE REPLACED BY THE CONTRACTOR
USING A LICENSED LANDSCAPE CONTRACTOR AT NO ADDITIONAL COST TO
THE OWNER.
18. THE GRADING CONTRACTOR SHALL COMPLY WITH ALL STATE CODES IN
OBSERVING EROSION CONTROL MEASURES BOTH ON AND OFF-SITE. THE
GRADING CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL DEVICES
AFTER EACH RAINFALL EVENT OR AS DIRECTED BY THE EROSION CONTROL
INSPECTOR OR THE ARCHITECT.
19. THE GRADING CONTRACTOR SHALL BE RESPONSIBLE FOR OFF-SITE
DISPOSAL OF ALL CLEARING AND GRADING WASTE MATERIALS GENERATED
DURING CONSTRUCTION AND FOR OBTAINING ALL APPLICABLE PERMITS FOR
OFF-SITE STOCKPILES AND/OR WASTE AREAS.
20. ALL CATCH BASINS MUST BE MARKED "DUMP NO WASTE DRAINS TO
STREAM" OR EQUIVALENT.
BUILDING SETBACK DATA:
I . FRONT: 30 FEET
2. 51DE: 15 FEET
3. REAR: 30 FEET
4. BUILDING SETBACK FROM WATER SUPPLY
WATERSHED: 20 FEET
BUFFER DATA:
1. WATER SUPPLY WATERSHED: 100 FEET
2. TREE AND VEGETATION PROTECTION ONE: 25
FEET A5 SHOWN
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BMP DATA:
1. SEE 5TORMWATER PACKAGE FOR CALCULATIONS
2. DI5CHARGE POINT: NW CORNER OF LOT @ STREAM
3. BOTTOM OF BMP: 389.00'
4. OUTLET
4. 1 . 1 .0" ORIFICE @ 389.00'
4.2. 48" WEIR @ 393.70'
TOP OF R15ER @ 393.70'
PEAK ELEVATION
4.1. Q2: 393.92'
4.2. Q 10: 394. 18'
5TORMWATER CONTROL AND MANAGEMENT CALCULATIONS:
1. SEE 5TORMWATER PACKAGE FOR CALCULATION5
2. DISCHARGE POINT: NW CORNER OF LOT @ STREAM
3. PRE -DEVELOPMENT 51TE RUNOFF:
3. 1. Q-2 EX15TING: 8.93 CFS
3.2. Q-10 EXISTING: 18.79 CFS
4. POST -DEVELOPMENT RUNOFF:
4. 1. Q-2 PROPOSED W/ BMP: 5.14 CFS
4.2. Q-10 PROPOSED W/ BMP: 18.01 CFS
Post Development Nitrogen and Phosphorus Load
Total Nitrogen (Ib/ac/yr)=
5.06
Total Phosphorus (Ib/ac/yr)=
N/A
Post -BMP Nitrogen Loading
Outflow Total Nitrogen (Ib/ac/yr)=
4.67
Outflow Total Phosphorus (Ib/ac/yr)=
0.8
BUYDOWN OBLIGATION:
NEU5E - 03020201 OUT5IDE FALLS LAKE
WATERSHED
4.71 N LBS/AC/YR - 3.G N LBS/AC/YR = 1. 1 1 N
L55/AC/YR
I . I I N LB5/AC/YR * 7.G2 AC * 30 YR5 = 253.75
N LBS * $21.34 / N LB
NUTRIENT OFFSET FEE: $54 15.02
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25' TREE AND VEGETATION
PROTECTION ZONE
N /F
PARKINSON, FRANCES
WITH HEIRS
DB 001531 PG 00—E—
PIN: 078146017
ZONING: R -40W
USE: SINGLE FAMILY
PROP. WELL
W/ 50' R
(TYP.)
CONST. TRAILER
CONNECT TO EXIST. SEWR,
WATER & E -EC.
N /F
KIRKPATRICK & ASSOCIATES,
LLC
DB 015296 PG --00929
PIN: 078155093,
ZONING: R -40W
USE: V�AC�ANT —
kEF: S-22-07 I
- --- --- ----
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CREEK
I ` BUFFER
R50.00' \ — / ` \ R50.00'
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// BOUNDAKA
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(REMOVE AFTER CONST.) \
� � �0 �UIL�%� SETBACK
414,
30' ACCESS EASEMENT oWELL-,,,
DB 1365 PAGE 250 / /
DB 14902 PAGE 2723 /
BM 1979 PAGE 631 70' 59�
TO BE ABANDONED / TQ I TI D VEEL i
R50.00 5
/ / I
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PROTECTION ZONE
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N /F
HUGGINS, MARYS
DB 009457 PG 00626
RAY, LINDA RAY
PIN: 0782137764
HERMAN
ZONING: R -40W
DB 010929 PG 00254
USE: SINGLE FAMILY
PIN: 0782139688
ZONING: R -40W
USE: VACANT
N /F
YATES, BESSIE BURT\
YATES, WILLIAMS C
DB 004319 PG 00556
PIN: 0782138642
ZONING: R -40W
USE: SINGLE FAMILY
N /F
ALSHAHROUR, OSAMA
DB 015890 PG 02560
PIN: 0782230699
ZONING: R -40W
USE: VACANT
1.06 ACRE
EXISTING R/W
PROPOSED R/W
NOTE:ALL LOTS WILL BE SERVED
BY INDIVIDUAL WELLS
NOTE: THE LAND EAST OF YATES
BRANCH WILL BE DEVELOPED IN
PHASE 2(NOT PART OF THIS
SUBMITTAL) 7.86 AC. -LOT #7
MFq
�s <o N /F �' of
A-SH-AHROUR, OSAM ST,p�,gM
DB 015090 PG 02560
PIN: 07822355604
ZONING: F�'—\ 40W
USE: VACANT
25' TREE AND VEGETATION
PROTECTION ZONE
N /F
TRIANGLE LAND
CONSERVANCY
DB 015073 PG 02301
PIN: 0782326204
ZONING: R -40W
USE: VACANT
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C-7.0
18" FREEBOARD MIN.
CAP TOP OF 6' PVC PIPE TOP F BERMNOTES:
(USE 8' PIPE FOR DRAINAGES
50' MIN.
III—I�I—I
GREATER THAN 10 ACRES
-ISI—III—
=IIMIII-
TOP ELEVATION OF STORMWATER
5' MIN
BUT SUFFICIENT TO KEEP
1. PUT SILT FENCE OR TREE PROTECTION FENCE UP TO
IIII-III
SEDIMENT ON SITE
ENSURE CONSTRUCTION ENTRANCE IS USED.
III—III—
I=III=III-
:} TAS a
2. IF CONSTRUCTION ON THE SITES ARE SUCH THAT THE MUD
STANDARD METAL POSTS 2'-0" IN GROUND
'1=TIMIEMBED
1MIII 4' MAX PEPTH, 2 MIN DEPTH
'f,
A5'
IS NOT REMOVED BY THE VEHICLE TRAVELING OVER THE
=
I IIII _ N N N
TARP 12. 9f
6' PVC (NO
STONE, THEN THE TIRES OF THE VEHICLES MUST BE WASHED
-III=III=I_ w E z
SLOTS) DISSIPATER PAD
2"-3" STONE TO BE USED
25' OR WIDTH OF BEFORE ENTERING THE PUBLIC ROAD.
GALVANIZED HARDWARE WIRE
III -III -1 m DO
"'P
EXISTING (SURGE STONE OR RAILROAD
PROPOSED STREET,
EXTENDS TO TOP OF BOX
_ -m-
'll_, llI=III'—=III-III-III-III-III-III-III-III-III-III-III-III=ill=III=III-1
I=III III=III-III-III-III=III=III-III=III= I=III
ROADWAY BALLAST)
WHICHEVER IS 3. MAINTAIN GRAVEL PAD IN A CONDITION TO PREVENT MUD OR
I-III-III--III-III-III-III-III-III-III-III-III-III-III-1I-III-III-III
III- II=III=III=III=III=III=III=III=III=11 III=1 EMBED
GREATER. SEDIMENT FROM LEAVING CONSTRUCTION SITE. ENTRANCE
1=1 11=1 I f=iii=iii=i i 1=1 i 1=1 i 1=1 i 1=1 i 1=1 i 1=1 i 1=1 i 1=1 I I -III -I
I-III-III=III=III=I I I=I I I=I I I=III=III=III=III=III=I =I
1=1 11= 11=1 I TARP ,2-
=I =11 ''
WILL REQUIRE PERIODIC REMOVAL OF SEDIMENT -LADEN
I -1I I=III=III=1I I=1I I=1I I=111=III=III=1I I=1I I=1I =1I =1I
II III III III III III III III III III III III III III
#5 WASHED STONE RLTER
-111 TO TOP OF HOLES TOE OF BACK SLOPE
II
STONE AND REPLACEMENT WITH FRESH STONE.
SECTION THRU BASIN &FILTER
SEE NOTE 1
FOR HOLE SPECS
INLET SHALL BE PROTECTED
(AS NEEDED) FROM EROSION
mo u
NTH RIPRAP. TARP. MATTING
OR EQUIVALENT.
SEDIMENT
PIT
-
25%
oo �
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F(Ow
25%-50%
18" MIN TOP OF DAM
PLAN VIEWo
0 CO 0 In
TARP PROTECTION
POROUS BAFFLE (TYP.)
///
z DITCH AND BURY TARP
EDGE (MIN. 12")
0' MIN
WEIR LENGTH
0
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EXISTING ROADWAY
NEW CONSTRUCTION
35' MIN. 15' MIN.
0 O
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NOTE 112"
6" MIN.
MIN.
C41�b(9 (D•°0000 Q CDo-QC CG,0,
HOLE SPECS:
PERSPECTIVE VIEWM\\�\\�\\
DEWATERING HOLES WILL BE INSTALLED IN SETS OF HORIZONTAL RINGS. THEFIRST
NOTE:
SET WILL THE TH
\��\��\��\\ \\�%\\
GENERAL NOTES
INFROM
RISER. RIN SF WILLECONTIN EE PE THEINCHR SER IN IN F03 INCH SE
j�%\�%\�%
1. INSPECT INLET PROTECTION AND REMOVE SEDIMENT
1. DRAW DOWN RISER & BARREL SHALL BE 6" SCH. 40 PVC
HOLES WALL BE 3/4 INCH IN DIAMETER AND WILL BE RING WILL EQUAL TO THE SPACED EQUALLY
AROUND THE RISER. THE NUMBER F HOLES PER RI
FABRIC UNDER STONE
AFTER EACH RAIN EVENT. GRAVEL SHOULD BE REPLACED # 57 WASHED STONE PLACED TO A HEIGHT OF 12"-18" MINIMUM ABOVE TOP OF BOX
WITH CLEAN-OUT CAP AND 3/4" HOLES. SEE NOTE 1 FOR NUMBER
AND SPACING OF HOLES.
DRAINAGE AREA.
AND REPAIRS MADE AS NEEDED.
2. THE TARP USED TO PROTECT THE WEIR SHALL BE THE WIDTH
EXAMPLE
SPECIFIED. THE LENGTH OF THE TARP SHALL BE ACCORDING TO
AVAILABLE SUPPLY. IF MULTIPLE TARPS ARE TO BE USED, THEN
A BASIN DRAINING 2.0 ACRES SHOULD HAVE 2 HOLES PER RING EVERY 3
INCHES ON THE RISER PIPE. THE FIRST RING (2 HOLES) WILL BE SET 6
CROSS SECTION
TARPS SHALL BE OVERLAPPED AT LEAST 12". THE UPSTREAM 12"
INCHES FROM THE BOTTOM OF THE RISER.
TARP SHALL OVERLAP THE DOWNSTREAM TARP. THE TARP SHALL
BE 50 MIL. HEAVY DUTY SILVER TARPAULINS OR EQUIVALENT FOR
NOTE: ROUND DRAINAGE AREA TO THE NEAREST WHOLE NUMBER TO
U.V. RESISTANCE.
3. MAINTENANCE: SEDIMENT TO BE REMOVED AND PROPERLY
DETERMINE NUMBER OF HOLES.
AKRISER
DISPOSED OF WHEN BASIN IS HALF FULL. GRAVEL FILTER AROUND
SHOULD BE REPLACED AS NEEDED TO ENSURE DEWATERING.
AK
AK
COUNTY
COUNTY
COUNTY
NORTH CAROLIN
STANDARD CUSTOM BASIN
NORTH CAR°LIN STANDARD CONSTRUCTION ENTRANCE
"OATH OAR°LIN STANDARD GRAVEL YARD INLET PROTECTION
EFFECTIVE: 01/31/08
EFFECTIVE: 01/31/08
EFFECTIVE: 01/31/08
8'-0" MAXIMUM
NOTES:
NOTES:
■ 1.
BAFFLE MATERIAL SHOULD BE SECURED AT THE BOTTOM AND SIDES
USING STAPLES OR BY TRENCHING AS FOR SILT FENCE.
SILT FENCE FABRIC
1. TEMPORARY DIVERSION DITCH TO BE USED TO INTERCEPT FLOW AND/OR DIVERT TO A SEDIMENT CONTROL MEASURE OR BMP.
I 2.
MOST OF THE SEDIMENT WILL ACCUMULATE IN THE I ST BAY,
MINIMUM 10 GAUGE
INSTALLED TO SECOND
2. SILT SHALL BE REMOVED WHEN DITCH IS ONE-HALF FULL.
o
WHICH SHOULD BE READILY ACCESSIBLE FOR MAINTENANCE.
LINE WIRES
WIRE FROM TOP MINIMUM 12-1/2 GAUGE
3. DITCH SHALL BE RECONSTRUCTED WHEN DAMAGED BY EQUIPMENT OR COVERED BY FILL.
1stCell 2nd Cell 3.
PROVIDE 3 BAFFLES (USE TWO IF LESS THAN 20 FEET IN LENGTH). PROVIDE
INTERMEDIATE WIRES
4. STABILIZE DIVERSION DITCH BERM WITH TEMPORARY SEEDING, MULCH WITH TAC, AND/OR EROSION CONTROL NETTING.
25/ ofbasin�25% ofbasin
5 BAFFLES FOR DRAINAGE AREAS GREATER THAN 10 ACRES.
surface area surface area 4.
TLET ZOTN E
BAFFLE SHALL BE 700 G/M2 COIR EROSION BLANKET.
5.
TOPS OF BAFFLES SHOULD BE 2 INCHES LOWER THAN THE TOP OF THE BERMS
35
of 1 " of 6.
INSPECT BAFFLES FOR REPAIR ONCE A WEEK AND AFTER EACH RAINFALL
GRADE
basin surface area asin surface
;III ;III II III III III III III
III III III III III III III III III III III III III III III III III III=III III 111111 ;III;
III
1
2' MIN.
VAR.
Ili
Ti
I I= 2' - 10' WASTE MATERIAL -COMPACT,
111 Ili
IIII III
I I=_ F�< SEED & MULCH AFTER
IIII III
FRONT VIEW illl III
' -I I S�Op CONSTRUCTION OF DITCH
lil�l—l�lli
�I�IIII IIII
'
PLAN VIEW
CROSS SECTION
I
STEEL POST
I=
SUPPORT ROPE SUPPORT POST
TO WIRE TO 24" INTRO BOTTOM STAKE TO
PREVENT SAGGING OR SIDE SUPPORT WIRE0
NOTE:—
1. USE SILT FENCE ONLY WHEN DRAINAGE AREA
WOVEN WIRE FABRIC
— — — — —
= = 2 / VAR.
IIII—I I I I I I I I I I I Mq 1- 2 I I I I I I I I I I I I
SILT FENCE FABRIC
I I I I I—I I I I I I I I I= til I I I—I I I I I I—I I I I I I—II I I I I
DOES NOT EXCEED 1/4 ACRE AND NEVER IN
AREAS OF CONCENTRATED FLOW.111-
FENCE AND FABRIC
2. REMOVE SEDIMENT DEPOSITED AS NEEDED TOC)
3'-0"
FILL SLOPE
26"
-III-III-III-I
12"
BURIED IN TRENCH
PROVIDE STORAGE VOLUME FOR THE NEXT RAIN
_STEEL POST
AND TO REMOVE PRESSURE ON THE SILT
z
FENCE.
6"X6" TRENCH, I
COIR MESH OR SIMILAR, STAPLED OR
= = GRADE
--Hi
SECTIONAL VIEW
BACKFILLED AND 2'T
TRENCHED INTO BOTTOM OR SIDECROSS
iI r� 6" MINIMUM COVER
II
COMPACTED I
�i a1 111''
OVER SKIRT
SECTION VIEW AT OPENING
911 Ti ANCHOR SKIRT AS DIRECTED
BY ENGINEER
III- -
=111=1ISIDE
VIEW
AK
AKE
AK
COUNTY
COUNTY
COUNTY
N°RTH OAR°LIN
STANDARD BAFFLES DETAIL
NORTH OAR°LIN STANDARD TEMPORARY SILT FENCE
N°RTH OAR°LIN STANDARD TEMPORARY DIVERSION DITCH
EFFECTIVE: 01/31/081
EFFECTIVE: 01/31/08
EFFECTIVE: 01/31/08
W
4' MIN. SILT FENCE
TYPICAL RIP RAP CHANNEL
NOTES:
2/3 W
-
-III -II
1. UPON INSTALLATION, THE EXCAVATED MATERIAL SHALL BE IMMEDIATELY STABILIZED.
W
2. LINE CLEAN WATER DIVERSION WITH GEOTEXTILE UNROLLED IN THE DIRECTION OF FLOW AND LAY SMOOTHLY BUT LOOSELY ON SOIL
I—I I
_
I�
I II
SURFACE WITHOUT CREASES.
4" to 12"
II
I III
3. BURY TOP OF SLOPE GEOTEXTILE EDGE IN A TRENCH AT LEAST 5" DEEP AND TAMP SECURELY. MAKE VERTICAL OVERLAPS A MINIMUM
I II
TOP OF SILT FENCE
OF 18" WITH UPSTREAM GEOTEXTILE OVERLAPPING THE DOWNSTREAM GEOTEXTILE.
6'
_ I
I I=I I I�I'I I=III=III=III=III=III-
MUST BE AT LEAST 1'
4. SECURE GEOTEXTILE WITH ELEVEN GAUGE WIRE STAPLES SHAPED INTO A U SHAPE WITH A LENGTH OF NOT LESS THAN 6" AND A
_
- -I1�, III -III- FILTER FABRIC OR
L FILTER FABRIC OR
ABOVE THE TOP OF
THE WA HED STONE
THROAT NOT LESS THAN 1" IN WIDTH. PLACE STAPLES ALONG OUTER EDGES AND THROUGHOUT THE GEOTEXTILE A MAXIMUM OF 3 FT.
GRAVEL BEDDING
HORIZONTALLY AND VERTICALLY.
GRAVEL BEDDING
STABILIZE EXCAVATED MATERIAL
PARABOLIC—SHAPED WATERWAY WITH STONE CENTER
DRAIN TRAPEZOIDAL
(SHAPED BY BULLDOZER)
FRONT VIEW
BURY WIRE FENCE,
FILTER FABRIC,
OFFSITE CLEAN WATER
AND HARDWARE
CLOTH IN TRENCH
STEEL FENCE POST
—
STEEL FENCE POST
SET MAX 2' APART
I -III -III -III -III -III III -I 1 I -III -III -III -III -III -I
MIN. 18" INTO SOLI
ti
-III—III—III—III—III—I —I
W
WIRE FENCE
GROUND
I __-I
_ III—III—III—III—III—III—I I I
I I=
HARDWARE CLOTH
II III=III=
_— d —�_ �I. I I =I =IIII
I I
I I I,-, 11 I -I I I, -I, I I
„I�IIIII�I—III—
—I—IIII�I
, , , , ,
12"
18"I
4" to 12"
I �I i lI_0 I i lII ,III—
NOTES:
FILTER OF #57
WASHED STONE��
SOIL STABILAZATION GEOTEXTILE
6"
=III-'Mi��
I FILTER FABRIC OR
-TO BE USED WHERE EXCESSIVE STORMWATER
�>o °o
8�
-III GRAVEL BEDDING
VELOCITIES PROHIBIT VEGETATIVE LININGS.
4,°g�� 3' FILTER FABRIC
ON GROUND
CROSS SECTIONAL VIEW
-SIZE OF STONE MUST BE DETERMINED BY
APPROPRIATE DESIGN PROCEDURE.
°�o 0— o
_g%000�°°off°g
NOTES:
1. OA\CESSTDONENT WHEN OF OUTLET IS
V—SHAPED WATERWAY WITH STONE CENTER DRAIN
°°g�co°'o�g�b°�o�o��00
AS NEEDEDLF
2. REPLTO ENSUREEDEWATERINGCOVERED.
3�'cb`r''
(SHAPED BY MOTOR GRADER)
—DIMENSIONS FOR d & W VARIES ACCORDING
TO DESIGN.
-SOUTHWEST CHANNEL d = 1.5', W = 6'
BURY WIRE FENCE AND HARDWARE CLOTH BURY 6" OF UPPER EDGE OF
FILTER FABRIC IN TRENCH
-NORTHEAST CHANNEL d = 1.0', W = 4'
SECTION
VIEW
AK
AK
COUNTY
COUNTY
NOR OAR°LIN
STANDARD RIP—RAP LINED CHANNELS
NORTH CAROLIN
STANDARD SILT FENCE OUTLET
CLEAN WATER DIVERSION
EFFECTIVE: 01/31/08
EFFECTIVE: 01/31/08
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•' TRENCH GR ORATED
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VAR
PROPOSED
DRIVE
20'-C" MIN. DRIVE PIPE
VARIABLE FROM 12'-0° TO 15'-0"
IPROPOSED PIPE
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GENERAL NOTES:
ALL DIMENSIONS GIVEN ARE FOR MINIMUM CONDITIONS. PROPER
ENGINEERING JUOGEMENT MUST BE USED IN DETERMINING DRIVEWAY
LOCATIONS, WIDTHS, AND PIPE LENGTHS.
FACTORS SUCH AS VEHICLE TURNING RADIUS, TRAFFIC VOLUMES,
DRIVEWAY SIAM, OFFSET DISTANCE OF PIPE FROM EDGE OF PAVEMENT,
PIPE DEPTHS, AND DESIGN SPEED SHOULD BE CONSIDERED IN DETERMINING
DRIVEWAY WIDTHS.
NOTE:
1. THESE AREAS ARE TO BE USED TO BLEND THE INTERSECTING SLOPES TO THE PROPOSED DITCH.
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3'-0"
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IL IL
2'-6"
4'-0"
SNORT VERTICAL CURVES Ida' OR LESS NAY BE INSEATEO AT WAY BE INSERTED AT PO1NT9 C t4 E
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yY A B /r C D
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3:1
3
RLJNLIUT D 5rRA1421iT LIw6 TRAWITION — E
NOTE;
�
10"
SHORT VIRTIGAL GURVFS IN' OR LK5
2'-6"
4'-0"
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WEN 4IRftTE{F DURING TaNSTRL]LTIUI:.
�
1770
PVIWIB C 6 D MMEN DIRtrCTEP DURING CONSTRUG7JOK-
3-1/2"
1'-0"
OF PAVEMENT I& PR9FZL€ cR.wE7
1'-8"
m
FUll SIJPERELEVA.TItM -
= ju
2380
fi
O
.
� FULL 9l1PERELEVATIOM
LL
lu
6'-0"
8'-2"
0 =
5320
_
GINTE 1A E -E -
4-1/2"
1'-9"
5'-3"
2'-11"
�x
--{ DF PAVT I3 PAOFILE akkDE
Q gL W
5920
"LL SUPERELEVATION - -. 2 f 3 9LIPEHELEYATIGN - 213 31iPER€L7 trArtuN
[1 0 w
2'-0"
�_-_ - -FLE L SLPFRELEVATIaa -- -r- - _
o y
7'-0"
cp
M6
7470
OR 3.0. BGCtIOH 0-11
Z
asi<7
GENERAL NOTES: SECrIOII Q -D xM1
2'-10"
T7
- (
5UPERETEVATlCN = -
SUPERELEVATION - -._-TfORRAL C✓IUMiR
SPECIAL DARE MU&T BE USED TO KDRYAL GACM _ NOIMML CRCTII NOFAML CACM
9UM18 *ACK 11ITaHT
< !-'I
J
>
—'
PAEVENT DITCH -, - - _-
�
,�
BE INDUCED BY SUPERELEVATION.
*' SECTION C -C
3'-3"
M Z
TAAIGENT RUNOFF 6ISTANGE 'NILE VARY SICTIGN C -C
�
m +
WITH NITTAK GT OF pDISTANT LEVEL L1=Yf - L P'L GR(Y$9
- MOIL ��
6-1/2"
m
RU
WITHIN TANGr.kT RUF-0DISTANCE-DISTANCE_
J U.
o
8'-3"
3:1
12530
MMERELEVATIUN TO BE AS PROVIDED TSI T.R. OR s,T, f'
BQCTION $-g
"A PtlLICT ON GEOMETRIC UESItiN ON SECTION B
LL
3'-0"
-B
HTGHWAY$ AND STREETS",
1'-9"
9'-0"
NOMAL CROIII NORMAL CRO*M FIORMAL CRO]IN- - NO#IRWL �Ruw:L
3:1
13980
ZD
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SWIM A -A SECTION A -A
m
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FI -1 SPIRAL CURVE FIGURE 2 - Si Lll CURVE
2•LANE PAVEWWF PWF•TLE RRAPE ON OF PAVEMENT, -2-LANE PAVEMENT WaTHWT TRANSITION PROFILE OWE WI Q, PAVEMENT.
CROW euT11 MAYS FRDiI ROTA ABOUT fG. a.AFE BOTH MYS FROM is ROTATE ABUfF 9,
EET' 1 1
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1225.04
225.041
ALTERNATE Wal I
CONF
0
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USE STD. SW -10.08 OR SW -10.09
Lo
z
1/2" PLASTER 2'-0"
co
Lu
8" MINIMUM; OVER 8' DEEP, Do
12" MINIMUM UP TO 6' ❑
FROM TOP OF GRATE. ° o a ❑ a >
a °
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❑� °
❑
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a d ❑ a
3000 PSI CONCRETE ° a a ❑ � a . °
❑ a a ° a s ❑ a❑ a io
4'-4"
SECTION
4
�T
Fa
END VIEW
°pE
w
4'-4"
0
aT
T
NOTES:
1. FOR 24" RCP & LARGER USE
PIPE DIAMETER PLUS 12" FOR
MINIMUM INSIDE DIMENSION.
2.24" X 24" CASTING WITH 12",
15" & 18" PIPE, 24" X 36"
CASTING USED WITH 24" PIPE
OR LARGER. IF PLACED WITHIN
PUBLIC R/W CASTING MUST BE
TRAFFIC BEARING TYPE PER
NCDOT STANDARDS.
3. USE 4" X 4" X 8" OR 4" X 8" X 16"
SOLID CONCRETE BLOCK. CAST
IN PLACE OR PRECAST CONCRETE TO
MEET N.C.D.O.T. STANDARDS
ACCEPTABLE.
4. STEPS SHALL BE INSTALLED IN ALL
DROP INLETS OVER TIN DEPTH. DEPTH
SHALL BE MEASURED FROM THE TOP OF
GRATE TO THE INVERT OF THE DROP INLET.
GENERAL NOTES:
1. SEE FORMER NCDOT STANDARD 310.01 FOR DETAILS.
2. REINFORCEMENT SHALL CONFORM TO THE REQUIREMENTS
OF REINFORCED CONCRETE PIPE OF LIKE DIAMENTER PER
AASHTO M170, TABLE 2, WALL B.
3• ALL CONCRETE TO BE 4000 P.S.I COMPRESSIVE STRENGTH.
4. PROVIDE TONGUE OR SPIGOT JOINT AT INLET END SECTION.
5. PROVIDE GROOVE OR BELL JOINT AT OUTLET END SECTION.
6. THE DIMENSIONS FOR END SECTIONS SHALL SUBSTANTIALLY AGREE
WITH THE TABLE. MINOR VARIATIONS WILL BE PERMITTED BASED
ON THE MANUFACTURER'S STANDARD FORMS AND TEMPLATES.
7. NOT TO BE USED IN NCDOT MAINTAINED RIGHT OF WAY.
FLARED END SECTION
12" THRU 72" PIPE
NOT TO SCALE
8 1/4"
co
N
A N
co
2'-9"
1'41/2" 81/4"
A
2'1 1/4"
2'-O.,07
V1 1 3/4"
3/8"
1 1/2"
1 1/2"
21/2' 21/2"
F774 I I I I i
31/4.'
1/4" � 1' 1/2" 9 3l4"�
41/2' 1/2"
SECTION A -A
STANDARD 24" X 36"
DROP INLET CASTING
3 TIMES I.D.
O M
1
5/8"
SECTION B -B
FLAN V lh W
L
�L/2 �L/4
PIPE
1.D./2jU�,�
T - - - f orliv as rl�L(]l �Y'C�
d
SECTION 'A -A'
NOTES:
1. L = THE LENGTH OF THE RIPRAP APRON.
2. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER BUT NOT
LESS THAN 6" (INCHES).
3. A FILTER BLANKET OR FILTER FABRIC SHOULD BE
INSTALLED BETWEEN THE RIPRAP AND SOIL FOUNDATION.
-SOUTHWEST CHANNEL
D50 = 12"
L= 8'
-NORTHEAST CHANNEL
D50 = 6"
L= 6'
FILTER
FABRIC
PIPE OUTLET TO DISSIPATOR PAD TO NO WELL-DEFINED CHANNEL
TABLE OF DIMENSIONS
Lu
0
0
D
T
A
B
C
E
L
H:V
WE
12"
2-1/4"
4"
2'-0"
4'-1"
2'-0"
6'-1"
3:1
730
15"
2-1/4"
6"
2'-3"
3'-10"
2'-0"
6'-1"
3:1
730
18"
2-1/2"
9"
2'-3"
3'-10"
3'-0"
6'-1"
3:1
1190
24"
3"
10"
3'-8"
2'-6"
4'-0"
6'-2"
3:1
1770
30"
3-1/2"
1'-0"
4'-6"
1'-8"
5'-0"
6'-2"
3:1
2380
36"
4"
1'-3"
5'-3"
2'-11"
6'-0"
8'-2"
3:1
5320
42"
4-1/2"
1'-9"
5'-3"
2'-11"
6'-6"
8'-2"
3:1
5920
48"
5"
2'-0"
6'-0"
2'-2"
7'-0"
8'-2"
3:1
7470
54"
5-1/2"
2'-3"
5'-6"
2'-10"
7'-6"
8'-4"
3:1
8810
60"
6"
2'-6"
5'-0"
3'-3"
8'-0"
8'-3"
3:1
11180
66"
6-1/2"
3'-0"
6'-0"
2'-3"
8'-6"
8'-3"
3:1
12530
72"
7" 1
3'-0"
6'-6"
1'-9"
9'-0"
8'-3"
3:1
13980
ZD
O
GENERAL NOTES:
1. SEE FORMER NCDOT STANDARD 310.01 FOR DETAILS.
2. REINFORCEMENT SHALL CONFORM TO THE REQUIREMENTS
OF REINFORCED CONCRETE PIPE OF LIKE DIAMENTER PER
AASHTO M170, TABLE 2, WALL B.
3• ALL CONCRETE TO BE 4000 P.S.I COMPRESSIVE STRENGTH.
4. PROVIDE TONGUE OR SPIGOT JOINT AT INLET END SECTION.
5. PROVIDE GROOVE OR BELL JOINT AT OUTLET END SECTION.
6. THE DIMENSIONS FOR END SECTIONS SHALL SUBSTANTIALLY AGREE
WITH THE TABLE. MINOR VARIATIONS WILL BE PERMITTED BASED
ON THE MANUFACTURER'S STANDARD FORMS AND TEMPLATES.
7. NOT TO BE USED IN NCDOT MAINTAINED RIGHT OF WAY.
FLARED END SECTION
12" THRU 72" PIPE
NOT TO SCALE
8 1/4"
co
N
A N
co
2'-9"
1'41/2" 81/4"
A
2'1 1/4"
2'-O.,07
V1 1 3/4"
3/8"
1 1/2"
1 1/2"
21/2' 21/2"
F774 I I I I i
31/4.'
1/4" � 1' 1/2" 9 3l4"�
41/2' 1/2"
SECTION A -A
STANDARD 24" X 36"
DROP INLET CASTING
3 TIMES I.D.
O M
1
5/8"
SECTION B -B
FLAN V lh W
L
�L/2 �L/4
PIPE
1.D./2jU�,�
T - - - f orliv as rl�L(]l �Y'C�
d
SECTION 'A -A'
NOTES:
1. L = THE LENGTH OF THE RIPRAP APRON.
2. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER BUT NOT
LESS THAN 6" (INCHES).
3. A FILTER BLANKET OR FILTER FABRIC SHOULD BE
INSTALLED BETWEEN THE RIPRAP AND SOIL FOUNDATION.
-SOUTHWEST CHANNEL
D50 = 12"
L= 8'
-NORTHEAST CHANNEL
D50 = 6"
L= 6'
FILTER
FABRIC
PIPE OUTLET TO DISSIPATOR PAD TO NO WELL-DEFINED CHANNEL
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SHEET NO.
C-7.1