20170625 Ver 1_Revised 2017-05-24 Widening Plans_20170525

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RiPaRinN suFFeR � ��! — I I I � �A V � � '� I I� I i� r i ��� ��
/ � I � 1 STORMWATER RIPARIAN BUFFER -
216 LF 60" RCP CLASS III . EXISTING DRIVEWAY TO BE i 1 � /� EXISTING SSMH � f � � �
FORSTREAMCONVEYANCE � �. SAWCUTANDTIEDTO HILLSBOROUGH ■ I I � � ( BMP
m � � ADJUST RIM ELEVATION �t � F 1� ��
� PROPOSED EDGE OFASPHALT ■ I I � x AS NECESSARY �/ � Z i�
� � PLUMBING SEE ENTRANCE \ 1
MAWTAINING EXISTING RADAII I � � � � � � � � � � r
1,415 SF PERMANENT � INSET THIS SHEET I ` ` \ \' EXISTING SSMH � / ,(. / • �
WHITE RIGHT TURN ARROW / � � i �,
DRAINAGE EASEMENT EXISTING HDPE � � , FOR DETAILS I I I \ ` � } (NCDOT STD 1205 OB EXISTING 8" ,,� � � � 1� � � � ,,
ORIGIN UNKNOWN EXI I G ■ � \ - SANITARY LINE i '�
I EXISTING 6" I' x�� . LOCATION NCDOT STD 1205.06) /, � I �/ /
EXISTING CONC E E PVC WATER PROPOSED EDGE OF � ` � �� �X � � � � � � �� � X� � � � � � f /
POWERPOLE WING A L � '�'. LINE D PAVEMENT �' � I ��, I _ _. _ _.. _ ..\�� - _ __ _ --- —_ —_ -.-_ _ __ _..-_. 1 --.- __- _l.�_ �!/. � / � f I
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XISTING POWER POLE '�20' TEMPORARY CONSTRUCTION ' _ "-- _� - .. � EXISTING EDGE OF SCHOOL ZONE � EXTEND NEW
� � EASEMENT � �� - 0 � � � 'D PAVEMENT I � � �� � � MARKINGS PER NCDOT EX9STING CONCRETE pAVEMENT SECTIOI
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25.00' � � � � � � � �OUBLE 4" SOLID STD 4" MINI-SKIP LINE � - �
: .. . . .. ... .... � ,� �
MILL PAVEMENT PAST �� � �,- �� � � � � � PROPOSED EDGE OF YELLOW WITH 12" � � �
WIDENINGTIEINAND '�� `. �_ `" P YELLOWDIAGONALS. --�- ��SPACING) I T
4" SOLID WHITE TURN -- PAVEMENT � . "��� - --- - �
OVERLAY AS SHOWN � � � � � �"�\ o LANE LINE � NCDOT STD 3'-3 - - --- � f�� - _
(NCDOT STD 1205.09) .
—�F E H E� CYfE mf P� — —OX�c OH E ON E�" ON E OH ON E �/
DOUBLE 4" SOLID � � GUARDRAII PER NCDOT STD SCHOOL ZONE � � --
YELLOW WITH 12" EXISTIN DRIVEWAY y WHITE LEFT TURN ARROW � /
\ 862.02 MARKINGS PER NCDOT o N LOCATION NCDOT STD 1205.06) E EC R COVE HEAD EXISTING EDGE OF 4 SOLID WHITE EDGE / �� � pAST WIDENING TIE .' / // O
YELLOW DIAGONALS. � � NCDOT STD 1205.08 � � � - � - .
GRAU 350 TL-3 UNITS TO BE STD 7205.08 & 1205.10 LINE i
(NCDOT STD 1205.09) INSTALLED ON EACH END i �� MIL PAVEMENT
Q PAVEMENT IN AND OVERLAY �
STD 4" MINI-SKIP LINE c i EXISTING SSMH AS SHOWN
(NCDOT STD 3'-9' SPACING) p / .
T= 200' %� FULL LENGTH STORAGE= 150' D= 250'
2/3A = 220' D= 250' FULL LENGTH STORAGE = 400' A= 330' -
100' NCDOT RIIGHT-OF-WAY
PROP. EXIST. I
P EP VAR.WIDTH PROPOSED PAVEMEN
(WCLUDING �' PAVED SHOULDER
VAR.
3' MIN 4' MIN 0-6.5' Zq�±EXISTING PAVEMENT.
GRASS OVERLAY WITH 1.5"-S9.56.
HOULDE � w A
w
� X
rn MATCH EXISTING MATCH EXISTING
GRADE.
PROPOSED GUARD RAIL
(PER NCDOT SPECS)
PAVEMENT SCHEDULE
PROP.
EP
VAR.
0-6.5' 4' MIN 3' MIN
GRASS
2y �
��r. F-r, „_MqT�N
���9pF
PROPOSED `
GRADE.
PROPOSED GUARD RAIL
(PER NCDOT SPECS)
TYPICAL SECTION
STA 13+50 THRU STA 17+25
NC HWY 57 NORTH
NORTHBOUND APPROACH
SEE INSETS A& B ON
SHEET C-SA FOR EXISTING
WINGWALL DETAILS
VAR.
�
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3' _ � G //
PROP. EXIST.
EP EP
VAR.
2' MIN 0-6.5'
PROPOSED
GRADE
IMPROVEMENT PLAN
SYMMETRICAL WIDENING OF HWY 57 FOR IMPLEMENTATION OF LEFT AND RIGHT TURN LANE
SPEED LIMIT 55 MPH DESIGN SPEED 60 MPH WIDTH OF LATERAL SHIFT = 5.5' A= WS
A=5.5 X 60 = 330' (APPROACH / DEPARTURE TAPERS)
100' NCDOT RIIGHT-OF-WAY
OVERLAY WITH 1.5"-S9.5B.
W A
MATCH EXISTING� _ MATCH EXISTWG
TYPICAL SECTION
STA 10+00 THRU STA 13+50 8�
STA 17+25 THRU STA 24+53
NC HWY 57 NORTH
NORTHBOUND APPROACH
PROP.
EP
VAR.
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VAR.
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PROPOSED
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PAVEMENT SCHEDUIE
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SHEET C-8A FOR
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WINGWALL DETAILS
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NOTES:
1. ALL PAVEMENT MARKINGS ARE TO BE THERMOPLASTIC PER NCDOT STANDARD
SPECIFICATIONS.
2. SNOW PLOWABLE PAVEMENT MARKERS SHALL BE INSTALLED PER NCDOT STANDARD
1250.01.
R� z � YIELD
36" x 36" x 36"
R1-1 STOP STOP
30" x 30"
NogTH
GRAPHIC SCALE
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( IN FEET )
7 inch = 50 ft.
ENTRANCE INSET
SCALE 1":20'
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PROJECT NO.
16-0033
DRAWING NAME:
16-0033 -OS-1
SHEET NO.
C'8

\�
. 80 LF 60" RCP
0
CLASS III 4/0
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1,415 SF PERMANEN� � .
DRAINAGE EASEMENT � ` r
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ST - 3 (NCD@T �TD 84031)
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INV IN - 5�7.3a' �
INV OUT - 577.10
EXISTING POWER �
POLE. COOjD4NA7,�
WIJJ�{-BURE ENERGY � _ _ � _
� ' PRIOR TO
� _
' \ _
� � EXISTING 18'�HDPE - - -
�-------�-�-L-
� STREAM CENTERLINE � 50' RIPARIAN BUFFER ��
_ — — — — � T-2 (NCDOT STD 840.14)
STING STREAM TO�'-�i7825 381F 24" HDPE
TOP OF BANK ' INV OUT�57.�5.25 @ 10%
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_ ___ ' __
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\ "� ~ ---�- 591-- � ' ..�. �. �.._ 591-5 � � ._. .. _ _ ._ .. : . . _ .:._ .�.w_�.._. . ..._ ._. w��._.„. �.,y"_` . ..
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... � 592 .. .. --.592- "- - -- — �-- — — ._:... _ .. �.. _ ._ _ .. -_- ._. : _ .. 589-_.�.�,. .. �_ �
... _. . ..__ 593---------. -- __,
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594� , ""�- -- — -
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\PR�POSED EDGE � \�
OF PAV'ElG1L5TdT� � �
f;
PROPOSED GUARDRAIL PER NCDOT STD
862.02 (LOCATIONS AND TERMINATION
POINTS PER ROADWAY DESIGN MANUAL,
CHAPTER 3, FIGURE 1 AND TABLES 2 AND 3)
. . . ..� � --_.. . . ... . _ _- _`_ -_, .-. . .. .
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INSET A
SCALE 1":20'
/
/ ` �,
_� PROPOSED . . ... .. .... \ ...
GUARDRAIL _.. � � � �
.. ` � � � ._ �..... _ _ ._. _.. .
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� � PUBLIC
'` � RIGHT-OF-WAY
•
Know what's b@�OW.
C11� before you dig.
INSET B
SCALE 1 ":10'
HIGHWAY 57
NogTH
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EXTENSION 'PR�P TM/- 57525 �
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BNV - 573 BIVJ 573 75 '�. `` EX�NSION
, PROP �NV- 576, ` \ (SEE STRUCTURAL PLANS
_ . \ FOR DQ,TAILS)
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I NSET C
SCALE 1":10'
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GRADING AND STORM DRAINAGE NOTES:
1. ALL PIPE TO BE INSTALLED ON-SITE AND IN THE RIGHTS OF WAY SHALL MEET OR EXCEED THE NCDOT ASTM AND
AASHTO SPECIFICATION REQUIREMENTS FOR SUCH PIPE MATERIAL. CONTRACTOR SHALL VERIFY APPROVAL WITH
NCDOT FOR ALL PIPE MATERIALS TO BE USED IN THE RIGHT OF WAY.
2. ALL ON-SITE PIPE SHALL BE INSTALLED MEETWG COVER, BACKFILL AND BEDDING REQUIREMENTS PER NCDOT OR THE
V M ST STRINGENT.
MANUFACTURER'S RECOMMENDATIONS, WHICHE ER IS O
3. NCDOT PRE-CAST DRAINAGE STRUCTURES / MANHOLES CAN BE USED IN LIEU OF NCDOT STANDARD BRICK OR
CONCRETE CATCH BASINS. ANY DEVIATION FROM THE SPECIFIED STRUCTURES SHALL BE APPROVED BY ENGINEER
PRIOR TO INSTALLATION AND SHALL MAINTAW COMPLIANCE WITH ALL CORRESPONDWG NCDOT MATERIAL, DRAWWG &
DETAILED SPECIFICATIONS.
4. CONTRACTOR SHALL FIELD VERIFY THAT PROPOSED GRADES MATCH EXISTING PAVEMENT AT ALL CONNECTION/TIE
POINTS PRIOR TO FINAL LIFT OF ASPHALT. CONTRACTOR SHALL NOTIFY ENGINEER IF DISCREPANCY OCCURS.
5. ALL STORM DRAINAGE CONSTRUCTION SHALL COMPLY WITH 2O12 NCDOT STANDARO SPECIFICATIONS FOR ROADS AND
STRUCTURES, AND NCDOT STANDARD DRAWINGS UNLESS OTNERWISE NOTED OR SPECIFIED.
6. THE GRADE LINES DENOTE THE FINISHED ELEVATIONS OF THE PROPOSED SURFACE. GRADE LINES MAY BE ADJUSTED
AT THEIR BEGINNING, ENDING AND AT STRUCTURES AS DIRECTED BY THE ENGINEER IN ORDER TO PROVIDE A PROPER
TIE-IN. CONTRACTOR SHALL FIELD VERIFY ALL PROPOSED INVERTS, FFE'S & FINISHED SURFACES TO ENSURE THAT
MINIMUM SLOPE & COVER REQUIREMENTS ARE PROVIDED PRIOR TO INSTALLATION OF REFERENCED ITEMS. CONTACT
ENGINEER WITH DISCREPANCIES.
7. THE EARTHWORK ON THIS PLAN DOES NOT NECESSARILY BALANCE; OFFSITE BORROW OR WASTE MAY BE REQUIRED.
8. A�L PIPE INVERTS TO BE VERIFIED IN THE FIELD PRIOR TO CONSTRUCTING GRAVITY SYSTEMS AND SHALL BE
ADJUSTED BY THE ENGINEER IF NECESSARY.
ST-1 (NCDOT STD 840.32)
TOP - 576
INV IN W - 571.50
INV IN S - 571.25
INV OUT - 570.94
z
GRASSED SHOULDER �,g
��°�
P
�"� -� - GEOTEXTILE TO EXTEND MIN -� ov `
24" INTO ADJACENT SHOULDER
� � � � � MATERIAL WITH MINIMUM 8"
COVER ON ALL SIDES
� CLASS B RIP RAP TO EXTEND
� FROM HINGE POINT AT TOP OF
SLOPE TO TOE IOCATIONS
' GEOTEXTILE
LINER
SLOPE STABILIZATION
NOT TO SCALE
MINIMUM OF 1.5 LAYERS OF CLASS B
RIP RAP. ALL VOIDS TO BE FILLED AS
NECESSARY WITH ADDITIONAL
STONE SO THAT GEOTEXTILE
FABRIC IS NOT EXPOSED.
HEADWALL
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DRAWING NAME:
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SHEET NO.
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