Ribaut_SMTrail_Pedestrian_Hybrid_Beacon_Plan.pdf
PDF 548 KB Posted
- Attached to
- Spanish Moss Trail Extension at Ribaut Road
- Solicitation number
- 051525
- Issued by
- Beaufort County, South Carolina
About this file
This is a South Carolina Department of Transportation (SCDOT) Traffic Engineering Division signal design plan for a Pedestrian Hybrid Beacon at the intersection of Spanish Moss Trail and Ribaut Road (US 21) in Beaufort County. The project involves installing a 28' steel strain pole with pedestrian pushbutton assemblies, R-10-3e signage, a new 332 cabinet with power service, various PVC conduits, and right-of-way acquisition. The design includes specific signal phasing, traffic control elements, and signage according to the Manual on Uniform Traffic Control Devices (MUTCD) standards.
The project requires right-of-way acquisition with new 75' and 95' right-of-way sections, and includes detailed specifications for signal equipment, sign installations, and NEMA phasing. The signal design incorporates a sequence for pedestrian crossing with dark, flashing, and steady signal states to manage traffic flow and pedestrian safety. The plan is dated 04/12/2023 and was prepared by BSILI Engineering in Charleston, South Carolina, with the intention of improving pedestrian crossing safety at this specific intersection.
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Text version
BER
KELEY C
IR
C
LE
50' R /W
RIBAUT ROAD 75' R/W
NEW TRANS. R/W
NEW 80' X 40' R/W
TRIANGLE
INSTALL 28' STEEL STRAIN POLE WITH 12"X12"X12" SPLICE BOX AND 1-3", 3-2",
2-1" PVC CONDUIT; INSTALL PEDESTRIAN PUSHBUTTON ASSEMBLY AND R-10-3e
SIGNAGE; WIRE TO CABINET AS Ø4 PEDESTRIAN PHASE.
INSTALL 332 CABINET WITH NEW POWER SERVICE AND
17"X30"X24" SPLICE BOX WITH 1-3", 3-2", 2-1" PVC CONDUIT
INSTALL 28' STEEL STRAIN POLE WITH PEDESTRIAN PUSHBUTTON
ASSEMBLY AND R-10-3e SIGNAGE; WIRE TO CABINET AS Ø4
PEDESTRIAN PHASE. ROW ACQUISITION WILL BE REQUIRED.
PRES. 75' R/W INSTALL MESSENGER WIRE
SIGN LOCATION PER WARD
EDWARDS PLAN
SIGN LOCATION PER
WARD EDWARDS PLAN
SIGN LOCATION PER WARD
EDWARDS PLAN
SIGN LOCATION PER
WARD EDWARDS PLAN
Ø2
Ø6
4PE B
F
F
E
D
G
A B
A
C
C
F
F
INSTALL STOP BAR
PER WARD
EDWARDS PLAN
WITH SIGN R10-6
INSTALL STOP BAR PER
WARD EDWARDS PLAN
WITH SIGN R10-6 STOP BAR
PROPOSED RECONFIGURATION FOR
PENDER BROTHERS DRIVEWAY PER
WARD EDWARDS PLAN
NEW 95' R/W
NEW TRANS. R/W
D
4P G
/1
2/
PL
O
T D
R
IV
ER
PE
N
T
AB
LE
NEMA PHASING
B A
R R
IE
R
B A
R R
IE
R
Ø2 + Ø6
FLASHING
OPERATION
NOTE: ACTUATED PHASES HAVING NO CALL
SHALL BE SKIPPED
PROJECT ID
4P
4P
COUNTYSTATE SHEET
NO.
FED. ROAD
DIV. NO.
ROUTE
NO.
3 SC BEAUFORT 1
DATE REVISIONS
SUBJECT TITLE
CITY
APPROVED BY
SCALE DATE SHEET NO. INDEX NO.
COUNTY
ENGINEER
SOUTH CAROLINA
DEPARTMENT OF TRANSPORTATION
DISTRICT # TRAFFIC ENGINEER
OF
ENGINEERING DIVISION
This intersection border drawing including the information blocks contained within, is intended only for the specific purpose and client for which it was prepared. Reuse of and improper reliance on the sheet without written authorization from the SCDOT Traffic Engineering office is prohibited.
Post Office Box 191 Columbia, South Carolina 29202
South Carolina Department of Transportation
COLUMBIA , S.C.
RECOMMENDED
SPECIFIC LOCATION
DESIGNED
REVIEWED
CHECKED
DRAWN
1" = 30'
PEDESTRIAN HYBRID BEACON SIGNAL PLAN
INTERSECTION OF SPANISH MOSS TRAIL AT RIBAUT ROAD
BEAUFORT
04/12/2023 1 1
JB
GM
JB
RED
YELLOW
WALK
DON'T WALK
FLS YELLOW
PHASE
SIGNAL TIMINGS
APPROACH DIRECTION
ROUTE NUMBER
SIGNAL DESIGN SPEED (MPH)
GRADE (%)
RIBAUT RD. (US 21)
NB SB EB WB
40 40 - - 0* 0* 0* 0*
INSTALL SIGNS
R10-3eL 9" X 15"
R10-3eR 9" X 15"
SPANISH MOSS TR.
SOURCE: ESRI ARCgis
NOTES:
1. INSTALL NEW PAVEMENT MARKINGS IN ACCORDANCE WITH
THE WARD EDWARDS INTERSECTION IMPROVEMENT
1/11/2023 SMT AT RIBAUT ROADWAY PLANS , MUTCD, AND
SCDOT GUIDELINES.
2. ALL SIGNAL WORK SHALL BE PERFORMED ACCORDING TO
SCDOT SPECIFICATIONS BY AN APPROVED SIGNAL
CONTRACTOR.
3. THE LOCATIONS OF CONDUIT, JUNCTION BOXES, AND
TRAFFIC SIGNAL POLES SHOWN ON THE PLAN ARE
APPROXIMATE AND SHOULD BE FIELD LOCATED TO AVOID
CONFLICTS. CONTRACTORS SHALL CONTACT '811' AND ANY
OTHER UTILITY COMPANIES NECESSARY TO VERIFY THE
LOCATION OF ALL UNDERGROUND UTILITIES BEFORE
DIGGING.
4. ALL WORK TO BE PERFORMED WITHIN SCDOT RIGHT OF
WAY.
5. ALL EQUIPMENT, MATERIALS, AND WORKMANSHIP SHALL
MEET THE STANDARDS OUTLINED IN THE MUTCD (LATEST
EDITION), SCDOT STANDARD DRAWINGS, AND SCDOT
TRAFFIC SIGNAL SPECIFICATIONS.
6. CONTRACTORS ARE RESPONSIBLE FOR ALL CONSTRUCTION
SEQUENCING, MEANS, AND METHODS.
7. TRAFFIC CONTROL DURING SIGNAL INSTALLATION SHALL BE
IN ACCORDANCE WITH SCDOT TRAFFIC SIGNAL SPECIAL
PROVISIONS - TRAFFIC CONTROL.
8. INSTALL BACKPLATES ON ALL TRAFFIC SIGNAL HEADS.
9. INSTALL LED RED AND YELLOW DISPLAYS WITH ALL
PROPOSED SIGNAL HEADS.
10. ROADWAY SIGNS TO BE DIMENSIONED AND FABRICATED TO
MUTCD STANDARDS.
11. SPLICE BOXES SHALL MEET SCDOT SPECIFICATIONS.
12. TRAFFIC SIGNAL HEADS TO BE DESIGNED, ALIGNED, AND
PLACED TO SCDOT STANDARDS.
13. ALL TRENCHED PVC CONDUIT SHALL BE SCHEDULE 80.
14. PLACE SIGNAL INTO OPERATION PER THE SCDOT
STANDARDS.
15. CONTRACTOR TO COORDINATE WITH SCDOT ON
SPECIFICATIONS OF SIGN G.
SIGNAL EQUIPMENT
& SIGN
PROP.
W/ACT.
ONE(1) 8 PHASE FULLY ACTUATED STANDARD
CONTROLLER WITH FLASHER, SIGNAL MONITOR UNIT,
AND - MOUNTED CABINET WITH BATTERY BACKUP SYSTEM332A
VEHICLE SIGNALS:
PEDESTRIAN SIGNALS: EXT.
EXT.
PROP.
EXT.
PROP.
ORACLE (2)-CHANNEL VEHICLE DETECTOR UNITS
BASE
P P
W
METAL POLES AS NECESSARY:
WOOD POLES AS NECESSARY:
M
EQUIP ALL TRAFFIC SIGNALS WITH BACKPLATE WITH RETROREFLECTIVE BORDER
MAST ARM POLES AS NECESSARY: EXT. PROP.
OLB = OLD =
OLC =OLA =
EXT. PROP.
EXT. PROP.
HEAD NUMBER
LENS
PHASE
SIZE
QUANTITY
SIGNAL EQUIPMENT
R
Y
R
12"
SC
AL
E:
0'
FI
LE
: 2
3_
R ib au t_
SM
T_
Pe de st ria n_ H yb rid
_B ea co n_
Pl an
_S C
D O
T co m m en ts a dd re ss ed .d w g
W11-15 (36"X36")
W16-7P (24"X12")
W11-15 (36"X36")
W16-7P (24"X12")
R1-1-18 (18"X18")
(TRAIL VERSION)
W11-15 (36"X36")
W16-9P (24"X12")
F
E
R10-23 (24"X30")
D
A
B C
*ASSUMED
Ø4
4P R
Y
R
12"
16"
4P
2 4P6
4.5
4.5
FLS RED
1. Dark Until Activated
R
Y
R R
FY
R
3. Steady Yellow
R
SY
R SR
Y
SR
FR
Y
R R
Y
FR
1. Dark Again Until Activated
R
Y
R
SY Steady Yellow FY Flashing Yellow SR Steady Red FR Flashing Red
2. Flashing Yellow Upon Activation
4. Steady Red During Pedestrian Walk Interval
5. Alternating Flashing Red During Pedestrian Clearance Interval
Legend
Sequence for a Pedestrian Hybrid Beacon
SOURCE: MUTCD, 2009 EDITION
19 19 -
STOP
ON FLASHING
RED
THEN PROCEED
WHEN CLEAR
SCDOT Custom Sign (24"X30")
G R10-6 (24"X36")
US 21
AutoCAD SHX Text T
AutoCAD SHX Text S.Y.L.
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CROSSING
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CROSS
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CROSS
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BUTTON
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PUSH
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STEADY
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FLASHING
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TIME
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306 MEETING ST., STE. 300 CHARLESTON, SC 29401 (PO BOX 31318 (29417))
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CROSS
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BUTTON
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TO
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STEADY
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FLASHING
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TIME
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REMAINING
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AutoCAD SHX Text 1.5" Radius, 0.6" Border, 0.4" Indent, Black on Green;
AutoCAD SHX Text [SpanishMossTrail] White B;
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AHEAD
AutoCAD SHX Text Spanish Moss Trail
AutoCAD SHX Text S
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| Sheets and Views |
| Board |
| 2023-04-12T22:54:04-0400 | |
| Jennifer Tropea Bihl, PE #25271 |
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