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

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CROSS

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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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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

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Sheets and Views
Board
2023-04-12T22:54:04-0400
Jennifer Tropea Bihl, PE #25271

File details come from the government source that posted it. Updated .