1-01 Lower Gwnedd Flasher Plans.pdf

PDF 2 MB Posted

Attached to
Lower Gwynedd Township Traffic Signal Maintenance
Solicitation number
US.260533
Issued by
Montgomery County, Pennsylvania

About this file

This file is a Flashing Warning Device Permit issued by the Pennsylvania Department of Transportation to Lower Gwynedd Township in Montgomery County for the installation and operation of Rectangular Rapid Flashing Beacons (RRFBs) at a pedestrian trail crossing on Dager Road. The permit, issued March 10, 2022, authorizes the installation of post-mounted flashing warning devices with time clock and push button actuation controls. The yellow LED lenses flash alternately at 75 times per minute, with a 13-second operation period upon push button activation. The installation includes multiple pedestrian signs in various sizes (ranging from 9"x12" to 36"x36"), accessible pedestrian signals (APS) with ADA-compliant pushbuttons, confirmation LED indicators, and audible locator tones. The permit specifies that installation must comply with the Vehicle Code, Department of Transportation regulations, and applicable traffic signal standards, and installation must occur within twelve months of permit receipt. The comprehensive plan documents detail specific mounting requirements, signal head configurations, sign tabulation specifications, and operational notes for compliance with Federal Highway Administration Interim Approval (IA-21) for RRFB crosswalks.

The permit requires that Lower Gwynedd Township maintain the flashing warning device in safe operating condition at all times and prohibits any modifications without prior written approval from the Secretary of Transportation. The Township assumes all liability for damages or injury resulting from construction, maintenance, or operation of the device and must indemnify the Department of Transportation. The Secretary of Transportation reserves the right to revoke the permit if the Township fails to comply with permit conditions, fails to make required adjustments upon changes in traffic conditions, or fails to remove the installation when ordered. The permit was approved by multiple Pennsylvania Department of Transportation representatives and includes digital signatures dated through December 2022, with an as-built revision dated September 27, 2023, indicating project completion.

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FLASHING WARNING Permit No.: W-6408-02 DEVICE PERMIT Sheet 1 of 2

In accordance with the vehicle code, the Secretary of Transportation hereby approves the installation and operation of flashing warning devices on Dager Road for Trail Crossing in the Township of Lower Gwynedd, County of Montgomery.

This permit is issued to, and accepted by the Township of Lower Gwynedd hereinafter known as the Permittee, as follows:

This installation shall be in accordance with the Vehicle Code and the Regulations for the traffic signs, signals and markings of the Department of Transportation, and shall conform to the requirements and those contained on the attached sheets.

Description of Devices: Rectangular Rapid Flashing Beacon with Pedestrian Sign.

Type of Signal Mounting: Post mounted.

Type of controller: Time clock with push button actuation.

Type of Operation: When energized, the yellow lenses shall flash alternately at a rate of 75 times per minute by an approved flashing mechanism.

Period of Operation: 13 seconds upon push button.

Signs included: As shown on Sheet 2 of 2.

All work performed by the Permittee in the installation of the traffic signal shall be under and subject to the direction of the Secretary of Transportation or his representatives. The said Permittee shall use due diligence in the execution of the work authorized under this permit and shall not obstruct or endanger travel along said road. All operations must be conducted so as to permit safe and reasonable free travel at all times over the road within the limits of the work herein permitted.

The Permittee covenants and agree to fully indemnify and save harmless the Department of Transportation and assumes all liability for damages or injury, occurring to any person, persons or property through or in consequences of any act or omission of anyone working on the construction, or from faulty maintenance or operation of such flashing warning device.

The Secretary of Transportation, by law, reserves the right to revoke and annul this permit if the Permittee shall at any time willfully or negligently fail to comply with the conditions contained in this permit, or, upon changes in traffic conditions, fail to make any changes in the construction or operation of this flasher, or to remove it, when so ordered by the Secretary of Transportation: or if this installation is not in operation within twelve (12) months of the receipt of this permit. The Permittee shall maintain the flasher in a safe condition at all times. The Permittee shall not make any change in the construction or operation of this flashing warning device without prior written approval of the Secretary of Transportation.

This permit cancels and supersedes all previous permits issued for this location upon completion of the installation specified herein.

Issued: March 10, 2022

Approved Yassmin Gramian, P.E.

Secretary of Transportation

By Louis R. Belmonte, P.E.

Acting District Executive 6-0

Paul M. Lutz Digitally signed by Paul M. Lutz Date: 2022.03.14 13:14:07 -04'00'

01/20/2022Craig T. McAnally

Kevin P. Lewis, P.E. Digitally signed by Kevin P. Lewis, P.E.

Date: 2022.03.10 16:29:34 -05'00'

Paul M. Lutz Digitally signed by Paul M. Lutz Date: 2022.03.14 13:13:38 -04'00'

Kevin P. Lewis, P.E. Digitally signed by Kevin P. Lewis, P.E.

Date: 2022.12.07 16:00:08 -05'00'

Date: 2022.12.16 14:40:02 -05'00'

Date: 2022.12.16 14:40:20 -05'00'

Kevin P. Lewis, P.E.

Digitally signed by Kevin P. Lewis, P.E.

Date: 2022.12.16 15:20:48 -05'00'

A M s s t a n t o n

T r a f f i c

P l a n n i n g a n d

D e s i g n

I n c p w t p d p w b e n t l e y c o m

T P

D P r o j e c t w i s e

D o c u m e n t s

A c t i v e

M R

A G

S p r i g

H o u s e

I n n o v a t i o a r k

C A

D D

H O

P

I n

R o a d s

S i g n a l s

Y M

C

R

F B

GENERAL NOTES

STANDARDS TC-8800 SERIES.

INSTALL IN ACCORDANCE WITH TRAFFIC SIGNAL

AGE, MUST BE BORED OR JACKED UNDER THE ROADWAY.

5 YEARS OLD, OR CONCRETE ROADWAY REGARDLESS OF

CONDUIT INSTALLED IN BITUMINOUS ROADWAY LESS THAN

EXCAVATION.

FOR ANY CHANGES IN INTERSECTION GEOMETRY REGARDING

PERMITTEE SHALL OBTAIN A HIGHWAY OCCUPANCY PERMIT

DATED DECEMBER 20, 1974.

PREVENTION OF DAMAGE TO UNDERGROUND UTILITIES,

PROVISIONS OF THE LATEST AMENDMENT TO ACT 287,

DRAWING UNLESS THE PERMITTEE COMPLIES WITH THE

THIS DRAWING CANNOT BE USED AS A CONSTRUCTION

THE LOCATION OF UTILITIES.

RESOLVE ANY PROBLEMS WHICH MAY BE CREATED DUE TO

WITH THE LOCAL OFFICIALS AND UTILITY COMPANIES TO

PRIOR TO INSTALLATION THE CONTRACTOR SHALL CONSULT

WITH PUBLICATION NO. 212.

SHALL BE INSTALLED AND MAINTAINED IN ACCORDANCE

DRAWING ARE CONSIDERED PART OF THE PERMIT AND

ALL SIGNS AND PAVEMENT MARKINGS INDICATED ON THIS

THE RESPONSIBILITY OF THE PERMITTEE.

NECESSARY FOR PROPER VISIBILITY OF THE SIGNALS IS

ALL MAINTENANCE WORK INCLUDING TRIMMING OF TREES,

TRANSPORTATION.

WRITING BY A REPRESENTATIVE OF THE DEPARTMENT OF

PERMITTED UNLESS PRIOR APPROVAL IS GRANTED IN

NO MODIFICATIONS OF THIS INSTALLATION ARE

DATEDISTRICT TRAFFIC ENGINEER

RECOMMENDED:

DATEMUNICIPAL OFFICIAL

REVIEWED:

ENGINEERING DISTRICT 6-0

PENNSYLVANIA DEPARTMENT OF TRANSPORTATION

DATE

PERMIT # FILE #

COUNTY:

MUNICIPALITY:

INTERSECTION:

MONTGOMERY

DATERECOMDATEREVWDATE

REVW

DES/

REVISIONNO

1 AS-BUILT 09/27/23

12/16/22

12/07/22

SHEET OF

25 FEET500

FISH EYE CAMERA

STOP BAR RADAR DETECTOR

TPD

SIGN TABULATION

A

B

C

D

E

F

G

24"x12"

DESCRIPTIONSIZESERIES

SYMBOL

PLAN

J

30"x30" PEDESTRIAN SIGN

DOWNWARD DIAGONAL POINTING ARROW

W11-2*

-BACKGROUND: FLOURESCENT YELLOW-GREEN (REFLECTORIZED)

-SYMBOL & BORDER: BLACK (NON-REFLECTORIZED)

*SIGN COLOR

W11-2* 36"x36"

9"X12"

9"X12"R10-25 PUSH BUTTON TO TURN ON WARNING LIGHTS

R1-9 90"x24" OVERHEAD PEDESTRIAN CROSSING SIGN

24"x12" DOWNWARD DIAGONAL POINTING ARROW

W16-7P(L)*

W16-7P(R)*

24"x12"W16-9P*

R9-3 18"x18" NO PEDESTRIAN CROSSING SIGN

**SEE DETAIL

AHEAD PLAQUE

WAIT FOR VEHICLES TO YIELD BEFORE CROSSING**

PEDESTRIAN SIGN WITH OVERHEAD-MOUNTED FLASHER

W11-2* 36"x36" PEDESTRIAN SIGN WITH SIDE-MOUNTED FLASHER

DATE

RECTANGULAR RAPID FLASHING BEACONS

1.

2.

3.

4.

5.

6.

7.

8.

RECTANGULAR RAPID FLASHING BEACON (RRFB) OPERATION NOTES

1.

2.

3.

4.

ACCESSIBLE PEDESTRIAN SIGNAL (APS) OPERATION NOTES

WITH THE FOLLOWING FEATURES:

FLASHER SHALL BE EQUIPPED WITH ACCESSIBLE PEDESTRIAN SIGNALS (APS)

ROAD

2' MIN.

N.T.S.

N.T.S.

W16-7P(R)

SIGN "D"

OR

W16-7P(L)

SIGN "C"

VIEW OF LIGHT

USING CROSSWALK

ALLOW PEDESTRIANS

ON EACH SIDE TO

LED SIDE LIGHTS

36"X36"

W11-2*

SIGN "B"

WARNING DEVICE SUPPORT DETAIL

MAST ARM MOUNTED FLASHING

WARNING DEVICE SUPPORT DETAIL

POLE MOUNTED FLASHING

E

F

E

F

A

A

B G

B

K

LA

15'

G

J

SIDEWALK

TRAIL

LEGAL RIGHT-OF-WAY LINE

MCKEAN ROAD

LEGAL RIGHT-OF-WAY LINE

LEGAL RIGHT-OF-WAY LINE

LOWER GWYNEDD TOWNSHIP

TO YIELD".

VEHICLES TO YIELD. YELLOW LIGHTS ARE FLASHING, WAIT FOR VEHICLES

BEGIN THE SPEECH MESSAGE "YELLOW LIGHTS ARE FLASHING, WAIT FOR

WHEN THE FLASH PERIOD STARTS THE PEDESTRIAN PUSHBUTTON UNIT SHALL

FROM THE PUSHBUTTON.

INTENSITY RESPONSIVE TO AMBIENT SOUND, AND AUDIBLE 6 TO 12 FEET

OF 0.15 SECONDS AND REPEAT AT 1 SECOND INTERVALS, SHALL BE

A PUSHBUTTON LOCATOR TONE. THE LOCATOR TONE SHALL HAVE A DURATION

A TACTILE DIRECTIONAL ARROW ALIGNED PARALLEL TO THE CROSSING.

ADA COMPLIANT PUSHBUTTON WITH CONFIRMATION LED INDICATOR AND TONE.

2 2

ROAD

MAST ARM

17' MIN.

2' MIN.

36"X36"

W11-2*

SIGN "A"

36"X36"

W11-2*

SIGN "B"

VIEW OF LIGHT

USING CROSSWALK

ALLOW PEDESTRIANS

ON EACH SIDE TO

LED SIDE LIGHTS

(2- ONE-SIDED)

FLASHING BEACONS

RECTANGULAR RAPID

YELLOW LED

50' L

K

L

R1-1 36"x36" STOP

SPECIAL**

W-6434-03

MCKEAN ROAD AND AMBLER AREA YMCA

DRIVEWAY

D R I

V E

W A

Y

A R

E

Y

C

B L

E

12'

11'

11'

L

12'

11'

2425' AT WELSH RD

NEAREST SIGNAL

3500' AT NORRISTOWN RD

NEAREST SIGNAL

OVERPASS

RT. 309

C J

C

N

N

N

BUS SHELTER

P 30"x30" LANE USE CONTROL SIGN

P

R3-8A(L-R)

SIDEWALK

IDENTIFYING LENGTH

MAST ARM/

FENCE

GUIDE RAIL

LEGEND

UTILITY POLE

A A

DETECTABLE WARNING SURFACE

PEDESTAL POLE

PUSHBUTTON POLE

IDENTIFYING LENGTH

LUMINAIRE/

CONTROLLER CABINET

AND SIGN/IDENTIFYING LETTER

PEDESTRIAN PUSHBUTTON

SIGN/IDENTIFYING LETTER

IDENTIFYING NUMBER

DIRECTIONAL ARROW/

BACKPLATE/TUNNEL VISOR/

VEHICULAR SIGNAL HEAD/

25' MA

A

LA

15'

35 MPH

+1.9% GRADE

7' MIN.

MUTCD INTERIM APPROVAL IA-21 REGARDING THE PILOT LIGHT INTEGRATION.

SHALL BE ADJUSTED SO THEY ARE VISIBLE TO CROSSING PEDESTRIANS. COMPLY WITH

DEVICE THAT SHALL BE ILLUMINATED DURING THE FLASH PERIOD. THE PILOT LIGHTS

EACH RRFB SIGNAL SHALL BE EQUIPPED WITH A PILOT LIGHT ON THE SIDE OF THE

THE TIMER SHALL RESET UPON EACH NEW PUSHBUTTON ACTIVATION.

UPON PEDESTRIAN ACTIVATION, THE RRFB SHALL FLASH FOR A PERIOD OF 17 SECONDS.

SIGNAL OPERATION NOTES FOR FURTHER DETAILS.

EQUIPPED WITH CONFIRMATION LED AND TONE. REFER TO ACCESSIBLE PEDESTRIAN

RRFB SIGNALS SHALL BE DARK UNTIL ACTUATED BY PUSHBUTTON. PUSHBUTTON TO BE

DATED JANUARY 2005 FOR PEAK LUMINOUS INTENSITY (CANDELAS) FOR CLASS 1.

MEET THE SPECIFICATIONS OF THE SOCIETY OF AUTOMOTIVE ENGINEERS STANDARD J595

LIGHT INTENSITY OF THE YELLOW LED INDICATIONS DURING DAYTIME CONDITIONS SHALL

INDICATIONS.

DIMMING DEVICE SHOULD BE USED TO REDUCE THE BRILLIANCE OF THE RRFB

TO MINIMIZE EXCESSIVE GLARE DURING NIGHTTIME CONDITIONS, AN AUTOMATIC SIGNAL

MAY CAUSE SEIZURES.

SHALL NOT BE BETWEEN 5 AND 30 FLASHERS PER SECOND TO AVOID FREQUENCIES THAT

EACH INDIVIDUAL RRFB INDICATION, AS APPLIED OVER THE FULL FLASHING SEQUENCE,

DETAILED IN FHWA INTERIM APPROVAL (IA-21) CONDITION 5B. THE FLASH RATE OF

MINUTE. THE RRFB SHALL OPERATE IN ACCORDANCE TO THE FLASHING SEQUENCE

EACH OF THE YELLOW INDICATIONS SHALL PROVIDE 75 FLASHING SEQUENCES PER

RRFB SHALL DISPLAY TWO RAPIDLY FLASHED YELLOW INDICATIONS UPON ACTUATION.

APPROVAL OF RRFBS AT CROSSWALKS (IA-21).

RRFB SHALL CONFORM TO THE FEDERAL HIGHWAY ADMINISTRATION'S (FHWA) INTERIM

9"X12"

FONT - SERIES D

(SPECIAL)

SIGN J

PLATE (TYP.)

2" BLACK BACK

BLACK HOUSING AND

SIGNAL EASEMENT

LEGAL TRAFFIC

SIGNAL EASEMENT

LEGAL TRAFFIC

H

G

A D

E

STATE LAW

YIELD TO PEDESTRIANS

(ONE-SIDED)

RAPID FLASHING BEACONS

YELLOW LED RECTANGULAR

(TYP.)

BACK PLATE

AND 2" BLACK

BLACK HOUSING

(35)

R2-1

W-6434-03

12'12'11'

MA

40'

C.C.

SIDEWALK

B

D

B

D

35 MPH

-1.4% GRADE

MIMI GLEASON

KEVIN P. LEWIS

PAUL M. LUTZ

11/22/22

W16-7P(R)

SIGN "D"

(2- ONE-SIDED)

FLASHING BEACONS

RECTANGULAR RAPID

YELLOW LED

OR

W16-7P(L)

SIGN "C"

7' MIN.

MJS

Digitally signed by

MJS

Date: 2023.10.02 08:10:55 -04'00'

KPL

Digitally signed by

KPL

Date: 2023.10.02 09:22:49 -04'00'

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