07_-_CTDOT_TRAFFIC_STD_Individual.pdf
PDF 4 MB Posted
- Attached to
- B027-23 Oregon Road Bridge Replacement
- Solicitation number
- State Project No. L079-0004-Oregon Road Bridge No. 04184
- Issued by
- New Haven County, Connecticut
About this file
This file comprises Connecticut Department of Transportation (CTDOT) standard sheets for traffic control signal installation and maintenance, specifically sheet index TR-STD_INDEX and related technical specifications including general clauses, test procedures, trenching and backfilling requirements, pedestrian signal pedestals, pedestrian push buttons, and sign placement and mounting details. The document establishes standardized construction and installation protocols for traffic control infrastructure in Connecticut, including specifications for inductive loop detectors, ground resistance testing, conduit installation, signal equipment placement, and signage. The standard sheets are referenced as part of project specifications and are applicable to various traffic control projects throughout the state, with multiple sheets revised or updated as recently as February 2024 (sheet TR-1001_01) and August 2018 (sheet TR-1208_01). While no specific project quantities, response dates, or contract award information is provided in these technical standard sheets, they establish the technical requirements and testing procedures that contractors must follow when performing traffic control signal work on CTDOT projects.
The standard sheets contain no information regarding pricing terms, set-asides, incumbent contractors, or specific funding sources. These documents function as reference materials for contractors bidding on and executing traffic control projects in Connecticut, outlining testing procedures such as megohmmeter insulation resistance testing (minimum 600 volts with resistance greater than 100 megohms required), wire resistance measurement (maximum 4 ohms acceptable), ground resistance testing using the fall-of-potential method (maximum 10 ohms), and installation specifications for conduit, pedestrian signals, push buttons, and sign supports. The sheets reference compliance with applicable standards including the National Electrical Code (NEC) Article 250, National Electrical Safety Code (NESC) Section 09, AASHTO crash test requirements, and ADA standards for accessible design, ensuring that all traffic control infrastructure meets current safety and accessibility requirements.
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SHEET NO. TITLE SHEET NO. TITLE
STANDARD SHEETS SHALL BE USED WITH STANDARD SPECIFICATIONS
DATE**
APPROVAL
DATE**
APPROVAL
ONLY STANDARD SHEETS MARKED WITH AN " " ARE IN THIS PROJECT #
8/2018SIGN PLACEMENT AND RETROREFLECTIVE STRIP DETAILSTR-1208_01
6/2017METAL SIGN POSTS AND SIGN MOUNTING DETAILSTR-1208_022/2024TRENCHING & BACKFILLING, ELECTRICAL CONDUIT TR-1001_01
2/2024CONCRETE HANDHOLE TR-1010_01
4/2012PEDESTALS, PEDESTRIAN SIGNALS TR-1102_01
8/2018TRAFFIC SIGNALS AND CABLE ASSIGNMENTS TR-1105_01
8/2018PEDESTRIAN PUSH BUTTON TR-1107_01
5/2013CONTROLLERS TR-1108_01
4/2014LOOP VEHICLE DETECTOR AND SAWCUT TR-1111_01
8/2018BONDING & UTILITY POLE ATTACHMENT DETAILS, SIGN HANGER, "Y" CLAMP DETAILS TR-1114_01
4/2014CONTROL CABLE TR-1113_01
1/2014GENERAL CLAUSES (TEST PROCEDURES) TR-1000_01
2/2024TRAFFIC CONTROL FOUNDATIONS TR-1002_01
STANDARD SHEET TITLE: STANDARD SHEET NO.:
C
ONNECTICU
T
D E
P A
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M E
N T
O F TRAN
S
P O
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A T I
O N
STATE OF CONNECTICUT
TRANSPORTATION
OF
DEPARTMENT
SIGNATURE BLOCK:
TRAFFIC STANDARD SHEET INDEX
TR-STD_INDEX
NOT TO SCALE
STANDARD SHEET
CTDOT
SUBMITTED BY: APPOVED BY:
OR ADDED
**REVISED
L079-0004
LEGEND AS SHOWN ON TRAFFIC CONTROL SIGNAL PLAN:
HANDHOLE
RIGID METAL CONDUIT
SAW CUT
INDUCTIVE LOOP DETECTOR
FUNCTIONCOLORPIN
OHMETER
CA
LEAD-IN
MEGOHMETER
CA
LEAD-IN
D6B
D6A
D5
D4B REAR
D4A FRONT
D2B
D2A
D1 REAR
D1 FRONT
TOWN: LOCATION:
PROJECT:
DOCUMENT ALL LOOP DETECTOR VALUES BOTH CALCULATED AND MEASURED.
WHERE:
14/2
LOOP
14/2
LOOP
14/2
T
1 2 3
LOOP
LOOP
LOOP
14/2
14/2
14/2
R E S I S
T A
N C
E o h m s
R = E / I
VOLTAGE
SOURCE
AMMETER (I)
VOLTMETER (E)
V
(3000) (6000) (9000) (12000) (15000)
DISTANCE
10' 20' 30' 40' 50' (D)
LOOP
R R RR
TEST 1a
TEST 1b
INDUCTIVE LOOP TEST PROCEDURE
3 POINT FALL-OF-POTENTIAL GROUND RESISTANCE TEST
DETECTOR AMPLIFIER PIN DESIGNATION
DEFINITIONS:
1: RESISTANCE:
2: LOOP CIRCUIT INDUCTANCE:
LOOP INDUCTANCE (ENGLISH) LOOP INDUCTANCE (METRIC)
LEAD-IN INDUCTANCE LEAD-IN INDUCTANCE
L = (P/4) (N + N) L = (3.28P/4) (N + N)
L = (0.24 /FT) (D) L = (0.78 /m) (D)
2a: CALCULATE INDUCTANCE OF LOOP (L ) AND LEAD-IN CABLE (L ).
LOOP
14/2
T
T
L = 120
L = (6) (20)
L = (24/4) (4 + 4)
6' x 6', 4 TURNS, APPROXIMATELY 300' FROM THE CONTROLLER
EXAMPLE: (IN ENGLISH)
L , L , L = INDUCTANCE OF INDIVIDUAL LOOP SEGMENTS.
L = TOTAL INDUCTANCE OF THE SEGMENTED ARRANGEMENT.
WHERE:
L = 72
L = (0.24) (300)
L = (0.24 /FT) (300)
INSTRUMENT DESIGNED TO MEASURE LOOP CIRCUIT INDUCTANCE.
2b: MEASURE INDUCTANCE OF LOOP AND LEAD-IN AT CONTROLLER. USE
NUMBER
LOOP
INTERRUPTION
POWER
AMPLIFIER
(1a)
TO GROUND
(1b)
LOOP WIRE
(2a)
CALCULATED
(2b)
MEASURED
(3)
PASS/FAIL
(EXAMPLE)
LOOP CIRCUIT TEST DATA
TEST CIRCUIT
3 POINT GROUND RESISTANCE
(EXAMPLE)
GROUND RESISTANCE CHART
ROD (X)
GROUND
ELECTRODE (P)
POTENTIAL
ELECTRODE (C)
CURRENT
(3000)
10'
(6000)
20'
(9000)
30'
(12000)
40'
(15000)
50' (D)
GREY
GREEN
BLUE
YELLOW
ORANGE
RED
BLACK
BROWN
WHITE
Shell
J
H
G
F
E
D
C
B
A
Ground (shall be connected to pin H in the connector)
110 VAC Delay/Extend Override
Chassis Ground
Output Relay Contact (Opens with moving contact when detecting vehicle)
Output Relay Contact (Closes with moving contact when detecting vehicle)
Loop
Loop
110 VAC (Fused)
Output Relay Common (moving contact)
110 VAC Neutral
OHMS
RESISTANCE
MICROHENRIES ( )
INDUCTANCE
BY EXOTHERMIC WELDING TECHNIQUE.
GRID CONNECTIONS AND BONDS ON GROUND GRID SHALL BE MADE BY CLAMPS DESIGNED FOR DIRECT BURIAL OR
MINIMUM DEPTH OF 18" (450).
REFER TO NEC SECTION 250.
REFER TO NESC SECTION 09, RULE 94.B.3.
OR PLATES.
B. IN AREAS OF SHALLOW BEDROCK, INSTALL A GROUND GRID OR ARRAY CONSISTING OF BURIED WIRE, RODS, STRIPS
TOP OF ADDITIONAL GROUND ROD(S) SHALL BE 6" (150) BELOW GRADE.
WELDING TECHNIQUE.
BONDS TO ADDITIONAL GROUND ROD(S) SHALL BE MADE BY A CLAMP DESIGN FOR DIRECT BURIAL OR BY EXOTHERMIC
MINIMUM 6' (1800) APART.
DRIVE ADDITIONAL GROUND RODS NO CLOSER TO FOUNDATION THAN 6' (1800). IF MORE THAN ONE IS NEEDED, SPACE
REFER TO NESC SECTION 09, RULE 94.B.2.
A. INSTALL ADDITIONAL 10' (3000) GROUND ROD(S).
SUGGESTED CORRECTIVE ACTION:
- IF GROUND RESISTANCE IS GREATER THAN 10 OHMS, PERFORM CORRECTIVE ACTION AND RE-TEST.
SEE EXAMPLE CHART: CURVE FLATTENS OUT AT 10 OHMS, APPROXIMATELY 30' (9000) FROM FOUNDATION.
- THE ACTUAL GROUND RESISTANCE IS WHERE THE PLOTTED CURVE IS RELATIVELY FLAT, USUALLY AT 62%| OF D.
- PLOT THE VALUES ON A RxD GROUND RESISTANCE CHART.
- CALCULATE RESISTANCE (R) AT EACH LOCATION OF P USING THE FORMULA R=E/I.
- MEASURE VOLTAGE (E) AT EACH LOCATION OF P.
- INSERT POTENTIAL ELECTRODE (P) AT 5' (1500) INTERVALS IN A STRAIGHT LINE TO ELECTRODE C.
- MEASURE THE CURRENT FLOW (I) BETWEEN X AND C.
- CONNECT A VOLTAGE SOURCE AND AMMETER BETWEEN THE FOUNDATION GROUND ROD (X) AND C.
- INSERT ELECTRODE (C) A DISTANCE (D) FROM THE FOUNDATION. RECOMMEND A MINIMUM 50'.
TEST PROCEDURE:
NOTES:
AS A SPECIALIZED TEST INSTRUMENT.
AND COMMUNCATIONS FACILITIES.
LOOP: #14 AWG WIRE IN SAWCUT, TERMINATED IN HANDHOLE, IMSA SPEC 51-7.
LEAD-IN: 14/2 SHIELDED TWISTED PAIR CABLE FROM HANDHOLE TO CONTROLLER, IMSA SPEC 50-2.
LOOP CIRCUIT: LOOP SAWCUT WIRE SPLICED TO 14/2 LEAD-IN CABLE.
AMPLIFIER: ELECTRONIC DEVICE CONNECTED TO LOOP CIRCUIT. SENSES CHANGE IN RESONANT
FREQUENCY AND CREATES AN OUTPUT TO THE CONTROLLER.
MEGOHMETER: INSTRUMENT SPECIFICALLY DESIGNED TO TEST THE INSULATION RESISTANCE OF A
CIRCUIT. COMMON MANUFACTURERS: AMEC , AMPROBE , FLUKE , MEGGER .
1a: INSULATION RESISTANCE: PERFORM A 600 VOLT (MINIMUM) MEGOHMETER TEST ON LOOP CIRCUIT. THE
LOOP AMPLIFIER MUST BE DISCONNECTED FROM THE LOOP CIRCUIT OR THE LOOP AMPLIFIER WILL BE
DAMAGED. THE RESISTANCE OF THE LOOP WIRE TO GROUND MUST BE GREATER THAN 100 MEG OHMS.
1b: WIRE RESISTANCE: MEASURE THE DC RESISTANCE OF THE LOOP CIRCUIT. THE LOOP CIRCUIT MUST BE
DISCONNECTED FROM THE AMPLIFIER. USING AN OHMMETER CONNECTED ACROSS THE LOOP CIRCUIT, MEASURE THE DC RESISTANCE OF THE CONDUCTORS. THE RESISTANCE SHOULD BE LESS THAN 4 OHMS.
NOTE: ALL TESTS SHALL BE DONE AT THE CONTROLLER ASSEMBLY (CA), HOWEVER IT IS RECOMMENDED TO
PERFORM A PRELIMINARY MEGOHMETER TEST AT THE HANDHOLE PRIOR TO SEALING THE SAWCUT AND
SPLICING TO THE LEAD-IN. IF A DEFECTIVE LOOP WIRE IS FOUND, IT MAY BE EASILY REPLACED.
(TOTAL INDUCTANCE OF SEGMENTED LOOP SPLICED IN PARALLEL.
L = 1 / [(1 / L ) + (1 / L ) + (1 / L ) + etc.], (TOTAL INDUCTANCE OF SEGMENTED LOOP SPLICED IN SERIES.)
L = L + L + L etc., IN FEET OR METERS.
D = LENGTH OF LEAD-IN CABLE FROM SPLICE IN HANDHOLE TO CONTROLLER,
N = NUMBER OF TURNS.
P = PERIMETER OF INDIVIDUAL LOOP SEGMENT, IN FEET OR METERS.
L = INDUCTANCE OF LEAD-IN CABLE.
L = INDUCTANCE OF INDIVIDUAL LOOP SEGMENTS IN MICROHENRIES ( ).
CALCULATE RESISTANCE AT 5' | (1500|) INTERVALS
2" (50) RMC
2" (50) RMC
RE-TUNES AUTOMATICALLY WITHOUT ANY MANUAL ADJUSTMENTS.
FUSE OR HARNESS CONNECTOR. RETURN POWER TO THE AMPLIFIER AND CONFIRM IT
AFTER THE AMPLIFIER HAS TUNED AND IS OPERATING, DISCONNECT POWER BY REMOVING
DIMENSIONS ARE IN ENGLISH ('.")
& METRIC UNITS (mm).
- UNDER 1" TO NEAREST 1 mm.
- OVER 1" TO NEAREST 5 mm
METRIC DIMENSIONS ARE ROUNDED:
REV. DATE REVISION DESCRIPTION Plotted Date:
OF WORK WHICH WILL BE REQUIRED.
THE CONDITIONS OF ACTUAL QUANTITIES
IN NO WAY WARRANTED TO INDICATE
INVESTIGATIONS BY THE STATE AND IS
SHEETS IS BASED ON LIMITED
QUANTITIES OF WORK, SHOWN ON THESE
THE INFORMATION, INCLUDING ESTIMATED
1/7/2014
NOT TO SCALE
DEPARTMENT OF TRANSPORTATION
STATE OF CONNECTICUT
CTDOT_TRAFFIC_STD.DGNFilename: Model:
APPROVED BY:
TR-1000_01
SUBMITTED BY: NAME/DATE/TIME:
NAME/DATE/TIME:
C
ONNECTICU
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D E
P A
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M E
N T
O F TRAN
S
P O
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A T I
O N
STANDARD SHEET TITLE: STANDARD SHEET NO.:
OFFICE OF ENGINEERING
CTDOT
TR-1000_01
GENERAL CLAUSES
(TEST PROCEDURES)
4-2012 MINOR REVISIONS.
3: POWER INTERRUPTION:
1. WHEN REQUESTED BY THE ENGINEER, MEASURE RESISTANCE-TO-GROUND OF GROUND ROD AT
TRAFFIC CONTROL FOUNDATIONS. SEE FALL-OF-POTENTIAL METHOD. IF LESS THAN 10 ohms, INSTALL SUPPLEMENTAL ELECTRODES AS REQUIRED. NEC ARTICLE 250.
2. DURING THE TEST, THE GROUND ROD SHOULD NOT BE BONDED TO ANY RMC IN THE FOUNDATION.
3. THE VOLTAGE SOURCE, VOLTMETER, AMMETER, ELECTRODES P AND C, AND CONNECTING CABLES ARE AVAILABLE
4. REFER TO NATIONAL ELECTRICAL SAFETY CODE (NESC) SECTION 09, GROUNDING METHODS FOR ELECTRIC SUPPLY
5. REFER TO NATIONAL ELECTRICAL CODE (NEC) CHAPTER 2, ARTICLE 250, GROUNDING.
1-2014 REVISED GROUND RESISTANCE NOTES.
Tracy L. Fogarty
2014.01.07 16:11:26-05'00'
Charles S. Harlow
2014.01.08 09:02:11-05'00'
CT DOT
COMMUNICATION
CONDUIT
BURIED BELOW
CALL BEFORE
YOU DIG
1 - 800
922 - 4455
XX
OW
SAND
BEVELED END
GROUND LINE
CONDUIT
SAND BACKFILL LEVEL
SUITABLE BACKFILL
SIGN FACE DETAIL
INTERCONNECT TYPICAL CURB CROSSING
M
IN
M
IN
NOTES:
1. RESTORE AREAS DISTURBED BY TRENCH TO ORIGINAL CONDITION.
CONDUIT
NOTES:
1. 4" x 4" NOMINAL, PRESSURE TREATED WOOD POST.
NYLON WASHER ON FACE OF SIGN.
IS GREATER THAN 1500' APART.
36" (MIN)
10' (MIN)
36" (MIN)
6"
2" (MIN)
1¼"
1½"
SIGN FACE ON ALL FOUR SIDES
ATTACH NUMBERS TO SIDE OF POST FACING CONDUIT.
TO TRENCH CONTAINING COMMUNICATION CABLE.
2¾" (TYP)
⅜" (TYP)
½" (TYP)
4" MIN
8" MIN
24"
MAX
12"
T
O
SIGN # 41-4669
4" MIN.
SAW CUT EDGE
6" TO 12"
SAW CUT EDGE
CONDUIT
CONCRETE OVERLAY
EXISTING BITUMINOUS
EXISTING BITUMINOUS OR PCC PAVEMENT
EXISTING BITUMINOUS
T
O
CONCRETE OVERLAY
BEDDING MATERIAL OR SAND
1. TOTAL HOT MIX ASPHALT (HMA) THICKNESS TO MATCH EXISTING BITUMINOUS
SAW CUT EDGE, TACK COAT, AND
SEAL JOINT AFTER PAVING. (TYP)
EXISTING GRADE
2. ATTACH SIGN TO POST WITH ¼" x 1¼" STAINLESS STEEL LAG SCREW WITH
4. INSTALL POST APPROX 24" FROM RMC IN VICINITY OF EACH INTERCONNECT HANDHOLE.
5. INSTALL ADDITIONAL POST(S) WHERE SPACING BETWEEN INTERCONNECT HANDHOLES
6. PERMANENTLY ATTACH STAINLESS STEEL NUMBERS INDICATING DISTANCE IN FEET
SEE NOTE 6 3"
UNDER EXISTING UTILITYCROSSING
30" MAX TYP
CAUTION - CABLE BURIED BELOW
NOTE:
EXISTING UTILITY PIPE OR CONDUIT
NOTES:
DETECTABLE WARNING TAPE
8" MIN.
12" MIN.
NOTES:
CONCRETE AND PORTLAND CEMENT CONCRETE (PCC) THICKNESS.
2. WHEN ALLOWED BY ENGINEER, USE CONTROLLED LOW STRENGTH MATERIAL (CLSM)
AS BEDDING MATERIAL. TOP OF CLSM SHALL BE AT LEAST 20" BELOW SURFACE.
SIDEWALK EARTH
NOTES:
1. IN MOWED AREAS: PLACE TOPSOIL, FERTILIZER, SEED, & MULCH.
4" MIN
REFER TO NOTE 1
GENERAL NOTES:
1. TOP OF CONDUIT AT LEAST 24" DEEP.
2. COMPACT BACKFILL IN 6" LIFTS.
1. WHEN ENCOUNTERED AT APPROXIMATELY THE SAME
DEPTH, CROSS BENEATH.
INTERCONNECT CONDUIT
STANDARD SPECIFICATIONS, SECTION 9.50 OR SEEDING TYPE CALLED OUT ON THE PLANS.
DETECTABLE WARNING TAPE
COMMUNICATION - ORANGE BACKGROUND / BLACK LEGEND
STANDARD SPECIFICATIONS, ARTICLE: 1.05.15
1. TAPE COLORS:
2. PROTECT & SUPPORT EXPOSED EXISTING UTILITY.
HAND COMPACTION NOT PERMITTED.
POWER - RED BACKGROUND / BLACK LEGEND
IDENTIFICATION POST
LEGEND - BLACK (OPAQUE).
3. SIGN COLORS: BACKGROUND - ORANGE (RETROREFLECTIVE)
DETECTABLE
WARNING TAPE
OVERLAYED PORTLAND CEMENT CONCRETE
PAVEMENT - BITUMINOUS CONCRETE OR
12" 12"
BE 4"
MINIMUM COMPACTED PAVEMENT THICKNESS SHALL
S0.375 TRAFFIC LEVEL 2 IN MULTIPLE 2"-3" LIFTS
MATCH EXISTING PAVEMENT THICKNESS USING HMA
COMPACTED IN 4" LIFTS
PROCESSED AGGREGATE BASE MATERIAL
TRANSVERSE ENDS OF THE TRENCH
TRAFFIC LEVEL 2, AND SAWCUT
TRAFFIC LEVEL 2, OR 2" HMA S0.5
MILL 2" THEN PLACE 2" HMA S0.375
TACK COAT EDGES (TYP.)
SAND
WARNING TAPE
SUITABLE BACKFILL
CONDUIT
24"
MAX
8" MIN
4" MIN
T
O
12"
SIDEWALK
NOTES:
1. WHERE CONCRETE SIDEWALK IS DAMAGED OR CUT, REPLACE THE
ENTIRE SECTION BETWEEN JOINTS. REPLACEMENT SIDEWALK IS
PAID FOR UNDER THE ITEM "CONCRETE SIDEWALK".
STANDARD SPECIFICATIONS, SECTIONS 9.21 & 9.22
DETECTABLE
COMPACTED IN 4" LIFTS
GRANULAR FILL SHALL BE
8"
STANDARD SPECIFICATION, SECTION 3.04 AND STANDARD SPECIFICATION, ARTICLE 4.06.03
STANDARD SHEET TITLE: STANDARD SHEET NO.:
CONNECTICUT
D E
P A
R T
M E
N T
O F TRANS
P O
R T
A T I
O N
STATE OF CONNECTICUT
TRANSPORTATION
OF
DEPARTMENT
SIGNATURE BLOCK:
TRENCHING & BACKFILLING, ELECTRICAL CONDUIT
TR-1001_01
NOT TO SCALE
NEWINGTON, CT 06111
2800 BERLIN TURNPIKE
OFFICE OF ENGINEERING
STANDARD SHEET
CTDOT
SUBMITTED BY: APPOVED BY:
LEGEND AS SHOWN ON TRAFFIC CONTROL SIGNAL PLAN:
PROPOSED RMC (RIGID METAL CONDUIT)
SAND
EXISTING RMC (RIGID METAL CONDUIT)
CURB OR EDGE OF ROAD
INTERCONNECT
HANDHOLE
UNPAVED EARTH
22.5°- 48" RADIUS
BITUMINOUS SHOULDER
22.5°- 48" RADIUS 22.5°- 48" RADIUS
22.5°- 48" RADIUS
CONDUIT
CONDUIT
CABLE ITEM.
IDENTIFICATION POSTS WITH SIGNS SHALL BE PAID UNDER THE COMMUNICATION 7.
Lisa N. Conroy, P.E.
2024.01.23 08:17:40-05'00'
Digitally signed by Matthew C. Blume, P.E., PTOE
Date: 2024.02.21 08:25:47-05'00'
LEGEND AS SHOWN ON TRAFFIC CONTROL SIGNAL PLAN:LEGEND AS SHOWN ON TRAFFIC CONTROL SIGNAL PLAN:
STEEL SPAN POLE, MAST ARM ASSEMBLY SHAFT
TRAFFIC SIGNAL
PEDESTRIAN SIGNALP
PEDESTAL MOUNTED, TRAFFIC & PEDESTRIAN SIGNALS
POLE MOUNTED, TRAFFIC & PEDESTRIAN SIGNALS
P
P
ALUMINM PEDESTAL
CURBLINE
DETAIL
TYP
TYP
FROM TURNING VEHICLES.
SIDE MOUNT PEDESTRIAN OR TRAFFIC SIGNALS TO AVOID VISOR DAMAGE
WHEN PEDESTALS OR SPAN POLES ARE INSTALLED CLOSE TO THE CURB,
POLE MOUNTED
ONE WAY TRAFFIC SIGNAL
PEDESTAL MOUNTED
ONE WAY TRAFFIC SIGNAL
PEDESTAL MOUNTED
ONE WAY WALK SIGNAL
(25)
1"
TYP
TYP
(2400)
8’-0"
PEDESTAL BASE PLAN
OUTLET TEE, IRON, TYP
1�" (38) SSIDE
SCREW OR PIN
DRILL, INSTALL SET
B
B
A
A
C
D
D
C
B
A
2" (50)
NOT MORE THAN
CONDUIT HEIGHT
NOTES:
SECURE LOWER HUB PLATE WITH STAINLESS STEEL SET SCREW OR PIN PRIOR TO
BASE DESIGNED AS BREAK-AWAY.
INCANDESCENT WALK SIGNAL LAMPS ARE 67 WATTS, RATED AT 8000 HOURS LAMP LIFE.
ONE WAY WALK SIGNAL.
SIGNAL SHALL BE MOUNTED SAME AS
PEDESTAL MOUNTED ONE WAY VEHICLE
NOTE:
INSTALLATION DETAIL
ALUMINUM PEDESTAL
DOOR OPENING DETAIL
ALUMINUM PEDESTAL
(450)
18"|
(238)
9�"|
(325)
13"|
(200)
8"|
BOLT CIRCLE
11 �" - 12 �" (288 - 319)
MAX
1�" (30)
(285)
11�"
(325)
13"
(325)
13"
16"|
(400|)
BANDING IN PLACE. (TYP)
INDENT, TO HOLD
ADAPTER, IRON
POST TOP MOUNTED
ADAPTER, IRON
POST TOP MOUNTED
GROUND WIRE
GROUND CLAMP
GROUND ROD
TOP AND BOTTOM, TYP
1�" (38) HUB PLATE, IRON
INSTALLED.
AFTER WIRES HAVE BEEN
EXPANSION AEROSOL FOAM
FILL TOP OF PEDESTAL WITH
STEEL BANDING AND BUCKLE, TYP
�" (19) STAINLESS
SERRATED ELL, IRON, TYP
COMPARTMENT, IRON
ADAPTER WITH TERMINAL
POST TOP MOUNTED
TRANSFORMER BASE
HEX NUT AND WASHER
ANCHOR BOLT WITH
SHIM AS REQ’D
NUT - STAINLESS STEEL
TWO WASHERS AND
GROUNDING STUD
1�" (38) NIPPLE, STEEL, TYP
RMC SWEEP
COMPARTMENT, IRON
ADAPTER WITH TERMINAL
POST TOP MOUNTED
MIN
(450|)
18"|
10"|
(250|)
TYP
(2400)
8’-0"
TYPICAL INDICATION WHEN LIT
STEADY HAND FLASHING HAND
WALK PED CLEAR.DON’T WALK
9"
(225)
STEADY HAND/
FLASHING HAND
WALK
NON-COUNTDOWN DISPLAY, ONLY WHEN SHOWN ON PLAN.
DON’T WALK/PED CLEAR.
STEADY PERSON
STEADY PERSON
BANDING TO PREVENT MOVEMENT. INSTALL CABLE THROUGH BOTTOM OF HUB PLATE.
LED WALK SIGNAL LAMPS ARE MAXIMUM 15 WATTS, WARRANTEED AT 5 YEAR LIFE.
REFER TO CTDOT TRAFFIC STANDARD SHEET,
TR-1105_01, TRAFFIC SIGNALS & CABLE ASSIGNMENTS.
IF THREADED, MIN 1" (25) THREADED INTO BASE, SECURED WITH STAINLESS
STEEL SET SCREWS.
DRILL & DEBURR
DIMENSIONS ARE IN ENGLISH (’.")
& METRIC UNITS (mm).
- UNDER 1" TO NEAREST 1 mm.
- OVER 1" TO NEAREST 5 mm
METRIC DIMENSIONS ARE ROUNDED:
REV. DATE REVISION DESCRIPTION Plotted Date:
OF WORK WHICH WILL BE REQUIRED.
THE CONDITIONS OF ACTUAL QUANTITIES
IN NO WAY WARRANTED TO INDICATE
INVESTIGATIONS BY THE STATE AND IS
SHEETS IS BASED ON LIMITED
QUANTITIES OF WORK, SHOWN ON THESE
THE INFORMATION, INCLUDING ESTIMATED
4/14/2012
NOT TO SCALE
DEPARTMENT OF TRANSPORTATION
STATE OF CONNECTICUT
CTDOT_TRAFFIC_STD.dgnFilename: Model:
TR-1102_01
NAME/DATE/TIME:
C
ONNECTICU
T
D E
P A
R T
M E
N T
OF TRAN
S
P O
R T
A T I
O N
STANDARD SHEET TITLE: STANDARD SHEET NO.:
OFFICE OF ENGINEERING
1-2010 INCLUDED COUNTDOWN PEDESTRIAN SIGNALS.
TR-1102_01
PEDESTALS, PEDESTRIAN SIGNALS
4-2012 MINOR REVISIONS.
Tracy L. Fogarty
2012.05.01 12:55:27-04'00'
Timothy M. Wilson
2012.05.09 10:24:58-04'00'
LEGEND AS SHOWN ON TRAFFIC CONTROL SIGNAL PLAN:
SIGN #
8' (2400) PEDESTAL4'-4" (1300) PEDESTAL
PEDESTRIAN PUSH BUTTON
PEDESTRIAN PUSH BUTTON, PEDESTAL MOUNTED
PEDESTRIAN PUSH BUTTON, POLE MOUNTED
DETAIL A
3'-6" (1050) FROM FINISHED GRADE SUCH AS SIDEWALK TO CENTER OF PUSH BUTTON.
PUSH BUTTON INSTALLATIONS SHALL CONFORM TO THE REQUIREMENTS OF THE AMERICANS
ALLOY CAP
TYP
(1050)
3'-6"
SIGN # 31-0835
GROUND LINESUBBASE
SURFACE MOUNTED PEDESTAL MOUNTED
SEE DETAIL A.
PUSH BUTTON ASSEMBLY.
POLE MOUNTED PEDESTRIAN
MOUNTED
SPAN POLE/MAST ARM
GENERAL NOTES:
panelStyle:guide_fwy_recreational_major.ssipanelName:31-0845panelQuantity:1panelStation:nonepanelMaterial:0legendMaterial:0panelMounting:1panelWidthLock:1panelHeightLock:1marginAlign:9panelRoundCorners:0constructPanelMode:0constructPanels:36|24|18panelSizes:panelStandard:1levels:GSCOLORFILL|GSBWFILL|GSOUTLINE
TO BE
DETERMINED
DIMENSIONS ARE IN ENGLISH ('.")
& METRIC UNITS (mm).
- UNDER 1" TO NEAREST 1 mm.
- OVER 1" TO NEAREST 5 mm
METRIC DIMENSIONS ARE ROUNDED:
REV. DATE REVISION DESCRIPTION Plotted Date:
OF WORK WHICH WILL BE REQUIRED.
THE CONDITIONS OF ACTUAL QUANTITIES
IN NO WAY WARRANTED TO INDICATE
INVESTIGATIONS BY THE STATE AND IS
SHEETS IS BASED ON LIMITED
QUANTITIES OF WORK, SHOWN ON THESE
THE INFORMATION, INCLUDING ESTIMATED
8/9/2018
NOT TO SCALE
DEPARTMENT OF TRANSPORTATION
STATE OF CONNECTICUT
CTDOT_TRAFFIC_STD_2018-01-25.dgnFilename: Model:
TR-1107_01
NAME/DATE/TIME:
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STANDARD SHEET TITLE: STANDARD SHEET NO.:
OFFICE OF ENGINEERING
4-2012
TR-1107_01
PEDESTRIAN PUSH BUTTONS
MINOR REVISIONS & UPDATED SIGN #31-0845.
4-2014 ADDED PEDESTRIAN EXAMPLE ALIGNMENTS
TO THE CROSSWALK
NOT
CORRECT ALIGNMENT
CORRECT ALIGNMENT
TACTILE ARROW
POINTING PARALLEL
TACTILE ARROW POINTING
TO THE PEDESTRIAN RAMP
P P
NOT
CORRECT ALIGNMENT
CORRECT ALIGNMENT
POINTING PARALLEL
P P
TO THE CROSSWALK
POINTING TO THE
PEDESTRIAN RAMP
WHERE
APPROPRIATE
4'-4" (1300) PEDESTAL TO INCLUDE ALLOY CAP SECURED WITH STAINLESS STEEL SET SCREW.
FOR EXCLUSIVE PEDESTRIAN PHASE
EXAMPLE ALIGNMENTS
PEDESTRIAN PUSH BUTTON ALIGNMENT ACCESSIBLE PEDESTRIAN SIGNAL AND DETECTOR
OTHERWISE NOTED ON PLAN.
USE APPROPRIATE ARROW UNLESS
WITH SIDE STREET GREEN
FOR CROSSING
WITH DISABILITIES ACT (ADA) STANDARDS FOR ACCESSIBLE DESIGN, CURRENT EDITION GOVERNS.
UPDATED PEDESTRIAN SIGN LEGENDS AND NOTES.3 8-2018
SIGN # 31-0833
USE APPROPRIATE LEFT OR RIGHT ARROW
USE 9" x 15" SIGN NO. 31-0856.
FOR NEW PUSHBUTTON HOUSING,
WITH 9" x 12" SIZE, USE SIGN NO. 31-0845.
FOR EXISTING PUSHBUTTON HOUSING,
OR RIGHT ARROW
VARIABLE LEFT
TAPPED HOLE
SUPPORT ANGLE (2 REQUIRED)
TAPPED HOLE
SIGN
WITH RUBBER GROMMET
3/4" (19) DIA HOLE
STATION BODY
PUSH BUTTON
ARROW ON SIGN ARROW ON SIGN
Tracy L. Fogarty, P.E.
2018.08.16 12:13:35-04'00'
Mark F. Carlino, P.E.
2018.08.21 07:46:57-04'00'
REFER TO APPLICABLE TYPICAL
SHEETS FOR STRUCTURE SUPPORTS
FOR MINIMUM DISTANCE TO HIGHEST
POINT OF TRAVEL PATH.
SUPPORT
C VERTICAL
C HORIZONTAL
SUPPORT
L
L
LEFT SHOULDER
INSTALLATION
E
F
C VERTICAL
SUPPORT
L
F E
RIGHT SHOULDER
INSTALLATION
NOTES:
DIRECTION OF TRAVEL
SIGN
90°
POINT AT WHICH
SIGN SHALL BE READ
O
C E
R
D I
T
IO
N
F
RAVEL
T
SIGN
1) FOR PLACEMENT OF CANTILEVER SIGN SUPPORT USE APPLICABLE
3) IMPACT PROTECTION SHALL BE PROVIDED FOR THE SIGN SUPPORTS LOCATED
PORTION OF ABOVE DETAIL.
SEE NOTE 4
SEE NOTE 3
SEE NOTE 4
SEE NOTE 3
DIAGRAM "A"
DIAGRAM "B"
SIGN ORIENTATION DETAILS
TYPICAL PLACEMENT OF SIDE MOUNTED SIGNS ON
STRUCTURAL STEEL BREAKAWAY SIGN SUPPORTS
NOTES:
SHOULDER
F
E
CALLED FOR ON SIGNING PLANS
2) WHERE GUIDE RAIL IS USED, THE OFFSET TO THE NEAR EDGE OF SIGN FACE
SHALL BE AS SHOWN ELSEWHERE IN THE CONTRACT PLANS.
3) ON INTERSECTING ROADS AT RAMP TERMINI, THE OFFSET TO THE NEAR
REV. DATE REVISION DESCRIPTION Plotted Date:
OF WORK WHICH WILL BE REQUIRED.
THE CONDITIONS OF ACTUAL QUANTITIES
IN NO WAY WARRANTED TO INDICATE
INVESTIGATIONS BY THE STATE AND IS
SHEETS IS BASED ON LIMITED
QUANTITIES OF WORK, SHOWN ON THESE
THE INFORMATION, INCLUDING ESTIMATED
8/10/2018
NOT TO SCALE
DEPARTMENT OF TRANSPORTATION
STATE OF CONNECTICUT
TR_1208_01_1_2018.dgnFilename: Model:
TR-1208_01
NAME/DATE/TIME:
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STANDARD SHEET TITLE: STANDARD SHEET NO.:
OFFICE OF ENGINEERING
2-2011 MINOR REVISIONS.
TR-1208_01
30'-0" OR AS
7' (MIN)
1) MIN. VERTICAL CLEARANCE ABOVE SIDEWALKS SHALL BE 7'.
EDGE OF OF SIGN FACE SHALL BE 6' MIN. FROM POINT "E".
4) IF 30'-0" MIN. CANNOT BE MET, PLEASE CONTACT THE ENGINEER.
5) ALL SIGNS ARE TO BE LEVEL, REGARDLESS OF CAMBER IN SUPPORT.
0'
SHOULDER
B
C A
(OPTIONAL)
RETROREFLECTIVE STRIP
B
C
(OPTIONAL)
RETROREFLECTIVE STRIP
A
SHOULDER
SIDEWALK
SHOULDER
B
AC
ASSEMBLY LOCATION
SIDEWALKS
ALL SIGNS AND SHIELDS ON DIRECTIONAL ASSEMBLIES SHALL ABUT VERTICALLY.
DIM."B"
DIM."C"
1 OR AS DIRECTED BY THE ENGINEER
DIM."A"
2 3
4 5
TYPICAL SIGN PLACEMENT DETAIL
OR OTHER OBSTRUCTIONS LIMIT VISIBILITY
MIN SIGN
HEIGHT
MIN LATERAL
OFFSET
MIN PLAQUE
HEIGHT
BUSINESS & RESIDENTIAL AREAS WHERE PARKING
3"
3"
A
RETROREFLECTIVE STRIP DETAIL
48" LONG OR LESS:
RETROREFLECTIVE STRIPS
OVER 48" LONG:
RETROREFLECTIVE STRIPS
3"
3"
A/2
A/2
THE SUPPORT FROM THE BOTTOM OF THE SIGN TO WITHIN 2 FT ABOVE THE EDGE OF THE ROADWAY.
IF A RETFOREFLECTIVE STRIP IS USED ON SIGN SUPPORT, IT SHALL BE PLACED FOR THE FULL LENGTH OF
7'
2'
12'
6'
7'
6'
4'
5'
2 8 FT MINIMUM HEIGHT REQUIRED IF A SUPPLEMENTAL PLAQUE IS SUBMOUNTED BELOW THE MAJOR SIGN.
12 FT FROM EDGE OF TRAVELWAY, WHEN SHOULDER IS LESS THAN 6 FT WIDE.
6 FT FROM EDGE OF SHOULDER, WHEN SHOULDER IS OVER 6 FT WIDE
5 A CLEAR PATH OF NOT LESS THAN 4 FT SHALL BE PROVIDED IN SIDEWALK AREAS.
IS LIMITED OR WHERE EXISTING UTILITY POLES ARE CLOSE TO THE CURB.
A LATERAL OFFSET OF AT LEAST 1 FT FROM THE FACE OF THE CURB MAY BE USED WHERE SIDEWALK WIDTH
2' (MAX)
2' (MAX)
5'
7'
7'
2'
2'
RETROREFLECTIVE STRIP DETAILS
TYPICAL PLACEMENT OF OVERHEAD SIGNS ON SIGN SUPPORTS
NOTES:
"DO NOT ENTER" SIGNS SHALL BE RED.
OF THE SIGN, EXCEPT THAT THE COLOR OF THE STRIP FOR "YIELD" AND
RETROREFLECTIVE STRIP COLOR SHALL MATCH THE BACKGROUND COLOR
NOTES:
18' MIN.
WITHIN CLEAR ZONE.
DEFLECTION AREA.
BREAKAWAY SIGN SUPPORTS AS FOLLOWS:
FOR MAXIMUM EFFECTIVENESS, POSITION SIDE MOUNTED SIGNS ON STRUCTURAL STEEL
LINE BETWEEN THE SIGN AND THE POINT AT WHICH THE SIGN SHALL BE READ.
PLUMB AND THE HORIZONTAL AXIS IS AT AN ANGLE OF 90° WITH A STRAIGHT
ON A HORIZONTAL CURVE SECTION, POSITION THE SIGN SO THE VERTICAL AXIS IS
2) BARRIER SYSTEMS MAY BE REQUIRED FOR BOTH SIDES OF SUPPORTS IN MEDIANS.
4) SIGN SUPPORT FOUNDATIONS SHALL BE LOCATED OUTSIDE OF BARRIER SYSTEMS
AND SIGN MOUNTING DETAILS" FOR MOUNTING DETAILS.
REFER TO STANDARD SHEET No. TR-1208_02 "METAL SIGN POSTS
THE DETAILS ABOVE.
48 IN LONG SHALL BE ATTACHED USING 3 BOLTS AS SHOWN ON
BE ATTACHED USING 2 BOLTS AND RETROREFLECTIVE STRIPS OVER
RETROREFLECTIVE STRIPS WHICH ARE 48 IN LONG OR LESS SHALL
OR FACE OF CURB
EDGE OF SHOULDER
EDGE OF TRAVELWAY
OR FACE OF CURB
EDGE OF SHOULDER
EDGE OF TRAVELWAY
OR FACE OF CURB
EDGE OF SHOULDER
EDGE OF TRAVELWAY
SIGN PLACEMENT AND
PARKING SIGNS TYPICALLY USE 45° MOUNTING BRACKET.
SHALL BE TURNED APPROXIMATELY 3° TOWARD THE ROAD.
THE SIGN SERVES. SIGNS LOCATED 30 FT OR MORE FROM THE EDGE OF THE ROAD
THE HORIZONTAL AXIS IS AT AN ANGLE OF 90° WITH THE TRAFFIC LANE WHICH
ON A TANGENT SECTION, POSITION THE SIGN SO THE VERTICAL AXIS IS PLUMB AND
SIGN POSTS AND SIGN MOUNTING.
REFER TO STANDARD SHEET No. TR-1208_02 "METAL SIGN POSTS AND SIGN MOUNTING DETAILS" FOR
5' 2' N/A
4' 2'
SIGNS IN RURAL AREAS
DO NOT ENTER AND WRONG WAY SIGNS ALONG EXIT RAMPS
DO NOT ENTER AND WRONG WAY SIGNS ON LIMITED ACCESS HIGHWAYS
CENTRAL ISLANDS OF ROUNDABOUTS
STRUCTURAL STEEL BREAKAWAY SIGN SUPPORTS
FOR SIDE MOUNTED SIGNS ON
SIGNS ON FREEWAYS AND EXPRESSWAYS EXCEPT CHEVRON ALIGNMENT SIGNS,
FREEWAYS, EXPRESSWAYS, RAMPS, AND IN RURAL AREAS
CHEVRON ALIGNMENT SIGNS LOCATED ON
ONE-DIRECTION LARGE ARROW SIGNS LOCATED ON
FREEWAYS, EXPRESSWAYS, RAMPS, AND IN RURAL AREAS
4'
AND WRONG WAY SIGNS
ONE-DIRECTION LARGE ARROW SIGNS, DO NOT ENTER SIGNS,
4-2017 MINOR REVISIONS.
2"
MIN
2"
MIN
4' N/A
INCIDENT MANAGEMENT SIGNS AND MILE POST MARKER ASSEMBLIES
LOCATED ON FREEWAYS AND EXPRESSWAYS312'
6'
8-2018 INCLUDED INCIDENT MANAGEMENT AND MILE MARKER SIGNS.
Mark F. Makuch, P.E.
2018.08.17 09:06:06-04'00'
Mark F. Carlino, P.E.
2018.08.21 07:48:06-04'00'
2"
TYPICAL METAL SIGN POSTS
SIGN PANEL
NYLON WASHER
AA
CC
SECTION C-C
SECTION A-A
TAPER
SIGN PANEL
NYLON WASHER
DIRECTION
OF TRAVEL
42''
GROUND
LINE
S I G
N
S T
FF
B A
S E
S
T
FF
BREAKAWAY
SIGN POST
SUB-BASE
SCHEDULE 40 OR 80
PVC
G G
TAPER
GENERAL NOTES:
SELF LOCKING NUT WITH
SIGN PANEL
3„"
TYPICAL SLEEVE
FOR PAVED AREAS
OR CONCRETE
BITUMINOUS
DIRECTION
OF TRAVEL
BOLT WITH FLAT WASHER,
REQUIREMENTS CONTAINED IN THE CURRENT "STANDARD SPECIFICATIONS FOR
6. ALL SIGN POSTS SHALL HAVE BREAKAWAY FEATURES THAT MEET AASHTO
SHALL BE IN ACCORDANCE WITH MANUFACTURERS RECOMMENDATIONS.
THE BREAKAWAY FEATURES SHALL BE STRUCTURALLY ADEQUATE TO CARRY THE
STRUCTURAL SUPPORTS FOR HIGHWAY SIGNS, LUMINAIRES AND TRAFFIC SIGNALS."
2. AFTER FABRICATION, ALL STEEL POSTS, STRAPS AND PLATES SHALL BE
SIDEWALK
LIGHTLY
COMPACTED FILL
HEX HEAD BOLT
RADII SHALL BE AS SMALL AS PRACTICAL
PLASTIC OR FIBER INSERT.
•" I.D. X •" O.D. X ˆ" THICK
•" I.D. X †" O.D. X •" THICK
LENGTH AS REQUIRED
METAL DELINEATOR POST
6'-6''
3" (75)
HEX HEAD
WASHER •" I.D. X •" O.D. X ˆ" THICK
SELF LOCKING NUT WITH PLASTIC OR FIBER INSERT
…" I.D. X †" O.D. X •" THICK
TYPICAL BACK TO BACK SIGN PANEL ATTACHMENT
SELF LOCKING NUT WITH PLASTIC OR FIBER INSERT
HEX HEAD
TYPICAL BACK-UP PLATE
NYLON WASHER
…" I.D. X †" O.D. X •" THICK
WASHER •" I.D. X •" O.D. X ˆ" THICK
SECTION F-F
LOCK WASHER AND HEX NUT.
CADMIUM PLATED HEX HEAD
LENGTH
OR
AS
REQUIRED
STAINLESS STEEL WASHER
STEEL FOR ALL OTHER POSTS SHALL CONFORM TO THE MECHANICAL
REQUIREMENTS OF ASTM A 499 GRADE 80 AND TO THE CHEMICAL
REQUIREMENTS OF ASTM A1 CARBON STEEL TEE RAIL HAVING NOMINAL
3. WASHERS FOR BREAKAWAY INSTALLATIONS SHALL MEET ASTM F436, TYPE 1.
5. ALL BOLTS, NUTS, AND WASHERS FOR BREAKAWAY INSTALLATIONS SHALL BE
ALLOY GROUP 1 OR 2 (ALLOY TYPES 304 OR 316).
BOLTS - STAINLESS STEEL CONFORMING TO ASTM F593,
WASHERS - STAINLESS STEEL CONFORMING TO ASTM A240,
SELF LOCKING NUTS - STAINLESS STEEL CONFORMING TO ASTM F594,
ALLOY GROUP 1 OR 2 (ALLOY TYPES 304 OR 316).
5" LONG X ƒ" WIDE X •" Thk.
TYPICAL SIGN PANEL ATTACHMENT
(ALLOY TYPES 304 OR 316).
2-2011 MINOR REVISIONS.
METAL SIGN POSTS
AND SIGN MOUNTING DETAILS
HOLES 1" O.C.
…" DIA.
1"
1"
3"
Š" DIA. GRADE 9
4''
2"
3•"
…" DIA. HOLE
BACK-UP PLATE „" THICK
Š" BOLT
BACK-UP PLATE „" THICK
Š" BOLT
30 - …" DIA.
HOLES 1" O.C.
ƒ''
‡" MIN.
2" MIN.
1" MIN.
6" POLYVINYL CHLORIDE CONDUIT
6"
…" DIA. HOLE
1"
6‚"
5"
5"
" T
Y P
…" DIA. HOLE
Š" X 1"
.080 THICK ALUMINUM
DIRECTION
OF TRAVEL
SIGN POST
BREAKAWAY
SUB-BASE
GROUND LINE
LEDGE
B A
S E
P
O S
T
MATERIAL
SUB-BASE
COMPACTED
TYPICAL SIGN POST INSTALLATION IN LEDGE
WEIGHT (MASS) OF 91 LBS. OR GREATER PER LINEAR YARD.
GALVANIZED TO MEET THE REQUIREMENTS OF ASTM A123.
1. STEEL FOR DELINEATOR POSTS SHALL BE ASTM A36 STEEL.
GALVANIZED TO MEET THE REQUIREMENTS OF ASTM A153.
SIGNS SHOWN IN THE PLANS AT 60 mph WIND LOADINGS. INSTALLATIONS
VARIES
VARIES
REV. DATE REVISION DESCRIPTION Plotted Date:
OF WORK WHICH WILL BE REQUIRED.
THE CONDITIONS OF ACTUAL QUANTITIES
IN NO WAY WARRANTED TO INDICATE
INVESTIGATIONS BY THE STATE AND IS
SHEETS IS BASED ON LIMITED
QUANTITIES OF WORK, SHOWN ON THESE
THE INFORMATION, INCLUDING ESTIMATED
6/6/2017
NOT TO SCALE
DEPARTMENT OF TRANSPORTATION
STATE OF CONNECTICUT
TR-1208_02_May_2017_Revision.dgnFilename: Model:
TR-1208_02
NAME/DATE/TIME:
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STANDARD SHEET TITLE: GUIDE SHEET NO.:
CTDOT
OFFICE OF ENGINEERING
TR-1208_02
BREAKAWAY INSTALLATION
4" MIN
LEDGE SHALL BE REMOVED TO DRIVE THE BASE POST TO A DEPTH OF 38".
HOLE SHALL BE FILLED WITH SUB-BASE MATERIAL AND COMPACTED WITH A TAMPING
BAR, OR TECHNIQUE APPROVED BY THE ENGINEER, PRIOR TO BASE POST INSTALLATION.
42"
B A
S E
P
O S
T
WT./FT. = 1.12 LBS./FT. MIN.
FOR 4 LBS./FT. POSTS
45° MOUNTING BRACKET
REVEAL
4" MAX
EMBEDMENT
38" MINREVEAL
4" MAX
EMBEDMENT
38'' MIN
4. SPACER BAR FOR BREAKAWAY INSTALLATION SHALL CONFORM TO
THE MECHANICAL REQUIREMENTS OF ASTM A36.
7. SIGN POSTS SHALL BE 4 LBS./FT.
6-2017 SIGN POST REVISIONS.
GALVANIZED STEEL
BAR SPACER
OR ANOTHER BREAKAWAY SYSTEM
CRASH TEST REQUIREMENTS
FOR 4 LB/FT POSTS
THAT MEETS MASH OR NCHRP 350
DIA
3•"
1Š"
REVEAL
4" MAX
ƒ"
TYP.
SELF LOCKING NUT WITH
PLASTIC OR FIBER INSERT.
•" I.D. X •" O.D. X ˆ" THICK
STAINLESS STEEL WASHER
FOR INSTALLATION OF PARKING SIGNS
NYLON WASHER
•" I.D. X †" O.D. X •" THICK
Š" HEX HEAD BOLT
EMBEDMENT
24'' MIN
GROUND
LINE
Mark F. Makuch, P.E.
2017.06.07 07:30:30-04'00'
Mary E. Baker, P.E.
2017.06.13 15:28:14-04'00'
Gregory M. Dorosh, P.E.
2017.06.15 09:27:29-04'00'
| TR-STD_INDEX |
| TR_1000_01 |
| TR_1001_01 |
| TR_1102_01 |
| TR_1107_01 |
| TR_1208_01 |
| TR_1208_02 |
| rsacchi@gm2inc.com | |
| 2026-10-29T08:43:08-0400 | |
| GM2 Associates, Inc. | |
| Ronald Sacchi | |
| I am approving this document |
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