TxDOT Specifications

1993 Statewide Special Specifications

(Items 6001 to 6995)

Last Updated (01/27/2003)

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Table Of Contents

6001 DIGITAL LOOP VEHICLE DETECTOR UNIT
6002 FLASHER CONTROLLER ASSEMBLY
6003 VEHICLE LOOP WIRE SEALANT
6004 THREE CONDUCTOR NEUTRAL SUPPORTED SECONDARY CABLE (TRIPLEX)
6005 PROGRAMMABLE SIGNAL HEADS
6007 ROADWAY LIGHTING ON TRAFFIC SIGNAL POLE
6009 ROADSIDE FLASHING BEACON ASSEMBLIES
6010 SALVAGING TRAFFIC SIGNALS
6011 TEMPORARY LIGHTING SYSTEM
6012 REMOVING AND REPLACING ROADWAY LUMINAIRES
6013 STEEL MAST ARM POLE ASSEMBLIES FOR SIGNS
6014 REMOVAL, TEMPORARY RELOCATION AND PERMANENT REINSTALLATION OF SIGN ASSEMBLIES
6015 REMOVING OVERHEAD SIGNS
6016 REMOVING OVERHEAD SIGN LIGHTING FIXTURES
6017 REMOVING AND RELOCATING OVERHEAD SIGH BRIDGES
6018 STRENGTHENING OVERHEAD SIGN SUPPORT STRUCTURES
6019 REMOVE AND INSTALL EXISTING SIGN PANELS
6031 COMMUNICATION CABLE
6032 HORIZONTAL SIGN LIGHT
6210 INTERNALLY LIGHTED STREET NAME SIGNS
6380 REFLECTORIZED PROFILE PAVEMENT MARKINGS
6401 CLOSED LOOP TRAFFIC SIGNAL SYSTEM
6504 TESTING, TRAINING, DOCUMENTATION AND WARRANTY
6505 SURVEILLANCE SYSTEM LOOP DETECTORS
6519 DIGITAL CARD RACK DETECTOR ASSEMBLY (8 SLOT RACK)
6670 PORTABLE CHANGEABLE MESSAGE SIGN
6995 PREFABRICATED PAVEMENT MARKINGS WITH WARRANTY

ITEM NO. - TITLE AND REQUIREMENTS

6001 - DIGITAL LOOP VEHICLE DETECTOR UNIT

SPECIFICATION REQUIREMENTS
1) The locations for Digital Loop Vehicle Unit will be of the type noted on the plans or designated by the Engineer.

OPTIONAL REQUIREMENTS
None

PAYMENT AND MEASUREMENT
Subsidiary to the various bid items in the contract.

REFERENCE ITEMS
None

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6002 - FLASHER CONTROLLER ASSEMBLY

SPECIFICATION REQUIREMENTS
1) The locations for Flasher Controller Assembly will be of the type noted on the plans or designated by the Engineer.

OPTIONAL REQUIREMENTS
None

PAYMENT AND MEASUREMENT
Subsidiary to the various bid items in the contract.

REFERENCE ITEMS
None

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6003 - VEHICLE LOOP WIRE SEALANT

SPECIFICATION REQUIREMENTS
1) The locations for Vehicle Loop Wire Sealant will be of the type noted on the plans or approved by the Engineer.

OPTIONAL REQUIREMENTS
None

PAYMENT AND MEASUREMENT
Subsidiary to the various bid items in the contract.

REFERENCE ITEMS
None

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6004 - THREE CONDUCTOR NEUTRAL SUPPORTED SECONDARY CABLE (TRIPLEX)

SPECIFICATION REQUIREMENTS
1) The locations for Three Conductor Neutral Supported Secondary Cable (Triplex) will be of the type noted on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT AND MEASUREMENT
Subsidiary to the various bid items in the contract.

REFERENCE ITEMS
(680)

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6005 - PROGRAMMABLE SIGNAL HEADS

SPECIFICATION REQUIREMENTS
1) The locations for Programmable Signal Heads will be of the type noted on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Programmable Signal Section" EA

REFERENCE ITEMS
None

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6007 - ROADWAY LIGHTING ON TRAFFIC SIGNAL POLE

SPECIFICATION REQUIREMENTS
1) The locations for Roadway Lighting on Signal Pole will be of the type noted on the plans.
2) Poles and mast arms for roadway lighting on traffic signal poles will be paid for under Item 686.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Roadway Lighting on Traffic Signal Pole" EA

REFERENCE ITEMS
(610, 620, 628)

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6009 - ROADSIDE FLASHING BEACON ASSEMBLIES

SPECIFICATION REQUIREMENTS
1) The locations for Roadside Flashing Beacon Assemblies will be of the type noted on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Roadside Flashing Beacon Assemblies" EA

REFERENCE ITEMS
(441, 442, 445, 446, 447, 449, 618, 620)

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6010 - SALVAGING TRAFFIC SIGNALS

SPECIFICATION REQUIREMENTS
1) The locations for Salvaging Traffic Signals will be of the type noted on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Salvaging Traffic Signals" EA

REFERENCE ITEMS
None

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6011 - TEMPORARY LIGHTING SYSTEM

SPECIFICATION REQUIREMENTS
1) The locations for Temporary Lighting System will be of the type noted on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Temporary Lighting System" LS

REFERENCE ITEMS
(618, 620, 622, 624, 627, 628)

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6012 - REMOVING AND REPLACING ROADWAY LUMINAIRES

SPECIFICATION REQUIREMENTS
1) The locations for Removing and Replacing Roadway Luminaires will be of the type noted
on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Removing and Replacing Roadway Luminaires" EA

REFERENCE ITEMS
(610, 616, 618, 620)

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6013 - STEEL MAST ARM POLE ASSEMBLIES FOR SIGNS

SPECIFICATION REQUIREMENTS
1) The locations for Steel Mast Arm Assemblies shall be as shown on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Steel Mast Arm Assemblies for Signs" EA

REFERENCE ITEMS
(686)

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6014 - REMOVAL, TEMPORARY RELOCATION AND PERMANENT REINSTALLATION OF SIGN ASSEMBLIES

SPECIFICATION REQUIREMENTS
1) The locations for Removal, Temporary Relocation and Permanent Reinstallation of Sign Assemblies will be of the type noted on the plans or as directed by the Engineer.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Removal and Reinstallation of Sign Assembly with 12 Inch Foundations" EA
2) "Removal and Reinstallation of Sign Assembly with 24 Inch Foundations" EA

REFERENCE ITEMS
(646, 647, 656)

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6015 - REMOVING OVERHEAD SIGNS

SPECIFICATION REQUIREMENTS
1) The locations for Removing Overhead Signs will be of the type noted on the plans or as directed by the Engineer.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Removing Overhead Signs" EA

REFERENCE ITEMS
None

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6016 - REMOVING OVERHEAD SIGN LIGHTING FIXTURES

SPECIFICATION REQUIREMENTS
1) The locations for Removing Overhead Lighting Fixtures will be of the type noted on the plans or as directed by the Engineer.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Removing Overhead Sign Lighting Fixtures" EA

REFERENCE ITEMS
None

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6017 - REMOVING AND RELOCATING OVERHEAD SIGN BRIDGES

SPECIFICATION REQUIREMENTS
1) The locations for Removing and Relocating Overhead Sign Bridges will be of the type noted on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Removing and Relocating Sign Bridges" EA

REFERENCE ITEMS
(416)

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6018 - STRENGTHENING OVERHEAD SIGN SUPPORT STRUCTURES

SPECIFICATION REQUIREMENTS
1) The locations for Strengthening Overhead Sign Support Structures will be of the type noted on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Strengthening Overhead Sign Support Structures" EA

REFERENCE ITEMS
(441, 442)

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6019 - REMOVE AND INSTALL EXISTING SIGN PANELS

SPECIFICATION REQUIREMENTS
1) The locations for Remove and Install Existing Sign Panels will be of the type noted on the plans.

OPTIONAL REQUIREMENTS
1) When new sign lights are required, they shall be in accordance with Item 652.
2) When new sign walkways are required, they shall be in accordance with Item 654.

PAYMENT DESCRIPTION UNITS
1) "Remove and Install Existing Sign Panels (Overhead)" EA

REFERENCE ITEMS
(634, 636, 642)

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6031 - COMMUNICATION CABLE

SPECIFICATION REQUIREMENTS
1) The locations for Communication Cable will be of the type noted on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Communication Cable (Type and Size Specified)" LF

REFERENCE ITEMS
(625)

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6032 - HORIZONTAL SIGN LIGHT

SPECIFICATION REQUIREMENTS
1) The locations for Horizontal Sign Lights will be of the type noted on the plans.
2) The exterior of the sign light shall be finished with two (2) coats of Federal yellow gloss enameland the interior with two (2) coats of white gloss enamel.
3) The sign light shall be approximately 37 inches long so as to mount under a three section 12 inch signal without extending beyond the mounting hardware of the signal assembly.

OPTIONAL REQUIREMENTS
None

PAYMENT AND MEASUREMENT
Subsidiary to the various bid items in the contract.

REFERENCE ITEMS
(616)

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6210 INTERNALLY LIGHTED STREET NAME SIGNS

SPECIFICATION REQUIREMENTS
1) The locations for Internally Lighted Street Name Signs attached to traffic signal poles will be as shown on the plans.
2) Signs shall have single side message or double side message as shown on the plans.
3) The internally lighted street name sign shall be powered from the same service pole that provides power to the traffic signal on which the sign is mounted. Contractor shall install 20 amp circuit breaker and photocell when necessary.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Internally Lighted Street Name Signs (Type and Size Specified)" EA

REFERENCE ITEMS
None

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6380 - REFLECTORIZED PROFILE PAVEMENT MARKINGS

SPECIFICATION REQUIREMENTS
1) The locations for Reflectorized Profile Pavement Markings will be of the type noted on the plans.
2) Type I Profile Markings are thermoplastic type materials that require heating to elevated temperatures for application.
3) Type II Profile Markings are paint-type materials that are applied at ambient or slightly elevated temperatures.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Reflectorized Profile Pavement Markings (Type, Color, Size LF
and Width Specified)"

REFERENCE ITEMS
(666, 677, 678)

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6401 - CLOSED LOOP TRAFFIC SIGNAL SYSTEM

SPECIFICATION REQUIREMENTS
1) The locations for Closed Loop Traffic Signal System will be as shown on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT AND MEASUREMENT
Subsidiary to the various bid items in the contract.

REFERENCE ITEMS
None

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6504 - TESTING, TRAINING, DOCUMENTATION AND WARRANTY

SPECIFICATION REQUIREMENTS
1) The Engineer will accept certification from an independent testing lab that the Design Approval Test has been satisfactorily completed.
2) The Engineer shall be notified a minimum of ten (10) working days before tests are to be conducted.
3) The Engineer and/or his representative reserves the right to witness all tests.

OPTIONAL REQUIREMENTS
None

PAYMENT AND MEASUREMENT
Subsidiary to the various bid items in the contract.

REFERENCE ITEMS
None

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6505 - SURVEILLANCE SYSTEM LOOP DETECTORS

SPECIFICATION REQUIREMENTS
1) The locations for Surveillance System Loop Detectors will be as shown on the plans.
2) Pavement cuts shall be made to a depth of two (2) inches unless otherwise shown on the plans or directed by the Engineer.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Detector Loop (Size Specified)" EA

REFERENCE ITEMS
(684, 688)

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6519 - DIGITAL CARD RACK DETECTOR ASSEMBLY (8 SLOT RACK)

SPECIFICATION REQUIREMENTS
1) The locations for Digital Card Rack Detector Assemblies will be of as shown on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Detector Unit" EA
2) "Detector Card Rack (8 Slot)" EA
3) "Power Supply" EA

REFERENCE ITEMS
None

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6670 - PORTABLE CHANGEABLE MESSAGE SIGN

SPECIFICATION REQUIREMENTS
1) The location and operation of of these unit(s) for the various stages of construction shall be as indicated under the provisions for traffic handling provided in the contract, as shown on the plan details, or as directed by the Engineer.
2) The sign control circuitry shall provide for the permanent storage of a minimum of 15 pre-programmed messages, the text of which shall be as shown on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Portable Changeable Message Signs (Type Specified)" DAY

REFERENCE ITEMS
None

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6995 - PREFABRICATED PAVEMENT MARKINGS WITH WARRANTY

SPECIFICATION REQUIREMENTS
1) The locations and type of Prefabricated Pavement Markings will be noted on the plans or as directed by the Engineer.
2) Markings may be placed on roadways either free of traffic or open to traffic.
3) Waste generated by this work shall be removed from the job site before the end of each working day.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Pavement Markings with Warranty (Type, Color, Shape, Size LF
and Width Specified)"

REFERENCE ITEMS
(677)

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