TxDOT Specifications

1995 Standard Specifications Book

Last Update (04/22/2002)

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DIVISION VI - LIGHTING AND SIGNING

Table Of Contents

610 ROADWAY ILLUMINATION ASSEMBLIES
611 REMOVING ROADWAY ILLUMINATION ASSEMBLIES
612 RELOCATING ROADWAY ILLUMINATION ASSEMBLIES
613 HIGH MAST ILLUMINATION POLES
614 HIGH MAST ILLUMINATION ASSEMBLIES
616 PERFORMANCE TESTING OF LIGHTING SYSTEMS
618 CONDUIT
620 ELECTRICAL CONDUCTORS
622 DUCT CABLE
624 GROUND BOXES
625 ZINC-COATED STEEL WIRE STRAND
627 TREATED TIMBER POLES
628 ELECTRICAL SERVICES
629 REMOVING SERVICE POLES
634 PLYWOOD SIGNS (TYPE A)
636 ALUMINUM SIGNS (TYPE A)

ITEM NO. - TITLE AND REQUIREMENTS

610 - ROADWAY ILLUMINATION ASSEMBLIES

SPECIFICATION REQUIREMENTS
1) Locations and types of roadway illumination assemblies must be shown on the plans.
2) Foundations for roadway illumination assemblies will be constructed to the details shown on 
    the plans and will be paid for under Item 656.
3) The following Statewide Standard Details Sheets are required for the fabrication and installation of
    roadway illumination assemblies:

  • ED(1)-00(M)    Electrical Details - Conduit
  • ED(2)-00(M)    Electrical Details - Conductors
  • RID(1)-98(M)    Roadway Illumination Details
  • RID(2)-98(M)    Roadway Illumination Details
  • RID(3)-98(M)    Roadway Illumination Details
  • RID(4)-98(M)    Roadway Illumination Details

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Roadway Illumination Assemblies (Type Specified)" EA

REFERENCE ITEMS
(441, 442, 445, 447, 449, 616, 620, 656)

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611 - REMOVING ROADWAY ILLUMINATION ASSEMBLIES

SPECIFICATION REQUIREMENTS
1) Locations and types of roadway illumination assemblies to be removed must be shown on the plans.
2) The following Statewide Standard Details Sheets are required for removing roadway illumination assemblies:

  • ED(1)-00(M)     Electrical Details - Conduit
  • ED(2)-00(M)     Electrical Details - Conductors, Ground Boxes
  • RID(1)-98(M)    Roadway Illumination Details
  • RID(2)-98(M)    Roadway Illumination Details

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Removing Roadway Illumination Assemblies (Type Specified)" EA

REFERENCE ITEMS
(624)

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612 - RELOCATING ROADWAY ILLUMINATION ASSEMBLIES

SPECIFICATION REQUIREMENTS
1) Locations and types of roadway illumination assemblies to be relocated must be shown
    on the plans.
2) The roadway illumination assemblies will be reinstalled at locations shown on the plans.
3) The new foundations for the relocated roadway illumination assemblies will be constructed
    to the details shown on the plans and will be paid for under Item 656.
4) The following Statewide Standard Details Sheets are required for the details for the installation
    of relocating roadway illumination assemblies:

  • ED(1)-00(M)    Electrical Details - Conduit
  • ED(2)-00(M)    Electrical Details - Conductors, Ground Boxes
  • RID(1)-98(M)    Roadway Illumination Details
  • RID(2)-98(M)    Roadway Illumination Details
  • RID(3)-98(M)    Roadway Illumination Details
  • RID(4)-98(M)    Roadway Illumination Details

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Relocating Roadway Illumination Assemblies (Type Specified)" EA

REFERENCE ITEMS
(445, 610, 616, 618, 620, 622, 656)

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613 - HIGH MAST ILLUMINATION POLES

SPECIFICATION REQUIREMENTS
1) The locations, design wind speed and heights of the high mast illumination poles must be
    shown on the plans.
2) Foundations for the high mast illumination poles will be constructed to the details shown
    on the plans and will be paid for under Item 416.
3) All pole shaft sections will be match-marked as shown on the plans.
4) If desired, details for riprap around pole foundations will be shown on the plans.
5) For optional pole designs, the top pole diameter and the top attachment plate will be as
    shown on the plans and the bottom of the pole will be compatible with the foundation
    details shown on plans.
6) The following Statewide Standard Details Sheets are required for the fabrication and
    installation of high mast illumination poles:

  • HMIP(1)-98(M)    High Mast Illumination Poles
        and HMIP(2)-98(M)
  • HMIF(1)-98(M)    High Mast Illumination Pole Foundations
        and HMIF(2)-98(M)

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "High Mast Illumination Poles (Height Specified)
(Design Wind Speed Specified)" EA

REFERENCE ITEMS
(416, 441, 442, 445, 449, 618)

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614 - HIGH MAST ILLUMINATION ASSEMBLIES

SPECIFICATION REQUIREMENTS
1) Locations and types of high mast illumination assemblies must be shown on the plans.
2) The airway-highway clearance must be approved by the FAA if located near an airport and the
    high mast illumination assemblies protrude into the navigable air space.  This should be handled
    in the early stages of plan development.
3) The following Statewide Standard Details Sheets are required for the fabrication and installation
    of high mast illumination assemblies:

  • HMID(1-10)-96(M)   High Mast Illumination Details (10 sheets)

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "High Mast Illumination Assemblies (Type Specified)" EA

REFERENCE ITEMS
( 441, 445, 616)

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616 - PERFORMANCE TESTING OF LIGHTING SYSTEMS

SPECIFICATION REQUIREMENTS
1) Performance testing is required for roadway lighting fixtures, high mast lighting fixtures,
    and sign lighting fixtures.

OPTIONAL REQUIREMENTS
None

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

REFERENCE ITEMS
(618, 620, 622)

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618 - CONDUIT

SPECIFICATION REQUIREMENTS
1) Types, sizes and length of conduits must be shown on the plans.
2) The locations for the placement of conduits will be shown on the plans or as approved by the Engineer.
3) This is a plans quantity measurement Item.
4) The following Statewide Standard Details Sheets are required for the placement of conduit:

  • ED(1)-00M)    Electrical Details - Conduit
  • ED(2)-00(M)    Electrical Details - Conductors, Ground Boxes
PAYMENT DESCRIPTION UNITS
1) "Conduit (Type and Size Specified)" M

REFERENCE ITEMS
(400, 476)

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620 - ELECTRICAL CONDUCTORS

SPECIFICATION REQUIREMENTS
1) The size, type and length of electrical conductors must be shown on the plans.
2) This is a plans quantity measurement Item.
3) The following Statewide Standard Details Sheets are required for the placement of electrical conductors:

  • ED(1)-00(M)    Electrical Details - Conduit
  • ED(2)-00(M)    Electrical Details - Conductors, Ground Boxes

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Electrical Conductors (Size Specified) (Type Specified)" M

REFERENCE ITEMS
None

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622 - DUCT CABLE

SPECIFICATION REQUIREMENTS
1) The types, sizes and length of duct cable must be shown on the plans.
2) If the duct cable is placed by open trench methods, the location and depth of trench must 
    be shown on the plans.
3) This is a plans quantity measurement Item.
4) The following Statewide Standard Details Sheets are required for the placement of duct cable:

  • ED(1)-00(M)    Electrical Details - Conduit
  • ED(2)-00(M)    Electrical Details - Conductors, Ground Boxes
  • ED(10)-00(M)   Electrical Details - Duct Cable

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Duct Cable (Type and Size Specified)" M

REFERENCE ITEMS
(400, 620)

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624 - GROUND BOXES

SPECIFICATION REQUIREMENTS
1) The types and sizes of the ground boxes complete with lids must be shown on the plans.
2) Locations of the ground boxes must be shown on the plans.
3) A concrete apron can be provided when shown on the plans.
4) The following Statewide Standard Details Sheets are required for design details and installation
    of ground boxes:

  • ED(1)-00(M)    Electrical Details - Conduit
  • ED(2)-00(M)    Electrical Details - Conductors, Ground Boxes

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Ground Boxes (Type Specified) (Size Specified)" EA

REFERENCE ITEMS
(421, 440)

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625 - ZINC-COATED STEEL WIRE STRAND

SPECIFICATION REQUIREMENTS
1) The diameter sizes of the zinc-coated steel wire strands must be shown on the plans.
2) Installation of the zinc-coated steel wire strands must be shown on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT AND MEASUREMENT
Subsidiary to the various bid items in the contract.  
*If special provision 625-001 is used, the following payment and measurement apply.

PAYMENT DESCRIPTION UNITS
*1) "Zinc-Coated Steel Wire Strand (Size Specified)" M

REFERENCE ITEMS
None

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627 - TREATED TIMBER POLES

SPECIFICATION REQUIREMENTS
1) The types and lengths of the treated timber poles must be shown on the plans.
2) The treated timber poles will be installed at locations shown on the plans or
    as directed 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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628 - ELECTRICAL SERVICES

SPECIFICATION REQUIREMENTS
1) The types of electrical services must be shown on the plans.
2) The following Statewide Standard Detail Sheets are required for the installation of electrical services:

  • ED(1)-00(M)    Electrical Details - Conduit
  • ED(2)-00(M)    Electrical Details - Conductors, Ground Boxes

3) The following Statewide Standard Details Sheets are available for the installation of electrical services
    of the types shown on the plans:

  • ED(3-10)-00(M)    Electrical Details

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Electrical Services (Type Specified)" EA

REFERENCE ITEMS
(441, 445, 449, 618, 620, 627, 656)

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629 - REMOVING SERVICE POLES

SPECIFICATION REQUIREMENTS
1) The locations of the service poles to be removed must be shown on the plans.
2) All splices, where permitted or required, will be made in ground boxes or as
    shown on the plans.
3) Any materials removed and designated for reuse or retention by the State must be
    shown on the plans.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Removing Service Poles" EA

REFERENCE ITEMS
None

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634 - PLYWOOD SIGNS (TYPE A)

SPECIFICATION REQUIREMENTS
1) The location and details of the fabrication and erection of the plywood signs must be
    shown on the plans.
2) The types and sizes of the plywood signs must be shown on the plans.
3) Sign faces will be of the colors and types shown on the plans.
4) Sign messages will be of the sizes, types and colors shown on the plans.
5) The contractor's working drawings for signs requiring the use of a removable legend will
    conform to the details shown on the plans.
6) Sign blanks will be of the sizes and shapes shown on the plans.
7) This is a plans quantity measurement Item.

OPTIONAL REQUIREMENTS
None

PAYMENT DESCRIPTION UNITS
1) "Plywood Signs (Type A) (Type Specified) (Size Specified)" M2

REFERENCE ITEMS
(636, 643)

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636 - ALUMINUM SIGNS (TYPE A)

SPECIFICATION REQUIREMENTS
1) The location and details of the fabrication and erection of the aluminum signs must be
    shown on the plans.
2) The types and sizes of the aluminum signs must be shown on the plans.
3) Sign blanks substrates will be of the sizes and thickness shown on the plans.
4) Sign faces will be of the colors and types shown on the plans.
5) Sign messages will be of the sizes, types and colors shown on the plans.
6) This is a plans quantity measurement Item.

PAYMENT DESCRIPTION UNITS
1) "Aluminum Signs (Type A) (Type and Size Specified)" M2

REFERENCE ITEMS
(643)

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