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Division 600 — Incidental Construction

645Signs

NY · 2026 (Jan) Standard Specifications✓ Full text on BuildSpecBook pages 917–927 Save this section

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SECTION 645 - SIGNS (Last Revised September 2021)

645-1 01

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 2026 VOLUME 3

645-1 DESCRIPTION. This work shall consist of fabricating, installing and covering traffic sign

panels, sign support systems, sign posts, and illuminated sign panels in accordance with the contract documents, standard sheets, the MUTCD and as directed by the Engineer.

645-1.01 Definitions. The following definitions shall apply to all work equipment and materials included

under this section:

A.Sign Face - the side of a sign panel with reflective sheeting attached.
B.Sign Face Layout - a dimensional representation of the sheeting mounted on the sign panel.
C.Sign Panel - a uniform sheet of aluminum or fiberglass reinforced plastic with reflective sheeting mounted on it. It may be constructed with or without additional sheets of aluminum or fiberglass reinforced plastic attached on the larger sheet. Multiple sheets of aluminum or fiberglass reinforced plastic may be used provided the sheets are of a uniform material and thickness and not separated.
D.Sign Panel Assembly - a group of contiguous sign panels with a maximum separation of 6 inches.
E.Sign Support System - the apparatus a sign panel is mounted.

645-2 Materials

645-2.01 General. Materials shall meet the requirements of the following subsections of Section 700

Materials and Manufacturing: Wood Preservative - Water Borne 708-31 Stress Graded Timber and Lumber 712-14 Stainless Steel Connecting Products 715-16 Rubber Impregnated Woven Cotton-Polyester Fabric 728-01 Rubber Impregnated Random Fiber Pad 728-02 Aluminum Sign Panels 730-01 Retro-Reflective Sign Sheeting 730-05 Stiffeners, Overhead Brackets, and Miscellaneous Hardware 730-22 Fiberglass Reinforced Plastic Sign Panels 730-23 Type A Sign Supports 730-24 Type B Sign Posts 730-25 Breakaway Bases and Hinge Assemblies 730-26 U-Bolts ASTM F1554, Grade 36

645-2.02 Sign Panels.

Fabricate sign panels in strict accordance with Department Standard Sheets and the sign sheeting manufacturer’s guidelines, to ensure uniform appearance and brilliance, under both nighttime and daytime conditions. Fabricate sign panels in a manner to provide an even, clear, uniform surface, free of streaks, drips or other defects which might affect appearance or retro-reflectivity. Details for signs that are not shown on the standard sheets shall be similar to the closest shown sign blank size. Holes on panels may be punched or drilled. Edges shall be smooth and true and free from burrs or ragged breaks. Coat and/or edge seal all backgrounds, characters, delineators, etc., in accordance with the sheeting manufacturer’s recommendations.

645-2 02

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 2026 VOLUME 3 Clearly mark all sign panels in the lower right corner on the back of the sign panel to show the Contract Number and the installation date (month/year). Markings shall be a minimum of 1 inch high and shall be permanently engraved, labels attached with pre ssure-sensitive adhesives, marked with an indelible ink or paint, or established by another method approved by the Engineer. Mounting Hardware: U-Bolts used to attach sign panels to overhead sign structures shall be Type II galvanized in accordance with §719-01 Galvanized Coatings and Repair Methods.

A.Ground-Mounted Sign Panels.
1.Ground-Mounted Sign Panels less than or equal to 32 square feet without Z-bars. Aluminum Sign Panels: 12 gauge (0.0808 inch) minimum in thickness Or For sign panels up to 4 ft X 4 ft – Fiberglass Reinforced Plastic Sign Panels: 0.135 inch (minimum) in thickness.
2.Ground-Mounted Sign Panels less than or equal to 32 square feet with Z-bars. Aluminum Sign Panels: 12 gauge (0.0808 inch) minimum in thickness Or For sign panels up to 4 ft X 4 ft - Fiberglass Reinforced Plastic Sign Panels: 0.135 inch minimum in thickness.
3.Ground-Mounted Sign Panels greater than 32 square feet (with Z-bars). Aluminum Sign Panels: 8 gauge (0.1285 inch) in thickness
B.Overhead-Mounted Sign Panels. Aluminum Sign Panels: 8 gauge (0.1285 inch) in thickness
C.Sign Panels with Multiple Sheeting types. The panel thickness for sign panels with multiple types of sheeting types shall be determined using the total area of the sign panel and meet the materials requirements above.
D.Retro-Reflective Sheeting. Use NYSDOT Class A sign sheeting for all sign types. Note: Signs supplied before March 1, 2023, may be fabricated with NYSDOT approved ASTM D4956 Type III/IV and IX retro-reflective sign sheeting based on the sign type and pay item.
E.Sheeting Sign Characters. Characters include letters, numerals, route shields, symbols, logos, and borders. Characters shall be the size, series and color specified in the MUTCD and as specified in the contract documents.
1.Cut-out characters shall be of the same type sign sheeting as the background sheeting. Black cut-out characters shall be non-retro-reflective. Apply cut-out characters directly to clean, dust-free retro-reflective sheeting background panels and as specified by the sheeting manufacturer. Neatly cut all borders and edges and butt-join at corners and panel joints.
2.When painting, screening, reverse screening and/or other similar methods, use materials, equipment and procedures specified by the sign sheeting manufacturer.

645-2 03

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 2026 VOLUME 3

3.To digitally print signs, use the sign sheeting manufacturer’s recommended, match component system and materials, including their recommended final top-coat or overlay. Clear coat, overlay and/or edge seal the entire sign face area after the sign has been completed, as specified by the sheeting manufacturer.
F.Sign Face Layouts. Sign face shape, color, dimensions, and characters shall be in accordance with:
1.Manual on Uniform Traffic Control Devices for Streets and Highways (FHWA).
2.New York State Supplement to the National Manual on Uniform Traffic Control Devices for Streets and Highways
3.Standard Highway Signs Book – (FHWA) After contract award, two copies of non-standard sign face layouts will be provided to the Contractor. The Contractor shall verify dimensions on the sign face layouts prior to fabrication. (Standard sign face layouts for MUTCD codes without the prefix NY are shown in the Standard Highway Signs Book written by the Federal Highway Administration.)
G.Sign Structure Bearing Pads. Type A Sign Structure Bearing Pads shall be made from Rubber Impregnated Woven Cotton-Polyester Fabric. Type B Sign Structure Bearing Pads shall be made from Rubber Impregnated Random Fiber Pad.

645-2.03 Type A and High -Capacity Type A Sign Posts. Type A sign posts shall be selected from the

Department's Approved List of Type A Sign Supports. The standard strength (i.e., moment capacity) of a Type A sign post shall be 2100 ft-lbs., although weaker or stronger posts may be substituted.

A.Type A Sign Posts with Extra Embedment and Soil Plates. Type A sign posts with extra embedment (more than 39 inches) and with soil plates shall meet the requirements of the Materials Details for Type A sign Supports.
B.High-Capacity Type A Sign Posts. High-Capacity Type A sign posts are those Type A Sign Supports that has a moment capacity between 5000 ft-lbs. and 7000 ft-lbs. per post. The Contractor shall calculate the design moment at the base of the longest post and select an appropriate High-Capacity Type A sign post system - consisting of two or three High-Capacity Type A sign posts of the same type capable of resisting that moment, subject to the Engineer’s approval.

645-2.04 Type B Sign Posts. Type B sign posts shall be fabricated in accordance with the requirements

of '730-25 Type B Sign Posts.

A.Rustic Type B Sign Posts. Rustic Type B sign posts shall be ungalvanized weathering steel meeting the requirements of ASTM A588 or A242.
B.Breakaway Bases and Hinge Assemblies. Breakaway bases and hinge assemblies shall be fabricated in accordance with the requirements of '730-26 Breakaway Bases and Hinge Assemblies.

645-2.05 Concrete Foundations. Cast-in-place concrete for foundations shall be Performance

Engineered Mixture (PEM) Portland Cement Concrete that meets the appropriate mix design requirements specified in Table 2 of Materials Procedure (MP) 501-2 Mix Design and Approval

645-2 06

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 2026 VOLUME 3 Procedure for Performance Engineered Mixtures – Structural Concrete. Precast concrete foundations shall meet the requirements of '704-06 Precast Concrete Cribbing.

645-2.06 Breakaway Wooden Sign Posts. Breakaway wooden sign posts shall be either Grade 2

Southern Yellow Pine or Grade 2 Douglas Fir-Larch, surfaced four side (S4S) as designated by the National Design Specification (NDS) for Wood Construction, and meeting the requirements of '712-14 Stress Graded Timber and Lumber. The bending stress (Modulus of Rupture) shall not be less than 3900 psi using the clear wood properties of ASTM D2555. Posts shall be pressure treated in accordance with '708-31 Wood Preservative - Water Borne, dried to a maximum moisture content of 15% before and after pressure treating. The embedded portion of each post shall be sealed to 2 inches above the ground surface or above the steel tube insert, with a heavy coat (12 mil dry film thickness) of an emulsified asphalt conforming to AASHTO M140. All 3 1/2 inch x 5 1/2 inch posts shall have two 1 1/2 inch diameter breakaway holes drilled through the center of the post parallel to the sign face 4 inches and 18 inches above grade and filled with flexible caulk. All 5 1/2 inch x 7 1/2 inch posts shall have two 3 inch diameter breakaway holes drilled through the center of the post parallel to the sign face 4 inches and 18 inches above grade and filled with flexible caulk. Nails and fasteners shall be stainless steel meeting the requirements of '715-16. Cuts and holes made at the contract site shall be field treated with copper naphthenate having a minimum 2% metallic solution, in accordance with AWPA Standard M4. Breakaway holes shall be field treated with copper naphthenate before filling with flexible caulk.

645-2.07 Pole-Mounted Sign Support System. Bands, brackets, hardware, and fasteners necessary to

mount a sign panel or a sign panel assembly on traffic signal poles, street lighting poles or other poles shall be stainless steel. Bands shall be a minimum of 0.75 inch x 0.02 inch. Other methods of attachment may be substituted with prior written approval of the Engineer. A sign panel assembly is defined as a group of contiguous sign panels with a maximum separation of 6 inches.

645-2.08 Illuminated Signs. Illuminated Sign Panels shall be aluminum alloy 8 gauge thick meeting the

requirements of '730-01, Aluminum Sign Panels. All materials necessary to illuminate the sign panels shall be as shown in the contract documents.

645-2.09 Sign Covering Material. (Vacant.)

645-3 Construction Details

645-3.01 General. Sign panels, overhead panels, overhead vertical brackets, vertical and horizontal

Z-bars, sign support systems, sign posts, breakaway bases and hinge assemblies, and foundations for Type B sign posts shall be constructed in accordance with the contract documents, standard sheets, MUTCD and materials details. Sign locations shown in the contract documents are approximate, and the exact location for each sign will be approved by the Engineer in the field. The Contractor shall erect new signs and remove existing signs in such a manner that the traveling public is provided all necessary regulatory, warning, and guidance information at all times. Certain items may be designated to be performed prior to other items of work. An inspection of installed signs will be made in the daylight for color, reflectivity, location, vertical post alignment, visibility, and appearance. The installed signs will also be inspected at night for color, orientation and reflectivity, traits which will be more conspicuous at night.

A.Wind Loads. The wind pressures given on the standard sheets have been calculated according to the procedure in the AASHTO Standard Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals (1994). All wind loading shall be adjusted for height, drag, and gusting in accordance with AASHTO's Standard Specifications for Structural Supports for Highway

645-3 02

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 2026 VOLUME 3 Signs, Luminaires, and Traffic Signals (1994). Allowable sign areas shall be reduced when the sign centroid height is at an elevated site condition (e.g., an overpass) where the influence of the ground on the wind is reduced. For example, a sign centroid between 29 feet and 49 feet above the existing ground would result in a 37.5% increase in wind pressure (refer to the section “Loads” in aforementioned AASHTO Specifications). TABLE 645-1 WIND LOAD CRITERIA Region Wind Velocity (mph) Wind Pressure at Panel Centroid  14.0 ft (psf) Wind Pressure at Panel Centroid > 14.0 ft (psf) Type A Post 1, 2, 6, 8, and 9 60 14.4 19.2 3, 4, 5, 7, 10, and 11 70 20.4 25.2 Type B Post 1, 2, 6, 8, and 9 70 NA 25.2 3, 4, 5, 7, 10, and 11 80 NA 33.6 NOTE: Panel centroid height measured above the surrounding terrain.

645-3.02 Sign Panels. Sign panels shall be installed as shown on the standard sheets or as shown in the

contract documents. Layout of sign panels and assemblies shall be as shown in the contract documents. Aluminum Overhead Mounted Sign Panels shall be separated from steel overhead sign structures in order to prevent corrosion by a Type A Sign Structure Bearing Pad or a Type B Sign Structure Bearing Pad as shown in the contract documents.

645-3.03 Type A and High-Capacity Type A Sign Posts. The Contractor shall install Type A sign posts

individually or in groups to provide the required total moment resistance.

A.Type A Sign Posts with Extra Embedment and Soil Plates. Type A sign posts with Extra Embedment, and Soil Plates for Type A sign post, shall be installed where extra embedment depth and/or soil plates are required.
B.High-Capacity Type A Sign Posts. High-Capacity Type A sign posts shall be installed where extra moment capacity is required. Number of posts and spacing shall be as per manufacturer’s recommendations and Standard Sheets. The number of Type A sign posts indicated in the contract documents is based on the information available during design. The number and strength of Type A sign posts installed shall be based on conditions at the final sign location approved by the Engineer. The Contractor shall determine the required moment resistance for the Type A sign post(s) due to the wind loads indicated in '645-3.01A Wind Loads, and propose an appropriate number and strength of Type A sign posts for the approval of the Engineer. The Contractor shall submit the approved Materials Details, and any computations, to the Engineer, and install the required number of Type A sign posts subject to the following criteria:
C.For signs with a nominal width greater than 30 inches, at least two posts are required, except that the nominal 30 inch x 30 inch diamond panel and the nominal 36 inch wide "YIELD" panel require only one post.
D.The maximum number of posts installed within a 7 foot path shall be as described on the approved Materials Details.

645-3 04

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 2026 VOLUME 3

E.For single flanged channel post installations only, the required moment resistance for the post shall be increased by 25% to account for torsional shear. The Materials Details include this adjustment.

645-3.04 Type B Sign Posts. The Contractor shall install Type B sign posts, breakaway bases, hinge

assemblies and foundations in accordance with the details shown on the standard sheets or the manufacturer's approved materials details. The Type B sign post type, size and number shown in the contract documents are based on the information available during design. The sign post type, size and number to be installed by the Contractor shall be based on conditions at the final location approved by the Engineer. The Contractor shall determine the required moment resistance for the Type B sign post(s) based on the wind loads indicated in '645-3.01A. Wind Loads and verify the sign post type, size, number, hinge capacity and 7 feet wheel path criteria for the approval of the Engineer. The Contractor shall submit any computations to the Engineer. The Contractor may install breakaway type bases under the contract pay item for nonbreakaway type posts provided that nonslotted hinge plates are used on both flanges and the installation is outside the clear zone or otherwise protected.

A.Rustic Type B Sign Posts. Rustic Type B sign posts shall be installed in the same manner as Type B sign posts.
B.Breakaway Bases and Hinge Assemblies. Breakaway bases and hinge assemblies shall be installed in accordance with the standard sheets or the manufacturer's approved materials details. When breakaway bases and hinge assemblies are used with rustic Type B sign posts, the breakaway bases and hinge assemblies shall be installed as follows:
1.The front (approach) flange hinge plate of rustic Type B sign posts shall be installed as shown on the contract drawings, except that an additional galvanized steel flat washer shall be installed on all four bolts between each post and the slotted hinge plate to assure proper slippage.
2.All miscellaneous visible galvanized steel hardware, except in the vicinity of the hinge plate slots, shall be painted with Weathered Brown Guide Rail Paint.

645-3.05 Concrete Foundations. Concrete foundations shall be constructed in accordance with the

Materials Detail Sheets and contract documents. Upon completion of the sign installation the Contractor shall restore the area to its original state. TABLE 645-2 ALLOWABLE SIGN AREAS (SF) ON 2 BREAKAWAY WOODEN POSTS Wooden Post Section (inches) Embedment (ft) 60 mph Wind Velocity 70 mph Wind Velocity Height to Panel Centroid (ft) Height to Panel Centroid (ft) 6.0 8.0 10.0 12.0 6.0 8.0 10.0 12.0 3.5 x 3.5 5.0 14.6 11.0 8.7 7.3 10.3 7.7 6.1 5.2 3.5 x 5.5 6.0 35.1 26.3 21.1 17.5 24.7 18.6 14.8 12.4 5.5 x 7.5 7.0 93.1 69.7 55.8 46.5 65.6 49.3 39.4 32.8 NOTE: For 1 post, reduce allowable sign areas by 60%. For 3 posts, increase allowable sign areas by 50%. For 3 posts, separate outer posts by more than 8 feet.

645-3 06

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 2026 VOLUME 3

645-3.06 Breakaway Wooden Sign Posts. Breakaway wooden sign posts shall be installed in

accordance with Table 645-2, Allowable Sign Areas on 2 Breakaway Wooden Posts and Materials Details. Each sign stringer to post attachment shall be bolted completely through the post using two 3/8 inch diameter stainless steel bolts with nuts and washers. Posts shall use a concrete foundation as noted in Subsection 645-2.05 in this specification, with a steel tube insert or be backfilled with compacted cushion sand or stone screening, as noted in the Materials Detail Sheets and contract documents.

645-3.07 Pole-Mounted Sign Support System. Pole-Mounted Sign Support System, as defined in 645-

2.07, shall be firmly attached to the pole in accordance with the standard sheets and/or manufacturer's instructions.

A.Panels without Z-bar stiffeners. Sign panels less than or equal to 18 inches wide, shall be attached to the pole with at least two bands. Sign panels less than or equal to 18 inches wide and longer than 30 inches, shall be attached to the pole with at least three bands.
B.Panels and assemblies with Z-bar stiffeners. Sign panels greater than 18 inches wide and sign panel assemblies shall be banded to the pole at each horizontal Z-bar stiffener, as shown on the standard sheets. Sign Panels mounted with this type of sign support shall not be greater than 48 inches wide, and shall not be greater than 60 inches in height. Sign panel assemblies mounted with this type of sign support shall not be greater than 48 inches wide.

645-3.08 Illuminated Signs. Illuminated sign panels shall be installed as shown in the contract

documents. All work on the illumination system shall be performed in accordance with the National Electrical Code and the requirements of the local utility. Electrical circuits shall be tested by the Contractor for insulation resistance and ground resistance in accordance with the requirements below. Testing equipment shall be supplied by the Contractor and the tests shall be performed in the presence of the Engineer.

A.Insulation Resistance Test. Each circuit including ballasts and protective devices shall be insulation tested using an insulation tester according to manufacturers instructions. The Contractor shall compute a polarization index by dividing a ten-minute reading by a one-minute reading. The polarization index shall be greater than 4.0 for acceptance of new circuits, and greater than 2.0 for acceptance of existing circuits. The lighting system shall be properly grounded and disconnected while this test is conducted.
B.Ground Resistance Test. A ground test shall be performed by the Contractor using an earth tester with resolution to a minimum of 0.1 ohm. The test shall be performed, and the results interpreted, according to manufacturer's instructions. Readings of 5.0 ohms or less will be required for acceptance.
C.Functional Test. After satisfactory completion of all other tests, a functional test shall be performed consisting of not less than ten consecutive days of satisfactory operation. If unsatisfactory performance of any component of the lighting system is discovered during this time, the condition shall be corrected and the Engineer may require the test repeated until ten days of continuous satisfactory operation is obtained. Temporary shutdowns caused by power interruption or vehicle impact will not constitute discontinuity of the functional test.

645-3.09 Covering Signs. (Vacant.)

645-4 01

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 2026 VOLUME 3

645-4 Method of Measurement

645-4.01 General. (Vacant)

645-4.02 Sign Panels. The work will be measured as the number of square feet measured to the nearest

0.1 square feet of sign panel satisfactorily installed. The area of each panel will be measured as the area shown on the standard sheets. For sign panels not shown on the standard sheets, the area will be measured as the product of length and width, with no reduction for rounded corners. When sign panels are mounted back-to-back, each panel face will be measured separately.

A.Panels with Multiple Sheeting types. Panels with multiple types of sheeting will be measured as the number of square feet measured to the nearest 0.1 square feet for each of the types of sheeting applied to the sign panel. The sum of the all the areas of the sheeting types measured shall equal the total area of the sign panel measured as the product of length and width.

645-4.03 Type A Sign Posts. The work will be measured as the number of Type A sign posts required,

which is the greater of either: The number of posts required based on the width of the sign; Or The number of posts of standard strength (2100 ft-lbs moment capacity) required to resist the moment due to wind load.

A.Type A Sign Posts With Extra Embedment. The work will be measured as the number of Type A sign posts with extra embedment satisfactorily installed with these modified bases.
B.Soil Plates for Type A Sign Posts. The work will be measured as the number of soil plates for Type A sign posts satisfactorily installed on either standard Type A sign posts, or on Type A sign posts with extra embedment.
C.High-Capacity Type A Sign Posts. The work will be measured as the number of high-capacity Type A sign posts satisfactorily installed. Post systems in which two posts are combined to function as a single post, such as the back-to-back flanged channel or the telescoping square tube, are measured as one post.

645-4.04 Type B Sign Posts and Rustic Type B Sign Posts. The work will be measured as the number

of Type B sign posts or rustic Type B sign posts satisfactorily installed. When the Engineer directs that a different size Type B sign post be installed at a location that is called for in the contract documents, and there is no contract pay item in the contract for the directed post, the original quantity shall be multiplied by the following factor: lb/ft of directed post divided by lb/ft of original post.

645-4.05 Concrete Foundations. The work will be measured as the number of concrete foundations for

Type A Sign Posts, or Breakaway Wooden Sign Posts with steel tube inserts satisfactorily installed.

645-4.06 Breakaway Wooden Sign Posts. The work will be measured as the number of breakaway

wooden sign posts satisfactorily installed.

645-4 07

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 2026 VOLUME 3

645-4.07 Pole-Mounted Sign Support System. The work will be measured as the number of pole-

mounted sign support systems satisfactorily installed.

645-4.08 Illuminated Sign Panels. The work will be measured as the number of square feet measured

to the nearest 0.1 square feet of illuminated sign panel satisfactorily installed.

645-4.09 Covering Sign Panels. (Vacant).

645-5 Basis of Payment

645-5.01 General. The unit price bid for all items shall include the cost of furnishing all labor,

materials, and equipment necessary to complete the work.

645-5.02 Sign Panels. The unit price bid for sign panels shall include the panels, sheeting, horizontal

and vertical stiffeners (Z-Bars), vertical overhead brackets to mount sign panels to overhead structures, and fasteners and miscellaneous hardware necessary to complete the work. The cost of sign panels that are to become part of larger signs (e.g., route shields on large guide signs) shall be included in the unit price bid for the main panel.

A.Panels with Multiple Sheeting types. Panels with multiple types of sheeting will be paid separately under their respective contract pay items.

645-5.03 Type A Sign Posts. The unit price bid for Type A sign posts, Type A sign posts with extra

embedment, soil plates for Type A sign posts, and high-capacity Type A sign posts shall include the cost of furnishing all labor, materials and equipment necessary to complete the work.

645-5.04 Type B Sign Posts. The unit price bid for Type B sign posts shall include the posts, breakaway

base and hinge assemblies, and concrete footings. Breakaway bases provided in lieu of nonbreakaway posts at the Contractor's option will be paid for at the bid price for nonbreakaway bases.

645-5.05 Concrete Foundations. The unit price bid for Concrete Footing for Type A, or Breakaway

Wooden Sign Posts with steel tube inserts shall include the cost of furnishing all labor, materials and equipment necessary to install the footing and hardware.

645-5.06 Breakaway Wooden Sign Posts. The unit price bid for breakaway wooden sign posts shall

include the posts and backfill if required.

645-5.07 Pole-Mounted Sign Support System. The unit bid price for each pole-mounted sign support

system shall include the cost of furnishing all labor, materials and equipment necessary to install the sign panel or sign panel assembly on a pole, regardless of the number of bands used. New or relocated sign panels or sign panel assemblies and any required Z-bar stiffeners will be paid under their respective items.

645-5.08 Illuminated Sign Panels. The unit price bid for illuminated sign panels shall include the work

required under '645-5.02 Sign Panels, and all luminaires, bulbs, ballasts, wiring, conduit, and fittings from a point just above the footing to the most extreme luminaire. The unit price bid for illuminated sign panels shall also include the cost to energize and test the illuminated sign panel. The cost of energy necessary to illuminate sign panels before final contract acceptance shall be borne by the Contractor. The cost of controllers will be paid separately.

645-5.09 Covering Sign Panels. (Vacant.)

646-1 01

NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 2026 VOLUME 3 Payment will be made under: Item No. Item Pay Unit 645.5101 Ground-Mounted Sign Panels without Z-bars Square Foot 645.5102 Ground-Mounted Sign Panels less than or equal to 32 SF with Z-bars Square Foot 645.5103 Ground-Mounted Sign Panels greater than 32 SF with Z-bars Square Foot 645.61 Overhead Sign Panels Square Foot 645.76 Illuminated Sign Panels Square Foot 645.81 Type A Sign Posts Each 645.8104 Type A Sign Posts with Extra Embedment Each 645.8105 Soil Plate for Type A Sign Post Each 645.8106 High-Capacity Type A Sign Posts with Soil Plates Only Each 645.8107 Concrete Footing for Type A, or Breakaway Wooden Sign Posts with Steel Tube Inserts Each 645.82 Breakaway Wooden Sign Posts Each 645.8XYYZZ Type B Sign Posts Each X Appearance YY Section ZZ Base 3 Galvanized 02 W6x9 01 Nonbreakaway 4 Rustic 03 W6x12 02 BidirectionalBreakaway 04 W8x15 03 Omnidirectional Breakaway 05 W10x19 06 W10x22 07 W12x26 08 W14x34 645.85 Pole-Mounted Sign Support System (Band Mounting) Each

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Source: Standard Specifications (US Customary Units), 2026 (Jan) Edition. Pages 917–927 of 1,489. View official source ↗

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