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NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 202 4 VOLUME 3 Item No. Item Pay Unit 640.10 White Paint Reflectorized Pavement Stripes – 15 mils Feet 640.11 Yellow Paint Reflectorized Pavement Stripes - 15 mils Feet 640.12 White Paint Reflectorized Pavement Letters - 15 mils Each 640.13 White Paint Reflectorized Pavement Symbols - 15 mils Each 640.20 White Paint Reflectorized Pavement Stripes – 20 mils Feet 640.21 Yellow Paint Reflectorized Pavement Stripes - 20 mils Feet 640.22 White Paint Reflectorized Pavement Letters - 20 mils Each 640.23 White Paint Reflectorized Pavement Symbols - 20 mils Each SECTION 641 - BRIDGE WASHING
641-1 DESCRIPTION. The work in this section shall include work required for bridge washing.
641-2 MATERIALS. Materials shall be as specified in the special specifications.
641-3 CONSTRUCTION DETAILS. The extent of work and construction requirements will be
covered by special specifications in the contract documents.
641-4 METHOD OF MEASUREMENT. As specified in the special specifications.
641-5 BASIS OF PAYMENT. As specified in the special specifications.
SECTION 642 - ROADSIDE MAINTENANCE
642-1 DESCRIPTION. The work in this section shall include work required for roadside maintenance.
Examples of the type of work are mowing, litter pick up, cleaning and shaping ditches. Work involving slope repair, asphalt patching, culvert repairs, etc shall be specified i n other sections.
642-2 MATERIALS. Materials shall be as specified in the special specifications.
642-3 CONSTRUCTION DETAILS. The extent of work and construction requirements will be
covered by special specifications in the contract documents.
642-4 METHOD OF MEASUREMENT. As specified in the special specifications.
642-5 BASIS OF PAYMENT. As specified in the special specifications.
SECTION 643 - NOISE BARRIERS
643-1 DESCRIPTION. The work in this section shall include work involved with construction of noise
barriers.
643-2 MATERIALS. Materials shall be as specified in the special specifications.
643-3 CONSTRUCTION DETAILS. The extent of work and construction requirements will be
covered by special specifications in the contract documents.
643-4 METHOD OF MEASUREMENT. As specified in the special specifications.
643-5 BASIS OF PAYMENT. As specified in the special specifications.
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NEW YORK STATE DEPARTMENT OF TRANSPORTATION Section 600 STANDARD SPECIFICATIONS (USC) January 1, 202 4 VOLUME 3 SECTION 644 - OVERHEAD SIGN STRUCTURES (Last Revised September 2021)
644-1 Description
644-1.01 General. Under this work the Contractor shall fabricate, furnish and erect sign structures for
overhead signs in accordance with the contract documents. The Contractor shall notify the Deputy Chief Engineer, Structures (DCES) of the name and address of the fabricator of all overhead sign structures in accordance with §106 -01 Sources of Supply.
644-1.02 Definitions. Overhead Sign Structures (OSS) are structures with vertical supports and
horizontal arms or chords used to support signs over any portion of the roadway, including the shoulders. Span Wire Assemblies supporting overhead signs, and structures supporting both traffic signal equipment and overhead signs are covered under Section 680, Traffic Signals. Bridge fascia mounted signs, where the signage is intended for the under roadway, are also not covered in this Section. OSS are classified into the following three standard types (See Figure 644 -1):
A.Single Arm Cantilever. Single (horizontal) arm supported by a single (vertical) post.
B.Trussed Arm Cantilever. Two trussed arms supported by a single post. (If the arms are not trussed, the structure shall be classified as Non -Standard).
C.Span. Single span, four -chord (quad -chord) superstructure supported by trussed end posts. OSS that fall outside these categories are Non -Standard. This includes butterfly structures, multi - span structures, structures that are a combination of span and cantilevers, and all other overhead sign structures not included in §644 -1.02.
644-2 Materials
644-2.01 Steel for Sign Structures. Steel for component parts of sign structures shall meet the
requirements of the New York State Steel Construction Manual and the following: All material greater than 1/2 inch thick shall meet the Charpy V -Notch toughness requirements of §715 -01, Structural Steel. Chords, cantilevered arms, end posts, base plates, end and face plates for cantilever arm to post connections, and flange splice pl ates shall be considered main members. Diagonals, struts and gusset or tab plates shall be considered secondary members. Upon receipt at the fabrication plant, all main member material shall be traceable to a mill test report and traceability shall be maintained throughout the duration of the fabrication. All main member material thickness shall be a minimum of 1/4 inch.
Source: New York Standard Specifications, 2024 Edition. Pages 687–687 of 1,264.