967-1 General.
This Section covers the material and fabrication requirements for guardrail components . All timber and steel components supplied under this Specification shall be from producers currently on the Department’s Production Facility Listing. Producers seeking inclusion on the Department’s Production Facility Listing must meet the requirements of Section 105.
967-2 Timber Posts and Timber Offset Blocks .
Timber products must have a minimum stress grade of 1200 psi and meet the material requirements of Section 954. Timber is to be dressed on four sides (S4S) and treated in accordance with the post requirements in Section 955. Timber posts and offset blocks shall be shaped and drilled prior to wood treatment. Posts shall not vary more than 1 inch and offset blocks shall not vary more than 0.25 inches from the specified dimensions shown in the Standard Plans.
967-3 Steel Components .
Steel materials must meet the requirements of Table 967-1 below. Production facilities must submit certified mill analyses to the Department for review and approval. Certified mill analyses must be signed by a quality control representative, describe each LOT of components, and show compliance wi th Table 967 -1. All steel components must be melted and manufactured in the United States. The certified mill analysis must show that the included material meets the Buy America, Source of Supply - Steel requirements in Section 6. Where specified, components must be welded in accordance with the American Welding Society Structural Welding Code ANSI/AWS D1.1 using material conforming to E60XX. Nondestructive testing of welds is not required. Table 967 -1 Material Requirements for Steel Gua rdrail Components Product Standard Grade / Type Style Reportable Properties Steel Panels AASHTO M 180 Type 2 Class A (12 Ga.) Class B (10 Ga.) W-Beam Heat, Yield, Tensile, Elongation, Class, Type Thrie-Beam Thrie-Beam Transition End Pieces AASHTO M 180 Type 2 Class A (12 Ga.) Class B (10 Ga.) All Yield, Tensile, Class, Type Steel Posts & Offset Blocks ASTM A36 36 All Killed, Yield, Tensile, Elongation ASTM A992 50 All Steel Plates ASTM A36 36 All Killed, Yield, Tensile, Elongation FY 2023-24 Return to Table of Contents Table 967 -1 Material Requirements for Steel Gua rdrail Components Rub Rail AASHTO M 180 Type 2 Class B (10 Ga.) All Heat, Yield, Tensile, Elongation, Class, Type Pipe Rail ASTM A53 A, B E, S Grade, Finish Steel Tube Foundations ASTM A500 B Round, Shaped Composition, Yield, Tensile, Elongation Brackets & Fixtures ASTM A36 36 All Killed, Yield, Tensile, Elongation Bolts ASTM A307 A, B Button-Head Size, Composition, Hardness, Tensile Hex Heavy-Hex Nuts ASTM A563 A, B, C, C3, D, DH, DH3 Heavy Hex Size, Composition, Proof Load, Hardness Washers ASTM F436 1, 3 Circular, Beveled, Clipped, Extra Thick Size, Hardness
967-3.1 Steel Posts , Special Steel Posts, Steel Offset Blocks, and Rub Rail : Posts must
be fabricated from rolled sections with cross -sections defined in the American Institute of Steel Construction (AISC) Manual of Steel Construction . Complete all fabrication prior to galvanizing. Galvanizing shall have the composition that meets or exceeds “Prime Western Grade” in accordance with ASTM B6. Posts shall not vary more than 1 inch and offset blocks shall not vary more than 0.25 inches from the specified dimensions shown in the Standard Plans.
967-3.2 Steel Panels and End Pieces : W-beam, thrie-beam, and thrie-beam transitions
must meet the requirements of Table 967-1 for steel panels. Terminal connectors, end shoes, end units, and all other compatible components must meet the requirements of Table 967-1 for end pieces. Galvanize shall have a composition that meets or exceeds “Prime Western Grade” in accordance with ASTM B6. Type II zinc coating is required on all panels. All w-beam, thrie -beam, and thrie -beam transition panels must be marked by a pressed stamp showing production LOT information (e.g. AASHTO -approved brand r egistration, LOT number, production date, operator, etc.). Upon approval of the certified mill analysis by the Department, each LOT will be stored in the Department’s database with a reference to the stamped information.
967-3.3 Bolts, Nuts, Washers, and Steel Plates : Galvanize hardware in accordance with
ASTM A153. Galvanize steel plates in accordance with ASTM A153.
967-3.4 Pipe Rail: Pipe is to be Schedule 40. If applicable, weld prior to galvanizing.
967-3.5 Steel Tube Foundations: Galvanize steel tube foundations, brackets, and
fixtures after all punching, drilling, stamping, and welding is complete . Galvanize in accordance with ASTM A123. FY 2023-24 Return to Table of Contents
967-4 Barrier Delineators.
Barrier delineators must meet the require ments of Sections 705 and 993 and be listed on the APL.
967-5 End Delineators.
Retroreflective sheeting is to be yellow, Type IV or greater in accordance with Section 994 and listed on the APL.
967-6 Approved Products List.
967-6.1 Approach Terminal Asse mblies: Approach terminals must be listed on the
APL. Manufacturers seeking evaluation of their product for approval must submit:
1.A completed application in accordance with Section 6, including product drawings meeting the dimensions of Standard Plans , Index 536-001 and that is signed and sealed by a registered Florida P.E.
2.Independent test reports indicating that the product meets all crash test requirements of MASH.
967-6.2 Composite Offset Blocks: Composite offset blocks must be listed on the APL.
Manufacturers seeking evaluation of their product for approval must submit an application in accordance with Section 6 and include the following:
1.Test reports from an independent laboratory showing the product meets all crash test requirements of MASH.
2.Test reports from an independent laboratory showing the composite material meets the following physical requirements: Table 967-2 Composite Block Test Method Requirement Durometer Hardness ASTM D2240 Shore D Minimum 50 Durometer Hardness after UV exposure ASTM D5870 < 15 points change from initial after exposure per ASTM D4329, 1000 hours, cycle C, type UVB -313 lamps FY 2023-24 Return to Table of Contents PAVEMENT MARKINGS, COATINGS , AND RECYCLED MATERIAL (MISCELLANEOUS) SECTION 970 MATERIALS FOR R AISED PAVEMENT MARKERS AND ADHESIVE
970-1 Raised Pavement Markers (RPMs).
Manufacturers seeking evaluation of their product for the Approved Product List (APL) must submit an application in accordance with Section 6 and provide documentation showing the product is in conformance with this section. RPMs shall be classified in ac cordance with the following chart: Table 970-1 RPM Class Class Description Usage Expected Normal Service ASTM D4280 Surface Designation B Retroreflective Temporary/Permanent Long life H, hard abrasion -resistant lens D Retroreflective Temporary One month None F Internally Illuminated Permanent Long life H, hard abrasion -resistant lens
970-2 Performance Requirements.
970-2.1 Class B RPMs: The RPMs shall meet the performance requirements specified in
ASTM D4280, Section 6.2, for luminous intensity, flexural strength, compressive strength, resistance to cracking, and thermal cycling, as modified herein. Submit product photo, product data sheet, and documentation from the National Transportation Product Evaluation Program (NTPEP) showing that the RPMs meet the requirements of this Section.
970-2.1 1 Composition: The RPM shall consist of materials conforming to
ASTM D4280.
970-2.1 2 Physical Requirements: The physical size of the RPM shall conform
to the requirements of ASTM D4280. Laboratory an d field samples for RPMs and bituminous adhesives shall meet the requirements of ASTM D4280 and include the following requirements: The minimum area of each retroreflective face shall be 2.5 square inches. The minimum base size shall be 12 square inches .
970-2.1 3 Abrasion Resistant: Meet the coefficient of luminous intensity
requirements of ASTM D4280 after abrasion.
970-2.1 4 In-Service Minimum Retroreflective Intensity: Class B RPMs shall
retain a minimum coefficient of luminous intensity for 18 months of not less than 30% of the values shown in Table 1 of ASTM D4280, and a minimum luminous intensity of 0.2 cd/fc at the end of two years. FY 2023-24 Return to Table of Contents
Source: Florida Standard Specifications for Road and Bridge Construction, 2024 Edition. Pages 1128–1130 of 1,299.