3385 902 Minnesota 2020 Standard Specifications fittings such as turnbuckles, cable sockets, and nuts capable of withstanding a proof load equal to 85 percent of the proof load requirements for nuts as specified in ASTM A307 , Standard Specification for Carbon Steel Bolts, Studs, and Threade d Rod 60 000 psi Tensile Strength , Table III. Use expansion assemblies, cable splices, and connections capable of withstanding a proof load equal to the tensile strength required of the attached wire rope cable or as specified by the manufacturer. Provide steel rectangular plate washers and cable clamps with a tensile strength of at least 60,000 psi. Provide ferrous metal plain circular washers meeting the requirements of ANSI/ASME B
18.22.1, Type A
3381.3SAMPLING AND TESTING
Provide samples for testing as directed by the Engineer. The Engineer will test wire rope and fittings for cable guardrail meeting the requirements of AASHTO M 30. FITTINGS FOR TRAFFIC BARRIERS (GUARDRAIL)
3382.1SCOPE
Provide steel plate beams and fittin gs for use in guardrail construction.
3382.2REQUIREMENTS
Provide steel plate beams and fittings for guardrail construction meeting the requirements of AASHTO M 180, “Standard Specification for Corrugated Sheet Steel Beams for Highway Guardrail” for the type and class required by the Contract . Unless the Plans show otherwise, provide beams meeting the requirements for Class A, Type II (galvanized). Provide w -beam and thrie -beam rail elements, posts, blocks, soil plates, reducer sections, and end treatments that meet the requirements of A Guide to Standardized Highway Barrier Hardware , published by AASHTO, ARTBA, and AGC.
3382.3SAMPLING AND TESTING
Triple -spot test galvanized beams and fittings. 3385 ANCHOR RODS
3385.1SCOPE
Provide anchor rod Material in four general strength levels . The Plans may show, or the Special Provisions may specify other types of anchor rod Material .
3385.2REQUIREMENTS
Use th e ASTM or product reference for each type of anchor rod Material . Unless the Contract requires otherwise, provide anchor rods meeting the requirements for Type A and fabricated from single rounds . Galvanize Type A, Type B, and Type C anchor rods in accorda nce with 3392 , “Galvanized Hardware,” unless otherwise shown on the Plans. A Type A — Carbon Steel Anchor Rods Provide Type A anchor rods meeting the requirement of ASTM F1554, Standard Specification for Anchor Bolts, Steel, 36, 55, and 105 -ksi Yield Strength , Grade 36 Class 2A, with supplementary requirement S3 for permanent grade identification. Provide nuts and washers as recommended in ASTM F1554 Grade 36 anchor rods. B Type B — Intermediate Strength Anchor Rods Provide Type B anchor rods meeting the requirements of ASTM F1554, Standard Specification for Anchor Bolts, Steel, 36, 55, and 105 -ksi Yield Strength , Grade 55 Class 2A, with supplementary 3391 Minnesota 2020 Standard Specifications 903 requirement S1 for weldability and supplementary requirement S3 for permanent grade identification . Provide nuts and washers as recommended in ASTM F1554 Grade 55 anchor rods. C Type C — High Strength Anchor Rods Provide Ty pe C anchor rods meeting the requirements of ASTM F1554, Standard Specification for Anchor Bolts, Steel, 36, 55, and 105 -ksi Yield Strength , Grade 105 Class 2A, with supplementary requirement S3 for permanent grade identification and supplementary requirement S5 for Charpy impact testing . Provide nuts and washers as recommended in ASTM F1554 Grade 105 anchor rods . Do not make an anchorage cage by tack -welding Type C anchor rods or welding anchor rods to other Material . Hold Type C anch or rods in place mechanically using methods approved by the Engineer. D Type D — Stainless Steel Anchor Rods Provide Type D anchor rods, nuts, and washers meeting the requirements of ASTM A276, Standard Specification for Stainless Steel Bars and Shapes, Type 304 or Type 316 stainless steel , and 3391.2 , “Fasteners, Requirements,” for stainless steel fasteners. Do not make an anchorage cage by tack weldin g Type D anchor rods or welding anchor rods to other Material . Hold Type D anchor rods in place mechanically using methods approved by the Engineer.
3385.3SAMPLING AND TESTING
Provide samples for testing meeting the requirements of the Department’s Schedule of Materials Control . 3391 FASTENERS
3391.1SCOPE
Provide various types and grades of fasteners for use in general and structural applications.
3391.2REQUIREMENTS
Provide fasteners of the type shown on the Plans. Provide bolts, nuts, and washers meeting the requirements of ANSI for the type required by the Contract . Unless otherwise required by the Contract , provide threads that are ANSI Coarse Thread Series with a Class 2A tolerance for bolts and Class 2B tolerance for nuts. A