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Highway Guard Rail

(23)
Guard Rail-Standard Specifications
  1. The Guard Rail element shall be made from new billet, open hearth, basic oxygen, or electric furnace steel. Guard Rail shall conform to AASHTO M-180. Posts shall conform to ASTM A-36. The minimum yield point of the steel used in the beam and terminals shall be 50,000 PSI and 12% in 2" gage length respectively.
  2. Guard Rail and Posts shall be galvanized after fabrication to ASTM A-123, AASHTO M- 111. or New York State M-19 Type I and shall have at least 2-oz. per square foot of spelter, total for both sides. When material is specified galvanized before fabrication, galvanizing shall conform to ASTM A-525, 4-oz. coating, or A-93, 2-1/2-oz. coating. Bolts shall be galvanized to ASTM A-153, ...

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