9−1PART 900 INCIDENTAL CONSTRUCTION AND SERVICES SECTION 901 STEEL BEAM GUARDRAIL
901.01 DESCRIPTION . This work consists of providing galvanized coated steel beam guardrail
and end sections of various types and configurations at the locations indicated on the Plans or as directed by the Engineer, all in accordance with these Specifications. 901.01.1 Guardrail End Treatment, Non-Energy Absorbing Terminal and Guardrail End Treatment, Energy Absorbing Terminal. Work under these items shall consist of furnishing and installing a guardrail end treatment in the form of a non-energy or energy absorbing terminal section approved in accordance with MASH or NCHRP 350 and that passes, at a minimum, Test Level 3 (TL-3) crash test criteria at locations indicated on the Plans or as directed by the Engineer. As part of this work, an object marker shall be furnished and affixed to the approach end of the guardrail terminal in accordance with the latest MUTCD. 901.02 MATERIALS. 901.02.1 Metal Beam Rail. Metal Beam Rail shall conform to the applicable requirements of Subsection M.08.03 of these Specifications.
901.02.2 Guardrail Posts. Guardrail Posts shall conform to the applicable requirements of
Subsection M.08.07 of these Specifications.
901.02.3 Guardrail Hardware. Hardware shall conform to the applicable requirements of
Subsection M.08.08 of these Specifications.
901.02.4 Guardrail End Treatment, Non-Energy Absorbing Terminal and Guardrail End
Treatment, Energy Absorbing Terminal. The non-energy and energy absorbing terminals shall be products listed on the Department’s Approved Materials List, or approved equivalents. Any products not included on the Approved Materials Li st shall have been tested and verified to meet all the criteria for MASH or NCHRP 350, TL-3, and the Contractor shall provide supporting documentation such as an FHWA acceptance letter. The object marker affixed to the approach end of the guardrail terminal shall meet the requirements of the latest MUTCD. Every terminal shall have an object marker. The object marker shall conform to the size and shape of the approach end of the guardrail terminal with alternating black and retroreflective yellow stripes sloping dow nward at an angle of 45 degrees toward the side of the guardrail on which traffic is to pass. High intensity retroreflective sheeting shall be used for the object marker, and it shall conform to the requirements of AASHTO M 268, Type A, Standard Specification for Retroreflective Sheeting for Flat and Vertical Traffic Control Applications. The object marker shall have a smooth weather-resistant outer surface, a pre-coated pressure sensitive adhesive backing, and adhere to steel. The adhesive shall have no staining effect on the