This work shall consist of providing three-strand and four-strand high tension cable barrier repair, replacement and re-tensioning on an as needed basis in response to vehicle damage and similar sudden occurrence, such as physical damage by the elements, but not solely as a result of wear and tear or changes in standards not in connection with a sudden occurrence. The contractor will be notified of the need for work by written notice on a location-by-location basis. The work shall be performed on an “on-call” basis using the pay items and corresponding specifications set forth in this contract, is for the repair of high tension cable barrier on various routes in District 2 along Commission maintained roadways where High Tension Cable Barrier Systems have been installed. Repair to damaged high tension cable barrier shall be in accordance with the manufacturer’s recommendation and as directed by the Assistant District Engineer, Maintenance (ADEM). All components shall be NCHRP 350 or MASH 16 Test Level 4 (TL-4) criteria compliant, and on the plans it will be labeled as High Tension Cable Barrier System. The Contractor shall select and install only components appropriate to the system as originally installed in the area to be repaired. Terminal sections and high tension cable barrier shall be produced by the same manufacturer. If the entire cable barrier is to be replaced due to significant damage the Contractor shall install the replacement cable barrier in accordance with MDOT Special Provision 907-610-1. Replacement of the entire system must be as directed and approved by the ADEM. All repair and replacement materials and components for the High tension cable barrier shall meet the materials requirements specified in Special Provision Sub-Section 907.610-1. NOTE: The Contractor shall ensure that delineators are installed on a minimum of every 5th post during the Annual Inspection item of work and replaced as a part of that item if not. The Contractor shall install all components of the high tension cable barrier system according to the original project specifications and the manufacturer's design and recommendations.
