WebThe acceptance requirements for breakaway supports are found in the 1985 AASHTO “Standard Specifications for Structural Supports for Highway Signs, Luminaires and Traffic Signals.” These specifications have been adopted, with minor modifications by the FHWA. The posts used in the tests were manufactured of recycled plastic and measured 89 mm x Webrequirements to ensure proper performance. We anticipate that the States will require certification from Feralux that the bases furnished have essentially the same chemistry, mechanical properties, and geometry as those used in the tests, and that supports with those bases will meet the FHWA breakaway requirements.
April 13, 2006
Webas a breakaway mechanism for rural mailbox supports for use on the National Highway System (NHS) under the provisions of National Cooperative Highway Research Program (NCHRP) Report 350 “Recommended Procedures for the Safety Performance ... The results of testing met FHWA requirements and, therefore, the devices described WebJun 4, 1991 · Without further testing, FHWA will accept dual slip-base supports within a 2.1 m (7-foot) span when each support weighs no more than 27 kg/m (18 pounds-per-foot). Dual base bending 6-kg/m (4 pound/foot) flanged channel "U" posts failed their crash test. Therefore, this system is no longer acceptable for use on Federal-aid highway projects. paines in hollister ca
FAQs: Breakaway Sign and Luminaire Supports FHWA
WebOct 22, 2015 · I need to add FHWA language to an RFP and don't know where to find the applicable federal language. Is there a website with all of the applicable FHWA language, … WebOct 25, 1993 · These specifications have been adopted, with minor modifications by the FHWA. The posts used in the tests were manufactured of recycled plastic and measured 89 mm x 89 mm x 3.66 m long (3.5 inches x 3.5 inches x 12 feet). Note that spliced posts were used in the crash testing but are not acceptable for use in the field. Webmeet the FHWA breakaway requirements. Since these breakaway support designs are proprietary items, to be used in a Federal-aid highway project they; (a) must be supplied through competitive bidding with equally suitable unpatented items; (b) the State highway agency must certify that they are essential for synchronization with existing highway paines recycle west hartford