PennDOT Approves J-J Hooks MASH Barrier for Bridge Applications
In late 2020, PennDOT approved J-J Hooks MASH TL3 temporary barrier for bolted applications on bridges and structures. The tested deflections, when bolted to concrete, were 5.9-inches. J-J Hooks is now approved as an alternate to PennDot’s standard drawing BC-719M, structure-mounted temporary concrete barrier.
PennDOT’s BC-719M is a 14-foot long, F-shape barrier with two different pocket designs, depending upon the required bolt spacing. Bolts can be specified at 1-foot, 2-foot or 4-foot intervals, based upon traffic lane widths and vehicle speeds. The J-J Hooks barrier is a 12-foot long, F-shape barrier requiring only two bolts.
In 2015, J-J Hooks MASH restrained, F-shape barrier (bolted/concrete or pinned/asphalt) was approved in 12-foot and 20-foot lengths for PennDOT roadways. The tested pinned deflection was 8.8-inches. In February 2020, J-J Hooks F-shape free-standing barrier was approved in 12-foot lengths, with a 20-foot approval pending.
J-J Hooks is the industry’s most successful connection design with well over 15 million linear feet provided to highway construction projects in North America and abroad. J-J Hooks freestanding, pin-down and bolt-down designs have been MASH TL3 tested and are available from over 40 producers.
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