The Alaska Department of Transportation & Public Facilities (DOT&PF) utilizes hot dip galvanized, high strength ASTM A449 highway barrier connecting pins. The anchor pins are mild steel conforming to AASHTO M-183 and must also be hot dip galvanized.
Connecting Pin – PB Part #18247
The Alaska barrier connecting pin is a high-strength ASTM A449 headed pin with a 2-1/8″ diameter lip under the pin head and a beveled point to facilitate ease of installation. Additionally, the pin head features a drilled hole or additional top lip to make removal of the pins quick and easy in the field. Connecting pins must be galvanized in accordance withAASHTO M232. Connecting pin and anchor pin details can both be seen on Alaska Standard Drawing G-46.11.
For purposes of securing barriers to the pavement, Alaska utilizes a mild steel anchor pin conforming to AASHTO M183. Like the connecting pins, the anchor pins have a 1/2″ bevel on one end to facilitate installation and must be galvanizedper AASHTO M232. Either two or four anchor pins are required per barrier section and may be installed horizontally or at an angle, depending on the type of barrier, type of surface they are on, and application. Connecting pin and anchor pin details can both be seen on Alaska Standard Drawing G-46.11.