Specifications include, but are not limited to: 2.1.The Agency of Transportation Railroad Division requires precast concrete panels for railroad grade crossing surface, including all hardware required to attach the panels at a rail-highway crossing. 2.2.This includes furnishing new precast concrete panels with elastomeric, non-conductive filler or boot along entire base for the full length of the crossing to insulate the rails from the concrete. 2.3.Materials and Dimensions: 2.3.1. The precast concrete crossing panels to be furnished shall be an approved system cast by an approved manufacturer. 2.3.2. The Manufacturer shall provide lag-type shunt resistant precast concrete panels using a minimum of 6000 psi concrete and American Grade 75 reinforcement. Each panel shall have a 3 inch x 3 inch x 1/4 inch angle with a 3 mil rust inhibitive coating.
