Specifications include, but are not limited to:. All compartments, bulkhead and wheel panels shall be formed 14-gauge galvanneal or fiberglass approximately 3/8” thick. (Wood core or recycled fiberglass is not acceptable.). All compartments shall be sealed to form a watertight enclosure.. Bulkhead shall be sealed to body compartments.. Compartment tops shall be 14-gauge galvanneal or fiberglass approximately 3/4” thick. (Wood core or recycled fiberglass is not acceptable.). Under frame shall be steel under structure.. Floor shall be minimum 12-gauge tread plate.. Rear doors shall be minimum 20-gauge panel galvanneal type with recessed handles. If fiberglass, doors shall be one piece molded with fiberglass reinforcement.. Hinges shall be die-case brass or stainless steel.. The striker plates shall be adjustable type.. The divider trays shall have slots for dividers on 4” centers.