_408A_Transformer_Base_TB1-17.pdf

This document is an approved technical drawing for ground mounting applications by Akron Foundry Company, related to F.H.W.A. (Federal Highway Administration) specifications under state contract vehicles. The drawing shows specifications for breakaway base assemblies designed for traffic control applications, with Akron Foundry Company serving as the manufacturer and the document being approved by F.H.W.A. to 1985 AASHTO requirements.

The document details ground mounting hardware specifically designed for traffic control applications, featuring breakaway base assemblies (TB1-17) that comply with 1985 AASHTO specifications. The hardware includes bolt circle configurations for 1/4" WA ANCHORAGE systems with specific dimensional requirements including 9.75 x 11.75 door specifications and various mounting configurations. The breakaway base features 10 1/2" top bolt circle and 13 1/2" top bolt circle options, designed for 15" bottom bolt circles. Technical specifications indicate these assemblies are engineered for optimum performance with specific mounting instructions and hardware requirements, including zinc coating applications and steel washers to meet Federal Highway Administration standards for traffic control device mounting systems.