_408_Transformer_Base_TB2-17.pdf

This document is an engineering specification drawing for mounting applications related to the Akron Foundry Company, a company that appears to provide foundry services and steel hardware products. The document references F.H.W.A. (Federal Highway Administration) approval under TB2-17 and includes specifications for ground mounting applications with steel washers for various bolt configurations.

The specification covers steel hardware components including bolt circles for different diameter configurations (ranging from 10" to 24"), with detailed dimensional requirements for steel washers and mounting bases. The document indicates this is part of a breakaway base system approved by F.H.W.A. to 1985 AASHTO requirements, designed for optimum performance with transformer bases and other mounted equipment. Key dimensional specifications include bolt circle diameters, washer sizes, and mounting configurations, with particular attention to top bolt circles ranging from 10" through 24" diameters and corresponding steel washer specifications for grout torque and mounting applications.