October 7, 1997
Refer to: HNG-14/SS-68B
Mr. Lawrence E. Leahy
President
Xcessories Squared
P.O. Box 135
Auburn, IL 62615
Dear Mr. Leahy:
This is in response to your August 8 letter to Mr. Nicholas Artimovich requesting that your company's Xcessories Squared slip-base components be found acceptable when used with an existing three-bolt triangular slip base anchor plate.
Our acceptance letter SS-68, dated September 18, 1996, found your company's slip base acceptable for use on the National Highway System (NHS) when used with a single 63.5 mm square, 12 gage perforated steel tube sign support and a foundation tube with a soil plate or a concrete foundation.
We concur with your assessment that the components of the system can be expect to perform in an acceptable manner when used with an existing compatible triangular slip base. Therefore, they will e acceptable for use on existing foundation slip plates on the NHS, subject to the following conditions.
Should you have any questions, please do not hesitate to call Mr. Artimovich at (202) 366-1331.
Sincerely yours,
Dwight A. Horne, Chief
Federal-Aid and Design Division
Enclosure
Supplemental Geometric and Roadside Design Acceptance Letter SS-68B