BDTM.107 - Luminaire Support Design and Detailing
Thursday, November 04, 2021 at 10:35:17 AM

To all:

Please be advised that the subject Bridge Design Technical Memorandum (BDTM) has been approved by the Bridge Design Engineer Administrator and published on the DOTD Bridge Design Section website for implementation at:

http://wwwsp.dotd.la.gov/Inside_LaDOTD/Divisions/Engineering/Bridge_Design/Pages/Technical-Memoranda.aspx


The BDTM index has been updated and posted.

Summary:
BDTM.107 - Luminaire Support Design and Detailing

This BDTM revises BDEM PART II, VOLUME 3 - STRUCTURAL SUPPORTS FOR HIGHWAY SIGNS AND LUMINAIRES and publishes a Luminaire Schedule to be used in plans.

Recent storm damage assessments have revealed damage to, and failure of, luminaire structural supports due to lack of wind load resistance. This BDEM addresses all lessons learned from such damage and failures.

This BDTM has the following attachments:

· Attachment A - Revised BDEM Part II, Volume 3 - Clean copy
· Attachment B - Revised BDEM Part II, Volume 3 - Redline copy
· Attachment C - Sample Luminaire Schedule and Usage Instructions

The following files will be made available on the Bridge Design Website:

· Luminaire Schedule (Excel Spreadsheet)
· Sample Luminaire Schedule and Usage Instructions
· Design-Regular.ttf - Design Font File

This email notification and BDTM are distributed to all DOTD in-house and consultant bridge designers.

This email notification is copied to those copied on the BDTM, and to Consultant Contracts Services staff in order to distribute the e-mail and BDTM to consultant firms on the DOTD solicitation list. If you are listed as the Principle-In-Charge for a consultant firm, please inform your design staff of this BDTM. Thank you.

Thanks,
Kelly M. Kemp, P.E.
Assistant Bridge Design Administrator
Section 25 - Bridge and Structural Design Section - Unit 8
LA Dept. of Transportation and Development
Office: (225) 379-1809
DOTD Internal Quick Dial: 3-1809

Please do not reply to this e-mail from MyDOTD. The originating e-mail account is not monitored by Consultant Contract Services (CCS). If you need assistance with the information in this email, please contact Kelly Kemp directly.