1. © 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. Seismic and Infrastructure Keith Lanning Infrastructure is like air, Its not important until you do not have any.

2. © 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. Change versus Turmoil Change A Technical or Process Decision Can be logically justified Can be settled with simple debate Clearly definable effective dates Turmoil Emotional Response to Change Loses objectivity Cannot be settled through simple agreements. 2

3. © 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. Be a Champion of Change! Be a Terminator of Turmoil! Always support you engineering and installations decisions with the current standards. Use specific references. Stay professionally separated from your own emotions about “change” in discussions. Refer AT&T conflict issues to your AQA Coach or the AT&T SME. Let them solve AT&T issues. Use the AT&T systems. A denied or approved waiver removes you from the argument over a current versus legacy practice within a location. 3

4. © 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. Overhead Bracing Top Support Mechanically connects the equipment cabinets to the suspended grid system –Do not add top support to 7’ cabinets or frames Requires a waiver Junctioning Mechanically connects two adjacent structures or cabinets. –Required for all items within 5 inches of each other. –Use junction plates, custom junction plates or custom top mounted structures. 4

5. © 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. Overhead Support Systems Future Plans Continuation of BSP800-006-152MP Development of a strut material option to traditional aux bar systems. This will include strut material stubbed up support designs in addition to threaded rod with schedule 40 pipe sleeve solutions. 5

6. © 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. Raised Floor Systems TP76402 Equipment Raised Floor System Required for AT&T Equipment Deployment Captured Pedestal Heads, Secured Floor Tile Support Rails, Secured Floor Tiles –Mount equipment per TP76402 Section 9.2 Personnel Raised Floor System Avoid using for AT&T Equipment Deployment Non-captured Pedestal Heads, Non-secured Floor Tile Support Rails, Non-secured Floor Tiles. –If required mount equipment per TP76402 Section 9.1 6

7. © 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. Added Rules into TP76402 for Legacy Equipment Raised Floor Systems Captured Pedestal Heads, Secured Floor Tile Support Rails, Non-secured Floor Tiles –Mount equipment per TP76402 Section 9.3 Two options for low and high seismic areas. 7 Legacy Raised Floor Systems

8. © 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. Cable Racks and Cable Fill We need your help! Send the notifications when you reach 75% fill levels. Think about new routes and mitigation plans when you are in the locations. Think about the next job to use the area! How will your decisions effect future work. 8

9. © 2010 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks contained herein are the property of their respective owners. If you have any questions always Call Before You Install! 9