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. Fire & Smoke Stopping of CO Holes Request for Technical Assistance or Waiver Presented by Sha Hoda 281-983-4883 14575 Presidio Square Blvd Houston, Texas sh3259@att.com

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. Fire & Smoke Stopping of CO Holes - Request for Technical Assistance or waiver Why Fire and Smoke stopping needed? 1.To protect AT&T Assets 2.To protect People 3.To protect Smoke Migration 4.To protect damages to property 5.Meet UL Standards required by codes 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. Fire & Smoke Stopping of CO Holes - Request for Technical Assistance or waiver 3 INSTALLATION REQUIREMENTS Section F, ATT-TP-76300, AT&T October, 2010 1.1. Introduction 2. REQUIREMENTS 2.1. General 3. SMOKE STOPPING 3.1 Smoke Stoppage Associated with Cable Installation 3.2 Smoke Stopping For Cable Holes Closed With 3M Products 3.3 Smoke Stopping For Cable Holes Closed With Hilti Products 4. FIRE STOPPING 5. FIRE STOP LABEL REQUIREMENTS 6. BUILDING SERVICES FIRE STOPPING

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. Fire & Smoke Stopping of CO Holes - Request for Technical Assistance or waiver What TP Section F covers? 1.General requirements for opening and closing through- penetrations in floors and fire rated walls and protection of cable runs. 2.All fire stopping installed in AT&T equipment buildings shall be with UL Listed Systems or installed in strict accordance to the manufacturer’s installation instructions. What TP Section J covers? 1.General and workmanship requirements pertaining to cable installation. 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. Fire & Smoke Stopping of CO Holes - Request for Technical Assistance or waiver What TP Section F does not cover? 1.The Creation of New Openings. 2.3M methods of firestopping for new openings 3.Firestopping used by different manufacturers in one opening 4.Non-rated wall openings 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. Fire & Smoke Stopping of CO Holes - Request for Technical Assistance or waiver Typical Questions from Vendors regarding Cable Holes Fire & Smoke Stopping 1.Can I increase the capacity of cable hole? 2.Can I exceed the clearance? 3.Can I mix different cables in existing cable hole? 4.Don’t know wall is fire rated? 5.What if I can’t find a description of my opening in the TP? 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. Fire & Smoke Stopping of CO Holes - Request for Technical Assistance or waiver Installer Questions can be handled different ways: 1.First through a telephone call (Call Hilti Technical Services 800-950-6638 or Sha Hoda at 281-983-4883. 2.Second through a Request for Technical Assistance (RFTA) – TP76300 Section F, page F-21 3.Third, through a waiver process generated via Geo Link 7

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. Fire & Smoke Stopping of CO Holes - Request for Technical Assistance or waiver Who Handles RFTAs? 1.Hilti - Submit to cstelecom@hilti.com in an electronic format that can be modified (not pdf)stelecom@hilti.com How RFTAs are processed? 1.Electronically What is required with RFTAs? 1.Description of the situation (complete the form) 2.Supporting documents, such as, photo, sketches, etc 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. Fire & Smoke Stopping of CO Holes - Request for Technical Assistance or waiver What happens when a cable hole does not meet a typical application shown in the TP76300 Figures (57 different situations)? 1.Hilti will asses the situation and provide Engineering Judgment that will meet UL standards 2.Solution may come in the form of a proposed resolution on the RFTA form referencing back to steps in the TP, or a separate Engineering Judgment drawing for more complex applications. 9

10. © 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. Fire & Smoke Stopping of CO Holes - Request for Technical Assistance or waiver What happens when cable holes cannot be fire stopped using Hilti methods (unusual situation)? 1.A request for waiver shall be generated by the vendor 2.Depending upon the situation a waiver may be granted 10

11. © 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. Fire & Smoke Stopping of CO Holes - Request for Technical Assistance or waiver What happens if a vendor does not know how to fire or smoke stop a cable hole? 1.Hand on training is provided by Hilti specific to TP Section F 2.To schedule training via email cstelecom@hilti.com or call Bryan Boggs at 800-950-6638stelecom@hilti.com 3.Field assistance is provided by Hilti 4.Questions answered over the phone 11

12. © 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. Presented by Hilti: Mitch Clark Division Technical Services Manager More on RFTA 12

13. © 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. Fire & Smoke Stopping of CO Holes - Request for Technical Assistance or waiver What is important for vendors doing firestopping work to know? 1.Think - Compliance with standards is important. Training is a must 2.Think - Help is available 3.Think - RFTA before generating a waiver 4.Think - Waiver is a last mean for solving a problem 5.Think – some exceptions are mentioned in the TP 13

14. © 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. Fire & Smoke Stopping of CO Holes - Request for Technical Assistance or waiver Questions? 14