DOB Findings and Recommendations for WTC, Feb 2003

NYC 9/11 Public Portal Document

3.2 Public Forum The following is a summary list of topics presented at the Public Forum. Structural Strength Fire Protection • progressive collapse guidelines • emergency response communication • steel connection robustness • sprinkler retrofitting in high rises • truss systems • fireproofing methods and inspection • fire performance of structural elements • building information for emergency • hardening elevator and stairwell responders enclosures • elevator use for fire fighting Evacuation Mechanical • full building evacuation • smoke proof stairways • smoke proof stairways • protection of mechanical systems from • elevators for evacuation water • design specifications for egress • HVAC systems • areas of refuge DOB Operations • location of stairwells • education and training • universal compliance with building code • evacuation for people with special needs • skyscraper safety unit • . inspection • model codes

3.3 Other Sources of Information A number of other books, publications, and presentations were also reviewed. They include; Publications: Building Regulations 1991. Approved Document A: structure. London. HMSO, 1991. Easter Seals, s.a.f.e.t.y. fist: Working Together for Safer Communities,/2002. Institution of Structural Engineers. Safety in Tall Buildings and Other Buildings with Large Occupancy. London. July 2002. National Conference of States on Building Codes and Standards, National Alliance for Building Regulatory Reform in the Digital Age. A Proposed Secure Nationwide State-Managed Database of Building Designs ahd Evacuation Plans for Critical, http://www.ncsbcs.com/ National Institute of Standards and Technology. National Building and Fire Safety Investigation of the World Trade Center Disaster, 2002 National Research Council. Protecting Buildings for Bomb Damage: Transfer of Blast-Effects Mitigation Technologies from Military to Civilian Applications. Washington, D.C. 1995. Port Authority of New York/New Jersey. Steps Taken to Enhance Evacuation Efficiency. U.S. Department of Health and Human Services, National Institute for Occupational Safety and Health. Guidance for Protecting Building Environments from Airborne Chemical, Biological, or Radiological Attacks. May 2002. DHHS (NIOSH) Publication No. 2002-139 Presentations: ARUP, ArupFire. Study of Full Evacuation Procedures (computer modeling and high rise test). Donald Burns. Survivor testimony Fasten Paralyzed Veterans Association, Accessible Means of Egress/Emergency Evacuation for Persons with Disabilities, 2002. Gage - Babcock Associates, Inc. Analysis of performance based codes with computer modeling of smoke incident. Perkins Eastman Architects, P.C., 330 Jay Street; Hardened Building Components.

February 2003 WTC Building Code Task Force Page 17 Findings and Recommendations

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