1. 2007-CBC - UL Damper Requirements
California Building Code
UL Damper Requirements
2007 vs. 2001
Dynasonics

2. 2007-CBC - UL Damper Requirements
Agenda
2007-CBC  Big Changes
IBC / CBC Brief History
UL Damper Requirements (2007-CBC)
Smoke Control – Overview of Required Locations
Q&A – as we go

3. International Building Code Development History
2007-CBC - UL Damper Requirements
International Building Code Development History
1994: ICBO, BOCA, & SBCCI form the International Code Council (ICC) to create a single national model building code.
1997: 1st Edition of the International Building Code (IBC)
NFPA & ICC Split over consensus process
2003: 3rd Edition of IBC – Widely Adopted
2006: 4th Edition of IBC – Current Edition

4. IBC Adoption - Nationwide
2007-CBC - UL Damper Requirements
IBC Adoption - Nationwide
State or Local Adoption
IBC - 47 states + Washington, D.C.
IRC - 45 states + Washington, D.C.
IFC - 41 states + Washington, D.C.

5. California Building Code Recent History
2007-CBC - UL Damper Requirements
California Building Code Recent History
1997: Final UBC Cycle (1997-CBC)
2000: Readopted 1997-UBC (2001-CBC)
2003: NFPA-5000 adopted in split vote
Never published due to recall of Gov. Davis
2005: Rescinded NFPA-5000 & adopted IBC
2006: IBC modified to meet California requirements
2007: CBC Published July 1, 2007
January 1, 2008: CBC Enforcement Statewide

6. 2007-CBC - UL Damper Requirements
UBC vs. IBC Overview
2001-CBC
Progressive
Sprinklers + Compartmentalization  Balanced & Complementary
2006-IBC
Chapter 7 Based on BOCA
Extensive Sprinkler Tradeoffs Singular Focus on Sprinklers
 Height & Area
 Fire Resistive Construction
 Smoke Control
2007-CBC*
Amended to ~ 2001-CBC
Eliminated numerous tradeoffs Sprinklers + Compartmentalization
 Height & Area
 Fire Resistive Construction
+ Smoke Control in High-Rise
* CSFM modifications DON’T apply to: Group B, F, M, S, & U, except as required in Section 111.

7. 2007-CBC - UL Damper Requirements
Chapter 7 New Layout
2001-CBC
Organized by Systems
Structural Members
Projections
Joint Systems
...
Protection of Openings
2007-CBC
Organized by Barrier Type
Fire Walls
Fire Barriers
Shaft Enclosures
Fire Partitions
Smoke Barriers
...
Ducts & Air Transfer Openings

8. 2007-CBC - UL Damper Requirements
UL Dampers Ratings
2001-CBC
Concise – Few Trade-offs
Smoke Dampers UL-555S Class-2, 250°F (min)
Fire Dampers UL /2 Hour (Assemblies < 3hr) 3 Hour (Assemblies ≥ 3hr)
710.3 Ceiling Radiation Dampers Not Specified
2007-CBC
By Barrier Type – Many Trade-offs
Smoke Dampers UL-555S Class-2, 250°F (min)
Fire Dampers UL /2 Hour (Assemblies < 3hr) 3 Hour (Assemblies ≥ 3hr)
Ceiling Radiation Dampers UL-555C

9. 2007-CBC - UL Damper Requirements
Fire Walls – Damper Requirements
Walls located on lot lines or that segregate areas into separate buildings. Fire walls run from exterior wall to exterior wall, from foundation to or through the roof, and are self supporting during a fire.
All Buildings  Fire Dampers Only NO EXCEPTIONS
No penetrations are allowed on lot lines. (705.11)
One of the few allowable penetrations to fire walls is between an anchoring building and a covered mall. ( )

10. Fire Barriers – 716.5.2 2007 Damper Requirements
2007-CBC - UL Damper Requirements
Fire Barriers – Damper Requirements
Shaft enclosures, exit enclosures, exit passageways, horizontal exits, incidental use areas, occupancy separations, and exterior walls
CSFM Regulated Buildings  Fire & Smoke Dampers Group A, E, H, I, L, & R, High-Rise buildings, & others per Section 111.
EXCEPTIONS: 1. Tested per ASTM E119 without fire damper  Doesn’t exempt the smoke damper.
2. The fire or smoke damper interferes with 909 smoke control system.
Non-CSFM Regulated Buildings  Fire Dampers Only Group B, F, M, S, & U, except as required in Section NO SMOKE DAMPERS REQUIRED
EXCEPTIONS: 1. Tested per ASTM E119 without fire damper.
2. The fire damper interferes 909 smoke control system.
3. In barriers rated ≤1 hour with minimum 26 ga fully ducted HVAC system in fully sprinklered buildings (other than group H).

11. Shafts – 716.5.3 2007 Damper Requirements
2007-CBC - UL Damper Requirements
Shafts – Damper Requirements
Extending through one or more stories in a building, connecting vertical openings in successive floors, or floors and roof.
All Buildings  Fire & Smoke Dampers
Fire Damper EXCEPTIONS: inch subduct with continuous exhaust airflow.
1.2 Tested per ASTM E119 without fire damper.
1.3 The fire damper interferes with 909 smoke control system.
1.4 Parking garage shaft separated by 2-hour rated construction.
Smoke Damper EXCEPTIONS: 2. Kitchen, dryer, and bathroom exhaust in fully sprinklered group B or R occupancies with 22” subduct and continuously running fan per
3. Parking garage shaft separated by 2-hour rated construction.
4. The smoke damper interferes with 909 mechanical smoke control system.

12. Fire Partitions – 716.5.4 2007 Damper Requirements
2007-CBC - UL Damper Requirements
Fire Partitions – Damper Requirements
Walls separating dwelling units or tenant spaces in covered malls, corridor walls, elevator lobby separations, and exterior walls.
CSFM Regulated Buildings  Fire Dampers Only Group A, E, H, I, L, & R, High-Rise buildings, & others per Section NO EXCEPTIONS
Non-CSFM Regulated Buildings  Fire Dampers Only Group B, F, M, S, & U, except as required in Section 111.
EXCEPTIONS: 1. Tenant separations or corridor walls in fully sprinklered buildings with ducts protected as through penetration per Section 712.
2. Tenant partitions in covered malls where walls do not extend to the underside of the floor or roof.
3. 26 ga duct < 100 in2 with no openings to corridor or adjacent rooms, AND
The opening is protected with a 12” x 16 ga sleeve with 1-1/2” x 1-1/2” x 16 ga retaining angles AND
The annular space between the wall and sleeve is filled with mineral wool bating on all sides.

13. Corridors – 716.5.4.1 2007 Damper Requirements
2007-CBC - UL Damper Requirements
Corridors – Damper Requirements
Smoke Dampers are required for all fire-resistance rated corridors.
Table defines fire-resistance rating by occupancy.
All CSFM regulated buildings require 1-hour rated corridors.
Elevator Lobbies  Smoke dampers requirements = corridor requirement.
CSFM Regulated Buildings  Fire & Smoke Dampers Group A, E, H, I, L, & R, High-Rise buildings, & others per Section 111.
Fire Damper EXCEPTIONS: See Fire Partitions.
Smoke Damper EXCEPTIONS: 1. The smoke damper interferes with 909 mechanical smoke control system.
” thick duct and no openings to corridor serving the corridor.
Non-CSFM Regulated Buildings  Fire & Smoke Dampers Group B, F, M, S, & U, except as required in Section NO SMOKE DAMPERS IN SPRINKLERED BLDG
Same exceptions as SFM Regulated Buildings

14. Smoke Barriers – 716.5.5 2007 Damper Requirements
2007-CBC - UL Damper Requirements
Smoke Barriers – Damper Requirements
Bisects each floor of an underground building, bisects each patient floor of a hospital, hospital egress & areas of refuge.
All Buildings  Smoke Dampers
EXCEPTION: Openings in steel ducts limited to a single smoke compartment.
Note: Fire damper requirements are not clearly spelled out, but it’s a safe bet that they should be included given the 1-hour fire resistance rating of all smoke barriers.

15. Smoke Partition – 710.7 2007 Damper Requirements
2007-CBC - UL Damper Requirements
Smoke Partition – Damper Requirements
Smoke partitions are typically not fire-resistance rated and are constructed to limit the transfer of smoke.
Locations: Elevator Lobby Alternative ( )
CSFM Regulated Buildings  Smoke Dampers Group A, E, H, I, L, & R, High-Rise buildings, & others per Section 111.
EXCEPTIONS: 1. The smoke damper interferes with 909 smoke control system.
” thick duct and no openings to corridor serving the corridor.
Non-CSFM Regulated Buildings  Smoke Dampers Group B, F, M, S, & U, except as required in Section TRANSFER OPENINGS ONLY

16. Membrane Penetrations – 716.6.2 2007 Damper Requirements
2007-CBC - UL Damper Requirements
Membrane Penetrations – Damper Requirements
Ducts and air transfer openings that penetrate the ceiling membrane (NOT the floor or roof) of a fire-resistance rated floor/ceiling or roof/ceiling assembly shall be protected by either:
1. A shaft enclosure in accordance with Section 707, OR,
2. A ceiling radiation damper installed at the ceiling line.
EXCEPTIONS: 1. Tested per ASTM E119 without a ceiling radiation damper.
2. Exhaust ducts are located within the cavity of the wall, are protected per , and do NOT pass through another dwelling unit or tenant space.
Note: The above applies to ALL BUILDINGS.

17. Fire Damper Actuating Device
2007-CBC - UL Damper Requirements
Fire Damper Actuating Device
The fire damper shall close upon actuation one of the following:
The operating temperature is ~ 50°F > the normal duct temperature, but not < 160°F.
The operating temperature is ≤ 286°F where located in a 909 smoke control system.
Combination fire/smoke dampers located in a 909 smoke control system The operating temperature ≤ the UL 555S degradation test temperature and is:
~ 50°F > the maximum smoke control system designed operating temperature, AND
≤ 350°F
Note: 1. The above applies to ALL BUILDINGS
2. Option 1 & 2 matches 2001-CBC Section  NO CHANGE
3. Option 3 is NEW

18. Fire Damper Actuating Device 350°F Maximum Temperature
2007-CBC - UL Damper Requirements
Fire Damper Actuating Device 350°F Maximum Temperature
Eliminates Dual Temperature Systems
Eliminates Emergency Damper  Simplified Design
One Less Circuit to Wire and Program  Reduces Cost
Damper Max Temp  Maintains Safety
Smoke Detector Override Only in 2007-CBC
Fire Damper Override Required in 2001-CBC
Dual Temperature Circuit 2001-CBC (T >286°F)
Single Temperature Circuit 2007-CBC

19. Smoke Damper – 716.3.2.1 Actuating Device
2007-CBC - UL Damper Requirements
Smoke Damper – Actuating Device
The smoke damper shall close upon actuation of a listed smoke detector installed in accordance with and one of the following:
A duct mounted smoke detector installed within 5 feet of the damper.
A spot-type detector where a damper is installed above smoke barrier doors.
A spot-type detector installed within 5 feet of an unducted damper.
Where a damper is installed in a corridor wall or ceiling, the damper shall be permitted to be controlled by a smoke detection system installed in the corridor.
A total-coverage smoke detector system.
Note: 1. The above applies to ALL BUILDINGS
2. The above matches 2001-CBC Section  NO CHANGE

20. Smoke Control Required Locations
2007-CBC - UL Damper Requirements
Smoke Control Required Locations
2001-CBC
– Covered Malls
403.4 – High-Rise Buildings (B & R-1)
402.2 – Atria
– Stages & Platforms
2007-CBC
402.9 – Covered Malls
– High-Rise Buildings
404.4 – Atriums
405.5 – Underground Buildings
408.8 – Windowless Buildings (I-3)
– Stage & Platforms
– Assembly (Means of Egress)

21. 2007-CBC - UL Damper Requirements
Summary
2007-CBC  Big Changes
CAUTION  CSFM vs. NON-CSFM Regulated Buildings
CSFM Bldg  Similar to 2001-CBC
NON-CSFM  Big Difference
New Format  Barrier Driven + Detail + Trade-Offs
350°F Single Temp Closure  Simple + Cost + Safety

22. 2007-CBC - UL Damper Requirements
Thank You for Your Time!