California
Building Code
Dynasonics
UL Damper Requirements
2007 vs. 2001
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
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
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.
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2005: Rescinded NFPA-5000 & adopted IBC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: 2006-IBC modified to meet California requirements
2007: 2007-CBC Published July 1, 2007
January 1, 2008: 2007-CBC Enforcement Statewide
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.
Chapter 7
New Layout
2001-CBC
2007-CBC
Organized by Systems
Organized by Barrier Type






Structural Members
Projections
Joint Systems
...
Protection of Openings
...








Fire Walls
Fire Barriers
Shaft Enclosures
Fire Partitions
Smoke Barriers
...
Ducts & Air Transfer Openings
...
UL Dampers
Ratings
2001-CBC
2007-CBC
Concise – Few Trade-offs
By Barrier Type – Many Trade-offs
 713.10 Smoke Dampers
UL-555S
Class-2, 250°F (min)
 713.11 Fire Dampers
UL-555
1-1/2 Hour (Assemblies < 3hr)
3 Hour (Assemblies ≥ 3hr)
 710.3 Ceiling Radiation Dampers
Not Specified
 716.3.2 Smoke Dampers
UL-555S
Class-2, 250°F (min)
 716.3.1 Fire Dampers
UL-555
1-1/2 Hour (Assemblies < 3hr)
3 Hour (Assemblies ≥ 3hr)
 716.6.2.1 Ceiling Radiation Dampers
UL-555C
Fire Walls – 716.5.1
2007 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. (402.7.3)
Fire Barriers – 716.5.2
2007 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 111.
EXCEPTIONS:
NO SMOKE DAMPERS REQUIRED
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).
Shafts – 716.5.3
2007 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:
1.1 22 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 909.11.
3. Parking garage shaft separated by 2-hour rated construction.
4. The smoke damper interferes with 909 mechanical smoke control system.
Fire Partitions – 716.5.4
2007 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 111.
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.
Corridors – 716.5.4.1
2007 Damper Requirements
Smoke Dampers are required for all fire-resistance rated corridors.

Table 1017.1 defines fire-resistance rating by occupancy.

All CSFM regulated buildings require 1-hour rated corridors.

707.14.1 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.
2.
0.019” 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 111.
Same exceptions as SFM Regulated Buildings
NO SMOKE DAMPERS IN SPRINKLERED BLDG
Smoke Barriers – 716.5.5
2007 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.
Smoke Partition – 710.7
2007 Damper Requirements
Smoke partitions are typically not fire-resistance rated and are
constructed to limit the transfer of smoke.
 Locations: Elevator Lobby Alternative (707.14.1)
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.
2.
0.019” 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 111.
EXCEPTIONS:
1.
TRANSFER OPENINGS ONLY
The smoke damper interferes with 909 smoke control system.
Membrane Penetrations – 716.6.2
2007 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 712.4.1.2, and do
NOT pass through another dwelling unit or tenant space.
Note: The above applies to ALL BUILDINGS.
Fire Damper
Actuating Device
The fire damper shall close upon actuation one of the following:
1.
The operating temperature is ~ 50°F > the normal duct temperature, but not < 160°F.
2.
The operating temperature is ≤ 286°F where located in a 909 smoke control system.
3.
Combination fire/smoke dampers located in a 909 smoke control system
The operating temperature ≤ the UL 555S degradation test temperature and is:
Note:
a)
~ 50°F > the maximum smoke control system designed operating temperature, AND
b)
≤ 350°F
1. The above applies to ALL BUILDINGS
2. Option 1 & 2 matches 2001-CBC Section 713.101 NO CHANGE
3. Option 3 is NEW
Fire Damper
Actuating Device
350°F Maximum Temperature
Eliminates Dual Temperature Systems
 Eliminates Emergency Override @ Damper
 One Less Circuit to Wire and Program
 Damper Closure @ Max Temp



Simplified Design
Reduces Cost
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
Smoke Damper – 716.3.2.1 Actuating Device
The smoke damper shall close upon actuation of a listed smoke
detector installed in accordance with 907.10 and one of the following:
1. A duct mounted smoke detector installed within 5 feet of the damper.
2. A spot-type detector where a damper is installed above smoke barrier doors.
3. A spot-type detector installed within 5 feet of an unducted damper.
4. 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.
5.
A total-coverage smoke detector system.
Note: 1. The above applies to ALL BUILDINGS
2. The above matches 2001-CBC Section 713.10  NO CHANGE
Smoke Control
2001-CBC
Required Locations
2007-CBC
• 404.3.3 – Covered Malls
• 402.9 – Covered Malls
• 403.4 – High-Rise Buildings (B & R-1)
• 403.13 – High-Rise Buildings
• 402.2 – Atria
• 404.4 – Atriums
• 405.5 – Underground Buildings
• 408.8 – Windowless Buildings (I-3)
• 405.3.3.1 – Stages & Platforms
• 410.3.7.2 – Stage & Platforms
• 1025.6.2.1 – Assembly (Means of Egress)
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
Thank You for Your
Time!