Features and Highlights - Canadian Fire Safety …...Features and Highlights Author humphrey Created...
Transcript of Features and Highlights - Canadian Fire Safety …...Features and Highlights Author humphrey Created...
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CFSA Technical Presentation
February 2, 2005
Presented by: Jeff Stoner
Welcome’s you!
“Electromagnetic Locks, Electric Strikes and Building Codes”
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TODAY’S AGENDA
• Electromagnetic Lock operation and application.
• A look at the components necessary to ensure
emergency release?
• Electric Strike operation and application.
• A review of the NBC, OBC & HRSDC.
• Questions and Discussion.
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Electromagnetic
Locks
VS
Electric Strikes
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Electromagnetic Locks
Limits both access to and egress out of an area while maintaining life safety at all times.
Common Electromagnetic Lock Applications
• Retail Loss Prevention – Big Box Stores
• Airports
• Hospitals – Maternity Wards
• Long Term Health Care
• Psychiatric Hospitals
• Delayed Egress Applications
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Electric Strikes
Limit access to an area but allow free exit!
Common Electric Strike Applications
• Banking Institutions
• Industrial Buildings
• Educational Facilities
• Health Care Facilities
• Retail Outlets
• Office Complexes
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Electromagnetic Locks
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Laminated “E” Plate
Wound Bobbin
Inserting Bobbin into “E” Plate
Electromagnetic Core Assembly
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What’s Inside a Magnetic Lock?
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• ULC Certified?
• Must have positive latching on Fire Separations
• Operate on low voltage – 12 or 24 VDC
• Fail UNLOCKED – when power fails, locks releases!
• Do not contain latches or pins!
• Strength is measured in holding force – 300lbs to 2000lbs.
General Information
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8310-IQ
8372
8380
8371
8320 8375
Double Door
Architectural
Traffic Controlt
Small Enclosures
Exterior
Single Door
8310
Sliding Doors
Single Door
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Bond Sensor
Secured Status
(Green LED Indication)
Door Status
Sensor in Maglock
Position of Door
Door Status
Contact in Armature
Position of Door
Bond Sensor
Unsecured Status
(Red LED Indication)
Magnetic Lock Monitoring Options
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Electromagnetic Lock Special Applications
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Electromagnetic Lock Special Applications
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Electromagnetic Lock Special Applications
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Electric Strikes
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Insert, Motor or Solenoid
Lip Bracket
Faceplate
Electric Strike Assembly
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What’s Inside an Electric Strike?
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Basic Hardware Terminology
• Strike Plate
– Refers to the “metal plate” that is on the door
frame, that the lock latch enters when the door is
closed
• Electric Strike
– An electro-mechanical device that replaces the
standard “strike” that allows the door to be
opened without the lock latch being retracted (as
in normal use)
– Often also just called a “strike”
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Basic Hardware Terminology
• Latch
– The piece (sometimes 1 pc, sometimes 3 pc’s) that projects from
the lock casing, and into the frame, which holds the door closed
• ANSI
– American National Standards Institute – an organization that
sets standards for the door and frame industry
• ANSI -Prep.
– 1-1/4 x 4-7/8 is the standard size of cut out for the strike plate (as
well as electric strike) in commercial door frames
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Basic Hardware Terminology
• Mortise lock.
– A type of lock that is “mortised” into the
door through a cut out on the edge of the
door. Can be offset from center of cut out.
• Cylindrical Lock.
– A type of lock that is mounted into the door
through the “face” of the door
• Rim Lock
– A type of lock that is mounted on the face
of the door
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Aluminium, Hollow Metal, Wood or Glass
Mortise, Cylindrical, Rim Exit Device
Type of frame:
Lock type:
When choosing an electric strike, there are several key questions you MUST ask:
Latch location: Centerline or offset
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• Fail Locked or Fail Unlocked?
• Fail Locked – power fails the strike is secure.
Exit is granted from the inside, however,
door is secure from the outside. All exterior doors.
Definitions:
• Fail Unlocked – power fails the strike is unsecure.
Exit is granted from both sides of the door.
Internal, non emergency exit doors only.
Door hardware must be locked on both sides
of the door. Similar operation to a maglock.
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• Operate on low voltage – 12 or 24 AC or DC
• Is the opening “fire rated”?
• If so, a “fire rated” strike should be used – tested to withstand
fire for up to 1.5 hours to ensure door remains latched.
Other Considerations
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Cylindrical
Cylindrical Fire Rated
Cylindrical Adjustable 7114
Same faceplate options as Standard
Same faceplate options as Standard
Horizontal
Adjustment
WHI Label
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Rim Exit Device
Mortise & Mortise Offset
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All in one Electric Strikes!
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• Unique design makes it
the most fail safe device
• Control both access and egress yet ensure safety
• Building Code considerations
• Positive latching recommended by
choice or code.
• Compatible with most door hardware including exit devices
• Limit access but allow free egress
• Fire rated openings
Electromagnetic Locks vs. Electric Strikes
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Coffee Break!!!!!
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National Building Code &
Ontario Building Code
Door Release Hardware
3.4.6.15.
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What is the alternative to
Electromagnetic Locks?
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Building owners chain or pad lock doors to prevent theft!!!
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Obviously, we do not want this to occur!
“Electromagnetic locks are intended for use where there is need for
security additional to that provide by traditional exit hardware. They
are not intended for indiscriminate use as alternative locking devices”.
“The design of these devices requires evaluation to ensure that their
operation will be fail-safe in allowing exiting in the event of
foreseeable emergencies”.
Electromagnetic Locks – NBC & OBC Appendix
A-3.4.6.15 (4)
The solution? Use proper locking hardware
while following the appropriate code to ensure
life safety!
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There are three sets of Magnetic Lock standards in Canada
2. Ontario Building Code – applies to all non-federally owned
or leased buildings in Ontario.
1. National Building Code – applies to all non-federally owned
or leased buildings outside of Ontario.
3. Government of Canada (HRSDC) – applies to all federally
owned or leased buildings in Canada.
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National Building Code
Door Release Hardware
3.4.6.15.
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Electromagnetic Locks are permitted when…….
National Building Code 3.4.6.15 (4)
• The building is equipped with a fire alarm system,
• The lock releases immediately upon actuation of a
manually operated authorized switch,
• The lock does not incorporate latches or pins,
• The lock releases upon actuation of the alarm signal,
• The lock releases immediately upon loss of power
controlling the locking mechanism and its associated
auxiliary controls,
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Electromagnetic Locks are permitted when…..
National Building Code 3.4.6.15 (4)
• A sign is mounted on the door indicating the lock
will release within 15 seconds of applying pressure
to the door hardware.
• A force of not more than 90 N applied to the door
hardware initiates an irreversible process that will
release the device within 15 seconds and not relock
until the door has opened,
• Upon release, the lock can be reset manually by
the authorized switch,
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Ontario Building Code
Door Release Hardware
3.4.6.15.
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(a) an exit from a floor area containing an assembly occupancy
has an occupant load greater than 100
(b) a door leading to an exit lobby from an exit stair shaft, and
an exterior door leading from an exit stair shaft in a building
has an occupant load greater than 100,
(c) an exit door from a floor area is considered a high hazard
industrial occupancy
Openings require an Exit Device – No occupancy restrictions in NBC
Electromagnetic Locks are NOT permitted when……
Ontario Building Code 3.4.6.15 (2)
(b) The building is an elementary or secondary school
Ontario Building Code 3.4.6.15 (5)
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Exit Devices or Panic Hardware
Ensures a large number of people can exit a building in an emergency – OBC Appendix
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In Ontario, Electromagnetic Locks are permitted…..
3. When a permit is requested from the appropriate
building department.
4. When the appropriate drawings are provided detailing
location of pull stations, magnetic locks, etc.
1. In most other applications, however, please check
with the local authority having jurisdiction.
2. On exterior doors leading from exit stairs in Group B,
Division 2 or Group 3 major occupancy – Care & Detention
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Electromagnetic Locks are permitted when……
Ontario Building Code 3.4.6.15 (4)
• The building is equipped with a fire alarm system,
• The locks do not incorporate latches or pins,
• The lock releases upon actuation of the alarm signal
in single stage fire alarm system,
• The lock releases immediately upon loss of power
controlling the locking mechanism and its associated
auxiliary controls,
• The lock releases upon actuation of the (1st stage) alert
signal in a 2 stage system except in care and detention
occupancy, where it can release on (2nd stage) alarm signal,
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Electromagnetic Locks are permitted when…..
Ontario Building Code 3.4.6.15 (4)
• The lock releases upon the operation of a manual
pull station located 600 mm from the door.
• The lock releases upon a fault between fire alarm control
panel and the controller of the locking device
• The lock releases immediately upon actuation of a
manually operated authorized switch located in main
entrance or central alarm and control facility,
• A legible sign reading Emergency Exit Unlocked by
Fire Alarm is permanently mounted on the door,
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Electromagnetic Locks are permitted when….
Ontario Building Code 3.4.6.15 (4)
• Emergency lighting provided at the doors.
• The operation of the switch causes an audible signal
and a visual signal to be indicated at the fire alarm
annunciator panel and at the monitoring station,
• The lock must be reset manually by the switch,
Note: OBC does not reference Delayed Egress!
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Human Resources and Skills
Development (HRSDC)
Building Safety (Door Release) –
Canada Labour Code Part II –
COSHR
No. 922-1-1-IPG-044
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Electromagnetic Locks are permitted when……
HRSDC Building Safety (Door Release)
• Same basic requirements as NBC with two additions.
• The electromagnetic lock and the primary door opening
hardware are designed and installed in conformance with
CAN/ULC-S533, Standard for Egress Door Securing and
Releasing Devices.
• The total delay in egress time by electromagnetic locks
from any point within the floor area to an exterior open
space is not more than 15 seconds.
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The Electromagnetic Lock Power Supply
Fault detection
Fire alarm connection for emergency release
Instant unlock upon AC failure
Manual override connection
Manual reset connection
What is the key component that makes this all happen?
ULC Listed, if necessary.
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New Advances in
ULC Listed Power Supplies
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Choosing the correct Power Supply
Which electric locking product?
What voltage (V)?
What current rating (A)?
Such as an electric strike or an electromagnetic lock NOTE: Electromagnetic locks will require an Fire Disconnect Relay!!
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Key Switches
Allows for authorized personnel to manually override and re-set the access control system
There may be other “acceptable” manually operated switches other than key switches allowed for use. However, building supervisor/security personal should be concerned with unauthorized access to system when considering acceptability of the proposed manually operated switch.
How do we achieve manual override and reset?
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The locking device releases immediately upon the
operation of a manual pull station for the fire alarm
system located on the wall not more than 600 mm
(23-5/8”) from the door
In large addressable type fire alarm systems, a pull
station incorporating two sets of contacts MAY be
required to meet O.B.C. 3.4.6.15 (4) (f) ………….
“Immediate release”
Emergency Pull Stations
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Building Code Signs
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Alarmed Exit Devices
Designed to meet all building code requirements when the use of electromagnetic locks is prohibited!!
Allow free egress at all times but equipped with sounder to notify security that door has been opened!!
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Electromagnetic Lock Considerations
• Positive latching is required in Fire Separations
• Access switch required i.e. Keypad, Card Reader
• Egress switch is required i.e. push button, motion detector
• Building must have a fire alarm system
• Limits both access and egress under normal conditions
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Electromagnetic Lock Considerations
• Building must have manual override/reset switch
• Fire Alarm Disconnect Power Supply
• Magnet must release on loss of power to fire alarm
• Pull Station (DPDT if required)
• Consult Authority Having Jurisdiction
• Emergency Exit Door Sign
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EMERGENCY EXIT UNLOCKED
BY FIRE ALARM
PUSH UNTIL ALARM SOUNDS DOOR CAN BE
OPENED WITHIN 15 SECONDS
DEMO!!
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Thank You
Please visit our website at
www.rutherfordcontrols.com