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June 8, 2003

                             ET NEWS
================================================================
        NEWS AND INFORMATION FOR ENGINEERING TECHNICIANS
----------------------------------------------------------------
Issue No. 102          http://www.etnews.org            6-8-2003
================================================================

Contents
--------
- News
- ET Journal
- NICET Test Dates
- AFAA Class Schedule
- Comments & Acknowledgements

================================================================
NEWS
================================================================

I'll see you in Sacramento this week.

Have fun!

Mike
mailto:mbbaker@etnews.org

================================================================
ET JOURNAL
================================================================

NICET Fire Alarm Systems Level IV
37005 AVOIDANCE OF NUISANCE ALARMS
----------------------------------

37005 is a Level IV General Core work element.

General Work Elements are categorized as either Core or Non-Core
Work Elements. All Level III General Core Work Elements
constitute a mandatory requirement for achieving certification at
Levels III and IV.

37005 DESCRIPTION
Understand the importance of proper location of fire detectors
and the need for an ongoing maintenance program for automatic
fire alarm systems. Understand available system features to
reduce unwanted alarms from smoke detectors and other initiating
devices, including alarm verification for spot type smoke
detectors, positive alarm sequencing, cross zoning, electronic
and pneumatic retard mechanisms for sprinkler water flow
switches, and presignal systems (where permitted by the AHJ).
(NFPA 72, NFPA 101, UL 864, ANSI A17.1, Training Manual on Fire
Alarm Systems, Fire Protection Handbook.)

37005 REFERENCES:
NFPA 72
http://www.etnews.org/index.php?s=461&bid=5

NFPA 101
http://www.etnews.org/index.php?s=461&bid=11

UL 864
http://global.ihs.com/doc_detail.cfm?currency_code=USD&customer_
id=2125423E4C0A&shopping_cart_id=2725585B2E4A30484D594020260A&co
untry_code=US&lang_code=ENGL&item_s_key=00097267&item_key_date=0
30104&input_doc_number=ul%20864&input_doc_title=

ANSI A17.1
http://global.ihs.com/doc_detail.cfm?currency_code=USD&customer_
id=21254A334B0A&shopping_cart_id=2725382B2B4B204C4A5A3020250A&co
untry_code=US&lang_code=ENGL&item_s_key=00006947&item_key_date=9
91231&input_doc_number=ASME%20A17%2E1&input_doc_title=>

Training Manual on Fire Alarm Systems
http://global.ihs.com/doc_detail.cfm?customer_id=%21%25I%2AL%0A&
shopping_cart_id=%26%27H3%29I%40HJ%0A&country_code=US&lang_code=
ENGL&document_name=NEMA%20TRAINING%20MANUAL&input_doc_number=&in
put_doc_title=training%20manual%20fire

Fire Protection Handbook
http://www.etnews.org/index.php?s=461&bid=7

37005 DESCRIPTION BREAKDOWN:
Understand the importance of proper location of fire detectors
and the need for an ongoing maintenance program for automatic
fire alarm systems. Understand available system features to
reduce unwanted alarms from smoke detectors and other initiating
devices, including alarm verification for spot type smoke
detectors, positive alarm sequencing, cross zoning, electronic
and pneumatic retard mechanisms for sprinkler water flow
switches, and presignal systems (where permitted by the AHJ).

Glossary of terms

Alarm verification. A feature of automatic fire detection and
alarm systems to reduce unwanted alarms wherein smoke detectors
report alarm conditions for a minimum period of time, or confirm
alarm conditions within a given time period after being reset,
in order to be accepted as a valid alarm initiation signal.

Positive alarm sequence. An automatic sequence that results in
an alarm signal even when manually delayed for investigation,
unless the system is reset.

Cross-zone. An initiating circuit configuration, which allows an
alarm only after two or more devices, is in alarm.

Electronic/pneumatic retard. An adjustable time delay mechanism
in a water flow switch located between the paddle operated stem
and the initiating contacts. This type of switch is designed to
prevent brief water flow surges due to water hammer and/or
pressure variations from causing an unwanted alarm signal.

Presignal. A feature that allows initial fire alarm signals to
sound only in department offices, control rooms, fire brigade
stations, or other constantly attended central locations and for
which human action is subsequently required to activate a general
alarm, or a feature that allows the control equipment to delay
the general alarm by more than 1 minute after the start of the
alarm processing.
on Outline

NFPA 72-1999 1-5.4.10 here allowed by the authority having
jurisdiction, systems are permitted to have a feature that allows
initial fire alarm signals to sound only in department offices,
control rooms, fire brigade stations, or other constantly
attended central locations and for which human action is
subsequently required to activate a general alarm, or a feature
that allows the control equipment to delay the general alarm by
more than 1 minute after the start of the alarm processing. If
there is a connection to a remote location, the transmission of
the alarm signal to the supervising station will activate upon
the initial alarm signal.

NFPA 72-1999 3-8.3.2.3.1 Systems equipped with alarm verification
features are permitted under the following conditions:
 o The alarm verification feature is not initially enabled unless
 conditions or occupant activities that are expected to cause
 nuisance alarms are anticipated in the area that is protected
 by the smoke detectors. Enabling of the alarm verification
 feature will be protected by password or limited access.
 o A smoke detector continuously subjected to a smoke
 concentration above alarm threshold does not delay the system
 functions of 1-5.4 by more than 1 minute.
 o Actuation of an alarm-initiating device other than a smoke
 detector causes the system functions of 1-5.4 without additional
 delay.

When the alarm verification feature is enabled, disabled, or
changed, the comments section of the Record of Completion
(Figure 1-6.2.1 item 10) will be used to record the status or
change to system operation.

NFPA 72-1999 A-1-5.4.10 A system provided with an alarm
verification feature as permitted by 3-8.3.2.3.1 is not
considered a presignal system, because the delay in the signal
produced is 60 seconds or less and requires no human
intervention.

The following locations are examples of areas not normally
suitable for spot type smoke detectors:
 o Attic
 o Laundry
 o Kitchen
 o Garage

NFPA 72-1999 2-3.3.2 Smoke detectors that have the provision for
field adjustment of sensitivity will have an adjustment range of
not less than 0.6 percent per foot obscuration. If the means of
adjustment is on the detector, a method will be provided to
restore the detector to its factory calibration. Detectors that
have provision for program- controlled adjustment of sensitivity
are permitted to be marked with their programmable sensitivity
range only.

Cross-zoned smoke detectors arranged in a 2-zone matrix with an
AND gate will not initiate an alarm until at least one smoke
detector in each zone are in an alarm condition. This is a common
method used in suppression systems to reduce the likelihood of
an unwanted (nuisance) alarm releasing suppressant.


THE INFORMATION HEREIN IS PROVIDED AS A GUIDE ONLY AND IS
INTENDED TO ASSIST YOU IN PREPARING FOR AN EXAM. IT IS NOT
INTENDED TO BE INCLUSIVE OF ALL INFORMATION THAT MAY BE ON AN
EXAM BUT RATHER IT IS INTENDED TO BE A SMALL SAMPLE OF THE KIND
OF MATERIAL THAT YOU MAY BE EXPECTED TO KNOW.

================================================================
NICET TEST DATES
================================================================

OREGON
------
OR1 PCC Sylvania, Portland;
Test 7/26/03. Postmark deadline 6/7/03.
Test 11/15/03. Postmark deadline 9/27/03.

OR2 Clackamas Community College, Oregon City;
Test 6/21/03. Postmark deadline 5/3/03.
Test 9/27/03. Postmark deadline 8/9/03.

WASHINGTON
----------
WA1 Bates Technical College, Tacoma;
Test 7/26/03. Postmark deadline 6/7/03.
Test 11/15/03. Postmark deadline 9/27/03.

WA2 Walla Walla Community College;
Test 9/27/03. Postmark deadline 8/9/03.
Test 11/15/03. Postmark deadline 9/27/03.

WA3 Spokane Community College;
Test 8/23/03. Postmark deadline 7/7/03.
Test 11/15/03. Postmark deadline 9/27/03.

These dates are from the NICET web site. For a complete list of
all test centers and test dates, visit:
http://63.70.211.210/cfdocs/nicetschedule.cfm

================================================================
AFAA CLASS SCHEDULE
================================================================

------------------
June 9-12, 2003 Sacramento, CA - Sponsored by CAFAA
------------------
Fire Alarm System Testing and Inspections Seminar.
Intermediate Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/INT_TI_CAFAA_Sacramento_June2003.pdf

------------------
June 17-19, 2003 Las Vegas, NV
------------------
Intermediate Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/IntFA_LasVegas_June2003.pdf

------------------
June 18-20, 2003 Minneapolis, MN - Conducted by MN AFAA
------------------
Intermediate Fire Alarm Seminar.
More information will be available soon.

------------------
June 18, 2003 Cincinnati, OH
------------------
Fire Alarm System Testing and Inspections Seminar
http://www.afaa.org/afaa/PDF/TI_Cincinnati2003.pdf

------------------
June 23-25, 2003 Wichita, KS - Sponsored by KS AFAA
------------------
Intermediate Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/IntFA_Wichita_June2003.pdf

------------------
July 8-10, 2003 Seattle, WA
------------------
Intermediate Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/IntFA_Seattle_July2003.pdf

------------------
July 8-10, 2003 Yonkers, NY - Sponsored by NYBFAA
------------------
Intermediate Fire Alarm Seminar.
For more information contact NYBFAA at
mailto:executivedirector@nybfa.org

------------------
July 22-24, 2003 Chicago, IL
------------------
Advanced Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/ADV_Chicago_July2003.pdf

------------------
August 5-7, 2003 St. Louis, MO
------------------
Intermediate Fire Alarm Seminar
More information will be available soon.

------------------
August 19-21, 2003 Denver, CO - Co-sponsored by Rocky Mtn AFAA
------------------
Intermediate Fire Alarm Seminar
More information will be available soon.

------------------
September 15-18, 2003 Oakland, CA - Sponsored by CAFAA
------------------
Plan Review Seminar
Intermediate Fire Alarm Seminar
More information will be available soon.

------------------
September 16-18, 2003 Boston, MA - Sponsored by New England AFAA
------------------
Fire Alarm System Testing and Inspections Seminar
Automatic Fire Detection and Fire Alarm Systems Seminar (Fund.)
More information will be available soon.

------------------
September 22-25, 2003 Lafayette, LA - Sponsored by LA AFAA
------------------
Fire Alarm System Testing and Inspections Seminar
Intermediate Fire Alarm Seminar
More information will be available soon.

------------------
October 8-9, 2003 Wichita, KS - Sponsored by KS AFAA
------------------
Plans Review Seminar.
Fire Alarm System Testing and Inspections Seminar.
More information will be available soon.

------------------
October 15-17, 2003 Boston, MA - Sponsored by New England AFAA
------------------
Intermediate Fire Alarm Seminar
More information will be available soon.

------------------
October 21-23, 2003 Anchorage, AK
------------------
Advanced Fire Alarm Seminar
More information will be available soon.

------------------
November 3-6, 2003 Anaheim, CA - Sponsored by CAFAA
------------------
Plan Review Seminar
Advanced Fire Alarm Seminar
More information will be available soon.

------------------
November 4-7, 2003 Boston, MA - Sponsored by New England AFAA
------------------
Advanced Fire Alarm Seminar
More information will be available soon.

------------------
November 21, 2003 Reno, NV
------------------
Plan Review Seminar
More information will be available soon.

------------------
December 2-4, 2003 Phoenix, AZ - Co-sponsored by AZ AFAA
------------------
Advanced Fire Alarm Seminar
More information will be available soon.

------------------
December 9-11, 2003 San Antonio, TX - Co-sponsored by TX AFAA
------------------
Advanced Fire Alarm Seminar
More information will be available soon.

================================================================
COMMENTS AND ACKNOWLEDGEMENTS
================================================================

Engineering Technician info: http://www.bls.gov/oco/ocos112.htm

ET News is published weekly and if possible, delivered on Sunday

ET News php/MySQL site by: Doug Hockinson http://metrodenver.org

The NICET acronym found herein refers to http://www.nicet.org
NATIONAL INSTITUTE FOR CERTIFICATION IN ENGINEERING TECHNOLOGIES

The AFAA acronym found herein refers to http://www.afaa.org
AUTOMATIC FIRE ALARM ASSOCIATION "AFAA is celebrating 50 years!"
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reprinted with permission from one or more of the following;
NFPA 70 National Electrical Code(r), NFPA 72 National Fire Alarm
Code(r), and NFPA 101(r) Life Safety Code(r), Copyright(c) NFPA,
Quincy, MA 02269. This reprinted material is not the complete and
official position of the NFPA on the referenced subject, which is
represented only by the standard in its entirety.
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This reprinted material is not the complete and official position of the NFPA on the referenced subject, which is represented only by the standard in its entirety.