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January 12, 2003

                             ET NEWS
================================================================
        NEWS AND INFORMATION FOR ENGINEERING TECHNICIANS
----------------------------------------------------------------
Issue No. 81           http://www.etnews.org           1-12-2003
================================================================

Contents
--------
- News
- ET Journal
- NICET Test Dates
- AFAA Class Schedule
- Comments and Contacts

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

Web-based training is now available! Read all about it at the
AFAA ONLINE LEARNING CENTER and then take the free smoke detector
course here:
http://www.afaa.org/afaa/AFAA%20Online%20Learning%20Center.asp

----------------------------------------------------------------

PORTLAND!
---------
Mark your calendar and be sure to attend the 3-day Intermediate
(NICET I & II) Fire Alarm seminar on February 18-20, 2003 at the
Airport Holiday Inn. Download more information here:
[requires Adobe Acrobat Reader]
http://www.afaa.org/afaa/PDF/IntFA_Portland_Feb2003.pdf

----------------------------------------------------------------

I'm working on another NICET element review handbook for Special
Hazards Suppression Systems in level I & II. It may be available
at the ISC-West in March if all goes well. I was careful not to
specify a year :)

I'm off to McAllen, TX this week.

Have fun!

Mike

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

Last week's installment of ET Journal marked the end of the
review of level II elements for Fire Alarm Systems. Once a NICET
element has been reviewed in the ET Journal it is archived
elsewhere within the ET News web site, which can be viewed by
following the links in the left column at http://etnews.org.

This week we start on level III, but first let's review the
NICET numbering scheme. NICET certifies the job knowledge and
work experience of engineering technicians and technologists in
10 fields and 20 sub-fields, which are identified as follows:

Field code ID number:
  001 - TRANSPORTATION ENGINEERING TECHNOLOGY
  002 - CONSTRUCTION MATERIALS TESTING
->003 - FIRE PROTECTION ENGINEERING TECHNOLOGY
  009 - GEOTECHNICAL ENGINEERING TECHNOLOGY
  021 - UNDERGROUND UTILITIES CONSTRUCTION
  022 - LAND MANAGEMENT AND WATER CONTROL
  023 - INDUSTRIAL INSTRUMENTATION ENGINEERING TECHNOLOGY
  024 - BUILDING CONSTRUCTION
  025 - GEOSYNTHETIC MATERIALS INSTALLATION INSPECTION
  026 - LOW VOLTAGE ELECTRONIC COMMUNICATIONS SYSTEMS

Sub-field code ID number:
  003 - FIRE PROTECTION ENGINEERING TECHNOLOGY
        (1) Automatic Sprinkler Systems Layout
        (2) Special Hazards Systems Layout (Program closed 1/01/00)
        (3) Fire Alarm Systems
        (4) Inspection and Testing of Water-Based Fire Protection
				    Systems
        (5) Special Hazards Suppression Systems


Each work element is identified with a five-digit number:
 xxxxx
 |||||
 ||Three-digit code to identify the specific element
 ||
 |Identifies the level & whether it's a general or special element:
 | 1 - level 1 general
 | 2 - level 1 special
 | 3 - level 2 general
 | 4 - level 2 special
 | 5 - level 3 general
 | 6 - level 3 special
 | 7 - level 4 general 
 | 8 - level 4 special
 |
 One-digit sub-field ID:
  1 - Automatic Sprinkler Systems Layout
  2 - Special Hazards Systems Layout (Program closed 1/01/00)
  3 - Fire Alarm Systems
  4 - Inspection & Testing of Water-Based Fire Protection Systems
  5 - Special Hazards Suppression Systems


In the end, 8 digits are used to describe each individual work
element. For example, this week we review:
 00335001
 ||||||||
 |||||001 - SURVEYS FOR FIRE DETECTION SYSTEMS
 |||||
 ||||5 - level 3 general element
 ||||
 |||3 - fire alarm systems sub-field
 |||
 003 - FIRE PROTECTION ENGINEERING TECHNOLOGY


NICET Fire Alarm Systems Level III
35001 SURVEYS FOR FIRE DETECTION SYSTEMS
----------------------------------------

35001 is a Level III 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.

35001 DESCRIPTION
Know the items required to achieve a complete survey of property
for layout of automatic fire detection systems plans. Determine
which classification of fire detectors (heat, smoke, etc.) is
most suitable for each section of the protected property and
determine the quantity required. Determine the best location and
most suitable type of alarm signals for the property and the best
location for the controls, annunciators, etc.
(Fire Alarm Signaling Systems, Fire Protection Handbook)

35001 REFERENCES:
Fire Alarm Signaling Systems
http://www.nfpa.org/catalog/product.asp?category%5Fname=&pid=fass94

Fire Protection Handbook
http://www.nfpa.org/catalog/product.asp?category%5Fname=&pid=fph1897

35001 DESCRIPTION BREAKDOWN:
"Know the items required to achieve a complete survey of property
for layout of automatic fire detection systems plans. Determine
which classification of fire detectors (heat, smoke, etc.) is
most suitable for each section of the protected property and
determine the quantity required. Determine the best location and
most suitable type of alarm signals for the property and the best
location for the controls, annunciators, etc."

"Know the items required to achieve a complete survey of property
for layout of automatic fire detection systems plans."

Checklist to achieve a complete survey include:
- Property Identification
- Property Use
- Site Information
- Construction
- Life Safety
- Water Supply and Distribution
- Extinguishing Systems and Devices
- Fire Alarm and Detection Systems
- Electrical Systems
- Heating, Ventilation, and Air-Conditioning (HVAC) Systems
- Fire Prevention
- Special Hazards and Equipment
- Construction, Demolition, and Modifications


"Determine which classification of fire detectors
(heat, smoke, etc.) is most suitable for each section of the
protected property and determine the quantity required."

Classification of fire detectors:
- Smoke sensing
- Heat sensing
- Radiant energy sensing
- Gas sensing
- Other


"Determine the best location and the most suitable type of alarm
signals for the property and where the controls, annunciators,
etc., should be located."

While performing a fire detection system survey, identify:
- Which type of fire detector is best suited for each section of
the property.
- The best location and most suitable type of notification
appliance to use.
- Determine the best location for the FACP and the annunciator.

Proper fire detection system design is arrived at as a result of
a survey which should consider the types of combustibles in the
property, possible fire scenarios, ceiling height, ceiling
configuration, and room ventilation.

Fire protection design requires the implementation of engineering
design and administrative controls.

Fire protection by design should consider passive protection and 
ctive protection. Passive fire protection centers on the control
of fire through building design. Active protection involves fire
control with specialized fire protection systems and equipment.
Active protection is accomplished through the use of suppression
systems and detection systems.

The design objectives of a fire alarm or fire detection system
must include the basic functions of the system. These functions
include notification for evacuation, alerting assistance,
detecting a specific stage of a fire, actuating suppression
system(s), and supervising processes that may lead to a fire.

The design criteria define the specific parameters of the system
that are to be included in the system specifications and
drawings. The criteria should include an area-by-area engineering
study that defines the type of combustibles in each area and
anticipates a likely fire scenario.

Construction features, such as ceiling height and construction,
are of utmost importance while considering the eventual fire
alarm system design. Ventilation and temperature should also be
considered as well as natural and mechanical airflow patterns. 

Design criteria describe system function and overall operation.
The design criteria must be prepared prior to the design of the
system, which includes technical data defining system purpose and
design objectives. In addition, design parameters, applicable
codes, standards and regulation, as well as quality assurance
requirements are considered.

As the ceiling height increases, a larger fire is required to
actuate the same detector in the same time frame. As ceiling
height increases heat detector spacing should be reduced.

Stratification of air in a room may hinder detection. In
installations, where stratification may possibly exist,
consideration should be given to mounting alternate detectors
below the ceiling.

Ceiling configuration greatly influences the spacing and total
number of detectors. Level ceilings are defined as having a slope
of 1.5 inches per foot or less.

Smooth ceilings are considered to be uninterrupted by continuous
projections such as solid joists, beams, or ducts projecting down
from the ceiling more than 4 inches.

Use the NFPA 72 to determine detector spacing on various ceiling
shapes.

Beam construction is defined as ceilings having solid structural
or solid non-structural members projecting down from the ceiling
more than 4 inches and spaced more than 3 feet on center.

Girders support beams or joists and run at right angles to the
beam or joist. Where a girder is located more than 4 inches from
the ceiling, it is not considered as a factor in detector location.

Open truss construction with a top chord measuring less than 4
inches, is not considered to be an impedance the flow of fire
products.

Spacing of flame detectors should be based upon engineering
judgment in accordance with their listed spacing and the
manufacturer's instructions. Flickering light sources, sunlight,
incandescent & fluorescent lights, and welding can affect the
operation of flame detectors.

The effects of room ventilation on smoke detector placement is
critical since smoke particles and fire gases are directly
influenced by air movement. The higher the air velocity becomes,
the more complex the system design. Smoke detectors should be
placed near return air registers not supply registers. Duct
detectors should not be used as a substitute for open area
protection.

For areas with high air movement smoke detector spacing needs to
be reduced.

Smoke detectors are normally listed to be installed in areas
where the ambient temperature is not more than 100° F nor less
than 32° F.

Local heat sources need to be considered in the design of heat
detector placement to guard against false alarm.

When making a survey of a room that has 2’ X 4’ ceiling tiles,
in the absence of measuring instruments, an acceptable means of
determining dimensions for square footage is to count ceiling
tiles.

When making a survey of an sheet metal rolling mill, for example,
be sure to obtain the following data:
- Installation drawings
- Flash point and nature of the cooling solvent
- Total volume of the room
- Location of personnel exits
- Number of personnel who must vacate

It is most important for the fire alarm control panel, or
annunciator to be located in a fire resistive area.

NEMA Training Manual on Fire Alarm Systems-1997 5.3.3
Chimes are soft-toned appliances. They are normally used in
applications where panic or other undesirable actions might
result from the use of loud audible alarm signals. Their use is
especially adaptable to such areas as nurses’ stations in
hospitals to alert only authorized personnel. They may be
operated by alternating current or direct current.


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 1/25/03. Postmark deadline 12/7/03.
Test 4/26/03. Postmark deadline 3/8/03.

OR2 Clackamas Community College, Oregon City;
Test 3/15/03. Postmark deadline 2/1/03.
Test 6/21/03. Postmark deadline 5/3/03.

WASHINGTON
----------
WA1 Bates Technical College, Tacoma;
Test 2/22/03. Postmark deadline 1/4/03.
Test 5/17/03. Postmark deadline 3/29/03.

WA2 Walla Walla Community College;
Test 2/22/03. Postmark deadline 1/4/03.
Test 5/17/03. Postmark deadline 3/29/03.

WA3 Spokane Community College;
Test 2/22/03. Postmark deadline 1/4/03.
Test 5/17/03. Postmark deadline 3/29/03.

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
================================================================

------------------
January 14-16, 2003 Denver, CO
Sponsored by the Rocky Mountain AFAA
------------------
Advanced Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/ADV_Denver_Jan2003.pdf

------------------
January 21-23, 2003 Oklahoma City, OK
Sponsored by OK AFAA
------------------
Intermediate Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/IntFA_OKC_Jan2003.pdf

------------------
January 21-23, 2003 Atlanta, GA 
------------------
Intermediate Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/IntFA_Atlanta_January2003.pdf

------------------
February 4-6, 2003 Orlando, FL
------------------
Advanced Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/ADV_Orlando_Feb2003.pdf

------------------
February 4-6, 2003 Las Vegas, NV
------------------
Intermediate Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/IntFA_LasVegas_Feb2003.pdf

------------------
February 10-13, 2003 San Diego, CA
Sponsored by CAFAA
------------------
Fire Alarm System Testing and Inspection Seminar.
http://www.afaa.org/afaa/PDF/INT_TI_CAFAA_SanDiego_February2003.pdf
Intermediate Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/INT_TI_CAFAA_SanDiego_February2003.pdf

------------------
February 11-13, 2003 Houston, TX
Co-sponsored by TFAA
------------------
Advanced Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/ADV_HOUSTON_Feb2003.pdf

------------------
February 18-20, 2003 Portland, OR
Co-sponsored by Oregon AFAA
------------------
Intermediate Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/IntFA_Portland_Feb2003.pdf

------------------
February 19-21, 2003 Raleigh, NC 
------------------
Intermediate Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/IntFA_Raleigh_February2003.pdf

------------------
February 25-27, 2003 Honolulu, HI
Co-sponsored by SFPE Hawaii Chapter 
------------------
Intermediate Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/IntFA_Honolulu_Feb2003.pdf

------------------
March 11-13, 2003 Dallas, TX - Sponsored by NSCA
------------------
Intermediate Fire Alarm Seminar. http://www.nsca.org

------------------
March 11-13, 2003 Deerfield Beach, FL (Ft. Lauderdale)
------------------
Intermediate Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/IntFA_Deerfield_March2003.pdf

------------------
March 17-20, 2003 Oakland, CA
Sponsored by CAFAA
------------------
Fire Alarm System Testing and Inspection Seminar.
More information will be available soon! 
Advanced Fire Alarm Seminar.
More information will be available soon!

------------------
March 25-26, 2003 Las Vegas, NV
Sponsored by ISC West
------------------
Fire Alarm System Testing and Inspection Seminar.
http://www.iscwest.com

================================================================
COMMENTS AND CONTACTS
================================================================

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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.