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October 20, 2002

                             ET NEWS
================================================================
        NEWS AND INFORMATION FOR ENGINEERING TECHNICIANS
----------------------------------------------------------------
Issue No. 69                                          10-20-2002
================================================================

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

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

TEXAS
-----
AFAA discussion list participants shared some news from the TDLR
(Texas Department of Licensing and Regulation) regarding TAS
(Texas Accessibility Standards). "...Therefore, audible and
visual alarms complying with NFPA 72-1999, Chapter 4, will be
acceptable for compliance ..."

You can read the entire memo here:
http://www.license.state.tx.us/ab/info/TM%2002-03%20-%20Alarms.pdf 

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

SEATTLE
-------
Information regarding the Advanced Fire Alarm seminar to be held
in Seattle on December 3-5, 2002 is available at:
http://www.afaa.org/afaa/PDF/ADV_Seattle_Dec2002.pdf

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

I'm off to El Paso this week. Whoopi-tie-yay!

Have fun!

Mike

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

NICET Fire Alarm Systems Level II
33025 SPRINKLER WATERFLOW AND SUPERVISORY DEVICES
-------------------------------------------------

33025 is a Level II General Non-Core Work element.

33025 DESCRIPTION
Understand the operation, location, use, and interconnection to
a fire alarm system of various sprinkler wet and dry pipe alarm
devices such as water flow, pressure, temperature, and level,
retarding devices, gate valve supervisory switches, and fire
pumps. (NFPA 13 and 72, Fire Protection Handbook, and Fire Alarm
Signaling Systems)

33025 REFERENCES:
NFPA 13
http://www.nfpa.org/catalog/product.asp?category%5Fname=&pid=1399

NFPA 72
http://www.nfpa.org/catalog/product.asp?category%5Fname=&pid=7299

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

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

33025 DESCRIPTION BREAKDOWN:
Understand the operation, location, use, and interconnection to
a fire alarm system of various sprinkler wet and dry pipe alarm
devices such as water flow, ..."
NFPA 13-1996 2-9.1 Waterflow alarm apparatus shall be listed for
the service and so constructed and installed that any flow of
water from a sprinkler system equal to or greater than that from
a single automatic sprinkler of the smallest orifice sized
installed on the system will result in an audible alarm on the
premises within 5 min after such flow begins and until such flow
stops.

NFPA 13-1996 2-9.2.1 Wet Pipe Systems. The alarm apparatus for a
wet pipe system shall consist of a listed alarm check valve or
other listed waterflow detecting alarm device with the necessary
attachments required to give an alarm.

NFPA 13-1996 2-9.2.2 Dry Pipe Systems. The alarm apparatus for a
dry pipe system shall consist of listed alarm attachments to the
dry pipe valve. When a dry pipe valve is located on the system
side of an alarm valve, connection of the actuating device of
the alarms for the dry pipe valve to the alarm on the wet pipe
system is permitted.

NFPA 13-1996 2-9.2.3 Preaction and Deluge Systems. The alarm
apparatus for deluge and preaction systems shall consist of
alarms actuated independently by the detection system and the
flow of water.

NFPA 13-1996 2-9.2.4 Paddle-type waterflow alarm indicators
shall be installed in wet systems only.

NFPA 13-1996 A-2-9.2.4 The surge of water (in a dry pipe system)
when the valve trips may seriously damage the device.

NFPA 13-1996 4-15.1.1.1 Local waterflow alarms shall be provided
on all sprinkler systems having more than 20 sprinklers.

NFPA 72-1999 2-6.2 Initiation of the alarm signal must occur
within 90 seconds of waterflow at the alarm-initiating device
when flow occurs that is equal to or greater than that from a
single sprinkler of the smallest orifice size installed in the
system. Movement of water due to waste, surges, or variable
pressure must not be indicated.

NFPA 72-1999 2-6.3 Piping between the sprinkler system and a
pressure actuated alarm-initiating device must be galvanized or
of non-ferrous metal or other approved corrosion-resistant
material of not less than 3/8-inch nominal pipe size.

NFPA 72-1999 3-8.3.2.4.2 No more than five waterflow switches
are to be connected to a single initiating device circuit.

FASS-94 Chapter 3 Signal Initiation.


"... pressure, ..."
NFPA 72-1999 2-9.2 Pressure Supervisory Signal-Initiating Device.
Two separate and distinct signals shall be initiated: one
indicating that the required pressure has increased or decreased
and the other indicating restoration of the pressure to its
normal value. The following requirements shall apply to pressure
supervisory signal-initiating devices:
(a) A pressure tank supervisory signal-initiating device for a
pressurized limited water supply, such as a pressure tank, shall
indicate both high- and low-pressure conditions. A signal shall
be initiated when the required pressure increases or decreases
by 10 psi (70 kPa).

(b) A pressure supervisory signal-initiating device for a
dry-pipe sprinkler system shall indicate both high- and
low-pressure conditions. A signal shall be initiated when the
pressure increases or decreases by 10 psi (70 kPa).

(c) A steam pressure supervisory signal-initiating device shall
indicate a low-pressure condition. A signal shall be initiated
prior to the pressure falling below 110 percent of the minimum
operating pressure of the steam-operated equipment supplied.

(d) An initiating device for supervising the pressure of sources
other than those specified in 2-9.2(a) through (c) shall be
provided as required by the authority having jurisdiction.


"... temperature, ..."
NFPA 72-1999 2-9.4 Water Temperature Supervisory
Signal-Initiating Device. A temperature supervisory device for a
water storage container exposed to freezing conditions must
initiate two separate and distinctive signals. One signal will a
decrease in water temperature to 40°F and the other will
indicate its restoration to above 40°F.

NFPA 72-1999 2-9.5 Room Temperature Supervisory Signal-Initiating
Device. A room temperature supervisory device must indicate a
decrease in room temperature to 40°F its restoration to above
40°F.


"... and level, ..."
NFPA 72-1999 2-9.3 Water Level Supervisory Signal-Initiating
Device. Two separate and distinct signals must be initiated:
one indicating that the required water level has been lowered
or raised, and the other indicating restoration.

NFPA 72-1999 2-9.3.1 A pressure tank signal-initiating device
must indicate both high- and low-water level conditions. A
signal must be initiated when the water level falls 3 inches or
rises 3 inches.

NFPA 72-1999 2-9.3.2 A supervisory signal-initiating device for
other than pressure tanks must initiate a low-water level signal
when the water level falls 12 inches.


"... retarding devices, ..."
NFPA 72-1999 2-6.2 Initiation of the alarm signal must occur
within 90 seconds of waterflow at the alarm-initiating device
when flow occurs that is equal to or greater than that from a
single sprinkler of the smallest orifice size installed in the
system. Movement of water due to waste, surges, or variable
pressure must not be indicated.

NEMA Training Manual on Fire Alarm Systems-1997 4.4.1 Waterflow
Switch on Sprinkler Systems. Another type of alarm initiating
device which may be used is a sprinkler waterflow switch of
either the pressure or vane-type. The waterflow switch
illustrated in Figure 4-13 are of the vane-type and are generally
used in wet-pipe sprinkler systems. Operation of a sprinkler
head causes water to flow in the system moving the vane. After
an adjustable retard period to compensate for water surges, the
switch or transmitter connected to the fire alarm system will
operate. Vane-type switches should be installed in the size and
type of pipe for which they are listed.

FASS-94 Chapter 3 Waterflow Indicators: ... Motion of the vane
operates an alarm-actuating electric switch or mechanically trips
a signaling system transmitter. A mechanical, pneumatic, or
electrical time delay feature in the detector or electric
circuit, or a part of the signaling system transmitter, prevents
false alarms being given by fluctuating water pressures. The
retard feature should be of the instantly recycling type or
otherwise arranged to that the effect of a sequence of flows,
each of less duration than the predetermined retard period, will
not have a cumulative effect. Electrically heated thermal retards
have not performed satisfactorily. Waterflow indicators have no
provision for supplying water to water motor alarm gongs.


"... gate valve supervisory switches, ..."
NFPA 13-1996 3-3.2.3 Supervision. Sprinkler piping and fire
detection devices shall be automatically supervised where there
are more than 20 sprinklers on the system. All preaction system
types described in 3-3.2.1(b) and (c) shall maintain a minimum
supervising air pressure of 7 psi (0.5 bars).

NFPA 13-1996 3-3.3.1 Deluge Systems. The detection devices or
systems shall be automatically supervised.

NFPA 13-1996 4-14.1.1.3 Valves on connections to water supplies,
sectional control valves, and other valves in supply pipes to
sprinklers shall be supervised open by one of the following
methods:
(a) Central station, proprietary, or remote station signaling
service.
(b) Local signaling service that will cause the sounding of an
audible signal at a constantly attended point.
(c) Valves locked in the open position.
(d) Valves located within fenced enclosures under the control of
the owner, sealed in the open position, and inspected weekly as
part of an approved procedure.
Floor control valves in high-rise buildings and valves
controlling flow to sprinklers in circulating closed loop systems
shall comply with (a) or (b) above.
Exception: Supervision of underground gate valves with roadway
boxes shall not be required.

NFPA 72-1999 1-4 Supervisory Service. The service required to
monitor performance of guard tours and the operative condition of
fixed suppression systems or other systems for the protection of
life and property.

NFPA 72-1999 1-4 Supervisory Signal. A signal indicating the need
of action in connection with the supervision of guard tours, the
fire suppression systems or equipment, or the maintenance
features of related systems.

NFPA 72-1999 1-4 Supervisory Signal-Initiating Device. An
initiating device such as a valve supervisory switch, water level
indicator, or low-air pressure switch on a dry-pipe sprinkler
system whose change of state signals an off-normal condition and
its restoration to normal of a fire protection or life safety
system, or a need for action in connection with guard tours, fire
suppression systems or equipment, or maintenance features of
related systems.

NFPA 72-1999 2-9.1.1 Two separate and distinct signals shall be
initiated: one indicating movement of the valve from its normal
position and the other indicating restoration of the valve to its
normal position. The off-normal signal shall be initiated during
the first two revolutions of the hand wheel or during one-fifth
of the travel distance of the valve control apparatus from its
normal position. The off-normal signal shall not be restored at
any valve position except normal.

NFPA 72-1999 3-8.3.3.1.1 No more than twenty supervisory devices
are to be connected to a single initiating device circuit.

NFPA 72-1999 3-8.3.3.1.2 Provision will be made for supervising
the conditions that are essential for the operation of sprinkler
and other fire suppression systems, except those conditions
related to water mains, tanks, cisterns, reservoirs, and other
water supplies controlled by a municipality or a public utility.


"... and fire pumps."
NFPA 72-1999 3-8.3.3.2 Pump Supervision. Automatic fire pumps
and special service pumps shall be supervised in accordance with
NFPA 20, _Standard for the Installation of Centrifugal Fire Pumps_,
and the authority having jurisdiction.

NFPA 72-1999 3-8.3.3.2.1 Supervision of electric power supplying
the pump shall be made on the line side of the motor starter. All
phases and phase reversal shall be supervised.

NFPA 72-1999 3-8.3.3.2.2 If both sprinkler supervisory signals
and pump running signals are transmitted over the same path, the
pump running shall have priority.
Exception: Where the path is so arranged such that simultaneous
signals are not lost.

NFPA 20-1999 6-3.2.2.3(e) _Supervision_. The disconnecting means
shall be supervised in the closed position by one of the
following methods:
(1) Central station, proprietary, or remote signal device
(2) Local signaling service that will cause the sounding of an
audible signal at a constantly attended location
(3) Locking of the disconnecting means in the closed position
(4) Sealing of disconnecting means and approved weekly recorded
inspections where the disconnecting means are located within
fenced enclosures or in buildings under the control of the owner


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

From the NICET web site
http://63.70.211.210/cfdocs/nicetschedule1.cfm:
"It is anticipated that the 2003 schedule will be very similar
to the 2002 schedule. The dates for the first test cycle of 2003
will be January 26, February 23 and March 23. The first
application postmark deadline will be December 1, 2002. This
postmark deadline must be used by all examinees testing in the
first test cycle of 2003 until such time as the schedule for your
preferred sessions is established."

OREGON
------
PCC Sylvania, Portland;
Test 11/16/02. Postmark deadline 9/28/02.
Test TBA/03. Postmark deadline TBA/03.

Clackamas Community College, Oregon City;
Test 11/16/02. Postmark deadline 9/28/02.
Test TBA/03. Postmark deadline TBA/03.

WASHINGTON
----------
Bates Technical College, Tacoma;
Test 12/14/02. Postmark deadline 10/26/02.
Test TBA/03. Postmark deadline TBA/03.

Walla Walla Community College;
Test TBA/03. Postmark deadline TBA/03.
Test TBA/03. Postmark deadline TBA/03.

Spokane Community College;
Test 11/16/02. Postmark deadline 9/28/02.
Test TBA/03. Postmark deadline TBA/03.

For a complete list of all test centers and test dates, visit
http://63.70.211.210/cfdocs/nicetschedule.cfm

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

------------------
October 22-24, 2002 El Paso, TX - Co-sponsored by
Texas Fire Alarm Association
------------------
Intermediate Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/IntFA_ElPaso_Oct2002.pdf

------------------
October 28-30, 2002 Brockton, MA - Sponsored by
AFAA of New England
------------------
Intermediate Fire Alarm Seminar 10/28-30
http://www.afaa.org/afaa/PDF/IntFA_NE_Oct2002.pdf

------------------
November 4-7, 2002 Anaheim, CA - Sponsored by CAFAA
------------------
Fire Alarm System Testing and Inspections Seminar 11/4
http://www.afaa.org/afaa/PDF/INT_TI_CAFAA_ANAHEIM_November2002.pdf
Intermediate Fire Alarm Seminar 11/5-7 SOLD OUT!

------------------
November 12-14, 2002 Anaheim, CA - Sponsored by CAFAA
------------------
Intermediate Fire Alarm Seminar
http://www.afaa.org/afaa/PDF/IntFA_CAFAA_Anaheim2_Nov2002.pdf

------------------
November 12-15, 2002 Richmond, VA - Sponsored by Virginia AFAA  
------------------
Fire Alarm System Testing and Inspections Seminar 11/12
http://www.afaa.org/afaa/PDF/INT_TI_Richmond_Nov02.pdf
Intermediate Fire Alarm Seminar 11/13-15
http://www.afaa.org/afaa/PDF/INT_TI_Richmond_Nov02.pdf  

------------------
November 19-21, 2002 Salt Lake City, UT
------------------
Intermediate Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/IntFA_SaltLakeCity_Nov20021.pdf

------------------
December 2-5, 2002 Orlando, FL  
------------------
Fire Alarm System Testing and Inspections Seminar 12/2
http://www.afaa.org/afaa/PDF/INT_TI_Orlando_Dec2002.pdf
Intermediate Fire Alarm Seminar 12/3-5
http://www.afaa.org/afaa/PDF/INT_TI_Orlando_Dec2002.pdf

------------------
December 3-5, 2002 Seattle, WA
------------------
Advanced Fire Alarm Seminar.
http://www.afaa.org/afaa/PDF/ADV_Seattle_Dec2002.pdf

------------------
February 4-6, 2003 Orlando, FL
------------------
Advanced Fire Alarm Seminar.
More information will be available soon!

------------------
February 19-21, 2003 Raleigh, NC 
------------------
Intermediate Fire Alarm Seminar.
More information will be available soon!

================================================================
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reprinted material is not the complete and official position of
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trademarks of the National Fire Protection Association, Inc.,
Quincy, MA 02269. http://www.nfpa.org
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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.