Correspondence November 17, 2005 A
CITY OF TIGARD
First Response OREGON
4970 SW Griffith Dr.
Beaverton, OR 97005
RE: SMOKE/FIRE ALARM SYSTEM
Project Information
Building Permit: BUP2005- 00601 Construction Type:5 -B
Tenant Name: NW Medical Teams Occupancy Type: B -S1- Special Amusement
Address: 14150 SW Milton Ct Area: 61,126 sq. ft.
Stories: 2 Sprinklers: Yes
Hazard: Ordinary Group
The plan review was performed under the State of Oregon Structural Specialty Code (OSSC) 2004
edition; Oregon Fire Code 2004 edition and NFPA 72. The submitted plans are approved subject to
the following.
General requirements
A key box for building access may be required. Please contact the local Fire Marshal's Office for an
order form and instructions regarding installation and placement. (OFC 506)
1. Upon completion of the installation, a satisfactory test of the entire system shall be made in the
presence of the building official and fire code official. All functions of the system or alteration
shall be tested. 901.5 OSSC and NFPA 72 chapter 10
2. An approved automatic smoke detection system shall be provided in special amusement
buildings in accordance with this section. Exception: In areas where ambient conditions will cause a
smoke detection system to alarm, an approved alternative type of automatic detector shall be installed.
[F]907.2.11 OSSC
3. Activation of any single smoke detector, the automatic sprinkler system or any other automatic
fire detection device shall immediately sound an alarm at the building at a constantly attended
location from which emergency action can be initiated, including the capability of manual
initiation of requirements in Section 907.2.11.2. [F]907.2.11 OSSC
4. The activation of two or more smoke detectors, a single smoke detector with alarm verification,
the automatic sprinkler system or other approved fire detection device shall automatically:
1. Cause illumination of the means of egress with light of not less than 1 foot candle (11 lux)
at the walking surface level;
2. Stop any conflicting or confusing sounds and visual distractions; and
13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772
3.Activate an approved directional exit marking that will become apparent in an emergency.
Such system response shall also include activation of a prerecorded message, clearly audible
throughout the special amusement building, instructing patrons to proceed to the nearest exit.
Alarm signals used in conjunction with the prerecorded message shall produce a sound which
is distinctive from other sounds used during normal operation. The wiring to the auxiliary
devices and equipment used to accomplish the above fire safety functions shall be monitored
for integrity in accordance with NFPA 72. [F]907.2.11 OSSC
5. Connections to the light and power service shall be on a dedicated branch circuit. The circuit and
connections shall be mechanically protected. The circuit disconnecting means shall be accessible
only to authorized personnel and shall be clearly and permanently marked FIRE ALARM
CIRCUIT CONTROL. NFPA 72 4.4.1.4, 907.5 OFC
6. Projected beam type smoke detectors shall be located in accordance with the manufacturer's
documented instructions. NFPA 5.7.3.4.1
7 If mirrors are used with projected beams, the mirrors shall be installed in accordance with
manufacturer's documented instructions. NFPA 5.7.3.4.1
8. Projected beam type detectors and mirrors shall be mounted on stable surfaces to prevent false or
erratic operation due to movement. NFPA 5.7.3.4.6
9. Spot type smoke detectors installed on ceilings less than 28 ft, smooth ceiling spacing should be
used and the detectors can be located on the ceiling or the bottom of the beams.
NFPA 5.7.3.2.4 (B)
10. Spot type smoke detectors spacing of 30 ft shall be used as a guide. Other spacing shall be
permitted to be used depending on ceiling height, different conditions, or response requirements.
In all cases, the manufacturer's documented instructions shall be followed. NFPA 5.7.3.2.3
11. All power supplies shall be installed in conformity with NFPA 70. NFPA 72, 4.4.1.2
12. All primary and secondary power supplies shall be monitored for the presence of voltage at the
point of connection to the system. Failure of either supply shall result in a trouble signal in
accordance with 4.4.3.5. The trouble signal also shall be visually and audibly indicated at the
protected premises. NFPA 72, 4.4.7.3
13. Visual alarm signal appliances shall be integrated into the building or facility alarm system. At a
minimum, visual signal appliances shall be provided in buildings and facilities in each of the
following areas: 1109.14 OSSC
• restrooms and any other general usage areas
• meeting rooms
• classrooms
4 • hallways, lobbies, and any other area for common use.
14. Visual alarms shall be located not less than 80 inches and not more than 96 inches above floor
level. When a low ceiling exists, the visual alarm shall be mounted within the dimensions stated
above and at least 6 inches below the ceiling. 1109.14 OSSC, NFPA 72, 7.5.4
Approved Plans: 1 set of approved plans, bearing the City of Tigard approval stamp, shall be
maintained on the jobsite. The plans shall be available to the Building Division inspectors
throughout all phases of construction. 106.3.1 OSSC
Premises Identification: Approved numbers or addresses shall be provided for all new buildings in
such a position as to be plainly visible and legible from the street or road fronting the property.
When submitting revised drawings or additional information, please attach a copy of the enclosed
City of Tigard, Letter of Transmittal. The letter of transmittal assists the City of Tigard in
tracking and processing the documents.
Respect ,
Val Henzel,
Senior Plans Examiner
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