Correspondence April 5, 2006
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CITY OF TIGARD
OREGON
DTS Systems, Inc
Drexel White
7905 SW Nimbus Ave
Beaverton, OR 97008
RE: MODIFICATION - FIRE ALARM SYSTEM/DUCT DETECTORS
Project Information
Building Permit: BUP2006- 10024 Construction Type: V B
Tenant Name: Verizon Tigard Central Office Occupancy Type: B
Address: 8840 SW Burnham Occupant Load: 93
The plan review was performed under the State of Oregon Structural Specialty Code (OSSC)
2004 edition; and the Oregon Fire Code 2004 edition. The submitted plans are approved
subject to the following.
General requirements
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. 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. 907.5 OFC
3. All power supplies shall be installed in conformity with NFPA 70. NFPA 72 4.4.1.2
4. 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
5. 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. NFPA 72 -7.5.4
6. The location of all detectors in air duct systems shall be permanently and clearly
identified and recorded. NFPA 72 - 5.14.5.4
13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772
7.Detectors shall be mounted in accordance with the manufacturer's instructions and shall
be accessible for cleaning in accordance with NFPA 90A. NFPA 72 - 5.14.5.3
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.
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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.
Respectful!
al Henze!,
Senior Plans Examiner