Correspondence October 3, 2005
CI OF Tie D
Automatic Fire Protection Systems OREGON
19435 SW 129 Avenue
Tualatin, OR
RE: FIRE SPRINKLER SYSTEM
Building Permit: BUP2005 -00512 Construction Type: NA
Tenant Name: VESTA Occupancy Type: B
Address: 11950 SW Garden Place Occupant Load: NA
Hazard: Light
The plan review was performed under the State of Oregon Structural Specialty Code (OSSC)
2004 edition; National Fire Protection Association, Standard 13 (NFPA 13)1999 edition and
the State of Oregon Fire Code (OFC) 2004 edition. The submitted plans are approved subject
to the following.
HYDROSTATIC TESTING
All piping and attached appurtenances shall be hydrostatically tested at 200 psi and shall
maintain that pressure without loss for 2 hours. The test pressure shall be read from a gauge
located at the low elevation point of the system or portion being tested. Section 10 -2.2.1
NFPA 13.
GENERAL
1. A key box shall be installed in a location approved by the Fire Chief. The key box
shall be of an approved type and shall contain keys to gain necessary access as
required by the fire code official. Section 506.1 OFC. Please contact Tualatin Valley
Fire & Rescue for key box information at 503- 612 -7010
2. A supply of spare sprinklers (never less than 6) shall be maintained on the premises
so that any sprinklers that have operated or been damaged in any way can be
promptly replaced. These sprinklers shall correspond to the types and temperature
ratings of the sprinklers on the property. Section 3 -2.9.1 NFPA 13.
3. A special sprinkler wrench shall be provided and kept in the sprinkler cabinet along
with the spare sprinklers to be used in the removal and installation of sprinklers.
Section 3 -2.9.2 NFPA 13.
4. The clearance between the deflector and the top of storage shall be 18 inches or
greater. The distance shall be increased to 36 inches for special sprinkler heads.
Section 5 -5.6 NFPA 13.
13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772
5. Sprinklers shall be located a minimum of 4 inches from walls and spaced not less
than 6 feet on center. Sections 5 -6.3.3 & 5 -6.3.4 NFPA 13.
6. Clearances shall be provided around all piping extending through platforms,
foundations, walls and floors. The diameter of the hole shall be 2 inches larger than
the penetrating pipe for pipe sizes 1 inch through 3 %s inches. The diameter of the hole
shall be 4 inches larger than the penetrating pipe for pipe sizes 4 inches and larger.
Section 6 -4.4.1 NFPA 13.
7. All valves controlling the water supply for automatic sprinkler systems and all water
flow monitoring devices shall be electrically monitored when the system serves more
than 20 heads. Section 903.4 OFC
8. An approved audible sprinkler flow alarm shall be provided on the exterior of the
building in an approved location. Such sprinkler water -flow devices shall be activated
by water flow equivalent to the flow of a single sprinkler of the smallest orifice size
installed in the system. Section 903.4.2 OFC
Approved Plans: l 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. 106.4.2 OSSC
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)
Brian Blab .
Senior Plans Examiner