Correspondence (2) City of Tigard, Oregon 13125 SW Hall Blvd. • Tigard, OR 97223 } ..
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June 4,, 2007
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RE: FIRE SPRINKLER SYS IEM
Project Information
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Building Permit: BUP2007 -00262 Construction Type: 3B
Tenant Name: Custom Decorators Occupancy Type: B
Address: 12006 SW Garden Pl. Occupant Load: 32
Area: 3225 Sq. Ft. Stories: 1
The plan review was performed under the State of Oregon Structural Specialty Code (OSSC)
2007 edition; National Fire Protection Association, Standard 13 (NFPA 13)2002 edition and the
State of Oregon Fire Code (OFC) 2007 edition. The submitted plans are approved subject to the
following.
GENERAL
1. 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. Sections 6.2.9.1 & 6.2.9.2 NFPA 13.
2. The spare sprinklers shall be kept in a cabinet located where temperatures will not
exceed 100 degrees "F" at any time. A special sprinkler wrench shall be provided and
kept in the sprinkler cabinet to be used in the removal and installation of sprinklers.
Sections 6.2.9.3 & 6.2.9.6 NFPA 13.
3. The clearance between the deflector and the top of storage shall be 18 inches or greater.
Section 8.6.6.1 NFPA 13. The distance shall be increased to 36 inches for Large Drop •
sprinkler heads. Section 8.11.6 NFPA 13
4. Sprinklers shall be located a minimum of 4 inches from walls and spaced not less than 6
feet on center. Sections 8.6.3.3 & 8.6.3.4.1 N ITA 13.
5. 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 '/2 inches. The diameter of the hole shall
be 4 inches larger than the penetrating pipe for pipe sizes 4 inches and larger. Sections
9.3.4.1 & 9.3.4.2 NFPA 13.
6. The system piping shall be braced to resist both lateral and longitudinal horizontal
seismic loads and to prevent vertical motion resulting from seismic loads. 9.3.5.1.1
NFPA13
Phone: 503.639.4171 • Fax: 503.684.7297 • www.tigard- or.gov • TTY Relay: 503.684.2772
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. 106.4.2 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.
Respectfully,
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Dan Nelson,
Senior Plans Examiner