Correspondence September 14, 2004
CITY OF TIGARD
Scott Austin OREGON
Fire Systems West
600 SE Maritime Avenue, Suite 300
Vancouver, WA 98661
RE: CONVERSION OF DRY SPRINKLER SYSTEM
Project Information
Building Permit: BUP2004 -00399 Construction Type: 3N
Tenant Name: Utility Industrial Occupancy Type: 113
Address: 7805 SW Hunziker Occupant Load: NA
Hazard: Extra, Group 1
The plan review was performed under the State of Oregon Structural Specialty Code (OSSC)
1998 edition; and the Tualatin Valley Fire & Rescue Ordinance 99 -01 (TVFR99 -01) 1999
edition. The submitted plans are approved subject to the following.
FLUSHING
The fire service mains shall be completely flushed before connection is made to the sprinkler
piping. The flow rate shall not be less than the hydraulically calculated water demand of the
system including any hose requirements. Standard 9 -1, section 8 -2.1 OSSC
HYDROSTATIC TESTING
All interior piping 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. Standard 9 -1, section 8 -2.2.1 OSSC.
GENERAL
1. A key box shall be installed within 20 feet of the riser room entrance. The bottom of
the key box shall be not less than 8 feet nor more than 10 feet above the walking
surface unless approved by the Fire Chief 902.4.2 TVFR99 -01 Contact TVF &R for
keybox at 503- 612 - 7010. An existing keybox is acceptable.
2. Clearances shall be provided around all piping extending through walls, floors,
platforms and foundations. Minimum clearance for pipe sizes 1 inch through 3 t/2
13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772
inches shall be not less than 1 inch. Minimum clearance for pipes 4 inches and larger
shall be 2 inches. Standard 9 -1, section 4- 5.4.3.4
3. Monitoring. All valves controlling the water supply shall be electrically monitored.
Section 904.3.1 OSSC
4. An approved audible sprinkler flow alarm shall be provided on the exterior of the
building in an approved location. An approved audible sprinkler flow alarm to alert
the occupants shall be provided in the interior of the building in a normally occupied
location. 904.3.2 OSSC
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.
Respect
Brian : ock,
Se. Plans Examiner