Correspondence 41
I L A I ,
January 13, 2005
,, CITY OF TIGARD
1 OREGON
AFP
Brian Olson
19435 SW 129 Ave
Tualatin, OR 97062
RE: EQUITY OFFICE ALERTATION, FIRE SPRINKLER SYSTEM
•
Project Information
Building Permit: BUP2005 -00002 Construction Type: II FR
Tenant Name: Equity Office Occupancy Type: B
Address: 10220 SW Greenburg Rd,T I Lincoln Occupant Load: NA
Area: NA Stories: Building 6
Hazard: Ordinary Group Commodity: IV
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
1 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
A key box at 503 -612 -7010
■
13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772
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 in the property. Standard 9-1, section 2 -2.7.1 OSSC
3. A special sprinkler wrench shall be provided and kept in the cabinet along with the
spare sprinklers to be used in the removal and installation of sprinklers. Standard 9 -1,
section 2 -2.7.2 OSSC
4. A minimum of 18 inches shall be maintained between top of storage and ceiling
sprinkler deflectors. The distance shall be increased to 36 inches for large drop
sprinkler heads. Standard 9-1, section 4 -4.1.6 and 44.3.2 OSSC
5. Sidewall sprinkler deflectors shall be located not more than 6 inches or less than 4
inches from walls and ceilings. Standard 9 -1, section 4- 4.2.3.3 OSSC
6. Clearances shall be provided around all piping extending through walls, floors,
platforms and foundations. Minimum clearance for pipe sizes 1 inch through 3 1 /2
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
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,
e iliA, ° 7 4(
Val Henzel,
Senior Plans Examiner