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Correspondence December 20, 2004 y ' ' CITY OF TIG D OREGON Fortis Construction INC Two Centerpointe Dr. #525 Lake Oswego, OR 97035 RE: ASSOCLATED BUSINESS SYSTEMS, FIRE SPRINKLER SYSTEM Project Information A Building Permit: BUP2004 -00583 Construction Type: 5N Tenant Name: Associated Business Systems Occupancy Type: B,S2,A3 Address: 7440 SW Bonita Occupant Load:NA Area: NA Stories: 1 Hazard: Ordinary Group Commodity: NA 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 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 4 -4.3.2 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 7. Monitoring, Section 904.3.1 OSSC. All valves controlling the water supply for automatic sprinkler systems and all water flow monitoring devices shall be electrically monitored where the number of sprinklers are; • Twenty or more in group 1, Divisions 1.1 and 1.2 Occupancies. • One hundred or more in all other occupancies. 8. 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. Reespectfu ly, a enz- Senior Plans Examiner