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Correspondence July 16, 2003 Dave Medwid Sound Fire Protection 10756 SE Highway 212 Clackamas, OR 97015 RE: RELOCATE FIRE SPRINKLERS @ TWALITY • Project Information Building Permit: BUP2003 -00407 Construction Type: NA Tenant Name: Twality Middle School Occupancy Type: E -1 Address: 14650 SW 97 Avenue Occupant Load: NA Area: NA Stories: 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. 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 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 '/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, rian : ock, Seni j Tans Examiner