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Correspondence • / / %pllII 111 �� �' i � IAA Al March 5, 2004 `"" CITY OF TIGARD Brian G. Greenwood 319 SW Washington Street, #200 OREGON Portland, OR 97204 RE: MECHANICAL EQUIPMENT @ TWALITY �©3 Building Permit: MEC4 -00729 Construction Type: II -FR Tenant Name: Twality Middle School Occupancy Type: A2.1 Address: 14650 SW 97 Avenue Occupant Load: 656 Area: 5,305 Sq Ft Stories: 1 The plan review was performed under the State of Oregon Mechanical Specialty Code (OMSC) 2002 edition; and the Tualatin Valley Fire & Rescue Ordinance 99 -01 (TVFR99- 01) 1999 edition. The submitted plans are approved subject to the following. DEFERRED SUBMITTAL • The seismic anchorage for the equipment exceeding 400 lbs will be considered a deferred submittal. Provide calculations and details for the attachments to the Building Division prior to the installation of the equipment. The attachments shall be designed in accordance with the formulas in section 1632 of the Oregon Structural Specialty Code. GENERAL 1. Ductwork shall be supported in accordance with Sheet Metal & Air Conditioning Contractors National Association, Inc. (SMACNA) 2. Each appliance shall be provided with a shutoff valve separate from the appliance. The shutoff valve shall be located in the same room and within six feet of the appliance served. Access shall be provided to the shutoff valve. C409.5 OMSC 3. Equipment and appliances regulated by this code requiring electrical connections shall have a positive means of disconnect in accordance with the Electrical Code. 301.7 OMSC 4. Appliances serving different areas of a building other than where they are installed shall be permanently marked in an approved manner that uniquely identifies the appliance and the area it serves. 304.10 OMSC 5. Appliances shall be accessible for inspection, service, repair or replacement without removal of permanent construction. 306.1 OMSC • 13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772 6. Appliances installed on roofs or elevated structures exceeding 16 feet in height shall be provided with a permanent means of access grade or floor level. 306.5 OMSC 7. Manufacturer's installation instructions shall be available on the jobsite at the time of inspection. 304.1 OMSC 8. Condensate from cooling coils or evaporators shall be collected and discharged to an approved plumbing fixture or disposal area. 307.1 OMSC 9. Smoke detectors shall be installed in return air systems with a design capacity greater than 2000 cfm. Upon activation, the smoke detector shall shut down the air distribution system. Smoke detectors shall be connected to a fire alarm system and shall activate an audible and visible alarm at a constantly attended location. 606.2, 606.4 & 606.4.1 OMSC 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, L • tter of Transmittal. The letter of transmittal assists the City of Tigard in tracking and : r essing the documents. Respect rian • ock, Se ' • r Plans Examiner