Correspondence City of Tigard, Oregon • 13125 SW Hall Blvd. • Tigard, OR 97223
V
November 7, 2005
TIGARD
Air Rite Control
Berry Sevy
1623 SE 6 Ave
Portland, OR 97214
RE: TWO PACKAGED MR CONDITION UNITS /DUCT - MECHANICAL SYSTEM
Project Information
Building Permit MEC2006 -00506
Tenant Name: Fanno Creek Brew Pub
Address: 12562 SW Main
The plan review was performed under the State of Oregon Mechanical Specialty Code (OMSC) 2004
edition. The submitted plans are approved subject to the following.
1. Equipment and appliances shall be installed as required by the terms of their approval, in
accordance with the conditions of the listing, the manufacturer's installation instructions and this
code. Manufacturer's installation instructions shall be available on the job site at the time of
inspection. OMSC 304.1
2. The building or structure shall not be weakened by the installation of mechanical systems. Where
floors, walls, ceilings or any other portion of the building or structure are required to be altered or
replaced in the process of installing or repairing any system, the building or structure shall be left
in a safe structural condition in accordance with the Building Code. The cutting, notching and
boring of framing members shall comply with OMSC 302 Sections 302.3.1 through 302.5.3.
3. 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. OR In occupancies not required to be equipped with a fire alarm
system, actuation of a smoke detector shall activate a visible and an audible signal in an approved
location. OMSC 606.
4. Equipment and appliances regulated by this code requiring electrical connections shall have a positive
means of disconnect in accordance with the Electrical Code. OMSC 301.7
5. Gas piping systems under 14 inches water column pressure, shall be tested at a pressure of not less
than 10 pounds per square inch gage. Test pressures shall be held for not less than 15 minutes with
Phone: 503.639.4171 • Fax: 503.684.7297 • www.tigard- or.gov • TTY Relay: 503.684.2772
no perceptible drop in pressure. For welded piping, and for piping carrying gas at pressures exceeding
14 inches water column (3484 Pa) pressure, the test pressure shall be at least 60 pounds per square
inch for not less than 30 minutes. C406.4.1
6. Ducts shall be supported with approved hangers at intervals not exceeding 10 feet or by other
approved duct support systems designed in accordance with the Building Code. Flexible and other
factory -made ducts shall be supported in accordance with the manufacturer's installation instructions.
OMSC 603.10
7. Metallic Ducts shall be supported in accordance with Sheet Metal & Air Conditioning Contractors
National Association, Inc. (SMACNA) — Metal and Flexible. OMSC 603.4
8. Appliances shall be accessible for inspection, service, repair or replacement without removal of
permanent construction. 306.1 OMSC
9. Condensate from cooling coils or evaporators shall be collected and discharged to an approved
plumbing fixture or disposal area. 307.1 OMSC
10. Guards shall be provided where appliances are located within 10 feet of the roof edge or open side
of a walking surface and such edge or open side is located more than 30 inches above the floor, roof or
grade below. The guard shall be 42 inches above the elevated surface with an intermediate rail so as
not to allow the passage of a sphere, 21 inches in diameter. 304.9
Mercury Thermostats. The State. of Oregon prohibits the installation of thermostats that contain
mercury in commercial and residential buildings. "In accordance with ORS 455.355, the disposal of
thermostats that contain mercury shall be in accordance with programs established by thermostat
manufacturers, their representative or distributor, or by delivery to sites that will ensure that the
mercury does not become part of the solid waste stream or wastewater."
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.
Respec d o r z7
Val Henzel,
Senior Plans Examiner
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