Correspondence • —444
September 9, 2005 •
•
CITY OF TIGARD
OREGON
Arrow Mechanical
Art
10330 SW Tualatin Rd
Tualatin, OR 97062
RE: TI MECHANICAL SYSTEM — JO ANN'S FABRIC
Project Information
Building Permit: MEC2005 -00546 Occupancy Type: M
Tenant Name: Jo Ann's Construction Type: 5- B
Address: 11945 SW Pacific Hwy #250 Stories: 1
The plan review was performed under the State of Oregon Mechanical Specialty Code
(OMSC) 2002 edition; The submitted plans are approved subject to the following.
1. 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
2. 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
3. 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.
4. 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. 603.10 OMSC
5. Metallic Ducts shall.be supported in accordance with Sheet Metal & Air Conditioning
. Contractors National Association, Inc. (SMACNA) — Metal and Flexible. OMSC 603.4
13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772
•
6. Equipment and regulated by this code requiring electrical connections shall
have a positive means of disconnect in accordance with the Electrical Code. 301.7 OMSC
7. Appliances shall be accessible for inspection, service, repair or replacement without
removal of permanent construction. 306.1 OMSC
8. Condensate from cooling coils or evaporators shall be collected and discharged to an
approved plumbing fixture or disposal area. 307.1 OMSC
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."
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.
Respect lly
Val Henze',
Senior Plans Examiner
•
•
•