Correspondence (Tia 264 '
'
September 1, 2005
CITY OF TIGARD
OREGON
American Heating Inc
Dale Hammett
1339 SE Gideon St
Portland, OR 97202
RE: TI MECHANICAL SYSTEM — ETHICS POINT
Proiect Information
Building Permit: MEC2005-00523 Occupancy Type: B
Tenant Name: Ethics Point Construction Type: II- B
Address: 13221 68 Parkway / a-'7 Occupant Load: unk
Area: Sq Ft Stories: 5
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. 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
3. Metallic Ducts shall be supported in accordance with Sheet Metal & Air Conditioning
Contractors National Association, Inc. (SMACNA) — Metal and Flexible. OMSC 603.4
4. Every refrigerant - containing part of every system that is erected on the premises, except
compressors, condensers, vessels, evaporators, safety devices, pressure gauges and control
mechanisms that are listed and factory tested, shall be tested and proved tight after
complete installation, and before operation. Tests shall include both the high - and low-
. pressure sides of each system at not less than the lower of the design pressures or the
setting of the pressure relief device(s). The design pressures for testing shall be those listed
on the condensing unit, compressor or compressor unit name - plate, as required by
ASHRAE 15. OMSC 1108.1
5. 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
13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772
4 4. .
6. Appliances shall be accessible for inspection, service, repair or replacement without
removal of permanent construction. 306.1 OMSC
7. Condensate from cooling coils or evaporators shall be collected and discharged to an
approved plumbing fixture or disposal area. 307.1 OMSC
8. 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 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
9. 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.
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.
Resp fully
al He 1,
Senior Plans Examiner