Correspondence kiso
August 22, 2005 _ ..I
CITY OF TIGARD
. OREGON
Eslinger Builders Inc.
Casey Eslinger
11575 SW Pacific Hwy
Tigard, OR 97223
RE: MECHANICAL SYSTEM
Project Information
Building Permit: MEC2005 -00507 Occupancy Type: B
Tenant Name: Haines Crossing Building II Construction Type: 5 -B
Address: 6830 SW Atlanta St Occupant Load: 64
Area: 8,067 sq ft Stories: 2
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. 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. 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. Smoke detectors required by this section
shall be installed in accordance with NFPA 72. The required smoke detectors shall be
installed to monitor the entire airflow conveyed by the system including return air and
exhaust or relief air. Access shall be provided to smoke detectors for inspection and
maintenance. 606. OMSC
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.
OMSC 302. The cutting, notching and boring of framing members shall comply with
OMSC sections 302.3.1 through 302.5.3.
4. 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 no perceptible drop in pressure. For welded piping, and for piping carrying
gas at pressures exceeding 14 inches water column pressure, the test pressure shall be at
13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772
least 60 pounds per square inch for not less than 30 minutes. OMSC C406.4.1
4. 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
5. 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
6. Ductwork shall be supported in accordance with Sheet Metal & Air Conditioning Contractors
National Association, Inc. (SMACNA). OMSC 603
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
Premises Identification: Approved numbers or addresses shall be provided for all new buildings in
such a position as to be plainly visible and legible from the street or road fronting the property.
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 1 2j s
-0/
al He el,
Senior Plans Examiner