Correspondence December 19, 2005 `
CITY OF TIGARD
Protemp Associats OREGON
Bruce Butner
9788 SE 17 Ave
Portland, OR 97222
RE: HVAC — MATTHEWS GALLERY
Project Information
Building Permit: MEC2005 -00816 Occupancy Type: B
Tenant Name: Matthews Gallery Construction Type: VN
Address: 15800 SW Upper Boones Fry Area: 1,681 Sq Ft
Occupant Load: 32 Stories: 1
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. 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 least 60 pounds per square inch for not less than 30 minutes. OMSC C406.4.1
2. 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
3. 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
4. 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
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
6. Permanent equipment supported by the structure, 400 lbs and over, shall have their
attachments designed in accordance with the Building Code. 301.16 OMSC
13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772
7. Appliances serving different areas of a building other than where they are installed shall be
X permanently marked in an approved manner that uniquely identifies the appliance and the
area it serves. 304.10 OMSC
8. Appliances shall be accessible for inspection, service, repair or replacement without
removal of permanent construction. 306.1 OMSC
9. Manufacturer's installation instructions shall be available on the jobsite at the time of
inspection. 304.1 OMSC
10. 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
11. Metallic Ducts shall be supported in accordance with Sheet Metal & Air Conditioning
Contractors National Association, Inc. (SMACNA) — Metal and Flexible. OMSC 603.4
12. Condensate from cooling coils or evaporators shall be collected and discharged to an
approved plumbing fixture or disposal area. 307.1 OMSC
13. 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 & 606.4.1OMSC
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.
Respectfull
‘Henzel,
Senior Plans Examiner