Correspondence February 17, 2004 I
CITY OF TIGARD
Brian Radabaugh
Cornerstone Construction Management OREGON
5410 SW Macadam Avenue, Suite 250
Portland, OR 97239
RE: MECHANICAL SYSTEMS
Building Permit: MEC2003 -00574 Construction Type: II -1 HR
Tenant Name: Metzger Elementary School Occupancy Type: E -1
Address: 10350 SW Lincoln Street Occupant Load: NA
Area: 67,749 Sq Ft Stories: 2
The plan review was performed under the State of Oregon Mechanical Specialty Code
(OMSC) 2002 edition; and the Tualatin Valley Fire & Rescue Ordinance 99 -01 (TVFR99-
01) 1999 edition. The plans are conditionally approved subject to the following.
DEFERRED SUBMITTALS
• Sections 15891 and 15892, part 2 of the project manual require design and details to
bear the stamp of a registered engineer. The details /design shall be for the support
of all ductwork. Submit the design/details to the City of Tigard, Building Division
for review prior to requesting ductwork inspections.
• Seismic anchorage for units exceeding 400 lbs. Submit the design/details for
Seismic Anchorage to the City of Tigard, Building Division for review prior to
requesting inspections for equipment requiring anchorage.
ITEMS UNDER SEPARATE PERMIT MEC2004 -00064
• Gas piping shall be installed as noted on sheets P0.1, P2.1 A, P2.1 B, P2.1 C, P2.2A,
P2.2B, P2.2C, P2.3C & P5.1 of approved plans, issue date 12 SEPTEMBER 2003.
• Hydronic piping shall be installed as noted on sheets M2.1 A, M2.1 B, M2.1 C,
M2.2C, M4.1, M6.1 and M6.3 of approved plans, issue date 12 SEPTEMBER 2003.
GENERAL
1. 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
2. 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
3. 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
4. Appliances shall be accessible for inspection, service, repair or replacement without
removal of permanent construction. 306.1 OMSC
5. 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
6. Manufacturer's installation instructions shall be available on the jobsite at the time of
inspection. 304.1 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. 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
9. Suspended -type unit heaters shall be supported by non - combustible elements that are
designed and constructed to accommodate the weight and dynamic loads 920.2
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
FYI A Boiler Permit is required for the project. Contact the Building Codes @ 503 -378-
4133 for the permitting process.
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 o =. truction. 106.4.2 OSSC
Respect ,
ri n ock,
Se lans Examiner