Correspondence (497) 16 OC6 — c?"?" --
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CITY OF TIGARD
March 27, 2003 OREGON
J.T. Roth Construction, Inc. FILE COPY
12600 SW 72 Suite 200
Tigard, OR 97223
Re: New Office Building
Proiect Information /
Address: 4.26@5 SW 68 Ave. Type of Construction: VN
Permit #: BUP2002 -00522 Sprinklered: No
MEC2002 -00548 Fire Walls: 1 -Hr. Corridor (see plans)
Occupancy: B Floor Area: 7,634 Sq. Ft.
Occupant Load: 72 Stories: 2
The City of Tigard Building Division has reviewed the submitted building plans for
the above referenced address in accordance with the Oregon Structural
Specialty Code (OSSC), 1998 edition, Uniform Fire Code (UFC) as amended by
Tualatin Valley Fire & Rescue and the Oregon Mechanical Specialty Code
(OMSC), 2002 edition. The plans are approved subject to the following
conditions.
Structural & Fire Life Safety Review Comments
1. Special inspections and structural observation are noted on Sheet 24 of
the plans. The special inspection agency has been identified as Carlson
Testing, Inc. Reports shall be sent to Hap Watkins, Inspection Supervisor
at 13125 SW Hall Blvd., Tigard, OR 97223. Any discrepancies shall be
brought to the immediate attention of the architecture or engineer of
record. Structural observation reports by the engineer of record shall also
be forwarded. OSSC Chapter 17 and 106.3.5
2. Deferred submittals are identified as manufactured roof trusses. All
deferred submittals shall be submitted to the engineer of record who shall
review them and then forward them to the City of Tigard Building Division
with a notation indicating that the deferred submittal documents have been
reviewed and they have been found to be in general conformance with the
design of the building. OSSC 106.3.4.2
13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772
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3. The east stairway and the connecting hall on the lower floor shall be
constructed as a 1 -Hour corridor. The walls and ceiling shall be of not less
than one -hour fire - resistive construction and all doors opening into it shall
be provided with tight fitting smoke - and - draft - control assemblies having a
fire- protection rating of not less than 20 minutes. The door and frame shall
be labeled with the rating followed by the letter "S."
4. A minimum 18 inch by 24 inch under floor access is required for the crawl
space. This opening shall be unobstructed. OSSC 2306.3
5. The manufacturer's specifications and installation instructions for the
proposed Class A roof shall be provided to the City of Tigard Building
Division prior to installation of the roof covering.
6. At least one (1) attic draft stop shall be installed above the second floor
ceiling so the attic area does not exceed 3,000 square feet and the
greatest horizontal dimension does not exceed 60 feet. OSSC 708.3.1.2.2.
Draft stop material shall comply with OSSC 708.3.1.3
7. Fire - resistive assemblies shall be maintained and all penetrations through
such assemblies shall be protected with penetration firestops in
accordance with OSSC 709.6 through 709.7 and 714.
8. Exit doors shall be openable from the inside without the use of a key or
any special knowledge or effort. OSSC 1003.3.1.8.
9. Stairways and handrails shall comply with the provisions of OSSC
1003.3.3.1 through 1003.3.3.7.
10. Exits signs shall be located to clearly indicate the direction of egress
travel. Signs shall have graphics and be illuminated as required by OSSC
1003.2.8
11. Minimum 2A,10BC fire extinguishers shall be provided throughout the
building so the travel distance between extinguishers does not exceed 75
feet. UFC Standard 10 -1.
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Accessibility — Chapter 11 Review Comments
1. Accessible parking shall be installed and signed in accordance with OSSC
1104.1 and ORS 447.233.
2. Handles, pulls, latches, locks and other operating devices on doors,
cabinets, plumbing fixtures and storage facilities shall have level or other
shape permitting operation by wrist or arm pressure and not require tight
grasping, pinching or twisting to operate. OSSC 1109.3.1.
3. Mounting heights for environmental and other controls, dispensers,
electrical and communication equipment system receptacles on walls and
other operable equipment shall be within at least one of the reach ranges
specified in Section 1109.2, and not less than 36 inches above the floor.
OSSC 1109.3.2.
4. Floor coverings and surfaces shall comply with OSSC 1109.6 for
accessibility.
5. Stairways shall comply with OSSC 1109.8 for accessibility.
6. Doors shall comply with the requirements of 1109.9 for width,
maneuvering clearances, thresholds, closers, hardware and opening
force. The opening force for exterior doors shall not exceed 8 % pounds
and interior door 5 pounds.
7. All restrooms shall be accessible and barrier free in accordance with
OSSC Chapter 11.
8. The room identified as the "Area of Rescue Assistance" shall be identified
with a sign which states: AREA OF RESCUE ASSISTANCE and
containing the international symbol of access. The sign shall be
illuminated when exit sign illumination is required. OSSC 1107.2.6
Mechanical Review Comments
1. Multiple air - handling systems with a design capacity greater than 2,000
cfm shall be provided in the return -air ducts and shall shut down the air
distribution system upon activation. OMSC 606
2. Condensate drains from the units shall be conveyed to an approved
location in accordance with OMSC 307.
3. Duct openings into the one -hour stairway or corridor shall be provided with
combination smoke /fire dampers. Access to such dampers shall be
permanently labeled on the exterior having letters not Tess than 1 /2 inch in
height reading: SMOKE DAMPER or FIRE DAMPER. Access doors shall
be tight fitting and suitable for the required duct construction. OSSC
713.10, 713.11 and OMSC 607
4. Rooftop units shall be permanently marked in an approved manner that
uniquely identifies the appliance and the area it serves. OMSC 304.10
General Review Comments
1. A copy of the approved plans shall be on the job site at all times and
available to the City of Tigard inspectors for inspection purposes. OSSC
Section 106.4.2
2. A final inspection and Certificate of Occupancy is required prior to
occupying for the intended use of this building or parts thereof. OSSC
Section 109.1
If you have questions regarding this review, please contact me at (503) 718-
2448.
Sincerely,
(Ad 1.0.4 A
Gary Lampella
Building Official
c. Hap Watkins, Supervising Inspector
File