Correspondence 3 pi - wZ3q
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June 22, 1999 ,
CfTY OF TIGARD
Dennis Batke OREGON
1810 NW Overton
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Portland, OR 97209
RE: Mtn. Pacific Machinery Building Plan Review
11705 SW 68th Site Plan Review
PC #: 6 -10c BUP#: 99 -00237 SIT# 99 -00029
Submittal documents for the above referenced project have been reviewed for conformance with the
applicable 1998 Oregon Specialty Codes and other applicable codes and standards. The following
comments are noted:
(ACCESSIBILITY
Provide a curb ramp at the passenger discharge aisle in accordance with OSSC, Section
0 1103.2.2.
CU The State now requires 7'0° clearance from grade to the bottom of accessible signage. Fines
are now $300.00. Provide details.
i 1/ The sink in the kitchen shall be accessible, OSSC, Chapter 11. Provide details.
4. Both exits shown on drawings A2 must be accessible.
( EROSION CONTROL I
1. USA requires plans provide details and standards for erosion control on a separate sheet.
( FIRE CODE
f ( 1 Two hydrants are required. Provide details. UFC (TVFR) Table A- 111 -A -1.
[FIRE AND LIFE SAFETY I
1. The south wall for that portion of the proposed addition shall be protected by one -hour
construction. Openings shall be protected by a fire resistive rating of 3 A hour. OSSC, Table
5A, provide details.
9 2
e The detail separating the °U" occupancy from the "B" does not comply. Provide details
�l �' , : ' showing a one -hour floor ceiling assembly. OSSC, Table 3B.
'SPECIAL INSPECTIONS I
1. Provide information on the attached forms and retum to this writer.
'STRUCTURAL I
1. Provide a copy of structural calculations.
13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772
,_,. ,. Mtn. Pacific Machinery Building Plan Review
ti. - PC#: 6 -10c BUP#: 99 -00237 SIT# 99 - 00029
Page #2
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Draft stops shall be installed in attics so the area between draft stops do not exceed 3,000
square feet and the greatest horizontal dimension does not exceed 60' [Section 708.3.1.2.2].
Note: See exception for sprinklered buildings.
✓ 3. In Seismic Zo 3 the potential for seismically- induced soil liquefaction and soil instability
0 4p shall be ev ated [OSSC, Section 1804.2].
A. Provide a eotechnical report assessing the potential consequences in accordance
9 P 9 P q
with OSSC, Section 1804.5.
4. Suspended acoustical ceiling systems shall comply with the following:
A. Be anchored to resist lateral seismic forces [OSSC, Section 1632 and Table 16-0].
Provide suspension wires not smaller than No. 12 gauge spaced at 4° O /C, perimeter
wires on terminal ends of cross and main runners at a maximum of 8° from each wall,
four No. 12 gauge wires splayed 90 degrees from each other at an angle not
exceeding 45 degrees from the plane of the ceiling with a strut centered and
- extending to the structural members supporting the floor or roof above and spaced
12° on center in both directions starting 6' from each wall, and
B. All lighting fixtures weighing less than 56 Ibs, shall be positively attached to the
suspended ceiling system [UBC Std., Section 25.213], and
C. #12 gauge wires shall be attached to the grid members within 3° of each comer of the
fixtures, and
D. Lighting fixtures shall have two No. 12 slack wires connected from the fixture to the
structure above, and
E. Ceiling- mounted air terminals or services weighing less than 20 Ibs. shall be
positively attached to ceiling runners.
i. Provide details in the revised plans.
F. T -Bar ceilings shall not be used to support partition walls.
5. The attachment of permanent equipment (HVAC) supported by the building's structural
components shall be designed to resist the total design seismic forces prescribed in Section
1632 of the Structural Specialty Code.
A. Provide an engineer's design specifying attachment requirements [OSSC, Section
106.3.2 and OMSC, Section 304.4].
Please submit three copies of revised submittal documents and a letter indicating your response to the
above comments for review. Please call me at (503) 639 -4171 if you have any questions.
Sin erely,
Aa'
Ro rt Poskin, CBO
SENIOR PLANS EXAMINER
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