Correspondence September 17, 1998 OREG
OF T1
• REG
Air Comfort Inc.
6800 NE 50th Place
Portland, OR 97218 .
•
RE: Mookie Dental Lab Mechanical Plan Review
// 7 55 45755 Queen Elizabeth
PC #: 9-31c MEC #: 98 -0399
Submittal documents for the above referenced project have been reviewed for
conformance with the applicable 1996 Oregon Specialty Codes and other applicable
codes and standards. The following comments are noted:
I ENERGY CODE
1. Submit completed applicable Forms 4a through 4j, and required duct insulation
Form 4a through 4c of the Energy Code Compliance Manual (Revised April 1996).
I ENVIRONMENTAL AIR
1. Where required by OSSG, Section 1202.2 natural ventilation or a mechanically
operated ventilation system capable of supplying occupancy air in accordance
with OSSC, Table 12 -A shall be provided. •
When proposing to use the economizer of the HVAC system with the outside air
damper set to stay partially opened to provide occupancy ventilation, the
designer shall:
A. Document within the construction plans the anticipated occupancy load
for the design of the occupancy ventilation system and,
B. Provide detail of the modification to the HVAC economizer that will
prevent the building operator from adjusting the air damper to a fully
closed position at any time and,
C. Provide design specifications for the additional energy requirements
resulting from the air damper being partially open during the heating cycle
and,
D. Specify on the plans that the system shall operate during such times the
building or space is occupied.
i. Provide outside air specifications on revised plans.
Provide details in compliance with OSSC, Chapter 12.
•
13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772
Mookie Dental Lab Mechanical Plan Review
PC #: 9-31c BUP #: 98 -0399
Page #2
I COMBUSTION AIR I
1. Provide details on how you will provide combustion air to the two furnaces and
HWT in the compressor room, OMSC, Chapter 7.
2. Provide listings and details on the 1000 clIm hood for in the burnout room, as
well as on how makeup air will be introduced.
Please submit two 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.
Sincerely,
4 Ro ert Poskin, CBO
SENIOR PLANS EXAMINER
•