TAB Journal Spring 2018 - 14

backdraft dampers were found
to be covered with stones, twigs,
straw and bird feces.
Apparently, the fan's belt had
been broken for some time. It
allowed birds to climb in through
the fan's blades to create their
home. This was also relayed to
the engineer. An order was issued
to replace the fan, roof curb and
backdraft dampers.
Completing As-Found Air Flow
Investigations on retro-fit projects
before the project starts avoids
delays and added costs.

Backdraft dampers covered in stones and debris.

AABC Lunch & Learn Presentations For Engineers
AABC members are always available to meet with your firm to discuss best
practices for testing and balancing. Whether you would like a presentation
covering a variety of the most important testing and balancing concepts for
engineers, or a more specific topic, let us know and we will arrange for an
AABC expert to address your team at no charge!

TOPICS INCLUDE:
Test & Balance Primer for Engineers
n Hot Water Reheat Balancing
n

n
n

Duct Leakage Testing
Control Point Verification

...Or Suggest another Topic!

If you would be interested in such a technical presentation, or if you have
any other questions or comments, please contact AABC headquarters at
headquarters@aabc.com or 202-737-0202.

14

TAB Journal Spring 2018



Table of Contents for the Digital Edition of TAB Journal Spring 2018

TAB Journal Spring 2018 - Cover1
TAB Journal Spring 2018 - Cover2
TAB Journal Spring 2018 - 1
TAB Journal Spring 2018 - 2
TAB Journal Spring 2018 - 3
TAB Journal Spring 2018 - 4
TAB Journal Spring 2018 - 5
TAB Journal Spring 2018 - 6
TAB Journal Spring 2018 - 7
TAB Journal Spring 2018 - 8
TAB Journal Spring 2018 - 9
TAB Journal Spring 2018 - 10
TAB Journal Spring 2018 - 11
TAB Journal Spring 2018 - 12
TAB Journal Spring 2018 - 13
TAB Journal Spring 2018 - 14
TAB Journal Spring 2018 - 15
TAB Journal Spring 2018 - 16
TAB Journal Spring 2018 - 17
TAB Journal Spring 2018 - 18
TAB Journal Spring 2018 - 19
TAB Journal Spring 2018 - 20
TAB Journal Spring 2018 - Cover3
TAB Journal Spring 2018 - Cover4
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