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September 10, 2008
PES Program: Ductwork Leakage
Testing and Design
Controlling and determining HVAC air duct leakage requires knowledge of duct construction techniques and how they relate to setting air duct leakage limits that are attainable. The seminar will cover the practical relationship of air duct leakage to duct surface area using both the ASHRAE Fundamentals Handbook and SMACNA HVAC Air Duct Leakage Test Manual. The newly proposed ASHRAE Method of Test for Air Leakage in Equipment will also be introduced.
Duct design is an important aspect that affects air system performance;
it must take into account cost effectiveness, acoustics, duct construction,
and duct leakage. We will discuss duct design considerations and how to
enhance overall system/energy performance of air distribution systems.
Speakers:
Mark Terzigni
Project Manager Technical Resources
SMACNA
As a Project Manager, Mark Terzigni works with others in the Technical Resources Department to help develop and publish the technical manuals produced by SMACNA as well as providing interpretations to SMANCA standards through the Technical Inquiry process.
Industry Involvement:
- Member of ASHRAE, National Capitol Chapter
- ASHRAE Technical Committee 5.2 Duct Design
- ASHRAE Technical Committee 7.9 Commissioning
Prior to joining SMACNA, Mark was a Regional Engineer for McGill AirFlow LLC assisting the sales staff, customers, and design professionals with technical issues regarding duct construction, duct design, sound attenuation, and leak testing equipment. Prior to his role as a Regional Engineer Mark was a Sales Engineer for McGill, and his territories included parts of Michigan, Ohio, and West Virginia. He was involved in several overseas projects including the American Embassy in Germany and a production facility for IBM in Ireland.
Mr. Terzigni graduated from The Ohio State University with a Bachelors
of Science in Mechanical Engineering.
Eli P. Howard, III
Executive Director Technical Resources
SMACNA
As SMACNA's Executive Director Technical Resources, Eli Howard has the overall responsibilities of the more than 30 SMACNA Technical and ANSI Standards related to the HVAC and Sheet Metal Industry.
He is a member of the following ASHRAE Technical Committees:
- 7.7 Testing & Balancing
- 5.2 Duct Design
- SSPC 62.1 Ventilation for Acceptable IAQ - Educational Subcommittee Chair
- ASHRAE Standards Committee
In addition, he has responsibilities as SMACNA Liaison to
NFPA 90A, CSI, USGBC and the International Mechanical Plumbing Code Council
(IMPCC).
Prior to joining SMACNA he was Manager of Technical Program Development
for NEMI providing technical assistance to contractors in energy engineering
and IAQ technologies. His experience also includes work with Marriott
International as Mechanical Engineer for design/construction of hotels
in the United States, Hong Kong and Poland.
Mr. Howard holds a degree in Mechanical Engineering
from Allegheny College.