How to Meet the New California 2013 Title 24 Requirement for VAV Lab Exhaust Systems

Chris Weixelman, P2S Engineering

Title 24 BEES Code and Exceptions
-What facilities does this new code impact?
-What is the economic impact to the facility?
-How much is the added cost?
-What is the potential benefit?
-How easy is it to retrofit?
-Explanation of stack height
-Industry standard 3000 feet per minute velocity
-The need for wind study
-What is a safe lower limit for stack velocities?
-What is the impact of reducing the stack velocities?
-Fundamentals of VAV exhaust system design
-Multiple fans on a common plenum
-Types of VAV exhaust systems
-Need to determine the minimum static pressure needed to operate the system
-Need to determine the minimum airflow turndown for the system.
-Control sequence of operation
-Points list
-Typical control diagram
-Sequence of operation

Learning Objectives

  • Understanding what the 2013 California Title 24 says requires for Laboratory exhaust air systems.
  • Understanding the economic impact of laboratory VAV exhaust air systems.
  • Understanding VAV lab exhaust design fundamentals.
  • understanding stack height and how it effects energy consumption.

Biography:

Chris Weixelman is a senior mechanical engineer currently working at P2S Engineering. He has designed and commissioned laboratory airflow systems for more than 65 science and technology facilities in southern California over the past 23 years.

 

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