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Working Group 3 Summer Meeting – CASE Measures & Impact to BEM

August 29, 2023 @ 11:00 am - 12:00 pm PDT

Join the CalBEM Working Group 3 (Enhance BEM Capabilities and Metrics) Summer Meeting on August 29th.

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Meeting invitations were sent on 7/20/23. If you have already signed up to receive Working Group 3 updates, you received an invitation to the event. If you are not already signed up to receive Working Group 3 notifications, you can sign up here.

Please reach out to us at info@calbem.org if you have any questions or concerns, if you need the invitation forwarded to you, or if you would like to join this meeting without signing up for the Working Group.

Meeting Description: 

Join the Working Group 3 Co-Chairs to review and discuss a few CASE measures and their impact on modeling usability, rulesets, and the ACM. The Co-Chairs plan to discuss the following measures and more, time permitting.

  1. NR HVAC Space Heating:
    • Measure 1 would result in a mandatory HWST limit of 130°F, which is below the current ACM Reference Manual setpoint of 160°F.
    • Add a section describing 4-pipe dedicated heat recovery chiller and water-to-water heat pump objects to the ACM reference manual.
    • Enhance the thermal energy storage object and ensure it can be configured to provide space heating, and also reflect different efficiency performance depending on if the TES tank uses ice, condenser water, or hot water.
  2. MF Domestic Hot Water:
    • California Plumbing Code (CPC) Appendix M Pipe Sizing
    • Pipe Insulation Enhancement
    • Require Balancing Valves
    • Master Mixing Valves
  3. MF Restructuring: Envelope, HVAC, Other
    • Slab Perimeter Insulation
    • Visible Transmittance
    • Skylight Properties (Additions and Alterations)
    • Central Ventilation Shaft Sealing
    • Additions and Alterations Clean-Up
    • Snapshot Quality Insulation Installation (QII)
    • Verification (HERS/ATT) Clean-Up


August 29, 2023
11:00 am - 12:00 pm PDT


Teams Meeting


CalBEM Working Group 3