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Documenting standard practice
This credit requires that HVAC designs meet the requirements of ASHRAE Standard 55-2004, which deals with thermal comfort of building occupants. Specifically, ASHRAE 55 requires project teams to address air temperature, radiant temperature, humidity, and air speed.
In most cases, designing a system that complies with ASHRAE-55 is standard practice and documentation is the only LEED-specific requirement for achieving the credit, so it should cost very little to earn.
Base building mechanical systems have to allow for the tenant fit-out to meet the requirements of ASHRAE-55. If all the mechanical systems are relegated to tenant fit-out, LEED-CS projects are not eligible. Consider this early in the planning phase of a core-and-shell project.
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3 Comments
My project is registered
My project is registered under LEED CS v2.0, so the requirements may be a little bit different than CS v.3, however I hope you can still be able to help me.
If I understand corectly, this credit requires showing the locations of heating and cooling equipmentThe equipment used for cooling room air in a building for human comfort. (in my case thermostats and cooling beams) on the floor plan. How should I do it, if I'm certifying only core and shell spaces and I have no idea how the future tenants would like to design their premises. Shall I submitt a sample fit-out?
Thanks!
Thermal Comfort - Air Veolocity
As this is a design credit, during the design phase, can the air velocities be estimated, or does this credit need to be completed after construction to measure the air velocity?
Sheldon, you are expected to use the designed air velocities to document this credit.
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