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Core Performance Guide
NC-2009 EAp2:Minimum Energy Performanceposted by Tricia Loe on
I have a project that is considering using the Core Performance Guide option for compliance with this credit.
Plant Design for Proposed bldg
NC-2009 EAp2:Minimum Energy Performanceposted by Julian Park on
If a new building will be served by an existing chiller plant that already serves an existing building, does the Plant design for the Proposed Alternative need to model the full chiller size, even
ASHRAE 90.1 vs T-24 in california
NC-2009 EAp2:Minimum Energy Performanceposted by Lance Collins on
Question: I am working on a new LEED-NC project in california that is using a modular/prefab construction type with mechanical systems that do not require permits via the T-24 code.
Chilled Water Pumps, Primary/Secondary
NC-2009 EAp2:Minimum Energy Performanceposted by Aaron Dahlstrom on
ASHRAE 90.1-2007 Sec G3.1.3.10 requests that users specify pump power of 22 W/gpm, with a primary / secondary pumping system and variable flow on the secondary side.
Conditioned Space
NC-2009 EAp2:Minimum Energy Performanceposted by Jean Marais on
Consider a space, storage, with no heating, modelled with heating setpoint -50 degC, receives air from a central air handling unit VAV system, where the delivered air is pre-conditioned from Outdoo
Parallel PIU fan energy
NC-2009 EAp2:Minimum Energy Performanceposted by Magda Aghababyan on
My baseline is under system 6 in which the parallel PIU fans has to be introduced for each zones.
Separated Baselines for Residential and Non-residential Portions
NC-2009 EAp2:Minimum Energy Performanceposted by Wenguang Wang on
We have a hotel development project in China seeking for the LEED-NC v2009 certification. We are now facing a problem of setting the baseline case for the energy model.
ASHRAE 90.1 - Section 8 Voltage Drop
NC-2009 EAp2:Minimum Energy Performanceposted by Carolina Vergnano on
In the section 8.4 Feeder conductors shall be sized for a maximum voltage drop of 2% at design loadand branch circuit condutors shall be sized for a maximum voltage drop of 3% at design load. I'm
Base case and proposed case modeling
NC-2009 EAp2:Minimum Energy Performanceposted by CONSTANZA CATTAN on
At he moment, we are modeling a buried building with a green roof (as part of the energy efficiency strategy) according to the appendix G of the ASHRAE standard 90.1 (2007) The question regards the
Vestibules
NC-2009 EAp2:Minimum Energy Performanceposted by Viktor Reutherborg on
I'm working on a big building, mostly office but not exclusively, in Stockholm, Sweden. I'm currently working on a restaurant on the ground floor with an entrance from outside.