Forum quick links
Floor slab on grade
NC-2009 EAp2:Minimum Energy Performanceposted by Vassil Vassilev on
Greetings, There is an issue on applying F factor about which I'd appreciate some assistance. The F factor in general refers to the floor slab edge insulation.
Envelope materials with no provided u-values
NC-2009 EAp2:Minimum Energy Performanceposted by John Covello on
Hello, On our project we are getting supplied from local contractors materials like sandstone, granite, reused teak wood, and limestone.
Double skin façade. Baseline-Proposed building modeling approach
NC-2009 EAp2:Minimum Energy Performanceposted by Alex Parella on
We are modeling a new building in a previously developed site, with some remains of the previous building. One of the project strategies is to step aside the building façade (2 m, approx) and maint
Mandatory for plug fans
NC-2009 EAp2:Minimum Energy Performanceposted by Francesco Passerini on
Is Table 10.8 mandatory for plug fans of new buildings? The fans are installed in Air Handling Units. If they are mandatory, are they mandatory both for supply fans and for return fans?
Signatory requirements ( Does engineer need to be PE ? )
NC-2009 EAp2:Minimum Energy Performanceposted by Matt Dem on
Shall the person who enters his/her initials under signatory section ( for example EAp2-1, 2-2, 2-3 ) be registered mechanical engineer (PE) ?
Table 1.4.7B Entering Outdoor Airflow in Baseline
NC-2009 EAp2:Minimum Energy Performanceposted by Vassil Vassilev on
Greetings, There is a clarification issue while entering these values in the Baseline about which I'd appreciate some advice. The OA flow should be identical in both models.
How to prove compliance with Mechanical Ventilation
NC-2009 EAp2:Minimum Energy Performanceposted by Praveenbabu Rajkumar on
The project is a medium sized workshop shed and will be mechanically ventilated with fans with a particular air change per hour as per the local standards.
Does energy model should include walls to be consistent w/ Plf2
NC-2009 EAp2:Minimum Energy Performanceposted by Matt Dem on
I am working on a project (2 story office building) as a LEED AP & architect and received Preliminary Design Package comments from GBCI.
New Construction vs Major Renovation
NC-2009 EAp2:Minimum Energy Performanceposted by Ritwik Kakati on
Our project consists of renovation of 140,000 SF of an existing building, as well as the addition of 30,000 SF of new space.
Process load significantly lower than 25%
NC-2009 EAp2:Minimum Energy Performanceposted by Panupant Phapant on
The overall process load of our project turns out to be in the vicinity of 15% only. We are aware that 15% is absurdly low and unusual for plants.