Post a question or comment
Credit Filters
Minimum Energy Performance
Filter by location
Forum
Topic
Replies
Recent

Floor slab on grade

NC-2009 EAp2:Minimum Energy Performance
posted 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.

3
Tue Jan 27, 2015, 8:22 am

Envelope materials with no provided u-values

NC-2009 EAp2:Minimum Energy Performance
posted by  John Covello  on 

Hello, On our project we are getting supplied from local contractors materials like sandstone, granite, reused teak wood, and limestone.

2
b.i.g. Bechtold DesignBuilder Expert
LEEDuser Basic Member
581 thumbs up
Thu Jan 22, 2015, 9:50 pm

Double skin façade. Baseline-Proposed building modeling approach

NC-2009 EAp2:Minimum Energy Performance
posted 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

2
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Fri Jan 9, 2015, 7:19 pm

Mandatory for plug fans

NC-2009 EAp2:Minimum Energy Performance
posted 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?

5
Fri Jan 9, 2015, 4:07 pm

Signatory requirements ( Does engineer need to be PE ? )

NC-2009 EAp2:Minimum Energy Performance
posted 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) ?

4
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Sat Dec 27, 2014, 6:20 pm

Table 1.4.7B Entering Outdoor Airflow in Baseline

NC-2009 EAp2:Minimum Energy Performance
posted 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.

5
Fri Dec 26, 2014, 8:15 pm

How to prove compliance with Mechanical Ventilation

NC-2009 EAp2:Minimum Energy Performance
posted 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.

8
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Tue Dec 23, 2014, 6:26 am

Does energy model should include walls to be consistent w/ Plf2

NC-2009 EAp2:Minimum Energy Performance
posted 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.

2
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Mon Dec 22, 2014, 11:32 pm

New Construction vs Major Renovation

NC-2009 EAp2:Minimum Energy Performance
posted 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.

2
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Fri Dec 19, 2014, 3:50 pm

Process load significantly lower than 25%

NC-2009 EAp2:Minimum Energy Performance
posted 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.

4
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Fri Dec 19, 2014, 1:43 pm