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Floor slab on grade

NC-2009 EAp2: Minimum Energy Performance
posted by Vassil Vassilev on Jan 26, 2015, 9:10 am

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. Its value depends also...

Last reply: Jean Marais, Jan 27, 2015, 3:22 am

Envelope materials with no provided u-values

NC-2009 EAp2: Minimum Energy Performance
posted by John Covello on Jan 22, 2015, 5:08 am

Hello,

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

Last reply: Marcus Sheffer, Jan 22, 2015, 4:50 pm

No longer required to complete Design prereqs before review?

NC-2009 EAp2: Minimum Energy Performance
posted by Susan Di Giulio on Jan 14, 2015, 10:32 pm

From what I have read about the new website, it is no longer required to complete all design prerequisites before submitting for Design Review (split review assumed).

We have been hung...

Last reply: Marcus Sheffer, Jan 14, 2015, 10:44 pm

EAp2 Domestic Hot Water Pump sizing

NC-2009 EAp2: Minimum Energy Performance
posted by MKK LEED on Jan 12, 2015, 7:57 pm

Hello,
Appendix G Table G.3.1 - Service Hot water systems states "The service hot-water system in the baseline building design shall use the same energy source as the corresponding...

Last reply: Marcus Sheffer, Jan 13, 2015, 10:24 am

Double skin façade. Baseline-Proposed building modeling approach

NC-2009 EAp2: Minimum Energy Performance
posted by Alex Parella on Jan 9, 2015, 3:47 am

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)...

Last reply: Alex Parella, Jan 9, 2015, 2:19 pm

Mandatory for plug fans

NC-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Dec 23, 2014, 4:23 am

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?

Last reply: Marcus Sheffer, Jan 9, 2015, 11:07 am

MODEL PROTOCOL

NC-2009 EAp2: Minimum Energy Performance
posted by RICARDO GUEMEZ on Jan 7, 2015, 7:34 pm

Hello, My name is Ricardo from Mexico City. We have a Project that include Hotel, Residential Building and Retail.

On the case of Residential Building in Mexico City we dont install HVAC...

Last reply: Marcus Sheffer, Jan 8, 2015, 9:02 am

Signatory requirements (Does engineer need to be PE?)

NC-2009 EAp2: Minimum Energy Performance
posted by Matt Dem on Dec 24, 2014, 1:17 pm

Shall the person who enters his/her initials under signatory section ( for example EAp2-1, 2-2, 2-3 ) be registered mechanical engineer (PE) ? If so, can you please let me know where this...

Last reply: Jon Clifford, Dec 27, 2014, 1:20 pm

Table 1.4.7B Entering Outdoor Airflow in Baseline

NC-2009 EAp2: Minimum Energy Performance
posted by Vassil Vassilev on Dec 9, 2014, 9:47 am

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. When...

Last reply: Marcus Sheffer, Dec 26, 2014, 3:15 pm

How to prove compliance with Mechanical Ventilation

NC-2009 EAp2: Minimum Energy Performance
posted by Praveenbabu Rajkumar on Dec 17, 2014, 4:53 am

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. The client wants this to be LEED...

Last reply: Praveenbabu Rajkumar, Dec 23, 2014, 1:26 am