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Floor area Ratio (FAR) calculation for Zero Lot Line Projects

NC-v4 SSc4: Rainwater management
posted by Andrea Costa on Apr 30, 2018, 6:04 am

Dear all,

Please, could someone explain me in further detail how to proceed with the...

Losses through tank in HW loop

NC-v4 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Apr 23, 2018, 10:04 am

ASHRAE 90.1 states:

G3.1.3.6 Piping Losses losses shall not be modeled in either the proposed or baseline
building designs for hot water, chilled water, or steam piping.

What...

Last reply: Jean Marais, Apr 24, 2018, 1:42 am

Harvesting storm water on a zero-lot-line project and discharging in a nearby canal

CS-v4 SSc4: Rainwater management
posted by Costanza Della Torre on Apr 12, 2018, 2:34 pm

Dear all,

I am not quite sure the approach we're using in a...

Last reply: Michael DeVuono, Apr 12, 2018, 4:13 pm

Selection of SHW system for baseline

NC-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Apr 12, 2018, 10:34 am

In the proposed system service hot water is heated in a water tank that is heated by a hot water loop that is connected with a gas boiler.

According to Table 7.8, which system shall be...

Last reply: Marcus Sheffer, Apr 12, 2018, 10:49 am

Requirements of section 5.4.3.4 of ASHRAE 90.1-2007

NC-2009 EAp2: Minimum Energy Performance
posted by Maurizio Sabatino Pirocchi on Apr 10, 2018, 4:55 am

Hi,

I have a question concerning  requirements of section 5.4.3.4 of ASHRAE 90.1-2007.

The project consists of a new building (exstension) called “boarding areas” that is linked...

Last reply: Marcus Sheffer, Apr 10, 2018, 11:33 am

U-values for mixed-use building

NC-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Apr 10, 2018, 9:57 am

For the baseline model relative to a building where a part is residential (4 floors) and another part nonresidential (ground floor), shall the envelope of the nonresidential part respect the U-...

Last reply: Marcus Sheffer, Apr 10, 2018, 11:26 am

Hz for mandatory provisions for fans

NC-v4 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Mar 21, 2018, 10:42 am

In order to verify whether a fan is compliant with the mandatory provisions we have to consider Table 10.8B, haven't we?

That table is relative to an electricity frequency equal to 60Hz....

Last reply: Francesco Passerini, Mar 22, 2018, 11:39 am

only automatic control in offices for lights

NC-v4 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Mar 21, 2018, 9:49 am

Can the lighting control in offices be automatic (daylighting + occupancy sensors) only? I mean, without manual control?

Best Regards

Last reply: Marcus Sheffer, Mar 22, 2018, 10:00 am

Water Coil Sizing, heating and cooling

NC-v4 EAp2: Minimum Energy Performance
posted by Giuseppina Amorusi on Mar 5, 2018, 4:53 am

Hi all! I have a problem with water coil sizing. I set the following parameters for cooling and heating

Coil:Cooling:Water,...

Last reply: Marcus Sheffer, Mar 8, 2018, 9:50 am

EN 13779–2007

NC-v4 EQp1: Minimum indoor air quality performance
posted by Francesco Passerini on Jul 18, 2017, 4:50 am

We are deciding between the use of EN 15251 and the use of ASHRAE 62.1. Do you have experience in applying EN 13779–2007? I've started to read that and I'm wondering whether there are aspects...

Last reply: Francesco Passerini, Mar 7, 2018, 12:51 pm