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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.


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

Mid construction Review

NC-2009 EAc3: Enhanced Commissioning
posted by Omar ElRawy on Apr 14, 2018, 3:10 pm

I've received a reviewer's feedback stating that "the required back-check Design review occurred after the date for beginning of construction...Provide a narrative explaining the sequence and...

Last reply: Scott Bowman, Apr 23, 2018, 5:31 pm

Using the LEED for Schools Playing Fields Exception for LEED NC

NC-v4 LTc4: Surrounding density and diverse uses
posted by Sara Curlee on Apr 23, 2018, 5:24 pm

The reference guide says projects under the LEED Schools rating system are allowed to exclude playing fields and associated buildings used during sporting events only from their...

Watersense- Local Equivalents?

NC-v4 WEp2: Indoor water use reduction
posted by Leanne Conrad on Apr 13, 2018, 12:38 pm

Let's talk about watersense and local equivalents. 

What makes a local standard equivalent? If we can meet or beat the flow rates, is there another requirement or feature that we need to...

Last reply: Leanne Conrad, Apr 23, 2018, 4:19 pm

IEQc4.3 Listing Floor Tile in form on LEED Online

NC-2009 IEQc4.3: Low-Emitting Materials—Flooring Systems
posted by Melanie Blacklock on Apr 23, 2018, 12:50 pm

We have 17 different types of ceramic tile on a job I'm documenting in LEED Online.  Since ceramic tile qualifies for...

Last reply: Melanie Blacklock, Apr 23, 2018, 2:53 pm

Energy source- pallets

NC-2009 EAp2: Minimum Energy Performance
posted by Vassil Vassilev on Apr 20, 2018, 9:52 am


We have a project where the heating plant consists of boilers using wooden pallets as an energy source. They’ll serve Heating and...

Last reply: Marcus Sheffer, Apr 23, 2018, 12:34 pm

Plug Load Reduction Using ASHRAE- 2010

NC-2009 EAp2: Minimum Energy Performance
posted by Thomas Hellmann on Feb 15, 2012, 12:00 pm

Has anyone heard of using ASHRAE 90.1-2010 section 8.4.2 Automatic Receptacle Control within LEED version 3 to show load reductions for the plug loads. I am thinking of using the same plug load...

Last reply: Marcus Sheffer, Apr 23, 2018, 11:47 am

Timing outsourced solar plan on-site / the building

NC-2009 EAc2: On-Site Renewable Energy
posted by Janine van den Kerkhof on Apr 23, 2018, 9:39 am

Hi All,

I have a question regarding the development of a new building on a existing plant. Prior to the construction a solar plant will be installed on-site (not a building) and connected...

Last reply: Marcus Sheffer, Apr 23, 2018, 11:42 am

Lighting controls

NC-v4 EAp2: Minimum Energy Performance
posted by Isabel Santos on Apr 20, 2018, 1:59 pm

Hello everyone,

I have a proposed building in which there are no daylight control systems for lighting. I implemented lighting using occupancy controls (schedules) in both baseline and...

Last reply: Marcus Sheffer, Apr 23, 2018, 11:40 am

Pneumatic Controls- Monitoring Based Cx

CI-v4 EAc1: Enhanced Commissioning
posted by Christopher Lim on Apr 20, 2018, 3:40 pm

I am currently working on a TI project for two floors of a mid-rise building. The current building uses pneumatic controls for the entire building. The client has asked if it's possible to go...