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Zone Secondary Recirculation Fraction

NC-v4 EQp1: Minimum indoor air quality performance
posted by Dave Hubka on Jun 19, 2023, 9:53 am

ASHRAE 62.1, Section A1.2.2 states:

Er is less than 1.0 for plenum return systems with secondary recirculation (e.g. fan-powered...

Creating Baseline ΗVΑC system selection based on ΑSHRAE 90.1-2010- Does Ground Floor count as….

NC-v4 EAc2: Optimize Energy Performance
posted by Konstantina Kalliakoudi on Jun 16, 2023, 4:38 am

Hello to all LEED Users,

Ιn our project the Building (nonresidential – 8.000 m2)  consists of following levels:

  • Ground Floor
  • 1st Floor
  • 2...

Last reply: Konstantina Kalliakoudi, Jun 16, 2023, 12:27 pm

Bioretention Area Calculation

NC-v4 SSc4: Rainwater management
posted by on Sep 6, 2016, 5:57 pm

will be that I went to school for a long time to learn how to do this, and it isn't something you're going to learn in a forum post. You can try to follow along with that Direct Determination Method,...

Last reply: Marc-André Cloutier, Jun 15, 2023, 6:42 pm

Baseline System for Data center

NC-v4 EAp2: Minimum Energy Performance
posted by Rajat Wadhwa on Jun 1, 2023, 7:07 pm

Hi All, I have read som many answers regarding  the baseline system for Data centers, Some are saying use system 8 some are saying use system 3 and 4, which one is the right system? I am working...

Last reply: Marcus Sheffer, Jun 15, 2023, 12:39 pm

Mobile Dumpster Compacting- Smash My Trash

NC-v4.1 MRp2: Construction and demolition waste management
posted by William Truszkowski on Jun 14, 2023, 12:44 pm

There are a number of mobile dumpster compacting companies such as Smash My Trash or Crushr that provide dumpster compacting to roll-off 20-40 yard dumpsters. I have seen studies that mobile...

If the site is walking distance from two separate stops but service the same routes can you count both

NC-v4 LTc5: Access to quality transit
posted by David O'Connell on Jun 14, 2023, 7:22 am

The site is close to two different stops alexion and BDC but the two stops are serviced by the same routes ? can you count both stops towards the total number of buses i.e. if the 236 goes...

LPD of Building Area Method

NC-2009 EAp2: Minimum Energy Performance
posted by Jatuwat Varodompun on Aug 18, 2016, 7:58 am

1. If we decides to use 'Building area method' for energy modeling. We have to building area type including office and parking garage. Office baseline model...

Last reply: Marcus Sheffer, Jun 15, 2023, 8:35 am

Roads with 40 Km / h without bicycle paths or trails are considered as bicycle network?

NC-v4.1 LTc6: Bicycle facilities
posted by Sara BENLOUBA on Feb 19, 2021, 8:15 am

We have a project located in an area where the...

Last reply: David O'Connell, Jun 15, 2023, 8:09 am

"No cooling tower" option removed

NC-v4.1 WEc3: Optimize Process Water Use
posted by Paula Melton on Dec 2, 2020, 9:39 am

It appears that Option 2, "No Cooling Tower," has been removed from this credit with addendum #10002465.

Last reply: Azra, Jun 14, 2023, 6:24 am

Standard EPD to use in LCA

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Jose MARTINEZ on Jun 13, 2023, 4:08 pm

Good afternoon colleagues, we have recently received comments (by LEED reviewers) about the EPDs we use for LCA in the baseline model that are not the standards to consider in the U.S. industry (...