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Bench marking for Option 2.

EBOM-v4 WEp1: Indoor water use reduction
posted by Tiffany de Klerk on Apr 12, 2018, 2:53 am

Hi, I am quite confused as to how to calculate compliance for Option 2 Metered Water Use. We have the consumption data for 12 months for a building however the calculator is only for Option 1....

Last reply: Shakir Ismail, Jul 4, 2018, 3:18 pm

Warehouse project failed LEED BD+C certification wants to try again

LEED Rating System Selection
posted by Amine Zeidane on Jun 13, 2018, 8:18 am


A Warehouse project failed LEED BD + C certification in 2011 and wants to try again in 2018 with the same Building and for minimum cost.

What are options available ?


Last reply: Paula Melton, Jun 20, 2018, 11:33 am

Data Center Minimum Requirement of 2%

NC-v4 EAp2: Minimum Energy Performance
posted by Amine Zeidane on Jun 18, 2018, 8:40 am


I'm working on an office building with a DataCenter. The Energy Model shows an energy gain of 1,4 % for the Data Center which doesn't achieve the minimum requirement threshold of 2...

Last reply: Marcus Sheffer, Jun 18, 2018, 2:31 pm

Flush Out for "During Occupancy" Case of a Major Renovation proj

NC-v4 EQc4: Indoor air quality assessment
posted by Shabari Shaily Gerber on Sep 19, 2016, 9:15 am

Our project is an office building undergoing major renovation. The building will remain operational while the renovation is ongoing. The building occupancy will be phased to move the employees...

Last reply: Shabari Shaily Gerber, Apr 24, 2018, 5:14 am

Agricultural land as previously developed land.

ND-v4 SLLp1: Smart location
posted by Kaushaveer Ghoora on Dec 20, 2017, 4:19 am

Can we consider land under agricultural use (e.g. surgarcane cultivation) as previously developed land?

Last reply: Kaushaveer Ghoora, Jan 8, 2018, 5:55 am

A Contradicting Requirement

NC-v4 EQp2: Environmental tobacco smoke control
posted by Tee Howard on Nov 9, 2017, 8:26 am

We are currently working on an Airport Project and would like to pursue LEED certification. As a LEED AP, I understand that for the EQp2, there must be no smoking within the building under any...

Last reply: Trista Brown, Nov 16, 2017, 8:36 pm

ASTM E1903-97 Phase II Environmental Site Assessment- Local Equivalent documentation

NC-2009 SSc3: Brownfield Redevelopment
posted by Adrie Fourie on Sep 29, 2017, 6:53 am

We are involved with a project outside of the US that undertook a...

ASHRAE 90.1:2010- Manual or Partial Auto to 50%

NC-v4 EAp2: Minimum Energy Performance
posted by André Harms on Sep 11, 2017, 10:47 am

The requirement states that “Any automatic control device required … shall either be manual on or shall be controlled to automatically turn the lighting on to not more than 50% power”


Last reply: Marcus Sheffer, Sep 12, 2017, 11:53 am

Practical implementation of ASHRAE mandatory lighting controls

NC-v4 EAp2: Minimum Energy Performance
posted by André Harms on Aug 29, 2017, 11:22 am

As we are outside of the USA, ASHRAE 90.1:2010 is a new requirement that came with v4 and our designers have no experience in interpreting and applying the mandatory requirements.

Can you...

Climate Zone for Morocco

NC-v4 EAp2: Minimum Energy Performance
posted by Jean-Baptiste SARFATI on May 31, 2017, 4:05 am


I'm working on a pre-assessment for a project in Morocco and would like to see the minimum wall insulation.
I checked in ASHRAE 90.1-2010 but Morocco is not listed in Table B3...

Last reply: Jean-Baptiste SARFATI, May 31, 2017, 8:54 am