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Certification " Der Blaue Engel"

NC-v4 MRc4: Building product disclosure and optimization - material ingredients
posted by Maria Gof on Oct 6, 2017, 7:24 am


I am working on my Master thesis and analyse the usability of LEEDv4 material credits in Germany. As far as i know, in previous version LEED2009 german certification " Der Blaue Engel...

Last reply: Lise Dannesboe, Sep 4, 2018, 6:45 am

Access to the refrigerant impact calculation

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Mark Kumar Bose on May 26, 2018, 5:51 pm


how can I get access to the refrigerant impact calculation (on Leedonline.com) before registering in order to advice the planners if their selected refrigerant complies?


Last reply: Trista Little, Jun 19, 2018, 3:56 pm

LEEDuser’s viewpoint is little confusing

NC-v4 WEc1: Outdoor water use reduction
posted by Mark Kumar Bose on May 26, 2018, 9:02 am


under "LEEDuser’s viewpoint" your only refer to Option 2:

"This credit is an extension of the outdoor water use...

Last reply: Trista Little, Jun 1, 2018, 2:24 pm

WaterSense labeled fixtures obligatory for Indoor water use reduction

NC-v4 WEc2: Indoor water use reduction
posted by Mark Kumar Bose on May 26, 2018, 11:00 am

In "WEc2: Indoor water use reduction" WaterSense labeled fixtures are obligatory:

"In addition to meeting the 20% performance threshold, teams must select WaterSense labeled...

Last reply: Stephen Seavey, Jun 1, 2018, 6:44 am

Rainwater Events Calculator v4

NC-v4 SSc4: Rainwater management
posted by Carmen Mielecke on Jan 11, 2017, 7:54 am

Dear all,

my 2 question refer to the rainfall events calculator.
1) the percentil is calculated on the historical data sheet. The amount is expressed in mm. On the next page "...

Last reply: Dominic Wade, May 18, 2018, 7:36 am

advanced metering versus meters

CS-v4 EAc3: Advanced Energy Metering
posted by Jens Apel on Jul 19, 2017, 2:57 am

I am somewhat confused comparing the requirements of C&S and New Construction. In C&S requirements there is no statement about 10% of energy end use; to me that means advanced meters only...

Last reply: Jens Apel, May 14, 2018, 2:12 am

preferred parking in non public parking areas

CS-v4 LTc7: Reduced parking footprint
posted by Jens Apel on Sep 6, 2017, 3:42 am

In this project there is only a very limited number of parking spaces (44 for >10.000m² office space). The parking spaces will not be publicly available but rented out to tenants and may used...

Last reply: Lawrence Lile, Jan 11, 2018, 1:51 pm

no general contractor

NC-2009 MRc2: Construction Waste Management
posted by Nicole Isk on Nov 27, 2017, 11:18 am


our project does not have a general contractor to manage the whole of the projects waste. Some tradesmen generating small amounts of waste will take their mixed waste back to their...

Last reply: Michelle Reott, Nov 28, 2017, 11:28 am

single occupant offices as designated smoking rooms?

CS-2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
posted by Christian Bösselmann on Sep 5, 2017, 3:32 pm

In a multi tenant CS office building smoking is prohibited in the entire building (Option 1). However the owner wishes to execute a few single person offices as designated smoking rooms. All...

Last reply: Trista Little, Oct 4, 2017, 8:07 pm

underground infiltration structure LID?

CS-v4 SSc4: Rainwater management
posted by Jens Apel on Sep 15, 2017, 5:20 am

I am not quite sure if the approach discussed in my project team is a viable way to achieve this credit and would like to check back with you. The project is in a dense city location and will be...

Last reply: Jens Apel, Sep 15, 2017, 6:50 am