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Indoor Air Measurements: required measurement duration

EBOM-v4.1 EQc1: Indoor Environmental Quality Performance
posted by Roland Braun on Jun 26, 2020, 5:33 am

Hi to all:
We carry out indoor air measurements throughout Germany, including also for Leed certifications (so far Leed v3). Now I have a request for measurements according to Leed v4.1. A...

Last reply: Roland Braun, Jun 30, 2020, 2:19 pm

Option 2- Strategy F: work surfaces comply but no movable partitions in the project

NC-v4 EQc6: Interior lighting
posted by Benjamin Weise on Feb 19, 2020, 2:39 am

We are planning to comply with the strategies A, B, C and F. The strategies A, B and C should not pose a problem. However, I am not sure about strategy F:

Work surfaces will be grey-white...

Last reply: Kera Lagios, Jun 22, 2020, 9:32 pm

Is tehre a reference as to which costs are to be considered?

NC-v4.1 MRc3: Building product disclosure and optimization - sourcing of raw materials
posted by Benjamin Weise on Mar 23, 2020, 3:39 am

Hi,

this question is about a project in Germany, so cost estimates might work differently here. We are having difficulties retrieving the material costs from the subcontractors.

The...

Last reply: Shawn Keith, Jun 4, 2020, 3:27 pm

Number of Lux Measurements in a High Rise Office Tower

CS-v4 EQc4: Daylight
posted by Christine Recke on May 8, 2020, 8:16 am

In a Core and Shell project Office Tower that is over 50 stories, the rule is still measure all regularly occupied spaces in the building? That could mean over 50 floors of measurements?  Or is...

Last reply: Daniel Glaser, May 8, 2020, 12:09 pm

Entryway systems for delivery

NC-v4 EQc1: Enhanced indoor air quality strategies
posted by Christine Recke on Jun 24, 2019, 9:34 am

Hi everyone,

we have a project that includes a delivery entry, which is only used by the responsible service staff for the delivery operation. 

To our mind this delivery entrance is...

Last reply: Karen Joslin, May 5, 2020, 3:02 pm

Hybrid recooler

NC-v4 WEc3: Cooling tower water use
posted by Florian Schmidtchen on Aug 8, 2017, 6:05 am

Dear all,

Our MEP Engineer wants to implement a dual recooling system/the hybrid recooler of the series KAVH. For our building type and the location in Germany with strong temperature...

Last reply: Petra Holoubkova, Apr 28, 2020, 4:04 am

LEED v4.1 Renewable Energy- no contracts with a period longer than two years available

NC-v4.1 EAc5: Renewable energy
posted by J Schuetz on Apr 2, 2020, 10:30 am

Dear all,

Actually, German law prohibits electricity contracts with a fixed contract period longer than two years, there has to be the possibility to cancel the contract. Although, the...

Interior Paints and Coatings

NC-v4 EQc2: Low emitting materials
posted by Reinhard Oppl on Dec 16, 2015, 8:51 am

Who can help to clarify? I am in a discussion with consultants who state that for paints and coatings, wet-applied on-site on walls, floors and ceilings, the...

Last reply: Oliver Bate, Mar 30, 2020, 6:07 am

Automatic Receptacle Control

NC-v4 EAp2: Minimum Energy Performance
posted by Jan Hesse on Aug 7, 2015, 6:36 am

ASHRAE 90.1-2010 8.4.2 states, that 50% of all 125 volt 15- and 20-Ampere receptacle outlets in private offcies, open offices and computer classrooms shall be automatically switched off when the...

Last reply: Marcus Sheffer, Mar 25, 2020, 11:58 am

LEED online Substitution v4.1 for v4 MRC1: Submit 4 Points for Option 4 Path 4?

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by J Schuetz on Mar 20, 2020, 9:02 am

Dear all,

as our project meets the requirements of Path 4, we like to submit 4 Points in LEED online. For Option 4 under LEED v4 only 3 Points are available at the thresholds. Is it...

Last reply: J Schuetz, Mar 24, 2020, 5:45 am