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Ventilation of parking garages

CS-v4 EAp2: Minimum Energy Performance
posted by Sarah Leenknegt on Mar 11, 2019, 7:51 am


We are modelling an office building in Switzerland with LEED v4 Core and Shell and have a question regarding the required ventilation rate for parking garages. According to ASHRAE 62.1...

Last reply: Tyler Thumma, Aug 21, 2020, 11:38 am

Tolerance within the achievement of criterias due to different affectations

NC-v4 MPR2: Must use reasonable LEED boundaries
posted by Audrey LEDESERT on Jun 18, 2020, 4:37 am

Tristan Roberts Technical Director The Laurentia Project, HPDC LEEDuser Expert 11432 thumbs up July 21, 2020- 9:14 pm Audrey, this will be determined for each individual credit. I would suggest reviewing the credit language for the specific questions you have, and posting your questions to the specific LEEDuser forum for that credit. Log in or register to post comments ...

Last reply: Tristan Roberts, Jul 21, 2020, 9:14 pm

CxA: independance of the design team

NC-v4 EAc1: Enhanced Commissioning
posted by Audrey LEDESERT on Jun 25, 2020, 5:08 am

In our office, we have 2 separate departments : one that works in building technicals (HVAC/San) and the 2nd that make consulting.

The consulting department is in charge of LEED...

Last reply: Marcus Sheffer, Jun 25, 2020, 9:06 am

Outdoor ventilation rates in baseline and proposed

CS-v4 EAp2: Minimum Energy Performance
posted by Sarah Leenknegt on Apr 7, 2020, 5:45 am


Our situation is the following: the outdoor ventilation rates in the proposed building are higher than required by ASHRAE 62.1. Therefore, the baseline model will have lower outdoor...

Last reply: Tyler Thumma, Apr 15, 2020, 1:13 pm

Renewables outside LPB & owned by Project- Campus or no Campus?

NC-v4 EAc5: Renewable energy production
posted by Anne Caminade on Dec 8, 2016, 6:50 am

Hi, We have a new small building on a large industrial site in Switzerland (same owner for the entire site) that we want to certify with LEED Gold (only the new small building) and we have no...

Last reply: Marcus Sheffer, Dec 22, 2019, 4:51 pm

Double skin facade

NC-v4 EAp2: Minimum Energy Performance
posted by Sarah Leenknegt on Mar 12, 2019, 3:48 am


How do I model a naturally ventilated double skin facade in proposed and baseline building?

- proposed building: as designed, with a thermal zone for the intermediate area. The...

Last reply: Sarah Leenknegt, Mar 26, 2019, 3:21 am

Additional requirements- Guarantees of Origin (GOs)

NC-2009 EAc6: Green Power
posted by Jens Apel on Oct 6, 2016, 5:34 am

The European ACP for EAc6 states:
"Guarantees of Origin (GOs) are an acceptable equivalent to the...

Last reply: FABIO VIERO, Feb 19, 2018, 5:29 am

EB O+M recertification after renovation

LEED Rating System Selection
posted by Michael Grafschmidt on Jan 17, 2018, 9:47 am

An existing office building, LEED...

Last reply: Paula Melton, Jan 18, 2018, 11:03 am

Swiss Reference standard for Primary Energy and GHG

Pilot-Credits EApc95: Alternative Energy Performance Metric
posted by Susann Geithner on Dec 20, 2017, 1:59 pm

Anyone working on a Swiss project I recommend using SIA380, which list the applicable...

German AgBB in LEED version 3 and 4

NC-2009 IEQc4.3: Low-emitting materials - flooring systems
posted by Jens Apel on Dec 12, 2017, 7:36 am

In a LEED v3 project a manufacturer is supplying information that his carpet is complying with AgBB 2015. For LEED v4 this would be sufficient (as far as I know newer standards are accepted). If...