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Limits for VOC content outside US, additional questions

CS-2009 IEQc4.1: Low-emitting materials - adhesives and sealants
posted by Johannes Misensky on Apr 17, 2019, 12:14 pm

All the limits on...

Submitting a credit during the review process which was not submitted at first application

LEED Reviews: Appeals, Design/Construction Submittals, and more
posted by Johannes Misensky on Apr 17, 2019, 6:58 am

I have a general question regarding the review process:

Say, you have already submitted a certain amount of credits for review and received a preliminary review.

While some credits...

Last reply: Michael Smithing, Apr 17, 2019, 11:16 am

validity of LEED certificate (LEED-CS v2009); necessary period of USGBC membership

Performance Period
posted by Ernst Schriefl on Oct 1, 2018, 6:42 am

We are in the process of certifying several buildings under a campus approach (LEED Master Site D+C), where each building / project is certified unter the LEED-CS v2009 rating system.


Last reply: Trista Little, Apr 11, 2019, 9:16 pm

Bicycle racks distance

CS-v4 LTc6: Bicycle facilities
posted by Guillaume Rose on May 28, 2018, 5:41 am


In my Project, there are 2 bicycle areas : 

- 1 at the same level as the entrance but the distance is more than 30 meters

- 1 in the basement, but a lift dedicated to...

Last reply: Emily Purcell, Mar 27, 2019, 9:57 am

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

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: Marcus Sheffer, Mar 25, 2019, 3:12 pm

Are Parking areas for Buses and Taxis included in Option 2

NC-v4 SSc5: Heat Island Reduction
posted by Stephan Zweig on Feb 21, 2019, 5:46 am

Hello to all,

Do you  have any suggestion if I have to include for Option 2 of heat island  reduction credit the following:

1) Parking lots for Buses?

2) Taxis waiting areas...

Last reply: emily reese moody, Mar 12, 2019, 9:31 pm

Green roof- no irrigation system but manual watering during hot summer months- relevant?

NC-v4 WEp1: Outdoor water use reduction
posted by Benjamin Weise on Feb 27, 2019, 2:12 am


the project I'm working on is a zero lot project with green roofs. There will be no irrigation systems in place but during hot summer months, the green roofs will need to be watered...

Last reply: Benjamin Weise, Mar 6, 2019, 3:29 am

Permanently installed drip irrigation system

CS-2009 WEc1: Water Efficient Landscaping
posted by Andreas Hintz on Feb 22, 2019, 9:01 am

In accordance with the requirements of this credit, the project team has developed and will implement a water-efficient landscape stategy. The project is aiming for Option 2, No...

Last reply: Tristan Roberts, Feb 22, 2019, 10:03 am

Sewage treatment plant used as alternative water source

NC-v4 WEc2: Indoor water use reduction
posted by Stephan Zweig on Feb 13, 2019, 7:15 am

Hello to all,

My building uses water for the toilets and for the irrigation from a municipally sewage treatment plan with biological treatment.

Does this source count as...

Last reply: emily reese moody, Feb 18, 2019, 2:16 pm