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Minimum planted area (that needs no irrigation)

CS-v4 WEc1: Outdoor water use reduction
posted by Maria Porter on Oct 30, 2017, 8:05 am


In v2009 there used to be a 5 % minimum for the area that needed to be planted in order for the project to be eligible for the credit. Is there such a threshold now? Or does basically...

Managing rainwater in clay soil with low permeability

CS-v4 SSc4: Rainwater management
posted by Maria Glädt on Aug 17, 2016, 9:26 am


Our project site is a landfill area which was used as a parking during the construction of a tunnel located nearby. The site consists on very low permeable soil (mainly clay). There is...

Last reply: Michael DeVuono, Oct 24, 2017, 10:12 am

Smoking on roof

CS-v4 EQp2: Environmental tobacco smoke control
posted by Tobias Berge on Oct 11, 2017, 4:31 am

Do we need to prohibit smoking on the roof of a multi tenant office, hotell and retail building. The architect have designed an outdoor environment on the roof including vegetations, pounds, open...

Use High Priority Site as Innovation

CS-v4 LTc3: High Priority Site and Equitable Development
posted by Sara Johansson on Sep 29, 2017, 8:01 am

Hello, I have a CS v.2009 project and wish to use the High Priority v.4 credit as an innovation credit. Do I have to approach this in any special way, register or apply for using it, such as when...

Pilot credit wakable site

CS-v4 INc1: Innovation
posted by Tobias Berge on Sep 7, 2017, 4:53 am

We chose to achieve a pilot credit called wakable sites. Unfortunately we discoverad that the credit is closed. We have register the project on LEED online but not registered this specific credit...

Last reply: Tristan Roberts, Sep 9, 2017, 3:04 am

Increased ventilation instead of alarms?

NC-2009 IEQc1: Outdoor Air Delivery Monitoring
posted by Maria Porter on Aug 23, 2017, 3:11 am

I understand that for densely occupied spaces an alarm (visible or audible) is required. If a sensor was installed in the room, but instead of beeping/flashing it would increase the ventilation...

Last reply: Andrew Mitchell, P.E., Aug 30, 2017, 8:54 pm

Renewable Energy

CI-v4 EAc4: Renewable energy production
posted by Maria Glädt on Dec 17, 2014, 2:05 pm

See quotation from LEED-CI. "Use tenant...

Last reply: Marcus Sheffer, Aug 28, 2017, 10:22 am

Renewable Energy in CS project

CI-v4 EAc4: Renewable energy production
posted by Sara Johansson on Mar 29, 2017, 9:36 am

Is the tenant obliged to install additional...

Last reply: Marcus Sheffer, Aug 28, 2017, 10:17 am

PPA as renewable energy production?

CS-v4 EAc5: Renewable energy production
posted by Lai-San wong on Jun 12, 2017, 9:38 am


In the requirement for EAc5 (BD+C) it is stated:
"The use of solar gardens or community...

Last reply: Marcus Sheffer, Aug 28, 2017, 9:41 am

Bicycle Storage for residential part in mixed used building

CS-v4 LTc6: Bicycle facilities
posted by Malti Gupta on Jul 26, 2017, 2:15 am

I'm working on mixed used LEED CS v4 project. we have Offices, retail & residential areas. To calculate bicycle storage & shower for offices & retails we considered the default...

Last reply: Tristan Roberts, Aug 26, 2017, 1:16 pm