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Are CO sensors needed for lodging units with no kitchen facilities

NC-v4 EQp1: Minimum indoor air quality performance
posted by Alokmay Behera on Apr 18, 2025, 8:10 am

There is a labor accomodation project with the no cooking facilities whatsoever. There will be centralised kitchen facility for the project. Do we still need to have CO sensors one per unit? If I...

Last reply: Andrey Kuznetsov, Apr 23, 2025, 10:03 am

Cool walls materials database

Pilot-Credits SSpc154: Heat Island Mitigation with Cool Walls
posted by Mariel Rivera on Jun 7, 2024, 12:41 pm

Hello LEEDusers!

Do you know if there is a database where I can find "cool walls" materials, which includes manufacterers and values needed?

Last reply: Mo Chesh, Apr 23, 2025, 9:41 am

Guidance on HVAC and Power Density Assumptions for Retail Tenant Spaces in Airports (LEED v4 – March 2024 Update)

NC-v4 EAp2: Minimum Energy Performance
posted by Anurag Ghosh on Apr 23, 2025, 7:08 am

Hello all,

We’re currently pursuing LEED v4 BD+C: New Construction certification for an airport project, and are seeking clarification on how to model...

Question about "required ventilation air" in G3.1.2.9.1 for laboratory spaces

NC-v4 EAp2: Minimum Energy Performance
posted by CT G on Apr 16, 2025, 8:37 am

We're seeking clarification on how other users interpret the term "required ventilation air" in the exception to Section G3.1.2.9.1 of Appendix G (ASHRAE 90.1-2010) for laboratory spaces.

...

Last reply: CT G, Apr 22, 2025, 3:24 pm

Concrete pavers on roof

NC-v4 SSc5: Heat Island Reduction
posted by Max Zayika on Oct 30, 2017, 10:13 am

Dear All,

I have a project that's located in Europe. The buiding will have an accessible roof terrace which will be paved with white concrete pavers. The manufacturer does not offer any...

Last reply: Philip Snow, Apr 22, 2025, 9:59 am

No New parking added at park shelter

NC-v4.1 LTc7: Reduced parking footprint
posted by akshaya bhaskar on Apr 21, 2025, 7:10 pm

Our project is a park shelter with 150 occupants at peak occupancy over the weekend. Local ordinances do not have a minimum parking requirement. We have not added any new parking as a part of the...

Building Envelope Commissioning

NC-v4 EAc1: Enhanced Commissioning
posted by Chris Bennett on Feb 16, 2018, 5:29 pm

Hello All, 

Has anyone gone through the process of building envelope...

Last reply: Joyce Kelly, Apr 21, 2025, 5:33 pm

Heat Island Mitigation with Cool Walls

CS-v4 INc1: Innovation
posted by Dulce Solis on Aug 29, 2024, 11:24 am

We are working on a LEED project in a warm climate where daily temperatures are high for most of the year. We want to ensure that the cool walls we implement are durable enough and maintain their...

Last reply: Laura Castanon, Apr 21, 2025, 3:48 pm

No-Cooling Tower for full credit? Option 2- Optimize Water Use for Cooling- 100% Reduction

CS-v4.1 WEc3: Optimize Process Water Use
posted by Grace Friedhoff on Feb 24, 2022, 3:08 pm

I am working on a C&S project that has a baseline system designated for the building using ASHRAE 90.1-2016 Appendix G Table G3.1.1 that includes a cooling tower (system 7) AND there is no...

Last reply: Dheeraj gupta koona, Apr 21, 2025, 8:16 am

porcelain tiles

NC-2009 IEQc4.3: Low-emitting materials - flooring systems
posted by Neetika Parmar on Jan 19, 2014, 7:58 am

Hi, our project is installing porcelain tiles which are certified by eco label, green building council italia and singaporian green building. Will this meet the requirement of IEQc4.3 as it...

Last reply: Michael Thomsan, Apr 18, 2025, 3:49 am