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ASHRAE 90.1-2010 Mandatory Provision

NC-v4 EAp2: Minimum Energy Performance
posted by Przemysław Rejczak on Mar 15, 2019, 9:44 am

Dear Everyone,

I am writting to enquire about ASHRAE 90.1-2010 Mandatory Provision which regards to Optimum Start Controls. It states that heating&cooling air distribution...

Last reply: Przemysław Rejczak, Mar 21, 2019, 4:47 am

New Filters Before Occupancy

NC-2009 IEQc3.2: Construction IAQ management plan - before occupancy
posted by Jalal Avades on Jun 10, 2014, 9:50 pm

Susan Walter HDR LEEDuser Expert 1299 thumbs up June 11, 2014- 8:36 am The MERV rating for IEQc3.1 (which I'm assuming your project is also earning) and this credit is 8. The minimum MERV rating for IEQc5 is 13. Because they aren't the same, they get changed before occupancy. This credit does require a change in filtration media before a flush and I believe most teams use MERV 8 filters. You could do more if you wanted. Log in or register to post comments Summer LEEDuser Basic Member March 21, 2019- 2:12 am Hello, I will not post another same question on the forum that's why...

Last reply: Summer, Mar 21, 2019, 2:12 am

Experience achieving this credit, EApc95?

Pilot-Credits EApc95: Alternative Energy Performance Metric
posted by Chris Yates on Oct 15, 2018, 5:16 pm

Hello all,

This pilot credit can significantly benefit projects located in a "clean energy" grid, particularly with the cost difference between electricity ($$$) and natural gas ($) and...

Last reply: Megan Leslie, Mar 20, 2019, 8:23 pm

How many SF and which area of the building needs Bird Collision Threat.

Pilot-Credits SSpc55: Bird collision deterrence
posted by Miguel Rivera on Mar 18, 2019, 5:49 pm

Hi, I'm a little confused.

After made all the calculations for a project of 6 stories with three different types of materials in the facades, I don't understand which and how many...

Last reply: Stefan Knust, Mar 20, 2019, 4:49 pm

U.S. EPA TSCA Title VI ULEF Products

NC-v4 EQc2: Low emitting materials
posted by Marcia Weekes on Mar 12, 2019, 4:33 pm

Our project is working with a...

Last reply: debra lombard, Mar 20, 2019, 9:56 am

"Impossible" to achieve option 2

NC-v4 EQc7: Daylight
posted by Sarah Leenknegt on Aug 16, 2018, 5:49 am


We have made several daylight simulations with option 2 for different projects. So far, it seems nearly impossible to achieve even 1 point for this credit, mainly due to the 3000 lux...

Last reply: Francesco Passerini, Mar 20, 2019, 5:09 am

ADC Column in CDWM Calculator

CI-v4 MRc6: Construction and demolition waste management
posted by Emily English on Mar 7, 2019, 3:16 pm

My question is about the column in the calculator that asks for 

"Commingled Waste: Average Percentage of...

Last reply: Tiffany Beffel, Mar 20, 2019, 1:22 am

Renewable energy certificate

NC-v4 EAc7: Green power and carbon offsets
posted by CT G on Apr 17, 2018, 6:38 pm

I'm working on a project located in Brazil.

The client already buys energy from a company with Renawable energy certification, which is appliable for this credit according to LEED ACP for...

Last reply: CBRE Sustainable Building Advisory, Mar 19, 2019, 6:06 pm

SSc2 Soil testing for existing soils only?

NC-v4 SSc2: Site development - protect or restore habitat
posted by Sue Bryant on Dec 20, 2017, 2:30 pm

Samples to be tested must be taken from soils that are disturbed and will be revegetated. Restored soil must meet existing soil attributes. Documentation for this credit according to the...

Last reply: Allison Smith, Mar 19, 2019, 4:59 pm

LT Prerequisite: Transportation performance

LEED v4.1 for Building Operations and Maintenance
posted by Gaston Michaud on Jan 31, 2019, 4:32 pm

Hello everyone!

If you are familiar with the calculations of this prerequisite, you'll notice that you basically calculate the average...

Last reply: Gaston Michaud, Mar 19, 2019, 4:07 pm