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Standard EPD to use in LCA

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Jose MARTINEZ on Jun 13, 2023, 4:08 pm

Good afternoon colleagues, we have recently received comments (by LEED reviewers) about the EPDs we use for LCA in the baseline model that are not the standards to consider in the U.S. industry (...

Measurement regard outside air measurement

EBOM-v4.1 EQp1: Minimum Indoor Air Quality
posted by Michael Ling on Jun 14, 2023, 5:11 am

Hello LEEDusers, I have a project which consist a typical office building in Hong Kong, each floor contain 2 PAU which contain 200L/s flow rate, the building is not very large each floor consist...

If the site is walking distance from two separate stops but service the same routes can you count both

NC-v4 LTc5: Access to quality transit
posted by David O'Connell on Jun 14, 2023, 7:22 am

The site is close to two different stops alexion and BDC but the two stops are serviced by the same routes ? can you count both stops towards the total number of buses i.e. if the 236 goes...

Mobile Dumpster Compacting- Smash My Trash

NC-v4.1 MRp2: Construction and demolition waste management
posted by William Truszkowski on Jun 14, 2023, 12:44 pm

There are a number of mobile dumpster compacting companies such as Smash My Trash or Crushr that provide dumpster compacting to roll-off 20-40 yard dumpsters. I have seen studies that mobile...

Zone Secondary Recirculation Fraction

NC-v4 EQp1: Minimum indoor air quality performance
posted by Dave Hubka on Jun 19, 2023, 9:53 am

ASHRAE 62.1, Section A1.2.2 states:

Er is less than 1.0 for plenum return systems with secondary recirculation (e.g. fan-powered...

Minimum Outside air in DCV systems

NC-v4.1 EQp1: Minimum indoor air quality performance
posted by Marc Maso on Jun 22, 2023, 9:16 am

Dear Srs, we are using the DCV strategy in one building. The doubt are when we need to ventilated or not...

A room have a schedule of 8am to 18:00

  • Beetween this hours the room...

Renewable energy

EBOM-v4.1 EAp3: Energy Performance
posted by SAMY Chamy on Jun 23, 2023, 9:16 am

Hi Team,

We have received an inquiry from a large corporation with more than 20 buildings on the same campus that has 2.5 MW of solar on its roof and operates with net metering (...

shower quantity discrepancy for large-occupancy projects

NC-v4.1 LTc6: Bicycle facilities
posted by Megan Bodin on Jul 6, 2023, 8:46 pm

There is a discrepancy between the requirements for shower quantities for large-occupancy projects.

  • The draft reference guide states “one additional shower for every 750 regular...

Carbon offset Canada

NC-v4 EAc7: Green power and carbon offsets
posted by Julie Hardy on Jul 11, 2023, 2:39 pm

Hello,

I am looking to get carbon offsets for a projet in Quebec. Do you know any good Canadian carbon offsets company that is affordable and meets the requirements? 

On green-e...

Daylighting for Light Industrial

CS-v4 EQc4: Daylight
posted by Troy Glasner on Jul 11, 2023, 5:33 pm

Hi, I am helping a client, they have a light industrial project that has a workshop in the back area and an office mezzanine. The workshop has a double height area with a skylight and an overhead...