We have a project with 3 lobbies located in basement parking. The lobbies are not regularly occupied spaces, but are circulation spaces connecting to the main reception and lobby on the Ground...

The...

I came across a 2019 press release by Global GreenTag advising that the Global GreenTag PhD, Materials Transparency Certification Program is as of 2019 recognised by LEED and USGBC. Please can...

If someone could please confirm whether the following guidance from the LEED v4 Reference Guide is still applicable to LEED v4.1 projects: "Default...

Hi, I am quite confused as to how to calculate compliance for Option 2 Metered Water Use. We have the consumption data for 12 months for a building however the calculator is only for Option 1....

Our project is an office building undergoing major renovation. The building will remain operational while the renovation is ongoing. The building occupancy will be phased to move the employees...

The requirement states that “Any automatic control device required … shall either be manual on or shall be controlled to automatically turn the lighting on to not more than 50% power”

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As we are outside of the USA, ASHRAE 90.1:2010 is a new requirement that came with v4 and our designers have no experience in interpreting and applying the mandatory requirements.

Can you...

In response to the ASHRAE 90.1:2007 mandatory requirements for the efficiency of 60Hz motors, some had used the European IE2 standard for 50Hz motors and demonstrated equivalency. The ASHRAE 90....

One of our factory projects is planning on installing a...