I would like to ask for a maybe trivial clarification, 

What does "Seasonal sun angles (North, South, East, West)" stand for?  Does It mean altitude degrees? 
I do not understand the...

I am working on a data center and not sure about ASHRAE 62.1-2007 outside air requirement. Table 6.1 list 2 types: Computer lab at 10 CFM/ person and 0.12 CFM/Sqf and Computer no printing at 0.06...

Credit requirement "All glazed corners or fly-through conditions must have a Threat Factor less than or equal to 25." There is no guidance on how far to extend the pattern, horizontally, from the...

I have an O+M project considering Option 2. The reference guide states that Retail projects must meet Option 1 or 2 for all HVAC systems and stores with commercial refrigeration systems must...

I am not able to locate the registration page for this credit on USGBC.ORG. (Page not found)

We are working on design for a high school taking an all-gender approach to toileting. Each all-gender restroom has 10 private stalls with communal lavatories. The project is considering making...

Hello everyone, 

we are setting energy modeling strategy for a major industrial plant with an on-site...

For v4 Schools, the BD+C Reference guide gives the formula for Alternative Fuel Fueling Stations calculation at 2%. But the LTc8 Online form says Parking spaces for EVSE must be at least 3% of...

The credit language says, "Conduct a...

My project has 2 phases of development. Currently, we only apply LEED for phase 1. There is a big greenery area, reserved for future building in phase 2. Can we count this greenery area as a...