I have a project that, in addition to other upgrades, is replacing the roof. Do all of the roofing materials need to be included in calculations for MRc3?

For the LEED Online form, one of the last sections asks you to explain what alterations and additions were done to the building and give a value for the floor area under construction. I unders

Our project is pursuing this credit and intends to install hard surface flooring that is entirely comprised of solid wood and ceramic tile.

Do all the purchases of materials that will be needed for a construction project need to be made during the performance period?

Would silicone and epoxy be certified under the Bay Area Air Quality Management District (BAAQMD) regulation, or shall I consider them as paints under Green Seal?

Achieve sustainable purchases of 50% of total purchases (by cost) during the performance period.

In the reference guide there is a sample tracking table that has a column labeled "Percentage of Purchase Actual Value" with percentages filled in.

In LEED NC, when given a price from a subcontractor, we're able to use a 45% default for the actual material cost in order to exclude labor from that price.

We have a signed lease to proceed with a tenant imrovement in a multi-occupant EBOM Gold buidling.

Currently, we are working on a university extension project.