Dear Sir:- what is a minimum daylight requirement for LEED CI 1.270 Lux (25 FC) 2.110 Lux (10 FC) in LEED CI reference guide it is 25 FC so please clarify is there any addenda

Is there a bank of "USGBC Approved Programs" we can consult while working through product submittals for the BPDO credits?

We have a LEED-CS v2009 project in the heart of downtown LA: 2 blocks from a major Metro train hub, 4 blocks from one complete street with protected bike lanes and 3 blocks from another.

Has the credit criteria for Base Build M&V been removed from V4 Core & Shell or has it been built into another credit ?

As the reference guide says that every 200 sf respite area needs to provide 1 wheel chair seat,but the respite areas for staffs and patients+visitors should be separated.

According to the requirement : "Open to fresh air, the sky and the natural elements, including seasonal weather ", does the outdoor terrace/roof without any greenery space but open to sky also coun

Is there a formula for calculating the Boiler Thermal Efficiency using HHV. Should the modeled boiler efficiency be seasonal taking into account part load conditions.

A new, LEED warehouse addition is planned for an existing bldg.

Before the excel spreadsheet introduction naturally ventilated spaces were referenced in the IEQp1 form. Where can those spaces be referenced in the spreadsheet? Thank you!

Are clay roof tiles (made in US) acceptable under MRc6? What about lime based plaster (made in US)? Thanks!