Is there anyway to calculate for cost per pound for cement, fly ash, limestone and sand

Hello, 

My project is using a pre-fabicated panel (walls and ceilings) inclusive of doors, windows and ceiling grid lights. All of these components are part of the panel design.

Is it possible to meet the Prerequisite and Credit with onsite renewable energy under V4.1 ? 

 We would like to use a non default lavatory faucet duration of 15 seconds instead of the 30 seconds. 

Following design decisions, our team discovered the frit pattern chosen to deter bird collision ultimately interfered with obtaining Views credit.

Good afternoon all,

Is anyone able to locate if there is a revised threshold for exemplary performance under v4.1 of this credit? My particular project is a non zero lot line

Per page 194 of the v4 BD+C Reference Guide, the Exemplary Performance section indicates "Manage 100% of rainwater that falls within the project boundary".  This is a fairly vague stateme

Can the Danish tool, LCAbyg, for MR Credit: Building Life-Cycle Impact Reduction be used for a project in Denmark?