B1 Use
Effects of installed products in use (i.e. offgassing)
B2 Maintenance
Maintaining and cleaning the building, including impacts of products used
B3 Repair
Repairing broken components, including impacts of materials and energy used
B4 Refurbishment
Refurbishing the building, including impacts of materials and energy used
B5 Replacement
Replacing building components if their lifespans are less than the building's service life
B6 Operational Energy Use
Using energy during normal operation of the building (e.g. elevators, appliances, plug loads, lighting, heating, cooling)
(Typically Excluded) B7 Operational Water Use
Supplying and treating water for normal operation of the building