The Canada Green Building Council is adapting the USGBC LEED 2009 - Existing Buildings: Operations and Maintenance rating system for use in Canada.

The first rating system draft has been reviewed by the CaGBC Existing Buildings Adaptation Task Force and participants in the Green Building Performance System pilot projects. Input received during this review helped to identify outstanding questions directed to users of the system in Canada.

The CaGBC has received membership input on issues relating to water. Now, input is requested on three other aspects of the LEED Canada for Existing Buildings: Operations and Maintenance rating system:

• how best to ensure that specified green cleaning products are actually used by base building and leased space cleaners
• how best to use EAc1 points to signal environmental impacts associated with the energy use of buildings
• how best to define “regional/local” materials to address issues relating to transportation of intermediate materials or subassemblies

This online discussion is now closed. Your feedback will guide the adaptation of the finished rating system which the CaGBC aims to present for member ballot in late 2008. The new rating system will be launched in spring 2009. If you have any questions, please email .

Click here to view the responses for the online discussion for LEED Canada for Existing Buildings.