Controllability of Systems - EQc6 Intent To provide a high level of system control by individual occupants or groups in multi-occupant spaces, located at the building perimeter and promote their productivity, comfort and well-being Requirements Perimeter - Provide a minimum of one operable window and one lighting control zone per 18.5 m2 (200 sq ft) for all regularly occupied areas within 4 m (15 ft) of the perimeter wall Non-Perimeter - Provide controls for each individual for airflow, temperature, and lighting for 50% of the non-perimeter, regularly occupied areas The intent and requirements described on this webpage are paraphrased from the copyrighted works of the USGBC "LEED 2009 for New Construction and Major Renovations Rating System November 2008", and, the CAGBC "LEED Rating System & Addendum for New Construction and Major Renovations LEED Canada-NC version 1.0 December 2004", and are presented here strictly for informational purposes and are not intended to supplant or be used in place of the original copyrighted works.