Intended to be used as a practical resource to supplement the Operations: GSAS Assessment v2.1 manual (updated), GORD founding chairman Dr. Yousef Alhorr introduces design and construction professionals with the descriptive information for consideration to help attain the specific credit for each criterion. These suggestions are in the form of recommended methods, strategies, and technologies. Operations: GSAS Guidelines v2.1 provides guidance and recommendations on how to approach the building operations issues within each criterion to meet the sustainable goals of the Operations: GSAS Assessment v2.1 manual. Operations: GSAS Guidelines v2.1 covers the building operations issues for each criterion in the following categories: - URBAN CONNECTIVITY - SITE - ENERGY - WATER - MATERIALS - INDOOR ENVIRONMENT - CULTURAL & ECONOMIC VALUES - MANAGEMENT & OPERATIONS