Global Sustainability Assessment System

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The Global Sustainability Assessment System (GSAS) [Originally QSAS[1]] is a green building certification system developed for Gulf Cooperation Council countries. This system was announced after QSAS [Qatar sustainability assessment system] got acceptance from many of the GCC countries. Hence, the local system of QSAS was expanded to a regional scale and renamed into GSAS.

GSAS was established in 2009 by the Gulf Organization for Research and Development (GORD) [a non-profit organization] with the collaboration of University of Pennsylvania. The system took into consideration well-known international green building codes, applied expert composition and modified them to suit Gulf Cooperation Council countries' climate and traditions. The system was recently adopted by State of Kuwait[2] and Saudi Green building Council [SGBC].[3]

Building Schemes[edit]

GSAS includes several building schemes as follows:[4]

-Classical Schemes

• Districts (NH)

• Commercial

• Residential

• Education

• Core & Shell

• Hospitality

• Healthcare

-Unique Schemes

• Sports Facilities

• Mosques

• Light Industries

• Parks

• Railways

• Infrastructure

• Workers Accommodation

-Construction Scheme (Construction Practices)



Ground-up Approach: Seamless integration between sustainability practices and regional requirements.

Best Mix: Combines the best features from the world’s most established sustainability rating systems.

Performance-based: A quantifiable and result-oriented rather than feature oriented approach.

Flexible: Individual components are adaptable to any project of any scale without compromising the system integrity.

Control: Affords complete control over the development, customization, deployment and future modifications or expansion of the rating system based on any set of specific requirements.

Categories and Weights[edit]

GSAS is divided into 8 sustainability fields - categories -. Those categories are weighted based on their impact toward sustainability.

-Energy (E) 24%

-Water (W) 16%

-Indoor Environment (IE) 16%

-Cultural & Economics (CE) 13%

-Site (S) 9%

-Urban Connectivity (UC) 8%

-Materials (M) 8%

-Management & Operations (MO) 6%


  1. ^ QSAS
  2. ^ "GORD Launches Global Sustainability Assessment System (GSAS) as New Benchmark for Sustainable Development". Reuters.
  3. ^ "The Big 5 Saudi 2015 - Saudi Green Building Council".
  4. ^