Table 1: List of selected factors affecting the sustainability performance during the construction stage in the building projects.

IDENTIFIED FACTORS FOR THIS RESEARCH	REFERENCE
ECONOMIC SUSTAINABILITY VARIABLES
Water cost	[15, 22, 23]
Energy cost	[10, 15]
Material costs	[15, 23, 25]
Land cost	[22, 23]
Labor cost (experienced in sustainable buildings)	[15, 23-25]
Professional fees such as engineers and consultants	[15, 23]
Cost of using existing equipment	[15]
Cost of purchase or renting new equipment	[15]
Cost of installation of equipment and tools	[15]
Right-sizing of construction equipment	[10]
Use of full equipment capacity	[10]
Inspection and maintenance of construction equipment	[10]
Cost of securing and protecting the site	[15]
Durability	[22, 25]
Cost of repairing errors and defects	[25, 26]
Lead-times for the required tasks and activities	[25, 26]
SOCIAL SUSTAINABILITY VARIABLES
Creating jobs due to the need of labors	[6, 25, 27]
Reliance on intensive labour rather than intensive equipment	[10]
Creating jobs for local employment directly	[10, 15, 28-31]
Creating jobs for local employment indirectly	[10, 15, 28-31]
Influence of the project on job market	[25]
Labor availability	[25]
Availability of knowledge and skills in the labour force	[32]
Promotion and development of capacity and skills for the labour force	[6, 10, 30, 33, 34]
Health and safety at work place	[6, 10, 15, 23, 29, 33, 35-37]
Working conditions	[38]
Physical space of the building	[25]
Aesthetic options of the building	[25, 39]
Participation of all parties in project monitoring and decision-making	[34]
Project control guidelines	[32]
Public awareness	[32]
Improvement of infrastructure to the society and environment	[15]
Increased burden on infrastructure as a result of the use and depletion of natural resources	[15]
ENVIRONMENTAL SUSTAINABILITY VARIABLES
Integrated environmental and economic program	[38, 40]
Communication of environmental management information	[15]
Environmental management technology	[15, 23]
Environmental regulations	[15, 23]
Inclusion of environmental aspects in decisions during construction (e.g. buying greener materials)	[6, 10, 23, 29]
Institutional interest to the environmental aspect	[15, 41]
Ecology preservation	[10, 15, 40]
Use of sustainable temporary facilities (such as desks and bathrooms) during the project	[10]
Use of sustainable material substitutions	[10]
Use of recyclable/renewable materials	[10, 25, 38]
Recycling of products	[6, 25, 29, 31, 34, 42, 43]
Reuse of products	[6, 10, 15, 25, 29, 31, 34, 43]
Management of surplus materials	[10]
Waste generation	[15, 25, 44]
Waste disposal	[25, 40]
Waste management	[10, 23, 45]
Depletion of dependency resources (water-energy-raw materials-land)	[6, 10, 15, 23, 25, 29, 43, 44, 46]
Site attributes	[38]
Pollution generation	[10, 15, 23, 25, 45]
Natural habitat destruction	[15, 22]
Changes in the environment lead to the discomfort of people and the biological system.	[15, 22]
Health and safety risks	[15, 22]