Group Participants	Number	Criteria
Contractors (D1K1; A1B1)	7	The professionals working with the D1K1 (General Building and Civil Engineering category in Financial Class 1) or A1B1 (Road and Concrete Structures Construction category in Financial Class 1) class of contractors in Ghana. The interviewees belong to the professional bodies and construction associations of their status. They have experience between 12 and 22 years in the construction industry. The contractor must have a well-established health and safety management system where there are good accidents and hazards records procedures, safety kits, health and safety policy and plan for projects. The contractor must have engaged in construction projects in two or more regions in Ghana.
Consultants	7	The consultants must have had adequate knowledge and been trained in the area of health and safety management. The Consultants belong to the various professional bodies which are well recognized in the GCI. The interviewees were personnel of senior level and authority in their various Consulting firms. The interviewees have at least 5 years experience in their various field of expertise.
Suppliers/Manufacturers	7	The supplier/manufacturer must be a dealer of the major construction materials such as cement, reinforcement rods, roofing sheet and tiles. All the supplier/manufacturer interviewees must have at least two depots across the country and have been in business for at least 5 years. This indicates that the respondents have enough experience in the manufacturing and supply of construction materials in Ghana.
Construction Workers	7	The worker must have worked with a D1K1 or A1B1 classes of contractors in Ghana for a minimum of 5 years. The selected construction workers must representatives of the most active trades within the GCI.
Traditional Authorities	7	The traditional leader/authority must be in a community with ongoing construction project.
Local Government Officers	7	Local Government officers must also be in a community with ongoing large-scale construction project. The officers must be in the management class such as Chief Executive, Coordinating Director, Planning Officer, Budget Analyst, Engineer etc.
Staff of Other Regulatory Bodies	7	Staff of Factories Inspectorate Department, Labour Department, Environmental Protection Agency (EPA), Police Service, Ghana National Fire Service, and Officials of Public Procurement Authority (PPA), identified to be senior management staff in the organization.
Total	49