3 This report is based on the following data collection methods:
i seven case studies of Local Authorities that are undertaking BSF projects, using in-depth semi- structured interviews with Council members and staff and the contractors, review of documentation held by PfS, and a focus group for each case study of school leaders, staff and pupils;
ii a census of all Local Authorities and private companies involved in BSF;
iii interviews with staff at the Department, PfS and other national bodies;
iv a file review of documentation held by the Department and PfS; and
v use of existing evidence.