“…The agreement (known as the SSA) established a single pay and grading system for all employees within its scope and was designed to promote gender pay equality within local authorities (Bach et al, 2009). A growing body of literature has examined this context (Conley, 2013;Deakin et al, 2012;Rowbottom, 2007;Thornley, 2006;Wright, 2011). Prior to 1997, the pay and conditions of different groups of local authority workers (manual workers; administrative, professional, technical and clerical workers; and skilled craft workers) were determined by separate collective agreements known as the white book, the purple book and the red book.…”