Prequalification systems are a huge bug bear . There needs to be one system which can be adapted to suit contractors, consultancies et al. The amount of time and the expense involved is prohibitive and as mentioned previously all they do is show a company has systems and processes they don't show how these are actually being put into practice

I have a document Guidelines for the Provision of Facilities and General Safety and Health in Commercial and Industrial Premises. It is dated October 1995 so may be out of date. It is a Department of Labour publication