Having completed this exercise, including a calculation of additional cost of working, logistics etc., each business unit will be able to evaluate its total residual loss of net margin for the site. This is the amount that could not be recovered until 'business-as-usual' had been attained. Understanding the potential net site loss (including site insurance deductible £100,000) can be used to address recovery shortcomings where there is an identified high level of Perceived Continuity Risk