HHSRS Simplified

In an effort to simplify the Government's new Health and Housing Safety Rating System, (HHSRS) new guidance has been published explaining the rating points system.

'Scale points are used in the HHSRS formula to denote the judgements made of the likelihood and spread of outcomes....  The likelihood scale is based on the logarithmic scale of 10 to root 4.  The standard ranges have been calculated by a logarithmic scale of 10 to root 8 (x 1.3335), the alternate rounded values of which give the 16 single Representative Scale Points used in the HHSRS calculation.'

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