18  Risk Assessments

18.1  The Service Provider shall carry out risk assessments on each Structure, Bridge and Tunnel (or group of similar Structures or Bridges) in order to assess:

(a)  the likelihood of rapid deterioration or other incidents; and

(b)  the consequence of unchecked deterioration or other incidents.

18.2  The Service Provider shall ensure that the assessment of the likelihood of rapid deterioration to all Structures, Bridges and Tunnels shall include the criteria set out in section 6.4.31 of the Highways Structures Code as that provision is amended or replaced from time to time.

18.3  The Service Provider shall ensure that the assessment of unchecked deterioration and other incidents shall include the criteria set out in section 6.4.32 of the Highways Structures Code (as amended or replaced from time to time).

18.4  The Service Provider shall ensure that details of each risk assessment are recorded in the Structure File.

18.5  The Service Provider shall ensure that the validity of each Structure, Bridge or Tunnel's risk assessment shall be re-confirmed and recorded in the Structure File after each Principal Inspection or when any other significant change in the Structure, Bridge or Tunnel becomes apparent.