Sch 8 para 9
In exercising the power of entry mentioned in paragraph 8, an inspector may— (a) be accompanied— (i) by any person approved by the ONR for the purpose, and (ii) if the inspector has reasonable cause to expect any serious obstruction in the exercise of any of the inspector's powers, by a constable, and (b) take along any equipment and materials required for any purpose for which the inspector is exercising the power of entry.