Regulation 78

take, so far as is reasonably practicable, such measures as are necessary to ensure that his design can be executed safely by any person constructing the underpinning, sheet piling, bracing or other means of shoring according to his design;

provide to any person who is constructing or who is to construct the underpinning, sheet piling, bracing or other means of shoring all design documentation (including all relevant calculations, drawings and construction procedures) as is necessary to ensure that the underpinning, sheet piling, bracing or other means of shoring is constructed according to his design; and

ensure that the structures adjoining or over areas to be excavated are safe to any person working on or near the structure by reason of such underpinning, sheet piling, bracing or other means of shoring.

the professional engineer who designs the underpinning, sheet piling, bracing or other means of shoring for an excavation; or

any other professional engineer who is appointed by the occupier of a worksite to oversee the construction of the underpinning, sheet piling, bracing or other means of shoring in the worksite,to take, so far as is reasonably practicable, such measures as are necessary to ensure that the underpinning, sheet piling, bracing or other means of shoring —

is constructed in accordance with the design of the professional engineer who designed it; and

is safe for its intended use when completely constructed and if so, issue a certificate stating that the underpinning, sheet piling, bracing or other means of shoring is safe for its intended use.