Building Act 2004

A building licensee in charge of building work must keep records of—

any test borings, test loadings or other investigations made to work out the permissible loadings on piles used in the building work, pile-driving operations, calculations of allowable loadings and details of the location of the piles; and

any test loadings and excavations made to work out the bearing capacity of the foundation for the building or proposed building, or building as proposed to be altered; and

tests under section 44 (6).

A record under subsection (1)—

must be kept until a certificate of occupancy for the building work is issued; and

must be given to the certifier when the certificate of occupancy is issued.