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Abstract Building control authorities use producer statements throughout the building consent and certification process. When it comes to geotechnical matters, acceptance of a producer statement may not be a reliable indication that the works comply with the building code. There is often a lack of…

Abstract Soakage to ground is often used as a method of managing stormwater runoff generated by development. The New Zealand Building Code compliance document E1 is the only national guideline that provides methods for determining the soil soakage rate and the size of the related…