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Manual for On-site Wastewater Systems Design and Management

Published by Horizons. Widely regarded as good practice. Comprehensively covers the following: Site Assessment MethodologyWastewater ProductionWastewater TreatmentDosing and Distribution Methods and DevicesLand Application MethodsMaintenance and ManagementAssessment...

Christchurch Infrastructure Design Standards (IDS)

Created by Christchurch City Council. It could be considered national best practice in subdivision infrastructure design. The standards include information about the following: Quality AssuranceConstruction environmental managementConstruction Standard Specifications...