New Zealand Building Code E1 — Surface Water (Acceptable Solution & Verification Method)

New Zealand Building Code E1 — Surface Water (Acceptable Solution & Verification Method) — New Zealand Building Code compliance document covering Plumbing & Sanitation acceptable-solution, 1st edition, amendment 12 edition, published by Ministry of Business, Innovation and Employment (New Zealand). Crown copyright material published by MBIE (building.govt.nz), licensed for reuse under CC BY 4.0 (NZGOAL). Crown copyright material sourced from the New Zealand Ministry of Business, Innovation and Employment (building.govt.nz), licensed for reuse under a Creative Commons Attribution 4.0 International Licence.