Web¬ used in conjunction with stormwater drainage systems designed to collect surface water in accordance with E1/AS1 and discharging to a gravity outfall or to a non-potable water supply system. Building Regulations New Zealand Building Code (NZBC) 3.1 In the opinion of BRANZ, The Aquacomb Water Solution System, if designed, used, installed and WebNZBC Acceptable Solution E1/AS1 ‘Surface Water’. Foundation design must comply with the requirements of NZS 3604 ‘Timber-framed Buildings’ or be as per specific engineering design. The grade of adjacent finished ground must slope away from the building to avoid any possibility of water accumulation in accordance with the NZBC requirements.
Designing Residential External Surface Drainage Systems in
WebMar 21, 2024 · The Acceptable Solution E1/AS2 for stormwater was introduced in November 2024. It references AS/NZS 3500.3:2024 Plumbing and drainage Part 3: Stormwater drainage (with modifications) as an … WebFeb 22, 2024 · E1/AS1 states in clause 3.6.1 that “all surface water, except that collected directly from a roof, shall enter the drain via a sump which has: A) A grating, hinged or removable for maintenance access. The grating shall comprise at least 35% openings. The smaller dimension of any individual opening shall not exceed 35mm. flamingo bird migration
E1 Surface water Building Performance
WebNov 5, 2024 · The approach provides a method for verifying that a proposed building will meet the requirements of NZBC E1.1,1 and E1.1.2 in the following circumstances: a) The catchment area does not exceed 100 ha (but see Paragraph 1.0.6 for soak pits), and. b) The surface water results only from rainfall on the catchment and does not include water frm ... WebVerification Method for Clause E1 Surface Water of the New Zealand Building Code. The previous amendment to E1 (Amendment 9) was in February 2014. ... 2010 PVC pipes and fittings for stormwater and surface AS1 Table 1, water applications Table 3 Amend: 1, 2 AS/NZS 1260: 2009 PVC-U Pipes and fittings for drain, waste and AS1 Table 4 WebThis section is based on design to NZBC E1/AS1 which is limited to a catchment area of 2,500m² maximum. Up to 100ha NZBC E1/VM1 can be used. Specific design (Alternative Solution), is ... NZBC E1/AS1 Surface water NZS 3104 Specification for concrete production AS/NZS 3500.3 Plumbing and drainage - Stormwater drainage can pregnant women use bug spray