WebCode clause E1/AS1 Surface Water. Calculate the modified catchment area for each of the factory, the office and the carpark. Formula: Modified catchment area = 0.01 × area x Rainfall intensity Office: Factory: Carpark: (3 marks) (b) Using the graph on the page opposite, determine the minimum size of the branch drain 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 ...
Acceptable Solution E1/AS1: Surface Water Building …
WebSection E1 of the New Zealand Building Code (NZBC) deals with surface water and its disposal so not to enter buildings. As noted on the Ministry of Business, Innovation … 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. greear\u0027s used auto parts
COP v3.0:roof-drainage; NZ Metal Roofing Manufacturers
WebSURFACE WATER DEPARTMENT OF BUILDING AND HOUSING 1 December 2000 Contents E1/VM1 & AS1 5 Page References 7 Definitions 9 Verification Method E1/VM1 11 1.0 Scope 11 2.0 Estimation of Surface Water Run-off 11 2.1 Run-off coefficient 12 2.2 Rainfall intensity 12 2.3 Time of concentration 13 3.0 Sizing of Surface Water System 16 … 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. WebJun 1, 2009 · 3° fall recommended. A key factor in deck design is having sufficient fall across the deck’s waterproof surface for surface water to be quickly removed (see Figure 1). E2/AS1 requires a minimum fall of 1:60 (1°) across the waterproof surface. However, building to achieve a 1° fall is difficult, so BRANZ recommends a minimum fall of 3°. florists in byker newcastle upon tyne