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Acceptable Solution E1/AS1: Surface Water

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Abbreviation
E1/AS1 (Amd 12)
Amendment
12
Version
First Edition, Amendment 12.
Valid from
2/11/2023
Information provider
Ministry of Business, Innovation and Employment,
Information type
Acceptable Solution,
Format
PDF,
Cites
This resource cites 27 documents (show Citations)
Description

Acceptable Solution E1/AS1 provides a means of compliance with Building Code Clause E1 Surface Water. Building Code Clause E1 ensures that the disposal of rainwater from external surfaces and confirmation surface water cannot enter the building.

It requires buildings and site work to be constructed to protect people and other property from the adverse effects of surface water. It sets out performance requirements to ensure drainage systems are in place for the disposal of surface water using gravity where possible, and to avoid blockages and leakage.

Scope

This Acceptable Solution is limited to buildings and sitework having a catchment area of no more than 0.25 hectares and which are:

  • a) Free from a history of flooding,
  • b) Not adjacent to a watercourse,
  • c) Not located in low lying area, and
  • d) Not located in a secondary flow path.
Previous versions:
E1/AS1 (Amd 11) (First Edition, Amendment 11.)
E1/AS1 (Amd 10) (First Edition, Amendment 10)
E1/AS1 (Amd 9) (First Edition, Amendment 9)
E1/AS1 (Amd 8) (First Edition, Amendment 8)
For assistance with locating previous versions, please contact the information provider.
Notes/comments

Amendment 12 of E1 includes Alterations on:

  • pp. 7-8a References
  • p. 12 E1/VM1 2.1.1
  • p. 15 E1/VM1 Figure 3
  • p. 37 E1/AS1 3.6.2
  • p. 39 E1/AS1 3.9.2
  • p. 42 E1/AS1 Table 4
  • p. 44 E1/AS1 Table 6
  • pp. 52-55 E1/AS2 1.0.4
View on Information Provider website Download this resource (PDF, 2.1MB)
For assistance with locating previous versions, please contact the information provider.

Amendment 12 of E1 includes Alterations on:

  • pp. 7-8a References
  • p. 12 E1/VM1 2.1.1
  • p. 15 E1/VM1 Figure 3
  • p. 37 E1/AS1 3.6.2
  • p. 39 E1/AS1 3.9.2
  • p. 42 E1/AS1 Table 4
  • p. 44 E1/AS1 Table 6
  • pp. 52-55 E1/AS2 1.0.4
This resource is not cited by any other resources.

Acceptable Solution E1/AS1: Surface Water

This document is not CITED BY any other resources:

Acceptable Solution E1/AS1: Surface Water

Description

Acceptable Solution E1/AS1 provides a means of compliance with Building Code Clause E1 Surface Water. Building Code Clause E1 ensures that the disposal of rainwater from external surfaces and confirmation surface water cannot enter the building.

It requires buildings and site work to be constructed to protect people and other property from the adverse effects of surface water. It sets out performance requirements to ensure drainage systems are in place for the disposal of surface water using gravity where possible, and to avoid blockages and leakage.

View on Information Provider website Download this resource (PDF, 2.1MB)
Acceptable Solution E1/AS1: Surface Water
Description

Acceptable Solution E1/AS1 provides a means of compliance with Building Code Clause E1 Surface Water. Building Code Clause E1 ensures that the disposal of rainwater from external surfaces and confirmation surface water cannot enter the building.

It requires buildings and site work to be constructed to protect people and other property from the adverse effects of surface water. It sets out performance requirements to ensure drainage systems are in place for the disposal of surface water using gravity where possible, and to avoid blockages and leakage.

View on Information Provider website Download this resource (PDF, 2.1MB)
This resource cites:

Acceptable Solution E1/AS1: Surface Water

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