clause-g13-2 clause-g13-2 下载 - 国外标准

clause-g13-2PDF 第 1 页 · 原页码 1

		Page
5.5	Placing and compacting	44
5.6	Proximity of trench to building	44
5.7	Access points	44
5.8	Additional requirements for drains installed under buildings	49
5.9	Access to drains under buildings	49
5.10	Disused drains	50
6.0	Watertightness	50
6.1	Testing	50
7.0	Further Acceptable Solutions	50
7.1	Modifications to AS/NZS 3500.2.2	50
Index		53

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Status of Compliance Documents

Compliance Documents are prepared by the Department of Building and Housing in accordance with section 22 of the Building Act 2004. A Compliance Document is for use in establishing compliance with the New Zealand Building Code.

A person who complies with a Compliance Document will be treated as having complied with the provisions of the Building Code to which the Compliance Document relates. However, a Compliance Document is only one method of complying with the Building Code. There may be alternative ways to comply.

Users should make themselves familiar with the preface to the New Zealand Building Code Handbook, which describes the status of Compliance Documents and explains alternative methods of achieving compliance.

Defined words (italicised in the text) and classified uses are explained in Clauses A1 of the Building Code and in the Definitions at the start of this Compliance Document.

G13: Document History
	Date	Alterations
First published	July 1992
Amendment 1	September 1993	pp. vii – viii, References p. xi, Definitions	p. 25, Figure 3 p. 31, Figure 7
Reprinted incorporating Amendment 1	October 1994
Amendment 2	1 December 1995	p. viii, References
Amendment 3	28 February 1998	p. ii, Document History p. viii, References	p. 1, 1.0.1 p. 21, 1.0.1
Second edition published 1 July 2001	Effective from 1 October 2001	Document revised – second edition issued
Note: Page numbers relate to the document at the time of Amendment and may not match page numbers in current document.

Document Status

The most recent version of this document, as detailed in the Document History, is approved by the Chief Executive of the Department of Building and Housing. It is effective from 1 October 2001 and supersedes all previous versions of this document.

People using this Compliance Document should check for amendments on a regular basis. The Department of Building and Housing may amend any part of any Compliance Document at any time. Up-to-date versions of Compliance Documents are available from www.dbh.govt.nz

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New Zealand Building Code Clause G13 Foul Water

The mandatory provisions for building work are contained in the New Zealand Building Code (NZBC), which comprises the First Schedule to the Building Regulations 1992. The relevant NZBC Clause for Foul Water is G13.

1992/150

Building Regulations 1992

75

FIRST SCHEDULE—continued

Clause G13—FOUL WATER

Provisions

OBJECTIVE

G13.1 The objective of this provision is to:

(a) Safeguard people from illness due to infection or contamination resulting from personal hygiene activities, and

(b) Safeguard people from loss of amenity due to the presence of unpleasant odours or the accumulation of offensive matter resulting from foul water disposal.

FUNCTIONAL REQUIREMENT

G13.2 Buildings, in which sanitary fixtures and sanitary appliances using water-borne waste disposal are installed, shall be provided with an adequate plumbing and drainage system to carry foul water to appropriate outfalls.

PERFORMANCE

G13.3.1 The plumbing system shall be constructed to:

(a) Convey foul water from buildings to a drainage system,

(b) Avoid the likelihood of blockage and leakage,

(c) Avoid the likelihood of foul air and gases entering buildings, and

(d) provide reasonable access for maintenance and clearing blockages.

G13.3.2 The drainage system shall:

(a) Convey foul water to an appropriate outfall,

(b) Be constructed to avoid the likelihood of blockage.

Limits on application

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FIRST SCHEDULE—continued

Provisions	Limits on application
(c) Be supported, jointed and protected in a way that will avoid the likelihood of penetration of roots or the entry of ground water,
(d) Be provided with reasonable access for maintenance and clearing blockages,
(e) Be ventilated to avoid the likelihood of foul air and gases accumulating in the drainage system and sewer, and
(f) Be constructed to avoid the likelihood of damage from superimposed loads or normal ground movement.
G13.3.3 Where a sewer connection is available, the drainage system shall be connected to the sewer, and the connection shall be made in a manner that avoids damage to the sewer and is to the approval of the network utility operator.
G13.3.4 Where no sewer is available, an adequate on-site disposal system shall be provided for foul water in the same manner as detailed in clause G14 "Industrial Liquid Waste".

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Page
References	7
Definitions	9
Verification Method G13/VM1 Sanitary Plumbing	11
1.0 Sanitary Plumbing	11
Acceptable Solution G13/AS1 Sanitary Plumbing	13
1.0 Scope	13
2.0 Materials	13
2.1 Pipes, traps and fittings	13
3.0 Water Traps	13
3.1 Water trap requirements	13
3.2 Water trap dimensions	14
3.3 Water trap location	14
3.4 Floor outlets	15
4.0 Discharge Pipes	18
4.1 Layout	18
4.2 Access for cleaning	18
4.3 Diameter	20
4.4 Gradient	20
4.5 Fixture discharge pipes serving waste water fixtures	20
4.6 Fixture discharge pipes serving soil fixtures	20
4.7 Discharge stacks	24
5.0 Venting	25
5.1 Venting required	25
5.2 Vent pipes	25
5.3 Diameter of vent pipes	25
5.4 Gradient of vent pipes	29
5.5 Connection of vents to fixture discharge pipes	29
5.6 Discharge stack and relief vents	31
5.7 Termination of open vent pipes	31
5.8 Air admittance valves	31

Page
6.0 Installation	32
6.1 Jointing methods	32
6.2 Pipe supports	33
6.3 Thermal movement	33
6.4 Fire separation	33
7.0 Watertightness	33
7.1 Test methods	33
8.0 Further Acceptable Solutions	33
8.1 Modifications to AS/NZS 3500.2.2	34
Verification Method G13/VM2 Drainage	35
1.0 Drainage	35
Acceptable Solution G13/AS2 Drainage	37
1.0 Scope	37
2.0 Materials	37
2.1 Fill materials	37
3.0 Design	37
3.1 Bends	37
3.2 Junctions	37
3.3 Gully traps	38
3.4 Grease traps	40
3.5 Gradient of drains	40
3.6 Diameter of drains	42
4.0 Drain Ventilation	42
4.1 Ventilation requirements	42
4.2 Diameter of drain vent pipe	42
5.0 Installation	42
5.1 Jointing	42
5.2 Construction	42
5.3 Construction methods	42
5.4 Trench width	44

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clause-g13-2PDF 第 6 页 · 原页码 6

		Page
5.5	Placing and compacting	44
5.6	Proximity of trench to building	44
5.7	Access points	44
5.8	Additional requirements for drains installed under buildings	49
5.9	Access to drains under buildings	49
5.10	Disused drains	50
6.0	Watertightness	50
6.1	Testing	50
7.0	Further Acceptable Solutions	50
7.1	Modifications to AS/NZS 3500.2.2	50
Index		53

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clause-g13-2

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Contents

Status of Compliance Documents

Document Status

New Zealand Building Code Clause G13 Foul Water

Clause G13—FOUL WATER

FIRST SCHEDULE—continued

Contents

Contents

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