Wastewater transmission standards

About these standards

The wastewater transmission system covers the bulk conveyance of wastewater to the treatment plant. The peak dry weather flow is generally greater than 78 litres per second.

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Design

Drawings

Construction

Templates

These are the current standards. If you require a previous standard, please contact us.

Email: standards@water.co.nz
Phone: (09) 442 2222, press 4

Doc no.	Name	Revision no.	Revision date	Description
DP-02	Guidelines on dams and water-retaining embankments	1	1/10/2014	Classification criteria of structure to assist in design approach.
DP-01	Seismic design of equipment, equipment support and tanks (303	1	1/10/2014	Requirements for seismic resistance of tanks, equipment and equipment supports. Purpose: to amplify the requirements of applicable standards and give extra information to assist designers.
DP-03	Wastewater reticulation design guidelines	1	1/10/2014	Design considerations and guidelines on wastewater transmission planning, pipeline design and wastewater pumping stations.
DP-10	Safety in design guide	1	1/03/2017	Design safety and risk management across the life cycle of an asset.

Doc no.	Name	Revision no.	Revision date	Description
DW05	Access structure drawings for wastewater infrastructure	1	10/08/2016	Access structures used in wastewater transmission areas. Drawing set includes access doors, standard manhole lids, pipe bridge safety barriers, hatches and platforms in manholes.
DW07	Access structure general drawings for public and non-public areas	1	19/08/2016	Handrail details for public and non-public access areas.
DW23	Cathodic protection mechanical and civil detail drawings	1	6/09/2016	Details electrical connection points on flanges, bonding across meters and other equipment, test stations etc. Typical use on steel pipelines in the transmission systems.
DW08	Pipelines for wastewater greater than 300mm diameter	1	6/09/2016	Specific pipe laying requirements for transmission wastewater pipelines. Typically 375mm diameter and larger Refer to separate sets for manholes and pumping stations.
DW09	Wastewater manhole drawing set for pipelines 375mm and greater	1	6/09/2016	Manhole detail for wastewater transmission. Includes drawings for droppers, chamber riser details, base geometry and specific requirements for PE pipelines.

Doc no.	Name	Revision no.	Revision date	Description
BD-05	Acoustic louvres (363)	1	1/10/2014	Requirements for providing and installing acoustic louvres to reduce noise in buildings and structures used by Watercare.
CG	General civil construction standard	1	14/10/2016	General civil activities such as earthworks, pipe material construction requirements and other building activities.
ME	General mechanical construction standard	1	14/10/2016	General requirements for construction of steelwork (general and structural), welding, flanges and bolting, and the mechanical installation of equipment, specifically magnetic flow meters, actuators, pumps and motors.
WW-08	Odour control biofilter	1	1/10/2014	Construction of a biofilter to deodorise foul air extracted from a wastewater facility. Does not include supply of the air-handling fan or sump pump, or the electrical works associated with the fan, pump or any other controls.
COP-03	Code of Practice for Commissioning	1	20/12/2016	Guideline to complete commissioning works of infrastructure including mechanical, process, instrumentations and electrical works.

Doc no.	Name	Revision no.	Revision date	Description
TMPL-08	QA templates for general civil construction standard	1	14/10/2016	QA/QC templates for the general civil construction standard.
TMPL-09	QA templates for general mechanical construction standard	1	14/10/2016	QA/QC templates for the general mechanical construction standard.
TMPL-16	Form templates for Code of Practice for Commissioning	1	20/12/2016	Templates for COP-03. For a Word version of this document please contact standards@water.co.nz.

Wastewater transmission standards

About these standards

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