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AS/NZS 4798(INT):2005

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Polyethylene maintenance shafts
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Withdrawn date

06-12-2018

Language(s)

English

Published date

05-25-2005

Preview

Specifies requirements for the design and manufacture of non-person man entry polyethylene maintenance shafts intended for buried sewerage systems at depths up to 6 m and diameters up to DN 300 comprising a moulded chamber and riser in one-piece seamless construction or a moulded base jointed to an extruded pipe shaft manufactured from a compatible material.

This Interim Standard specifies design and manufacture requirements for a polyethylene maintenance shaft (MS) comprising a moulded chamber and riser in one-piece seamless construction, or a moulded chamber jointed to a riser (normally a pipe) manufactured from a compatible material. MSs are intended for installation in sewerage systems (up to DN300) for transportation of sewage at atmospheric pressure and average service temperatures up to 25°C. They are intended for buried vertical installation at depths up to 6m, without buckling collapse and without exceeding long-term diametral distortion and stress limits as specified. Long-term design criteria limits are 50 year extrapolated or predicted values. Provided installation and operating conditions conform to the guidelines in this Standard, life expectancy may exceed 50years.The test requirements specified in this Standard may be achieved by alternative test methods if such methods can be shown to provide equal or greater accuracy than those specified herein. In all cases of dispute, the methods specified in this Standard shall be considered the reference test methods.Methods for demonstrating compliance with this Interim Standard are given in AppendixA.

CommentClosesDate
05-25-2007
Committee
PL-006
DocumentType
Standard
ISBN
0 7337 4510 5
Pages
28
ProductNote
Withdrawn 12 June 2018Expiry Date 25 May 2007
PublisherName
Standards Australia
Status
Withdrawn
Supersedes

First published as AS/NZS 4798(Int):2005.

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