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I.S. 420:2004

Superseded

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PRE-CAST CONCRETE MANHOLES

Available format(s)

Hardcopy , PDF

Superseded date

02-24-2024

Language(s)

English

Published date

01-01-2004

Publisher

National Standards Authority of Ireland

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Foreword
Declaration
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 General requirements
6 Special requirements
7 Conformity evaluation
8 Marking
Annexes
A (informative) Information to be supplied in an
enquiry or order
B (normative) Standards relevant to I.S. EN 1917:2004
C (normative) Surface void tests
D (normative) Dimensional tests
Figures
Tables

Gives requirements for pre-cast cylindrical units for use in manhole chambers together with base units, with flexible joints and covers slabs.

DocumentType	Standard
Pages	35
PublisherName	National Standards Authority of Ireland
Status	Superseded
SupersededBy	I.S. 420:2023 I.S. 420:2004(R2023)
Supersedes	I.S. 420:1989

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