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BS EN 74-2:2008

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Couplers, spigot pins and baseplates for use in falsework and scaffolds Special couplers. Requirements and test procedures
Available format(s)

Hardcopy , PDF

Superseded date

05-06-2022

Language(s)

English

Published date

06-30-2010

EN 74 2 specifies: - materials; - design requirements; - specified values for resistances and stiffnesses which a coupler has to achieve under test; - test procedures and assessment; for the following special couplers: - screw or wedge half couplers, sleeve couplers with shear studs, right angle reduction couplers and swivel reduction couplers. It gives recommendations for on going production control. These couplers are for use principally in temporary works. Each coupler is able to be fixed to at least one side to one 48,3 mm diameter steel or aluminium tube. For the other side of reduction couplers, this standard defines requirements for the diameter and wall thickness of tubes. For testing, screw couplers are tightened with a torque of 50 Nm and wedge couplers are tightened with a 500 g hammer until the jarring blow. Other special half couplers such as half couplers attached by riveting, used mainly for members of prefabricated scaffolds, are outside the scope of this European Standard. NOTE Some information on design using special couplers is given in Annex B.

Committee
B/514
DevelopmentNote
Supersedes 07/19978687 DC. (06/2010) Supersedes BS 1139-2.1(1991). (07/2010)
DocumentType
Standard
Pages
44
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
EN 74-2:2008 Identical

17/30349707 DC : DRAFT AUG 2017 BS 5975:2018 - CODE OF PRACTICE FOR TEMPORARY WORKS PROCEDURES AND THE PERMISSIBLE STRESS DESIGN OF FALSEWORK
BS 5975(2008) : 2008 CODE OF PRACTICE FOR TEMPORARY WORKS PROCEDURES AND THE PERMISSIBLE STRESS DESIGN OF FALSEWORK
07/30150912 DC : 0 BS 5975 - CODE OF PRACTICE FOR THE PROCEDURAL CONTROL OF TEMPORARY WORKS AND THE PERMISSIBLE STRESS DESIGN OF FALSEWORK

EN 12811-1:2003 Temporary works equipment - Part 1: Scaffolds - Performance requirements and general design
EN 12811-2:2004 Temporary works equipment - Part 2: Information on materials
EN 12812:2008 Falsework - Performance requirements and general design
EN 12811-3:2002 Temporary works equipment - Part 3: Load testing
EN ISO 9002:1994/AC:1997 QUALITY SYSTEMS - SPECIFICATION FOR PRODUCTION AND INSTALLATION
ISO 9002:1994 Quality systems — Model for quality assurance in production, installation and servicing
EN ISO 9001:2015 Quality management systems - Requirements (ISO 9001:2015)
EN 10204:2004 Metallic products - Types of inspection documents
ISO 9001:2015 Quality management systems — Requirements
EN ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread (ISO 898-1:2013)
EN 1090-2:2008+A1:2011 EXECUTION OF STEEL STRUCTURES AND ALUMINIUM STRUCTURES - PART 2: TECHNICAL REQUIREMENTS FOR STEEL STRUCTURES
EN 74-1:2005 Couplers, spigot pins and baseplates for use in falsework and scaffolds - Part 1: Couplers for tubes - Requirements and test procedures
ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel — Part 1: Bolts, screws and studs with specified property classes — Coarse thread and fine pitch thread

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