BS EN 74-3:2007 Couplers, spigot pins and baseplates for use in falsework and scaffolds. Plain base plates and spigot pins. Requirements and test procedures
EN 74-3 specifies for plain and profiled base plates and loose spigots to be used with 48,3 mm diameter tubes scaffolds and falsework:
Materials
Deign requirements
Test procedure
Assessment.
A base plate with a means of limited vertical adjustment, called a “base jack”, is dealt with in BS EN 12811-1.
In the text of this standard, the term “loose spigot” is used instead of the “spigot pin” in the title.
Contents of BS EN 74-3:
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Requirements for structural properties
6 Reference tube
7 General requirements
7.1 Materials
7.2 Design
7.3 Production
8 Test method and evaluation of results for a base plate
8.1 General
8.2 Purpose of test
8.3 Arrangement of test
8.4 Test method
8.5 Data to be recorded
8.6 Evaluation of test results
9 Designation
10 Marking
11 Test report and test certification
12 Product manual