Specification for steel and aluminium access cover systems with over 1 m clear opening Ingestion-build-67170 and stress relaxation applies only

and stress relaxation applies only when the material is participating in the sealing function or the long-term stability of the seal

containing alloying elements in amounts equal to or greater than the limiting values fixed by EN 10020

routine maintenance

Inclusion of the revised EN 14214 FAME specification

It provides the dimensions to which the values given in EN 547-3 are applicable

Specification for steel and aluminium access cover systems with over 1 m clear opening Ingestion-build-67170 and stress relaxation applies onlyWith the increasing number of underground work places, and several of these requiring access for persons and equipment, an opening of at least 1 metre, sometimes much larger is needed. With growing attention to safety at work (especially in the construction industry) it is important to have a rationalised approach to the design, testing and user safety of this type of product. These items are large versions of manhole covers, which are lifted by