BS EN 1804-1:2001+A1:2010 Machines for underground mines. Safety requirements for hydraulic powered roof supports. Support units and general requirements
BS EN 1804-1specifies the safety requirements for support units when used as specified by the manufacturer or his authorised representative. Examples of support units are frame supports, chock supports, shield supports, paired frames and push-pull support systems including the components of advancing and anchoring devices which provide support functions. This part of the standard excludes fixing elements on the conveyor, coal-winning equipment, power set legs and rams, valves, hydraulic and electro-hydraulic control units, lighting and signalling facilities and other ancillary equipment.
BS EN 1804-1 applies to support units used at temperatures from -10° C to 60° C.
BS EN 1804-1 also applies to support components and support accessories which are provided if the support unit is fitted with stowing equipment. BS EN 1804-1 identifies and takes account of:
BS EN 1804-1 does not establish the additional requirements for:
BS EN 1804-1 applies to all support units placed on the market for the first time, which are manufactured after the date on which this standard was published.
Contents of BS EN 1804-1:
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 List of hazards
5 Safety requirements
6 Verification of the safety requirements
7 User information
Annex A (normative) Tests for verification of the safety requirements and calculation
Annex ZA (informative) !Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC"
Bibliography
EN 1804-1:2001+A1:2010