Strata reinforcement support system components used in coal mines - Specification for rockbolting Ingestion-build-264231 Bursting discs/bursting disc assemblies

Bursting discs/bursting disc assemblies

Square bars

BS ISO 17090-2:2008 Health informatics

FM sound radio: Additional performance requirements

Drains and sewers below buildings are included provided that they do not form part of the drainage system of the building

Strata reinforcement support system components used in coal mines - Specification for rockbolting Ingestion-build-264231 Bursting discs/bursting disc assembliesBS 7861 1: 2007 specifies dimensional, material and performance requirements for rockbolting support system components used in coal mines. Components included are steel rockbolts, glass reinforced plastics (GRP) rockbolts, resins, nuts, conical seats and domed washer plates. BS 7861 1: 2007 does not cover the assembly or installation of these components to form a rockbolting support system on site.