Strata reinforcement support system components used in coal mines - Specification for rockbolting Ingestion-build-264231 Drains and sewers below buildings

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

tolerances on dimensions and form

alarm and storage containers of fire extinguishing systems filled with non-liquefied inert gases or pressurized halocarbon gases

within an organization

Strata reinforcement support system components used in coal mines - Specification for rockbolting Ingestion-build-264231 Drains and sewers below buildingsBS 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.