CEN/TC 196 - Machines for undergroung mines - Safety

This document specifies performance and design requirements for air quality control systems for operator enclosures and their monitoring devices. The design specifications are universal in their application and do not contemplate specific mining environments. They are intended to meet identified parameters of both pressurization and respirable particulate and carbon dioxide concentrations. This document also specifies test methods to assess such parameters and provides operational and maintenance instructions. Recommendations are made for operational integration of the air quality control system.
Gases and vapours that can be a hazard in the work environment outside of the operator enclosure are excluded from this document.

This document stipulates the safety requirements for use of legs and rams as intended by the manufacturer. These include legs, support rams and rams, including the mechanical extensions, the inner valves and safety devices, seals, the hydraulic connections (up to the 1st hose line or to the valve of design B, see EN 1804-3:2020) and their lifting points, but excluding protective pipes and gaiters, external valves and hydraulic and electrohydraulic control systems.
NOTE   Some components are discussed in other parts of this standard series.
This document applies for legs, support rams, and cylinders that are used at ambient temperatures between -10 °C and 60 °C.
This document identifies and takes account of:
-   possible hazards which may be caused by the operation of legs, support rams and rams;
-   the hazardous areas and the operating conditions that can cause any type of hazard;
-   the situations that can result in hazards that cause an injury or impair health;
-   dangers that can be caused through mine gas and/or flammable dusts.
This document describes methods for reducing these hazards.
Clause 4 contains a list of the hazards discussed.
This document does not specify any additional requirements for:
-   specially corrosive environments;
-   risks associated with manufacturing and decommissioning;
-   earthquake.
A complete hydraulic powered roof support consists of the support units (EN 1804-1:2020), legs and support rams (EN 1804-2:2020) and the hydraulic and electro hydraulic controls (EN 1804-3:2020). Each part of this multipart document addresses the safety requirements of the components mentioned in the scopes of the respective parts of this multipart series.
This document is not applicable to legs and rams manufactured before the date of its publication.

This document specifies the safety requirements for hydraulic and electro hydraulic control devices, including hydraulic valves and their control elements, valve combinations, control systems, pipes and hose assemblies, measuring devices, built-in pressure limiting and check valves in legs and rams and, as well emergency stop, start warning, blocking- and control unit when used as specified by the manufacturer or his authorized representative. Excluded are pressure generators, and internal valves of legs and rams (e.g. leg bottom valves, see EN 1804-2:2020).
NOTE   Some components are dealt with in other parts of this standard.
This document applies to hydraulic and electro hydraulic control devices at ambient temperatures from -10 °C to 60 °C.
This document identifies and takes into account:
-   possible hazards which can be caused by the operation of hydraulic and electro hydraulic control devices;
-   areas and operating conditions which can create such hazards;
-   hazardous situations which can cause injury or can be damaging to health;
-   hazards which can be caused by firedamp and/or combustible dusts.
This document describes methods for the reduction of these hazards.
A list of significant hazards covered appears in Clause 4.
This document does not specify any additional requirements for:
-   use in particularly corrosive environments;
-   hazards occurring during construction, transportation, decommissioning;
-   earthquakes.
A complete hydraulic powered roof support consists of the support units (EN 1804-1:2020), legs and support rams (EN 1804-2:2020) and the hydraulic and electro hydraulic controls (EN 1804-3:2020). Each part of this multipart document addresses the safety requirements of the components mentioned in the scopes of the respective parts of this multipart series.
This document is not applicable to hydraulic and electro hydraulic control systems manufactured before the date of its publication.

This document stipulates the safety requirements for the use of support units intended by the manufacturer. 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 document 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.
NOTE   Some components are discussed in other parts of this series of standards.
This document applies for support units that are used at ambient temperatures between −10 °C and 60 °C.
This document also applies to support components and support accessories which are provided if the support unit is fitted with stowing equipment. This document identifies and takes account of:
-   the hazards that can possibly be induced through operation of the support units;
-   the hazardous areas and the operating conditions that can cause any type of hazard;
-   the situations that can result in hazards that cause an injury or impair health;
-   dangers that can be caused through mine gas and/or flammable dusts.
This document describes methods for reducing these hazards.
Clause 4 contains a list of the hazards discussed.
This document does not specify any additional requirements for:
-   a particularly corrosive environment;
-   risks associated with manufacturing, transport and decommissioning;
-   earthquake.
A complete hydraulic powered roof support consists of the support units (EN 1804-1:2020), legs and support rams (EN 1804-2:2020) and the hydraulic and electro hydraulic controls (EN 1804-3:2020). Each part of this multipart document addresses the safety requirements of the components mentioned in the scopes of the respective parts of this multipart series.
This document is not applicable to all support units manufactured before the date of its publication.

This document specifies the safety requirements for self-propelled mobile machines used in underground mining, as defined in 3.1.
This document deals with hazards, hazardous situations and hazardous events (see Annex B) relevant to these machines when they are used as intended or under conditions of misuse reasonably foreseeable by the manufacturer.
For utility/service/support machines, this document only includes provisions to address the risks associated with the mobility (movement of the whole machine from one location to another). Risks for the additional functions (e.g. scaling, concrete spraying, bolting, charging, drilling, attachments) are not covered in this document.
This document specifies the appropriate technical measures for eliminating or sufficiently reducing risks arising from hazards, hazardous situations or hazardous events during commissioning, operation and maintenance.
This document does not address:
—          the additional risks for machines operating in potentially explosive atmospheres;
—          air quality and engine emissions.
This document is not applicable to:
—          machines constrained to operate by rails;
—          continuous miners, roadheaders, drill rigs, conveyors, long wall production equipment, tunnel boring machines (TBM), and mobile crushers.

2019-09-17 JF: TC request for the editorial change in Annex ZA to adress the Consultant's comment
2019-03-19 The Enquiry draft of the standard had not been submitted for the assessment. In February, the TC provided a detailed Annex ZA  in line with the general EC request. CCMC requested the missing assessment on 2019-03-19. The indicative deadline to receive it is 2019-04-24.

ISO 19225:2017 specifies safety requirements to minimize the hazards listed in Clause 4 that can occur during the assembly, use, maintenance, repair, decommissioning, disassembly and disposal of shearer loaders and plough systems when used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer, in underground mining.
ISO 19225:2017 does not cover any hazards resulting from explosive atmospheres. Requirements for explosive atmospheres can be found in ISO/IEC 80079‑38.
ISO 19225:2017 is not applicable to machines that are manufactured before the date of its publication.

This European Standard deals with all significant hazards, hazardous situations and events relevant to road headers and continuous miners as defined in Clause 3 (here in after called machines) when they are used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer (see Clause 4).
NOTE 1   Within the intended use, overturning of the road header or continuous miner is not a significant hazard.
Excavators are out of the scope of this standard and are covered by EN 474 1:2006+A4:2013 and EN 474 5:2006+A3:2013.
The following items and applications are not covered by this European Standard:
—   the supply of electricity up to the switch box;
—   use of the machine in potentially explosive atmospheres;
—   use of the machine under hyperbaric conditions;
—   loading and transport equipment which is not an integral part of the machine.
This European Standard covers incorporation of monitoring devices for hazardous atmospheres.
This European Standard is not applicable to machines manufactured before the date of publication of this European Standard by CEN.
NOTE 2   Directive 94/9/EC concerning equipment and protective systems intended for use in potentially explosive atmospheres can be applicable to the type of machine or equipment covered by this European Standard. The present standard is not intended to provide means of complying with the essential health and safety requirements of Directive 94/9/EC. For the application in potentially explosive atmospheres see EN 1710:2005+A1:2008.

This European Standard applies to mechanical continuous handling equipment used in opencast lignite mines and the particular mechanical continuous handling equipment used:
-   to convey lignite or overburden from opencast mines;
-   to convey residuals and tailings from lignite processing to opencast mines;
-   to convey lignite, overburden or lignite treatment processing residuals and tailings from one opencast mine to another.
This standard applies to continuous handling equipment operating in delimited site areas that are off-limits to the public and accessible only to authorized persons.
It specifies the safety requirements for stationary, mobile and shiftable continuous handling equipment designed to transport bulk goods by continuous movement from a loading point to a discharge point.
The standard considers the significant hazards that arise during the use, movement and shifting of continuous handling equipment, as well as the measures for eliminating or reducing these hazards provided the continuous handling equipment is used as intended and the remaining risk is foreseen and taken into account by the manufacturer. A complete list of all the hazards specified in EN 1050 is given in Annex A (normative).
The requirements of this standard do not apply to equipment and systems manufactured and put into operation before the publication date of this standard.
This standard does not cover:
a)   safety requirements of wireless remote control systems;
b)   hazards generated by noise;
c)   hazards generated by vibration;
d)   hazards generated by explosion;
e)   hazards generated by electromagnetic interference (EMC).
NOTE   Directive 94/9/EC concerning equipment and protective systems intended for use in potentially explosive atmospheres and Directive 89/336/EEC.relating to electromagnetic compatibility may be applicable to equipment or components covered by this European Standard.

1.1   This European Standard specifies the safety requirements for armoured face conveyors and covers, conveyor drive units, return units, line pans, chain assemblies, devices for tensioning and locking chains.
This European Standard does not apply to stage loader ancillaries, armoured face conveyors which form part of mineral bunker systems or operate as spillage conveyors, to haulage systems and guides utilised by extraction machines, to the technical requirements for cable-less remote controls, to compressed air powered machines, or to the interfaces between the elements of the conveyor and other machine installations.
Armoured face conveyors are designed for the transport of minerals and rock only.
NOTE   Armoured face conveyors can be used as a base for guiding the extraction machine and as a link between the face roof support and the extraction machine if required.
This European Standard deals with all hazards, hazardous situations and events for the use in mines, when they are used as intended and for the conditions foreseen by the manufacturer.  See clause 4 for the hazards dealt with.
1.2   This European Standard does not cover any hazards resulting from the electrical equipment associated with the machine.  It does not contain any requirements relating to dust suppression or firedamp hazards. Hazards due to noise are also excluded from this European Standard, but a separate European Standard is in preparation where hazards due to noise will be addressed.
It is intended for manufacturers producing and marketing complete machines, and for manufacturers assembling new parts from different origins or assembling new machines even for their own use.  These are called "manufacturers" in this European Standard.
1.3   This European Standard applies to armoured face conveyors which are manufactured after the date of issue of this European Standard.

This European standard specifies the safety requirements and tests for rail locomotives for use in underground mining (i.e. mine locomotives) and other underground workings (e.g. tunnelling locomotives).
1.1   This European standard deals with the technical requirements to minimise the hazards listed in clause 4 which can arise during the commissioning, the operation and the maintenance of locomotives when carried out in accordance with the specifications given by the manufacturer or his authorised representative.
1.2   This European standard does not address the special hazards associated with the rack drive of rack and pinion locomotives.
1.3   This European standard does not deal with radiation and vibration.  It does not address remote control locomotives or operation in potentially explosive atmospheres.  Hazards due to noise are excluded from this standard, but a separate standard is in preparation where hazards due to noise will be addressed.1.4   This European standard applies to locomotives which are manufactured after the date of issue of this standard.

This standard specifies the safety requirements for the electro-hydraulic control systems of hydraulic powered roof supports and their emergency stop, pre-start-warning, monitoring and control devices when used as specified by the manufacturer or his authorised representative.

This document specifies the safety requirements for hydraulic control devices, including hydraulic valves and their control elements, valve combi¬nations, control systems, pipes and hose assemblies, fittings, shut-off devices, measuring devices, filters, built-in pressure limiting and check valves in legs and rams and water spraying and dust suppression valves when used as specified by the manufacturer or his authorized representative. Excluded are electronic control devices, pressure generators, and internal valves of legs and rams (e.g. constant yield valves, see EN1804-2).
Some components are dealt with in other parts of this standard.
NOTE   prEN1804-4 also applies to electro-hydraulic control devices. Part 4 also contains requirements for electrical control elements of valves.
This document applies to hydraulic control devices at ambient temperatures from –10 °C to 60 °C.
This document identifies and takes into account:
-   possible hazards which may be caused by the operation of hydraulic control devices;
-   areas and operating conditions which may create such hazards;
-   hazardous situations which may cause injury or may be damaging to health;
-   hazards which may be caused by firedamp and/or combustible dusts.
This document describes methods for the reduction of these hazards.
A list of significant hazards covered appears in clause 4.
This document is applicable to all hydraulic control devices placed on the market for the first time after the date of issue of this standard.
This document does not specify any additional requirements for:
-   use in particularly corrosive environments;
-   hazards occurring during construction, transportation, decommissioning;
-   earthquakes.

This standard specifies 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.
NOTE   Some components are dealt with in other parts of this standard.
This standard applies to support units used at temperatures from -10° C to 60° C.
This standard also applies to support components and support accessories which are provided if the support unit is fitted with stowing equipment. This standard identifies and takes account of:
-   Possible hazards which may be caused by the operation of support units;
-   Areas and operating conditions which may create such hazards;
-   Hazardous situations which may cause injury or may be damaging to health;
This standard describes methods for the reduction of these hazards.
A list of hazards covered appears in clause 4.
This European standard does not establish the additional requirements for:
-   Specially corrosive environments;
-   Hazards occurring during construction, transportation, decommissioning;
-   Earthquake.
This standard is applicable to all support units placed on the market for the first time, which are manufactured after the date on which this standard was published.

This standard specifies the safety requirements for legs and rams when used as specified by the manufacturer or his authorised representative. Examples covered by the standard include legs, support rams and rams with their mechanical extensions, internal valves and safety devices, seals, hydraulic connections (up to the first hose or Type B valve, see Part 3) and their lifting points but excluding protective pipes and gaiters, external valves and hydraulic and electrohydraulic control systems.
NOTE   Some components are dealt with in other parts of this standard.
This standard applies to legs, support rams and rams used at ambient temperatures from –10 °C to 60 °C.
This standard identifies and takes account of:
-   Possible hazards which may be caused by the operation of legs, support rams and rams;
-   Areas and operating conditions which may create such hazards;
-   Hazardous situations which may cause injury or may be damaging to health.
This standard describes methods for the reduction of these hazards.
A list of hazards covered appears in clause 4.
This standard is applicable to all legs, support rams and rams placed on the market for the first time and which are manufactured after the date on which this standard was published.
This European standard does not establish the additional requirements for:
-   Specially corrosive environments;
-   Hazards occurring during construction, transportation, decommissioning;
-   Earthquake.

1.1   This European Standard specifies the safety requirements and tests for self-propelled rubber tyred vehicles as defined in 3.1 intended primarily for use in underground mining (i.e. as mine vehicles) and other underground workings (e.g. as tunnelling vehicles). The electrical supply voltage is limited to 1100 A.C. and 1500 D.C.
1.2   This European Standard deals with all significant hazards, hazardous situations and hazardous events, applying to self-propelled, rubber-tyred vehicles, subject to being used according to their intended purpose and prevailing manufacturer’s conditions and within the scope of foreseeable misuse. This European Standard describes appropriate action to be taken to avoid or minimize the risk of significant hazards.
1.3   This European Standard does not include rubber tyred drilling rigs, which are covered by EN 791, or earth-moving machinery not intended primarily for use in underground mines, which are covered by EN 474 (all parts). This European Standard does not take account of specific hazards associated with special-purpose vehicles, e.g. tankers, explosives vehicles.
This standard does not cover the use and operation of rubber-tyred vehicles being remotely controlled or operation in potentially explosive atmospheres.
1.4   This European Standard applies to vehicles which are manufactured after the date of issue of this standard.
1.5   This European standard does not consider the use of vehicles in explosive atmosphere.

This Standard specifies the requirements for mobile extracting machines working underground at the face. It specifies requirements for the construction, equipment marking and testing of shearer loaders, trepanners, jib-type cutters, face opening machines and plough systems. This includes their control systems and face and goaf-side guiding and haulage elements. Conveyors, spill plates and auxiliary devices such as lasers, etc., are excluded.

This European standard specifies the safety requirements and type tests for self-propelled rubber tyred vehicles intended primarily for use in underground mines. This European standard identifies and takes account of the hazards arising from the use in mines of such equipment and describes methods for the elimination or reduction of these hazards and for the safeguarding of personnel machinery. These hazards are listed under clause 4.

This European Standard applies to mechanical continuous handling equipment used in opencast lignite mines
and the particular mechanical continuous handling equipment used:
. to convey lignite or overburden from opencast mines;
. to convey residuals and tailings from lignite processing to opencast mines;
. to convey lignite, overburden or lignite treatment processing residuals and tailings from one opencast
mine to another.
This standard applies to continuous handling equipment operating in delimited site areas that are off-limits to
the public and accessible only to authorized persons.
It specifies the safety requirements for stationary, mobile and shiftable continuous handling equipment
designed to transport bulk goods by continuous movement from a loading point to a discharge point.
The standard considers the significant hazards that arise during the use, movement and shifting of continuous
handling equipment, as well as the measures for eliminating or reducing these hazards provided the
continuous handling equipment is used as intended and the remaining risk is foreseen and taken into account
by the manufacturer. A complete list of all the hazards specified in EN 1050 is given in Annex A (normative).
The requirements of this standard do not apply to equipment and systems manufactured and put into
operation before the publication date of this standard.

This document specifies the safety requirements for hydraulic control devices, including hydraulic valves and
their control elements, valve combinations, control systems, pipes and hose assemblies, fittings, shut-off
devices, measuring devices, filters, built-in pressure limiting and check valves in legs and rams and water
spraying and dust suppression valves when used as specified by the manufacturer or his authorized
representative. Excluded are electronic control devices, pressure generators, and internal valves of legs and
rams (e.g. constant yield valves, see EN1804-2).
Some components are dealt with in other parts of this standard.
NOTE prEN1804-4 also applies to electro-hydraulic control devices. Part 4 also contains requirements for electrical
control elements of valves.
This document applies to hydraulic control devices at ambient temperatures from –10 °C to 60 °C.
This document identifies and takes into account:
- possible hazards which may be caused by the operation of hydraulic control devices;
- areas and operating conditions which may create such hazards;
- hazardous situations which may cause injury or may be damaging to health;
- hazards which may be caused by firedamp and/or combustible dusts.
This document describes methods for the reduction of these hazards.
A list of significant hazards covered appears in clause 4.
This document is applicable to all hydraulic control devices placed on the market for the first time after the
date of issue of this standard.
This document does not specify any additional requirements for:
- use in particularly corrosive environments;
- hazards occurring during construction, transportation, decommissioning;
- earthquakes.

This standard specifies the safety requirements for legs and rams when used as specified by the manufacturer or his authorised representative. Examples covered by the standard include legs, support rams and rams with their mechanical extensions, internal valves and safety devices, seals, hydraulic connections (up to the first hose or Type B valve, see Part 3) and their lifting points but excluding protective pipes and gaiters, external valves and hydraulic and electrohydraulic control systems.
NOTE Some components are dealt with in other parts of this standard.
This standard applies to legs, support rams and rams used at ambient  temperatures from -10 °C to 60 °C.
This standard identifies and takes account of:
-   Possible hazards which may be caused by the operation of legs, support rams and rams;
-   Areas and operating conditions which may create such hazards;
-   Hazardous situations which may cause injury or may be damaging to health.
This standard describes methods for the reduction of these hazards.
A list of hazards covered appears in clause 4.
This standard is applicable to all legs, support rams and rams placed on the market for the first time and which are manufactured after the date on which this standard was published.
This European standard does not establish the additional requirements for:
-    Specially corrosive environments;
-    Hazards occurring during construction, transportation, decommissioning;
-    Earthquake.

This standard specifies 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 ancho-ring 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.
NOTE Some components are dealt with in other parts of this standard.
This standard  applies to support units used at temperatures from -10° C to 60° C.
This standard also applies to support components and support accesso-ries which are provided if the support unit is fitted with stowing equip-ment. This standard identifies and takes account of:
-   Possible hazards which may be caused by the operation of support units;
-   Areas and operating conditions which may create such hazards;
-   Hazardous situations which may cause injury or may be damaging to health;
This standard describes methods for the reduction of these hazards.
A list of hazards covered appears in clause 4.
This European standard does not establish the additional requirements for:
-   Specially corrosive environments;
-   Hazards occurring during construction, transportation, decommissioning;
-   Earthquake.
This standard is applicable to all support units placed on the market for the first time, which are manufactured after the date on which this standard was published.

This European standard specifies the safety requirements and tests for locomotives for use in underground mining (i.e. mine locomotives) and other underground workings (e.g. tunnelling locomotives). This European standard identifies and takes account of the hazards arising from the use in mines and other underground workings of such equipment and describes methods for the elimination or reduction of these hazards, and for the safeguarding of personnel and machinery. These hazards are listed under clause 4.

This standard specifies the safety requirements for armoured face conveyors including conveyor drive units, return units, line pans, chain assemblies, devices for tensioning and locking chains, brackets for the attachment and anchoring of shifting units, control and power supply systems and furnishings, and takes account of the constraints imposed by other associated equipment.