Nederlandse
NEN-EN 791 Boorinstallaties. Veiligheidseisen
Drill rigs. Safety
1e druk, december 1995 UDC 622.232.83:622.233.4/.6:622.242.3:62-78
Dit document bevat de geratificeerde Engelse versie van de Europese norm EN 7 9 1 , november 1995 .
Deze norm heeft de status van Nederlandse norm.
Toelichting
Ten behoeve van de openbaarheid van normen is besloten deze geratificeerde versie ter beschikking te stellen. Zodra de officiële Engelse versie beschikbaar is, zal deze de geratificeerde versie vervangen en met een nieuw voorblad als nieuwe druk worden uitgegeven.
Normcommissie 351 2 3 0 "Bouwplaatsomstandigheden"
Behoudens uitzondering door de wet gesteld mag zonder schriftelijke toestemming van het Nederlands Normalisatie-instituut niets uit deze uitgave worden verveelvoudigd en/of openbaar gemaakt door middel van fotokopie, microfilm, opslag in computerbestanden of anderszins, hetgeen ook van toepassing is op gehele of gedeeltelijke bewerking.
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Prijsklasse 48
Nederlands Normalisatie-instituut
© 1995 Nederlands Normalisatie-instituut Kalfjeslaan 2, Postbus 5059, 2600 G В Delft, Telefoon (015) 2 690 390, Fax (015) 2 690 190
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Nederlands voorwoord
Voor de in deze norm vermelde andere normen bestaan in Nederland de volgende equivalenten:
Vermelde norm: Nederlandse norm : Titel:
EN 3:1975 EN 292-1:1991
EN 292-2:1991
EN 294:1992
EN 418:1992
EN 563:1994
prEN 953
prEN 954-1
prEN 982
prEN 983
prEN 1037 ENV 1070:1993 EN 22860:1985 EN 23164:1985
EN 23411:1988
EN 50081-2:1993
EN 50082-2:1994
EN 60204-1:1992
EN 61310-1:1995
IEC 651:1979 IEC 804:1985 ISO 2631-1:1985
ISO 2867 ISO 3449 ISO 3450 ISO 3457
1989 1992 1985 1986
ISO 3471-1:1986 ISO 3795 ISO 3864 ISO 4253 ISO 4302 ISO 4309 ISO 4872
1989 1984 1993 1981 1990 1978
NEN-EN 3:1979 NEN-EN 292-1:1994
NEN-EN 292-2:1994
NEN-EN 294:1994
NEN-EN 418:1993
NEN-EN 563
ontw.NEN-EN 953
ontw.NEN-EN 954-1
ontw.NEN-EN 982
ontw.NEN-EN 983
ontw.NEN-EN 1037 NVN-ENV 1070:1993 NEN-ISO 2860:1987 NEN-ISO 3164:1987
NEN-ISO 3411:1992
NEN-EN 50081-2:1994
NEN-EN 50082-2:1995
NEN-EN 60204-1:1995
NEN-EN 61310-1:1995
NEN 10651:1994 NEN 10804:1994 NEN-ISO 2631-1:1987
Brandbestrijding. Draagbare blustoestellen Veiligheid van machines. Basisbegrippen, algemene ontwerp-beginselen. Deel 1 : Basisterminologie, methodologie Veiligheid van machines. Basisbegrippen, algemene ontwerp-beginselen. Deel 2: Technische beginselen en beschrijvingen Veiligheid van machines. Veiligheidsafstanden ter voorkoming van het bereiken van gevaarlijke zones met de bovenste ledematen Veiligheid van machines. Noodstopvoorzieningen. Functionele aspecten, ontwerpprincipes Veiligheid van machines. Temperaturen van aan te raken oppervlakken. Ergonomische gegevens om temperatuurgrens-waarden voor hete oppervlakken vast te stellen Veiligheid van machines. Algemene eisen voor het ontwerp en de constructie van afschermingen (vast, beweegbaar) Veiligheid van machines. Onderdelen van besturingssystemen met een veiligheidsfunctie. Deel 1 : Algemene ontwerpbeginselen Veiligheid van machines. Veiligheidseisen voor hydraulische en pneumatische systemen en hun onderdelen. Hydrauliek Veiligheid van machines. Veiligheidseisen voor hydraulische en pneumatische systemen en hun onderdelen. Pneumatiek Veiligheid van machines. Voorkoming van onbedoeld starten Veiligheid van machines. Termen en definities Grondverzetmachines. Minimale afmetingen van toegangen Grondverzetmachines. Laboratoriumonderzoek van beschermende constructies tegen kantelen en vallende voorwerpen. Restvolume na vervorming Grondverzetmachines. Lichaamsafmetingen van machinisten en minimale vrije werkruimte Elektromagnetische compatibiliteit. Algemene emissienorm. Deel 2: Industriële omgeving Elektromagnetische compatibiliteit. Algemene immuniteitsnorm. Deel 2: Industriële omgeving Veiligheid van machines. Elektrische uitrusting van industriële machines. Deel 1 : Algemene eisen Veiligheid van machines. Signalering, aanduidingen en bediening. Deel 1 : Eisen aan zichtbare, hoorbare en voelbare signalen Geluidniveaumeters Integrerende, middelende geluidniveaumeters Mechanische trillingen. Beoordeling van de invloed van trillingen op het menselijke lichaam. Deel 1 : Algemene eisen
NEN-EN-ISO 3457:1995 Grondverzetmachines. Afschermingen. Termen, definities en eisen
NEN 3011:1986 Veiligheidskleuren en -tekens
NEN-ISO 4872:1983 Akoestiek. Meten van luchtgeluid veroorzaakt door bouwmachines bestemd voor gebruik in de open lucht. Methode om te controleren of is voldaan aan geluideisen
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ISO 5010:1992 ISO 6405-1:1991 ISO 6405-2:1993 ISO 6682:1986 NEN-EN-ISO 6682:1995 Grondverzetmachines. Comfortgebieden en bedienings
afstanden ISO 6750:1984 ISO 7000:1989 ISO 7095:1982 ISO 10570:1992 ISO 11201 Voorbeeld
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EUROPEAN STANDARD EN 791
NORME EUROPÉENNE
EUROPÄISCHE NORM November 1995
ICS 91.220
Descriptors: drilling equipments, percussion drilling, rotary drilling, safety of machines, dangerous machines, hazards, safety measures, operating stations, control devices, brakes, safety devices, stability, fire protection, engine noise, vibration, marking, name plates, technical notices
English version
Drill rigs - Safety
Appareils de forage - Sécurité Bohrgeräte - Sicherheit
This European Standard was approved by CEN on 1995-07-01. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member.
The European Standards exist in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
CEN European Committee for Standardization
Comité Européen de Normalisation Europäisches Komitee für Normung
Central Secretariat: rue de Stassart,36 В-1050 Brussels
© 1995 All rights of reproduction and communication in any form and by any means reserved in all countries to CEN and its members.
Ref. No. EN 791:1995 E
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Page 2 EN 791: 1995
Contents
0
1
2
3
4
5
5.1 5.1.1 5.1.2 5.1.3 5.1.4 5.1.5 5.1.6 5.1.7 5.1.8 5.1.9
5.2 5.2.1 5.2.2 5.2.3 5.2.4
5.3 5.3.1 5.3.2 5.3.3 5.3.4 5.3.5
5.4 5.4.1 5.4.2 5.4.3
Foreword
Introduction
Scope
Normative References
Definitions
List of hazards
Safety requirements and measures
General safety requirements Intended use of the drill rig Ergonomics Hot and cold surfaces and sharp edges Ventilating ports Hoses, pipes and fittings under pressure Materials Handling of the drill rig and its parts Access to operating positions and servicing points Isolation of energy sources
Driving, tramming and operating position General Operator's position Underground drill rigs Visibility
Controls, functions, systems General Starting Stopping Failure of the power supply Failure in a control circuit
Control devices General Emergency stop and safety devices Verification
Page
6
7
7
9
11
14
15
15 15 15 15 15 16 16 16 16 17
17 17 17 18 19
19 19 19 19 20 20
20 20 21 22
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Page3 EN 791: 1995
5.5 5.5.1 5.5.2 5.5.3 5.5.4
5.6 5.6.1 5.6.2 5.6.3 5.6.4 5.6.5
5.6.6
5.6.7 5.6.8
5.7 5.7.1 5.7.2 5.7.3
5.8 5.8.1 5.8.2
5.9
5.10
5.11 5.11.1 5.11.2
5.12 5.12.1 5.12.2 5.12.3
Stability General stability criteria Definitions for stability calculations Verification of stability Ground pressure, calculation for crawler mounted drill rigs
Carrier brakes General General requirements for wheel mounted drill rigs Service braking system for wheel mounted drill rigs Secondary braking system for wheel mounted drill rigs Parking braking systems for wheel and crawler mounted drill rigs The service, secondary and parking braking systems on crawler mounted drill rigs Braking systems for "skid steer" wheel mounted drill rigs Verification
Protection against moving parts General Transmission parts Moving parts involved in the working process
Electrical installations Electric power installation Battery installation
Hydraulic installations
Pneumatic installations
Lighting Working light Illumination when tramming
Fire protection General Fire extinguishers Installation of fire extinguishers
Page
22 22 22 27 30
32 32 32 33 33 33
33
34 34
34 34 34 35
37 37 37
37
38
38 38 38
39 39 39 39
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Page 4 EN 791: 1995
5.13 5.13.1 5.13.2 5.13.3
5.14 5.14.1 5.14.2
5.15 5.15.1 5.15.2 5.15.3
5.16
5.17 5.17.1 5.17.2 5.17.3 5.17.4 5.17.5 5.17.6
5.18
5.18.1 5.18.2 5.18.3 5.18.4
5.19
6
7
7.1
7.2 7.2.1 7.2.2
Noise and vibration General Noise Vibration
Dust and gases Dust suppression Engines and engine exhausts
Draw-works, winches and ropes General Safety requirements Winches for operating a drill rig on slopes
Roller and leaf chains
Masts, derricks, feed beams and working platforms General Racking and working platforms Personnel lift for operational work Movable platforms for service, maintenance and repair Access Escape systems
Special requirements for remotely controlled and automated drill rigs Operating position Emergency stop Control system Fire protection
Warning devices
Verification of safety requirements/measures
Instructions for use - Instruction handbook
Marking - Data plate
Indicators Information indicators Warning signs for residual hazards
Page
40 40 40 40
40 40 41
41 41 42 43
44
44 44 44 45 46 46 47
47
47 47 47 48
48
48
49
49
49 49 49
7.3 Maintenance 50
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Page 5 EN 791: 1995
Page
7.4 Instruction handbooks for drill rigs 50 7.4.1 General 50 7.4.2 Operator's instructions 51 7.4.3 Special safety instructions in the operator's instructions 53 7.4.4 Maintenance instructions 53 7.4.5 Special safety instructions in the maintenance instructions 54 7.4.6 Spare parts list 55
Annex A (normative) Measurement of noise and vibration 56
Annex В (normative) Instructions for the examination and checking of blocks, 59 wire ropes and chains
Annex С (normative) Brake test for drill rigs excluding truck and tractor 60
mounted rigs
Annex D (normative) Hazards related to operation modes of drill rigs 63
Annex E (informative) Symbols and signs 65 Annex F (informative) Bibliography 83
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Page 6 EN 791: 1995
Foreword
This European Standard has been prepared by CEN/TC 151 "Construction equipment and building material machines - Safety" of which the secretariat is held by DIN.
This European Standard has been prepared under a mandate given to CEN by the Commission of the European Communities and the European Free Trade Association, and supports the essential requirements of EC Directive(s).
This standard is a Type C-standard in the structure of A-/B-/C-standards as defined in EN 292.
The Annex A is normative and contains "Measurement of noise and vibration", the Annex В is normative and contains "Instructions for the examination and checking of blocks, wire ropes and chains", the Annex С is normative and contains "Brake test for drill rigs excluding truck and tractor mounted drill rigs", the Annex D is normative and contains "Hazards related to operation modes of drill rigs", the Annex E is informative and contains "Symbols and signs" and the Annex F is informative and contains "Bibliography".
This European Standard shall be given the status of a National Standard, either by publication of an identical text or by endorsement, at the latest by May 1996, and conflicting national standards shall be withdrawn at the latest by May 1996.
According to the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom.
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Page 7 EN 791: 1995
0 Introduction
The extent to which hazards are covered is indicated in the scope of this standard.
In addition, machinery should comply as appropriate with EN 292 for hazards which are not covered by this standard.
Those hazards that are relevant for all mechanical, electrical, hydraulic, pneumatic and other equipment of machinery and that are dealt with in standards for common use are not covered by this standard.
Reference to pertinent standards of this kind is made where such standards are applicable and so far as is necessary.
1 Scope
1.1 The general term "Drill Rig" covers several differing types of machines for use in the construction industry, water well drilling industry, mining and quarrying, for use above ground as well as underground and for tunnel construction. The differing tasks determine the choice of drilling method and type of machine. For this reason there are many possible ways to separate drill rigs into different groups, e.g. in accordance with:
- the task; - the drilling method used; - the cutting removal method; - the type of construction work.
The methods used for drilling can be basically differentiated in percussive and rotary drilling principles.
Percussive drilling is a method by which the hole is produced by crushing the ground or rock at the bottom of the drill-hole by striking it with the drilling tool and removing the cuttings out of the borehole.
Rotary drilling is a method in which the drilling tool at the bottom of the borehole is rotated and at the same time, a feed force is applied by a feed system or drill collar. The ground or rock at the bottom of the borehole is crushed or cut by pressure, shear or tensile stress produced by the different drilling tools. The cuttings are periodically or continuously removed out of the bore hole.
Rotary percussive drillmg is performed by a piston striking directly on the bit (down the hole hammer drills) or by percussive energy transmitted via a drill string to the bit. The piston is powered by either hydraulic fluid or compressed air.
At the same time the drill bit is rotated either continuously or intermittently.
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Page 8 EN 791: 1995
The cuttings are continuously removed out of the borehole by a flushing medium, air or fluid which is carried to the drilling tool.
Typical examples of drill rigs covered by this standard are:
- Cable tool drill rig; - Pile drill rigs; - Pile top drill rig; - Raise borer; - Reverse circulation drill rig; - Rotary and rotary percussive drill rig for underground drilling; - Rotary and rotary percussive drill rig for surface drilling; - Rotary drill rig with power swivel; - Rotary spindle rig; - Rotary drill rig for underground use.
A casing or a drilling fluid may be used to stabilize the bore hole.
Drill rigs are stationary during drilling. They may move from one place erf work to another, under their own power. Self propelled drill rigs may include those mounted on lorries, wheeled chassis, tractors, crawlers, skid bases (pulled by winch). When drill rigs are mounted on lorries, tractors and trailers, or are wheeled based, transportation may be carried out at higher speeds and on public roads. When designing and constructing these units attention is drawn to regulations covering both the drill rig and traffic regulations.
The questions of safety and ergonomie criteria in this standard mainly refer to the principal work, e.g. when the machine is stationary and drilling. In many cases the driver is also the operator of the drill rig.
1.2 This standard deals with the significant hazards pertinent to mechanized drill rigs, when used as intended and under the conditions foreseen by the manufacturer. It specifies requirements of safety concerning the design, construction, operation and maintenance. This standard applies to drill rigs for surface and underground drilling in the tunnelling, mining, construction and water well drilling industries. Casing units are also covered by this standard.
If the base of a drill rig consists of an excavator, crane, etc. it shall be covered by its own standards to the extent the requirements of this standard are not applicable.
NOTE 1 : If a drill rig operates with attachments other than those for drilling according to this standard, e.g. pile driving, the safety standards applying to such machines shall also be complied with.
For drill rigs to be used in an explosive atmosphere (coal mining etc.) the relevant standards apply additionally.
NOTE 2: CEN/TC 196 is preparing complementary standards for machines to be used in explosive atmospheres.
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