Decree No. 202 / 1995 Coll.
Decree of the Czech Mining Authority on requirements to ensure safety and health in the operation and work of electrical equipment in mining and mining activities
Valid
Order
Effective from 25.09.1995
Text versions:
25.09.1995
202
DECLARATION
Czech Mining Office
of 11 August 1995
on requirements to ensure the safety and health of operators and workers on electrical equipment in mining and mining activities
The Czech Mining Office provides pursuant to § 6 (6) (a) of the Act of the Czech National Council No. 61 / 1988 Coll., on Mining Activities, Explosives and on State Mining Administration:
Scope
The Decree sets out requirements to ensure the safety and health of operators and work on electrical equipment in mining and mining activities.
Interpretation of terms
For the purposes of this decree, it shall be considered as:
(a) electrical equipment for the production, conversion, transmission, distribution and consumption of electricity;
(b) the operation and operation of electrical equipment, such as switching, regulation, monitoring of data of permanently placed devices, synchronisation, exchange of threaded and instrument fuses,
(c) a visual inspection of the electrical equipment and a sensory check of the state of the electrical equipment and its operation;
(d) work on electrical equipment for the installation, revision, repair and maintenance of electrical equipment, as well as all work for the provision of workplaces and measurement of portable equipment;
(e) working on an electrical device under voltage of work where a person is in direct contact with live parts of the electrical equipment or is in a danger zone of any part of the body or instrument, instrument or device with which he is working;
(f) working on electrical equipment without tension on electrical equipment or parts thereof which are neither energized nor containing dangerous charges, including measures to ensure that there is no danger of hazardous electrical current;
(g) a dangerous zone of space around the electrical equipment or parts thereof under voltage in which the level of insulation is not ensured in such a way as to prevent the occurrence of a danger from such equipment;
(h) safe distance distance distance for safe work outside a dangerous zone, determined taking into account the type of work carried out, the qualifications achieved and the size of the voltage on the electrical equipment;
(i) a barrier preventing access and contact with electrical equipment;
(j) work with the supervision of work on electrical equipment by a designated person in accordance with detailed instructions containing the necessary security measures and under the control of the authorised person;
(k) work with supervision of electrical equipment carried out in the presence of the person in charge of supervision;
(l) a security order (hereinafter referred to as "B command") an order to implement the necessary technical and organisational measures to ensure the safety of work on electrical equipment;
m) provision of the workplace with a summary of the operations needed to create conditions of safe work on the electrical equipment (switching off, disconnecting, testing for despair, shortening, etc.),
n) work aids used to provide work and service on electrical equipment (shortening and ground equipment, discharge devices, insulating switches, phasing rods, voltage tests, measuring instruments, ropes, insulated tools, etc.),
(o) a written record of the staff member's familiarisation with the legislation, rule or order, as well as with a work order signed by the staff member, indicating its content and duration.
Electrical equipment service
(1) Only workers who have been shown to be familiar with this equipment may serve electrical equipment.
(2) A staff member operating an electrical device may only touch those parts of the electrical equipment which are intended to be operated, such as switch handles, levers, or switch buttons.
(3) The staff member operating the electrical equipment shall not approach parts of the electrical equipment at a voltage closer than the safe distance; the safe distances are listed in the Annex which is part of this Decree.
(4) In the event of damage to an electrical device or to a malfunction likely to endanger safety and health, the staff member operating the electrical equipment shall take measures to eliminate or at least reduce the risk. An employee serving an electrical device shall report damage or failure to the device to the employer.
Works on electrical equipment
(1) Works on electrical equipment can be performed in principle without voltage. In the case of a power-driven power-generating module, the power-generating module shall be equipped with a power-generating module.
(2) Work on equipment which has not yet been connected under voltage, but where it is not possible to exclude the generation of a dangerous induction voltage from the simultaneous or transiting line, is considered to be working under voltage.
(3) Works on electrical equipment under tension must not be carried out in tight, wet, wet, areas with increased aggressiveness, as well as in all workplaces outside in the rain, storms, fog, whirlwind and snow, unless otherwise specified by the Special Regulation (1).
(4) Only the part of the electrical equipment to be operated may be unprotected when working near the parts of the electrical equipment under voltage and on the parts under voltage. Other parts shall be protected by barriers.
(5) Works on electrical equipment with a voltage above 1000 V are prohibited if the staff member is forced to work on such equipment in a forward or other unstable position.
Safety measures at work on electrical equipment without voltage
(1) Work on electrical equipment without voltage may be carried out by a person instructed (2) with supervision, or by a person with higher qualifications.
(2) Before starting work on an electrical device without voltage, the electrical equipment shall be provided by switching off, disconnecting and disconnecting, if necessary. The electrical equipment shall be switched off, switched off and disconnected from all sides of the power supply. In the place where the electrical equipment is switched off or disconnected, the staff member shall place a safety table: "Do not switch on, the device shall be operated '. Where unwanted switching cannot be excluded, the switch, switch or disconnect shall be locked or otherwise secured, the contactors shall be secured by disconnecting the control circuits, the pressure-from-air drives shall be closed by pressure-from-air control valves, control circuits disconnected and remote control switched off.
(3) In the case of work on the power circuit of the electrical equipment, the fuses shall be removed.
(4) When the electrical equipment is switched off or disconnected, the staff member shall verify by means of a test or measuring instrument that the electrical equipment or part of it to be operated is free of tension in all poles or phases. This check of a hopeless state can be omitted if the option to detect the off state is otherwise reliable. The shortening device can only be installed after the check of the hopelessness condition by first connecting to the ground and then connecting to all the wires of the off device.
(5) The shortening and grounding of the electrical equipment shall be carried out on all sides of the possible power supply, while taking measures to prevent any entry into place with the parts under voltage. When working on an electrical device, it is necessary to indicate escape routes which must remain permanently free.
Safety measures at work on electrical equipment close to the part under voltage
(1) Work on electrical equipment close to the part under tension may be carried out by a person with knowledge, 3) or by a person with higher qualifications.
(2) When working on an electrical device near a voltage-operated part, a safe distance shall be maintained. If it is not possible to keep the safe distance, the part under tension shall be protected by covers or barriers to prevent contact with the live part.
(3) Works on electrical equipment may be carried out by persons instructed:
(a) on an electrical device of up to 1000 V, while respecting a safe distance, supervised by a person for a separate activity, 4)
(b) on an electrical device above 1000 V under the supervision of a person for a separate activity.
Safety measures at work on electrical equipment under voltage
(1) Works on electrical equipment with a voltage up to 1000 V may be carried out by an expert.
(2) Works on electrical equipment with a voltage exceeding 1000 V V may be carried out by at least two persons of knowledge, at least one of whom is a person for a separate activity who is also responsible for the exercise of supervision.
(3) Works on electrical equipment under voltage under command B may be carried out
(a) for equipment over 1000 V or in its vicinity, if the distance is less than safe;
(b) for installations up to 1000 V if they are:
- common spaces of electrical equipment up to 1000 V with equipment above 1000 V,
- external wiring conductors of electrical equipment up to 1000 V in conjunction with the management over 1000 V or cross it and it can cause dangerous induced tension.
(4) Based on orders B shall also be performed on electrical equipment up to 1000 V under voltage if
(a) common spaces of electrical equipment up to 1000 V with equipment above 1000 V;
b) outdoor wiring conductors of electrical equipment up to 1000 V in conjunction with a line above 1000 V or cross it and can create dangerous induced tension.
(5) Command B is issued by an employee designated by the operator. A B command shall be issued only for one workplace and one working party supervised or supervised by a designated person on a voltage-operated electrical equipment and shall be valid for 24 hours from the start of work to ensure the workplace. For long-term works where the electrical equipment remains permanently disconnected and where no change has been made to the designated person, the B command may be issued for a longer period, but not more than one week. The validity of an order B shall end with the last act for which the order B has been issued but shall always end with the end of the period. If B commands are issued for related work for several groups, they shall be registered in one place with the designated staff member coordinating the work.
(6) Command B must contain:
(a) the order number,
(b) the date and time of its issue;
(c) the name and signature of the staff member who issued the order;
(d) the name and signature of the staff member responsible for supervision or supervision, including the date and time of receipt of the order B;
(e) the names and signatures of staff obliged to provide the workplace;
(f) the names and signatures of the members of the working group;
(g) place and type of work;
(h) the method and procedure for securing the workplace;
(i) warnings and markings of the nearest places where parts of the electrical equipment are energized.
(7) Command B must be drawn up and transmitted by a demonstrably designated employee
(a) telecommunications;
(b) personally,
(c) by a messenger.
(8) The issuing of a B command may be waived
(a) in danger of delay, in particular in the event of a threat to human life;
(b) where command B is replaced by the publication of rules on safety and health at work under the Labour Code;
(c) when verifying the hopelessness on an electrical device which is switched off but not secured.
Efficacy
This decree shall take effect on the day of its publication.
Chairman:
v. JUDr. Ing. Makarius CSc. v. r.
Director
Annex
Hazardous zone sizes and safe distances from live parts of electrical equipment
Overview of distances depending on voltage of live parts of electrical equipment
| Jmenovité napětí UN | Nejvyšší napětí UM | Vzdušné vzdálenosti D1 | Vzdušné vzdálenosti D3 | Vzdušné vzdálenosti D2 |
|---|---|---|---|---|
| kV | kV | mm | mm | mm |
| 1 | 1 | 0 | 400 | 400 |
| 3 | 3,6 | 60 | 500 | 560 |
| 6 | 7,2 | 90 | 500 | 590 |
| 10 | 12 | 120 | 500 | 620 |
| 30 | 36 | 320 | 800 | 1120 |
| 45 | 52 | 480 | 900 | 1380 |
| 110 | 123 | 1100 | 1500 | 2600 |
| 220 | 245 | 2100 | 2500 | 4600 |
| 400 | 420 | 3400 | 3600 | 7000 |
1) § 216, 225 and 244 of the Order of the Czech Mining Authority No. 22 / 1989 Coll., on safety and health at work and safety of operation in mining and mining activities in underground. § 68, 77 and 96 of the Order of the Czech Mining Authority No. 26 / 1989 Coll., on safety and health at work and safety at operation in mining and mining activities on the surface. § 34, 43 and 57 of the Order of the Czech Mining Office No. 51 / 1989 Coll., on safety and health at work and safety of operation in the treatment and processing of minerals.
2) § 4 of the Order of the Czech Office of Safety of Labour and the Czech Mining Office No. 50 / 1978 Coll., on professional competence in electrical engineering.
3) § 5 of the Order of the Czech Labour Safety and Czech Mining Office No. 50 / 1978 Coll.
4) Section 6 of the Order of the Czech Labour Safety Authority and the Czech Mining Office No. 50 / 1978 Coll.
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Regulation Information
| Citation | Decree of the Czech Mining Authority No. 202 / 1995 Coll., on the requirements to ensure the safety and health of operators and work on electrical equipment in mining and mining activities |
|---|---|
| Regulation Type | Order |
| Author | - |
| Collection | Code of Laws |
| Date of Promulgation | 25.09.1995 |
|---|---|
| Effective from | 25.09.1995 |
| Effective until | - |
| Status | Valid |
The regulation text is for informational purposes only.
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