The Cabinet of Ministers of the Republic of Latvia of 9 May 2000, in Regulation No 172 (in Riga. Nr. 22, 7. §) rules for use in potentially explosive atmospheres-use of equipment and protective systems security Issued in accordance with the law "on conformity assessment" article 7 General questions 1. terms used in the rules: 1.1.  protection system — a set of devices, which are intended to signal the risk of explosion and explosion suppression (, noslāpēšan) is in its infancy in the blast or explosion caused by pressure and to restrict the spread of flame and can be placed (incorporated) in potentially explosive atmospheres equipment produced individually or as a stand-alone operation systems;
1.2. explosive atmospheres — combustible substances, gases, vapours, aerosol or dust mixture with air, under atmospheric conditions, of flammable after incendiary, exploded throughout the volume.
2. this regulation lays down the essential requirements for use in potentially explosive atmospheres-use equipment (hereinafter equipment) and protection systems and the compliance monitoring mechanisms in the design, manufacture and conformity assessment before being offered for sale on the internal market, as presents or due to use against or without payment (hereinafter referred to as the offering for the internal market), not to create a danger to the public interest, human health, life and the environment, as well as the bodies that carry out the equipment and protective systems, monitoring the market , and the order in which to market surveillance.
3. Equipment and protective systems are: 3.1 equipment intended for use in potentially explosive atmospheres, and the relevant protection systems;
3.2. Security, control and regulating devices intended for use outside of the potentially explosive atmosphere, but are required for the equipment and protective systems in a safe transaction.
4. These provisions shall not apply to transactions with: 4.1 equipment for use in the household and in the household or in circumstances where the explosive is minimal (accidental gas leakage), if the equipment is not intended for use for commercial purposes;
4.2. medical equipment;
4.3. the equipment that caused the explosion of explosives or chemically unstable substances;
4.4. personal protective equipment;
4.5. seagoing vessels and mobile offshore structures and equipment;
4.6. passenger and freight vehicles intended for the carriage of passengers and goods by road, rail, water and air, except vehicles designed for use in potentially explosive atmospheres.
5. The Ministry of welfare, in cooperation with relevant technical standards Committee, recommends the national non-profit society with limited liability "standard" reliance standard.
6. The Ministry of welfare, submit for publication in the newspaper "Latvian journal" the Latvian national standard list that you can apply this provision essential criteria (applicable standards).
7. Equipment and protective systems shall be considered as conforming to the provisions laid down in Chapter 3 of the essential criteria of safety of equipment and protective systems in the design and manufacture (hereinafter referred to as the essential safety criteria), if made in accordance with the applicable standards concerning the scope of these provisions, and all requirements are certified with the conformity assessment procedures.
8. The Ministry of welfare is responsible for submitting proposals for the Cabinet of Ministers competent for notification of conformity assessment bodies and conformity assessment systems of protection (hereinafter referred to as the authorized institution).
9. the conformity assessment bodies to carry out conformity assessment authority, if it provides the following minimum requirements: 9.1 the institution's staff, the necessary means and equipment technical equipment;
9.2. the personnel who carry out conformity assessment, is trained and competent;
9.3. the institution's management and technical personnel in testing, reporting, and monitoring the issuance of certificates does not depend on individuals and groups associated with the equipment and protective systems;
9.4. the personnel shall respect the confidentiality of and shall not disclose trade secrets;
9.5. the civil liability of the staff.
10. This rule 9.1 and 9.2. requirements referred to regularly check the Latvian National Accreditation Bureau, which is assessed by a notified body.
11. in designing the equipment and protective systems, the manufacturer shall follow the criteria of safety explosion prevention: 11.1. equipment — to the acting cause potentially explosive environment; 11.2. subject to the premises any electrical or non-electrical ignition source properties.
12. Equipment and protective systems design and manufactured by detailed analysis of possible faults and special subject for inspection and servicing conditions so that they could work under the intended conditions.
2. classification and grading Equipment criteria 13. Equipment depending on their usage are classified into groups that determine safe technological operating conditions, and categories, which describe them as certain protection levels.
14. Depending on the explosive environment is provided for the following groups of equipment: 14.1. first (I) Group: equipment intended for use in underground mines (mines) and above ground, where possible of mine gas or combustible dust presence;
14.2. the second (II) Group: equipment intended for use in explosive or possible explosive atmospheres (except in underground mines (mines) and above ground, where possible of mine gas or combustible dust presence).
15. Depending on the level of protection under the proposed conditions of use (I) the first group divided into M1 and M2 of the equipment category, but the second (II) Group — 1, 2, and 3. category.
2.1. Group I equipment 16. Category M1:16.1. is intended for use in underground mines (mines), as well as to the school, which has the potential of mine gas or combustible dust retention;
16.2. is designed and equipped with the necessary special protection system according to the manufacturer's operational parameters, ensuring a very high level of protection;
16.3. ability to operate in potentially explosive atmospheres, even if damaged, and have a double protection system to ensure the required level of protection: 16.3.1. If not running in one system of protection (protection from other independent protection systems);
16.3.2. If at the same time takes two from one another regardless of damage;
16.4. are designed according to the rules set out in paragraph 61 of the papildprasīb.
17. Category M2:17.1. are designed and made according to the manufacturer's operational parameters, ensuring a high level of protection;
17.2. is intended for use in underground mines (mines), as well as to the school, where possible of mine gas or combustible dust retention;
17.3. are made so as to be able to turn them off;
17.4. is provided with the required protection level protection system in normal as well as the extreme conditions that result from incorrect operation of the equipment or the environment surrounding the Exchange;
17.5. is designed according to the rules set out in paragraph 62 of the papildprasīb.
2.2. equipment group II, category 1 equipment 18:18.1. has designed and developed according to the manufacturer's operational parameters, ensuring a very high level of protection;
18.2. is designed to be used in places where a permanent, persistent or repeated formation of gases, vapours, mists or dusts in explosive concentrations;
18.3. the ability to run even if damaged, and have a double protection system to ensure the required level of protection: 18.3.1. If not running one system of protection (protection from other independent protection systems);
18.3.2. when happens at one of the other two independent damage;
18.4. are designed according to the rules set out in point 63. papildprasīb.
19. The second category of equipment: 19.1. are designed and made according to the manufacturer's specified operating parameters to ensure a high level of protection;
19.2. is designed for use in gas, vapour, mist or dust may create explosive concentrations;
19.3. ensure the requisite level of protection, if often repeated malfunctions or is simply damage;
19.4. these rules also provide 64. additional requirements set out in paragraph 1.
20. The third category of equipment: 20.1. is designed and manufactured according to the manufacturer's operational parameters, ensuring a sufficient level of protection;
20.2. is designed to be used in areas where gases, vapours, mist or dust explosive concentration is small or its creation possible only temporarily or in rare cases;
20.3. provides the necessary level of protection only during normal operation;
20.4. This provision also provides 65 additional requirements set out in paragraph.

3. The essential safety criteria for the equipment and protective systems in the design and manufacture of 3.1. choice of materials, equipment and protective systems 21. Equipment and protective systems materials are chosen with the intended load of predictable work environment, they do not trigger an explosion.
22. Equipment and protective systems materials used and potentially explosive environment emerging component (particles) can cause chemical reactions, which could weaken the protection against explosions.
23. the manufacturer provides equipment and protection systems, security against foreseeable changes in the characteristics of the materials to make contact with other materials do not reduce the required protection against explosions, the subject material corrosion characteristics, wear, elektrovadāmīb, impact strength, ageing and changing temperatures.
3.2 design and manufacture complied with 24 producer of equipment and protective systems in a safe technology criteria concerning protection against explosions throughout the expected life.
25. the accessories intended for fitting equipment and protective systems or component replacement, according to the manufacturer's instructions to ensure security and protection against explosions.
26. For protection against leakage: 26.1. equipment, possible gas or combustible dust, the manufacturer uses closed (sealed) construction;
26.2. equipment that is open or dense connections, the manufacturer shall establish so that equipment developed out of gas or dust do not cause potentially explosive environment equipment outside;
26.3. equipment manufacturer creates it to filling or emptying time limited combustible substances by filling or emptying.
27. Equipment and protective systems where surfaces accumulated dust can flare up, designed to: 27.1. surface easy to clean up and build-up of dust on them would be minimised;
27.2. surface warming temperature is significantly lower than the accumulated dust in the flash-point;
27.3. might take steps to lower the temperature on the surface, if necessary to prevent accumulated dust of warming.
28. the equipment may be subject to possible overloads, provides additional protection.
29. equipment and protective systems which provide the skin sprādzienaizsardzīb, designed in such a way that their removal is possible only with special instruments.
30. protection against other risk factors in equipment shall be such that: 30.1. direct or indirect contact does not cause mechanical or other forms of trauma;
30.2. the open parts of the equipment protected against heat or radiation radiation;
30.3. the electrical nature of the dangerous factors (known from experience) does not create a risk of explosion;
18.9. foreseeable conditions of overload and would avoid dangerous situations.
31. the design phase with the manufacturer of measuring, regulation and control devices (for example, the maximum power switches, temperature limiters, differential pressure switches, flow meters, during relays, overspeed monitors) prevents dangerous machine overload.
32. Sealed system unsafe parts, which can lead to a potentially explosive environment or a fire in a closed room, designed to ensure the internal explosion pressure resistance and prevent explosion transition outside the area.
3.3. Potential ignition sources 33. Equipment and protective systems are not permitted a variety of ignition sources (e.g., sparks, flames, electric arcs, high surface temperatures, acoustic energy, optical radiation, electromagnetic waves).
34. equipment of static charge prevents the appropriate electrostatic protection systems for electrical discharge does not cause a fire or explosion.
35. the power of the machine is not permitted in the managing wandering and leakage currents that can cause corrosion or fire from sparks or overheating of the surface.
36. the manufacturer of the equipment design phase eliminates the possible causes of overheating of the equipment, which can cause friction or impact between materials and parts in contact with each other, if you rotate or entering the object.
37. the manufacturer of the pressure compensation process prevents the occurrence of blast or fire with measuring, control and regulation devices that included equipment and protection systems.
38. the external effect Equipment risk factor prevention provides: 38.1. sufficient level of protection, even changing environmental conditions (currents, humidity, vibration, pollution and other external factors of exposure) to perform the functions of the equipment;
38.2. the design of the part of the resistance against the calculated mechanical and termiskaj loads, as well as the possible chemical reactions.
3.4. Equipment accessories 39. Operation of the installation is independent of measurement or control devices.
40. the equipment accessories ensure fast enough damage detection of security devices, to reduce to a minimum the possibility of dangerous situations.
41. control equipment and displays the manufacturer established in accordance with the principles of ergonomics and provides the highest level of security against the risk of explosion.
42. Electrical protection ensured by applying primarily duplicate protection principles.
43. the safety switch on the device is direct, without a programmed management mediation.
44. Emergency stop devices shall be fitted with restart lockouts on-line (outs) to power on again would be possible only after a specific blocker return the starting position.
45. The measuring equipment shall be designed and manufactured in such a way that: they could run 45. intended and also special (extreme) operating conditions;
45.2. the measurements needed to ensure accurate operation of equipment supplies.
46. in the Design of the safety factor, measuring equipment, installation conditions and possible deviations in the measuring system, which ensure timely alarm actuation, to have the opportunity to prevent the risk of explosion.
47. Equipment and protective systems which are managed by computer, on the project, paying particular attention to the risk that could arise from errors in software.
3.5. Protection system 48. unforeseen changes in operating conditions and for emergency situations arise, protection system ensures the automatic mode functioning the machine safe off with manual control, provided that this does not reduce the safety of the equipment.
49. The emergency shutdown system provides fast and secure as possible for the removal of accumulated energy (dissipation) or isolation to prevent explosion risks (this condition does not apply to electrochemically stored energy).
50. the protection system is secure even if the power supply is disrupted, and prevent further occurrence of risk factors regardless of the overall security system equipment.
51. Installation shall be provided with suitable connections cables and Sockets.
52. the manufacturer shall provide the protection system interconnection security.
53. protection systems are fitted with detection or alarm devices designed for explosive emergence of environmental control. Accompanied by the necessary instructions to ensure proper installation of the devices and the placement of suitable locations.
3.6. Additional requirements for the design and manufacture of equipment 54. Category M1 equipment group I: 54.1. designed and built in such a way as to prevent ignition sources, even if the equipment has the damage;
54.2. designed and fitted with double protection to ensure the necessary level of protection: 54.2.1. If one protection feature does not work (protection from other independent means of protection);
If two 54.2.2. from each other whatever damage;
54.3. supply (if necessary) with additional protection systems to ensure their operation in potentially explosive atmospheres;
54.4. designed and manufactured so as to prevent the entry of dust;
54.5. designed and built in such a way that the surface temperature of the equipment would be significantly lower than the possible air/dust mixtures the flash point and prevent the ignition of suspended dust;
54.6. designs and manufactures its equipment parts which might be sources of ignition, could open when the machine is turned off or complete safety. If it is not possible to turn off the equipment, the manufacturer, to open parts of the equipment be affixed to the appropriate warning;
54.7. supply (if necessary) with an additional locking system.
55. Group I equipment of category M2:55.1. equipped with protection systems, which eliminates the possibility of ignition under normal installation, as well as the extreme conditions that may occur during the installation of the wrong operation or due to a change in environmental conditions;
55.2. provided with protective equipment to ensure that the installation of automatic disconnection of the power supply source, if built up an explosive atmosphere;

55.3. designed and built in such a way that the equipment parts which might be sources of ignition, could open when the machine is turned off or complete safety. If it is not possible to turn off the equipment, the manufacturer, to open parts of the equipment be affixed to the appropriate warning;
55.4. protects against air/dust mixtures explode due to the application of the requirements for category M1 are defined.
56. Group II category 1 equipment for use in gas, vapour or mist arising from explosive atmospheres: 56.1. against fire, if the equipment is damaged;
56.2. designed and fitted with double protection system to ensure the required level of protection: 56.2.1. If not running one system of protection (protection from its other independent protection system);
56.2.2. If at the same time takes two from one another regardless of damage;
56.3. ensure against surface overheating (temperature exceeding the maximum), even in the most unfavourable operating conditions;
56.4. protects against the increase in temperature caused by the release of heat and chemical reactions;
56.5. designs and manufactures its equipment parts which might be sources of ignition, could open when the machine is turned off or complete safety, and at the opening of part of the equipment shall affix an appropriate warning;
56.6. supply (if necessary) with an additional locking system.
57. Group II category 1 equipment for use in explosive atmospheres caused by dust conditions: 57.1. designed and built in such a way that air/dust mixtures the ignition would not be possible, even if the equipment has the damage;
57.2. designed and fitted with double protection system to ensure the required level of protection: 57.2.1. If not running one system of protection (protection from its other independent protection system);
57.2.2. If going on one of the other two independent damage;
57.3. designed and manufactured so as to ensure the dust from entering the equipment or protective system or escaping from it only to the places provided for this purpose. This requirement also applies to cable input and connection points;
57.4. designed and built in such a way that the surface temperature of the equipment would be significantly lower than the possible air/dust mixtures the flash point and prevent the ignition of suspended dust, as well as to parts of the installation opening a safe.
58. the Group II category 2 equipment, intended for gases, vapours or mists generated by explosive atmospheres: 58.1. designed and manufactured so as to avoid ignition sources, even if the equipment often malfunctions;
58.2. designed and built in such a way that its surface temperature does not exceed the limits of even high risk situations;
58.3. designed and built in such a way that the equipment parts which might be sources of ignition, could open when the machine is off or protected with an appropriate locking system, and at the opening of part of the equipment shall affix an appropriate warning;
58.4. designed and manufactured so as to prevent dust and fire, the mixture just right damage to the well or if equipment often malfunctions as well as subject to this provision and in 57.3.57.4.
59. Group II category 3 equipment intended for a gas, vapour or fog effect possible explosive atmospheres: 59.1. designed and built in such a way that the equipment during normal operation the environment avoid potential ignition sources;
59.2. designed and built in such a way that its surface temperature does not exceed the allowable limits for the operating conditions;
59.3. designed and built in such a way that the equipment during normal operation possible ignition sources will not cause explosive dust concentration mixture ignition;
59.4. designed and manufactured, the surface temperature of the equipment application of this rule 57.4. the requirements set out in subparagraph;
59.5. made it to the protection system cable inlet and connection sites dust particles out of the equipment or protective system inside, not accrued there and create explosive concentrations.
3.7. Additional requirements for the protection system for the design and manufacture of 60. Protection system functional location reduces potential exposure to explosion in a sufficient level of security.
61. the protection system shall be designed and located so as to be able to stop the explosion in its infancy, preventing a dangerous chain reaction, or detonation of an outbreak.
62. If the energy supply is interrupted, the protection system keeps working long enough to avoid a potentially explosive situations.
63. Protection systems are secured against external effects and its influence must not lose their functional integrity.
64. in the course of choosing the design protection systems in structures, materials, take into account the maximum pressure and temperature effects that extreme circumstances trigger explosion case may act on the part of the constructive materials.
65. the protection systems, which are designed to withstand the blast of pressure equipment and explosion, the blast must not lose uptime.
66. the accessories that are attached to the protective systems withstand the maximum explosion pressure without losing integrity.
67. The design of the protection system, take into account the explosion of pressure generated in the reaction of perifērijiekārt and pipelines.
68. The explosion pressure load reduction devices shall be so designed that the protection systems are not exceeded the strength of the protection structure.
69. the protection system shall be so designed that, in the light of the maximum explosion pressure increase and the maximum explosion pressure, they ensure effective interdiction and be able to respond to the effects of the explosion, stopping or masking the it in its infancy.
70. Protection systems designed for specific equipment for fast to unlock the explosion in its infancy, so designed as to be safe against the internal transmission and outbreaks, making job functions, save the breaking strength.
71. Protection system uses the alarm that warns about the need to stop or disable the operation of the equipment parts that are no longer able to operate safely.
4. equipment and protective systems of conformity assessment procedures carried out in the following 72. Equipment for conformity assessment procedures: 72.1. first (I) category M1 of the Group and (II) the second group category 1 equipment: type-examination in accordance with the provisions of subsection 4.2 (module B) as well as one of the following procedures: 72.1.1. production quality assurance in accordance with the provisions of subsection 4.4 (module D);
72.1.2. verification in accordance with the provisions of subsection 4.6 (module F);
72.2. (I) the first group of category M2 and (II) the second group category 2 electrical equipment and internal combustion engine-type examination under this rule 4.2. subheading (module B) as well as one of the following procedures: 72.2.1. Declaration of conformity to type in accordance with the provisions of subsection 4.3 (module C);
72.2.2. equipment quality assurance in accordance with the provisions of this subchapter 4.5 (module E);
72.3. (I) the first group of category M2 and (II) the second group category 2 equipment except electrical and internal combustion engines, the manufacturer's internal controls in accordance with subsection 4.1 (module A). Technical documentation of equipment approved by the authorized institution;
72.4. (II) the second group to category 3 — internal control by the manufacturer in accordance with subsection 4.1 (module A);
72.5. (I) and (II) the second group of equipment and protective systems — unit verification in accordance with the provisions of subsection 4.7 (module G).
73. Autonomous protective systems (systems that are not dependent on external sources of energy) and separate part of conformity assessment applicable this provision subparagraph 72.1.
74. The technical documentation shall be submitted by the manufacturer to the notified body, include the following information: 74.1. the equipment or protective system General description;
74.2. Overview and detailed drawings, and a separate block of drawings, charts, and diagrams;
46.2. This provision 72. the procedure laid down in paragraph descriptions and explanations to understand the equipment or protective system;
74.4. full or partial list of standards applied, as well as a description of the technical solution to ensure compliance with the essential safety criteria, if applicable standards are not used;
46.3. the test report;
74.6. established by the manufacturer of the equipment or protective system mounting, operating and maintenance instructions;
74.7 at. together with the equipment or protective system of accessories to use calibration documents;
46.5. the equipment or protective system for the management and monitoring of documentation;
74.9. other information that can improve the equipment or protective system of conformity assessment.

75. The equipment or protective system accessory the manufacturer will follow that rule in paragraph 72 and 73, as well as draw up a declaration of conformity, that accompany the accessories of equipment technical documentation concerning their characteristics and explanations as appropriate accessories insert (installed) or assembled.
76. A manufacturer or its authorized dealer will draw up a declaration of conformity of the equipment, protective systems or accessories for compliance with the requirements of this regulation, which shall provide the following information: 76.1. manufacturer or its authorized reseller name and address;
76.2. the equipment, protective systems or accessories;
76.3. activities carried out to test the equipment, protective systems or accessories compliance with the requirements of this regulation;
76.4. it authorities authorised name, identification number and address, which carried out the inspection, as well as the type in the type-examination certificates issued number;
76.5. these technical solutions which fit to comply with relevant security criteria, if there are no applicable standards used;
47.6. the reference to the regulations, which set out the relevant requirements are met;
47.7. name of manufacturer or its authorised dealer name and title, who signed the Declaration of conformity and is empowered to enter into commitments.
77. The internal market shall be offered to the relevant conformity assessment procedures of equipment and protective systems, write technical documentation in the national language.
4.1. The manufacturer's internal control (module A) 78. manufacturer's internal control is the conformity assessment procedure whereby the manufacturer, or his authorised distributor ensures and declares the equipment to comply with the requirements of this regulation, in drawing up the Declaration of conformity and the marking of the equipment with the CE marking of conformity.
79. the technical documentation and Declaration of conformity is kept by the manufacturer or his authorized distributor. If the manufacturer or his authorized distributor is not fixed on the technical documentation is the responsibility of the person offering the equipment in the internal market.
80. The technical documentation shall include the following: 80.1. General description of the equipment;
80.2. conceptual design and manufacturing drawings;
49.9. components, sub-assemblies, circuits, etc., the connecting schemes;
80.4. drawings, diagrams and equipment descriptions and explanation;
80.5. full or partial list of standards applied, or, if the standards are not applied, the rules laid down in Chapter 3 of the essential criteria of the security solution used descriptions;
50.1. the project and test results;
80.7. reports on the tests carried out.
4.2. Type examination (module B) 81. This module applies only to equipment and protective systems in the design stage, to be applied in conjunction with any of the modules, (C), (D), (E) or (F), relating to the production stages and do not apply separately.
82. in order to carry out the type-examination, the manufacturer, or his authorized distributor chooses authorized institution and submit the application to which you added this provision set out in paragraph 84 of the technical documentation.
83. Implementation of the programme of tests required, the applicant shall forward to the notified body in the conduct of the test apparatus, to assess compliance with a given type. The notified body shall be entitled to require in addition from the manufacturer or its authorized reseller yet another equipment of this type.
84. Equipment and protective systems, the technical documentation shall include the following: 84.1. a general description of the equipment;
52.3. drawings of the construction and manufacturing;
84.3. components, sub-assemblies, circuits, etc., the connecting schemes;
84.4. drawings, diagrams and equipment descriptions and explanation;
84.5. in full or in part, a list of standards applied, or, if the standards are not applied, a description of the solution used to comply with the rules laid down in Chapter 3 of the security criteria;
84.6. design calculations and of the inspections carried out;
84.7. reports on the tests carried out.
85. the notified institution: 85.1. examine the technical documentation and make sure that the equipment is submitted to it, and made corresponding determines which elements of production are developed according to the requirements of applicable standards and production elements comply with the requirements of this standard;
85.2. check the technical specifications used by the manufacturer in compliance with the rules laid down in Chapter 3 of the essential safety criteria, if the manufacturer does not use any or only partially used the applicable standards or the standards are not developed;
85.3. in carrying out the appropriate inspections and the tests necessary to verify that the manufacturer is using the applicable standards;
85.4. agree with the applicant the location where the tests will be carried out and the necessary tests.
86. If the equipment or protective system complies with the requirements of this regulation, an authorized institution shall issue a type-examination certificate.
87. the type-examination certificate to the manufacturer, or its authorised distributor will add the appropriate technical descriptions, diagrams and drawings necessary for identification of the certified sample.
88. a copy of the type-examination certificate as well as the rules referred to in paragraph 90 receipt copy stored in an authorized institution.
89. If the notified institution justified reasons refused to issue or revoke a type-examination certificate shall so inform the manufacturer or the manufacturer's authorized distributor, the market surveillance authorities and the other notified bodies, together with the reasons for the decision taken.
90. The manufacturer, or its authorised Distributor, the authorised institution which issued the type-examination certificate shall inform the authority of any modifications to the type certified, which may affect the conformity with the essential safety criteria, and receive additional approval from the notified body which issued the type-examination certificate. The additional proofs are presented as an annex to the type-examination certificate.
91. The other notified bodies of the manufacturer or its authorized reseller is entitled to request and receive copies of the type-examination certificate and attachments. Type-examination certificate shall also be stored in the annex attached to the other notified bodies.
4.3. the Declaration of conformity to type (module C) 92. equipment and protective systems Declaration of conformity to type is the procedure whereby the manufacturer declares that the equipment or protective system complies with the type described in the type examination certificate and the rules laid down in Chapter 3 of the essential safety criteria.
93. the manufacturer shall take all the necessary measures in order that the manufacturing process, including final product inspection and testing, provide equipment and protection systems, and compliance with the homogeneity of the certified type and the requirements of these regulations.
94. unless the person responsible for the equipment or protective system storage technical documentation is the responsibility of the person offering the goods within the internal market.
95. the manufacturer shall provide the conditions to the notified body may carry out tests of equipment and protective systems made units for protection against explosions.
4.4. Production quality assurance (module D) 96. Production quality assurance is the procedure whereby the manufacturer declares that the quality system shall ensure compliance of the equipment type tests the type as described in the certificate and in conformity with the requirements of these provisions.
97. in order to ensure the quality of production, the manufacturer applies the approved quality of production, final equipment inspection and testing systems, which evaluate and monitor the authorised institution.
98. For certification of production quality system, the manufacturer, or its authorised distributors chooses one authorized quality system assessment body and submitted to the application of the equipment production quality system evaluation.
99. the application shall be accompanied by the invaluable equipment documentation relating to the quality system and the rules referred to in paragraph 84 of the technical documentation of the approved type and a copy of the type-examination certificate.
100. the quality system shall ensure compliance of the manufactured equipment in the series of the type-examination certificate and the approved rules laid down in Chapter 3 of the essential safety criteria.
101. the manufacturer shall develop all elements of the quality system requirements and conditions and systematic and sequential writing them as quality system shall be documented policies, procedures and instructions.
102. the documentation of the quality system is based on continuous quality assurance programme, plans, rules, explanation of the register, as well as information about the: 102.1. the quality system of the manufacturer of the objectives and the organisational structure, responsibilities, powers of the driver and the responsibility to ensure the quality of the equipment;
102.2. production, quality monitoring, quality assurance techniques, processes and systematic actions;
102.3. the examinations and tests carried out before and after production and the frequency of the production stage;
102.4. registers the quality system, such as: 102.4.1. test and calibration results;
102.4.2. inspection reports;
102.4.3. personnel qualifications;
102.5. control features to ensure equipment and protection systems for the required quality and the effective operation of the quality system.

103. the notified body shall assess the quality system adopted by the manufacturer to see if it complies with this provision and paragraph 101.102 and the applicable standards. Evaluate the quality system to the manufacturing plant sent checks (audit) group, which is made up of at least one competent expert in the equipment and/or protective systems manufacturing technology concerned.
104. If a production quality system meets these requirements, the notified body shall issue a manufacturer production quality certificate. Certificate kept by the manufacturer or its authorized reseller.
105. the manufacturer completes the certified quality system requirements, as well as ensure the conditions for the production of appropriate and effective operation of the future.
106. The manufacturer, or its authorised dealer shall inform the notified body which is certified by the quality system, of any upgrades or changes what it intends to do in certified quality system.
107. the notified body shall examine and decide if the manufacturer changes meet approved quality system requirements or they need re-evaluation.
108. the notified institution: 108.1. monitor, or the manufacturer of the Executive responsibilities associated with the approved quality system;
108.2. to make sure that the manufacturer maintains and applies the quality system, the manufacturer of the monitored through regular inspections and issuing statements to the manufacturer for inspection (audit);
108.3. is entitled to make unexpected, unannounced inspection by the manufacturer;
108.4. If necessary, make the testing of the equipment, or request them to be carried out in order to verify the correct functioning of the quality system.
109. it is the responsibility of the manufacturer: notified body 109.1. providing the opportunity, by inspection, have free access to all the production, testing and storage premises;
109.2. to provide all the necessary information on the quality system put at the disposal of the notified body for checking the quality system documentation, inspections (audit) reports, test and calibration data, report on qualifications of the staff.
4.5. Equipment quality assurance (module E) 110. Equipment quality assurance is the procedure whereby the manufacturer declares that the equipment or protective system complies with the type described in the type examination certificate and the requirements of this regulation.
111. in order to ensure the quality of the equipment produced, the manufacturer shall carry out the final inspection and testing procedures under an approved quality system for the monitoring of notified bodies.
112. The equipment or protective system production quality system conformity (certification) the manufacturer chooses to submit to the authorised institutions and the application, which shall include: all the concerned 112.1. information on equipment, supplies, and protection system;
112.2. certified type-technical documentation and a copy of the inspection certificate;
112.3. news about the measurable categories of equipment and protective systems for quality assurance.
113. in order to determine whether the equipment or protective system is laid down in these provisions comply with the safety requirements, quality system is checked every machine or its testing according to the requirements of the applicable standards.
114. the laws and regulations which apply to the machinery and accessories which are applied by the manufacturer, systematically documented as procedures, measures and written instructions.
115. the quality system documentation consists of a sequential program, quality plans, and register the rules explanation. Documentation shall include descriptions of: 115.1. quality system objectives and the organisational structure, responsibilities, powers of the management and accountability of the produced equipment and protection systems for quality assurance;
115.2. checks and tests which admit of the product after its manufacture;
115.3. the monitoring of the effectiveness of the quality system;
115.4. quality system test, tests of materials and personnel qualifications (certificates).
116. the notified body shall assess the quality system established by the manufacturer and determine whether it complies with this provision and paragraph 101.102 and the applicable standards. Examination (audit) the Group shall include at least one expert in the production of the product technology concerned.
117. the manufacturer complies with the certified quality system notified bodies, as well as ensure the conditions for the production of appropriate and effective operation of the future.
118. the manufacturer, or his authorized dealer shall inform the notified body that has approved the quality system informed of any changes it intends to make in certified quality system.
119. the notified body shall examine and decide whether the manufacturer for updates and/or changes to meet the certified quality system requirements or they need re-evaluation.
120. the opinion of the inspection and of the decisions taken by the notified body shall inform the manufacturer.
121. it is the responsibility of the manufacturer: notified body 121.1. provide the opportunity to make sure that the manufacturer duly fulfils the obligations arising from the approved quality system;
121.2. the notified body must provide the opportunity, by inspection, have free access to the production, testing and storage premises;
121.3. to provide all the necessary information on the quality system put at the disposal of the notified body for checking the quality system documentation, reports of inspections carried out, test and calibration data, report on qualifications of the staff.
122. in order to make sure that the manufacturer maintains and applies the quality system, the notified body shall carry out periodical checks and issued by the manufacturer reports on the results of those checks.
123. the notified institution: 123.1. monitor, or the manufacturer of the Executive responsibilities associated with the approved quality system;
123.2. monitor, or the manufacturer maintains and applies the quality system, regular checks and shall issue to the manufacturer reports on the results of those checks;
123.3. be entitled to make unexpected, unannounced inspection by the manufacturer;
123.4. If necessary, carry out product testing or requiring them to verify the correct functioning of the quality system;
123.5. test reports issued by the manufacturer and, if a test has taken place, and the test reports.
4.6. verification (module F) 124. Verification is the procedure whereby a notified body checks and approved (certified) of equipment and protective systems in compliance with the requirements of this regulation. This module applies only to equipment and protective systems in the production stage, and this, together with the applicable type-checking.
125. the manufacturer shall take necessary measures to guarantee the production of equipment and protective systems in compliance with the type-examination certificate and to the type described in section 3 of these regulations contains the relevant security criteria.
126. The manufacturer shall check the individual equipment or protective system and carry out testing of the unit in accordance with the applicable standards or take appropriate tests as necessary to determine whether equipment meets the type-examination certificate and to the type described in section 3 of these regulations contains the relevant security criteria.
127. the manufacturer or his authorised dealer obtains the test reports of the received certificate of conformity specific match. Test reports, stored and presented to the notified authorities at their request.
4.7. the unit verification (module G) 128. Unit verification applies to equipment and protective systems in the design and production, and it is used for individual, personal equipment and protection systems in production or the production of small series.
129. the notified body shall examine the individual equipment or protective system and carry out testing of the unit in accordance with the applicable standards or take appropriate tests as necessary to determine that the manufacturer applied technical solutions meeting the requirements of this regulation.
130. the technical documentation shall include: 130.1. equipment and protective systems General description;
130.2. the conceptual design and manufacturing drawings;
130.3. components, sub-assemblies, circuits, etc., the connecting schemes;
130.4. drawings, diagrams and equipment or protective systems descriptions and explanation;
130.5. in full or in part, a list of the standards applied or it solutions that fit the description in order to comply with the rules laid down in Chapter 3 of the security criteria;
130.6. project and test results;
130.7. an overview of the tests carried out.
5. Equipment and protective systems, labelling the CE marking the manufacturer 131 highlights each of equipment and protective systems with CE marking (annex). Markings must be clearly visible, legible and indelible before equipment or protective system and its use.

132. If the equipment or protective system security requirements defined in other laws and regulations, the manufacturer highlights each of the equipment or protective system with CE marking, certifying that all relevant legislation is respected.
133. the CE marking shall be accompanied by the identification number of the notified body that has issued the certificate of compliance (certificate) on the equipment or protective system of conformity to type requirements of these provisions.
134. On the equipment or protective system, its packaging or accompanying documents must not be placed in the marking, which may be confused with the CE marking.
135. The CE marking shall be in proportion to the size of the increase or decrease.
136. The two components of the CE marking must have the same vertical dimensions, which may not be less than five millimeters (minimum height may exceptionally be waived by highlighting the small equipment, protective systems or accessories).
137. Group II equipment the CE marking shall be accompanied by: 137.1. the letter "G", if the explosion is caused by gases, vapours or mists;
137.2. the letter "D", if the potentially explosive environment produces dust;
137.3. the information required for safe use.
6.138. Market surveillance of equipment and protective systems market supervision of consumer protection Center and the State Labour Inspectorate.
139. Equipment and protective systems, the market has to offer, you need the following information: 139.1. manufacturer's instruction in the language of the country;
139.2. indication of danger zones in front of the safety valve;
139.3. training manual (if necessary);
139.4. information on the electrical and pressure parameters, maximum surface temperature and other restrictive measures;
139.5. special conditions for the use of the correct descriptions.
140. Equipment and protective systems, the manufacturer and its authorized distributors shall keep the technical documentation and Declaration of conformity so that market surveillance authority referred to in the documentation would be available for at least 10 years after the last equipment or protective system was manufactured.
141. where the market surveillance authorities find that the equipment or protective system does not meet the requirements of these provisions and the manufacturer does not conform, the market surveillance authorities shall take all appropriate legislative measures provided for by the legislation, to prevent the equipment or protective system offering for the internal market and trade.
142. This provision is non-compliant equipment and protective systems presentation (advertising) fairs, exhibitions and similar events are permissible, if equipment and protective systems are added to the clear indication that they are not to be used until being purchased or the manufacturer, or its authorised reseller has not provided the equipment and protective systems in compliance with the requirements of this regulation.
143. where the market surveillance authorities find that the installation and/or protection system with the CE mark is correctly used for the intended purpose and still pose a threat to public interest, public health, life or the environment, the placing on the market and use of the forbidden. The information is sent to the equipment or protective system the manufacturer or importer.
144. In foreign countries issued equipment and protection systems of conformity assessment certificates and approvals in Latvia recognises laws.
145. Where equipment or protective system manufacturer or its authorized distributor is not registered in Latvia, for compliance with these rules is the responsibility of the equipment or protective system to the importer.
7. The final issue 146. rules shall enter into force on July 1, 2003.
 
Prime Minister a. Smith Welfare Minister a. Požarnov annex cabinet may 9, 2000 regulations No 172 CE marking the CE marking consists of the capital letters ' CE '. A sample of the label is as follows: Minister of Welfare in Požarnov (A).