Cabinet of Ministers Regulations No. 336 Riga, June 25, 2003 (pr. No 37, § 22) rules for use in potentially explosive atmospheres equipment and protective systems Issued under the law "on conformity assessment" article 7 General questions 1. establishes the essential requirements for equipment and protective systems intended for use in potentially explosive atmospheres, and this compliance monitoring mechanisms in the design, manufacture and conformity assessment before they are offered in the internal market — sold, donated or transferred for use against or without payment: as well as market surveillance.
2. under the terms of this Machine are machines, apparatus, fixed or mobile devices, control components and associated features and detector system or protective systems which, separately or jointly, are intended for processing of materials for energy production, transmission, storage, measurement, control and conversion, and which can lead to the explosion of their potential ignition sources. Protective systems is 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 limit the spread of flame and can be placed (incorporated) in potentially explosive atmospheres equipment or produced separately as independent operating systems.
3. the rules do not apply to: 3.1 installations which use household and household or in circumstances where the explosive is minimal (accidental gas leakage), if the equipment is not intended to be used for industrial purposes;
3.2. medical equipment intended for use (equipment, protective systems and devices in accordance with the equipment group and category and with all the information provided by the manufacturer which is required for the equipment, protective systems, and devices for safe operation) treatment;
3.3. installations with risk of explosion causes explosive or chemically unstable substances;
3.4 personal protective equipment;
3.5. seagoing vessels and mobile offshore structures and equipment;
3.6. 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 (the environment in which there can arise a flammable, highly flammable or extremely flammable substances or products (hereinafter referred to as flammable substances) — gas, vapour, mist or dust mixture with air, which under normal conditions after the incendiary flare up throughout its volume capacity causing an explosion (the explosion));
3.7. National armed forces-hand arms, munitions and war material.
4. The Ministry of welfare recommends for a nonprofit organization, the national society with limited liability "standard" reliance standard.
5. Non-profit public limited liability company "Latvian standards" submit for publication in the newspaper "journal," the Latvian National Standard status in the European harmonized standards adapted a list of applicable this provision essential requirements (applicable standards).
6. Equipment and protective systems shall be considered as conforming to the provisions laid down in Chapter 3 of the essential safety requirements for equipment and protective systems in the design and manufacture (hereinafter referred to as the essential safety requirements), if made in accordance with the standards laid down in the applicable essential requirements that apply to the specific equipment or protective systems and all requirements are certified with the conformity assessment procedures.
7. The Ministry of welfare is responsible for submitting proposals for the Cabinet of Ministers competent for the accreditation of conformity assessment bodies and conformity assessment of protective systems (hereinafter referred to as the authorized institution).
8. the conformity assessment bodies to carry out conformity assessment authority, if it provides the following minimum requirements: 8.1 authorized body, its Director and the staff responsible for the conformity assessment and attestation procedures, test equipment, no protective systems or devices (security, control and regulating devices intended for use outside of the potentially explosive atmosphere, but are necessary for the provision of equipment and protective systems against the risk of explosion) Designer, manufacturer, supplier or installer as well as not representing the Organization, carrying out any of the following (this prohibition does not preclude the possibility of exchanges of technical information between the equipment, protective systems or devices to the manufacturer and the body);
8.2. the notified body, its Director and the staff responsible for the conformity assessment and attestation procedures, is not participating in the equipment, protective systems or devices in the design, manufacture, marketing or maintenance, as well as not representing the Organization, carrying out any of the following (this prohibition does not preclude the possibility of exchanges of technical information between the equipment, protective systems or devices to the manufacturer and the body);
8.3. the notified body and its staff shall carry out the assessment and certification of professional integrity and technical competence. They are free from any influences (especially financial) that may affect the decision, or the results of the inspection, especially with regard to persons or organizations that are important to the evaluation results;
5.2. the notified body shall have at its disposal the appropriate personnel and technical equipment technical and administrative tasks connected with inspection and surveillance procedures;
5.3. the notified body of the staff responsible for the checks is: 8.5.1. appropriate technical and professional background;
8.5.2. sufficient knowledge of inspection procedures and experience in the performance of this procedure;
8.5.3. the skills of technical notes, reports and presentation of certificates;
8.6. the institution is to insure civil liability the activities it authorized to perform;
5.4. the notified body shall ensure the impartiality of the staff and that staff remuneration does not depend on the amount of the checks or tests and results;

8.8. the notified body shall respect the privacy and the staff shall not disclose information which it won, by inspection, except for the information that is provided to the national supervisory and control bodies in accordance with the laws and take the equipment and protective systems for monitoring and control.
9. Latvian National Accreditation Bureau, which is assessed by a notified body, regularly check that the requirements referred to in paragraph 8.
10. Equipment and protective systems designed and manufactured by the possible faults of the detailed analysis, to avoid a dangerous situation. Take into account any possible misuse.
11. Equipment and protective systems subject to special checking and maintenance conditions, designed and made in the light of these conditions.
12. Equipment and protective systems must be designed and made so as to be operational under actual or foreseeable environmental conditions.
13. Equipment and protective systems, the manufacturer, his authorized representative or the importer shall prepare and issue the user instructions of the equipment and protective systems which contains at least the following information: 13.1. marking of the equipment or protective systems in the news summary (excluding this provision referred to 149.4. serial number) together with any relevant information to facilitate maintenance (e.g. addresses of the importer and repairer);
13.2. requirements for the safe use, use, Assembly, disassembly, maintenance (routine and unexpected maintenance), installation and adjustment;
13.3. If necessary, a reference to the explosion of pressure load reduction devices in danger zones;
13.4. If required, details of training;
13.5. sufficient detail, which allows you to determine whether a particular category of equipment or protective systems can be safely used in the space provided and foreseeable conditions;
8.5. electrical and pressure parameters, maximum surface temperature and other restrictive values;
8.5. If necessary special conditions of use, based on prior experience in detail about possible misuse;
8.6. If necessary, the equipment or protective systems to add to the essential characteristics of the instruments.
14. The manufacturer or his authorized representative, must the instructions to design a national language. Launching the use of all equipment and protective systems must be fitted with a translation of the instructions in the language or languages of the country in which the equipment or protective systems will be used, and with the instructions in the original language. The translation provided by the manufacturer, his authorized representative or the importer. For instructions of the manufacturer or of his authorised representative employed staff, be drawn up in a language understood by the staff.
15. the instructions included in the drawings and diagrams necessary for use of the equipment or protective systems, maintenance, inspection, checking of correct operation and, where necessary, repair. The instructions also include other relevant information, with particular regard to safety.
16. Description of the equipment or protective systems must not contradict the instructions as regards safety.
 
2. classification and grading Equipment criteria 17. installations shall be divided into the following groups: 17.1.  the first (I) Group: equipment intended for use in underground parts of a mine, and the mine shaft surface facilities, which may occur in the mine gases and/or flammable dust explosion hazard;
17.2. the second (II) Group: equipment intended for use in other locations, in which flammable substances may occur in gases, vapours, mists and/or dust explosion hazards.
18. 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.
19. Equipment and protective systems may be designed for a particular explosive environment and in this case they are marked accordingly.
 
2.1. equipment group I 20. Category M1:20.1. is intended for use in underground parts of the shaft and the shaft surface equipment that directly exposed to firedamp and/or combustible dust explosion hazards;
20.2. is designed and equipped with the necessary special protective systems according to the manufacturer's operational parameters, ensuring a very high level of protection;
20.3. the ability to operate in potentially explosive atmospheres, even if damaged, and have a double protection to ensure the requisite level of protection, if you are not running one of the defences (other protection, from the independent, protective systems) or at one of the other two independent damage;
20.4. has been designed pursuant to this rule set out in paragraph 61 additional requirements.
21. Category M2:21.1 is designed and manufactured according to the manufacturer's operational parameters, ensuring a high level of protection;
21.2. is intended for use in underground mines (mines), as well as to the school, where possible of mine gases or combustible dust retention;
21.3. are made so as to be able to turn them off;
21.4. is secured by such protective systems that ensure the requisite level of protection during normal operation, as well as the difficult conditions resulting from the incorrect use of the equipment or the environment surrounding the Exchange;
21.5. is designed, subject to this provision 62. additional requirements set out in paragraph 1.
 
2.2. equipment group II, category 1 equipment 22:22.1. has designed and developed according to the manufacturer's operational parameters, ensuring a very high level of protection;
22.2. it is intended for use in places where permanent, long lasting and/or flammable substances are often formed in a gas, vapour, mist and dust generated explosions or threats;
22.3. the ability to run even if damaged, and to ensure the necessary level of protection, if not running one of the defences (other protection, from the independent, protective systems) or at one of the other two independent damage;
22.4. it is designed, subject to this provision 63 and 64 additional requirements set out in paragraph.
23. category 2:23.1. has designed and made according to the manufacturer's specified operating parameters to ensure a high level of protection;
23.2. are intended for use in places where sometimes and temporarily is a flammable substance, gases, vapours, mists and/or dust explosion hazard;

23.3. ensure the requisite level of protection, if often repeated malfunctions or is simply damage;
23.4. This provision corresponds to 65 and 66 points down to papildprasīb.
24. category 3:24.1. is designed and manufactured according to the manufacturer's operational parameters, ensuring a sufficient level of protection;
24.2. is intended for use in areas where flammable substances of gases, vapours, mists and/or dust explosion threat is unlikely and, if they occur, are temporary;
24.3. provides the necessary level of protection only during normal operation;
15.2. This provision corresponds to 67 and 68 points down to papildprasīb.
 
3. Essential safety requirements for equipment and protective systems in the design and manufacture of 25. This provision is laid down in Chapter 3 of the essential safety requirements apply also to devices, if it is necessary to ensure against the risk of explosion.
 
3.1. in the choice of materials, equipment and protective systems 26. Equipment and protective systems materials are chosen with the intended load of predictable work environment, they do not trigger an explosion.
27. the operating conditions specified by the manufacturer of the equipment and protective systems within the limits of the materials used and the constituent components of the explosive environment (any details that are essential to secure the equipment and protective systems but with no autonomous transaction functions) can cause a chemical reaction in the design of equipment and protective systems, which would weaken the protection against explosions.
28. the manufacturer shall choose materials to predictable changes in their characteristics and their connection with other materials do not reduce the required protection against explosions, especially corrosion characteristics of materials, wear, elektrovadāmīb, crush, aging and changing temperatures.
 
3.2. Design and manufacture 29. the manufacturer designs and manufactures equipment and protective systems subject to the criteria for safe technology (equipment, protective systems and devices in accordance with the equipment group and category, all the information provided by the manufacturer required equipment, protective systems, and devices for safe operation), to protect them from bombings throughout its intended life.
30. The design of equipment and protective systems, the manufacturer shall comply with the essential safety requirements for explosion prevention: 30.1. If possible, ensure that the equipment and protective systems not running a potentially explosive environment; 30.2. ensure that the premises are complied with any electrical or non-electrical ignition source;
30.3. If an explosion occurs, however, to immediately be eliminated and/or limited explosion flames and explosion pressures RADIUS to a sufficient level of security.
31. the ingredients (any details that are essential to secure the equipment and protective systems but with no autonomous transaction functions) which are intended for fitting equipment and protective systems or used their replacement, the manufacturer designed and built in such a way that they provide protection against the explosions when they are installed in accordance with manufacturer's instructions.
32. Protection against leakage: 32.1. machines, from which combustible gases may leak, or dust the manufacturer uses a closed (sealed) construction;
32.2. 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;
32.3. equipment manufacturer creates it to filling or emptying time limited combustible substances by filling or emptying.
33. Equipment and protective systems where surfaces accumulated dust can flare up, so designed that: 33.1. surface easy to clean up and build-up of dust on them would be minimised;
33.2. surface warming temperature is significantly lower than the accumulated dust in the flash-point;
33.3. could lower the temperature on the surface, if necessary to prevent accumulated dust of warming.
34. the equipment may be subject to possible overloads, provides additional protection to withstand the increased loads and it would not affect sprādzienaizsardzīb.
35. equipment and protective systems in the skins that support sprādzienaizsardzīb, designed in such a way that their removal is possible only with special instruments or providing adequate protection measures.
36. protection against other risk factors in equipment shall be such that: 36.1. direct or indirect contact does not cause injury (e.g., mechanical, thermal, chemical, or electrical trauma);
36.2. the avoidance of equipment discovered parts of the surface of high temperature or emission;
36.3. the electrical nature of the dangerous factors did not create the risk of explosion;
36.4. the foreseeable conditions of overload and would avoid dangerous situations.
37. in paragraph 36 of these regulations certain requirements apply, insofar as they do not conflict with other legislative requirements.
38. 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.
39. 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. possible sources of ignition in 40 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).
41. Taking appropriate measures, preventing the formation of electrostatic charges, which can cause dangerous discharge.
42. the power of the machine is not permitted in the managing wandering current and leakage currents that can cause corrosion, overheating of surfaces or sparks that can cause a fire.
43. equipment manufacturer for the design stage as preventing 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.

44. the manufacturer of the pressure compensation equipment and protective systems shall be included in the measurement, control and regulating devices to prevent pressure compensation process blast or pressure, which can result in a fire.
45. the external effect Equipment risk factor prevention provides: 45.1. a sufficient level of protection of the environment variables in the same circumstances (for example, current, humidity, vibration, pollution), subject to the conditions of use specified by the manufacturer, to safely perform the machine functions;
45.2. the equipment components to withstand the expected mechanical and thermal stress, as well as the existing or possible chemical substances, chemical products or other dangerous substances, products or materials.
 
3.4. Safety devices 46. Safety devices designed to work regardless of the equipment require measurement or control devices.
47. technical features are such as to ensure sufficiently rapid detection of damage to the safety devices to reduce to a minimum the possibility of dangerous situations.
48. the steering equipment and displays the manufacturer designed and built in such a way as to respect the principle of ergonomics at the highest level and provide protection against the risk of explosion.
49. Electrical protection ensured by applying primarily fail-safe principles.
50. the safety switching device is direct, without a programmed management mediation. If the safety device is not working, ensure equipment and/or protective systems security, if it is possible.
51. the safety device for emergency stop as possible be equipped with repeated power blockers (outs) to power on again would be possible only after the return of the baseline situation of intentional BitLocker.
52. as far as the measuring device refers to the use of equipment in potentially explosive atmospheres, they designed and built in such a way that: they can run 52.1. intended and also special operating conditions;
52.2. If necessary, it would be possible to verify the accuracy of the measuring equipment, the readings, and uptime.
53. In designing the safety coefficients measuring the conditions of installation and possible aberrations in the measuring system, which ensure timely alarm actuation, to have the opportunity to prevent the risk of explosion.
54. The equipment, protective systems and safety devices, operated by computer, on the project, paying particular attention to the risk that could arise from errors in software.
 
3.5. Protective systems 55. unforeseen changes in operating conditions and emergency situations arise, protective systems provide automatic actions of equipment shutdown with manual control without reducing safety.
56. in order to eliminate the threat of an explosion, emergency shutdown systems provide the fast and reliable removal of accumulated energy (dissipation), excluding or isolating electrochemically the accumulated energy.
57. Protective systems is secure regardless of the other equipment even if equipment and protective systems power failures can cause additional hazards.
58. installations shall be provided with suitable connection cables and Sockets.
59. Where equipment and protective systems are intended for use with other equipment and protective systems, the manufacturer or his authorized representative shall ensure that connection security.
60. the protective systems that are equipped with detection or alarm devices in potentially explosive atmospheres, the generation control adds 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 61.  (I) Group of category M1 equipment: 61.1. designed and made so as to prevent ignition sources from occurring, even if there is some damage to the machine;
61.2. designed and fitted with double protection to ensure the requisite level of protection, if the defense is not working (protection, independent of it, Defense), or if one of the other two independent damage;
38.1. If necessary, equipped with additional protective systems that ensure the operation in potentially explosive atmospheres;
61.4. save the capacity in potentially explosive atmospheres;
61.5. designed and manufactured so as to prevent dust from entering the equipment, if not eligible for entry in the dust;
61.6. be designed and made so 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;
38.3. 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 the opening is completely safe. If it is not possible to turn off the equipment, the equipment manufacturer to open parts of the affix an appropriate warning. If necessary, the supply of equipment with additional locking system.
62. In Group I equipment of category M2:62.1. provided with protective systems that eliminate the possibility of ignition of the machine in normal as well as the difficult operating conditions resulting from the incorrect use of the equipment or a change in environmental conditions;
62.2. provide protective equipment to ensure that the installation of automatic disconnection of the power supply source, if built up an explosive atmosphere;
38.7. designs and manufactures its equipment parts which might be sources of ignition, could open when the machine is off or protected with additional locking system. If it is not possible to turn off the equipment, the manufacturer, to open parts of the equipment be affixed to the appropriate warning;
38.8. protects against air/dust mixtures of explosive under the category M1 equipment requirements.
63. Group II category 1 equipment for use in gas, vapour or fog in explosive atmospheres: 39.2. against fire, if there is some damage to the machine;
39.3. designed and fitted with double protection to ensure the requisite level of protection, if you are not running one of the defences (other protection, from the independent, protective systems) or at one of the other two independent damage;
63.3. ensure against surface overheating (temperature exceeding the maximum), even in the most unfavourable operating conditions;
63.4. protects against the increase in temperature caused by the release of heat and chemical reactions;

63.5. designs and manufactures its equipment parts which might be sources of ignition, could open when the machine is turned off or the opening is completely safe. At the opening of part of the equipment shall affix an appropriate warning. If necessary, the supply of equipment with additional locking system.
64. Group II category 1 equipment for use in explosive atmospheres caused by dust in the environment: 64.1. designed and built in such a way that air/dust mixtures the ignition would not be possible, even if there is some damage to the machine;
64.2. designed and fitted with double protection to ensure the requisite level of protection, if you are not running one of the defences (other protection, from the independent, protective systems) or at one of the other two independent damage;
64.3. If needed, designed and made in such a way as to ensure that the dust from entering the equipment or protective systems or escaping from it only to the places provided for this purpose. This requirement also applies to cable input and connection points;
64.4. ensure that the surface temperatures of equipment parts remains significantly lower than the expected air or dust the ignition temperature of the mixture to prevent accumulated dust ignition;
64.5. with regard to the safe opening of equipment parts to follow that rule 63.5. the requirements laid down in point.
65. the Group II category 2 equipment, intended for gases, vapours or mists of explosive atmosphere: 65.1. designed and manufactured so as to avoid ignition sources, even if it is often the equipment malfunction;
65.2. designed and built in such a way that its surface temperature does not exceed the limits of even high risk situations;
65.3. the project so that its equipment parts which might be sources of ignition, can be opened only when the machine is off or protected with an appropriate locking system. If it is not possible to turn off the equipment, the equipment manufacturer to open parts of the affix an appropriate warning.
66. the Group II category 2 equipment for use in explosive dust atmospheres, designed and made in such a way as to prevent dust and air mixture ignition in the event of damage or simple is often the equipment malfunction, as well as respecting this rule 64.3 64.4. and 65.3., the requirements laid down in point.
67. Group II category 3 equipment intended for a gas, vapour or fog in explosive atmospheres: 67.1. designed and built in such a way that the equipment during normal operation the environment avoid potential ignition sources;
67.2. designed and built in such a way that its surface temperature does not exceed the allowable limits for the operating conditions. Higher temperatures in exceptional cases may be allowed only if the manufacturer provides additional protection measures.
68. Group II category 3 equipment intended for use in explosive dust atmospheres: 68.1. designed and built in such a way that the equipment during normal operation possible ignition sources will not cause air/dust mixtures in fire;
68.2. designed and built in such a way that the surface temperature of the equipment are in compliance with this provision in 64.4;
68.3. made so as to enter through the defences of the cable and connection sites dust particles out of the inside of the equipment or protective systems, not accrued there and create explosive concentrations.
 
3.7. Additional requirements for the design and manufacture of protective systems 69. Protection of the functional layout provides a possible explosion of the exposure to a sufficient level of security.
70. Protective systems must 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.
71. If the energy supply is interrupted, the protective systems keep working long enough to avoid dangerous situations.
72. Protective systems are secured against external effects and its influence must not lose their functional integrity.
73. in the course of the design by choosing the design of the defences of the materials, take into account the maximum pressure and temperature effects that may occur in exceptional circumstances caused by the explosion and predicted the flame heat.
74. Protective systems that are designed to withstand the blast of pressure equipment and explosion, the blast must not lose uptime.
75. the accessories that are attached to the protective systems, pass the maximum explosion pressure without losing integrity.
76. The design of protective systems, take into account the explosion of pressure generated in the reaction and auxiliary pipelines.
77. The explosion pressure load reduction devices shall be so designed that the defences are not exceeded in strength the protection of constructive and would not endanger the surrounding people.
78. The explosion blast damping system designed to enable them to respond to the effects of the explosion, stopping or masking the fact in its infancy, and ensure effective interdiction efforts, taking into account the maximum pressure rise rate (level) and the maximum explosion pressure.
79. Protective systems designed for specific equipment for quick disposal explosion in its infancy, so designed as to be safe against the internal transmission and outbreaks, making job functions, save the breaking strength.
80. Protective systems used in alarm that warns about the need to stop the machine or turn off those parts that are no longer able to operate safely.
 
4. Equipment and protective systems for conformity assessment procedures 81. Equipment, protective systems and, if necessary, the device manufacturer chooses the following conformity assessment procedures: 81.1.  Group I and group II of category M1 category 1 equipment and autonomous protective systems — type-examination in accordance with the provisions of section 4.2, as well as one of the following procedures: 81.1.1. production quality assurance in accordance with the provisions of section 4.4;
81.1.2. verification in accordance with the provisions of section 4.6;
81.2. In Group I and group II of category M2 category 2 electrical equipment and internal combustion engines — type-examination in accordance with the provisions of section 4.2, as well as one of the following procedures:

81.2.1. type-declaration of conformity in accordance with section 4.3 of these rules;
81.2.2. equipment quality assurance in accordance with the provisions of section 4.5;
81.3. Category M2 and group I group II category 2 equipment except electrical and internal-combustion engines — internal control of production according to this provision, section 4.1. Technical documentation of equipment approved by the authorized institution;
81.4. Group II category 3 — internal control of production according to this provision, section 4.1;
81.5. Group I and II facilities and independent protective systems — unit verification in accordance with the provisions of section 4.7.
82. The provisions referred to in paragraph 81 of the procedure is also used for the conformity assessment of the ingredients, except the use of the CE marking.
83. the manufacturer or his authorised representative shall draw up a declaration of conformity, confirming the conformity of the components of the requirements of this regulation, the explanations on the components characteristics and conditions, as they want to insert (to be fitted) equipment or protective systems to facilitate complete equipment or protective systems in compliance with the essential requirements.
84. to highlight the equipment with the CE mark and comply with this rule referred to in paragraph 36 of the security aspects, the manufacturer or his authorised representative shall apply the procedure in addition according to the sub-chapter 4.1 production for internal control.
85. the manufacturer or his authorised representative shall draw up a declaration of conformity of the equipment, protective systems or devices in compliance with the requirements of this regulation. In the Declaration of conformity shall contain the following information: 85.1. of the manufacturer or of his authorised representative, the name and registered office;
85.2. the equipment, protective systems, or devices;
85.3. activities carried out to test the equipment, protective systems or devices in compliance with the requirements of this regulation;
85.4. these bodies authorised name, identification number and address, which made the type examination and the type-examination certificate number, if such certificate is issued;
85.5. reference to applicable standards where such standards are used;
85.6. reference to other standards in use and the technical specifications, where such standards and technical specifications are used;
53.3. the reference to internal law, which laid down the relevant requirements are met, if such laws are used;
85.8. name of manufacturer or its authorised representative, the name and position, who signed the Declaration of conformity and is empowered to enter into commitments.
86. The internal market proposed for equipment and protective systems technical documentation relating to the conformity assessment procedure shall be drawn up in the national language.
87. the manufacturer or his authorised representative established in the legislation in order to challenge and can appeal against the decision of the notified bodies shall not issue a certificate after the equipment or protective systems conformity assessment.
 
4.1. internal control of production 88. internal control is the conformity assessment procedure whereby the manufacturer, or his authorised representative ensures and declares that the equipment requirements. Manufacturer or his authorised representative shall draw up a declaration of conformity and affix to the equipment with the CE marking.
89. the technical documentation shall include: 89.1. a general description of the equipment;
89.2. General design and fabrication drawings;
89.3. component node, block, savienotājķēž and other necessary schemes;
89.4. drawings, diagrams and equipment descriptions and explanation;
89.5. full or partial list of standards applied, or, if the standards are not applied, the rules laid down in Chapter 3 of the essential safety requirements of the solution used for the description;
55.7. project and test results;
55.7. test reports.
90. the manufacturer shall take all measures necessary to ensure that the production process equipment manufactured in the technical documentation and with the requirements of this regulation.
 
4.2. check the type 91. Type examination is the conformity assessment procedure whereby a notified body ascertains and attests that a sample of the equipment or protective systems meeting the requirements of this regulation.
92. in order to carry out the type-examination, the manufacturer or his authorised representative choose authorized institution and submit it to the application. The application of this provision is added to paragraph 94 of the specific technical documentation.
93. in carrying out the required test program, the applicant shall forward to the notified body in possession of the equipment or protective systems to assess the type of samples. The notified body shall be entitled to require in addition from the manufacturer or its authorized representative more this type of equipment or protective systems.
94. equipment and protective systems for technical documentation including: equipment and protective systems 94.1. General description;
94.2. Design and manufacturing drawings;
58.6. component node, block, savienotājķēž and other necessary schemes;
94.4. drawings, diagrams and the operation of the equipment or protective systems descriptions and explanation;
94.5. full or partial 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 essential safety requirements;
design and calculation of 94.6. results of checks;
94.7. test reports.
95. the notified institution: 95.1. examine the technical documentation and verify that the test equipment or protective systems made pursuant to it, and determine which design components have been developed according to the requirements of applicable standards and design components comply with the requirements of this standard;
95.2. manufacturer's compliance with the technical specifications used the terms laid down in Chapter 3 of the essential safety requirements, the manufacturer does not use any or only partially used the applicable standards or the standards are not developed;
95.3. carry out appropriate inspections and the tests necessary to verify that the manufacturer has used the relevant applicable standards;
95.4. agree with the applicant the location where the tests will be carried out and the necessary tests.

96. If the equipment or protective systems shall comply with the requirements of this regulation, an authorized institution the applicant equipment or protective systems of the type-examination certificate. The certificate shall state the name and address of the manufacturer, the findings of the examination and the necessary information for identification of the approved sample.
97. The equipment or protective systems type-examination certificate to the manufacturer or his authorized representative adds the appropriate technical descriptions, diagrams and drawings necessary for identification of the certified sample.
98. The equipment or protective systems type-a copy of the inspection certificate, as well as the rules referred to in paragraph 100 of the receipt copy stores authorized institution.
99. If the notified institution justified reasons refused to issue or withdraw the equipment or protective systems type-examination certificate shall so inform the manufacturer or the manufacturer's authorized representative, the market surveillance authorities and the other notified bodies, giving the reasons for its decision.
100. the manufacturer or his authorised representative, the notified body which issued the type-examination certificate shall inform the authority of any certified type changes which may affect the conformity with the essential safety requirements, and receive additional confirmation from the notified body which issued the type-examination certificate. This additional evidence presented about the enhancement type-examination certificate.
101. the notified body which carried out the inspection, the other notified bodies on request, issue a type-examination certificates and their additions, as well as displays the type-examination certificate.
 
4.3. Type-conformity declaration of conformity to type 102. Equipment of the Declaration is the procedure whereby the manufacturer ensures and declares that the equipment conforms to the type described in the type examination certificate and the rules laid down in Chapter 3 of the essential safety requirements. Manufacturer or his authorised representative shall draw up a declaration of conformity and affix to the equipment with the CE marking.
103. the manufacturer shall take all the necessary measures in order that the manufacturing process, including final product inspection and testing, help ensure homogeneity and conformity of equipment certified type and the requirements of these regulations.
104. the manufacturer shall each take the sprādzienaizsardzīb test or provide them. These inspections monitor the authorized institution chosen by the manufacturer.
105. the manufacturer of the equipment in the production process, the CE marking shall be accompanied by the identification number of the notified body.
 
4.4. Production quality assurance 106. Production quality assurance is the procedure whereby the manufacturer declares that the production quality system provides the equipment and protective systems in compliance with the type-examination certificate and to the type described in meeting the requirements of this regulation. Manufacturer or his authorised representative shall draw up a declaration of conformity of equipment and protective systems and identified with the CE marking. The CE marking shall be accompanied by the identification number of the notified body which carried out the inspection.
107. in order to ensure the quality of production, the manufacturer applies production quality, the final inspection equipment and testing system assesses and monitors the authorised certification institution.
108. in order to assess the production quality system, the manufacturer or his authorised representative choose one notified quality system assessment bodies and submit it to the appropriate application equipment and protective systems production quality system evaluation.
109. the application shall be accompanied by the equipment and protective systems evaluated documentation relating to the quality system, this provision 94. the documentation referred to in point and a copy of the type-examination certificate.
110. the quality system shall ensure series-produced equipment and protective systems in compliance with the type-examination certificate and the approved rules laid down in Chapter 3 of the essential safety requirements.
111. the manufacturer shall establish all the elements, requirements and provisions and systematically and sequentially those written documents as quality system policy, procedures and instructions.
112. the documentation of the quality system is based on continuous quality assurance programme, plans, rules, notes of explanations, as well as information about the: 112.1. quality system objectives and the organisational structure of the manufacturer, management responsibilities, authority and accountability for equipment and protective systems for quality assurance;
112.2. production, quality monitoring, quality assurance techniques, processes and systematic actions;
112.3. the examinations and tests carried out before and after manufacture, and the frequency of the production stage;
112.4. quality system records: 112.4.1. results of the test and calibration;
112.4.2. the reports on the examinations;
112.4.3. staff qualifications;
112.5. control features to ensure the equipment and protective systems required quality and the effective operation of the quality system.
113. the notified body shall evaluate the manufacturer's quality system and determines whether it meets this rule 110, 111 and 112. point and the applicable standards. Evaluate the quality system inspection (audit) group, which includes at least one of the relevant equipment and protective systems technology assessment expert.
114. The evaluation procedure includes a check of the producer's company. The results of the inspection and of the decisions taken by the notified body shall inform the manufacturer.
115. If a production quality system meets these requirements, the notified body shall issue a manufacturer production quality certificate. The certificate is stored to the manufacturer or its authorized representative.
116. the manufacturer completes the certified quality system requirements, as well as ensure the conditions for the production of appropriate and effective in its future operations.
117. the manufacturer or his authorized representative 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.
118. the notified body shall examine and decide whether the manufacturer for changes meet approved quality system requirements or they need re-evaluation. The results of the inspection and of the decisions taken by the notified body shall inform the manufacturer.
119. the notified body:

119.1. carry out regular inspections in order to monitor whether the manufacturer maintains and applies the quality system and provide the manufacturer reports on results of inspections (audit);
119.2. be entitled to make unexpected, unannounced inspection by the manufacturer;
119.3. If appropriate, a test of equipment and protective systems or require them to verify the correct functioning of the quality system;
119.4. test reports issued by the manufacturer and, if a test has taken place, and the test reports.
120. the national supervisory and control authorities the manufacturer for at least 10 years after the last equipment has been manufactured, keep: 120.1. This provision, paragraph 112;
120.2. information about this rule referred to in paragraph 117 upgrades or changes;
120.3.118. these provisions and referred to in paragraph 119, the notified bodies decisions, opinions and reports.
121. the notified body shall have the obligation to inform the other notified bodies on issued and withdrawn quality system certificates.
122. The manufacturer is responsible for: ensuring the notified body 122.1. the possibility of carrying out the checks, have free access to all the production, testing and storage premises;
122.2. 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 and news about staff qualifications.
 
4.5. installations for the quality assurance of the quality of the equipment 123. is the procedure whereby the manufacturer declares that the equipment conforms to the type described in the type examination certificate and the requirements of this regulation.
124. in order to ensure the quality of the equipment produced, the manufacturer shall carry out the final inspection and test procedures in accordance with a certified quality system monitoring shall be carried out by the notified bodies.
125. equipment quality system conformity (certification) the manufacturer chooses to submit to the authorised institutions and the application. The application shall state: 125.1. all the relevant information about the facility;
125.2. the certified type-technical documentation and a copy of the inspection certificate;
125.3. details of the categories evaluated quality of equipment.
126. in order to determine whether the equipment meets the requirements of these provisions, according to the quality system, each appliance is tested or the testing carried out under the applicable standards.
127. the manufacturer shall be documented in a systematic (procedures, measures and instructions) applicable standards, which it has applied.
128. the quality system documentation consists of a sequential program, quality plans, regulations and interpretation of records. Documentation shall include descriptions of: 128.1. quality system objectives and the organisational structure, responsibilities, powers of the management and accountability made in the quality of the equipment;
128.2. checks and tests which admit the equipment after its manufacture;
128.3. monitoring of the effectiveness of the quality system;
128.4. quality system test, test materials and staff qualifications (certificates).
129. the notified body shall assess the quality system established by the manufacturer and determine whether it complies with the applicable standards and that rule 126, 127 and 128. requirements set out in paragraph 1. Examination (audit) the Group shall include at least one of the equipment production technology evaluation expert. The evaluation procedure includes a check of the evaluation of the producer organization. The results of the inspection and of the decisions taken by the notified body shall inform the manufacturer.
130. the manufacturer complies with the certified quality system notified bodies, as well as ensure the conditions for the production of appropriate and effective in its future operations.
131. the manufacturer or his authorized representative shall inform the notified body that has approved the quality system informed of any changes it intends to make in certified quality system.
132. the notified body shall examine and decide whether the manufacturer for updates and/or changes meet the certified quality system requirements or they need re-evaluation.
133. The results of the inspection and of the decisions taken by the notified body shall inform the manufacturer.
134. it is the responsibility of the manufacturer: notified body 134.1. provide the opportunity to make sure that the manufacturer duly fulfils the obligations associated with the certified quality system;
134.2. the notified body must provide the opportunity, by inspection, have free access to the production, testing and storage premises;
134.3. the notified body must provide all the information you need about quality system, reporting, testing, quality system documentation, reports of inspections carried out, test and calibration data and news about staff qualifications.
135. 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.
136. the notified institution: 136.1. carry out regular inspections in order to monitor whether the manufacturer maintains and applies the quality system and provide the manufacturer reports the results of those checks;
136.2. be entitled to make unexpected, unannounced inspection by the manufacturer;
136.3. If necessary, make the equipment testing or requiring them to verify the correct functioning of the quality system;
136.4. test reports issued by the manufacturer and, if a test has taken place, and the test reports.
137. the national supervisory and control authorities the manufacturer for at least 10 years after the last equipment has been manufactured, keep: 137.1.125.2. This provision referred to the documentation;
137.2.131. these provisions referred to innovation or change;
137.3. This provision. 135 and 136 of the notified body referred to in point decisions, opinions and reports.
138. the notified body shall have the obligation to inform the other notified bodies on issued and withdrawn quality system certificates.
 
4.6. verification 139. Verification is the procedure whereby a notified body verifies and confirms (certified) for equipment and protective systems in compliance with the requirements of this regulation. It only applies to equipment and protective systems in the production stage, and together with the applicable type-checking.

140. the manufacturer shall take necessary measures for the manufacturing process to ensure compliance with the equipment and protective systems in the type-examination certificate and to the type described in section 3 of these regulations specified in essential safety requirements. Manufacturer or his authorised representative shall draw up a declaration of conformity and affix to the equipment with the CE marking.
141. the notified body shall carry out the appropriate examinations and tests, checking and testing of each piece of equipment, protective systems and devices according to this provision the requirements of paragraph 143.
142. the manufacturer or his authorized representative shall keep a copy of the Declaration of conformity for at least 10 years after the last equipment or protective systems manufacturing.
143. the manufacturer shall examine the individual equipment or protective systems and testing carried out in accordance with the requirements of the applicable standard or take appropriate tests as necessary to determine whether the equipment or protective systems shall comply with the type described in the type examination certificate, and Chapter 3 of these rules specified in essential safety requirements.
144. the institution highlights each test equipment with your ID number and the equipment or protective systems shall be issued a certificate of conformity.
145. the manufacturer or his authorised representative authorised institutions issued compliance certificates presented to the national supervisory and control authorities upon their request.
 
4.7. Unit verification 146. Unit verification applies to equipment and protective systems in the design and production of, and it uses separate, individual equipment and protective systems for the production or the production of small series. Manufacturer or his authorised representative shall draw up a declaration of conformity of equipment and protective systems and identified with the CE marking.
147. the notified body shall examine the individual equipment or protective systems unit and tested in accordance with the requirements of the applicable standard or take appropriate tests as necessary to determine that the manufacturer applied technical solutions meeting the requirements of this regulation. Authorized institution add equipment or protective systems CE marking your identification number, or add, and issue certificates of conformity of individual units.
148. the technical documentation shall include: 148.1. equipment and protective systems General description;
the principle design and 148.2. fabrication drawings;
148.3. component nodes, block, savienotājķēž and other necessary schemes;
148.4. drawings, diagrams and the operation of the equipment or protective systems descriptions and explanations;
148.5. full or partial 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 essential safety requirements;
148.6. project and test results;
148.7. test reports.
 
5. Equipment and protective systems for the labelling of equipment and Each 149. defences manufacturer labelled with at least the following information: 149.1. the manufacturer's name (first name, last name) and address;
149.2. CE marking (annex 1);
149.3. series or type designation;
149.4. serial number, if any;
149.5. year of manufacture;
149.6. special mark explosion protection-Ex label (annex 2);
149.7. equipment group and category symbol;
equipment group II 149.8. the letter "G", if a potentially explosive environment caused by gases, vapours or mist, and/or the letter "D", if the potentially explosive environment produces dust;
149.9. If necessary, the information of the equipment or protective systems for safe use.
150. the mark must be clearly visible, legible and indelible before the use of the equipment or protective systems and its use.
151. If security requirements for equipment or protective systems defined in other laws and regulations, the manufacturer of the equipment or highlights each defences with CE marking, certifying that all relevant legislation is respected.
152. the CE marking shall be accompanied by the identification number of the notified body which carried out the equipment or protective systems for conformity assessment in the production stage.
153. On the equipment or protective systems, its packaging or accompanying documents must not be placed in the marking, which may be confused with the CE marking.
154. The CE marking shall be in proportion to the size of the increase or decrease.
155. 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 size of the equipment, protective systems, or devices).
 
6. Market surveillance 156. Equipment and protective systems for market supervision of consumer protection Center (trade and service areas), the National Labour Inspectorate (work place) and the national energoinspekcij (sales and service locations and workplaces).
157. equipment and protective systems for the manufacturer or his authorized representative 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 systems manufacturing. If the manufacturer or its authorized representative is defined as technical documentation is the responsibility of the person who offers the equipment or protective systems within the internal market.
158. where the market surveillance authorities find that the equipment or protective systems do not comply with the requirements of these provisions and the manufacturer does not conform, the market surveillance authorities shall take all appropriate legal measures envisaged to prevent the equipment or protective systems are offered on the domestic market.
159. This provision is non-compliant equipment, protective systems, or devices advertising fairs, exhibitions and similar events are allowed, unless the equipment, protective systems or devices are added to the clear indication that they are not sold or used until the manufacturer or its authorized representative is provided the equipment and protective systems in compliance with the requirements of this regulation.
160. where the market surveillance authorities find that the equipment, protective systems and/or device bearing 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 a suspended ban. The information sent to the equipment or protective systems manufacturer or importer.
161. In foreign countries could have the equipment and protective systems of conformity assessment certificates and approvals in Latvia recognises laws.

162. Where equipment or protective systems manufacturer or his authorized representative is established in the manner laid down, of Latvia, for compliance with these rules is the responsibility of the importer of the equipment or protective systems.
 
7. concluding issues. 163 to declare unenforceable in the Cabinet of 9 May 2000, the Regulation No 172 "rules for explosive atmospheres applied to equipment and protective systems security" (Latvian journal, 2000, 171./172.nr.).
164. the rules shall enter into force on august 1, 2003.
 
Informative reference to European Union directive rules included provisions arising from the Directive 94/9/EC.
Prime Minister e. Repše Welfare Minister d. Staķ is the Editorial Note: rules shall enter into force on august 1, 2003.