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LEGAL ACTS OF THE REPUBLIC OF LATVIA
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The translation of this document is outdated.
Translation validity: 01.07.2007.–26.09.2008.
Amendments not included: 22.09.2008., 19.01.2010., 06.12.2011., 16.08.2016.

Disclaimer: The English language text below is provided by the Translation and Terminology Centre for information only; it confers no rights and imposes no obligations separate from those conferred or imposed by the legislation formally adopted and published. Only the latter is authentic. The original Latvian text uses masculine pronouns in the singular. The Translation and Terminology Centre uses the principle of gender-neutral language in its English translations. In addition, gender-specific Latvian nouns have been translated as gender-neutral terms, e.g. chairperson.


Text consolidated by Tulkošanas un terminoloģijas centrs (Translation and Terminology Centre) with amending regulations of:

26 April 2005 (No. 284);
19 June 2007 (No. 390).

If a whole or part of a paragraph has been amended, the date of the amending regulation appears in square brackets at the end of the paragraph. If a whole paragraph or sub-paragraph has been deleted, the date of the deletion appears in square brackets beside the deleted paragraph or sub-paragraph.


Republic of Latvia

Cabinet
Regulation No. 518

Adopted 16 September 2003

Procedures for Technical Supervision of Pressure Equipment Assemblies

Issued pursuant to
Section 3, Paragraph two of the Law On Technical Supervision
of Dangerous Equipment

1. General Provisions

1. These Regulations prescribe the requirements to be complied with in order not to cause a hazard to human life, health, property and the environment in organising and performing work with pressure equipment assemblies that in accordance with the classification determined in regulatory enactments regarding pressure equipment and assemblies thereof conform to Category III or IV (hereinafter - pressure equipment assembly), as well as prescribe the procedures for the technical supervision of pressure equipment assemblies.

2. These Regulations do not apply to work with:

2.1. pressure equipment assemblies that in accordance with the classification determined in regulatory enactments regarding pressure equipment and assemblies thereof conform to Category I or II;

2.2. portable fire extinguishing containers and inhalation containers or the pressure equipment assemblies thereof;

2.3. pressure cookers utilised in the household;

2.4. equipment subject to regulatory enactments regarding transportable pressure equipment;

2.5. equipment subject to regulatory enactments regarding main pipelines;

2.6. equipment subject to regulatory enactments regarding procedures for the technical supervision of reservoirs for the storage of dangerous substances;

2.7. networks for the supply of water (for example, penstocks, pressure tunnels, pressure shafts in hydroelectric stations) and the respective devices thereof;

2.8. equipment subject to regulatory enactments regarding simple pressure vessels;

2.9. equipment subject to regulatory enactments regarding aerosol containers;

2.10. equipment for means of transport, the safety of which is regulated by regulatory enactments regarding:

2.10.1. type-approval of motor vehicles and trailers thereof;

2.10.2. conformity assessment of wheeled agricultural and forestry tractors; and

2.10.3. conformity assessment of two or three-wheel motor vehicles;

2.11. well-control equipment utilised in the petroleum, gas or geothermal extraction industry and exploration, and in underground storage for the maintenance and/or control of pressure;

2.12. equipment comprising casings or machinery, the dimensions, materials and manufacturing of which is determined by requirements for strength, rigidity and stability, in order to withstand the operational load of the equipment, and for which equipment pressure is not the determining design factor (for example, engines, also turbines and internal combustion engines, steam engines, gas or steam turbines, turbo-generators, compressors, pumps and actuating devices);

2.13. blast furnaces (also furnace coolers), hot-blast recuperators, dust extractors and blast-furnace exhaust-gas scrubbers, direct reducing cupolas (also furnace coolers), gas converters and pans for melting, re-melting, de-gassing and casting of steel and non-ferrous metals;

2.14. built in installations for high-voltage electrical equipment (for example, switchgear, control gear, transformers, rotating machines);

2.15. pressurised pipes for communications systems (for example, for electric power and telephone cables);

2.16. ships, rockets, aircraft and mobile (floating) natural resources extraction platforms, and the equipment specifically intended for connection with such platforms;

2.17. pressure equipment assemblies consisting of a flexible casing (for example, tyres, balls used for games, inflatable craft);

2.18. inlet and exhaust silencers of engines;

2.19. radiators and pipes in hot water heating systems; and

2.20. hot water (if the temperature does not exceed 110°C) pressure equipment assemblies intended for production in which solid fuel is provided by hand if the capacity of the referred to assemblies is less than 500 kW.

[26 April 2005; 19 June 2007]

3. Pressure equipment assemblies depending on the purpose of use and nature thereof are as follows:

3.1. elementary pressure equipment assemblies - assemblies intended for storage under pressure of such substances that in accordance with the classification determined in regulatory enactments regarding pressure equipment and assemblies thereof conform to Group II flowing substances, and the main risk factor is the pressure caused by such substances;

3.2. heated pressure equipment assemblies - assemblies intended for storage under pressure of such substances that in accordance with the classification determined in regulatory enactments regarding pressure equipment and assemblies thereof conform to Group II fluids the temperature of which exceeds 110°C, and the main risk factor is the pressure and temperature caused by such substances; and

3.3. especially dangerous pressure equipment assemblies - assemblies intended for storage under pressure of such substances that in accordance with the classification determined in regulatory enactments regarding pressure equipment and assemblies thereof conform to Group I fluids, and the main risk factor is the pressure, hazardous environment and temperature caused by such substances.

4. The Ministry of Economics in co-operation with the relevant standards technical committee shall recommend to the limited liability company Latvijas standarts [Latvian Standard] a list of standards to be prepared, adapted and applied in relation to these Regulations.

[26 April 2005]

5. The limited liability company Latvijas standarts [Latvian Standard] shall submit for publication in the newspaper Latvijas Vēstnesis [the official Gazette of the Government of Latvia] a list of those Latvian national standards which may be applied to fulfil the requirements of these Regulations (hereinafter - applicable standards).

[26 April 2005]

5.1 An accredited authority is entitled to perform the technical inspection of pressure equipment assemblies in accordance with Chapter 4 of these Regulations, in respect of which the Ministry of Economics has published a notice in the newspaper Latvijas Vēstnesis (hereinafter - inspection authority) if it has:

5.1.1. certified in the Latvian National Accreditation Bureau the competence of the inspection authority in conformity with the criteria specified in the standard LVS EN ISO/IEC 17020:2005 "General criteria for the operation of various types of bodies performing inspection"; and

5.1.2. insured its civil legal liability in such an amount as to cover losses caused due to possible errors, which have been calculated in the risk assessment in the field of activity of the authority in co-operation with the insurer selected by the authority.

[26 April 2005]

5.2 The Latvian National Accreditation Bureau, which has evaluated the competence of the inspection authority, shall regularly examine the conformity of the inspection authority to the requirements specified in Paragraph 5.1 of these Regulations.

[26 April 2005]

2. General Requirements for Use of Pressure Equipment Assemblies

6. The possessor of the pressure equipment assembly shall ensure the arrangement, appropriate and safe use, servicing and supervision of the pressure equipment assembly to avoid a threat to human life, health, property and the environment in conformity with the requirements specified in these Regulations and the instructions of the manufacturer.

6.1 If the pressure equipment assembly is leased or transferred for use to another person, the liability referred to in Paragraph 6 of these Regulations is not transferable.

[19 June 2007]

7. It is permitted to use pressure equipment assemblies registered with the State Labour Inspection after receipt of a use licence.

[19 June 2007]

7.1 A use licence shall be issued to a possessor by the State Labour Inspection. The State Labour Inspection shall make a relevant record in the X Chapter of the passport of the pressure equipment assembly and shall indicate the following information:

7.1.1. an annotation regarding the address of the location of the pressure equipment assembly indicated by the possessor;

7.1.2. the name and address of the State Labour Inspection regional office - issuer of the use license;

7.1.3. date of issue of the use licence; and

7.1.4. the given name, surname and signature of the responsible State Labour Inspection official.

[19 June 2007]

7.2 If the address of installation of the pressure equipment assembly changes, it is necessary for the possessor to obtain a new use licence from the State Labour Inspection. The State Labour Inspection shall make a new record in the X Chapter of the passport of the pressure equipment assembly.

[19 June 2007]

8. It is required that each pressure equipment assembly has a passport in the official language. The possessor of the pressure equipment assembly who commences the use of the equipment in Latvia shall complete the passport for the particular pressure equipment assembly in accordance with the passport specimen provided for in the Annex to these Regulations.

[26 April 2005]

9. In selling, gifting or otherwise transferring a pressure equipment assembly to another possessor, the passport of the pressure equipment assembly shall also be transferred. Data regarding the new possessor of the pressure equipment assembly shall be indicated in the passport of the pressure equipment assembly. This shall be certified by the State Labour Inspection by re-registering the pressure equipment assembly in accordance with regulatory enactments regarding the registration of dangerous equipment.

[19 June 2007]

10. A possessor shall keep the assembly and instructions for use in the official language together with the passport of a pressure equipment assembly. At least the following information shall be specified in the instructions:

10.1. the requirements for the installation and movement of the pressure equipment assembly;

10.2. procedures by which the use of the pressure equipment assembly is commenced;

10.3. procedures for the use of the pressure equipment assembly;

10.4. procedures for the technical maintenance and supervision of the pressure equipment assembly, as well as the inspections to be performed by the user; and

10.5. a technical dossier, technical drawings, specifications, diagrams and calculations for the pressure equipment assembly if they help to understand the indications provided in the instructions.

[26 April 2005; 19 June 2007]

11. The possessor of the pressure equipment is prohibited to use of the pressure equipment assembly without the passport of the pressure equipment assembly and the documents referred to in Paragraph 10 of these Regulations.

[19 June 2007]

12. The possessor of the pressure equipment is prohibited to use the pressure equipment assembly if the safety devices are not sealed in conformity with the requirements specified in these Regulations.

13. During the use of a pressure equipment assembly, the possessor thereof has the following duties:

13.1. taking into account the construction of the equipment and the conditions for use, to ensure for the maintenance of the pressure equipment assembly an adequate number of personnel, who are trained and instructed in accordance with regulatory enactments regarding labour protection in using work equipment, and training in labour protection issues;

13.2. to assign (with a written order) a specialist of appropriate qualification who is responsible for the technical state of the pressure equipment assembly, safe use and maintenance thereof (hereinafter - responsible specialist);

13.3. in conformity with the manufacturer's instructions, to develop, approve and update work instructions for the servicing personnel;

13.4. to ensure the storage and presentation of the passport and operating instructions of the pressure equipment assembly to the officials of the State Labour Inspection and to representatives of the inspection authorities in accordance with the procedures specified in regulatory enactments;

13.5. to ensure the issuance of assignments (permits) for work of increased danger;

13.6. to ensure timely technical inspections of the pressure equipment assembly; and

13.7. to notify the State Labour Inspection regarding emergencies and accidents which have occurred while using the pressure equipment assemblies.

[26 April 2005; 19 June 2007]

13.1 [19 June 2007]

[26 April 2005; 19 June 2007]

14. The possessor of the pressure equipment assemblies shall provide the responsible specialist with the following documentation for the use of the pressure equipment assemblies:

14.1. the passport of the pressure equipment assembly;

14.2. the use and assembly instructions for the pressure equipment assembly and work safety instructions for servicing personnel; and

14.3. the operation logbook of the pressure equipment assembly, except in cases if the manufacturer of the pressure equipment assembly has not provided for such log-book.

[19 June 2007]

15. The responsible specialist has the following duties:

15.1. to ensure the appropriate technical state of the pressure equipment assemblies and the facilities thereof;

15.2. to ensure appropriate maintenance of the documentation referred to in Paragraph 14 of these Regulations;

15.3. to supervise that the qualifications of the servicing personnel conforms to the specified requirements and they are instructed regarding the safe use of the pressure equipment assemblies;

15.4. to prepare the pressure equipment assemblies for the technical inspections provided for in these Regulations and to be present when such technical inspections are performed;

15.5. if unacceptable defects and violations of instructions are determined in work with the pressure equipment assemblies, to stop the operation thereof and to ensure the rectification of the deficiencies;

15.6. to instruct the servicing personnel at the workplace and to organise repeat and extraordinary examinations of knowledge;

15.7. in the passport of pressure equipment assembly, to indicate all data regarding the maintenance and servicing of the pressure equipment assembly, measures taken that affect the safe use of the pressure equipment assembly, as well as the results of technical inspections specified in these Regulations;

15.8. in the logbook for the use of the pressure equipment assembly, to indicate data regarding the time of operation of the pressure equipment assemblies, the state of equipment, manometers, safety valves, pumps, automated, alarm and protective equipment and results of the inspection, as well as the shift transfer and acceptance for the servicing of the pressure equipment assemblies and the accessories thereof, except in cases if the manufacturer of the pressure equipment assembly has not provided for such log-book; and

15.9. to stop the operation of the pressure equipment assembly if the use thereof may endanger human life, health, property or the environment, as well as when the technical inspections of the pressure equipment assembly are not performed within the provided for time period.

[19 June 2007]

16. The servicing personnel of pressure equipment assemblies has the following duties:

16.1. in accordance with work instructions and orders and the instructions of the responsible specialist, to comply with all the work safety, fire safety and environment protection requirements when working with the pressure equipment assembly;

16.2. to stop the operation of the pressure equipment assembly and to notify the responsible specialist or the possessor of the pressure equipment assembly if further use of the pressure equipment assembly endangers human life, health, property or the environment, as well as in following cases:

16.2.1. the safety devices of the pressure equipment assembly are damaged;

16.2.2. pressure has increased by 10% above the allowable operating pressure and the measures taken cannot stop the increase thereof;

16.2.3. the level of fluids in fired or otherwise heated pressure equipment assembly is lower or higher that the allowable level;

16.2.4. none of level indicators operates;

16.2.5. burstings, convexities, leakages, leakages in welds, broken stiffening ribs, anchor tubes or gaskets;

16.2.6. the manometer is damaged and it is impossible to determine the pressure with other measurement equipment;

16.2.7. the flame has been extinguished in chamber furnaces of fired or otherwise heated pressure equipment assembly, except for cases when the burner operates in the positional mode;

16.2.8. there is no electric supply for automated control, control equipment, alarm system and automatic safety devices;

16.2.9. fire or a natural disaster has started endangering the pressure equipment assembly;

16.2.10. the mixture of heating fuel and air has exploded in the furnace or smoke flue of a fired or otherwise heated pressure equipment assembly;

16.2.11. circulation of the feed liquid for a fired or otherwise heated pressure equipment assembly through water or fluid heated pressure equipment assembly is below the allowable level;

16.2.12. the pressure of the feed liquid for a fired or otherwise heated pressure equipment assembly in the water or fluid heated pressure equipment assembly does not conform to the allowable parameters; and

16.2.13. [19 June 2007

16.2.14. in other cases provided for in the instructions for the servicing personnel.

[26 April 2005; 19 June 2007]

17. It is permitted to operate a pressure equipment assembly without the presence of the servicing personnel if the pressure equipment assembly is equipped with automatic, alarm and protective devices which ensure the safe use and suspension of operation thereof if deviations of operational parameters from the allowable norm endanger the pressure equipment assembly.

3. Safety Requirements for Use of Pressure Equipment Assemblies

3.1. Location

18. A pressure equipment assembly shall be located in accordance with the manufacturer's instructions provided for in the assembly and operating instructions. The location of the pressure equipment assembly may not endanger the health and safety of persons being present in the vicinity thereof.

19. A pressure equipment assembly shall be secured so as to prevent overturning, arbitrary deviation or tilting. The pressure equipment assembly shall be secured so as inspection, repair and technical maintenance thereof is safe and, if necessary, appropriate platforms and stairs shall be installed.

20. If such substances are stored in an underground pressure equipment assembly which in accordance with the classification determined in regulatory enactments regarding pressure equipment and assemblies thereof conforms to the Group I fluids, the outer casing thereof shall be protected from corrosion and stray electric currents, as well as the pressure equipment assembly shall be located so as to ensure access to the closing devices of the pressure equipment assemblies.

3.2. Equipment

20.1 A pressure equipment assembly in which is stored natural gas or liquefied petroleum gas shall be equipped with an earthing loop. All earthing joins, which are not freely accessible shall be welded. The leakage resistance of the loop may not exceed the following values:

20.1.1. for a pressure equipment assembly electrical equipment at a gas filling station - 4 ohms, protection against static current - 10 ohms, and protection against lightning - 25 ohms; and

20.1.2. for a liquefied petroleum gas pressure equipment assembly - 10 ohms.

[19 June 2007]

21. A pressure equipment assembly depending on the construction thereof and type of intended use shall be equipped with the following equipment:

21.1. safety devices, which protect the pressure equipment assembly from exceeding the allowable parameters of pressure;

21.2. devices for the measurement of temperature, liquid level and pressure;

21.3. gate valves and regulating devices;

21.4. feed devices for fired or otherwise heated pressure equipment assembly; and

21.5. devices for circulation and preparation of the liquid for a fired or otherwise heated pressure equipment assembly.

[19 June 2007]

22. Only such safety devices as are provided by the manufacturer may be used for the protection of a pressure equipment assembly against an increase of pressure above the allowable pressure. The replacement thereof with a different type of safety device shall be deemed to be reconstruction of the pressure equipment assembly.

[19 June 2007]

23. Safety valves shall provide adequate flow capacity during the whole period of use thereof so as the pressure does not exceed the maximum allowable pressure for a long time. If provided by the operating instructions of a pressure equipment assembly, a temporary increase of pressure is permitted of not more than 10% above the maximum allowable pressure.

24. The safety devices of a pressure equipment assembly shall be verified, maintained and serviced in accordance with the manufacturer's instructions in the operating instructions.

25. The safety devices of the pressure equipment assembly during whole period of the use thereof shall ensure timely and safe shut-down of the pressure equipment assembly and the components thereof if, in accordance with the operating instructions, unacceptable deviations from the mode of use of the assembly have occurred.

26. A spring type safety valve during the period of use of the assembly may not be tensioned more than the value specified by the manufacturer of the valve. If the operational environment (for example, temperature) affects the characteristics of the spring material, necessary measures shall be taken to prevent or control such effects.

[19 June 2007]

27. The safety valve and pulse line outlet tubes shall be equipped with appropriate drainage devices at places where the accumulation of condensation is possible. It is prohibited to install locking devices on such drainage devices.

28. Gases, vapour or liquid emerges from safety valves and drainage, shall be removed to a place where they do not affect the safety of persons and the environment. Perform safety and environmental protection measures. It is prohibited to combine emissions containing substances, which in a mixture may form explosive or unstable mixtures or compounds. The drainage of gases, vapours or liquids may not cause counter-pressure.

[19 June 2007]

29. The liquid level gauges of a pressure equipment assembly shall be:

29.1. serviced in accordance with the operating instructions thereof; and

29.2. maintained so as to ensure clear visibility of the indications especially in relation to the maximum and minimum allowable level of the liquid.

30. Manometers of the pressure equipment assembly shall be:

30.1. serviced in accordance with the operating instructions;

30.2. maintained so as to ensure clear visibility of the indications especially in relation to the maximum allowable operating pressure;

30.3. verified in accordance with regulatory enactments regarding the uniformity of measurements and the results shall be appended to the passport of the pressure equipment assembly; and

30.4. protected from freezing.

31. A manometer is unusable if:

31.1. it is not examined in accordance with regulatory enactments regarding the uniformity of measurements;

31.2. the measurement arrow does not return to the zero section after the disconnection of the manometer;

31.3. the deviation of the measurement exceeds half the allowable error value; and

31.4. the glass of the manometer measurement scale is broken or there is other damage that may affect the result of measurement.

[19 June 2007]

32. In order to perform an examination or replacement of the liquid level gauges during the use of the pressure equipment assembly, they may be disconnected from the pressure equipment assembly in accordance with the instructions provided for in the operating instructions.

33. The temperature measuring devices of a pressure equipment assembly shall be:

33.1. serviced in accordance with the operating instructions;

33.2. maintained so as the tank heating speed may be controlled along all its length and height;

33.3. in case of temperature measuring devices of a fired or otherwise heated pressure equipment assembly, installed at the inlet and outlet of the liquid between the assembly and locking devices; the mark of the maximum allowable temperature is clearly visible on the scale of the measuring device for outlet temperature; and

33.4. in case of temperature measuring devices of a fired or otherwise heated pressure equipment assembly, examined in accordance with the procedures specified in regulatory enactments regarding uniformity of measurements, and the results shall be recorded in the passport of the pressure equipment assembly or appended thereto.

34. Locking devices and regulating devices of a pressure equipment assembly shall be:

34.1. serviced in accordance with the operating instructions; and

34.2. maintained so as to ensure the locking or opening of components of the pressure equipment assembly.

34.1 The permitted regulation of the parameters of the automatic equipment of a pressure equipment assembly and protection from exceeding the permitted parameters shall maintained at such a level as has been provided for by the manufacturer of the pressure equipment assembly.

The replacement of the automatic equipment of a pressure equipment assembly with a different type of automatic equipment shall be deemed to be reconstruction of the pressure equipment assembly.

[19 June 2007]

3.3. Designations of Pressure Equipment Assemblies

35. The possessor of a pressure equipment assembly shall ensure that the registration number of the pressure equipment assembly, operational pressure determined by the manufacturer, as well as the date of the next internal and hydraulic examination is indicated on the pressure equipment assembly in a visible place (the height of the signs shall be not less than 50 mm).

3.4. Repair or Reconstruction

36. Replacement of basic components of a pressure equipment assembly without changing the construction and technical specifications of the equipment (hereinafter - repair), or welding of the components thereof the limit values of which are utilised in calculations of strength, as well as the change of construction or operational parameters of the pressure equipment assembly (hereinafter - reconstruction) is permitted taking into account the essential safety requirements specified in regulatory enactments regarding pressure equipment and the assemblies thereof.

[19 June 2007]

36.1 A possessor after repair or reconstruction prior to the recommencement of use of the pressure equipment assembly shall ensure an extraordinary inspection.

[19 June 2007]

37. Only such welders are permitted to weld components of a pressure equipment assembly who have certified their competence in fulfilment of such work in conformity with the requirements specified in regulatory enactments regarding the certification of the level of professional qualification of welders of metal materials and defectoscopists in the regulated sphere.

38. The elements and welded joints of a pressure equipment assembly shall be verified in conformity with the applicable standards by non-destructive inspection methods only by such laboratories as are accredited in accordance with the procedures specified in regulatory enactments regarding the accreditation of testing and calibration laboratories and certification and inspection authorities.

[26 April 2005]

39. Repair or reconstruction of a pressure equipment assembly may be commenced only when the possessor thereof has issued the written order (permit) referred to in Sub-Paragraph 13.5 of these Regulations.

40. Prior to the commencement of repairs or reconstruction, a pressure equipment assembly shall be disconnected from pressure, temperature, liquid, vapour and gas sources.

41. Stiffening plates of appropriate strength shall be placed between the joining tubes with flange joints of the pressure equipment assembly. The locking plate shall have an appropriate bump to be distinguished from gaskets.

42. Pipelines of the pressure equipment assembly without flange joints shall be locked with two locking devices with a drainage line between them which is directly connected to the atmosphere.

43. All data regarding repairs or reconstruction of the pressure equipment assembly, as well as regarding examinations performed in relation to repair or reconstruction shall be documented and appended to the passport of the pressure equipment assembly.

4. Technical Inspections of Pressure Equipment Assemblies

43.1 Technical inspections of pressure equipment assemblies are the following:

43.1.1. initial technical inspection - an inspection prior to the registration of the pressure equipment assembly with the State labour Inspection;

43.1.2. regular technical inspection - an inspection of the pressure equipment assembly during its use; and

43.1.3. extraordinary technical inspection - an inspection, which is performed in the cases referred to in Paragraph 56 of these Regulations.

[19 June 2007]

43.2 The initial technical inspection of a pressure equipment assembly shall include the following activities:

43.2.1. inspection of the data indicated in the passport of the pressure equipment assembly in order to determine its conformity to manufacturer's instructions and the requirements specified in these Regulations; and

43.2.2. external technical inspection of the pressure equipment assembly and, if necessary, internal technical inspection and hydraulic inspection.

[19 June 2007]

44. Regular technical inspections of a pressure equipment assembly are as follows:

44.1. an internal technical inspection to determine the state of components of individual pressure equipment and the assembly, to determine cracks, convexities and corrosion on internal and external surfaces, damage to welded, riveted, rolled joints and joints with screws and gaskets, as well as other damage that may cause the collapse of the pressure equipment assembly

44.2. hydraulic inspection to determine the strength of the pressure equipment assembly, density of elements and the joints thereof. The hydraulic inspection shall be performed only after positive results of external and internal inspections. The hydraulic inspection shall be performed to a pressure equipment assembly, except for the safety devices thereof; and

44.3. an external technical inspection including verification of the operation of the pressure equipment assembly in order to determine the state of the pressure equipment assembly and the equipment thereof, safety devices, automatic devices, measuring equipment, feed devices and equipment for the preparation of fluids and conformity of placement with the instructions of the manufacturer, these Regulations and operation mode.

[19 June 2007]

45. An inspection authority in accordance with the requirements of applicable standards and that specified in this Chapter shall perform the initial technical inspection, regular technical inspections of a pressure equipment assembly, as well as extraordinary technical inspections in the cases specified in Paragraph 56 of these Regulations on the basis of an order by the possessor or the authorised representative thereof.

[26 April 2005; 19 June 2007]

45.1 During the hydraulic inspection of a pressure equipment assembly, the inspection authority shall seal the safety devices.

[26 April 2005]

46. The possessor of a pressure equipment assembly has a duty to ensure regular technical inspections of the pressure equipment assembly:

46.1. external technical inspection - after the registration of the pressure equipment assembly with the State Labour Inspection and not less frequently than once every year in the future;

46.2. internal technical inspection - within the time period specified by the manufacturer, but not less frequently than once every four years; and

46.3. hydraulic technical inspection - within the time period specified by the manufacturer, but not less frequently than once every eight years.

47. The content of a technical inspection of a pressure equipment assembly in which liquid petroleum gas is stored shall be determined in accordance with the requirements of applicable standards. Hydraulic or internal inspections shall be performed not less frequently than once every 12 years.

[26 April 2005]

48. For pressure equipment assemblies, which are isolated with vacuum and intended for the storage of cryogenic gases, as well as refrigerator plants and heat pumps, the content and periodicity of technical inspections shall be determined in accordance with the applicable standards.

[19 June 2007]

49. Taking into account the technical state of the pressure equipment assembly and period of use (service), the inspection authority has the right to provide for regular technical inspections more frequently than provided for in Paragraphs 46 and 47 of these Regulations.

[26 April 2005; 19 June 2007]

50. Taking into account the conditions of use of the pressure equipment assembly and the instructions of the manufacturer provided for in the operating instructions, the inspection authority has the right to replace the hydraulic inspection specified in Sub-paragraph 44.2 of these Regulations with a pneumatic inspection in compliance with the necessary safeguards.

[26 April 2005]

51. Components of an pressure equipment assembly which are not accessible for internal and/or external technical inspection shall be assessed in accordance with the manufacturer's assembling and operating instructions which specify the methods, extent and regularity of the inspections.

52. Prior to an internal technical inspection it is necessary to cool and neutralise the pressure equipment assembly, to clear it of scale, soot, slag and other deposits that hinder the performance of the inspection. It is necessary to disassemble internal components of a pressure equipment assembly, which hinder the performance of the inspection.

53. The pressure and time for a hydraulic (pneumatic) inspection of a pressure equipment assembly shall be determined by the manufacturer taking into account that:

53.1. the test pressure may not be less than

PT = 1.25 PS x Rm/20/Rm/t, where

Rm/20 - the minimum value of ultimate strength of a pressure equipment assembly at 20°C;

Rm/t - the ultimate strength of a pressure equipment assembly at the calculation temperature; and

53.2. the test period during which the test pressure is maintained may not be less than 10 minutes.

54. If the manufacturer has not determined over how long a time the test pressure is reached, the pressure in the pressure equipment assembly shall be increased slowly and steadily.

55. In performing a hydraulic inspection of a pressure equipment assembly, it is prohibited to use compressed air or gas for increasing the pressure.

56. An emergency technical inspection of a pressure equipment assembly is necessary in the following cases:

56.1. after re-assembly of the pressure equipment assembly related to the transportation of the pressure equipment assembly to another location (to be applied only to a registered pressure equipment assembly);

56.2. after the repair of a pressure equipment assembly after reconstruction;

56.3. after damage to the seals of the safety devices of the pressure equipment assembly; and

56.4. upon a reasoned request of an official of the State Labour Inspection.

[19 June 2007]

57. The extent of an emergency technical inspection shall be determined by the inspection authority.

[26 April 2005]

58. [19 June 2007]

59. [19 June 2007]

60. [19 June 2007

[26 April 2005; 19 June 2007]

61. If during a technical inspection of the pressure equipment assembly, the inspection authority determines defects or features that indicate regarding the decreased strength or functional safety of the pressure equipment assembly, it shall evaluate the possibility of operating the pressure equipment assembly by decreasing the parameters (pressure, temperature).

[26 April 2005]

62. After the performance of the technical inspection, the inspection authority shall write an opinion in the passport of the pressure equipment assembly and draw up a protocol of the technical inspection in two copies. The inspection authority shall issue one copy of the protocol of the inspection to the possessor of the pressure equipment assembly, but it shall keep the other copy for not less than 10 years after the day of the inspection.

[26 April 2005]

63. If the result of a technical inspection is positive, the inspection authority shall affix in a visible place upon the inspected pressure equipment assembly (next to the data plate of the manufacturer of the pressure equipment assembly or the designated place referred to in Paragraph 35 of these Regulations) a dangerous installation safety inspection sign.

[26 April 2005; 19 June 2007]

64. If the inspection authority during the inspection determines non-conformity of the pressure equipment to the requirements specified in these Regulations, the possessor of the pressure equipment assembly has a duty to rectify the non-conformity within a month and to invite the inspection authority for the performance of a repeat inspection.

[26 April 2005]

65. If after a repeat inspection, the pressure equipment does not conform to the requirements specified in these Regulations or endangers human life, health or the environment, the inspection authority shall immediately warn the possessor of the pressure equipment assembly thereof and notify the State Labour Inspection, as well as the State Environment Inspection, in case of a threat to the environment, the State Energy Inspection, in case of a threat to the energy supply, and the State Fire-fighting and Rescue Service, if an increased risk of fire is determined, and within a one-day period send a copy of the inspection protocol to the referred to authorities.

4.1 Supervision and Control of Pressure Equipment Assemblies

[19 June 2007]

65.1 The supervision and control of pressure equipment assemblies shall be performed by the State Labour Inspection, supervising and controlling in order that the pressure equipment assemblies to which the requirements of these Regulations apply shall be used only after the registration thereof with the State Labour Inspection.

[19 June 2007]

65.2 The operation of pressure equipment assemblies in trial mode, performing regulating work after the installation, repair or reconstruction thereof shall not be deemed to be use of the pressure equipment assemblies.

[19 June 2007]

65.3 The State Labour Inspection in performing supervision and control of pressure equipment assemblies during its use shall cancel the use licence and make a relevant record in Chapter X of the passport of the pressure equipment assembly if:

65.3.1. the possessor within the period of one year has been again fined for the violation of regulatory enactments regulating the technical supervision of dangerous equipment;

65.3.2. the possessor has not assigned a responsible specialist in accordance with Sub-paragraph 13.2 of these Regulations;

65.32.3. technical inspection of the pressure equipment assembly has not been performed according to the procedures specified in Chapter 4 of these Regulations; or

65.3.4. an inspection protocol has been received in the cases specified in Section 12 of the Law On Technical Supervision of Dangerous Equipment.

[19 June 2007]

65.4 The State Labour Inspection in performing supervision of pressure equipment assemblies during its use shall notify the Latvian National Accreditation Bureau regarding determined violations, which have been allowed by inspection authorities in relation to the fulfilment of the obligations specified in the Law On Technical Supervision of Dangerous Equipment.

[19 June 2007]

5. Closing Provisions

66. Cabinet Regulation No. 240 of 12 June 2001, Procedures for Technical Supervision of Pressure Equipment (Latvijas Vēstnesis, 2001, No. 93) is repealed.

67. Passports of such pressure equipment assemblies that are in use up to the day of the coming into force of these Regulations shall be registered with the State Labour Inspection by 1 January 2005 in conformity with the requirements of these Regulations.

68. Safety devices of such pressure equipment assemblies, which are in use up to the day of the coming into force of these Regulations, shall be sealed by 1 May 2004.

69. Cabinet orders regarding authorisation of authorities to perform the inspection of pressure equipment in conformity with the requirements specified in Cabinet Regulation No. 240 of 12 June 2001, Procedures for Technical Supervision of Pressure Equipment are in force up to the end of the term of validity of the certificate of competence issued by the Latvian National Accreditation Bureau, but not longer than by 1 January 2005.

69.1 The requirement referred to in Sub-paragraph 5.1.1. of these regulations to perform accreditation in accordance with the standard LVS EN ISO/IEC 17020:2005 "General criteria for the operation of various types of bodies performing inspection" shall come into force on 1 June 2005. Up to 31 May 2005 accreditation shall be performed in accordance with the standard LVS EN 45004:1995 "General criteria for the operation of various types of bodies performing inspection".

[26 April 2005]

69.2 Inspection authorities, which have been accredited in accordance with the standard LVS EN 45004:1995 "General criteria for the operation of various types of bodies performing inspection" are entitled to perform technical supervision of pressure equipment assemblies up to the end of the time period indicated on the accreditation certificate.

[26 April 2005]

70. These Regulations shall come into force on 1 January 2004.

Prime Minister E. Repše

Minister for Welfare D. Staķe

 

Annex
Cabinet Regulation No. 518
16 September 2003

Specimen of Passport for Pressure Equipment Assemblies

(passport cover)

 

(name of the pressure equipment assembly)

PASSPORT

(first page)

 

(state of manufacture of the pressure equipment assembly)

 

(name of the manufacturer)

 

(name, type, model and classification of the pressure equipment assembly)


Number of the pressure equipment assembly assigned by the manufacturer  

(new page)

I. General Provisions

1. Manufacturer and address thereof  
 
2. Year of manufacture of the pressure equipment assembly  
 
3. Type, model and classification of the pressure equipment assembly  
 
4. Resource of the pressure equipment assembly  
 

(new page)

II. Characterisation of the Pressure Equipment Assembly

5. Year of installation of the pressure equipment assembly  
6. Maximum allowable pressure PS (bar) of the pressure equipment assembly  
7. Maximum allowable temperature TS (°C) of the pressure equipment assembly (if the pressure equipment in the composition of the assembly have different maximum allowable temperatures, the maximum allowable temperature of each individual component shall be indicated)  
8. Volume of the pressure equipment assembly V (l)  
9. Output of the pressure equipment (MW)  
10. Test pressure PT (bar) of the pressure equipment assembly  
11. Electricity supply voltage (V)  
12. The intended purpose of use  
13. Maximum filling ratio (kg/l)  
14. Maximum filling mass (kg)  
15. Group and characterisation of fluids  
16. Mass of the pressure equipment assembly (kg)  

17. Indicate the documents appended to the passport (for example, the functional operational scheme of the pressure equipment assembly, the schematic circuit diagram of electric equipment installed to the pressure equipment assembly, the placement diagram for the pressure equipment assembly in the particular place of installation which has been developed in specific scale and which indicates distances to other constructions - structures, equipment, delimitation areas, drawings of the assembly of a pressure equipment assembly in which are indicated the borders of the assembly and specifications of components included in the assembly, copies of the declaration of conformity and the certificate of conformity of the pressure equipment assembly).


Manufacturer (installer) of the pressure equipment assembly  
 

(signature and full name)


Date

Place for a seal

(new page)

III. Information regarding Safety Devices

Type and name of the manufacture of the safety device

The number assigned by the manufacturer

Quantity

Place of installation

Cross-sectional area of the valve (mm2)

Flow coefficient

Initial opening pressure and the range of initial opening pressure (bar)

1

2

3

4

5

6

7

             
             

(new page)

IV. Information regarding Power, Liquid Circulation and Preparation Devices

Type of device

Name of manufacturer of the device

Number of devices

Maximum allowable liquid temperature at the inlet of the feeding pump (°C)

Parameters of the device

Input type (for example, vapour, electrical)

Nominal feed

Pressure at nominal feed (bar)

             
             

(new page)

V. Information regarding Burners

Burner type and name of the manufacturer

Type of the burner (for example, gas, chip, coal powder)

Nominal power (output) kW

Place of installation

Number of burners

         
         

(new page)

VI. Information regarding Liquid Level Gauges

Type of liquid level gauge

Number of liquid level gauges

Place of installation of the liquid level gauge

     
     

(new page)

VII. Information regarding Gate Valves

Name

Type of the gate valve

Characteristics

nominal size of the pressure equipment connections DN (mm)

nominal pressure PN (bar)

material of the casing

place of installation

quantity;

             
             

(new page)

VIII. Information regarding Measuring, Inspection, Signalling, Regulating and Automatic Protection Equipment

Name of equipment

Manufacturer

Number of equipment

Type of equipment

Place of installation

         
         

(new page)

IX. Main Components of Pressure Equipment Assemblies

Name of the pressure equipment and position in the assembly scheme

Characteristics of pressure equipment

name of the manufacturer and year of manufacturing

maximum allowable pressure PS (bar)

maximum allowable temperature TS (°C)

volume V (l) or nominal size of the pressure equipment connection DN

category

information regarding conformity assessment procedures performed

             
             

(new page)

X. Information regarding Location of Pressure Equipment Assemblies

Possessor of the pressure equipment assembly

Location of the pressure equipment assembly

Date of installation

     
     

(new page: not less than 5 pages shall be provided for entries of the relevant data)

XI. Specialist Responsible for Technical State of the Pressure Equipment Assembly

Number and date of issue of the order

Position, name and surname

Signature of the responsible specialist

1

2

3

     
     

(new page: not less than 10 pages shall be provided for entries of the relevant data)

XII. Information regarding Repair, Reconstruction of the Pressure Equipment Assembly and Replacement of Devices

Date

Repair, reconstruction of the pressure equipment assembly and replacement of devices

Signature of the responsible specialist

1

2

3

     
     

(new page: not less than 10 pages shall be provided for entries of the relevant data)

XIII. Information Regarding Inspections Performed and Adjustment of Safety Devices (completed by the inspection authority)

Date of inspection

Results of inspection

Date of the following inspection

1

2

3

     
     

(new page: not less than 15 pages shall be provided for entries of the relevant data)

XIV. Registration of the Pressure Equipment Assembly

The pressure equipment assembly has been registered with the State Labour Inspection with No.  
The passport has   numbered pages, Annexes of   pages
Total   sewn pages
 
(Position, name and surname of State Labour Inspection official)

Place for a seal

Date  

Instructions for Completion of the Passport

1. If necessary, the passport shall be supplemented with new columns and particular information regarding the pressure equipment assembly.

2. Recommended passport format is 218 x 290 (210 x 297) mm.

[26 April 2005]

Minister for Welfare D. Staķe

 


Translation © 2008 Tulkošanas un terminoloģijas centrs (Translation and Terminology Centre)

 
Document information
Title: Spiedieniekārtu kompleksu tehniskās uzraudzības kārtība Status:
In force
in force
Issuer: Cabinet of Ministers Type: regulation Document number: 518Adoption: 16.09.2003.Entry into force: 01.01.2004.Publication: Latvijas Vēstnesis, 129, 19.09.2003.
Language:
LVEN
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