The Republic of Latvia Cabinet of Ministers Regulations No. 411 in Riga 2000 of 28 November (pr. Nr. 56, 15. §) rules on the Latvian et seq of the LBN 208-00 "public buildings and structures" are Issued in accordance with article 2 of the law on construction of the fourth part 1. these provisions confirm the Latvian et seq of the LBN 208-00 "public buildings and premises".
2. the buildings and premises of the public building project of a validly accepted up to 2000 31 December and for which technical solutions are compliant with the applicable period under the requirements of the law, a construction documentation processing according to the Latvian et seq of the LBN 208-00 "public buildings and structures" requirements is not mandatory.
3. Regulations shall enter into force by 1 January 2001.
Prime Minister a. SMITH of environmental protection and regional development Minister v. Makarova rules enter into force by 1 January 2001, approved by the Cabinet of Ministers of 28 November 2000 regulations No 411 Latvian et seq of the LBN 208-00 "public buildings and structures" 1. General questions 1 et seq, the terms: 1.1.-non-residential space in which the work process and which do not provide for visitor residence;
1.2. learning space-a living room, in which the learning process (for example, class, audience, Learning Lab);
1.3. public building or building-a building or structure, in which more than 50% of the building or premises total area is public rooms;
1.4. the public space-not the public living space where you can temporarily stay and receive different services to visitors (such as viewers, patients, clients, customers, passengers);
1.5. public events-available to the public in various kinds of open shares (for example, events, shows, concerts, sports, exhibitions).
2. This requires new et seq of the public buildings and premises (hereinafter public building) design, existing public buildings reconstruction or renovation design, to the extent not in conflict with the law "On the protection of cultural monuments, as well as for the design of public space in industrial buildings and other structures. Et seq does not apply to small architectural forms-kiosk, public transport stops, open shelters, payphone booths-and other small and temporary structures design.
3. public building project in accordance with the construction law, the Cabinet of Ministers on 1 April 1997 of Regulation No. 112, "General provisions", other laws and the relevant territory et seq, planning and building regulations, planning and architectural task conditions, as well as respecting the design task.
4. If a public building is intended to be used otherwise, its project according to the requirements of the respective et seq.
5. public buildings and premises used for determine the Subscriber in accordance with Cabinet of Ministers on 1 April 1997 of Regulation No. 112, "General provisions" and this et seq.
6. When designing public rooms, separate parts of the building reconstruction or renovation plan and related functional changes affect all the buildings operation and need to change the design of the premises, building engineering supply network diagram or external appearance of the building (e.g. separate window changes column separations, which differs from the rest of the building's facade elements), a construction in the development, correcting it, and confirm the entire building, the whole in accordance with Cabinet of Ministers on 1 April 1997 of Regulation No. 112, "General provisions".
7. Designing reconstruction or renovation of a building, this public space set out in et seq of the minimum size may be reduced by not more than 5%, but the space orientation to orientation may change for no more than 10%.
 
2. Public buildings the main characteristics 2.1. Number of floors 8. Number of floors in the public building depends on the intensity of building land and the building height restriction for the municipal planning (master plan), which is defined in a detailed or a more detailed planning and architectural task, considering that 5 et seq requirements set out in the annex.
9. in all floors above ground floor, plinth storey, also mansard floor (built in the attic) and technical floor, as well as penthouse, if it provides for constructing fixed facilities. Not built in the attic floor is excluded.
10. If the public parts of the building have a different number of floors or buildings located in the land of variable terrain floor shall be determined separately for each part of the building and the largest figure specified in the accounts.
2.2. Building the intensity and floor area 11. Building intensity determines the percentage (%) as the amount of surface area of standing against a land area. Floor area in square metres (m2) determines the public buildings within the outer perimeter.
2.3. Building area 12. public buildings building area in square metres (m2) is determined as the area of the level of the CAP, which limits the outer perimeter of the building, including protruding parts. Building area including the area under buildings and parts of the building, located on the columns, caurbrauktuvj area under the buildings, as well as the area under the porch, terraces and external staircase.
2.4. Būvtilpum 13. public buildings būvtilpum determined in cubic metres (m3), summing up the surface of the building and the underground part of the volume between the delimiting the external surfaces of the structure. Būvtilpum excludes the airspace under buildings or parts of buildings, built on columns, as well as the volume of caurbrauktuvj, porch, patio, and external stairs and open the volume of architectural details and design elements of the projection.
2.5. The total area of 14 public buildings. the total area in square metres (m2) is determined as the sum of all the spaces of the building floors area between the inside surfaces of the walls, including the basement and attic floor. The total area is excluded in the attic (the technical attic), technical underground, open spaces and external staircase. The landing of all or part of the area including its floor area, from which a staircase led upward.
15. Public building built using different rooms (such as residential, industrial) of the area (including basement and attic floor) is calculated according to the respective legislative requirements.
2.6. the space area 16. premises of the area in square metres (m2) is calculated by determining the size of the wall surfaces between the finished floor level (without skirting). Room area includes the built-in wardrobe. The room area is excluded in part room under the internal staircase and low sloping structures placed, in the case where the relevant part of the height from the floor to the bottom of the design surface is less than 1.8 m, as well as areas occupied by fixed heating stoves.
2.7. Outdoors area 17. public building outdoors-balcony, Loggia, porch and patio-area in square metres (m2) is determined as the area bounded by delimiting the inner surface of the structures.
 
3. Design requirements 3.1 the site (building) 18. public building projects in need of land (building land) design, which shows the siding, vehicle parking and free territory land facilities according to the requirements of the Latvian et seq.
3.2. Stand 19. Floor area between the type 1 fire resistant walls, according to the Latvian et seq "fire safety rules" (hereinafter-LBN 201-96) is independent of the public buildings of the functional group (annex 1), the degree of reaction and floors. Floor area shall not exceed this 5 et seq. table 1 of the annex.
20. Public rooms minimum height from floor to ceiling is 3 m (reconstruction or renovation project-not less than 2.5 m), except for the rooms, which are laid down in this et seq requirements.
21. Basement minimum height from the floor to the ceiling is not less than 2.1 m. 22. Public building or part may be to design an underground level in accordance with the design task and the relevant national supervisory authorities the technical rules of the underground construction.
23. Floor, below or above the public spaces, as well as public buildings basement and ground floor of the CAP may not be in the warehouse or manufacturing space for explosive substances and material storage or operation on them.
3.3. lighting Public spaces 24 provides natural light through the Windows in the exterior walls or skylights roof covering, as well as artificial lighting under the appropriate hygiene requirements. Natural light can not provide toilets, sanitary rooms and shower facilities, as well as in other people's short stay in rooms where it is necessary for the appropriate use of space and design conditions of the task.
25. Space window orientation orientation of the project according to the annex 3 of the et seq.
3.4. Room Acoustics and noise insulation 26. in order to ensure the necessary acoustics and choose the appropriate finishing materials when designing the rooms and spaces designed for public measures by the acoustic calculation.
27. Sound insulation parameters, as well as the permissible noise levels determined in accordance with the regulatory requirements for protection from noise.
3.5. Staircase pandus (slope without steps), ascents and transition 28. Ladders, escape routes and exits, as well as the escalator and sliding surface shall be constructed in accordance with the requirements of LBN 201-96.

29. Staircases designed type 2 fire doors equipped with self-closing devices and compressing the piedurlīst.
30. The step number one ladder in the release may not be less than three and not more than 18, and one ladder must be placed in different height risers.
31. the distance between the stairs to let be taken no less than 0.1 m.. landing of Some 32 projects without level, lauzum length (depth) adopted no less than building the necessary wider exits, but width-not less than the width of the staircase.
33. Ladder starplaukum (podium) length constructed no less than 1.2 m, but width-not less than the width of the release of the stairs.
34. the internal width of the ladder placed adopted no less than the most visited stand in the front door to the staircase. The internal stairs to let the width of the project in accordance with the requirements of LBN 201-96, but not narrower than the 34.1.: 1.35 m, if the floor at the same time you can stay in more than 200 people, but the cultural and medical institutions-regardless of the number of visitors or the number of floor space;
21.3. not less than 1.20 m, if the floor at the same time you can stay more than five people and a maximum of 200 people, but the cultural and medical evacuation of the institutions which are not related to visitor or patient flows-regardless of the number of people;
21.3. no narrower than 0.90 m, if the floor at the same time can stay no more than five people.
35. The step height of the evacuation routes are between 12 and 18 cm. Step width and height of the two amounts must be from 60 to 63 cm. 36. If the stairs from the basement or plinth storey is the exit to the first-floor lobby, all evacuation necessary surface floor staircase that LBN 201-96 provide for evacuation of people, except the exit to the lobby, referred to the need for additional output directly to the outside.
37. With railings or other containment structures, which is not less than 0.9 m, shall be provided: 37.1. public space where part of the floor level difference in the vertical plane is larger than 0.45 m; 37.2. external and internal stairs and the pandus if they connect the space where the floor level difference in the vertical plane is larger than 0.45 m. 38. Staircase inclination ratio between height and length of the evacuation routes is not greater than 1:2 except the sports premises, where the slope of the ladder stands relation can be no greater than 1:1.6.39. external ramp expansion ratio between the height and the length of the pedestrian paths should not exceed 1:8 (13%), but the roadway used by wheelchair users, – 1:12 (8%).
40. minimum pandus (ramp) the width of the wheelchair users are m 1.2.41. Indoor pandus expansion ratio between the height and the length must not exceed 1:6 (17%), but the roadway used by wheelchair users, – 1:12 (8%), hotel and sanatorium numbers-1:20 (5%).
42. the limit of the reaction transition structures between public buildings should be not less than the fire safety of buildings. Pedestrian and tunnels, as well as the communications building, which faced with them, projects from non-combustible materials, fire resistance limit which is not less than 120 minutes. The walls leading to the passes and tunnels constructed type 2 fire doors.
43. external fire stairway horizon according to the requirements of LBN 201-96 and its deployed along the perimeter of the building (except the main façade) not more than 150 m away from each other.
44. Depending on public buildings fire protection grade (if this is not specified in the et seq requirements specific to the respective public building functional group) means of escape width of corridors (corridor) or in the Foyer to the landing of the stairs, as well as let the width of the design, calculating the number of people evacuated to 1 m width: 44.1 of the door not more than 165 people – 1 and 2 the degree of fire protection in buildings;
44.2. not more than 115 people-3., 4. and 3. (b) the degree of fire protection in buildings;
27.5. up to 80 people-5, 3A and 4. (a) the degree of fire protection in buildings.
45. The way out of the basement or plinth stands on the common stairwell for the evacuation of people from the surface floor, basement floor, plinth and delimit with type 1 fire resistant bulkheads across the floor or down the exit through the windscreen of the reaction. Calculating people evacuation from the basement or plinth floor, the staircase that connects the basement, the CAP floor and the first floor and the exit to the corridor (the corridor), the hall, first floor Foyer or other fitting rooms, excluded from the calculation.
46. the Evacuation routes must not be fitted with internal spiral staircase. Can be fitted with internal curvilinear staircase if it led to the premises, which constantly staying no more than 25 people, and the outer circular staircase that the step width the narrowest place not less than 0.22 m. 47. Depending on public buildings fire protection degree the second means of escape from the third-floor of the building (except schools, boarding schools, institutions for children with physical and mental disabilities, 3., 4. and 5. fire safety grades pre-school educational institutions , social care institutions, medical and social rehabilitation institutions as well as hospital treatment services) can be external stairs, the slope of which educational institutions occupied by not more than 45 °, but the other buildings-60 °. Re or renovēj a public building, the external staircase inclination allowed to increase up to 75 °. The width of the ladder is not less than 0.8 m, step width-not less than 0.2 m. landing capacity is determined depending on the number of people evacuated: 29.3. seventy people-1., 2., and 3. the degree of fire protection in buildings;
47.2. fifty people-3 a and 3 b of the degree of fire protection in buildings;
47.3. thirty people-4, 4A, and 5. the degree of fire protection in buildings.
48. If you access external open staircase from the roof in the expected matching (also from a staigājam roof) or open external galleries, its structural design of non-combustible materials, which fire resistance limit is not less than 30 minutes.
49. One internal ladders 1 and 2 the degree of safety in public buildings can be open to the ninth floor where the staircase is separated from adjacent corridors (corridors) and other premises with type 1 fire resistant bulkheads. If the entire building is in the automatic fire-fighting equipment, the staircase is not necessary to separate them.
50. the internal ladder 1, 2, and 3. the degree of fire safety in public buildings can be loose from the lobby up to the third floor, where the lobby, hall, or lobby is separate from the corridor and other rooms with a type 3 fire shelter, type 1 fire resistant bulkheads and type 2 fire door.
51. commercial buildings, as well as catering company 1, 2, and 3. the degree of fire protection in buildings (annex 1-6.2) staircase leading from the first floor to the third floor or from the basement and the CAP floor to the first floor, can be open even if there is no lobby. If the stairs are open, people escape through these steps in the calculation may include half of the expected number of customers in the grass. The rest of the shoppers and employees evacuation made for not less than two closed staircases.
52. One way out of public buildings (apart from the building's functions) can lead directly to the lobby, wardrobe, some in the hall or Foyer that connected with open staircase. Cap floor or basement, which designed lobby, wardrobe, toilet, smēķētav, or may provide an open staircase to the first floor.
53. The theatre building block of viewers (viewers available) can be an open staircase and not less than two closed staircases to exit to the attic and roof. Evacuation estimates include the open staircase from the hall floor level up to the next floor the floor level. The next block of viewing floors of rooms provides isolated escape routes leading to the closed staircases.
54. The theater scene in the utility room of the building block required at least two closed stairs staircase with natural lighting or emergency smoke extraction, which is output to the attic and roof.
3.6. construction and decoration projects in public buildings 55. tempered glass in light-proof bulkheads and box fill according to LBN 201-96.
56. The glass containment structures (such as glass, doors) are visually apparent. Children's institutions and institutions for persons with mental disability by the glass structures shall be provided with supplementary boundaries up to 1.2 m height from the floor level.
57. The premises intended to be split with transformational walls, evacuation routes require separate from each of the enclosed parts.
58. General fire safety requirements for the design of the room decoration LBN 201-established 96.59. Wall and ceiling finishes the project: from difficult 59.1. combustible or non-combustible materials-public events halls with more than 50 seats, as well as theatre halls regardless of the number of seats on the grass;
59.2. only from non-combustible materials-preschool music education and sports halls and the relevant evacuation routes, public event halls with more than 500 seats, as well as a library book stores, catalogs and archives.
60. Theatre, the people's House and the Club's building Division and the load-bearing structures located above the stage and audience halls, constructed of non-combustible materials.

61. The inclination of the structure into the stalls and balcony design from non-combustible materials. The space underneath those structures distributed in separate sections, area is not larger than 100 m2 which can be monitored from the inside.
62. Scene Tablet (horizontal plane) its structural design of non-combustible materials. The design of the cover may be of hard burning materials.
63. Piekargriest frames and pildmateriāl need this 1 et seq., annex 4 and 5 point in these buildings: 39.2. from non-combustible materials – halls with more than 500 spectators place;
39.3. from hard combustible materials – halls containing 500 and less viewer location.
64. Piekargriest socket where intended for installation speakers, lighting fixtures, and other equipment from the top of the guard with non-inflammable covers that fire safety is not less than 30 minutes.
65. The stage lighting space, which is located above the audience halls, separated from the rest of the space with a type 1 fire resistant bulkheads, but box-in accordance with this paragraph 159 et seq requirements.
66. Bearing a design enclosed sports structures with fixed bleachers constructed: 66.1. materials from fire, if the grass is more than 500 spectators place;
66.2 from non-inflammable or hardly flammable materials, fire resistance limit which shall not be less than 60 minutes, if the grass is from 300 up to 500 spectators;
66.3. use permitted combustible material in the fixed-bearing tribīņ, if the seats in the stands less than 300 67. Translation of the tribīņ. load-bearing structural fire resistance limit regardless of the number of seats is not less than 30 minutes.
68. Cover the sports structures of seats should not be tribīņ to design of materials which emit combustion process toxic substances.
 
4. accessibility of public buildings for persons with disabilities 69. public building constructed in the territory of non-slip solid coverage dedicated tracks and provides access to buildings for persons with disabilities, wheelchair and wheelchair users, noting that the movement path width is not less than 1.2 m. 70. Persons with disabilities, wheelchair and wheelchair users convenient access and mobility in public buildings, as well as suitable accessories in separate premises (for example , hotel rooms, toilets).
71. Persons with Visual or hearing impairments in public buildings provide chances to get the audio or Visual information.
72. Public building entrance, elevator and priekšlaukum approaches, as well as other visitors to the space available in the draft without thresholds. If between rooms or between the building and the sidewalk is level difference, need pandus (ramp).
73. the windscreen, which is expected to use a wheelchair and wheelchair users, the project at least 1.5 m long (deep) and 2.2 m wide.
74. Visitors-wheelchair-accessible corridors project at least l, 8 m wide and doors-at least 1.2 m wide.
75. Public buildings higher than one floor which can be used with motion disabilities or whose construction wholly or partly intended for State or local funds, wheelchair and wheelchair users provide at least one passenger elevator or conveyor ramps serving all floors.
76. the minimum elevator cab size, regardless of the number of floors in the building is 1100 mm x 1400 mm (square 1.54 m2).
77. Each floor shall be provided with at least one of the men and women lavatories available wheelchair users.
78. the wheelchair user toilet facilities for a minimum width not less than 1.6 m, but the minimum length-not less than 1.8 m. 79. Wheelchair users in shower rooms provided for the minimum width and length is not less than 1.7 m.
 
5. requirements for space design 5.1. Wardrobe 80. If the public building project in the wardrobe, which is separate from the lobby floor or basement of the CAP, the total width of the escape route of the wardrobe is calculated a number of people, which corresponds to 30% of the total number of wardrobe space.
5.2. Corridors (corridors) 81. Corridors (corridors) width provide appropriate LBN 201-96, but not less than 1.8 m-rooms available to visitors and not less than 0.9 m-staff and other facilities.
82. Corridors (corridors) provide for adequate ceiling height LBN 201-96, but not less than 2.2 m. 83. If the corridors (corridors) is longer than 60 m (stationary medical institutions-more than 42 m), it is divided into sections by type 2 fire resistant bulkheads, the doors of which are fitted with self-closing devices and compressing the piedurlīst.
84. The corridors with no natural light, provides emergency smoke discharge according to requirements of LBN 201-96.
5.3.85. Elevator Lobby elevators to the depth of the project at least 1.3 times the depth of the elevator cab, but if several elevators located opposite each other,-more than twice the lowest depth of the elevator car.
86. the freight elevator lobby area is: 53.5. not less than 7 m2-lifts with a load capacity of up to 2 t;
86.2. not less than 8 m²-lifts with capacities above 2 t. 87. Exit from the elevator floor and the basement of the CAP project through the elevator hall or fire windscreen, separated by type 1 fire resistant bulkheads.
88. The elevator hall and fire we designed windscreen type 2 fire doors equipped with self-closing devices and compressing the piedurlīst.
89. The way out of the elevator and motor ramp to the warehouse for flammable and explosive substances and material storage and handling projects through the windscreen of the reaction.
90. Fire lifts designed according to the requirements of LBN 201-96.
5.4 working spaces in the public building 91. workspace area for one employee in the project according to the requirements and standards of hygiene, but no less than 4.8 m2.
92. the evacuation routes away from the door to the most remote areas (preschool educational institutions-from space to exit out to the outside or to the landing area) must not be greater than this annex 5 et seq table 8:57.2. in pre-school educational establishments-appropriate 6. aisle;
92.2. mainstream schools, special secondary education in music and art schools, vocational schools and other schools, boarding school and bērnunamo (only the classroom), as well as colleges and higher education institutions-according 3. aisle;
92.3. institutions-inpatient treatment pursuant to section 5;
92.4. hotels and other temporary accommodation in hostels-under box 4;
92.5. other public buildings people evacuation flow density corridors shall be calculated in accordance with the project and the means of escape in the distance after the corresponding columns of clear indicators.
5.5. public event Hall 93. public event Hall (Hall) placed the building floors in accordance with this annex, 5 et seq table 2 and subject to this chapter 4 et seq.
94. The audience halls seating one area covers at least 0.9 m2.
95. Medicinal products intended for formal training institution legislation, one seating area provides at least 0.8 m2.
96. Medicinal products designed for conferences, seminars and similar events, each Member shall provide at least 1.2 m2 area.
97. A continuous line should be deployed: 60.3. not more than 25 fixed seats, if the exit is on one side;
97.2. not more than 50 fixed seats, if the exit is on two sides.
98. Of the Hall evacuated people is equal to the number of viewers (visitor).
99. the width of the doorway's audience Hall project at least 1.2 m, behind the width of at least 2.4 m. Viewer and escape routes of exit doors or hatches fitted with self-closing devices and compressing the piedurlīst.
100. If the grass (including balcony) at the same time staying no more than 50 people, the distance from the farthest audience (jobs) to the means of escape shall not exceed 25 m, there is no need to design a second means of escape.
101. the escape routes from the balcony may not go through the audience Hall.
102. The audience halls with fixed seating aisle width between lines shall be constructed not less than 0.45 m. 103. If the level difference between the seats are larger than 0.45 m long passage of each row requires at least 0.8 m high containment structures that do not interfere with visibility.
104. The Hall without fixed seats in the distance from the most remote places to escape to the exit project according to this annex, 5 et seq table 8. Replacing several evacuation routes with one, its width shall not be less than the width of the aisle of each individual.
105. the halls without fixed seating means of escape width is calculated according to the number of people evacuated in accordance with this annex 5 9 et seq., the table, but it may not be less than 1.2 m, if the grass for more than 50 people.
5.6. the toilets and shower rooms 106. Distance from the most remote places where people to toilets may not exceed 75 m. stadiums, arenas, outdoor stage and other open-air entertainment constructions distance from the Viewer to the toilets should not exceed 150 m. 107. Toilet and hygiene equipment minimum number calculated in accordance with this annex 2 et seq.

108. Women and men are separate toilet facilities. Common toilet room can be places where the calculation requires only one toilets for the people, and it consists of separate cab and the Hall (no urinals), which is the sink.
109. The toilet cubicles constructed of minimum width not less than 0.9 m, but length-not less than 1.5 m. If the washing box installed in the wall and room doors open outwards, toilet facilities or the cab length can be reduced, but it may not be less than 1.2 m. 110. From premises where people reside, toilet separated by a hallway.
111. The toilet or the Hall must be equipped with hand basin (sink).
112. the shower rooms shall be designed according to the rules of hygiene. Ten people working in the building requires at least one shower facility, as determined by the work.
113. the entrance to the shower room design from the locker room.
114. the shower rooms need a toilet.
115. Toilet and shower facilities ceiling height to trim the plane project at least 2.2 m. 116. Shower rooms, changing rooms, toilets and a Hall in the horizon (artificial) forced ventilation.
 
6. requirements for individual building groups 6.1. Education and science building 117. Max preschool education buildings and floors of the building depending on the building fire protection grade defined in this annex, 5 et seq table 3. Children with Visual or hearing impairments in preschool education buildings designed not higher than two floors with at least 2 fire safety.
118. the minimum size of space for each child is determined according to the rules of hygiene.
119. Preschool educational institution buildings stairs, where the distance between the put in is greater than 0.1 m, constructed containment structures (such as mesh, grid) 1.5 m height with the age appropriate additional handrails. Institutions for children with mental disabilities designed the staircase and landing construction of 1.8 m containment. The distance between the railing design vertical separations may not be greater than 0.1 m, while the horizontal division is not allowed.
120. Preschool education institutions concerned down the toilet with age appropriate facilities and equipment pursuant to this annex 2 et seq.
121. A group of children room preschool educational institutions located in separate blocks. From each block, designed in two issues. A two-story three-story buildings and each issue provides to another stairwell. Corridors that connect the staircase, the reallocation in accordance with 5.5.1. paragraph LBN 201-96 requirements. Children unit design type 1 fire doors, fitted with self-closing devices and compressing the piedurlīst.
122. Preschool educational institution, which is to deploy in one building with the use of the different rooms, separated from the other parts of the building with a type 1 fire resistant walls and type 3 fire shelter. Each exit designed directly to the outside.
123. Preschool education building and a veranda where you can stay more than 50 people, designed in the same degree of protection as the building.
124. the comprehensive school, secondary, special schools of music and art school, vocational school and other schools in the classroom may not be placed higher on the fourth floor, but first class rooms placed no higher than the second floor.
125. the maximum number of seats and the number of floors of the building depending on the building fire safety grades in mainstream schools, secondary schools, special music and art schools, vocational schools and other schools set out in annex 4, 5 et seq. table. University and College buildings must not be higher than nine floors. Comprehensive school, secondary, special schools of music and art school, vocational school, boarding school and the children of the building must not be higher than three storeys.
126. Boarding school and the children's dormitories housed in a separate unit from the rest of the buildings in that part of the separated by type 1 fire resistant walls. Max no of this annex 1 et seq 1.2. and 1.3. educational establishments referred to in point guļambloko of buildings and floors depending on the building fire protection grade defined in this annex, 5 et seq table 5. If the building is concerned, 3A, 3B, 4, or 5. degree of fire protection, design a clubhouse adjacent to the dormitories.
127. the minimum size of the classroom for each student is determined according to the rules of hygiene, but no less than 2 m2.
128. the laboratory space area in scientific and research institutions established according to the requirements of research technology, but the education of laboratory space to the minimum area for each pupil or student: 128.1. not less than 2.4 m2-schools;
128.2. not less than 4 m2-universities.
129. Pedagogics and teaching classes in rooms that are equipped with computers, the minimum area for each student or student to provide not less than 4.65 m2.
130. In the classroom and lecture rooms according to the number of seats the minimum area for each student: 130.1. not less than 2.5 m2-up to 15 locations;
130.2. not less than 2.2 m2-up to 25 places;
130.3. not less than 1.8 m2-up to 50 seats;
130.4. not less than 1.5 m2-up to 75;
130.5. not less than 1.3 m2-up to 100 locations;
130.6. not less than 1.2 m2-up to 150 places;
130.7. not less than 1.1 m2-up to 350 locations;
130.8. not less than 1 m2-more than 350 sites.
131. AULAS Legislative halls or the minimum area (total area) is determined depending on the number of pupils (students) the educational institution, the one student, but not less than 0.32 m2 per student: 131.1. not less than 0.30 m2, if the number of students is up to 2000;
131.2. not less than 0.22 m2, if the number of students is up to 6000;
131.3. not less than 0.15 m2, if the number of students is more than 6000.132. Music and art school practice room minimum area shall be calculated according to annex 4 of this et seq.
133. the escape route width calculation for the largest number of people that can be located at a school, boarding school or children's floor of the building. The greatest number of people is determined by summing the points in the floor of the existing training facilities, the premises of pedagogics, dormitory, gym and halls of legislation, as well as the Lecture Hall.
134. in the classroom for more than 15 people, out of the door width designed not less than 0.9 metres.
135. The school children and boarding school (annex 1:1.2 and 1.3) woodworking workshops, as well as in combined workshops (metal and wood) provides additional output directly to the outside through the windscreen, or through the corridor decor that does not exit from the classes, training Office and laboratories.
6.2. Treatment, health care, social care and rehabilitation institutions 136. Medical treatment, health care, social care and the rehabilitation of buildings not designed higher than nine floors.
137. The nursing home and other social buildings designed for children with mental disabilities or persons with mental disorders, the project is not higher than three storeys.
138. Hospitals and medical or social rehabilitation institutions in the children's section of the (Court's) dormitories located: 138.1. not more than the building's fifth floor-children under three years of age with their mothers;
138.2. no higher than the second floor of the building-children up to the age of seven, but if the building's automatic fire-fighting equipment and pretdūm protection equipment escape paths (corridors),-not more than the fifth floor;
138.3. no higher than the second floor of at least grade 3 building fire safety-child psychiatric wards.
139. When designing this 1 et seq., annex referred to in point 2.4. buildings, followed by the 144 et seq., 143 and 145 to the requirements laid down in paragraph 1.
6.3. Hotels and other temporary accommodation home 140. Hotels and other temporary accommodation home designed according to the Latvian et seq and the requirements of national standard.
141. If the hotel or the Guest House rooms for constructing the building, which is also used for other purposes, escape routes from the hotel or the guest house constructed separately from other buildings, but one route of escape may be common to the whole building.
142. Children's summer recreational buildings constructed: 142.1. not more than one floor-4 and 5 degrees of building fire protection;
142.2. not higher than two floors-3 and 3A fire protection grade building;
142.3. not higher than three floors-1 and 2, the degree of safety in the building, if they are used throughout the year.
143. The number of places, tourist and kempingo holiday home project: 143.1. up to 1000-1 and 2 the degree of fire protection in buildings;
143.2. up to 150-3. the degree of fire protection in buildings;
143.3. up to 50-3. a, 4 a, 3 b, 4, and 5. the degree of fire protection in buildings.
144. Temporary accommodation in hostels dormitory designed separated from dining rooms and from the medication, which is the stage or kinoaparatūr, with type 1 fire resistant bulkheads. The minimum height of the ground floor dormitory is 2.5 m. 145. Children's recreational facilities for 40 places in a separate project, means of escape from the sleeping quarters. One of the exits can be combined with the common stairwell. One in all or part of a building project in the dormitory, which is no more than 160 sites.
6.4. Cultural and entertainment institutions

146. The cultural and entertainment institutions buildings which is the medicine of the viewer with the occasional influx of spectators, the degree of reaction is determined according to this annex 5 et seq table 6.
147. Depending on the grass and the number of building fire safety grades higher grass location story building determined in accordance with this annex, 5 et seq table 6.
148. If a lobby or hall is located at 3 or 3. (b) the degree of fire protection building second floor, designed type 2 fire shelter. 3, 3A, 3B, 4 and 5 of the degree of fire protection in the building above the basement floor of the CAP and the draft type 3 fire shelter.
149. If the attic space above the audience halls, 3A or 3B degrees of building fire protection, they separated from the next by a type 1 fire resistant bulkheads.
150. the technical room is separated from the other parts of the building with a type 1 fire resistant bulkheads and type 3 fire-resistant floors, except the scene lighting, placed on šņorbēniņo-virsskatuv room, in which the padlocks of scenery.
151. Between the viewer and the šņorbēniņ project type 1 fire wall.
152. this annex 1 et seq 3.1. and 3.2. institutions referred to buildings where there are halls with 600 and more places, the stage box from the stage hand protected by a curtain of fire. A fireproof curtain fire resistance limit provides no less than 60 minutes. Thermal insulation of curtain made of non-combustible materials and materials at elevated temperatures do not emit toxic substances.
153. Doorway fire walls that are on the same level with the stage Tablet (horizontal plane) and zemskatuv, as well as the output from šņorbēniņ to the stage and exit to the zemskatuv spaces separated by fire windscreen.
154. Between the stage and the decorations of the warehouse scene in "pockets" design type 1 fire doors.
155. The warehouse premises, workshops, plants and decorations in the fitting rooms and other utility room as well as the premises containing the dust discharge Chamber, ventilation, fire curtain winch, smoke hatches, battery and transformer substation, constructed type 1 fire bulkhead and type 3 fire to shelter. Such spaces are forbidden to place drugs with fixed low Viewer and low stage Tablet (horizontal plane), except for spaces containing piekardekorācij of safety, fire curtain winch, smoke hatches and lifting and lowering equipment without oil filling equipment. Wallet box protected by shields that the fire resistance is not less than 30 minutes.
156. The orchestra pit (the plane go into the audience Chamber Orchestra deployment) containment structures designed as type 2 fireproof partitions and type 3 fire to shelter.
157. The ceiling above the stage, designed built-in smoke hatches under this annex 7 et seq.
158. This provision of the annex 1 1.1 and 1.2 of the authorities referred to the utility room and warehouse buildings separated from the other rooms of the building with a type 1 fire resistant bulkheads.
159. The aisle between cinema, sound and light projection apparatus control room with the audience and the stage, separated by a curtain or shield of fire, which fire resistance limit is not less than 30 minutes.
160. The audience halls with fixed seats, except the balcony and lodges, which are 12 and smaller seats, chairs and benches attached to the floor.
161. the work of the galleries of the scene (from the šņorbēniņ deck, the orchestra pit and rolled up the decorations in the wallet) project in at least two means of escape.
162. the calculation time for the evacuation from the scene must not exceed 90 seconds. The number of people evacuated down the one man on the stage area 1 m2.
163. The stage up to the roof to provide the Division with type 2 fire stairs. On the steps necessary for the output of the work of the galleries, and šņorbēniņ. Escape from the gallery and work šņorbēniņ deck provides external stairs.
164. Mock classroom workshop where (A), (B) or (C) explosion or fire risk categories (LBN 201-96), by a process of other rooms with structures of non-combustible materials, fire resistance limit which shall not be less than 60 minutes. The same rooms need window, which is at least 0.05 m2 per 1 m3 of the room, or easily separable structure under LBN 201-96.165. this annex 1 et seq 1.1 and 1.2 authorities referred to the building as well as medicinal products where the planned movie playback, escape routes shall not be varied through the premises while staying in the more than 50 people.
166. Cinemas and halls with a small stage podium-stage where the number of viewers is up to 500, the second stage of evacuation routes may be used in place of the aisle.
167. the reading room in the library for each reader requires at least 2.4 m2 large area.
168. The library book storage room area is calculated according to the design task.
169. The book store distribution with type 1 fire resistant bulkheads into separate sections, an area not exceeding 600 m2. Each storage partition at least two means of escape.
170. If a book store, archive or in the warehouse, which has more than 50 m2, no window, smoke discharge requires the exhaust duct or hatch with a cross-sectional area of not less than 0.2% of the space in the area. Here's the exhaust channels or each floor equipped with automatic valves and actuators for distance. The distance from the smoke discharge valve to the outermost point of the room must not exceed 20 m. 6.5. Sports buildings and structures in building 171. Cover sports or halls with audiences ' portability ' sites provide a Chair and step fixation. In fixed or temporary spectator seating translation provides against overturning or nobīdīšano.
172. The open sports constructions and zemtribīņ of the old two-story space in the project with 2. fire safety. One of the ancillary zemtribīņ the degree of reaction is not predetermined.
173. The open sports constructions of load-bearing design tribīņ with zemtribīņ of unusable space and more than 20 lines project from non-combustible materials with the fire limit of not less than 60 minutes. If the number of lines up to 20, fire is not predetermined.
174. Cover Sports constructions, which is 3. (b) the degree of reaction, you can design to two figures, if the upper floor are located only in the utility room, and up to five figures, if construction is 2. degree of fire walls and fire protection grade 1 columns, stairs and some covers. In all cases, the utility room is separated from the courtroom by a type 1 fire resistant walls.
175. Cover and open sports constructions under the bleachers located room separated from the bleachers with type 3 fire-resistant floors and type 1 fire resistant bulkheads, which door should be equipped with self-closing devices and compressing the piedurlīst. Open Sports constructions under the bleachers, which are designed as a, 3 b 3, 4 and 5 grade building, the fire may not deploy space for storage of combustible material. Beneath the bleachers placed bullet and ammunition warehouse Gallery separated from the other rooms by type 1 fire resistant bulkheads and type 3 fire shelter.
176. the bullet gallery project as Minister for the Interior and Defence Ministers approved instructions.
177. To open sports constructions the number of people evacuated to 1 m width of the escape route is calculated in accordance with this annex, 5 et seq table 10.
178. If a gym (arena) the viewer has only two-parter, the distance between them shall not be less than half the length of the grass.
179. the escape routes of gyms with spectator stands and from other viewers of medicinal products 1 and 2 the degree of fire protection in buildings provides a viewer during the evacuation, which is indicated in annex 5 of this et seq table 11. 3, 3A, 3B and 4. the degree of fire protection of buildings specified evacuation time reduced by 30%, and grade 5 fire safety of buildings-about 50%.
180. Hall capacity is up to 60 000 m3, if its evacuation routes is higher than the floor of the hall mark and more than 1/2 the height of the grass, the calculation of the required evacuation time reduced by 50% (table 11 of annex 5).
181. Hall, (v) does not exceed 60000 m3, while you escape. calculated using the following formula: you. = 0.115 3 ÷ (v) evacuation time must not exceed six minutes. If the means of escape is higher than the floor of the hall mark of about 1/2 the height of the grass, the required evacuation time of calculation shall be reduced by 35%, but if more than 4/5 of the grass height, about 65%-. Smaller values down to interpolēj, but larger-extrapolation.
182. If the product capacity of more than 60 000 m3, calculation of evacuation time may not exceed 10 minutes.
183. The sports structure Viewer and escape route the exit door (also here) be equipped with self-closing devices and compressing the piedurlīst.
184. The open and covered sports constructions, which stands the aisles or stairways are wider than 2.5 m, shall flow splitter and containment structures, which is not less than 0.9 m. 185. Open and cover the sports structures of the tribīņ slope of the ladder and escape paths must not exceed the ratio of 1:1.6 but tribīņ ladders along evacuation routes-1:1.4. Exit to escape ladder shall be provided through the hatches.
6.6. The trade, catering and consumer services institutions

186. the commercial complex, markets and other commercial premises, which the trade area is greater than 100 m2 and are deployed to a different use of the buildings, separated from the other rooms by using type 1 fire resistant bulkheads and type 3 fire-resistant floors. This room ceiling height must not be less than 2.5 mm. 187. If the entrance to the commercial premises constructed from common Foyer mixed-use buildings, additional means of escape shall be designed in accordance with the LBN 201-96.188. Storage area is 50 m2 and more restrained from other rooms with a type 1 fire resistant partitions, type 2 fire door and type 3 fire shelter.
189. The trading halls and warehouses with no Windows or vents, which area is greater than 50 m2 and storing combustible or non-combustible materials combustible materials in packaging, design emergency smoke discharge under LBN 201-96.190. Saunas, laundries, dry cleaners and other household services company, which has more than 200 m2 and located commercial complexes and other public buildings separated from the other rooms with a type 1 fire resistant bulkheads and type 3 fire-resistant floors.
191. the trade, catering and domestic services and combustible material flammable liquid storage located at the exterior of the building, which is a window box and separate them with a type 1 fire resistant bulkheads and type 3 fire-resistant floors. Entrance to the warehouse through the windscreen of the reaction to the plan from other premises.
192. The sauna room can be deployed to a different use in public buildings, if the following conditions are met: 192.1. heating room is no more than ten locations;
192.2. sauna room block separated by type 2 fire doors, as well as with type 1 fire resistant bulkheads and type 3 fire-resistant floors 1, 2, and 3. the degree of fire protection in buildings with fireproof partitions or floors, where the fire resistance and the limit is not less than 60 minutes-3. (a) (b), 3, 4 and 4 (a) the degree of fire protection in buildings;
192.3. block of the sauna room designed to escape exits or directly to the outside according to LBN 201-96;
192.4. oven is equipped with automatic protection and exclusion mechanism, and it is stated in the legislation, Declaration of conformity;
the sauna premises is a 192.5. natural ventilation with at least a summary of air exchanges per hour.
193. Warehouses storing combustible materials or non-combustible materials combustible containers, garages, handling flammable materials, as well as power distribution rooms, ventilation Chambers and other fire and technical premises designed type 2 fire doors.
194. the main escape route width showroom may not be: 194.1. less than 1.4 m-if the area is up to trade 100 m2;
194.2. less than 1.6 m-if the sales area from 100 to 150 m2 is;
194.3. less than 2 m-if the trade area is 150 to 400 m2 of;
194.4. less than 2.5 m-if the sales area greater than 400 m2.
195. In calculating the means of escape, or the number of visitors to the buyer down, given that each person who may be in the trading hall or room, visitors need the following area (including also the area under equipment): 195.1. stores and municipal services City-1.35 m2;
195.2. stores and municipal services a rural area-2 m2;
195.3. markets-1.6 m2.
196. the commercial complex, markets and other trading companies as well as restaurants, cafes, bars and other catering company building evacuation routes may be included in the calculation of holding the landing and exit from buildings if they directly or by straight corridor connecting to the trading Hall and the distance from the most remote point in the showroom to the closest ladder or the holding out of the building is not greater than the 5.7 et seq. table. Means of escape shall be prohibited through the landing of the products.
197. Dealerships located in one-story buildings and a commercial area is up to 150 m2 of showroom evacuation routes can be used through out any space except for the warehouse.
6.7. Communications and transport buildings and premises 198. Communications and transport buildings and premises evacuation routes included in the 50% landing exit. The station buildings evacuation paths, including corridors and halls with the passenger exits to the outside, the external estakād or platform.
 
7. the additional requirements of ten and more floors of public buildings 199. Staircase ten and more surface floor building is not piedūmojam, and they meet the following requirements: 199.1. one of the two staircases or at least 50% of the required evacuation (by calculation) staircases are type 1 does not piedūmojam in the stairwell. The rest have type 2 or 3 do not piedūmojam in the staircase;
199.2. the distance between the exit and entrance door konstruktīvaj aisles on type 1 piedūmojam not the staircase is not less than 2.5 m, 199.3. There shall be no design input type 1 does not piedūmojam in a stairway through the elevator Hall, located on the starpstāvo;
199.4. stairwell to pretdūm protection with outdoor air intakes. The excess of the staircase on the lower part is not less than 20 Pa, upper part, no larger than 150 Pa, if two doors open. This excess also provides the lift lobby and shaft;
199.5. ventilator parameters, as well as the mine shaft and the valve cross-sectional area shall be determined by calculation.
200. the issue of the type 1 piedūmojam of staircases not directly to the outside.
201. piedūmojam Not the type 2 stairwells, whose outer wall has Windows and doors on some corridors, lobby, hall, Foyer or directly to the outside, may not contain other columns of air supply and discharge.
202. the piedūmojam 2 and 3 type stairwells every eight stories separated by fireproof partitions of type 1 and type 2 fire door.
 
8. Inženiertīkl and engineering inženiertīkl 203. internal fittings and engineering design in public buildings constructed according to the requirements of inženiertīkl, as well as under the relevant legislation in certain sanitary and hygiene requirements.
204. Cold and hot water supply and sewage networks, as well as fire-fighting water networks in public buildings designed in accordance with the Latvian et seq of the LBN 221-98 "building an internal water pipes and sewerage". External fire-fighting water supply project in accordance with the Latvian et seq of the LBN 222-99 "water supply networks and external structures". Inner fire-fighting water culture institutions, libraries, archives and sports buildings constructed in accordance with this annex 6 et seq. Fire control, fire and pretdūm protection system shall be designed in accordance with the LBN 201-96.205. gas supply system and facilities in public buildings constructed according to the design of the gas supply regulations and standards, as well as respecting the Latvian et seq of the LBN 211-98 "high-rise multi-family residential buildings ' requirements relating to gas supply.
206. Boilers with a capacity of up to 500 kW may be installed in public buildings in the attic, roof floor, the CAP floor, the basement and the first floor, if you get the permission of the competent authority. These boilers use liquefied petroleum gas.
207. Basement, ground floor and cap the first-floor rooms can be deployed in a heating oil tank that can dispense up to 5 tons of heating oil, if the fuel a flashpoint above 55 ° C. Such spaces are from katlutelp and other rooms separated by fireproof partitions of type 1.
208. the premises housed a boiler is isolated, with a separate exit to the outside or common corridor, and they meet the following requirements: 208.1. the rooms are separated from the other rooms with a type 1 fire resistant partitions, type 2 fire door and type 3 fire resistant covers;
208.2. outer space is a window that is at least 0.05 m2 per cubic meter of space, but not less than 0.25 m2;
208.3. space is at least triple air exchange per hour.
209. it is prohibited to install boilers below the foyer, hall, a public event halls, classrooms and other spaces where you can find more than 50 people.
Environmental protection and regional development Minister v. Makarov 1. Annex to the Latvian et seq LBN 208-00 "public buildings and structures" (approved by Cabinet of Ministers of 28 November 2000 regulations No 411) Public buildings and premises functional groups 1. Education and science building: 1.1. preschool educational institutions;
1.2. the general education schools, secondary schools, special music and art schools, vocational and other schools;
1.3. boarding schools, children;
1.4. colleges, higher education institutions;
1.5. scientific research institutions and laboratories.
2. Medical treatment, health care, social care and rehabilitation institutions: 2.1 pharmacies;
2.2. outpatient treatment and physiotherapy;
2.3. the hospital, medical or social rehabilitation institutions;
2.4. the nursing home and other social care institutions.
3. Hotels and other temporary accommodation accommodation: 3.1 hotels and guest houses;
3.2. the motels;
3.3. camping sites, tourist and holiday accommodation.
4. Cultural and entertainment institutions: theatres, cinemas 4.1, concert halls, circus;

4.2. the people's houses, clubs, disco halls, cult buildings;
4.3. museums, galleries;
4.4. the exhibition halls and gaming halls;
4.5. library and archives;
4.6. open-air stage and other open-air entertainment constructions.
5. Sports buildings and structures: 5.1 Stadium, the arena;
5.2. the sports complexes, swimming pools;
5.3. sports medicine, universal medicine;
5.4. other sports buildings and structures.
6. trade, catering and domestic services building: 6.1. commercial complexes, markets and other trading companies;
6.2. restaurants, cafes, bars and other catering companies;
6.3. saunas, laundries, dry cleaners, and other municipal services building.
7. Administration building: 7.1. State and local regulatory authorities and courts;
7.2. the bank;
7.3 the offices and similar institutions.
8. Communications and transport buildings and structures: 8.1 Terminal **;
8.2. mail and other communications;
8.3. national border control points.
The showroom, which combined with the exhibition halls or warehouses.
** Also, railway station, bus station, airport, maritime and river passenger station.
Environmental protection and regional development Minister v. Makarova 2. Annex to the Latvian et seq LBN 208-00 "public buildings and structures" (approved by Cabinet of Ministers of 28 November 2000 regulations No 411) minimum number of sanitary installations in public spaces of the building, the number of Toilets People number of people the number of people on one of the user operating the number to one per group in the toilets of one urinal hygiene sink installation 1.1. children 4 16 ** 1.2 1.4. men and women 40 4 50 30 4 100 2.3 and 2.4. men 10 4
15. women men women 10 4 3 50 4 4 100 4 100.-theater men women 50 4 5 40 4 40-Theater men women 150 4 75 50 4 6.1. and 6.2 men women men 60 4 60 60 4 7.75 4 100 4 150 women and men in the working spaces area of the female staff of 50 4 50 30 4 100 all building groups where people have fewer Horizon one, separate toilets and a Hall containing the sink.
** The one shower stall 16 children (one group).
Note the. If the case is not mentioned in the table, the minimum number of sanitary equipment determined in accordance with the rules of hygiene relevant public building or construction.
Environmental protection and regional development Minister v. Makarova in annex 3 to the Latvian et seq LBN 208-00 "public buildings and structures" (approved by Cabinet of Ministers of 28 November 2000 regulations No 411) room window orientation after the orientation of public space in an optimal orientation of the building allowed the function-name (preferred) professional group orientation session in room 1.1 South dormitory East kitchen North 1.2., 1.3. Class (audience) in the South, South-South and West and 1.4.

East and West (up to 25% of the class) offices and laboratories in the South, the other sides (except for drafting, drawing South-East (up to 50% Office and biology study) and East and laboratory) drafting and drawing office in North, Northwest of the other sides, except the South-East and North-East and South-West biology laboratory South of East, Southeast, West and Southwest 2.3. Operations and childbirth drugs, North, Northeast and Northwest of the CPR, North-West of infection (up to 10% of the number of beds), laboratory of the Chamber of deputies of the patient in the North and East sections of the room and the intensive care ward in the South, Southeast and Southwest chapter of children of children all sides until three years of age except for the West and southwest of the children's section of the game room all sides except the West for environmental protection and regional development Minister v. Makarova in annex 4 to the Latvian et seq LBN 208-00 "public buildings and structures" (approved by Cabinet of Ministers of 28 November 2000 regulations No 411) lesson room minimum area music , Ballet and art school-school space type lesson way room minimum area of specialisation or instrument music school class, study two ensemble 3 m2/per.

or three group lessons, class, study an average of 40 students ' choir 1.5 m2/per.

classes, training an average of 40 students of the concert hall Orchestra 1.5 m2/per.

class *)-0.6 m²/235 stage-Hall Solo session class piano lesson 12 m2 individual class string instruments 12 m2 Individual session class brass instruments 15 m2 individual lesson class percussion 18 m2 individual lesson class folk instruments 15 m2 individual lesson class solo singing 18 m2 individual lesson class kordiriģēšan Baletskol Lesson 15 m2 hall for 12 students group) **) lessons at 4 m2/per rod.

Session Hall 16 students group) **) lessons at 4.5 m2/per rod.

Hall group lessons) **) 80 m2 hall group lessons) **) attempts, dramas 18 x 15 x 4.5 m individual lesson class ballet training 20 m2 art school class or study group classes, drawing, painting, 3 m2/per.


composition space height-not less than 4.5 m. Artificial lighting-400 lux (floor level).
Environmental protection and regional development Minister v. Makarova in the annex 5 to 208 of the Latvian et seq LBN-00 "public buildings and structures" (approved by Cabinet of Ministers of 28 November 2000 regulations No 411) table 1 number of floors in the public building and floor area between the walls of the building fire fire-maximum the maximum floor area (m2) security peaked between the fire walls.
grade number one-story two-storied 3, 4 and 6, 7, 8 and 10, 11, 12, building the buildings 5 storey buildings 9 storey building 13, 14, 15 and 16 storey building 1.16 6000 5000 5000 5000 2500 2.16 6000 4000 4000 4000 2200 3.5 ** 3000 2000 2000-3.3.1 (a), (b) * 2500----2 2000 1400-4-4 a 1 800-------2 1200 800 * 5 cultural and recreational buildings and structures (annex 1).
** Renovation and reconstruction to allow in construction or conversion of the attic by technical solutions matching with the national supervisory authorities.
The notes.
1. If the premises are set to automatic water fire-fighting system, the 1 and 2 degree of fire protection in buildings floor area can increase, but not more than two times.
2. the Ministry of education and science, treatment and health care, cultural and recreational buildings and structures (1.1, 2 and 3 above), if they have a one-story log homes, wooden walls from the inside, as well as 5. degree of fire protection in buildings the ceiling and partition walls made of pretugun protection.
3. If part of the two-story space occupied by not more than 25% of the floor area, the area between the fire wall down one floor.
4. If the marketing room separated from the other store with type 2 fire wall, 3 a and 3 b of the reaction grade one-story shop building floor area between the type 1 fire walls can increase, but not more than two times.
5. If the warehouse, work space and staff rooms located 1 and 2 the degree of safety in the trade, catering or municipal services building, upstairs floors can increase on one floor.
6. the floor area between the fire walls is calculated as the entire floor space of the building area.
 
table 2 Public event halls the placement of building floors the building fire safety seats in the Hall of the highest standing, degree which may be located in Hall 1 and 2 up to 300 16 300-600 over 600 3 3 to 5 300 3 300-600 3 2 a, 4 and 5 to 3 300 1 500 1 b to a to 100 1 4 notes.
1. Medicinal products with a sloping floor of the calculated check takes the first row of seats.
2. this annex 1 et seq of the 1.2 and 1.3 as referred to in point 3. of the degree of fire protection in buildings Hall formal provisions or the audience placed no higher than the second floor above the type 2 fire-resistant floors.
 
table 3 and figure number of pre-school educational institutions the number of sites in the building in a building fire protection degree maximum number of floors to 50 4., 5., and 3. a 1 to 1 to 150 3 100 3 b 2 to 350 1. and 2.2 and 3 of table 4 location and number of floors in mainstream schools, secondary schools, special music and art schools, vocational schools and other schools for Pupils , students building the degree of fire protection, maximum number of seats in the building or not less than the number of floors to 270 a and 5.3.2-3 1 4 350. (b) 2 and 3 is not limited to 1600 3.1 and 2, 3 and 4 in table 5 the place and number of floors and guļamkorpuso of children's boarding school students, students of building fire protection, maximum number of seats in the building or not less than the number of floors to 80 4. or 5.1 140 or 3 b 3 a 1

up to 200 3.3 to 280 3.1 is not limited to 1 or 2, 3, 4 table 6 number of floors and viewer of fixed seats in the halls of the building or structure, the degree of fire protection, maximum number of seats is not less than the number of floors in the Hall cinema, which 1 to 5 300 running constantly, 4 3 a 2 to 3, 3 (b) 400 2 600 2 *, 2 *, up to. 1. no limit over 600 seasonal (summer), 3. a, 4., 5.1 to close 600 cinema 3, 3 1 b above 600 seasonal (summer) is not limited to 1 over 600 open cinema 3, 3 (b) 1 and 2, 600 Theatre 1. not limited to other crops and 5.1 *** up to 300

entertainment institutions, 4 3 a 2 to 3 400, 3 b * 3, * up to 3 600 2., 1. There is limited above 600 a, 3 b and 4.3 degree of fire protection in buildings the viewer room located on the first floor, but the people's House and the Club 3 and 3 (b) the degree of fire protection in buildings-no higher than the second floor.
** (b) the degree of safety in the 3 buildings with wooden construction elements of the Division's audience Hall can be up to 600 places where such walls, columns, stairs and floors of some buildings meet fire safety level of 2.
The people's House and clubs 5. degree of safety in the building with the audience Hall (up to 300 seats) on the first floor you can design a two-story building, where the walls are hard to fire.
Note the. If cinema, which operates continuously, is blocked by a seasonal (summer) and have a different cinema fire, in a theaters, separated by type 2 fire wall.
table 7 distance to escape out of a public event halls without fixed spectator places Public event halls use to building fire safety maximum distance (m) level to the nearest escape exits, if the medicinal product is the volume (thousand m3) and 5 5-10 above 10 1. Waiting Hall, room, exhibition hall, 30 45 55 1, 2. dance hall or lounge 3, 3 (b), 4 20 30-3A. 4. (a) 5, 15-2. Dining room or reading room, with 1., 2.65-the escape route is not less in area 3, 3 (b), 45-4-on 0.2 m2 for each of the evacuated people, 3 a, 4 a, 5.30-3. Trading Hall, with 1., 2. escape route 50 65 80 area that is less than 3, 3 b, 4.35 45 25% of all the drugs area 3A. 4. a, 5, 25-4. Trading Hall, with 1., 2.25 30 35 evacuation road area of less than 3, 3 (b), 4 15 20-25% of all grass, 3A, 4A, 10-5 table 8 distance to escape to the exit of the building fire safety level the maximum distance from the most remote locations of the people in the room to exit directly to the outside or to the landing of If the calculated evacuated people flow density (people per) is.


up to 2, 2 to 3 from 3 to 4 from 4 to 5 more than 5 rooms, situated between the staircases or exits to the outside, 1., 2., 3.60 m 50 m 40 m 35 m 20 m 3 b, 4.35 m 40 m 30 m 25 m 15 m 3 a, 4 a, 5.25 m 30 m 20 m 15 m 10 m premises with exits to the dead-end corridor or hall 1. , 2., 3.25 m 30 m 20 m 15 m 10 m 3 b, 4.20 m 15 m 15 m 10 m 12 m 3 a, 4 a, 5.15 m 10 m 10 m 5 m 5 m from the premises number of people evacuated to escape routes.
Note the. The number of people evacuated calculated in accordance with the Latvian et seq of the LBN 201-96. table 9 the number of people escape routes public event halls Hall type buildings use a number of people to escape the fire road (door) width 1 m, grade if the medicinal product is the volume (thousand m3).


up to 5 5 to 10 10 1. above the showroom, where evacuation 1., 2.165 220 275 Road area is 25% or more of the grass 3., 3., 4.115 155 b-areas where flow density in each main road is no more than 5 people per 3 a, 4 a, 5.80-2. Showroom, where evacuation 1., 2.75 100 125 Road area is less than 25% 3. 3. b, 4.50 70-from the Hall area, as well as the other medicine, 3 a, 4 a, 5.40-table 10 number of people escape route open sports constructions in building a number of people on the escape route width 1 m.

the stairs of the tribīņ system for passages that go through here from the tribīņ passages that go up down up down grade 1, 2 600 825 620 1230, 3A, 3B, 4.300 415 310 615 420 580 435 860 5. table 11 required evacuation time from spectators and sports medicine audience halls required evacuation time (t ev, min.).
types of medications that capacity (thousand m3).
of all to 5 10 20 25 40 60 building Hall, which is the stage for 1.5 2.5 2.5-šņorbēniņ with 2-6 grass that does not stage with 3.5 3.7 4.5 6 2 3 4 šņorbēniņ for the calculation of the volume of the Hall between the inner containment structures (halls with bleachers zemtribīņ volume not included).
Note the. If the volume of the room is different from the specified table, escape the time needed to calculate the interpolēj.
Environmental protection and regional development Minister v. Makarova 6. Annex to the Latvian et seq LBN 208-00 "public buildings and structures" (approved by Cabinet of Ministers of 28 November 2000 regulations No 411) requirements for internal fire mains cultural and entertainment buildings 1. Cultural and entertainment buildings fire-fighting equipment as follows: 1.1 the cinemas and halls with stage: 1.1.1 fire hydrants, if the grass is up to 800 seats;
1.1.2. the fire hydrants and drencher facilities in line with paragraph 9 of this annex, if the grass is more than 800 sites and grass is šņorbēniņ;
1.2. fire hydrants, drencher and sprinkler installations-theaters and halls, of which the stage area is larger than 90 m2.
2. Palīgražošan's premises and warehouses located in the theatre complex in a separate building or theatre building, internal hydrants shall be provided and drencher and sprinkler installations under this annex, paragraph 4 and 11.
3. internal fire tap water consumption in buildings: 3.1 cinemas and halls with the stage;
3.1.1. If the grass is up to 300 places-two Jet, no less than 2.5 l each;
3.1.2. If the grass is more than 300 place-two Jet, no less than 5 l each;
3.2. theaters and halls with the stage-two Jet, no less than 2.5 l each, and two of the jets, not less than 5 l each.
4. Fire hydrants shall be arranged: 4.1 at the entrances of the Hall and the audience on stage or stage as well as at the exits to the landing;
4.2 theatres and halls where the stage area is greater than 250 m2, on stage in addition to be a Tablet hydrants, with a diameter of 65 mm and 19 mm in diameter nozzles, as well as the 10 m hose;
4.3. šņorbēniņo and hydrants shall be provided in the Gallery, with a diameter of 50 mm and a diameter of 16 mm nozzles, as well as 10 m hose;
4.4. other hydrants shall be provided on the premises, with a diameter of 50 mm and a diameter of 16 mm nozzle as well as 30 m long hose.
5. If the stage area is up to 500 Tablet m2, three fire hydrants shall be provided, if the larger area-four fire-fighting cocks, and they can be open, without cabinets.
6. Fire hydrants shall be so positioned that in the event of fire, any point of space to delete with the two jets.
7. Internal hydrants network must be looped with two pipes from the external network, as well as with the sprinkler and drencher systems equipment Division. Sadalošo locking bolts of the network shall be so arranged that, in the sealed compartment should be no more than two branches. Pamatsānvad, having more than two fire hydrants, bolts shall be provided.
8. pressure fire hydrant shall be located on the stage, to provide a compact Tablet water that exceeds two meters away from the tablet to the šņorbēniņ covers.
9. the equipment shall be provided below the drencher scene and priekšskatuv šņorbēniņ, of the lower level of the Gallery of work and their connections, under lower transition bridge, as well as the decorations and all the scene safe routes (including routes portal, pockets and priekšskatuv) and the stage machinery.
Fire safety curtain cooling (sprinkling) made from the stage.
10. With sprinkler installations provide the stage and priekšskatuv divisions, all working for the gallery and the bridge transition (except the bottom), gremdētav (except for the built-in stage equipment), stage and priekšskatuv, as well as warehouses, workshops, decorations and dust collection area.
11. the drencher and sprinkler sprinklers placed, subject to the following requirements: 11.1. one sprinkler protects up to 9 m2 floor, its average spray intensity is not smaller than 0.1 l 1m2 on the floor;
11.2. water consumption stage routes is to 1 m 0.5 l length of the passageway, the site's spray-not less than 0.5 l for 1 m width of the portal when Portal up to 7.5 m in height, and 0.7 l per 1 m of width, if the portal site is higher than 7.5 m; the farthest and highest 11.3. existing sprinkler constantly must be 50 kPa (5 m water column) pressure;
11.4. in one building all sprinkler nozzles have the same diameter.
12. Drencher equipment can be the following: 12.1. electric or hydraulic control from two locations on the scene of the fire Tablet and the item space-scene, scene priekšskatuv and go;
12.2. the distance an electric or hydraulic control from two locations on the scene of the fire Tablet and items and automatic control from signāldevēj, situated on a stage management node, sprinkler-scene Portal drencher guise;
12.3. the distance control of the deletion system distribution equipment room-scenery wallet protection.
13. Stage šņorbēniņ and priekšskatuv, the lower Gallery of work and of the connecting bridge drencher combines in one or more sections.
Above the stage door and priekšskatuv of the existing tunnel drencher combine into one section.
The stage portal and decorations for a wallet drencher into separate sections.

14. On stage, priekšskatuv, side "pockets" and the stage machinery sprinklers ratings to combine into one section, which has a separate control. Stage work galleries allowed hydrants add sprinkler system risers the stage.
15. Total estimated water consumption is the larger of the following two internal fire extinguishing systems, if the consumption: 15.1 while running section, as well as the drencher stage sprinkler (scene, all the stage Gallery, bridge transitions and transition boards), two fire hydrants located on stage Tablet and that water consumption is not less than 10 l and two taps the top job in the galleries, where water consumption is 5 l; 15.2. running scene at the portal section of a drencher as well as all the low stage and priekšskatuv drencher's šņorbēniņ, the lower galleries and its work in connecting tiltiņo, two hydrants on stage tablet that water consumption is not less than 10 l and two taps the top job in the galleries, where water consumption is 5 l 16. If the pressure in the external water failing to ensure fire equipment, pumps, which is likely to start use: 16.1. distance to the fire tap button if there are no sprinkler and drencher equipment;
16.2. the automatic starting switch, if there is a sprinkler and drencher with distance backup (starting and stopping) of fire-room items and the pump rooms.
17. fire-fighting pump station correspond to the Latvian et seq of the LBN 221-98 "building internal water pipes and sewage" and Latvian et seq of the LBN 222-99 "water supply external networks and structures".
18. in order to be able to add the transportable fire-fighting pump hose from the pump to the spiedvad between the sprinkler and drencher equipment distribution devices provide two output, with a diameter of 80 mm and are fitted with check valve and the fire hose standartsavienojum.
19. Holding and drinking water supply pumps shall be provided to the vibroizolējoš base and separated from the input and internal network with flexible spacers.
20. If the external mains power is not sufficient to calculate the amount of water for the administration of the disposal of fire or if input added to closed networks, underground tank shall be, provided: 20.1. internal hydrants with the calculated water consumption-three hours;
20.2. the sprinkler and drencher equipment with the calculated water consumption-one hour;
20.3. water consumption for external fire-fighting-three hours.
Environmental protection and regional development Minister v. Makarova in annex 7 to the Latvian et seq LBN 208-00 "public buildings and structures" (approved by Cabinet of Ministers of 28 November 2000 regulations No 411) requirements in a fireproof curtain and smoke hole installing the stage Division i. the Fire curtain 1. the curtain's gas Fire and smoke-proof and overlapping of 0.4 m from the portal box side and 0.2 m from the top.
2. A fireproof curtain frame and decorations warehouse fire doors (curtain) calculations follow the horizontal pressure of the audience Hall, which is 10 By each stage height meters (from Ridge to stage the Division Tablet), the overload factor 1.2. Framed metal element deflection must not exceed 1/200 of the estimated width of the column.
3. the Fire curtain moves of the unladen weight of the pressure at a rate of at least 0.2 m/s. Curtain control provides distance from three places: the fire position, the stage in a fireproof curtain Tablet and control room.
4. Curtain shall be fitted with audible and visual alarm that informs you about the take-off and landing.
II. The smoke hatches hatch aperture area 5 is determined by calculation or accept that it is 2.5% of the šņorbēniņ field for every 10 metres of height of the stage (from the floor to the stage gremdētav shelter).
6. Here's the shutter opening of pressure when the unladen weight is released from the locking devices. The shutter must be observed for the piedurlīst force of freezing-0.3 kN/m. 7. Body above the smoke here is from non-combustible materials, but the shutter-from hard combustible materials.
8. If smoke hatches fitted stage box fireproof walls, here's the necessary wind shield.
Environmental protection and regional development Minister v. Makarova in the