Cabinet Regulation No. 907 of 2010 on Survey, Technical Servicing, Current Repairs and Minimal Requirements for Energy Efficiency of the Residential House

1. This Regulation prescribes: 1.1. the procedure and conditions for the performance of the survey, technical servicing and current repair of a residential apartment house (hereinafter – residential house), the facilities and communications located therein; 1.2. the minimal requirements for ensuring the energy efficiency of a residential house. [20 September 2011]

2. The survey, technical servicing and current repair (hereinafter – repair) of a residential house, the facilities and communications located therein (hereinafter – engineering communications) shall be performed in order to ensure the maintenance (physical preservation) of the residential house throughout its operation and to prevent the occurrence of threats.

3. The technical condition of a residential house, the facilities and engineering communications located therein shall be determined by a visual inspection. The fact of the inspection shall be recorded in the Residential House Survey Registration Log. [20 September 2011] 3.1 The administrator of a residential house which is divided into apartment properties shall visually inspect the facilities contained in the common property and the parts of the engineering communications located in separate properties in accordance with the procedure specified by the administration contract. If an apartment owner does not ensure the administrator with the opportunity of performing a visual inspection, this fact shall be recorded in the Residential House Survey Registration Log. Translation © 2016 Valsts valodas centrs (State Language Centre) [20 September 2011]

4. Repairs shall be performed in order to ensure the continuous operation of the residential house, the facilities and the engineering communications located therein. The repairs may be: 4.1. an emergency repair – the timely rectification of damage referred to in this Regulation; 4.2. a planned repair – the rectification of damage within the time period specified by the residential house administrator. [20 September 2011]

5. The proprietary border of a residential house, the facilities and the engineering communications located therein shall be determined by regulatory enactments or the contracts entered into by the residential house administrator and the relevant service provider. II. Technical Servicing Intervals and Surveys of Residential Houses, the Facilities and the Engineering Communications Located Therein

6. The residential house administrator shall ensure the technical servicing, visual inspection, technical survey and rectification of the damages of the residential house, the facilities and the engineering communications located therein.

7. If the facilities and engineering communications belonging to other persons are located in a residential house, the residential house administrator cannot prevent the owner of the respective engineering communications from ensuring the technical servicing, visual inspection and technical survey thereof.

8. The manufacturer or regulatory enactments shall determine the technical servicing intervals and technical servicing operations of a residential house, the facilities and the engineering communications located therein. If the manufacturer’s instructions are not available or the intervals and operations referred to are not determined by regulatory enactments, these shall be determined by the residential house administrator. 8.1 In order to use heating more effectively, as well as reducing payments, the residential house administrator shall monitor and regulate the heating regime depending on the time of day and the summer or winter season. [20 September 2011 / Paragraph shall come into force on 1 January 2012. See Paragraph 24]

9. If the facilities and engineering communications belonging to other persons are located in a residential house, the technical servicing intervals and technical servicing operations thereof shall be determined by the owner of the respective facilities or engineering communications, unless otherwise prescribed by the manufacturer or regulatory enactments.

10. Within the scope of the visual inspection of land attached to a residential house, the following activities shall be performed: 10.1. on pavements and access roads, bridges, footbridges and stairs: 10.1.1. twice a year – the visual inspection of gutters; 10.1.2. twice a year – the visual inspection of the condition of coverings and edges; 10.2. on greenery: 10.2.1. twice a year – the visual inspection of the condition of tree foliage and roots; Translation © 2016 Valsts valodas centrs (State Language Centre) 2 10.2.2. twice a year – the visual inspection of the effect of greenery on the residential house, the facilities and the engineering communications thereof; 10.3. on fences, hedges, gates and supporting walls: 10.3.1. twice a year – the visual inspection of paintwork and other forms of treatment; 10.3.2. twice a year – a visual inspection in order to determine whether or not subsidence has occurred; 10.3.3. twice a year – a visual inspection in order to determine whether or not other damage has occurred; 10.4. twice a year – the visual inspection of the wastewater containers and individual wastewater treatment facilities, waste containers and the area or location thereof.

11. Within the scope of the preventive survey of the basic construction of a residential house and the buildings belonging thereto, the following activities shall be performed: 11.1. the visual inspection of the foundations in order to determine whether or not: 11.1.1. subsidence has occurred; 11.1.2. cracks have appeared; 11.1.3. the opening of joints between elements of the house (for example, the foundation blocks or panels) has occurred; 11.1.4. the plaster work has peeled away; 11.1.5. the cold and damp has caused damage; 11.2. the visual inspection of load-bearing walls, coverings and stairs in order to determine whether or not: 11.2.1. subsidence has occurred; 11.2.2. the opening of joints between elements of the house (for example, the foundation blocks or panels) has occurred; 11.2.3. deformities have occurred (for example, buckling, flexures); 11.2.4. damp or mould patches, damage caused by condensation or damage to paintwork have occurred; 11.3. a visual inspection of the roof and the roof overhang: 11.3.1. roof-bearing constructions; 11.3.2. roof covering; 11.3.3. roof joints; 11.3.4. roof hatches and junctions; 11.3.5. on the cleanliness of gutters; 11.4. the visual inspection of facade elements: 11.4.1. on facades, balconies, plinths and cornices; 11.4.2. on windows and doors, their frames, gaskets, locks, hinges, glazing or surface, as well as coverings of wood window and door frames; 11.5. the visual inspection of chimneys and flues, in order to determine whether or not cracks and damage caused by damp have occurred; 11.6. the visual inspection of cellar premises: 11.6.1. on walls, floors and ceilings in order to determine whether or not damp or mould stains or condensation have occurred; 11.6.2. in order to determine whether or not condensation has occurred on drainpipes or other structures in the cellar premises; 11.6.3. in order to determine whether water is seeping in. [20 September 2011; 7 January 2014]

12. Once a year the visual inspection of the residential house and the floor, ceiling and wall surfaces of the internal premises belonging thereto shall be performed, in order to determine Translation © 2016 Valsts valodas centrs (State Language Centre) 3 whether or not cracks, subsidence or condensation, or other mould promoting factors or mould fungi have occurred.

13. Once a month the visual inspection of the engineering communications shall be performed: 13.1. on the heating system; 13.2. on the water supply system; 13.3. on the drainage system; 13.4. on the ventilation system and air conditioning equipment; 13.5. on the gas supply system. 13.1 Within the scope of a visual inspection, a leakage test of the engineering communication entry points and the windows, doors, hatches, shafts and other facilities and elements in the common premises shall be performed, in order to determine whether or not damage or other circumstances leading to an escape of heat into the external environment has arisen. The visual inspection intervals for the winter and summer period shall be determined by the residential house administrator. [20 September 2011 / Paragraph shall come into force on 1 January 2012. See Paragraph 24]

14. In addition to the inspections referred to in Paragraphs 10, 11, 12, 13, and 13.1 of this Regulation, a visual inspection shall also be performed following gales, floods, heavy precipitation, and other natural disasters which may cause damage to a residential house and the facilities and the engineering communications contained therein, as well as following emergency situations which may cause a threat. [20 September 2011]

15. If damage to a residential house or the facilities and the engineering communications located therein are determined during a visual inspection, the administrator shall: 15.1. decide on the performance of emergency repairs, if any of the damages referred to in Paragraph 17 of this Regulation are determined; 15.2. decide on the arrangement for the performance of tasks for technical surveys, the performance of planned repairs and the additions to the administrative work plan or residential house renovation or reconstruction, if the residential house administrator is the residential house owner or administrator who is authorised to take such a decision; 15.3. prepare recommendations for the residential house owner (association of apartment owners) for the taking of the decision on the arrangement for the performance of tasks for technical surveys, the performance of necessary repairs and the additions to the administrative work plan or residential house renovation or reconstruction, if the residential house is managed by an administrator who is not authorised to take such a decision. [20 September 2011] 15.1 If conditions which cause the escape of heat into the surrounding environment are determined during a visual inspection, the administrator shall ensure the performance of the measures referred to in Paragraph 23 of this Regulation for improving energy efficiency. [20 September 2011 / Paragraph shall come into force on 1 January 2012. See Paragraph 24]

16. The technical survey of a building shall be performed if the average lifetime referred to in Annex 2 to this Regulation has passed since the residential house and the buildings (structures) belonging thereto were put into operation or in accordance with the relevant Translation © 2016 Valsts valodas centrs (State Language Centre) 4 residential house solidity group (Annex 1) for the respective part of the building or built-in building wares. 16.1 The sample Residential House Survey Registration Log is indicated in Annex 3 to this Regulation. [20 September 2011] III. Time Periods for the Rectification of Damages to a Residential House, the Facilities and the Engineering Communications Located Therein

17. Emergency repairs shall be performed if the following damages to a residential house and the facilities and the engineering communications located therein are determined: 17.1. leaking of the roof covering; 17.2. damage to water downpipes, funnels, bends and the securing devices thereof; 17.3. there is no contact of the architectural elements of the facade or the bricks with the wall; 17.4. stratification of the plaster work or cornice elements; 17.5. the glass of windows or doors has been smashed or the window frame leaves have been removed; 17.6. instability of door leaves and closing devices; 17.7. leakages in the floor coverings in the sites of the sanitary facilities as a result of damage to the damp-proofing; 17.8. cracks and damage to stoves or flues, which may lead to the poisoning of persons by flue gases and threaten the fire safety of the house; 17.9. cracks and indensities in chimneys and the clamp sites thereof with stoves; 17.10. damage to pipes and the clamps thereof with fittings, armature and devices; 17.11. damage to the electricity supply cables of a residential house, which may cause interruptions to the electricity supply for lighting or cause malfunctions of devices and engineering communications; 17.12. damage to the heating system during the heating season; 17.13. damage to the gas supply system; 17.14. mould fungi and mould-promoting conditions; 17.15. other damage not referred to in this Paragraph, if regulatory enactments provide for the emergency rectification thereof or if they pose a significant threat; 17.16. damage to the damp-proofing of engineering communication inlets. [20 September 2011]

18. The rectification of damages to a residential house, the facilities and the engineering communications thereof, which are not referred to in Paragraph 17 of this Regulation, shall be performed within a time period specified by the residential house administrator.

19. If circumstances are determined during a visual inspection or technical survey, which may cause the occurrence of damage, the residential house administrator shall perform the necessary measures for the rectification of the circumstances referred to. IV. Requirements for Ensuring the Energy Efficiency of a Residential House [20 September 2011]

20. The residential house administrator shall organise the installation of a meter for measuring the amount of thermal energy consumed, if such has not been installed for a residential house whose thermal energy is supplied by a person other than an energy supply merchant. Translation © 2016 Valsts valodas centrs (State Language Centre) 5

21. The residential house administrator shall plan measures for improving energy efficiency, including the changing of worn-out elements or constructions, if the average consumption of thermal energy of the residential house, in which thermal energy is used for heating of the residential house and preparation of hot water, within the last three calendar years exceeds 200 kWh/m2 per year or 150 kWh/m2 per year, if thermal energy is used for heating of the residential house only. In calculating the average consumption of thermal energy within the last three calendar years, the useful area to be heated in the building shall be taken into account. [7 January 2014]

22. When planning the renovation of a residential house, the residential house administrator shall perform energy efficiency measures which: 22.1. ensure such reduction of the thermal energy consumption of the residential house, that the thermal energy consumption is lower than the thermal energy consumption level referred to in Paragraph 21 of this Regulation; 22.2. ensure a higher saving of thermal energy in relation to the funds required for the implementation of the measures. [Paragraph shall come into force on 1 January 2012. See Paragraph 24]

23. If conditions which facilitate the escaping of heat into the surrounding environment are determined, the administrator shall perform the following measures to improve energy efficiency: 23.1. fit the exterior door with a closing mechanism; 23.2. provide thermal insulation for the heating system pipes and hot water pipes which are located in unheated premises; 23.3. equip the windows and external doors with sealant. [Paragraph shall come into force on 1 January 2012. See Paragraph 24] 23.1 The administrator may decide on performance of energy certification of the residential house for planning of energy efficiency improvement measures. [7 January 2014] V. Closing Provision [20 September 2011]

24. Paragraphs 8.1, 13.1, 15.1, 21, 22, and 23 of this Regulation shall come into force on 1 January 2012. Prime Minister V. Dombrovskis Minister for Economics A. Kampars Translation © 2016 Valsts valodas centrs (State Language Centre) 6

Annex 1 Cabinet Regulation No. 907 28 September 2010 Classification of Residential Houses into Solidity Groups According to the Materials Used, Constructions and Average Lifetime Material of load-bearing Average walls – lifetime of Foundation frameless Roof the Solidity group construction, constructions; construction, Notes residential material material of material house in load-bearing years frame constructions I Extra solid Stone wall, Stone (brick) Monolithic 150 monolithic or large blocks; reinforced concrete and Columns and concrete or metal reinforced beams (cross- beam with a concrete, bars) monolithic including on a concrete infill plate, premanufactured element or pile foundation II Common Stone wall, Stone (brick), Monolithic 125 monolithic large block or reinforced concrete and large panel; concrete, reinforced Columns and reinforced concrete, beams (cross- concrete including on a bars) premanufactured plate, or metal beam premanufactured with monolithic element or pile reinforced foundation concrete or a premanufactured infill III Light- Stone wall, Stone (brick), Timber beam, 100 weight monolithic large block or metal beam with type concrete and large panel a brick wall vault reinforced infill, mixed concrete, construction including on a plate, premanufactured element or pile Translation © 2016 Valsts valodas centrs (State Language Centre) 7 foundation IV Mass Monolithic Stone (brick) Reinforced 70 Batches production concrete and or large panel concrete, 1-316; buildings reinforced premanufactured 1-318; concrete, elements 119 including on a plate, premanufactured element or pile foundation V Mass Monolithic Panel and large Reinforced 60 Batches production concrete and panel concrete, 103; buildings reinforced premanufactured 104; concrete, elements 1-464; including on a 1-467A; plate, 1-602; premanufactured 602P element or pile foundation VI Low-rise Stone concrete, Brick wall or Timber beam, 50 Batches buildings strip concrete timber reinforced M3; framework concrete M4 building and premanufactured log buildings elements, mixed construction Note. The solidity group for family houses and summer houses shall be applied according to the technical nature thereof. Minister for Economics A. Kampars Translation © 2016 Valsts valodas centrs (State Language Centre) 8

Annex 2 Cabinet Regulation No. 907 28 September 2010 Average Lifetime of Structural Elements, Finish and Engineering Appliances [7 January 2014] Average standard lifetime in years Structural elements, finish and engineering depending on the house solidity No. appliances I II III IV V VI 1 2 3 4 5 6 7 8 1. House elements 1.1. Foundations 1.1.1. Reinforced concrete pile 150 125 100 70 60 – 1.1.2. Timber pile, constantly submerged under 150 125 100 – – – water 1.1.3. Monolithic reinforced concrete slabs 150 125 100 – – – 1.1.4. Concrete and reinforced concrete 150 125 100 70 60 50 premanufactured elements and monolithic strip 1.1.5. In a natural stone wall cement mortar – strip 150 125 100 – – 50 and post 1.1.6. In a natural stone wall lime mortar – strip – – 100 – – 50 and post 1.1.7. Brick wall strip and post – – – – – 50 1.1.8. Timber chairs and ground plates – – – – – 50 1.2. Walls and Frames 1.2.1. Frames 1.2.1.1. Monolithic reinforced concrete frames 150 125 – – – – 1.2.1.2. Reinforced concrete premanufactured – 125 100 – – – elements and steel frames 1.2.2. Walls 1.2.2.1. Monolithic reinforced concrete or concrete 150 125 – – – – 1.2.2.2. Brick or hollow ceramic block wall, load- 150 125 – – – – bearing walls of 2.5 bricks and thicker or non-bearing carcass infill wall 1.2.2.3. Brick or hollow ceramic block wall, load- – 125 100 70 60 – bearing up to 2.5 bricks in depth Translation © 2016 Valsts valodas centrs (State Language Centre) 9 1.2.2.4. Light-weight brick or hollow ceramic block – – 100 – – – wall 1.2.2.5. Large panel load-bearing or non-bearing – – – 70 60 – 1.2.2.6. Suspended panels – – – 70 60 – 1.2.2.7. Small block, monolithic expanded-clay – – 100 – – – concrete or breeze concrete 1.2.2.8. Log buildings, lattice work or mixed (stone- – – – 70 60 50 timber) constructions 1.2.2.9. Timber framework or wooden panel – – – 70 60 – buildings 1.2.2.10. Light-weight timber framework buildings – – – – – 50 1.2.2.11. Premanufactured wall panel or block butt- – – – 10 10 – joint 1.2.2.12. Brick wall and large panel external wall 40 40 40 40 40 – additional insulation of polystyrene with a thin layer of plaster rendering 1.2.2.13. Brick wall and large panel external wall 40 40 40 40 40 – additional insulation of rock wool with a thin layer of plaster rendering 1.2.2.14. Brick wall and large panel external wall 75 75 75 70 60 – additional insulation of polystyrene with cavity and sheet metal, stone slab cladding 1.2.2.15. Brick wall and large panel external wall 100 100 100 70 60 – additional insulation of rockwool with cavity and sheet metal, stone slab cladding 1.2.2.16. Wooden external wall additional insulation – – – – – 50 of polystyrene with a thin layer of plaster rendering 1.2.2.17. Wooden external wall additional insulation – – – – – 50 of rock wool with a thin layer of plaster rendering 1.2.2.18. Wooden external wall additional insulation – – – – – 50 of polystyrene with cavity and sheet metal cladding 1.2.2.19. Wooden external wall additional insulation – – – – – 50 of rock wool with cavity and sheet metal cladding 1.2.2.20. Monolithic reinforced concrete external wall 75 – – – – – insulation of polystyrene with a thin layer of plaster rendering 1.2.2.21. Monolithic reinforced concrete external wall 100 – – – – – insulation of rock wool with a thin layer of plaster rendering Translation © 2016 Valsts valodas centrs (State Language Centre) 10 1.3. Balconies, Loggias and Porches 1.3.1. Large-sized reinforced concrete slab loggias 100 100 60 50 60 – and balconies 1.3.2. Metal cantilever beam balconies 70 70 50 – – – 1.3.3. Porches with reinforced concrete and 70 70 50 40 40 – concrete steps 1.3.4. Porches with wooden steps – – – – 20 20 1.4. Coverings 1.4.1. Monolithic reinforced concrete 150 125 100 – – – 1.4.2. Reinforced concrete premanufactured decks 150 125 – – – – in buildings with walls of 2,5 bricks and thicker 1.4.3. Reinforced concrete premanufactured decks – 125 100 70 – – in buildings with walls of up to 2,5 bricks thick 1.4.4. Reinforced concrete premanufactured – – – 70 60 – coverings in large panel buildings and in buildings with light-weight stone walls 1.4.5. Stone, concrete or reinforced concrete vaults 150 125 100 – – – 1.4.6. Reinforced concrete small-sized 150 125 100 – – – premanufactured element or monolithic premanufactured element coverings 1.4.7. Metal beam coverings with reinforced – 125 100 – – – concrete premanufactured elements, monolithic reinforced concrete, concrete or stone vault infill 1.4.8. Plastered metal or timber beam mezzanine – 60 60 – – – floor coverings with a timber construction infill beneath the residential premises and auxiliary premises 1.4.9. Plastered metal or timber beam mezzanine – 30 30 – – – floor coverings with a timber construction infill beneath the sanitary facilities and kitchens 1.4.10. Plastered metal or timber beam attic – 30 30 – – – coverings with a timber construction infill 1.4.11. Non-plastered light-weight construction – – – – – 50 timber beam coverings 1.4.12. Additional insulation of polystyrene for attic 70 70 70 70 60 50 covering 1.4.13. Additional insulation of rock wool for attic 100 100 100 70 60 50 coverings 1.4.14. Additional insulation of polystyrene for 60 60 60 60 60 – Translation © 2016 Valsts valodas centrs (State Language Centre) 11 cellar coverings (cellar ceiling), passages 1.4.15. Additional rock wool insulation for cellar 70 70 70 70 60 – coverings (cellar ceilings), passages 1.5. Load-bearing Roof Elements 1.5.1. Reinforced concrete premanufactured 150 125 100 70 60 – element decks 1.5.2. Reinforced concrete and metal load-bearing 100 100 100 70 – – premanufactured elements (for example, rafters, purlins) 1.5.3. Timber load-bearing elements (for example, 100 100 80 70 – 50 rafters, roof structure, purlins, roof boarding, sheathing) 1.6. Roof Covers 1.6.1. Corrugated and flat asbestos-cement sheets – 40 40 40 – 40 1.6.2. Fibrous cement sheets 80 80 80 – – 50 1.6.3. Corrugated synthetic material sheets – – 50 – – 50 1.6.4. Corrugated bituminous material sheets – – 40 40 – 40 1.6.5. Clay tiles 150 125 100 – – 50 1.6.6. Concrete tiles 90 90 90 – – 50 1.6.7. Rolls of damp-proof course in 3-4 layers – 25 25 25 25 – 1.6.8. Rolls of damp-proof course in 1-2 layers – – 15 – – – 1.6.9. Rubberised bitumen (shingle) covers – 50 50 – – 50 1.6.10. Reinforced mastic covers – 30 30 30 30 – 1.6.11. Unreinforced mastic covers – 15 15 15 15 – 1.6.12. Smooth galvanised sheet metal covers 40 40 40 40 – 40 1.6.13. Smooth black sheet metal covers – – 20 – – 20 1.6.14. Fluted large-sized steel sheet covers 50 50 50 – – 50 1.6.15. Fluted small-sized steel element (for 40 40 40 – – 40 example, tile) covers 1.6.16. Reed and straw covers – 125 100 – – 50 1.6.17. Chipboard, shingle and board covers – – 30 – – 30 1.6.18. Sheet metal cover finishing coat (non – 10 10 10 – 10 HAMMERIT type) 1.6.19. Pitched roof snow barriers 30 30 30 30 – 30 1.7. Roof Drainage System 1.7.1. External plastic channels and drainage pipes 50 50 50 50 – 50 1.7.2. External industrially coated channels and 50 50 50 50 – 50 drainage pipes, facade overhang covers 1.7.3. External galvanised sheet metal channels 35 35 35 35 – 35 Translation © 2016 Valsts valodas centrs (State Language Centre) 12 and drainage pipes, facade overhang covers 1.7.4. Internal cast iron drainage pipes 60 60 60 60 60 50 1.7.5. Internal polymer material drainage pipes 70 70 70 70 60 50 1.7.6. Channel and drainage pipe electric heating 20 20 20 – – 20 systems 1.8. Stairs 1.8.1. Monolithic reinforced concrete (load- 150 125 100 – – – bearing section) 1.8.2. Reinforced concrete premanufactured 150 125 100 70 60 – element (load-bearing section) 1.8.3. Reinforced concrete, concrete step to 100 100 100 – – – reinforced concrete and metal stringers (load-bearing section) 1.8.4. Reinforced concrete, concrete, stone, brick 70 70 70 70 60 – wall step (surface) 1.8.5. Timber constructions in the section above – 40 40 – – 50 ground 1.8.6. Timber constructions in cellars – 30 30 – – 40 1.9. Partition Walls 1.9.1. Convertible 50 50 50 – – 50 1.9.2. Reinforced concrete – – – 70 60 – 1.9.3. Brick wall, concrete and ceramic block 150 125 100 70 – – 1.9.4. Glass block or fluted glass 70 70 70 – – – 1.9.5. Gypsum concrete large panel, gypsum – 70 70 70 60 – concrete or aerated concrete panels or blocks 1.9.6. Wooden panel and timber, plastered, – 50 50 – – 50 between rooms 1.9.7. Wooden panel and timber, plastered, in – 20 20 – – 20 sanitary facilities and kitchens 1.9.8. Timber frame, panelled, blocked – 40 40 – – 40 1.9.9. Metal frame, with gypsum board sheet 50 50 50 50 50 50 panelling 1.10. Floors 1.10.1. Concrete screed – 50 50 50 50 – 1.10.2. Cement screed – 30 30 30 30 30 1.10.3. Teraco screed 60 60 60 – – – 1.10.4. Brick screed – – – – – 50 1.10.5. Mastic (polyvinylacetate) 15 15 15 70 60 – 1.10.6. Mastic (for example, polyester, 20 20 20 20 – – Translation © 2016 Valsts valodas centrs (State Language Centre) 13 polyurethane) 1.10.7. Cement, ceramic and stone mass tiles 70 70 70 70 60 50 1.10.8. Polymer material tiles (for example, – 10 10 10 10 10 polyvinylchloride) 1.10.9. Linoleum or rubber linoleum 20 20 20 20 20 20 1.10.10. Timber boarding on soils – 20 20 – – 20 1.10.11. Timber boarding on coverings 30 30 30 – – 30 1.10.12. Gypsum board floor foundations 70 70 70 70 60 50 1.10.13. Fibre board panels – – 15 15 15 15 1.10.14. Chipboard slab floor foundations 40 40 40 40 40 40 1.10.15. Parquetry floor panels 80 80 80 70 60 50 1.10.16. Parquet blocks, mosaic parquet or parquet 70 70 70 70 60 50 panel, hardwood laminate parquet 1.10.17. Laminate parquet 25 25 25 25 25 25 1.10.18. Plywood floor foundations 40 40 40 40 40 40 1.10.19. Carpet-type - textile 15 15 15 15 15 15 1.11. Heating Devices 1.11.1. Fixed and Central Heating Devices 1.11.1.1. Stoves with solid heating fuel 100 100 100 70 60 50 1.11.1.2. Fireplaces with solid heating fuel 100 100 100 70 60 50 1.11.1.3. Ranges with solid heating fuel 50 50 50 – – 50 1.11.1.4. Ranges with heating wall and solid heating 50 50 50 – – 50 fuel 1.11.1.5. Floor heating system with polymer material 40 40 40 40 40 – pipes 1.11.1.6. Floor electric heating cable system 40 40 40 40 40 – 1.11.2. Portable Heating Devices 1.11.2.1. Portable ranges, stoves and fireplaces with – 20 20 20 20 20 solid heating fuel 1.12. Windows and Doors 1.12.1. Wood frame windows and balcony doors 20 20 20 20 20 20 1.12.2. PVC windows in plastic frames 20 20 20 20 20 20 1.12.3. PVC windows in glued wood frames 20 20 20 20 20 20 1.12.4. PVC windows in aluminium/wood frames 20 20 20 20 20 20 1.12.5. Doors in apartment premises 40 40 40 40 40 40 1.12.6. Entry doors of apartments 40 40 40 40 40 40 1.12.7. External wood doors of houses 30 30 30 30 30 30 1.12.8. External steel doors of houses 50 50 50 50 50 50 Translation © 2016 Valsts valodas centrs (State Language Centre) 14 1.12.9. External PVC doors of buildings in plastic 10 10 10 10 10 10 frames 1.12.10. External PVC doors of buildings in 25 25 25 25 25 25 aluminium frames 1.12.11. Closing mechanisms for external doors 15 15 15 15 15 15 1.12.12. Garage doors – – – – – 30 1.13. Interior Finish 1.13.1. Wall surface plaster 60 60 60 50 50 – 1.13.2. Timber surface plaster – walls, ceilings on a 40 40 40 – – 40 wooden lath lattice 1.13.3. Ceramic tile finish 60 60 50 50 50 50 1.13.4. Gypsum board sheet finish 30 30 30 30 30 30 1.13.5. Paintwork with water colours 5 5 5 5 5 5 1.13.6. Paintwork with emulsion paints 7 7 7 7 7 7 1.13.7. Paintwork with oil or synthetic paints, 10 10 10 10 10 10 enamels and varnishes 1.13.8. Finish with wallpaper or textile 10 10 10 10 10 10 1.14. External Finish 1.14.1. Natural stone finish 150 125 100 – – – 1.14.2. Finish with cement (MINERIT type) or – 70 70 70 60 – ceramic plates 1.14.3. Finish with carpet mosaic tiles – 30 30 30 30 – 1.14.4. Terrazzo plaster 70 50 50 – – – 1.14.5. Brick wall finish in gauged mortar 70 50 50 50 – – 1.14.6. Brick wall finish in lime mortar – 50 50 – – – 1.14.7. Stone or finish lime paint – 20 20 – – – 1.14.8. Stone or finish silicate paint 20 20 20 – – – 1.14.9. Stone or finish polymer paint 20 20 20 – – – 1.14.10. Stone or finish silicone-treated paint 25 25 25 – – – 1.14.11. A thin layer of plaster on lath along the 40 40 40 30 30 – external layer of effective thermal insulation 1.14.12. Wooden surface oil paint (on southern 3 3 3 3 3 3 facades) 1.14.13. Wooden surface oil paint (on northern 10 10 10 10 10 10 facades) Translation © 2016 Valsts valodas centrs (State Language Centre) 15 2. Engineering Communications and Associated Engineering Installations 2.1. Cold Water-Pipe and Sewerage 2.1.1. Galvanised tube piping (with threaded 30 30 30 30 30 30 sockets) (galvanised sockets are not recommended) 2.1.2. Piping from black steel gas pipes 15 15 15 15 15 15 2.1.2.1. Multi-layer piping 15- 15- 15- 15- 15- 15-20 20 20 20 20 20 2.1.2.2. Plastic piping (with chlorine elements) 15- 15- 15- 15- 15- 15-20 20 20 20 20 20 2.1.3. Sewerage piping with cast iron pipe fittings 60 60 60 60 60 60 2.1.4. Sewerage piping with plastic pipe fittings 70 70 70 70 70 70 2.1.5. Toilet taps 30 30 30 30 30 30 2.1.6. Ceramic washbasins 30 30 30 30 30 30 2.1.7. Ceramic toilets, bidets 30 30 30 30 30 30 2.1.8. Flushing cisterns 150 125 100 70 60 50 2.1.9. Polymer material baths 30 30 30 30 30 30 2.1.10. Enamelled cast-iron baths 60 60 60 60 60 60 2.1.11. Enamelled metal baths 50 50 50 50 50 50 2.1.12. Shower cabins with enamelled metal trays 30 30 30 30 30 30 2.1.13. Dishwashers and stainless steel kitchen 40 40 40 40 40 40 sinks 2.1.14. Cast iron dampers and valves 40 40 40 40 40 40 2.1.15. Brass valves 40 40 40 40 40 40 2.2. Hot-Water Pipe 2.2.1. Galvanised piping systems (only with 20 20 20 20 20 20 threaded sockets) with a vent and water filtration (galvanised pipes not recommended) 2.2.2. Galvanised piping systems (only with 15 15 15 15 15 15 threaded sockets) without water preparation (galvanised pipes not recommended) 2.2.2.1. Multi-layer piping 15- 15- 15- 15- 15- 15-20 20 20 20 20 20 2.2.2.2. Plastic piping (with chlorine elements) 15- 15- 15- 15- 15- 15-20 20 20 20 20 20 2.2.2.3. Black steel gas pipes 10 10 10 10 10 10 2.2.3. Mixing valves (globe) 30 30 30 30 30 30 2.2.4. Towel airers (galvanised piping, nickel- 30 30 30 30 30 30 plated, only with threaded sockets, on hot Translation © 2016 Valsts valodas centrs (State Language Centre) 16 water pipes) 2.2.5. Cast iron dampers and valves 2.2.6. Brass valves and cone-shaped taps 40 40 40 40 40 40 2.2.7. Bath stoves (with solid heating fuel) 25 25 25 25 25 25 2.3. Central Heating 2.3.1. Radiators (cast iron) 50 50 50 50 50 50 2.3.2. Calorifers in stairwells 40 40 40 40 40 – 2.3.3. Convectors 40 40 40 40 40 40 2.3.4. Risers 40 40 40 40 40 40 2.3.4.1. Heating element connection leads, copper 50 50 50 50 50 50 risers 2.3.4.2. Heating element connection leads, multi- 50 50 50 50 50 50 layer risers 2.3.5. Main pipelines (polymer material) 50 50 50 50 50 50 2.3.6. Internal main pipes, steel, industrially 50 50 50 50 50 50 insulated 2.3.7. Main pipelines (polymer material) 50 50 50 50 50 50 2.3.8. Pipe insulation (rock wool) 50 50 50 50 50 50 2.3.9. Dampers 40 40 40 40 40 40 2.3.10. Valves 40 40 40 40 40 40 2.3.11. Individual heating unit heat exchanger 40 40 40 40 40 40 2.3.12. Individual heating unit hot water heat 40 40 40 40 40 40 exchanger 2.3.13. Individual heating unit automatic regulating 40 40 40 40 40 40 device 2.4. Premise Vents and Ventilation 2.4.1. Electric fans 40 40 40 40 40 40 2.4.2. Vent channels (in walls) 100 100 70 70 60 50 2.4.3. Fixed conditioners 40 40 40 40 40 40 2.4.4. Ventilation air pipes, tin, industrially 50 50 50 50 50 50 manufactured 2.5. Dry Waste Pipes 2.5.1. Waste shafts, valves, dampers – – – 30 30 – 2.5.2. Waste collection chamber – – – 70 60 – 2.5.3. Ventilation – – – 30 30 – 2.5.4. Shaft – – – 70 60 – 2.6. Natural Gas and Liquid Gas Installations 2.6.1. Natural gas pressure reduction device 50 50 50 50 50 50 Translation © 2016 Valsts valodas centrs (State Language Centre) 17 2.6.2. Internal piping 50 50 50 50 50 50 2.6.3. Gas ranges 20 20 20 20 20 20 2.6.4. Gas water heaters 15 15 15 15 15 15 2.6.5. Gas heating devices 20 20 20 20 20 20 2.7. Electric Installations 2.7.1. Electricity supply inlet switching station 40 40 40 40 40 40 devices 2.7.2. Main electricity supply copper cables 40 40 40 40 40 40 2.7.3. Apartment electricity supply copper cables 40 40 40 40 40 40 2.7.4. Electricity supply for the stand-by lighting 30 30 30 30 30 30 in communal premises 2.7.5. Manufacturing and technical premises 40 40 40 40 40 40 lighting supply 2.7.6. Elevator and hoist mains supply 30 30 30 30 30 30 2.7.7. Mains supplies for built-in appliances 40 40 40 40 40 40 2.7.8. Household electric ranges 30 30 30 30 30 30 2.8. Low-Intensity Current Devices 2.8.1. Supply installation for house internal 30 30 30 30 30 30 communications and security, fire-fighting and alarms 2.8.2. Supply installation for house internal 30 30 30 30 30 30 communications and security, sensors, measuring devices etc. 2.8.3. Intercom supply installation 30 30 30 30 30 30 2.8.4. Intercom elements in apartments 30 30 30 30 30 30 2.8.5. Portable intercom elements (by entrances) 30 30 30 30 30 30 2.8.6. Electric switches for intercom installations 30 30 30 30 30 30 2.8.7. Building management system (BMS) 50 50 50 50 50 50 2.9. Passenger Elevators 2.9.1. Passenger elevators 30 30 30 30 30 – 2.10. External Water Pipe, Sewerage and Heating Supply Engineering Networks 2.10.1. Water pipe inlet, cast iron pipes 40 40 40 40 40 40 2.10.2. Water pipe inlet, steel pipes 40 40 40 40 40 40 2.10.3. Water pipe inlet, polymer material pipes 50 50 50 50 50 50 2.10.4. Courtyard household, rainwater drainage 40 40 40 40 40 40 system and building sewer, cast iron pipes 2.10.5. Courtyard household, rainwater drainage 50 50 50 50 50 50 system and building sewer, ceramic, polymer material or asbestos-cement pipes Translation © 2016 Valsts valodas centrs (State Language Centre) 18 2.10.6. Draw-off taps 35 35 35 35 35 35 2.10.7. Centralised heating supply circuit 35 35 35 35 35 35 2.10.8. Courtyard gas pipe 50 50 50 50 50 50 2.10.9. Foundation drainage 50 50 50 50 50 50 2.11. External Landscaping 2.11.1 Bituminous concrete covering of roads 20 20 20 20 20 20 2.11.2. Bituminous concrete covering of pavements, 20 20 20 20 20 20 covering along the building perimeter 2.11.3. Areas and footpaths with gravel covering 10 10 10 10 10 10 2.11.4. Areas and footpaths with concrete tile 35 35 35 35 35 35 covering Note. The average standard lifetime of a residential house, the constructive elements, finish and engineering appliances thereof is indicated in normal operational conditions. The average standard lifetime of elements, finish and engineering appliances subject to an aggressive environment shall be applicable by coefficient 0.8 – in a weakly aggressive, 0.6 – in an average aggressive and 0.4 – in a very aggressive environment. Minister for Economics A. Kampars Translation © 2016 Valsts valodas centrs (State Language Centre) 19

Annex 3 Cabinet Regulation No. 907 28 September 2010 Residential House Survey Registration Log [20 September 2011] Surveyor Object to be Activities (name of surveyed required for the legal (residential house or the person or Date of part thereof, name Survey rectification given No. Signature survey of installation or result of damages name, element, type of (if damages surname engineering have been of the communication) determined) natural person) Translation © 2016 Valsts valodas centrs (State Language Centre) 20