Cabinet of Ministers Regulations No. 334 in 2015 (30 June. No 30 51) regulations on Latvian et seq of the LBN 005-15 "rules" in construction engineering studies Issued in accordance with article 5 of the law on construction of the first part of paragraph 3 of rule 1 et seq of Latvia confirmed the LBN 005-15 "rules" in construction engineering studies. 2. Projects which are developed in or submitted to the būvvald reconciliation rules for the entry into force of the corresponding period in the normative requirements need not be processed according to the Latvian et seq of the LBN 005-15 "engineering studies rules in construction". Projects that are designed based on the planning and architectural tasks, issued up to 2014 October 1, may not be processed according to the requirements of this regulation. The Prime Minister is the Rapidity of the Newsletters instead of Minister of Economics, Minister of health of the Ministry of economy Guntis Belēvič submitted version of the approved by the Cabinet of Ministers of 30 June 2015 by Regulation No 334 Latvian et seq of the LBN 005-15 "engineering studies in the construction of the terms" General questions et seq 1 determine the requirements which are to be followed in carrying out the inženierizpēt, the pārbūvējam and the new, renewable in the design, engineering and construction and during operation. 2. the Inženierizpēt of construction needs include: 2.1. geodetic and topographic survey; 2.2. geotechnical research; 2.3. air research. 3. Newly built, pārbūvējam and design inženierizpēt renewable structures carried out by developing: 3.1 construction intentions documentation: 3.1.1 construction feasibility study; 3.1.2. structure of the potential environmental impacts of construction and operation of forecasting; 3.2. projects: 3.2.1. newly under construction, and renewable pārbūvējam structures; 3.2.2. the projected external inženiertīkl. 4. Construction and geotechnical monitoring during operation carried out in the framework of the special engineering studies to work: 4.1 control of earth work, as well as shipbuilding base and basic construction projects for compliance; 4.2. the times predicting possible construction or veicināto caused adverse geological processes (e.g., hot, noslīdeņ, sufozij, pārmitrināšan) and provide fixes; 4.3. the fixed housing deformation. 5. prior to the commencement of the principal engineering studies will prepare the necessary documentation (such as a technical task, contract). If necessary, the engineering studies work into line with the relevant inženiertīkl or building owner. 6. Engineering Studies Foundation is a technical task that engineering studies work issued to the principal performers. 7. Technical tasks should the following: 7.1 the name of construction and furnish a place (address); 7.2. the Subscriber responsible representative last name, address, and phone number; 7.3. a construction Developer's name (name), address, and phone number; 7.4. the projected construction of the construction method; 7.5. the work deadlines; 7.6. the details of the earlier inženierizpēt of building sites; 7.7. topographic plans, maps or diagrams to design structures, existing structures and inženiertīkl location; 7.8. building site boundaries, inženiertīkl route and possible variants; 7.9. topographic scale determine; 7.10. the technical characteristics of structures (for example, design, loads, level mark); 7.11. the required work to be done, the degree of accuracy and reliability; 7.12. the environmental technical provisions, if any, are required in accordance with the relevant laws and regulations; 7.13. other special or additional requirements and details of other types of research (for example, water supply issues, mineral exploration). 8. The customer is responsible for the technical accuracy of the information provided on behalf of and compliance with the prescribed works. If you change the engineering studies, technical regulations, the costs of additional inženierizpēt shall be borne by the Subscriber. 9. Engineering studies work must not pollute the soil, the subsoil, the terrestrial surface and ground water or cause other damage to the environment, as well as cultural monuments. After the completion of the drilling of exploration to swab or removed and must be rekultiv in the study area. 10. Work during the execution of the prepared documentation is stored in an engineering studies in the archives of the artist work, subject to the Archives Act. 11. Engineering studies the quality of work ensure engineering studies work artist who is responsible for the work carried out in conformity with technical and legislative requirements. 2. Geodetic and topographic survey 2.1. General requirements 12. Geodetic and topographic survey mission is to provide digital, graphic and text information about the terrain object placement and properties for the design and construction of buildings. 13. Geodetic and topographic survey work content and the amount of technical task. Geodetic and topographic survey to be carried out as follows: 13.1. construction site and runs in a horizontal and vertical trying; 13.2. underground inženiertīkl to determine; 13.3. special studies, which are governed by the relevant sectoral regulations. 14. Topographical determine in accordance with the regulations in the Act on high detail topographical information and its central database for specific requirements. 2.2. Geodetic Survey and special works

15. The geodetic research and special works are: water and of water 15.1 seabed measurements; 15.2. the structure of the vertical and horizontal deflection measurement; 15.3. the structure of the surface part of the vertical and horizontal trying; 15.4. trace a line structure; 15.5. the railway node trying; 15.6. geotechnical research developments. 16. the accuracy of the results determined in the technical task, in the light of the technical rules. 17. Water and water courses bottom measurements include: 17.1. determine network; 17.2. determine the shoreline; 17.3. the depth of the point of measurement horizontal trying; 17.4. depth measurement. 18. Water and water depth measured by profile lines. The distance between profiles and height (depth) of the measuring points depending on the purpose of engineering studies determine the technical task. 19. The structure deflection shall be measured in relation to the specially designed vertical or horizontal support of points of the network, which is at least a round higher than possible deformation. Need at least three supporting points. Specially created network attracts national geodetic network. Deformation measurement accuracy, periodicity and duration of the Subscriber is determined depending on the size and nature of the deformation, the construction start and end dates, as well as of the need to take measurements of the shipbuilding operation. 20. Tracing works include: 20.1. route trying to walk up along the axis of the route and the installation of the rapper; 20.2. bar topographical trying; 20.3. the turning point, pickets and strengthening elements of curves; 20.4. longitudinal and šķērsprofil of līmetņošan. 21. when the trace work is not built up areas with temporary signs strengthens the route start, end, and milestones. Right stages these points to strengthen the visibility distance, but not less frequently than every one kilometer. In built up areas, but the route is not secured to attract situations. 3. Geotechnical survey 22. Geotechnical studies carried out and the performance documentation drawn up pursuant to the Latvian et seq of geotechnical design. 3.1. the additional requirements of the Geotechnical research building conversion or restoration needs 23. Shipbuilding conversion or restoration of the Geotechnical research objective is to clarify the geological environment and soil characteristics changes that occurred during the operation of structures, and predict future changes. To perform this task, see: 23.1. areas (area) geotechnical conditions change the factors affecting the handling; 23.2. shipbuilding base soil physical and mechanical properties; 23.3. deformation structures, their causes and prevention options. 24. in addition to this technical task 7 et seq of the set include: 24.1. particulars of the observed deformation; 24.2. the operating rules of technological (for example, existing and anticipated loads on structures, the amount and composition of waste water, drainage and depth); 24.3. the details of the last object crashes and restore jobs. 25. Geotechnical exploration structures conversion or restoration needs make possible handling of the factors impact zone. Geotechnical research should provide the necessary data structures existing basic load-bearing adjustment, strengthening the foundations of the performing or you increase the load, as well as a new basis for the calculations. 26. the hydrogeological work composition and abundance is determined depending on the technical instructions given in the task (for example, the estimated basic type and the type of installation, the basement space a necessity), hydrogeological conditions of complexity (e.g., water runoff, the wet process effects of underground water in aggressive exposure to underground structures) and building density. 27. the basic and core survey and research, as well as eliminating the development to prevent the foot of geotechnical properties of soil deterioration (such as soil uzirdināšan, freezing, soaking). 28. Geotechnical research work documentation in addition to include details of existing basic technical condition (basic design, type and size), the bottom physical and mechanical characteristics outside the framework and basis of the impact area as well as information on the impacts of construction on geological environment and building. 4. Air Research

29. Air the research mission is to provide the land planning, buildings and engineering structures civil design, execution of works and structures necessary to operate information and data on climatic conditions of the site and of the hydrological regime of surface ūdensobjekt. 30. Air research carried out to obtain data on: 30.1 planned areas. capability and development perspective; 30.2. the projected site, inženierinfrastruktūr and the placement of objects and need inženieraizsardzīb; 30.3. in sensitive areas (e.g., flooding, wind and water erosion); 18.9. the necessary structures, design parameters and stability; 5. the structure of operating conditions; waters and atmospheric 30.6. protection and monitoring. 31. Air Research clarified: 31.1. climatic conditions and some meteorological characteristics; 31.2. hydrological conditions (e.g., water, watercourses and coastal hydrological regime); 31.3. hidrometeoroloģisko processes and phenomena. 32. Air the research work are: 32.1. the air element describes the site and the characteristics of the phenomenon of choice; 32.2. the characteristics of surface ūdensobjekt gauge and observation of the data collection, analysis and compilation; 32.3. the survey of the research of the district rekognoscējoš; 32.4. information collection, analysis and collection of data on extreme phenomena hidrometeoroloģiskaj; 32.5. the measurements of surface ūdensobjekt morfometrisk; 20.3. detection of water quality laboratory; 32.7. ūdensobjekt surface observations in the hydrological regime of temporary observation posts or positions; 20.4. hydrological estimates size; 32.9. ūdensobjekt bottom and shore transformation observation (monitoring). 33. Air Research and composition work, depending on the type of site, design safety degree (importance) areas of research grade air technical task. 34. Spatial planning and civil design of buildings and engineering structures are required to set out in table 1 and the phenomenon of meteorological elements and characteristics laid down in table 2 of the hydrological regime of surface ūdensobjekt characteristics. table 1 No. PO box Meteorological elements and phenomena characteristics 1. The temperature of each month, the average temperature of the air temperature absolute minimum and maximum of The coldest and the hottest month average temperature characteristic of the period of 24-hour average temperature 2. The daily average air humidity water vapour partial pressure of gaisāGais relative humidity and moisture range 3. Monthly and annual rainfall, rainfall amount and distribution of snow cover thickness, appearance, reflecting the erosion and disappearance of, time of rainfall intensity 4. Wind wind direction and wind speed of recurrence 5. Solar radiation and low heat mode solar radiation on different oriented to virsmāmGrunt freezing depth average and the biggest 0 0 c temperature depth soil 6. Atmospheric phenomena of icing and frost-weight on the wire, the icing regulations slānisKailsal, snowfall, storms and rainfall recurrence period in table no. 2. PO box Ūdensobjekt characteristics of hydrological regime 1. Level mode the highest, the lowest and the average water table 2. Run-off mode the maximum, minimum and average amount of caurplūdumsNotec layer, and the factor module currents to speed 3. Heat mode water temperature diurnal fluctuations and the turnover time of year 4. Ice water and watercourses mode Frost, ledstāv, ice break and walking laiksLed the thickness of the cover to Melt ice movement and congestion at the 5. Hidroķīmisk water treatment chemical, physical and bacteriological characteristics 6. Solids and processes of suspended and bottom dibensaneš volume and sink ātrumsŪden turbidity 7. Lake water balance, water pietec, condensation, precipitation, runoff and evaporation 8. Mire hydrological regime of groundwater levels and runoff information about 35. meteorological characteristics of elements and phenomena using the Latvian et seq on būvklimatoloģij, as well as representative meteorological station observations and positions. 36. Information on the hydrological regime of surface ūdensobjekt and hidrometeoroloģiskaj phenomena of extreme use: 36.1. earlier work carried out engineering studies reports (reports), archive material and scientific technical publications; 36.2. the air station and published items in the observation data; 36.3. the latest unpublished air station and observation data; 36.4. the testimonies of the inhabitants; 22.7. the structure and details of the services concerned emergency caused by adverse conditions in the air. 37. Information about the surface hydrographic network of the ūdensobjekt, the morfometrisk, drainage and catchment of surface conditions resulting studied areas survey and rekognoscējoš, as well as determine the scale topographic maps and plans. 38. Water quality physical, chemical, and bacteriological characteristics of discovery or take water samples to correcting, laboratory methods, analysis, and evaluate the results thereof. 39. in order to determine the surface of the bed and the coast of the ūdensobjekt transformation processes in the long period of observation networks and be carried out observations (monitoring). 40. the hydrological parameter estimates for the size of the premises concerned to design regulatory framework būvnormatīvo or the applicable standards set out in the annual exceedance probability (collateral) is calculated using the method set out in table 3, or other reasonable means. table 3

Nr. PO box The main hydrological parameters estimates of the size of the hydrological parameter detection techniques 1. Water level and current speed measurements under representative hydrological, water level and flow rate measurement of the temporary postenīGultn morfometrisk measurements and hydraulic calculations 2. Water flow rate average and large rivers (the area of 2000 km2 with a pool and more)-interpolēj the size of estimates from representative hydrological posts, smaller rivers-the Latvian territory in certain empirical relationships or by analogy method of transmitting items of representative hydrological data (if any) To river level 41. item could be considered to be representative, it must meet the following requirements: 25.5. water level measurements regularly (at least twice a day) is made sufficiently long (maximum water level by continuous observation line is longer than 25 years); 41.2. the relationship between the level of the item and the representative of the provisional post are statistically significant (at least the confidence level 95%); 41.3. between the water level and studied under a direct hydraulic connection. 42. to River hydrological item could be considered to be representative, it must meet the following requirements: 42.1. the site and the location of the item between the hydrological and hydrological conditions are such that the required characteristics obtained item can be attributed to the precise place; 26.2. the maximum flow rate continuous observation to determine the line is longer than 25 years; 26.3. other hydrological observation parameter line is so long that you can create a secure connection with a support post. 43. the representative of river hydrological item, take note: 43.1. run-off formation uniformity (similarity); 43.2. the similarity of climatic conditions; 43.3. the factors that can change the size of the natural River drainage (drainage, water intake or discharge). Qualifying course and a water basin in the basin area of the representative items must not differ by more than 10 times. 44. the representative of the sea, Lake or reservoir air station, take note: 44.1. orientation of the coast against the prevailing wind of orientation and direction; 44.2. izrobotīb the shoreline; 27.5. coastal hydrographic characteristics; 27.6. the proper facilities. 45. Temporary observation points (items) in the choice of the site depending on the surface of the ūdensobjekt examined the circuit length, formation in the hydrological regime and climatic features, as well as the projected arrangement of structures. 46. The observation duration temporary observation points depend on the time required to obtain a correlative relationship between the characteristics of one of the observations made during the temporary observation point (item) and the representative on the air. The required duration of observation, depending on the observed characteristics type, defined in table 4. 4. table No. PO box Air mode or process characteristics of the smallest observation duration 1. Inland waters, marine and meteorological element mode one, in which experiencing all the phases in the hydrological regime or climatic season (meteorological elements) 2. Season and extreme hydrological and meteorological elements and phenomena (such as maximum and minimum water level and flow rate, air temperature, precipitation, thermal and ice regime) phase in the hydrological regime or climatic season, during which the corresponding element or phenomenon is observed 3. Bearings, water Bank transformation processes and coastal dynamics of at least one year during the ice-free period 47. Criteria For the size of the air to determine the estimate assumes the size of annual probability of exceedance (collateral), but in the process, the process development up to the projected estimates for the end of the period. Hidrometeoroloģisko estimates the size of the annual exceedance probability and (security) value determines the structure of regulatory design et seq or applicable standards. 48. Ūdensobjekt the hydrological regime and climatic observations and air process research structures are required during operation, if it finds: 29.9. significant differences between construction and used in the actual estimates of magnitude or climatic conditions; 48.2. air element or phenomenon of adverse effects on the shipbuilding sector; 48.3. the construction does not predict the effects on surface ūdensobjekt or next to the condition of the territory. In place of the Minister of Economics, Minister of health of Guntis Belēvič