Circular 13/tt-Btnmt/2014: Technical Investigation Regulations, Surface Water Resources Assessment

Original Language Title: Thông tư 12/2014/TT-BTNMT: Quy định kỹ thuật điều tra, đánh giá tài nguyên nước mặt

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DEPARTMENT OF RESOURCES AND ENVIRONMENT
Numbers: 12 /2014/TT-BTNMT
THE SOCIALIST REPUBLIC OF VIETNAM.
Independence-Freedom-Happiness
Hanoi, February 17, 2014

IT ' S SMART

Investigative technical regulation, water resource assessment

________________

National Resources Law Base 17 /2012/QH13 June 21, 2012;

Base of Protocol 21 /2013/NĐ-CP March 4, 2013 of the Government regulates the functions, duties, powers, and organizational structure of the Ministry of Natural Resources and Environment.

At the suggestion of the Secretary of the Department of Water Management, the Director General of the National Water Planning and Investigation Center, the Chief of Science and Technology Affairs and the Chief Legal Affairs Department;

The Minister of Natural Resources and the Environment of the Executive Committee of the Information Technical Regulation, assessed the water resource.

- I

GENERAL REGULATION

Number one. Adjustment range

This information regulates the investigation content, the assessment of the surface resources and the technical guidance of the investigation, the assessment of the surface resources.

Article 2. Subject applies

It applies to state management agencies on water resources; organizations and individuals carry out investigation projects, evaluating surface water resources on Vietnamese territory with 1:200,000, 1:100,000, 1 :50,000, 1:25,000.

Third. Purpose of investigation, assessment of surface water resources

1. Create a set of information, the data that is fully reflected in the state of the state of the investigation, which determines the issues of the exploitation of the country, the quality of water, and the other relevant issues.

2. Serve the state management of water resources in the Central and Local Water resources.

3. As the basis for the planning of water resource planning and economic development planning-the society in the provinces, the Central City and the River Basin.

4. Serve for the needs of extraction, use of water resource information for industries, localities, organizations, individuals involved in the exploitation of use, protection and development of water resources.

Chapter II

THE CONTENT OF THE INVESTIGATION, THE ASSESSMENT OF THE SURFACE RESOURCES

What? 4. Set up the investigation project, assess surface water resources

1. The establishment, appraisal, approval, organization of implementation, recovery and discussion of the products of the projects, the project performs in accordance with the existing regulations.

2. The investigation project, which evaluated the country's resources that could project its own project or in the project, the joint project for both the water supply and water under the soil called the project water resource investigation corresponds to the rates.

What? 5. Content Project Content assessment, assessment of surface water resources

1. Foreign Work:

a) Preparing

Take on the task of investigating the field; identify the object, scope of the field investigation; planning, methodology, route of inquiry into the field; preparation of the manifold, materials, tools, and machinery, the device serving the investigation; local contact and other works. All right.

b) conduct field investigation

The investigation, gathering, updating information, data on characteristics, the situation of water resources at local agencies in the area of the investigation; investigation according to the identification; measurements of the flow; taken and preserving the sample water analysis in the laboratory; investigation. The extraction works, the use of water; fintech the number of field investigations, maintenance of the daily machinery; the investigation, gathering additional information.

c) foreign work products

The report results in the field investigation; the actual document diagram of the glands and the location of the investigation points on the topographic background corresponding to each rate; aggregation tables, statistical results statistics at each of the rivers, lakes and mining works, using the same terms. used by rivers, lakes by river basin, administrative units; catalogue lists of rivers, reservoirs, natural ponds and mining works using water on the river investigated; investigative ballots, field records, field investigators, and census documents. It's different.

2. Internal work:

a) Collation, scan of information, data before the field and deployment of investigation work, assessment of surface water resources;

b) The synthesis, processing, processing of information, data collected after the course of the field investigation and the results of the field investigation according to the assessment content;

The product aggregation, orthography, information processing, data collected after the field investigation and the results of the field investigation according to the assessment content include: The composite tables, which statistics aggregation results according to each river basin, the unit. Administrative; the table of catalog of rivers and points, the area that investigated the synthesis; the section of the river, the lake, the pond, and the extraction work, the use of the water which investigated the details and other information.

c) The mathematical model tool application.

The product modeling tool application product includes types of reporting on work: Document collection; aggregation, analysis, document processing; data input; model editing; model construction and model construction; model application results.

3. Analysis, assess the status quo, acting on surface water resources including:

a) Analysis, evaluation of river morphology characteristics, river basins, reservoir characteristics, natural lakes of the census subject;

b) Analysis, characteristics assessment, the behavior of rainwater resources by river basin, administrative unit and field of inquiry;

c) Analytic, evaluating characteristics, acting on the number of surface water resources according to the river basin, administrative unit and region of inquiry;

d) Analysis, assessment of water quality by river basin, administrative unit and field of inquiry;

Assessment of the ability to exploit, use of surface water resources for purposes;

e) Define the floating problems associated with the water resource;

g) Product analysis, status quo assessment, surface water resource action including types of specialized reporting types: river system characteristics, lakes; rain water resources characteristics; characteristic, the number of surface water resources; characteristics, physical activity, and other types of water resources. The amount of water, the ability to exploit, to use surface resources; the problems that are ripsided concerning the water resources.

4. Prepare for information content and edit the maps:

a) A map of the actual document of water resources;

b) Map of the surface resources;

c) A map of water quality.

What? 6. Census product records, water resource assessment

The results of the results of the results of the investigation, the assessment of the end in the year or end of the entire project includes:

1. Report the results of the field investigation.

2. Report aggregation results report, assess the water resource.

3. Summary report.

4. themability reports include: A river system feature, lake; features of rain water resources; characteristics, acting on the number of surface resources; traits, acting on water quality; exploitation, use of surface resources; and more striking issues. It ' s about water resources.

5. The maps include: The map of the actual document of water resources; the map of water resources; maps of water quality.

6. Annex: Aggregate tables, statistical results statistics according to each river basin, administrative unit; list of names of rivers and points, the area that investigated the synthesis; the section of the river, lakes, ponds and works of extraction, the use of water. You know, the details, the details, the details.

What? 7. Save and publish the results of investigation, assessment

The storage and publication of the results of the investigation, the assessment of the surface resources is carried out under the current regulation.

Chapter III

INVESTIGATIVE TECHNIQUE, WATER RESOURCE ASSESSMENT

What? 8. The principle of inquiry, water resource assessment

1. Secure the inheritance, synchrony, unity between the investigation, the assessment of the territory, each of the rivers and each of the rivers; between the investigation, the Central assessment with the investigation, the local assessment; between investigation, assessment of the status quo. exploitation of water and soil water with the investigation of the exploitation of the extraction of water resources by the subject matter.

2. Combine tightly between information requirements, state-management data on water resources with information supply, data that serves economic development-social, defense, security, scientific research, education-training and other needs. of the community.

3. Information, the data must be fully collected, reflecting on the status of the state of the investigation area.

4. Data information, the results of a water resource investigation must be periodically reviewed, updated, complementary, aggregated, and published in the system for statistical and environmental statistics.

What? 9. Foreign Works

1. Prepare:

a) Take a mission to investigate the field:

-Study of the field investigation mission and related, limited, area-based investigation, object identification, survey volume;

-Identify the purpose, contents of the information that needs to be investigated;

-Study of manual documentation: The legal text used as a base and other reference materials.

b) Define the object, the scope of the field investigation:

-Range of inquiry: River basin, province, district, township;

-The investigation subject: defined by the rate of inquiry.

Ratio

Rivers, streams (km)

Ponds, lakes, queens.
(d) 3 )

Water Level
(d) 3 /XX_ENCODE_CASE_CAPS_LOCK_ON fuck off.

1:25,000

≥ 10

≥ 100,000

≥ 10,000

1:50,000

≥ 20

≥ 250,000

≥ 20,000

1:100,000

≥ 30

≥ 500,000

≥ 30,000

1:200,000

≥ 40

≥ 1,000,000

≥ 40,000

c) Planning, the project, the course of inquiry into the field:

Based on the requirements for the object, the purpose, the scope of the investigation and the difficulty level of the terrain has been determined to plan, the method, the investigation route:

-Identify the key positions through the actual conditions of understanding the collection of the inquiry area;

-Identify the surface resource investigation:

+ Research in the area of investigation area, traffic situation;

+ Assessment of the difficulty level of the terrain at the investigation area;

+ Define the line on the terrain map corresponding to the investigation rate:

Ratio

Number of lines/field investigations

1:25,000

1/1km 2

1:50,000

1/3 km 2

1:100,000

1/5 km 2

1:200,000

1/10km 2

+ The requirements for the investigation must be monitored according to the investigation subject.

-Building the project, the investigation route:

+ The design of the method of working with local units prior to the scene was to gather specific circumstances and the work content that served the investigation at the scene;

+ Need to be based on actual conditions, defining the method and the logical investigation route;

+ The case of investigating the investigation is otherwise different from the original plan in the industrial work, which should be notified in time for the approved authorities to regulate the investigation of the investigation.

-Troop transport, determine the final point if possible.

d) Preparation of the manifold, materials, tools, and machinery, the device serving the investigation includes:

-The work is done.

-The proportional topographic map corresponds to the rate of inquiry or detail than the investigation rate;

-Journal of inquiry (Appendix 1: Water resource survey log);

-The investigative form (Annex 2A: The investigative form);

-Handbook of traffic, depth (Appendix 2B: Prototype);

-The portable GPS, the wire, the clock.

-Device measuring speed (float, speed, rotation);

-Thermometer, kneeling paper, water quality fast meter for measuring the parameters: temperature, pH, TSS, electrical conducconducation and other basic parameters;

-Water samples and water samples.

-Camera, compass.

-backup kit, flashlight, battery.

Local contacts and other preparations: Contact with departments, departments, local industry-related, information, data, data collection.

2. Progress field investigation:

a) The investigation, gathering, updating information, data on characteristics, the situation of water resources at local agencies in the area of the investigation:

-The investigation collects documents on the condition of water resource situation (in terms of number of water, water quality, floods, droughts, water extraction forms, numbers and type of extraction work) in the locality;

-The investigation, which collects the technical parameters of the reservoir, the characteristic parameters of the natural pond, the extraction status quo uses water at the lakes, ponds; and

-Identify the most important issues associated with local water resources;

-Gathering the general information about the location, the route will conduct a mining investigation using surface water resources (name, surface source, area of the area, location of the investigation);

-Request for information collected:

+ continuity: The continuity over time for each type of information; for the information about rain and traffic required to be a minimum length of 11 years;

+ Consistency: Ensuring orientation has been approved;

+ authentication: A specialized body, competent authority, information, documentation of clear origin;

+ Compaction: The collected document provides information on the subject of water resource assessment;

+ Category: In order to achieve a request for content and project objectives. In addition to the collected information must be updated, selective; the level of document collection corresponds to the regulatory rate specified in appendix 4: The level of document collection corresponds to the rate of inquiry.

b) Investigated by the route defined along the banks of the river, streams, rivers, and squares of the river, streams to observe, description, photography, diagram, area, gathering information, data on characteristics, river morphology, lake characteristics; elements of the image. to the surface of the water resource;

c) Measuring flow:

-The principle of choice of flow measure:

+ The location of the investigation must control the amount of flow of the river, the basin;

+ The chosen position is based on the network of rivers, streams, the extraction work of water;

+ Ensuring the measurement requirements, precise determination of river flow, stream;

+ The distance between the cut sides: It is possible to take an average of 1 km to 5 km measuring a cut, long river, and a short river.

-Standard river selection standard, investigation:

+ The river is relatively straight;

+ There are no waterfalls, beaches;

+ The heart of the river is not washy, garbage, trees or other obstacles;

+ The water flows relative to it;

+ Current continuous flow;

+ There are no significant human effects that affect the flow state or affect the observational work.

-cross-section measurement density:

Ratio

Surface number/length

1:25,000

1/0.8-1.2 km

1:50,000

1/1.8-2.2 km

1:100,000

1/2.8-3.2 km

1:200,000

1/3.8-4.2 km

-Option position: Measurement of the hydrology based on the scale of the cross-section measured by the rate of inquiry above, the position of measurement of the water resource is tied simultaneously with the position of the horizontal cross-section and the assurance of the following requirements:

+ The location at the site of the administrative border;

+ measurement position at the confluence, distribution;

+ location at the site of river morphology;

+ The measuring position before the dam, the dams, the hydroelectric dam, across the bridge;

+ The position of measurement before the extraction process uses surface water;

+ The position of measurement at the disposal sites directly into the water source.

-Confirm the hydrometer on the cross-section:

+ The number of deep-depth mercury on each cross-section is determined: With the tidal sphere of waters

Water width
(m)

< 50

50-100

100-300

300-1.000

> 1,000

Depth Number

20

20-30

30-40

40-50

50-60

With no effect on the river.

Water width
(m)

< 3

3-5

5-10

10-20

20-40

> 40

Depth Number

2-5

5-7

7-9

9-11

11-13

13-21

+ The number of hydrolometry on each cross-section is specified:

With the waters of the tide.

Water width (m)

< 200

200-500

500-1.000

> 1,000

Number of hydrolated hydrolometry

3

3-5

6-8

9

With no effect on the river.

Water width (m)

< 3

3-5

5-10

10-20

20-40

> 40

Number of hydrolated hydrolometry

1-2

2-3

3-4

4-5

5-6

6-10

-Build a high marker: Where difficult, remote places can use a hypothetical height; it is possible to take advantage of the great rock, the original rock is sure to mold the altitude;

-The measurement process: Define the width of the river by its pole, the tension or the full machine; measure depth and measure the speed at the hydros;

-Draw vertical and horizontal faces:

+ Main River: The shear draw ratio range from 1:100,000 to 1:50,000, cross-section from 1:1,000 to 1:500;

+ River, small stream: The shear draw ratio range from 1:50,000 to 1:10,000, cross-section from 1:500 to 1:200.

-The required factors measure: water level; flow;

-Time to measure:

+ Time measurements run every season for at least 3 months (from the first measure to the last measure in a dry season);

+ In a month at least measured twice, each season ran at least 12 times, reducing the number of measurements at a time of steady exhaustion;

+ When there is a rain, the next measured time is five days.

-Measure mode:

+ Season: With an unaffected region measuring 2-1 at 7h and 19h; with a continuous-tide effect of 24 hours at full time;

+ Flood: With an unaffected area of 4-1 at 1:00, 7h, 13h, and 19h; with a continuous-tide effect of 24 hours at full time.

d) Take and preserve the analytical water sample in the laboratory:

-The sampling density.

-Location placement ensures the following requirements:

+ Before the extraction works using water toward the upstream;

+ At cross-section measuring positions and measure of water levels, traffic;

+ Taking samples of water from 20-30cm, at a minimum of 1m water.

-The sampling process and sample preservation process to observe the quality of the surface in the current regulations;

-The analysis method identifies the quality of water quality performed in the direction of the current national standards or the corresponding analysis standard of international organizations; the method of evaluating the number of analysis results is done in the field. according to the current rules.

It &apos; s investigating the extraction of water.

It is necessary to define detailed content such as: process tasks; scale, process size; water levels; the actual status quo of the building.

e) Editing the field of field investigation, maintenance of the daily machinery device:

-Edit daily:

+ Check, document editing, field book log book;

+ Check, correct the documents, the results of investigation from the investigation positions;

+ The preliminary identification of the volume of information investigated to adjust the plan, the route route (if any);

+ List of documents, data collected, divided into groups;

+ Standardized the collection document, organization into files or tables;

+ Document correction; The logical examination of the document by space and time based on the above-station rule correlation, the lower station, the hydrological climate action conditions and the effects of the natural, social and influence conditions of the human factors. related;

+ Compaction results of survey investigation elements.

-Seasonal (or year-year) seasonal editing of the annual recovery work:

+ Complete information, field investigation data;

+ Processing, corrects investigation results;

+ Overall results of field investigation, diagram building, statistical chart;

+ Construction report results in field investigation. g) investigation, gather additional information.

After sweeping the course of the field investigation, if there is a problem that affects the outcome of the investigation or the impact on the assessment work later, the investigation is required.

What? 10. Internal Work

1. Gather, sweep information, data before the field and deployment of the investigation work, assess the water resources:

a) Collation of information, data related to the investigation area:

-Collecting projects related to the investigation area, the types of maps (topographic maps, administrative maps, vegetation cover);

-On the map, limit the scope of the investigation on the map.

-The preliminary identification of the rivers on the map.

-Gather the document serving the investigation:

+ Consul on the geographical location, the natural conditions of the area: geographical location, terrain, land, and vegetation class;

+ Consul on the hydrology meteorological conditions of the basin: The river network system, the river morphology feature in the research area, the hydrology meteorological station network, the observed situation and the listing of documents, evaluating the quality of materials, the characteristics. the climate (heat regime, sun number, humidity mode, evaporated rainfall mode, wind, storm, tropical depression); hydrology (flow and year flow regime, flow distribution year, flow volatility, flood flow, spring flow, stream flow, slurry flow, stream flow, etc.) );

+ Overall on the status of extraction works, which uses water in the region: The number of works; the process of building processes; construction capacity;

+ Consul on the need for water use and the ability to meet water resources for use in the region: Demand for the development of agriculture and livestock production; requiring a water level to be productive; requiring a water level for industrial production; water requirements. for aquacowork; the use of water in the hydro; to maintain the downstream flow of the river; demand for flood prevention;

+ Overall economic development and economic development.

b) Runder, statistical, full value assessment, reliability levels of information, data collected:

The information, the data, the data included:

-Numbers, direct service data for the project;

-Numbers, indirect service data for the project;

-metrics, data that can use computation;

-Numbers, references.

c) Statistics, catalog of information, data collected.

Set up a statistical list of information, service data for investigative work, water resource assessment. The table structure frame is specified in the 2D appendix: Statistical table templates.

d) Rady, project deployment plan:

-Scanning the results of the collected investigation results, the planning text that performs the forms of work to grasp the volume, progress, plan of the year plan, or a project step due to the authorship of approval, the correlation between the planning step with the goal, the overall task of the project;

-Planning, progress on the main forms of work required for the mission to be delivered;

-Option of time: The floods, the dry season must ensure the safety of the investigator and ensure the request for a timely collection of updates.

Preparing to work:

-Statistics units need to consult with information;

-Build a specific work plan and inform the units that need to consult.

e) Task groups for the groups.

Specific task assignments for groups prior to the launch of the school, a minimum of 3 people and one group of adults.

2. General, orthography, information processing, data collected after the course of the field investigation and the results of the field investigation according to the assessment content:

a) Runder, classification, information, data collected, field investigations serve for evaluation; table statistics documentation and the ability to use those documents for evaluation. The statistics table template is specified in the 2D appendix: Statistical table templates ..

b) Processing, aggregate of information, data, and build expressions, tables, graphs:

-A catalog of depleted rivers, loss of currents; sections of the rivers of erode, landslides; rivers of flooding; sections of rivers that divide, enter, and rivers of contaminated rivers, or have signs of pollution;

-Make the type of graph that turns out the exploitation, use of water over time; the graph shows the chemical composition, water quality; the graph forecasts the need to use the surface of the areas in the future.

c) Set up water resource investigation schemes: Map of depleted rivers, loss of line; sections of rivers of erosion, landslides; rivers that occur; the rivers divide, enter; the rivers are contaminated or have signs of contamination.

3. Mathematical tissue tool application:

a) Analysis, synthesis, and selection of simulation tool tools:

-The synthesis of evaluation model tools, the simulation of the number of water and the justification for the selection of simulation tools;

-Set up the criteria for building a network of hydrographic computing, hydraulic power;

-Analysis, reasoning, and option to build a diagram.

b) Do the simulation of the number of water in space and time on the river basins:

-Scanning the selection of simulated model tools;

-Review of the document situation and the ability to respond and normalize data information;

-Consider the ability to coordinate, associate with other supporting tools;

-Analysis, selection of computational indicators: Only the irrigation calculation, consumption, flood prevention; only the standard of living water, the industry; the maintenance of the downstream flow;

-Building the simulation of the simulation and perform the simulation of the number of water in space and time on the basin: Building the rainy map of the year, the flow relationship of ~ Rain year; the flow of five design QP, the flow of years, with the necessary frequency. Next, the standard flow Q0, the distribution of the five-design flow,; the flow of the design flood, the flow of design, and the definition of the Cvy flow.

c) The calibration, evaluation, evaluation of simulation results, simulation capability, simulation quality:

-Analysis, aggregation of the correction problem results to do input for the test problem;

-Analysis, evaluate the quality of the test problem and measure the ability to take into practice;

-Review, evaluation, record reporting results and transfer of technology.

4. Analysis, assess the status quo, perform surface water resources:

a) Analysis, evaluation of river morphology characteristics, river basins, reservoir characteristics, natural ponds under investigation objects according to the following information groups:

-General information on the number, range of distribution, direction, area, length, width, slope, river grid density of the basin; the flow module;

-A river morphology, river basin and related elements, including: River morphological characteristics, river basins; flood phenomena, flash floods; depleted status, loss of flow, change;

-The characteristic of the reservoir, natural lake ponds and related factors, including: The technical parameters of the reservoir, the characteristic parameters of the natural pond; the purpose of use, the water level of reservoirs, the natural pond; the efficient use of each reservoir;

-Characteristics of natural factors and influences-such as terrain, vegetation, weave, soil use, mining, water use, and other factors.

b) Analysis, characteristics assessment, the behavior of rainwater resources by river basin, administrative unit and the area of investigation in the amount of precipitation of the month, season, year; distribution of precipitation over time and space; the effect of rainfall to flow mode;

c) Analytic, evaluating characteristics, acting on the number of surface water resources according to the river basin, administrative unit and the region of inquiry, including:

-Evaluation of the total amount of water.

-Determine the total amount of water corresponding to different guarantees;

-Specifically, the distribution of water water by space;

-The distribution characteristics for the year in the months, the flood season, the dry season;

-Transfusion of total water during the years;

-The characteristic flow patterns in the fall, drought situation, lack of water on the river basins;

-Characteristics, flood flow specification: The largest flood flow, flood flow module;

-The water resources of reservoirs; lakes, natural ponds.

d) Analysis, assessment of water quality by river basin, administrative unit and investigation area, including:

-Evaluating the generalization of water quality according to different use purposes;

-Evaluating the generalization of physical properties, the generalization, the concentration of basic chemical components; the variation of water quality characteristics through periods;

-tidal zone characteristics, pollution that affects the quality of major extraction works;

-The water quality area responds to the purposes of use.

Assessment of the ability to exploit, use of surface resources for purposes, including: Born, industrial production, agricultural farming, aquacowork, hydropower, water transport, travel services, other purposes.

e) Identitiate the underlying problems associated with the water resource.

Analysis, evaluation of the state of surface resources and the impact of natural conditions, characteristics of economic development-society to determine the underlying issues associated with water resources.

The content of the steps that take the reference in annex 3: General, build a profile of the results of the investigation, evaluate.

5. Preparing information content and editor of maps a) Preparing information content for the maps:

-Water resource reality document map:

+ Status of river systems, streams, reservoirs, natural ponds, extraction works, water use on the river;

+ Current river system status, lake: river network; distribution of reservoirs, dams offering, ponds, natural lakes;

+ Status of land use, vegetation vegetation on the river basin;

+ General investigation lines, detailed investigations points.

-Water resources map:

+ A network of rivers, streams, reservoirs, dams, lakes, natural ponds;

+ average annual precipitation of river basins;

+ The average annual total of the river basins;

+ The average annual flow module of the river basins;

+ Total average winter water of the river basins;

+ Total 3 months of the worst.

+ Total of the most depleted countries;

+ The most exhaustable flow module;

+ The smallest month's average water flow;

+ The smallest monthly flow module;

+ The largest average monthly water flow;

+ The largest flood module.

-Water quality status map:

+ The network of rivers, streams, reservoirs, rising dams, lakes, natural ponds, mining works used on the river;

+ The fast-measuring parameters of the lake waters;

+ The parameters according to the results measure, analyze water quality.

b) Editing maps.

The maps are edited by the current regulation of the Ministry of Natural Resources and the Environment.

Chapter IV

EXECUTION CLAUSE

What? 11. Organization to execute

1. The minister, peer agency chief, government agency, Chairman of the People ' s Committee of the Provinces, the Central City of Central City, the Secretary of the Department of Water Management, General Manager of the National Water Planning and Investigation Center, Prime Minister head of units of the department and organization, the relevant individual responsible for this private practice.

2. The Bureau of Water resource management is responsible for guidance, examining the implementation of this Information.

What? 12.

1. This message has been in effect since 7 April 2014.

2. In the course of execution, if there is an entangrium, the recommended agencies, organizations, individuals reflect timely reflection on the Ministry of Natural Resources and Environment for the study of the amendment, the addition ./.

KT. MINISTER.
Chief.

(signed)

Nguyen Thi Lai