Regulation on compiling construction standard for land consolidation and rehabilitation engineering
Some standard content:
ICS13.080
Land Management Industry Standard of the People's Republic of China TD/T1045-2016
Regulation on compiling construction standard for land rearrangement engineering2016-04-22 issued
Ministry of Land and Resources of the People's Republic of China
Implementation on 2016-08-01
2 Normative reference documents
3 Terms and definitions
4 Basic principles:
5 Writing steps and methods
5.1 Writing steps,
5.2 Writing methods
6 Writing content and requirements
Overall requirements
Land leveling engineering writing content and requirements
Irrigation and drainage engineering writing content and requirements Field road engineering writing content and requirements: 6.4
Power transmission and distribution engineering writing content and requirements.
Farmland protection and ecological environment conservation engineering writing content and requirements 6.7
Other engineering writing content and requirements. ··.7 Compilation results
7.1 Main results
7.2 Results requirements
Appendix A (Informative Appendix)
Appendix B (Normative Appendix)
Appendix C (Informative Appendix)
References,
Outline for the compilation of "Land Consolidation Engineering Construction Standard" Land Consolidation Engineering System
National Land Consolidation Engineering Type Area
TD/T10452016
TD/T1045—2016
This standard was drafted in accordance with the rules given in GB/T1.1. Foreword
This standard was proposed by the Ministry of Land and Resources of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee for Land and Resources Standardization (SAC/TC93). Drafting unit of this standard: Land Consolidation Center of the Ministry of Land and Resources. The main drafters of this standard are: Fan Shuyin, Bater, Lv Jing, Chen Yuan, Zhang Zhongfan, Tian Yufu, Li Chen, Li Ren, Zhao Qingli, Zhou Shiye, Song Chen, Zhang Zuo, Chen Zixiong, Yang Xiaoyan, Chen Yanlin, Li Shaoshuai. II
1 Scope
Procedure for the preparation of land consolidation project construction standards TD/T10452016
This standard specifies the basic principles, preparation steps and methods, preparation content and requirements, and preparation results for the preparation of land consolidation project construction standards. This standard applies to the preparation and revision of land consolidation project construction standards. 2 Normative references
The following documents are indispensable for the application of this document. For all dated references, only the version with the date is applicable to this document. For all undated references, the latest version (including all amendments) is applicable to this document. GB/T30600-2014 General rules for high-standard farmland construction GB/T50288 Design specification for irrigation and drainage engineering TD/T1033-2012 Standard for high-standard basic farmland construction 3 Terms and definitions
Land consolidation and rehabilitation engineering The general term for various construction measures taken to implement land consolidation 3.2
Land consolidation engineering system engineering system of land consolidation and rehabilitation The structural whole formed according to the types and characteristics of land consolidation projects and their internal connections. 3.3
Land consolidation engineering type area engineering type area of land consolidation and rehabilitation The unit that reflects the regional differences in land consolidation and the basically consistent characteristics of engineering combination. 3.4
Land consolidation engineering mode engineering mode of land consolidation and rehabilitation The combination schemes and styles of various projects established for the implementation of land consolidation. 3.5
Engineering technical index of land consolidation and rehabilitation
Main technical parameters that characterize the construction standards of land consolidation projects. 4 Basic principles
4.1 Adhere to the principle of compliance with laws and regulations and coordination and connection. It should fully reflect the characteristics of engineering types and models in various places and the comprehensiveness of land consolidation in accordance with relevant national, industrial and local laws and regulations, and pay attention to coordination with current relevant technical specifications and the connection with relevant engineering technical indicators. 1
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4.2 Adhere to the principle of advanced technology and scientific rationality. The successful experience of engineering construction should be summarized, and advanced scientific and technological achievements should be applied. The selected indicators and parameters should be scientifically identified or tested in practice, and the adopted technology should be mature and feasible. 4.3 Adhere to the principle of adapting measures to local conditions and economic feasibility. It should be compiled according to the natural resource conditions and land use conditions of different regions, and reasonable technical indicators should be set according to the level of social and economic development and infrastructure conditions. 4.4 Adhere to the principle of seeking truth from facts and multi-party participation. In response to the investigation and research of each region, the preparation of standards should be carried out in a realistic manner. The opinions of experts in relevant fields such as land, agriculture, water conservancy, transportation, forestry, and the general public should be fully listened to when setting technical indicators. 5 Preparation steps and methods
5.1 Preparation steps
5.1.1 Preparation outline
5.1.1.1 Relevant professionals in land, agriculture, water conservancy, transportation, forestry, electricity, environmental protection, etc. should be organized to form a standard preparation group to carry out standard preparation work.
5.1.1.2 Formulate a standard preparation work plan to clarify the guiding ideology, principles, goals, tasks, technical routes, main methods, steps and time schedule, work division, budget, results requirements and guarantee measures of the standard preparation work. 5.1.1.3 Collect, organize and analyze relevant information, set up special research according to the actual situation of various places, and prepare the outline of land consolidation project construction standards on the basis of special research. Please refer to Appendix A for details. 5.1.2 Preparation of the first draft and the draft for comments
5.1.2.1 Analyze relevant data, carry out standardized reference terms, divide type areas, summarize land consolidation engineering models, build engineering systems and clarify key technical indicators.
5.1.2.2 According to the outline, prepare the first draft of the standard provisions and preparation instructions. 5.1.2.3 After the first draft of the standard is completed, it should be discussed and analyzed, opinions and suggestions should be listened to, and the draft for comments should be formed after modification and improvement.
5.1.2.4 The draft for comments should be solicited from relevant departments such as agriculture, water conservancy, transportation, forestry, electricity, environmental protection, finance, construction, relevant experts, and the public. According to the feedback, the draft for review and the summary table for comments will be formed after modification and improvement. 5.1.3 Submission for review and approval
Submit the draft for review or approval, preparation instructions, summary table for comments and other relevant materials of the standard in accordance with the relevant requirements of standardization work for review and approval.
5.2 Writing method
5.2.1 Sampling survey method. Investigate and study the construction content, mode, construction standards and construction effects of land consolidation projects in different types of local areas to provide basic data support for the formulation of standards. 5.2.2 Comprehensive comparative analysis method. On the basis of collecting relevant standards in the fields of land, agriculture, water conservancy, transportation, forestry, electricity, environmental protection, etc., combined with the characteristics of land consolidation project construction, through the comparison, analysis and summary of different standards, provide a basis for the formulation of standards. 5.2.3 Typical case analysis method. On the basis of a comprehensive investigation of the implementation of land consolidation projects in the province, select representative typical cases according to the type of area, analyze the regional characteristics of land leveling, irrigation and drainage, field roads, farmland protection and ecological environment maintenance and other engineering construction in land consolidation, and put forward specific technical requirements. 2
TD/T10452016
5.2.4 Method combining qualitative and quantitative analysis. In the process of dividing the type area, constructing the engineering model, engineering system and determining the specific construction standards, we should use quantitative methods such as spatial data overlay, statistical analysis, cluster analysis, etc. on the basis of qualitative analysis to analyze and determine the division results of provincial type areas, engineering construction conditions and key technical indicators. 5.2.5 System engineering analysis method. Research and analyze the scale and level of land consolidation project construction, as well as the comprehensive impact of the implementation of standards on society, economy and ecological environment, so as to scientifically and reasonably formulate land consolidation project construction standards. 6 Writing content and requirements
6.1 General requirements
6.1.1 Land consolidation includes land leveling, irrigation and drainage, field roads, farmland protection and ecological environment maintenance, power transmission and distribution projects and other construction contents. According to the provisions of GB/T30600-2014, the land consolidation project system in TD/T1033-2012 is adjusted and improved. For details, please refer to Appendix B. When actually compiling the engineering construction standards, the corresponding construction content of the three levels in the land consolidation project system table can be increased or reduced according to the actual situation, and the next level can be divided on the basis of the three levels. 6.1.2 The division of national land consolidation project type areas shall refer to Appendix C. When actually compiling the engineering construction standards, the provincial land consolidation project type areas can be compiled according to the actual situation and the principles, methods and steps for dividing the land consolidation project type areas at the national level. 6.1.3 On the basis of constructing the engineering system and dividing the provincial engineering type areas, the combination scheme of various projects established for the land consolidation goals and consolidation priorities shall be constructed to construct engineering models, analyze the main characteristics, typical engineering layout and main construction contents of each model. 6.1.4 According to the engineering type area, engineering model or engineering system, technical indicators and requirements for the quality, scale, layout and specifications of land leveling, irrigation and drainage, field roads, farmland protection and ecological environment maintenance, power transmission and distribution projects and other projects shall be proposed. 6.1.5 When compiling the specific engineering construction standards, corresponding provisions shall be made in the relevant chapters for adding the third-level projects in the land consolidation engineering system table.
6.2 Contents and requirements for land leveling engineering 6.2.1 General provisions
6.2.1.1 General requirements that must be followed in implementing land leveling projects are proposed from the aspects of accelerating agricultural modernization and large-scale development, increasing cultivated land area, protecting and improving cultivated land quality, facilitating irrigation and expanding the proportion of mechanized farming area. 6.2.1.2 Technical requirements for the basic construction unit of land leveling projects are proposed: layout of cultivated fields. The basic principles of farmland layout are proposed from the aspects of favorable crop growth, ownership adjustment, field management, etc., and the specific construction requirements of farmland are proposed from the aspects of a) irrigation, drainage, windbreak, machinery production, etc. The most basic unit for land leveling in different engineering types and terrains is clarified; b) Flatness. The requirements for the flatness of the most basic unit of land leveling are clarified: d) Field slope. The main influencing factors that should be considered in the construction of field slope are proposed, and the requirements for longitudinal and transverse slopes when constructing different types of farmland plots are proposed.
Cultivated field construction project
6.2.2.1 Strip fields
Requirements are as follows:
Put forward the main factors and specific methods for determining the size of strip fields: a
Put forward the main factors that should be considered when leveling the area and constructing strip fields; b
Put forward specific construction standards in terms of length, shape, etc.: c
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d) Put forward requirements for the material of strip fields under different soil conditions. 6.2.2.2 Terraces
Requirements are as follows:
Specify the type of terraces:
Propose the basic principles for the layout of terraces:
Propose technical requirements for terrace construction based on the topography, soil quality, quality of cultivated land, irrigation and drainage conditions, crop planting, etc. of each project type area;
Propose the field width under different terrace types and different ridge building materials, propose the length of terraces based on the efficiency of mechanical farming, and propose the ridge height, outer slope, top width and other indicators based on different ridge building material types: propose other relevant requirements that should be met when building ridges. e)
6.2.2.3 Other field projects
For other field projects such as terraces, refer to the construction standards of strip fields and terraces to study and formulate their construction standards. 6.2.3 Soil fertility conservation project for cultivated layer
6.2.3.1 Specific requirements for soil fertility conservation of cultivated layer shall be put forward from aspects such as backfill of imported soil, protection of topsoil and quality of leveling: 6.2.3.2 The basic conditions and specific backfilling requirements for imported soil shall be clearly defined for backfilling of imported soil: 6.2.3.3 Specific protection measures, methods and relevant index requirements shall be clearly defined for topsoil protection: 6.2.3.4 Specific indexes or requirements shall be put forward for leveling quality from aspects such as field shape, soil thickness, groundwater level, thickness of cultivated layer, obstacle factors, obstacle layers and physical and chemical properties of cultivated layer soil. 6.3 Contents and requirements for irrigation and drainage project preparation 6.3.1 General provisions
6.3.1.1 Project level
Requirements are as follows:
Propose the requirements for the project level, grade and main indicators of water source projects, water transfer projects, sprinkler and micro-irrigation projects, drainage projects, canal system buildings, pumping stations a) and power transmission and distribution projects for irrigation and drainage projects, which can be implemented with reference to the relevant provisions of GB/T50288; b)
Propose flood control standards for hydraulic structures.
6.3.1.2 Irrigation standards
According to the irrigation method, propose the irrigation design guarantee rate, drought-resistant days or other forms of irrigation standards for different planting structures in various types of areas. 6.3.1.3 Drainage standards
Requirements are as follows:
Combined with local water conservancy planning and drainage requirements, drainage, waterlogging removal, waterlogging removal and alkali treatment standards are proposed from the design rainstorm recurrence period, design rainstorm duration and drainage time, the duration of flooding tolerance of crops, design drainage modulus, design drainage modulus, design drainage depth, waterlogging tolerance depth, waterlogging tolerance time, daily seepage of rice fields and critical depth of groundwater; b) Standards should be described by type area.
6.3.1.4 Irrigation water quality
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Based on the water resources supply and pollution conditions, water quality, water temperature, groundwater mineralization, minimum content of pollutants and other indicators for farmland irrigation are proposed.
6.3.1.5 Irrigation water utilization coefficient
Requirements are as follows:
Clarify the canal water utilization coefficient of the irrigation area according to the irrigation scale: Clarify the field water utilization coefficient according to the water crop irrigation area and the dry crop irrigation area; b)
Clarify the irrigation water utilization coefficient of the irrigation area on the basis of the canal water utilization coefficient and the field water utilization coefficient, and clarify the irrigation water utilization coefficient of the well irrigation area, sprinkler irrigation, c
micro irrigation area, and drip irrigation area; propose a method for determining the irrigation water utilization coefficient of the well-canal combined irrigation area. d)
6.3.2 Water source project
Ponds (dams)
Requirements are as follows:
a) Clarify the level and specific volume range of ponds (dams): Propose the applicable area and site selection requirements of ponds (dams): b)
Clarify the various facilities that constitute ponds (dams) and their specific construction requirements and construction standards. 6.3.2.2 Small weirs (gates)
Required conditions are as follows:
Propose the types and applicable conditions of small weirs (gates) construction; a
Propose the layout requirements for the planning of different small weirs (gates); b)
Describe the engineering structure of small weirs (gates), propose the specific construction requirements of each structure, and clarify the specified indicators of different dam heights, slopes, overflow surfaces, etc.
6.3.2.3 Agricultural wells
Required conditions are as follows:
Propose the planning and layout principles and applicable conditions of agricultural wells: b)
Propose the minimum water output index and minimum control area of agricultural wells: Combined with the classification of types and areas, propose the types of agricultural wells, applicable conditions of various types of agricultural wells, minimum opening depth, well diameter, well distance and control area, etc.;
Propose the regulations of well pipe structure, filter material, well pump and supporting facilities, etc. d)
6.3.2.4 Small rainwater collection facilities
Requirements are as follows:
Propose the types of small rainwater collection facilities, their respective applicable conditions and layout principles: a
Propose the irrigation system and irrigation principles of various types of small rainwater collection facilities, and propose the irrigation times and irrigation quotas of small rainwater collection facilities under different crops and different irrigation methods; b)
Propose to determine the collection flow and project volume.
d) Propose the basic components of small rainwater collection facilities and the specific construction requirements and construction standards of the components. 6.3.3 Water transfer project
TD/T10452016
6.3.3.1Open channel
Required conditions are as follows:
Put forward the applicable conditions and layout requirements for open channel water delivery: Put forward the cross-sectional form of open channel water delivery and the applicable conditions of each water delivery section: Put forward the non-scouring and non-silting flow rate of the channel under different soil conditions: Put forward the minimum slope coefficient of the channel digging and filling under various soil types Put forward the conditions and measures for preventing frost heave in open channel water delivery: Put forward the channel anti-seepage conditions, and put forward the anti-seepage measures to be taken under different leakage conditions: Clarify the requirements for the material, material thickness and material strength of each section anti-seepage design: Put forward the construction requirements for channel expansion joints, settlement joints and drainage holes. g)
Required conditions are as follows:
Put forward the basic requirements for pipeline classification, materials, applicable conditions, planning layout and management: b) Clarify the basic composition and setting requirements of pipeline ancillary facilities. 6.3.3.3 Surface irrigation
Requirements are as follows:
Propose types of surface irrigation
b) Specify the length of different irrigation ditches, the gradient of the ditch bottom, the flow rate into the ditch, and other indicators, as well as the length and width of the irrigation wads, the ground slope, the flow rate per single width into the wads, and other indicators.
6.3.4 Sprinkler micro-irrigation project
6.3.4.1 Sprinkler irrigation
Requirements are as follows:
Propose the use conditions and selection principles, layout requirements and composition of different sprinkler irrigation projects: Specify the water quality requirements of different water sources and the spraying uniformity, spraying intensity, atomization index, daily net spraying time, nozzle working pressure, b)
Skip combination spacing and other technical parameters.
Specific construction requirements are put forward for the layout of sprinkler irrigation pump stations, the setting of water pumps, the front pool or water inlet pool of the pump station, the water pump suction pipe, the water pump outlet pipe, and the c
layout of the pump room plane:
Requirements are put forward for the layout and design of sprinkler irrigation pipe networks and the selection of sprinkler heads. d)
Required conditions are as follows:
General provisions for micro-irrigation projects are put forward. Including the classification of micro-irrigation, the composition of micro-irrigation projects, the classification of micro-irrigation system water supply and distribution pipe networks, the requirements for the material of micro-irrigation pipe networks, etc.:
The use conditions and selection principles, layout requirements and composition of various types of micro-irrigation projects are put forward, and the water quality requirements of different water sources and technical parameters such as the spacing of drip irrigation belts and flow deviation are stipulated. 6.3.5 Drainage Engineering
Open Ditch Drainage
Requirements are as follows:
TD/T10452016
Planning principles and layout requirements should be proposed according to the function of the drainage ditch: Planning principles and layout requirements should take into account topography, engineering geology, hydrogeology, discharge area, and connection with other related facilities, etc., and propose the scope of use and precipitation measures of the drainage ditch lining, drainage ditch bottom elevation, embankment protection width, ditch depth, slope, etc. b)
And Spacing of final drainage ditch, controlled drainage area, etc.: c)
Propose cross-sectional design and longitudinal section design requirements for drainage ditch for various functions such as drainage, drainage, etc. d)
Propose the principles and structural requirements for drainage ditch lining. Clandestine (pipe) drainage
Requirements are as follows:
a) Propose the applicable conditions and layout requirements for closure (pipe) drainage; b) Clarify the basic composition of closure (pipe) drainage, the types of commonly used materials, and the spacing, pipe diameter, depth, etc. of closure (pipe) drainage. 6.3.6 Canal building engineering
6.3.6.1 Water gate
Requirements are as follows:
a) According to the different functions of water diversion and water retaining, propose the use conditions and layout requirements of different types of water gates, propose the structural types of different types of water gates and the corresponding engineering construction standards and requirements. b)）
6.3.6.2 Aqueduct
Requirements are as follows:
a) Propose the scale of aqueduct, common structural types, use conditions and layout requirements; b) Specify the specific engineering construction standards and requirements for aqueduct inlet and outlet, overflow weir, trough body, trash rack, etc. 6.3.6.3 Inverted siphon
Requirements are as follows:
a) Propose the scale of inverted siphon, common structural types, use conditions and layout requirements; b) Specify the specific engineering construction standards and requirements for inverted siphon section, material, inlet and outlet, trash rack, etc. 6.3.6.4 Farm bridges
Requirements are as follows:
a) Propose the scale of farm bridges, commonly used structural types, usage conditions and layout requirements; b) Propose specific engineering construction standards and requirements for each commonly used type of farm bridges. 6.3.6.5 Culverts
Requirements are as follows:
a) Propose the scale of culverts, commonly used structural types, usage conditions and layout requirements, as well as the main technical indicators of culvert projects, etc. b) Propose specific engineering construction standards and requirements for each commonly used type of culverts. 6.3.6.6 Waterfalls and steep slopes
Requirements are as follows:
a) Propose the commonly used scales and structural types of waterfalls and steep slopes, conditions of use and layout requirements, as well as the main technical indicators of waterfall and steep slope projects:
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b) Propose specific engineering construction standards and requirements for various types of commonly used waterfalls and steep slopes; 6.3.6.7 Water measuring facilities
Propose the commonly used structural types of water measuring facilities, scope of use and layout requirements, as well as the main technical indicators of water measuring facilities. 6.3.7 Pumping station
6.3.7.1 The requirements for pumping station
are as follows:
a) According to the functions of different pumping stations, the use conditions and layout requirements of pumping stations, as well as the requirements of scale, structure type, etc. are proposed respectively: the technical regulations for pumping station selection, water pump and supporting motor installation, etc. are proposed: according to the flow index of pumping station, the pump room type, flood control requirements, etc. are proposed.
6.4 Contents and requirements for writing field road engineering 6.4.1 General provisions
The layout principles, width level, scope of use, road structure, road network density, etc. of field roads and production roads should be proposed in combination with local realities and considering the long-term development requirements of rural areas. 6.4.2 The Intermediate Road
proposes the layout principles of field roads at all levels, the basic regulations and construction indicators of the pavement material, subgrade structure, shoulders, etc. of field roads of different widths, the thickness and strength indicators of the pavement and shoulders, the minimum requirements for material ratio, and the requirements for pavement drainage, joints, and road ancillary facilities. 6.4.3 Production Road
proposes the layout principles of production roads, the basic regulations of the pavement material, subgrade structure, shoulders, etc. of production roads of different widths, the thickness and flatness, stability, relationship with the field surface, strength indicators of the pavement and shoulders, and the requirements for pavement drainage, joints, and road ancillary facilities. 6.5 Contents and requirements for the preparation of power transmission and distribution projects
6.5.1 Propose transformer project layout requirements, and specify the capacity requirements of transformers in each power range based on installed capacity and irrigation and drainage requirements: 6.5.2 Propose the layout principles of high-voltage and low-voltage transmission lines: 6.5.3 Propose standard specifications and characteristics of various types of conductors under different voltage levels; propose conditions for selecting the cross-section of high-voltage and low-voltage overhead conductors for power drainage and irrigation, clarify the economic current density, maximum allowable current, and minimum allowable cross-section of the conductors under various conditions, and propose the unit voltage loss value of each conductor: 6.5.4 Propose the pole spacing of transmission line poles, propose the minimum distance of the maximum sag of overhead line conductors to the ground (water surface) or crossing objects, the vertical distance allowed when power and communication lines cross, the minimum distance between two layers of crossarms, the distance between lines, the transmission distance, etc.: Propose the voltage level, conductor specifications, burial method, burial depth, etc. of underground cable transmission. 6.6 Contents and requirements for farmland protection and ecological environment conservation projects 6.6.1 General provisions
6.6.1.1 Farmland flood control standards
Select the type of flood control project and formulate flood control standards. 6.6.1.2 Farmland protection and ecological environment conservation project construction standards 81 Sprinkler irrigation
Requirements are as follows:
Propose the use conditions and selection principles, layout requirements and composition of different sprinkler irrigation projects: stipulate the water quality requirements of different water sources and the spraying uniformity, spraying intensity, atomization index, daily net spraying time, nozzle working pressure, b)
sprinkler combination spacing and other technical parameters.
Propose specific construction requirements for the layout of sprinkler irrigation pump stations, the setting of water pumps, the front pool or water inlet pool of pump stations, water pump suction pipes, water pump outlet pipes, and c)
arrangement of the plane of the pump room:
Propose requirements for the layout and design of sprinkler irrigation pipe networks and the selection of sprinkler heads. d)
Requirements are as follows:
Propose general provisions for micro-irrigation projects. Including the classification of micro-irrigation, the composition of micro-irrigation projects, the grading of micro-irrigation system water supply and distribution pipelines, and the requirements for the material of micro-irrigation pipelines.
Propose the use conditions and selection principles, layout requirements and composition of various types of micro-irrigation projects, and stipulate the water quality requirements of different water sources and technical parameters such as the spacing between drip irrigation belts and flow deviation. 6.3.5 Drainage Project
Open ditch drainage
Requirements are as follows:
TD/T10452016
Planning principles and layout requirements are proposed according to the function of drainage ditches: Planning principles and layout requirements should take into account the topography, engineering geology, hydrogeology, discharge area, and the connection with other related facilities. Propose the scope of use and precipitation measures of drainage ditch lining, drainage ditch bottom elevation, embankment protection width, ditch depth, slope, etc. b)
And Spacing of final drainage ditch, controlled drainage area, etc.: c)
Propose cross-sectional design and longitudinal section design requirements for drainage ditch for various functions such as drainage, drainage, etc. d)
Propose the principles and structural requirements for drainage ditch lining. Clandestine (pipe) drainage
Requirements are as follows:
a) Propose the applicable conditions and layout requirements for closure (pipe) drainage; b) Clarify the basic composition of closure (pipe) drainage, the types of commonly used materials, and the spacing, pipe diameter, depth, etc. of closure (pipe) drainage. 6.3.6 Canal building engineering
6.3.6.1 Water gate
Requirements are as follows:
a) According to the different functions of water diversion and water retaining, propose the use conditions and layout requirements of different types of water gates, propose the structural types of different types of water gates and the corresponding engineering construction standards and requirements. b)）
6.3.6.2 Aqueduct
Requirements are as follows:
a) Propose the scale of aqueduct, common structural types, use conditions and layout requirements; b) Specify the specific engineering construction standards and requirements for aqueduct inlet and outlet, overflow weir, trough body, trash rack, etc. 6.3.6.3 Inverted siphon
Requirements are as follows:
a) Propose the scale of inverted siphon, common structural types, use conditions and layout requirements; b) Specify the specific engineering construction standards and requirements for inverted siphon section, material, inlet and outlet, trash rack, etc. 6.3.6.4 Farm bridges
Requirements are as follows:
a) Propose the scale of farm bridges, commonly used structural types, usage conditions and layout requirements; b) Propose specific engineering construction standards and requirements for each commonly used type of farm bridges. 6.3.6.5 Culverts
Requirements are as follows:
a) Propose the scale of culverts, commonly used structural types, usage conditions and layout requirements, as well as the main technical indicators of culvert projects, etc. b) Propose specific engineering construction standards and requirements for each commonly used type of culverts. 6.3.6.6 Waterfalls and steep slopes
Requirements are as follows:
a) Propose the commonly used scales and structural types of waterfalls and steep slopes, conditions of use and layout requirements, as well as the main technical indicators of waterfall and steep slope projects:
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b) Propose specific engineering construction standards and requirements for various types of commonly used waterfalls and steep slopes; 6.3.6.7 Water measuring facilities
Propose the commonly used structural types of water measuring facilities, scope of use and layout requirements, as well as the main technical indicators of water measuring facilities. 6.3.7 Pumping station
6.3.7.1 The requirements for pumping station
are as follows:
a) According to the functions of different pumping stations, the use conditions and layout requirements of pumping stations, as well as the requirements of scale, structure type, etc. are proposed respectively: the technical regulations for pumping station selection, water pump and supporting motor installation, etc. are proposed: according to the flow index of pumping station, the pump room type, flood control requirements, etc. are proposed.
6.4 Contents and requirements for writing field road engineering 6.4.1 General provisions
The layout principles, width level, scope of use, road structure, road network density, etc. of field roads and production roads should be proposed in combination with local realities and considering the long-term development requirements of rural areas. 6.4.2 The Intermediate Road
proposes the layout principles of field roads at all levels, the basic regulations and construction indicators of the pavement material, subgrade structure, shoulders, etc. of field roads of different widths, the thickness and strength indicators of the pavement and shoulders, the minimum requirements for material ratio, and the requirements for pavement drainage, joints, and road ancillary facilities. 6.4.3 Production Road
proposes the layout principles of production roads, the basic regulations of the pavement material, subgrade structure, shoulders, etc. of production roads of different widths, the thickness and flatness, stability, relationship with the field surface, strength indicators of the pavement and shoulders, and the requirements for pavement drainage, joints, and road ancillary facilities. 6.5 Contents and requirements for the preparation of power transmission and distribution projects
6.5.1 Propose transformer project layout requirements, and specify the capacity requirements of transformers in each power range based on installed capacity and irrigation and drainage requirements: 6.5.2 Propose the layout principles of high-voltage and low-voltage transmission lines: 6.5.3 Propose standard specifications and characteristics of various types of conductors under different voltage levels; propose conditions for selecting the cross-section of high-voltage and low-voltage overhead conductors for power drainage and irrigation, clarify the economic current density, maximum allowable current, and minimum allowable cross-section of the conductors under various conditions, and propose the unit voltage loss value of each conductor: 6.5.4 Propose the pole spacing of transmission line poles, propose the minimum distance of the maximum sag of overhead line conductors to the ground (water surface) or crossing objects, the vertical distance allowed when power and communication lines cross, the minimum distance between two layers of crossarms, the distance between lines, the transmission distance, etc.: Propose the voltage level, conductor specifications, burial method, burial depth, etc. of underground cable transmission. 6.6 Contents and requirements for farmland protection and ecological environment conservation projects 6.6.1 General provisions
6.6.1.1 Farmland flood control standards
Select the type of flood control project and formulate flood control standards. 6.6.1.2 Farmland protection and ecological environment conservation project construction standards 81 Sprinkler irrigation
Requirements are as follows:
Propose the use conditions and selection principles, layout requirements and composition of different sprinkler irrigation projects: stipulate the water quality requirements of different water sources and the spraying uniformity, spraying intensity, atomization index, daily net spraying time, nozzle working pressure, b)
sprinkler combination spacing and other technical parameters.
Propose specific construction requirements for the layout of sprinkler irrigation pump stations, the setting of water pumps, the front pool or water inlet pool of pump stations, water pump suction pipes, water pump outlet pipes, and c)
arrangement of the plane of the pump room:
Propose requirements for the layout and design of sprinkler irrigation pipe networks and the selection of sprinkler heads. d)
Requirements are as follows:
Propose general provisions for micro-irrigation projects. Including the classification of micro-irrigation, the composition of micro-irrigation projects, the grading of micro-irrigation system water supply and distribution pipelines, and the requirements for the material of micro-irrigation pipelines.
Propose the use conditions and selection principles, layout requirements and composition of various types of micro-irrigation projects, and stipulate the water quality requirements of different water sources and technical parameters such as the spacing between drip irrigation belts and flow deviation. 6.3.5 Drainage Project
Open ditch drainage
Requirements are as follows:
TD/T10452016
Planning principles and layout requirements are proposed according to the function of drainage ditches: Planning principles and layout requirements should take into account the topography, engineering geology, hydrogeology, discharge area, and the connection with other related facilities. Propose the scope of use and precipitation measures of drainage ditch lining, drainage ditch bottom elevation, embankment protection width, ditch depth, slope, etc. b)
And Spacing of final drainage ditch, controlled drainage area, etc.: c)
Propose cross-sectional design and longitudinal section design requirements for drainage ditch for various functions such as drainage, drainage, etc. d)
Propose the principles and structural requirements for drainage ditch lining. Clandestine (pipe) drainage
Requirements are as follows:
a) Propose the applicable conditions and layout requirements for closure (pipe) drainage; b) Clarify the basic composition of closure (pipe) drainage, the types of commonly used materials, and the spacing, pipe diameter, depth, etc. of closure (pipe) drainage. 6.3.6 Canal building engineering
6.3.6.1 Water gate
Requirements are as follows:
a) According to the different functions of water diversion and water retaining, propose the use conditions and layout requirements of different types of water gates, propose the structural types of different types of water gates and the corresponding engineering construction standards and requirements. b)）
6.3.6.2 Aqueduct
Requirements are as follows:
a) Propose the scale of aqueduct, common structural types, use conditions and layout requirements; b) Specify the specific engineering construction standards and requirements for aqueduct inlet and outlet, overflow weir, trough body, trash rack, etc. 6.3.6.3 Inverted siphon
Requirements are as follows:
a) Propose the scale of inverted siphon, common structural types, use conditions and layout requirements; b) Specify the specific engineering construction standards and requirements for inverted siphon section, material, inlet and outlet, trash rack, etc. 6.3.6.4 Farm bridges
Requirements are as follows:
a) Propose the scale of farm bridges, commonly used structural types, usage conditions and layout requirements; b) Propose specific engineering construction standards and requirements for each commonly used type of farm bridges. 6.3.6.5 Culverts
Requirements are as follows:
a) Propose the scale of culverts, commonly used structural types, usage conditions and layout requirements, as well as the main technical indicators of culvert projects, etc. b) Propose specific engineering construction standards and requirements for each commonly used type of culverts. 6.3.6.6 Waterfalls and steep slopes
Requirements are as follows:
a) Propose the commonly used scales and structural types of waterfalls and steep slopes, conditions of use and layout requirements, as well as the main technical indicators of waterfall and steep slope projects:
TD/T10452016
b) Propose specific engineering construction standards and requirements for various types of commonly used waterfalls and steep slopes; 6.3.6.7 Water measuring facilities
Propose the commonly used structural types of water measuring facilities, scope of use and layout requirements, as well as the main technical indicators of water measuring facilities. 6.3.7 Pumping station
6.3.7.1 The requirements for pumping station
are as follows:
a) According to the functions of different pumping stations, the use conditions and layout requirements of pumping stations, as well as the requirements of scale, structure type, etc. are proposed respectively: the technical regulations for pumping station selection, water pump and supporting motor installation, etc. are proposed: according to the flow index of pumping station, the pump room type, flood control requirements, etc. are proposed.
6.4 Contents and requirements for writing field road engineering 6.4.1 General provisions
The layout principles, width level, scope of use, road structure, road network density, etc. of field roads and production roads should be proposed in combination with local realities and considering the long-term development requirements of rural areas. 6.4.2 The Intermediate Road
proposes the layout principles of field roads at all levels, the basic regulations and construction indicators of the pavement material, subgrade structure, shoulders, etc. of field roads of different widths, the thickness and strength indicators of the pavement and shoulders, the minimum requirements for material ratio, and the requirements for pavement drainage, joints, and road ancillary facilities. 6.4.3 Production Road
proposes the layout principles of production roads, the basic regulations of the pavement material, subgrade structure, shoulders, etc. of production roads of different widths, the thickness and flatness, stability, relationship with the field surface, strength indicators of the pavement and shoulders, and the requirements for pavement drainage, joints, and road ancillary facilities. 6.5 Contents and requirements for the preparation of power transmission and distribution projects
6.5.1 Propose transformer project layout requirements, and specify the capacity requirements of transformers in each power range based on installed capacity and irrigation and drainage requirements: 6.5.2 Propose the layout principles of high-voltage and low-voltage transmission lines: 6.5.3 Propose standard specifications and characteristics of various types of conductors under different voltage levels; propose conditions for selecting the cross-section of high-voltage and low-voltage overhead conductors for power drainage and irrigation, clarify the economic current density, maximum allowable current, and minimum allowable cross-section of the conductors under various conditions, and propose the unit voltage loss value of each conductor: 6.5.4 Propose the pole spacing of transmission line poles, propose the minimum distance of the maximum sag of overhead line conductors to the ground (water surface) or crossing objects, the vertical distance allowed when power and communication lines cross, the minimum distance between two layers of crossarms, the distance between lines, the transmission distance, etc.: Propose the voltage level, conductor specifications, burial method, burial depth, etc. of underground cable transmission. 6.6 Contents and requirements for farmland protection and ecological environment conservation projects 6.6.1 General provisions
6.6.1.1 Farmland flood control standards
Select the type of flood control project and formulate flood control standards. 6.6.1.2 Farmland protection and ecological environment conservation project construction standards 85 Culverts
Requirements are as follows:
a) Propose culvert scale, common structural types, use conditions and layout requirements, as well as the main technical indicators of culvert projects, etc. b) Propose specific engineering construction standards and requirements for various types of culverts. 6.3.6.6 Waterfalls and steep slopes
Requirements are as follows:
a) Propose common scales and common structural types of waterfalls and steep slopes, use conditions and layout requirements, as well as the main technical indicators of waterfalls and steep slopes:
TD/T10452016
b) Propose specific engineering construction standards and requirements for various types of waterfalls and steep slopes, 6.3.6.7 Water-measuring facilities
Propose common structural types of water-measuring facilities, scope of use and layout requirements, as well as the main technical indicators of water-measuring facilities, etc. 6.3.7 Pumping station
6.3.7.1 The requirements for pumping station
are as follows:
a) According to the functions of different pumping stations, the use conditions and layout requirements of pumping stations, as well as the requirements of scale, structure type, etc. are proposed respectively: the technical regulations for pumping station selection, water pump and supporting motor installation, etc. are proposed: according to the flow index of pumping station, the pump room type, flood control requirements, etc. are proposed.
6.4 Contents and requirements for writing field road engineering 6.4.1 General provisions
The layout principles, width level, scope of use, road structure, road network density, etc. of field roads and production roads should be proposed in combination with local realities and considering the long-term development requirements of rural areas. 6.4.2 The Intermediate Road
proposes the layout principles of field roads at all levels, the basic regulations and construction indicators of the pavement material, subgrade structure, shoulders, etc. of field roads of different widths, the thickness and strength indicators of the pavement and shoulders, the minimum requirements for material ratio, and the requirements for pavement drainage, joints, and road ancillary facilities. 6.4.3 Production Road
proposes the layout principles of production roads, the basic regulations of the pavement material, subgrade structure, shoulders, etc. of production roads of different widths, the thickness and flatness, stability, relationship with the field surface, strength indicators of the pavement and shoulders, and the requirements for pavement drainage, joints, and road ancillary facilities. 6.5 Contents and requirements for the preparation of power transmission and distribution projects
6.5.1 Propose transformer project layout requirements, and specify the capacity requirements of transformers in each power range based on installed capacity and irrigation and drainage requirements: 6.5.2 Propose the layout principles of high-voltage and low-voltage transmission lines: 6.5.3 Propose standard specifications and characteristics of various types of conductors under different voltage levels; propose conditions for selecting the cross-section of high-voltage and low-voltage overhead conductors for power drainage and irrigation, clarify the economic current density, maximum allowable current, and minimum allowable cross-section of the conductors under various conditions, and propose the unit voltage loss value of each conductor: 6.5.4 Propose the pole spacing of transmission line poles, propose the minimum distance of the maximum sag of overhead line conductors to the ground (water surface) or crossing objects, the vertical distance allowed when power and communication lines cross, the minimum distance between two layers of crossarms, the distance between lines, the transmission distance, etc.: Propose the voltage level, conductor specifications, burial method, burial depth, etc. of underground cable transmission. 6.6 Contents and requirements for farmland protection and ecological environment conservation projects 6.6.1 General provisions
6.6.1.1 Farmland flood control standards
Select the type of flood control project and formulate flood control standards. 6.6.1.2 Farmland protection and ecological environment conservation project construction standards 85 Culverts
Requirements are as follows:www.bzxz.net
a) Propose culvert scale, common structural types, use conditions and layout requirements, as well as the main technical indicators of culvert projects, etc. b) Propose specific engineering construction standards and requirements for various types of culverts. 6.3.6.6 Waterfalls and steep slopes
Requirements are as follows:
a) Propose common scales and common structural types of waterfalls and steep slopes, use conditions and layout requirements, as well as the main technical indicators of waterfalls and steep slopes:
TD/T10452016
b) Propose specific engineering construction standards and requirements for various types of waterfalls and steep slopes, 6.3.6.7 Water-measuring facilities
Propose common structural types of water-measuring facilities, scope of use and layout requirements, as well as the main technical indicators of water-measuring facilities, etc. 6.3.7 Pumping station
6.3.7.1 The requirements for pumping station
are as follows:
a) According to the functions of different pumping stations, the use conditions and layout requirements of pumping stations, as well as the requirements of scale, structure type, etc. are proposed respectively: the technical regulations for pumping station selection, water pump and supporting motor installation, etc. are proposed: according to the flow index of pumping station, the pump room type, flood control requirements, etc. are proposed.
6.4 Contents and requirements for writing field road engineering 6.4.1 General provisions
The layout principles, width level, scope of use, road structure, road network density, etc. of field roads and production roads should be proposed in combination with local realities and considering the long-term development requirements of rural areas. 6.4.2 The Intermediate Road
proposes the layout principles of field roads at all levels, the basic regulations and construction indicators of the pavement material, subgrade structure, shoulders, etc. of field roads of different widths, the thickness and strength indicators of the pavement and shoulders, the minimum requirements for material ratio, and the requirements for pavement drainage, joints, and road ancillary facilities. 6.4.3 Production Road
proposes the layout principles of production roads, the basic regulations of the pavement material, subgrade structure, shoulders, etc. of production roads of different widths, the thickness and flatness, stability, relationship with the field surface, strength indicators of the pavement and shoulders, and the requirements for pavement drainage, joints, and road ancillary facilities. 6.5 Contents and requirements for the preparation of power transmission and distribution projects
6.5.1 Propose transformer project layout requirements, and specify the capacity requirements of transformers in each power range based on installed capacity and irrigation and drainage requirements: 6.5.2 Propose the layout principles of high-voltage and low-voltage transmission lines: 6.5.3 Propose standard specifications and characteristics of various types of conductors under different voltage levels; propose conditions for selecting the cross-section of high-voltage and low-voltage overhead conductors for power drainage and irrigation, clarify the economic current density, maximum allowable current, and minimum allowable cross-section of the conductors under various conditions, and propose the unit voltage loss value of each conductor: 6.5.4 Propose the pole spacing of transmission line poles, propose the minimum distance of the maximum sag of overhead line conductors to the ground (water surface) or crossing objects, the vertical distance allowed when power and communication lines cross, the minimum distance between two layers of crossarms, the distance between lines, the transmission distance, etc.: Propose the voltage level, conductor specifications, burial method, burial depth, etc. of underground cable transmission. 6.6 Contents and requirements for farmland protection and ecological environment conservation projects 6.6.1 General provisions
6.6.1.1 Farmland flood control standards
Select the type of flood control project and formulate flood control standards. 6.6.1.2 Farmland protection and ecological environment conservation project construction standards 8
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