Jianzhi [2008) No. 216

"Regulations on the Preparation of Depth of Construction Project Design Documents"

3 Preliminary Design

3.1 General requirements

3.1.1 Preliminary design documents.

1 Design instructions, including general design instructions and design instructions for each specialty. For projects involving building energy-saving design, the design description should have special content on building energy-saving design;

2 Relevant professional design drawings;

3 List of main equipment or materials;

4 Project estimate;

5 Relevant professional calculations (calculations are not design documents that must be delivered, but should be prepared in accordance with the requirements of the relevant provisions of these regulations).

3.1.2 Arrangement sequence of preliminary design documents.

1 Cover page: Project name, preparation unit, preparation year and month;

2 Title page: Legal representative of the preparation unit, chief technical person in charge, general project leader and each professional person in charge name, and signed or authorized by the above-mentioned personnel;

3 Catalog of design documents;

4 Design instructions;

5 Design drawings (can be made separately volume);

6 Budget estimate (should be in a separate volume).

3.2 General design description

3 2 1 Engineering design basis.

1 Approval documents from relevant government departments, such as the feasibility study report, project approval report, program design documents and other approval documents of the project;

2 Design Office The main regulations implemented and the main standards adopted (including the name, number, year and version number of the standard);

3 The meteorological and geographical conditions of the area where the project is located, and the engineering geological conditions of the construction site;< /p>

4 Public facilities and transportation conditions;

5 Planning, land use, environmental protection, sanitation, greening, fire protection, civil air defense, earthquake resistance and other requirements and basis information;

6. Relevant usage requirements or production technology and other information provided by the construction unit.

3. 2.2 Scale and design scope of project construction.

1 The design scale and project composition of the project;

2 The phased construction situation;

3 The design scope and division of labor undertaken.

3. 2.3 Overall indicators.

1 Total land area, total building area and technical indicators reflecting the functional scale of the building;

2 Other relevant technical and economic indicators.

3.2.4 Design features.

1 Briefly describe the design features and system components of each major;

2 The adoption of new technologies, new materials, new equipment and new structures.

3.2.5 Indicate the main issues that need to be solved or determined during design approval.

1 Collaboration issues related to urban planning, red lines, demolition, and energy supply such as water, electricity, steam, and fuel;

2 Problems with the total construction area and total budget (investment) ;

3 Issues regarding design selection standards;

4 Factors that affect the design progress such as the implementation of main design basic information and construction conditions;

5 Clarify needs The content of special research.

Note: The content already described in the general description does not need to be repeated in each professional description.

3.3 General Plan

3.3.1 In the preliminary design stage, the professional design document of the general plan should include the design. Instructions and design drawings.

3.3.2 Design instructions.

1 Design basis and basic information.

1) Summarize the main content related to this major in the scheme design basis materials and instructions;

2) The technical conditions for planning permission (land use nature, Road red lines, building control lines, urban green lines, land red lines, building control heights, building setbacks and various types of control lines distance, floor area ratio, building density, green space ratio, sunshine standards, high-voltage corridors, entrances and exits location, number of parking spaces, etc.), as well as special requirements for general layout, surrounding environment, space treatment, traffic organization, environmental protection, cultural relic protection, phased construction, etc.;

< p>3) The unit and date for preparing the topographic map of this project, and the coordinate and elevation systems adopted;

4) All content that has been explained in the general design description can be omitted.

2 Site Overview.

1) Explain the name of the site and its location in the city (briefly describe the surrounding natural and cultural environment, roads, municipal infrastructure and public service facilities, supporting and supply conditions, as well as the original surroundings of the surrounding areas) and planning

important buildings and structures);

2) Summarize the topography of the site (such as hill range, height, water location, flow direction, water depth, highest and lowest elevation, total Landform features such as slope aspect, maximum slope and general slope);

3) Describe the original buildings and structures on the site, as well as their retention (including famous trees, historic sites, terrain, vegetation, etc.) and demolition;

4) Summarize the natural factors related to the general plan design, such as earthquakes, collapsible or swelling soil, ground fissures, karst, landslides and other geological disasters.

3 General layout.

1) Explain the general layout design concept and guiding ideology; explain how to adapt to local conditions, combine regional cultural characteristics and climate, and natural terrain, comprehensively consider topography, geology, sunshine, ventilation, fire prevention, sanitation, and transportation

As well as environmental protection and other requirements, buildings and structures should be arranged to meet the requirements of use functions, urban planning requirements, technical safety, economic rationality, energy saving, land saving, water saving, material saving, etc.;

2) Explain the functional zoning, combination of long-term and short-term, and the idea of ??reserving land for development;

3) Explain the organization of the building space and its relationship with the surrounding environment;

4) Explain the environment Landscape and green space layout and its functionality, ornamental value, etc.;

5) Explain the layout of barrier-free facilities.

4 Vertical design.

1) Explain the basis for vertical design (such as the elevation of urban roads and pipelines, topography, drainage, maximum flood level, maximum tidal level, earthwork balance, etc.);

2 ) Explain how to make use of the terrain and carry out vertical layout taking into account functions, safety, landscape, drainage and other requirements; explain the vertical layout method (flat slope or step type), the collection, utilization and removal of surface rainwater

Type (open ditch or concealed pipe), etc.; if an open ditch system is used, the topography and elevation of the discharge location should also be described;

3) The amount of preliminary earthwork and stonework should be indicated as needed;

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4) Disaster prevention measures, such as technical measures for floods, landslides, tides, and special engineering geology (damp, dark or expansive soil).

5 Wentong Organization.

1) Explain the organization of people and vehicle flow, road network structure, entrances and exits, parking lot (garage) layout and determination of parking quantity;

2) Fire protection lanes and high-rise building fire protection The layout of the firefighting site;

3) Explain the main design technical conditions of the road (such as the pavement width of main roads and secondary roads, pavement type, maximum and minimum longitudinal slopes, etc.).

6 Table of main technical and economic indicators (Table 3. 3.2).

Note: 1 When the engineering project (such as urban residential area) has corresponding planning and design specifications. The content of technical and economic indicators should be implemented in accordance with them;

2 When calculating the floor area ratio, the underground building area below ±0.00 is usually not included.

3.3.3 Design drawings.

1 Regional location map (draw as needed).

2 General floor plan.

1) Retained terrain and features;

2) Measurement coordinate network, coordinate values, measurement coordinates (or positioning dimensions) of the site range, road red lines, building control lines, Land red line;

3) The location (main coordinates or positioning dimensions) of the original and planned roads, green belts, etc. adjacent to the site and the location, name, number of floors, and spacing of the main buildings and structures;< /p>

4) The distance between the location of buildings and structures (concealed projects such as civil air defense projects, underground garages, oil depots, and storage tanks are represented by dotted lines) and various control lines. The coordinates of major buildings and structures should be marked < /p>

(or positioning size), distance from adjacent buildings and total building size, name (or number), number of floors;

5) Main features of roads and squares Coordinates (or positioning dimensions), layout of parking lots and parking spaces, fire lanes and high-rise building fire fighting sites, and drawing of traffic flow lines if necessary;

6) Layout of greening, landscape and leisure facilities and show slope protection, retaining walls, drainage ditches, etc.;

7) North needle or wind rose diagram;

8) Table of main technical and economic indicators (Table 3. 3.2);

9) Note in the description column: size unit, scale, surveying unit of topographic map, date, coordinate and elevation system name (if it is a site building coordinate network, it should be stated Conversion relationship with the measurement coordinate network),

Supplementary legends and other necessary explanations, etc.

3 Vertical layout diagram.

1) Measurement coordinates (or positioning dimensions) of the site;

2) Roads, ground, water, and key elevations (such as road entrances and exits) around the site; < /p>

3) Retained terrain and features;

4) Location names (or numbers) of buildings and structures, indoor and outdoor design elevations and number of floors of major buildings and structures, There are strict restrictions on the height of buildings and structures;

5) The design elevations of the starting points, slope points, turning points and end points of main roads and squares, as well as the control elevation of the site;

6) Use arrows or contour lines to indicate the slope direction of the ground, and indicate slope protection, retaining walls, drainage ditches, etc.;

7) North arrow;

8) Note Note: Dimensional units, proportions, supplementary legends;

9) This drawing can be combined with the general plan according to the specific conditions of the project;

10) Use vertical layout drawings to draw the upper part as needed Draw and calculate the engineering quantities above the initial level.

3. 4 Architecture

3. 4. 1 In the preliminary design stage, the architectural professional design documents should include design specifications and design drawings.

3.4.2 Design instructions.

1 Design basis.

1) Summarize the main contents related to the construction profession in the design brief and other supporting materials;

2) The main regulations implemented and the main standards adopted in the design ( Including standard name, number, year and version number).

2 Design Overview.

1) Describe the main characteristics of the building, such as total building area, building area, number of building floors and total height, building fire protection category, fire resistance grade, design service life, basic earthquake intensity, main structure selection Type,

Civil air defense category and protection level, basement waterproofing level, roof waterproofing level, etc.;

2) Outline the building’s use functions and process requirements;

3 ) Briefly describe the functional zoning, plane layout, facade shape and relationship with the surrounding environment of the building;

4) Briefly describe the traffic organization of the building and the layout of vertical transportation facilities (stairs, elevators, escalators) , as well as the functions, quantity, tonnage, speed and other parameters of the elevators and escalators used;

5) Overview of building fire protection design;

6) Barrier-free, intelligent, civil air defense The design requirements and contents of other aspects, as well as the special technical measures taken;

7) The main technical and economic indicators include the total building area that reflects the scale of the building, as well as the type and number of residential units and the number of hotel rooms. and the number of beds, the number of outpatient visits in the hospital, the number of beds in the inpatient department, the number of parking spaces in the garage, etc.;

8) Briefly describe the building’s exterior materials and roofing Structure and materials, main or special building materials used in interior decoration;

9) Necessary instructions for doors and windows with special protection requirements.

3 Simple sub-items in multi-sub-item projects can be comprehensively explained using the main characteristics table of the construction project (Table 3.4-2).

4 For projects that require phased construction, explain the phased construction content, assumptions for continuation and expansion, and related measures.

5 Necessary descriptions of curtain wall projects, special roof projects and other projects that require separate design and processing.

6 Problems to be solved or matters determined when submitting for approval and other issues that need to be explained.

7 Description of building energy-saving design;

1) Design basis;

2) The climate zone of the project location and the thermal performance limits of the building envelope;

3) Briefly describe the energy-saving design of the building, determine the main parameters such as body shape coefficient, window-to-wall ratio, and large window-to-roof ratio, and clarify the roof, exterior wall (non-transparent curtain wall), and exterior windows (transparent wall) Thermal performance of other envelope structures

and energy-saving structural measures.

3. 4. 3 Design drawings,

1 Floor plan.

1) Indicate the axis, axis number, positioning size and total size of the load-bearing structure; indicate the name of each space. For residences, indicate the bedrooms, living room (hall), kitchen, bathroom and other spaces in the apartment. Usable area;

2) Draw the main structures and building components, such as non-load-bearing walls, pilasters, doors and windows (curtain walls), skylights, stairs, elevators, escalators, atriums (and their upper floors) , mezzanine, platform, balcony, awning, terrace

The location of steps, ramps, open ditches, etc.; when the enclosure structure is a curtain wall, the positioning relationship between the lintel wall and the main structure should be marked;

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3) Indicates the location of major building equipment, such as pools, sanitary ware and other equipment related to the equipment profession;

4) Indicates the fire protection zoning and fire zoning separation of the building plane or space The location and area should be drawn separately;

5) Mark the design elevations of indoor and outdoor floors and the floor elevations of above-ground and underground floors;

6) Mark the location of the section line on the ground floor plane , numbers and north arrows;

7) Draw the interior layout of halls and rooms with special requirements or standards, such as the arrangement of furniture, etc.; you can also choose to draw standard floors, standard units or standards as needed Ask about the enlarged floor plan and interior layout;

8) Name and proportion of the drawings.

2 Elevation. The main elevation should be selected to be drawn, and the elevation drawing should indicate:

1) The axis and number of the measuring end;

2) The outline of the facade and the visibility of the main structures and building components Parts, such as doors and windows (curtain walls), awnings, cornices (parapets), roofs, platforms, railings, ramps, steps and main decorative moldings;

3) Flat roofs whose sections cannot be represented , the main elevations or heights of roof towers, cornices (parapets), outdoor floors, etc.;

4) The facing materials of the main parts can be seen;

5) The name of the drawing, Proportion.

3 Sectional view.

The section should be cut in a location with different floor heights and number of floors, and a complex internal and external space (such as the atrium and adjacent floors or split-level locations). The section drawing should accurately and clearly depict the relevant parts that are cut or seen< /p>

The content should be divided into:

1) The axis and axis number of the main internal and external load-bearing walls and columns;

2) The main structure and building structure Components, such as floors, floors, roofs, gates, parapets, suspended ceilings, beams, columns, internal and external doors and windows, skylights, stairs, elevators, platforms, awnings, balconies, trenches, pits,

steps , ramps, etc.;

3) Ground and outdoor elevations of each floor, as well as the total height of the building, dimensions between floors and other necessary dimensions;

4) Drawings Name, proportion.

4 For the adjacent original building, its partial horizontal, vertical and cross-section should be drawn.

3.5 Structure

3.5.1 In the preliminary design stage, structural professional design documents should include design instructions, design drawings and calculations.

3.5.2 Design specification.

1 Project overview.

1) Project location, project division, and main functions;

2) Length, width, height, number of above-ground and underground floors, and each floor of each individual (or division) building Floor height, main structural span, special structure and shape, crane tonnage of industrial plants, etc.

2 Design basis:

1) Design service life of the main structure;

2) Natural conditions: basic wind pressure, basic snow pressure, air temperature (if necessary (provide), seismic fortification intensity, etc.;

3) Engineering geological survey report or reliable geological reference material;

4) Site seismic safety evaluation report (provided when necessary);< /p>

5) Wind tunnel test report (provided when necessary);

6) Written requirements from the construction unit regarding structure compliance with relevant standards and regulations;

7) The approved design documents of the previous stage;

8) The main regulations implemented and the main standards adopted by this professional design (including the name, serial number, year number and version number of the standard).

3 Building classification level. The following building classification levels and the standards or approvals based on them should be explained:

1) Building structure safety level;

2) Foundation design level;

3 ) Building seismic fortification category;

4) Reinforced concrete structure seismic grade;

5) Basement waterproofing grade;

6) Civil air defense basement design category, waterproofing Conventional weapons resistance level and anti-nuclear weapon resistance level;

7) Building fire protection classification level and fire resistance level.

4 Main load (action) values:

1) Floor (roof) surface live load, special equipment load;

2) Wind load (including Ground roughness, state body shape coefficient, wind vibration coefficient, etc. if possible);

3) Snow load (provide snow distribution coefficient, etc. if necessary);

4) Earthquake effects (Including design basic seismic acceleration, design seismic grouping, site category, site characteristic period, structural damping ratio, seismic influence coefficient, etc.);

5) Design parameters related to temperature effects and basement water buoyancy;

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6) Special load (action) condition combinations, including partial coefficients and combination coefficients.

5 Upper and basement structural design.

1) Setting of structural joints (expansion joints, settlement joints and earthquake-proof joints);

2) Instructions for selection and structural layout of upper and basement structures;

3) Solutions to key technical problems; descriptions of special technologies, descriptions or sketches of important structural nodes and supports;

4) Basements with anti-floating requirements should specify anti-floating measures;

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5) Special construction requirements and other contents that need to be explained.

6 Foundation design.

1) Overview of engineering geology and hydrogeology, which should include the compressive modulus and bearing capacity characteristic values ??of each main soil layer (or pile foundation design parameters); identification of foundation liquefaction, foundation soil frost heaving and melting properties Subsidence conditions, special geological

conditions (such as caves), etc., and the corrosiveness of soil and groundwater to steel bars, steel and concrete;

2) Foundation selection instructions;

3) When using a natural foundation, the depth of foundation embedding and the condition of the bearing layer should be explained; when using a pile foundation, the type of pile, the bearing layer at the pile end and the depth into the bearing layer should be explained; when using foundation treatment When necessary, the foundation treatment requirements should be explained

;

4) Solutions to key technical problems;

5) If necessary, the requirements for adjacent existing buildings should be explained. The impact and protective measures of objects, etc.;

6) Special construction requirements and other contents that need to be explained.

7 Structural analysis,

1) The name, version number, and preparation unit of the structural analysis program used; at least two different calculation programs should be used for complex structures or important buildings;

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2) The calculation model used for structural analysis, the overall calculation of the embedded parts, the main parameters input for structural analysis, and a simplified diagram of the calculation model if necessary;

3) List the main controllability The calculation results can be expressed in the form of charts; necessary analysis and explanation of the calculation results are carried out.

8 Main structural materials. Including concrete strength grade, steel bar type, masonry strength grade, mortar strength grade, steel strand or high-strength steel wire type, steel grade, special materials or products (such as finished cables, anchors, cast steel

parts, finished bearings, dampers, etc.).

9 Other content that needs explanation.

1) Test requirements that should be put forward when necessary, such as wind tunnel tests, shaking table tests, node tests, etc.;

2) Further geological survey requirements, pile test requirements, etc.;

3) Further clarification of requirements from the construction unit is needed;

4) Projects that require special review of seismic fortification and other special demonstrations should be clearly stated;

5) Propose the main issues that need to be solved or determined during design approval.

3.5.3 Design drawings.

1 Foundation plan and cross-sectional dimensions of the main foundation components;

2 Main floor structural plan, indicating the main positioning dimensions and cross-sectional dimensions of the main components; the structural plan cannot be represented Clear structures or components can be represented by elevations, sections, axonometric drawings, etc.;

3 Schematic diagram of the main or key nodes and supports of the structure;

4 Telescopicity The positions and widths of joints, settlement joints, anti-seismic joints, and post-construction pouring strips should be shown in the corresponding plan drawings.

3.5.4 Calculation book. The calculation book should include load statistics, overall structural calculation, basic calculation and other necessary contents. The calculation book should be saved after proofreading.

3.6 Building Electrical

3.6. I In the preliminary planning stage, the architectural electrical professional design documents should include design specifications, design drawings, main electrical equipment tables, and calculation sheets.

3. 6.2 Design specification.

1 Design basis.

1) Project overview: The building category, nature, structure type, area, number of floors, height, etc. should be described;

2) Engineering design materials provided by relevant majors to this major;

3) Engineering design information certified by relevant departments (such as power supply department, fire department, communications department, public security department, etc.) provided by the construction unit, design brief and design requirements of the construction unit;

< p>4) The main regulations implemented in the design and the main standards adopted (including the name, number, year and version number of the standard);

5) The approval opinions of the design documents of the previous stage.

2 Design scope.

1) Describe the design content of this major based on the design brief and industry design information, as well as the design division of labor and interface with related majors;

2) The proposed building electrical system.

3 Transformation, distribution and power generation systems.

1) Determine the load level and load capacity of each level;

2) Determine the power supply and voltage level, required power supply capacity and number of circuits, dedicated lines or non-dedicated lines, and line routing and laying methods, recent and long-term development;

3) Principles and performance requirements for determining the capacity of backup power and emergency power; if there is a self-provided generator, explain the starting method and relationship with the municipal power grid;

4) High and low voltage power supply system wiring types and operation methods: the relationship between normal operating power supply and backup power supply; busbar contact switch operation and switching methods; low-voltage side communication methods between transformers; power supply methods for important loads;

5) The location, quantity and capacity of transformation, distribution and power stations (including equipment installation capacity, calculation of active power, reactive power, apparent capacity, number and capacity of transformers and generators) and type (household (indoor, outdoor or mixed), equipment technical conditions and selection requirements, environmental characteristics of electrical equipment;

6) Settings of relay protection devices;

7) Electric energy metering devices: Use high voltage or low voltage; special cabinets or non-special cabinets (to meet the requirements of the power supply department and the internal accounting requirements of the construction unit); configuration of monitoring instruments;

8) Power factor compensation method: indicate whether the power factor reaches the supply According to the requirements of the electricity usage rules, the capacity should be compensated, the compensation method adopted and the results before and after compensation;

9) Harmonics: Explain the harmonic control measures;

10) Operating power supply and Signal: Describe the operating power supply, control power supply, and operating signal device configuration of high and low voltage equipment;

11) Engineering power supply: the model and laying method of high and low voltage incoming and outgoing lines;

12) Select the materials and models of wires, cables, and bus trunk lines, and the laying methods;

13) Selection and installation methods of switches, sockets, distribution boxes, control boxes and other power distribution equipment;

14) Selection of motor starting and control methods;

4 Lighting system.

1) Lighting types and illumination standards, lighting power density values ??in main places;

2) Selection of light sources, lamps and accessories. Installation and control methods of lighting fixtures;

3) Types of outdoor lighting (such as street lights, garden lights, lawn lights, floor lights, flood lighting, underwater lighting, etc.), voltage levels, and light source selection and control methods, etc.;

4) The selection and laying method of lighting circuits (including the selection and grounding method of outdoor lighting circuits); if emergency lighting is set up. The illumination value, power supply type, lamp configuration, line selection, laying method, control method, duration, etc. of emergency lighting should be explained.

5 Electrical energy conservation and environmental protection,

1) Energy conservation and environmental protection measures to be adopted;

2) State the application of energy-saving products.

S Lightning protection.

1) Determine the lightning protection category of the building and the lightning protection level of the building’s electronic information system;

2) Prevent direct lightning strikes and side strikes. Measures to prevent electromagnetic pulse from lightning strikes and high potential intrusion;

3) When using steel bars in the concrete of buildings and structures as air terminals, down conductors, and grounding devices, the measures taken and Require.

7 Grounding and safety measures.

1) The type of grounding and grounding resistance requirements required by each system;

2) The setting requirements for total equipotential and local equipotential;

3) Grounding Device requirements, when the grounding device requires special treatment, the measures, methods, etc. should be described;

4) Safety grounding and special grounding measures.

8 Automatic fire alarm system.

1) Determine the protection level and system composition according to the nature of the building;

2) Determine the location of the fire control room:

3) Fire detectors and alarm control Selection of equipment such as detectors, manual alarm buttons, consoles (cabinets);

4) Fire alarm and fire protection linkage control requirements, control logic relationships and control display requirements;

5) Overview of fire emergency broadcasting, fire alarm devices and fire communications;

6) Overview of electrical fire alarms;

7) Fire main power supply, backup power supply methods, grounding and grounding resistance requirements;

8) Transmission and control cable selection and laying requirements;

9) When there are requirements for intelligent system integration, the interface between the automatic fire alarm system and other subsystems should be explained Methods and linkage relationships;

10) Linkage control methods of emergency lighting, etc.:

9 Safety technology prevention system.

1) According to the nature and scale of the construction project. Determine the risk level, system composition and functions;

2) Determine the safety prevention area and the division of the protection area;

3) Determine the location and quantity of video surveillance, intrusion alarm, and entrance and exit management settings and monitoring scope;

4) Setting requirements for visitor intercom, garage management, electronic inspection and other systems;

5) Determine the location of the computer room and system composition;

6) Transmission cable selection and laying requirements.

10 Cable and satellite television reception systems.

1) Determine the system scale, network composition, and user output level;

2) Program source selection;

3) Determine the location of the computer room and front-end Equipment configuration;

4) User distribution network, transmission cable selection and laying method, determine the number of user terminals;

5) If closed-circuit application TV is set up. The composition of the television production system and the selection of main equipment should be explained,

11 Broadcasting, sound reinforcement and Huihan system,

1) System composition and functional requirements;

2 ) Conference sound reinforcement, projection, simultaneous interpretation and video conferencing system transmission methods;

3) Simultaneous interpretation mode;

4) Determine the location and equipment specifications of the computer room;

5) Transmission cable selection and laying requirements.

12 Response signal and information display system.

1) System composition and functional requirements (including wired or wireless);

2) Installation locations and types of display devices, clocks, etc.;

3) Equipment Specifications;

4) Transmission cable selection and laying method.

13 Construction equipment monitoring system;

1) System composition and control functions;

2) Determine the location and equipment specifications of the computer room;

3) Transmission cable selection and laying requirements.

14 Computer network systems.

1) System composition and network structure;

2) Determine the location of the computer room and configuration of network connection components;

3) Network operating system, network application and security ;

4) Transmission cable selection and laying requirements.

15 Communication network system.

1) Determine the composition of the telephone system, the telephone wiring form, and the specifications of the wiring equipment based on the project nature, functions, and near and long-term user needs;

2) When setting up the telephone When switching the switchboard, determine the location of the telephone room, the number of telephone trunk lines, and various professional and technical requirements;

3) Transmission cable selection and laying requirements;

4) Determine the location of the local telephone trunk line Design division of labor, relay line laying and introduction location;

5) Lightning protection grounding, working grounding method and grounding resistance requirements.

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