DL/T 5218-2012 PDF EnglishUS$690.00 · In stock · Download in 9 seconds
DL/T 5218-2012: Technical code for the design of 220kV ~ 750kV substation Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid DL/T 5218: Historical versions
DL/T 5218-2012: Technical code for the design of 220kV ~ 750kV substation---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/DLT5218-2012POWER INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 29.240 P 62 Registration number. J1459-2012 P DL/T 5218-2012 Replacing DL/T 5218-2005 Technical code for the design of 220kV ~ 750kV substation Issued on. AUGUST 23, 2012 Implemented on. DECEMBER 01, 2012 Issued by. National Energy Administration POWER INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA Technical code for the design of 220kV ~ 750kV substation Replacing DL/T 5218-2005 Main drafting organization. Electrical Planning and Design Institute Approved by. National Energy Administration Date of implementation. December 01, 2012 2012 Beijing Table of ContentsForeword... 7 1 General provisions... 9 2 Terms... 10 3 Selection of the substation location... 12 4 General plan & layout of the substation... 14 5 Primary electrical... 24 6 System and secondary electrical... 32 7 Civil works... 37 8 Heating, ventilation and air conditioning... 45 9 Water supply and drainage... 47 10 Fire protection... 48 11 Environmental protection... 50 12 Labor safety and occupational health... 53 13 Energy saving... 56 Explanations of wording in this standard... 59 List of quoted standards... 601 General provisions1.0.1 In order to meet the needs of national and industry standardization construction, reach a unified standard technical principle for design of substation, allow the design of substation to meet the relevant national policies, laws, regulations, reach the requirements of safety and reliability, advanced and applicability, energy saving and environmentally friendly, it hereby develops this standard. 1.0.2 This standard is applicable to the design of the newly built, reconstructed, extended work of substation (switchyard) which has an AC voltage of 220kV ~ 750kV. 1.0.3 Substation design shall be combined with engineering features, actively and deliberately adopt new technologies, new device, new materials, new processes with application conditions. 1.0.4 In addition to the implementation of this standard, the design of substation shall also comply with the relevant national standards.2 Terms2.0.1 Substation Part of the power system, which is concentrated in a defined location, including terminals, switches and control device, buildings and transformers for power transmission or distribution. It usually includes the facilities (such as protective devices) required for the safety and control of power system. 2.0.2 Uninterruptible power supply The power supply which consists of a battery pack, an inverter, other circuits, that provides AC power when the power grid is out of power. 2.0.3 Substation automation system A computer application system that implements functions such as information collection, processing, monitoring, control, operation management of substation based on computer, network, communication technologies. 2.0.4 Unattended operation mode An operation management mode, in which the operation monitoring of the substation and the main control operation are carried out by the remote control end, the device of the substation is regularly patrolled and maintained. There are no on-duty personnel in the substation for fixed operation and maintenance.3 Selection of the substation location3.0.1 The site selection of the substation shall be based on the network structure, load distribution, urban-rural planning, land acquisition & demolition and the following provisions of the power system planning and design. It shall use technical and economic comparison and economic benefit analysis to select the optimal solution of site location. 3.0.4 The selection of substation's location shall be based on transportation conditions and substation's construction needs, facilitating the connection of incoming roads and large-piece transportation. 3.0.5 The substation's location shall have suitable geological and topographical conditions. It shall avoid unfavorable geological structures such as landslides, debris flows, subsidence zones, earthquake-fracture zones. It should avoid submerged caves, goafs, exposed and concealed river ponds, shore scouring areas, areas prone to rolling stones, try to avoid or reduce damage to forests and natural landscapes. 3.0.8 There shall be a reliable source of water for production and domestic use near the substation's location. When groundwater is used as a water source, it shall carry out hydrogeological surveys or explorations, submit report. 3.0.9 There shall be reliable power supply around the substation's location which meet the requirements of substation construction and external power supply for station service. 3.0.12 The seismic fortification intensity of the substation's location shall comply with the current national standard "Seismic ground motion parameter zonation map of China" GB 18306.4 General plan & layout of the substation4.1 Plan of the substation 4.1.1 The general plan of the substation shall be coordinated with the local urban planning or industrial zone planning. It should make full use of the nearby public facilities such as traffic, water supply and drainage, flood control. 4.1.3 For the substation in flood control and seismic fortification areas, it shall, based on such factors as geology and topography, arrange the main production constructions (structures) in relatively favorable areas. 4.1.4 The positioning of substation's location shall rationally use geological and topographical conditions. For the high and steep slope, it shall analyze its stability and the impact on the building and structures, take safety measures to prevent human and animal from falling. 4.2 General layout 4.2.1 The combination of plane and space of substation buildings shall, according to the process requirements, make full use of natural terrain, to ensure that the layout is compact and reasonable and the expansion is convenient. 4.2.5 The fire hazard category and minimum fire resistance rating of each building and structure of the substation shall not be lower than those specified in Table 4.2.5.The design of the entire building and structure and their components shall comply with the relevant provisions on fire prevention in addition to the use function. 4.2.6 The minimum spacing of the building and structure in the substation shall not be less than that specified in Table 4.2.6. 4.3 Vertical arrangement 4.3.1 The vertical design of the substation shall be carried out simultaneously with the general layout, meanwhile shall be coordinated with the elevations of the existing and planned roads, drainage systems, surrounding sites outside the substation. 4.5 Road 4.5.1 The path of the substation's access road shall be determined comprehensively according to the current situation of the road around the site, combined with the long-term development plan, the substation plan and vertical layout design. 4.6 Site treatment 4.6.1 In the outdoor power distribution device area, it should set the operation floor according to the process requirements. 4.6.2 The substation site may adopt such treatment measures as gravel, pebble pavement or lime soil closure, or it may be properly greened. 4.7 Fence and gate 4.7.1 The fence of the substation area should be a solid wall which has a height of 2.2m ~ 2.8m. Where there are noise control requirements, the height of fence of substation may be determined as needed. 4.7.2 The gate of the substation should use lightweight iron doors or electric retractable doors. Unattended substations should have physical gates.5 Primary electrical5.1 Electrical circuit connection 5.1.1 The electrical circuit connection of the substation shall be determined according to the status of the substation in the power system, the planned capacity of the substation, the nature of the load, the total number of components as connected to the line and transformer, the characteristics of the device, etc. It shall meet the requirements of reliable power supply, flexible operation, convenient operation and maintenance, investment savings, ease of transition or expansion. 5.1.6 For 220kV power distribution device in 220kV substation, when it is important in the system and the number of outgoing circuits is 4 circuits or more, it should use double busbar wiring. 5.1.7 For the 110kV and 66kV power distribution devices in 220kV substation, when the number of outgoing circuits is less than 6, 5.2.5 The selection of the voltage-regulation method of the main transformer shall be subject to technical and economic demonstration. When the operating voltage of the substation's busbar does not meet the voltage quality standard under various operating modes of the system, meanwhile the addition of the reactive power compensation device is not effective or uneconomical, it may select the on-load voltage-regulation transformer. When selecting the rated tap and branch tap of the transformer, it shall meet the needs of the long-term development trend of the system. 5.3 Electrical installation 5.8 Selection & laying of the cable 5.8.1 The design of cable selection and laying of substation shall comply with the requirements of the current national standard "Code for design of cables of electric engineering" GB 50217. 5.9 Auxiliary facilities 5.9.1 Substation should not be equipped with maintenance workshop for large electrical device.6 System and secondary electrical6.1 Relaying protection and automatic device 6.1.1 Substation shall, according to the safe operation needs of the power system, be equipped with the following protective device. 6.1.2 The design of substation's relay protection and safety automatic devices shall comply with the requirements of current national standard "Technical code for relaying protection and security automatic equipment" GB 14285. 6.2 Dispatch automation 6.2.3 The design of the electric energy metering system shall comply with the provisions of the power industry standard "Technical code for designing of electric energy metering system" DL/T 5202. 6.2.4 The safety protection design of the secondary system of the substation shall comply with the provisions of the “Regulations on the safety protection of secondary power systems” (Order No.5 of the State Electricity Regulatory Commission). 6.3 Communication 6.3.1 The design of substation system communication and in-station communication shall comply with the provisions of "Technical rule of communication design for 220kV ~ 500kV substation" DL/T 5225.It shall also be equipped with the following communication facilities as needed. 6.3.4 The design of the dispatching switch shall comply with the provisions of "Design technical code of dispatching communication exchange network of electric power system" DL/T 5157. 6.4.3 The design of the substation's metering and measuring device shall comply with the requirements of the current national standard "Code for design of electrical measuring device of power system" GB 50063 and the power industry standard "Technical code for designing electrical measuring and energy metering device" DL/T 5137. 6.5 DC power system and uninterruptible power supply (UPS) 6.5.1 The design of the substation's DC power system shall comply with the requirements of the power industry standard "Technical code for designing DC system of power projects" DL/T 5044. 6.7.2 The safety video monitoring system shall arrange camera monitoring points according to the requirements of the attended substation and the unattended substation. 6.7.3 It should set up an electronic fence around the fence, to realize the linkage between video surveillance and security guard system.7 Civil works7.1 General requirement 7.1.5 The safety grade of the main structure of the substation of 500kV and above (main control communication building, 500kV and 750kV power distribution device structure, etc.) should adopt the grade-1; the rest structure should adopt the grade-2.The structural importance factor γ0 of grade-1 and grade-2 is 1.1 and 1.0, respectively. 7.2 Loads 7.2.1 Loads are divided into three types. permanent load, variable load, accidental load. 7.2.3 The device support and its foundation shall be based on the following three load conditions as the basic combination of the bearing capacity limit state, wherein the quasi-permanent value under the maximum wind condition (standard value multiplied by 0.5 quasi-permanent value factor) should be used as the load conditions for the verification of deformation of normal use limit state. 7.2.4 Short-circuit electric power. For flexible conductors, it may not take into account of the impact of short-circuit electric power on the structure and the bracket. However, the strength of the line-hanging plate and node of the combined conductor shall meet the requirements of short-circuit electric power. Generally, it may take 3 times the tension of conductor as the verification conditions for the line-hanging plate and node. 7.3.4 For the attended main control communication building (room), except for the process room, it may also set up a duty lounge, office, meeting room, meal preparation room, safety device room, etc. However, if it is unattended, the above rooms shall be appropriately reduced or canceled. When the control building is far from the main entrance, it may set up a guard room at the entrance. 7.3.5 When the relay room is placed down, it should not set the cable layer.8 Heating, ventilation and air conditioning8.1 Heating 8.1.1 The heating design of the substation shall comply with the current national standard “Code for design of heating ventilation and air conditioning” GB 50019. 8.2 Ventilation 8.2.1 The ventilation design of the substation shall comply with the current national standard "Code for design of heating ventilation and air conditioning" GB 50019. 8.2.2 The accidental air replacement of the power distribution device shall not be less than 12 air changes per hour. The accident fan can also be functioned as ventilation fan. 8.3 Air conditioning 8.3.1 The air conditioning design of the substation shall comply with the current national standard "Code for design of heating ventilation and air conditioning" GB 50019. 8.3.2 Air conditioning should be provided in the main control room, computer room, relay chamber, communication room and other rooms where the process device requires ventilation in the substation. The indoor temperature and humidity of the air-conditioned room shall meet the process requirements.9 Water supply and drainage9.0.1 The design of water supply and drainage for substations shall comply with the requirements of the current power industry standard “Design code of water supply and drainage for substation” DL/T 5143. 9.0.4 The domestic sewage, production wastewater and rainwater in the substation area should adopt the diversion system. 9.0.5 The domestic sewage and production wastewater of the substation shall be treated to reach standard before discharge or recycling in the substation. DL/T 5218-2012 POWER INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 29.240 P 62 Registration number. J1459-2012 P DL/T 5218-2012 Replacing DL/T 5218-2005 Technical code for the design of 220kV ~ 750kV substation Issued on. AUGUST 23, 2012 Implemented on. DECEMBER 01, 2012 Issued by. National Energy Administration POWER INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA Technical code for the design of 220kV ~ 750kV substation Replacing DL/T 5218-2005 Main drafting organization. Electrical Planning and Design Institute Approved by. National Energy Administration Date of implementation. December 01, 2012 2012 BeijingTable of ContentsForeword... 7 1 General provisions... 9 2 Terms... 10 3 Selection of the substation location... 12 4 General plan & layout of the substation... 14 5 Primary electrical... 24 6 System and secondary electrical... 32 7 Civil works... 37 8 Heating, ventilation and air conditioning... 45 9 Water supply and drainage... 47 10 Fire protection... 48 11 Environmental protection... 50 12 Labor safety and occupational health... 53 13 Energy saving... 56 Explanations of wording in this standard... 59 List of quoted standards... 601 General provisions1.0.1 In order to meet the needs of national and industry standardization construction, reach a unified standard technical principle for design of substation, allow the design of substation to meet the relevant national policies, laws, regulations, reach the requirements of safety and reliability, advanced and applicability, energy saving and environmentally friendly, it hereby develops this standard. 1.0.2 This standard is applicable to the design of the newly built, reconstructed, extended work of substation (switchyard) which has an AC voltage of 220kV ~ 750kV. 1.0.3 Substation design shall be combined with engineering features, actively and deliberately adopt new technologies, new device, new materials, new processes with application conditions. 1.0.4 In addition to the implementation of this standard, the design of substation shall also comply with the relevant national standards.2 Terms2.0.1 Substation Part of the power system, which is concentrated in a defined location, including terminals, switches and control device, buildings and transformers for power transmission or distribution. It usually includes the facilities (such as protective devices) required for the safety and control of power system. 2.0.2 Uninterruptible power supply The power supply which consists of a battery pack, an inverter, other circuits, that provides AC power when the power grid is out of power. 2.0.3 Substation automation system A computer application system that implements functions such as information collection, processing, monitoring, control, operation management of substation based on computer, network, communication technologies. 2.0.4 Unattended operation mode An operation management mode, in which the operation monitoring of the substation and the main control operation are carried out by the remote control end, the device of the substation is regularly patrolled and maintained. There are no on-duty personnel in the substation for fixed operation and maintenance.3 Selection of the substation location3.0.1 The site selection of the substation shall be based on the network structure, load distribution, urban-rural planning, land acquisition & demolition and the following provisions of the power system planning and design. It shall use technical and economic comparison and economic benefit analysis to select the optimal solution of site location. 3.0.4 The selection of substation's location shall be based on transportation conditions and substation's construction needs, facilitating the connection of incoming roads and large-piece transportation. 3.0.5 The substation's location shall have suitable geological and topographical conditions. It shall avoid unfavorable geological structures such as landslides, debris flows, subsidence zones, earthquake-fracture zones. It should avoid submerged caves, goafs, exposed and concealed river ponds, shore scouring areas, areas prone to rolling stones, try to avoid or reduce damage to forests and natural landscapes. 3.0.8 There shall be a reliable source of water for production and domestic use near the substation's location. When groundwater is used as a water source, it shall carry out hydrogeological surveys or explorations, submit report. 3.0.9 There shall be reliable power supply around the substation's location which meet the requirements of substation construction and external power supply for station service. 3.0.12 The seismic fortification intensity of the substation's location shall comply with the current national standard "Seismic ground motion parameter zonation map of China" GB 18306.4 General plan & layout of the substation4.1 Plan of the substation 4.1.1 The general plan of the substation shall be coordinated with the local urban planning or industrial zone planning. It should make full use of the nearby public facilities such as traffic, water supply and drainage, flood control. 4.1.3 For the substation in flood control and seismic fortification areas, it shall, based on such factors as geology and topography, arrange the main production constructions (structures) in relatively favorable areas. 4.1.4 The positioning of substation's location shall rationally use geological and topographical conditions. For the high and steep slope, it shall analyze its stability and the impact on the building and structures, take safety measures to prevent human and animal from falling. 4.2 General layout 4.2.1 The combination of plane and space of substation buildings shall, according to the process requirements, make full use of natural terrain, to ensure that the layout is compact and reasonable and the expansion is convenient. 4.2.5 The fire hazard category and minimum fire resistance rating of each building and structure of the substation shall not be lower than those specified in Table 4.2.5.The design of the entire building and structure and their components shall comply with the relevant provisions on fire prevention in addition to the use function. 4.2.6 The minimum spacing of the building and structure in the substation shall not be less than that specified in Table 4.2.6. 4.3 Vertical arrangement 4.3.1 The vertical design of the substation shall be carried out simultaneously with the general layout, meanwhile shall be coordinated with the elevations of the existing and planned roads, drainage systems, surrounding sites outside the substation. 4.5 Road 4.5.1 The path of the substation's access road shall be determined comprehensively according to the current situation of the road around the site, combined with the long-term development plan, the substation plan and vertical layout design. 4.6 Site treatment 4.6.1 In the outdoor power distribution device area, it should set the operation floor according to the process requirements. 4.6.2 The substation site may adopt such treatment measures as gravel, pebble pavement or lime soil closure, or it may be properly greened. 4.7 Fence and gate 4.7.1 The fence of the substation area should be a solid wall which has a height of 2.2m ~ 2.8m. Where there are noise control requirements, the height of fence of substation may be determined as needed. 4.7.2 The gate of the substation should use lightweight iron doors or electric retractable doors. Unattended substations should have physical gates.5 Primary electrical5.1 Electrical circuit connection 5.1.1 The electrical circuit connection of the substation shall be determined according to the status of the substation in the power system, the planned capacity of the substation, the nature of the load, the total number of components as connected to the line and transformer, the characteristics of the device, etc. It shall meet the requirements of reliable power supply, flexible operation, convenient operation and maintenance, investment savings, ease of transition or expansion. 5.1.6 For 220kV power distribution device in 220kV substation, when it is important in the system and the number of outgoing circuits is 4 circuits or more, it should use double busbar wiring. 5.1.7 For the 110kV and 66kV power distribution devices in 220kV substation, when the number of outgoing circuits is less than 6, 5.2.5 The selection of the voltage-regulation method of the main transformer shall be subject to technical and economic demonstration. When the operating voltage of the substation's busbar does not meet the voltage quality standard under various operating modes of the system, meanwhile the addition of the reactive power compensation device is not effective or uneconomical, it may select the on-load voltage-regulation transformer. When selecting the rated tap and branch tap of the transformer, it shall meet the needs of the long-term development trend of the system. 5.3 Electrical installation 5.8 Selection & laying of the cable 5.8.1 The design of cable selection and laying of substation shall comply with the requirements of the current national standard "Code for design of cables of electric engineering" GB 50217. 5.9 Auxiliary facilities 5.9.1 Substation should not be equipped with maintenance workshop for large electrical device.6 System and secondary electrical6.1 Relaying protection and automatic device 6.1.1 Substation shall, according to the safe operation needs of the power system, be equipped with the following protective device. 6.1.2 The design of substation's relay protection and safety automatic devices shall comply with the requirements of current national standard "Technical code for relaying protection and security automatic equipment" GB 14285. 6.2 Dispatch automation 6.2.3 The design of the electric energy metering system shall comply with the provisions of the power industry standard "Technical code for designing of electric energy metering system" DL/T 5202. 6.2.4 The safety protection design of the secondary system of the substation shall comply with the provisions of the “Regulations on the safety protection of secondary power systems” (Order No.5 of the State Electricity Regulatory Commission). 6.3 Communication 6.3.1 The design of substation system communication and in-station communication shall comply with the provisions of "Technical rule of communication design for 220kV ~ 500kV substation" DL/T 5225.It shall also be equipped with the following communication facilities as needed. 6.3.4 The design of the dispatching switch shall comply with the provisions of "Design technical code of dispatching communication exchange network of electric power system" DL/T 5157. 6.4.3 The design of the substation's metering and measuring device shall comply with the requirements of the current national standard "Code for design of electrical measuring device of power system" GB 50063 and the power industry standard "Technical code for designing electrical measuring and energy metering device" DL/T 5137. 6.5 DC power system and uninterruptible power supply (UPS) 6.5.1 The design of the substation's DC power system shall comply with the requirements of the power industry standard "Technical code for designing DC system of power projects" DL/T 5044. 6.7.2 The safety video monitoring system shall arrange camera monitoring points according to the requirements of the attended substation and the unattended substation. 6.7.3 It should set up an electronic fence around the fence, to realize the linkage between video surveillance and security guard system.7 Civil works7.1 General requirement 7.1.5 The safety grade of the main structure of the substation of 500kV and above (main control communication building, 500kV and 750kV power distribution device structure, etc.) should adopt the grade-1; the rest structure should adopt the grade-2.The structural importance factor γ0 of grade-1 and grade-2 is 1.1 and 1.0, respectively. 7.2 Loads 7.2.1 Loads are divided into three types. permanent load, variable load, accidental load. 7.2.3 The device support and its foundation shall be based on the following three load conditions as the basic combination of the bearing capacity limit state, wherein the quasi-permanent value under the maximum wind condition (standard value multiplied by 0.5 quasi-permanent value factor) should be used as the load conditions for the verification of deformation of normal use limit state. 7.2.4 Short-circuit electric power. For flexible conductors, it may not take into account of the impact of short-circuit electric power on the structure and the bracket. However, the strength of the line-hanging plate and node of the combined conductor shall meet the requirements of short-circuit electric power. Generally, it may take 3 times the tension of conductor as the verification conditions for the line-hanging plate and node. 7.3.4 For the attended main control communication building (room), except for the process room, it may also set up a duty lounge, office, meeting room, meal preparation room, safety device room, etc. However, if it is unattended, the above rooms shall be appropriately reduced or canceled. When the control building is far from the main entrance, it may set up a guard room at the entrance. 7.3.5 When the relay room is placed down, it should not set the cable layer.8 Heating, ventilation and air conditioning8.1 Heating 8.1.1 The heating design of the substation shall comply with the current national standard “Code for design of heating ventilation and air conditioning” GB 50019. 8.2 Ventilation 8.2.1 The ventilation design of the substation shall comply with the current national standard "Code for design of heating ventilation and air conditioning" GB 50019. 8.2.2 The accidental air replacement of the power distribution device shall not be less than 12 air changes per hour. The accident fan can also be functioned as ventilation fan. 8.3 Air conditioning 8.3.1 The air conditioning design of the substation shall comply with the current national standard "Code for design of heating ventilation and air conditioning" GB 50019. 8.3.2 Air conditioning should be provided in the main control room, computer room, relay chamber, communication room and other rooms where the process device requires ventilation in the substation. The indoor temperature and humidity of the air-conditioned room shall meet the process requirements.9 Water supply and drainage9.0.1 The design of water supply and drainage for substations shall comply with the requirements of the current power industry standard “Design code of water supply and drainage for substation” DL/T 5143. 9.0.4 The domestic sewage, production wastewater and rainwater in the substation area should adopt the diversion system. 9.0.5 The domestic sewage and production wastewater of the substation shall be treated to reach standard before discharge or recycling in the substation. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of DL/T 5218-2012 be delivered?Answer: The full copy PDF of English version of DL/T 5218-2012 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of DL/T 5218-2012_English with my colleagues?Answer: Yes. The purchased PDF of DL/T 5218-2012_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- DL/T 5218-2012 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.Question 5: Should I purchase the latest version DL/T 5218-2012?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version DL/T 5218-2012 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.How to buy and download a true PDF of English version of DL/T 5218-2012?A step-by-step guide to download PDF of DL/T 5218-2012_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).Step 2: Search keyword "DL/T 5218-2012". Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart. Step 4: Select payment option (Via payment agents Stripe or PayPal). Step 5: Customize Tax Invoice -- Fill up your email etc. Step 6: Click "Checkout". Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively. Step 8: Optional -- Go to download PDF. Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice. See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9 |
