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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. HJ 915.1-2024: Technical requirements for site selection and infrastructure construction of surface water quality automated monitoring station Status: Valid HJ 915.1: Historical versions
Basic dataStandard ID: HJ 915.1-2024 (HJ915.1-2024)Description (Translated English): Technical requirements for site selection and infrastructure construction of surface water quality automated monitoring station Sector / Industry: Environmental Protection Industry Standard Word Count Estimation: 12,185 Date of Issue: 2024-12-25 Date of Implementation: 2025-07-01 Issuing agency(ies): Ministry of Ecology and Environment Summary: This standard specifies the technical requirements for the site selection, station building and water sampling unit and other infrastructure construction and acceptance of the surface water quality automatic monitoring station. This standard applies to the site selection, infrastructure construction and acceptance of automatic surface water quality monitoring stations. HJ 915-2017: Technical specifications for automatic monitoring of surface water (Trial)---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.People's Republic of China national environmental protection standards Technical specifications for automatic monitoring of surface water 2017-12-28 Published 2018-4-1 implementation Directory Foreword. Ii 1 scope of application .1 2 Normative references .1 3 Terms and definitions .1 4 surface water quality automatic monitoring system construction .2 5 surface water quality automatic monitoring system acceptance .3 Surface water quality automatic monitoring system operation and maintenance .4 7 Quality Assurance and Quality Control 7 8 data collection frequency and validity of discrimination .9 9 Establish a safeguard system 10 Appendix A (Normative) Surface Water Quality Automatic Monitoring Project Selection and Instrument Performance Requirements .11 Appendix B (Informative) Surface water quality automatic monitoring system construction technical requirements .13 Appendix C (Informative) Surface Water Quality Automatic Monitoring System Acceptance Technical Requirements .19 ForewordIn order to carry out the "Law of the People's Republic of China on Environmental Protection" and "Water Pollution Prevention and Control Law of the People's Republic of China", protect the environment and safeguard Human health, strengthen environmental management, standardize automatic monitoring of surface water quality, the development of this standard. This standard specifies the surface water quality automatic monitoring system construction, acceptance, operation and management of technical requirements. Appendix A of this standard is a normative appendix, Appendix B and Appendix C are informative appendices. This standard is released for the first time. This standard by the Environmental Protection Department of Environmental Monitoring Division and Science and Technology Standards Division to develop. This standard was drafted. China Environmental Monitoring Station, Jiangsu Province Environmental Monitoring Center, Liaoning Province Environmental Monitoring Laboratory, Henan Provincial Environmental Monitoring Center, Wuxi City Environmental Monitoring Center Station. This standard MEP approved on December 28, This standard since April 1,.2018 come into operation. This standard is interpreted by the MEP. Surface Water Automatic Monitoring Technical Specifications (Trial)1 scope of applicationThis standard specifies the surface water (except seawater) automatic monitoring system for water quality, acceptance, operation and management of technical requirements. This standard applies to the surface water quality automatic monitoring system constructed by the environmental protection department.2 Normative referencesThis standard references the following documents in the terms. For undated references, the effective version applies to this standard. GB 3838 Surface Water Environmental Quality Standard HJ/T 96 pH automatic water quality analyzer technical requirements HJ/T 97 conductivity automatic water quality analyzer technical requirements HJ/T 98 Turbidity water quality automatic analyzer technical requirements HJ/T 99 dissolved oxygen (DO) automatic water quality analyzer technical requirements HJ/T 100 permanganate index automatic water quality analyzer technical requirements HJ/T 101 ammonia nitrogen automatic water quality analyzer technical requirements HJ/T 102 total nitrogen water quality automatic analyzer technical requirements HJ/T 103 total phosphorus automatic water quality analyzer technical requirements HJ/T 104 total organic carbon (TOC) automatic water quality analyzer technical requirements3 Terms and definitionsThe following terms and definitions apply to this standard. 3.1 Surface water quality automatic monitoring The entire process of automatic collection, processing, analysis and data transmission of surface water samples. 3.2 Automatic water quality monitoring station Refers to the completion of the on-site part of the automatic monitoring of surface water quality, generally by the station house, water distribution, control, testing, data transmission, etc. Or several units, referred to as water station. 3.3 Surface water quality automatic monitoring data platform automatic water quality monitoring center Remote monitoring of water stations, data transmission statistics and applications of the system, referred to as the data platform. 3.4 Surface water quality automatic monitoring system Automatic monitoring system consisting of water station and data platform. 3.5 Conventional five parameters Five general items in surface water quality monitoring. water temperature, pH, dissolved oxygen, conductivity and turbidity.4 surface water quality automatic monitoring system construction4.1 General requirements Surface water quality automatic monitoring system construction include. site selection, building site construction, water station units and data platform. Among them, the instrument performance index should meet the requirements of Appendix A.2, system construction refer to Appendix B requirements. 4.2 site selection Site selection principles include site feasibility, water quality representation, long-term monitoring, system security and operational economy. In order to ensure the long-term stable operation of automatic water quality monitoring system, the selected site should have good traffic, electricity, clean water, Communication, water collection point distance, water harvesting headwater, dry water harvesting feasibility and operation and maintenance of safety and other basic conditions of the station. The monitoring results of the selected sites can represent the monitoring of water quality and trends. River monitoring section generally choose the water quality Evenly distributed, stable velocity straight river, from the upstream into the estuary or outfall more than 1 km distance, in principle, with the conventional routine monitoring The same or similar sections, in order to ensure the continuity of monitoring data. Lake reservoir section to have a better hydraulic exchange, the location can be comprehensive Reflect the real situation of water quality in the lake area in the monitored area, avoid setting backwater area, stagnant water area and easy to cause siltation and aquatic growth place. 4.3 station building Building site construction site based on the site environment, construction period, monitoring equipment and equipment installation conditions, the actual situation, the use of fixed station, Simple station building, small-scale station, water platform station, water buoy (ship) station and other means of system construction. Station building design Combined with the construction of geological structure, water level, climate and other surrounding environmental conditions, while lightning, seismic, flood control, anti-low temperature, anti- Rodents, fire, anti-theft, anti-power and video surveillance and other measures. Station supporting the design of waste disposal and domestic sewage collection facilities. The construction of fixed station houses includes the main building and the external security conditions for carrying system instruments and equipment. The main building by the instrument Inter-room, quality control and on duty personnel between the composition. External security conditions refer to the introduction of clean water, electricity, communications and open roads as well Land leveling, afforestation and curing stations under the jurisdiction of the area. Simple station buildings and small-scale station for a limited area, complex geographical conditions, the project construction period is shorter, there are relocation or Adjust the monitoring section of the water station construction. Station design should meet the installation of instrumentation and system integration device installation requirements, station materials should be Lightweight, thermostatic, thermal, rain and alarm functions. Water fixed platform station and water buoy (ship) station is the monitoring equipment integrated on the platform, and equipped with solar, wind and other power supply Equipment, with warning collision and alarm functions such as a monitoring system. 4.4 water station construction of each unit 4.4.1 Water Distribution Unit Acquisition and distribution unit is to ensure the normal operation of the entire system to obtain the correct data, a key part of the water must be provided to ensure reliable, Effective, including water harvesting unit, pretreatment unit and water distribution unit. Water harvesting unit includes water harvesting method, water pump, water pipeline laying and so on. The pretreatment unit is equipped with pretreatment devices for different monitoring items to meet the requirements of analytical instruments such as settling time and filtration accuracy of water samples. Water distribution unit directly to the automatic monitoring equipment water supply, water quality, water pressure and water must meet the requirements of automatic monitoring equipment. 4.4.2 Control Unit The control unit is the command center that coordinates the coordination of all units in the system. 4.4.3 detection unit The detection unit is the core part of the automatic water quality monitoring system and consists of automatic monitoring equipment that meets the requirements of each test item. instrument The principle of selection for the accuracy of the instrument to meet the requirements of water quality analysis and analytical methods in line with state regulations. The selected instrument configuration Reasonable, stable performance; operation and maintenance costs are reasonable, less maintenance, secondary pollution is small. 4.4.4 data acquisition and transmission unit Data acquisition and transmission requirements are automatically performed in accordance with the analysis cycle, and remote control, automatic encryption and backup. Collecting equipment Set in accordance with national standards using a unified communication protocol, wired or wireless way to achieve the main parameters of the state and the transmission of data. 4.5 data platform construction Data platform is a set of data and state acquisition, processing and reporting of all kinds of operating systems in one, with the field data and the main Acquisition of state parameters, conditional anti-control of field systems and instruments, data analysis and management, report generation and reporting, alarm and other services Features. Data platform software using secure and stable data transmission, with regular automatic backup, automatic classification alarm and remote monitoring Control and other functions, and has scalability.5 surface water quality automatic monitoring system acceptance5.1 General requirements Surface water quality automatic monitoring system acceptance, including station building and external security facilities, construction acceptance, acceptance of equipment and data transmission and Data platform acceptance. Acceptance of specific content and the corresponding form, see Appendix C. 5.2 Acceptance Procedure a) Conduct instrument performance test and laboratory comparison, entrust a qualified unit to test the infrastructure of power supply and lightning protection for station buildings, And according to the scheduled time for trial operation; b) prepare acceptance report, put forward acceptance application; c) Check the completion of the scene, organize the acceptance meeting, the formation of acceptance; d) organize the inspection information and archives. 5.3 Acceptance of basic conditions Surface water quality automatic monitoring system acceptance should have the following conditions. a) The power supply, communication, water supply, traffic and lightning protection, fire prevention and anti-theft infrastructure of the station building shall meet the requirements; b) monitoring equipment and accessories in accordance with the contract delivery, the appearance of non-destructive; c) Complete the instrument performance test, comparison experiment, technical indicators to meet the relevant national technical specifications and contract requirements; d) Complete the communication test of water quality automatic monitoring system and upload data from water station to data platform; e) To complete the automatic surface water quality monitoring system for at least 30 consecutive days of operation; f) Establish an automatic monitoring system for surface water quality and prepare a report on acceptance. 5.4 Acceptance Content 5.4.1 station house and external security facilities acceptance The completion and acceptance of the station building and the external support facilities shall conform to the national standards, the current quality inspection and evaluation standards, the construction acceptance rules, Examination and approval of the design documents and relevant laws, regulations, rules and regulatory requirements. Check the quality of engineering entities, check the project Construction of the parties involved in the completion of construction materials, the use of construction projects to conduct random checks, tests. Acceptance process found problems, up Less than the completion of the acceptance criteria, should be instructed to immediately rectify the construction side, re-determine the time to complete the organization and acceptance. Station building technical requirements Appendix B and the contract. 5.4.2 equipment acceptance 5.4.2.1 arrival acceptance According to the contract for each automatic monitoring equipment, system integration equipment, data platform hardware systems, data acquisition control system Inventory; check the packing list according to specific equipment, spare parts, factory number and quantity; check the appearance of equipment, spare parts, on the emergence of View damaged parts of the photo and deal with the contract. 5.4.2.2 equipment performance acceptance Performance acceptance of equipment mainly for the performance of the equipment specified in this standard test, each device should be in the sign Meet the requirements of the environment, inspection indicators and criteria to meet the relevant indicators in Table A.2 Appendix A, the relevant standards and contracts to begging. Acceptance of the main contents include but are not limited to the following. equipment installation, power, warm-up test, the instrument initialization test, equipment Basic function verification, detection limit, accuracy, precision, standard curve check, zero drift, range drift and response time check, Repeatability or reproducibility error checking, actual water sample alignment, record results and summary. 5.4.3 Data transmission and data platform acceptance Automatic monitoring equipment in the performance of qualified acceptance of the premise, check the automatic monitoring system data transmission, data platform features, soft Pieces of performance indicators such as whether the national standard and the relevant technical indicators of the contract requirements. Surface water quality automatic monitoring system operation and maintenance 6.1 General requirements Surface water quality automatic monitoring system operation and maintenance, including regular water station routine maintenance, maintenance and repair, troubleshooting, downtime Protection and daily management of data platform and records. 6.2 water station operation and maintenance technical requirements 6.2.1 Routine maintenance Routine maintenance includes site inspection, instrument and system check, consumable replacement, consumable replacement, reagent replacement, pipe cleaning Wait for work. The operation and maintenance unit regularly patrols the water station. The inspection frequency shall not be lower than once a week and the inspection conditions shall be recorded. Each Patrol the water station for the following work. a) Check the running status and main technical parameters of each analytical instrument and auxiliary equipment to judge whether the operation is normal or not; Check the instrument Power supply, process temperature, stirring motor, sensors, electrodes and timing are working properly, check for leaks, tubes Whether there are bubbles in the road, etc .; regular cleaning regular five parameters, chlorophyll and blue-green algae electrode; b) Develop consumables and consumables (such as pump tubes, fittings, fittings, fittings, etc.) according to the operation of the equipment, the water quality of the section and the environmental conditions of the water station, Seals, etc.) replacement cycle, and ensure that the use of consumables to complete the replacement before use; if you need to replace the parts (such as electricity Pole, etc.), should be equipped with stock guarantee timely replacement; c) Check the reagent status, add regularly, replace the reagent. Pure water and reagents used to achieve the relevant technical requirements, the replacement cycle is not Too much over the shelf life of the reagents and procedures specified in the operating instructions or instrumentation, the replacement cycle should be shortened when the room temperature is high. Every time more After changing the main reagent, the instrument should be recalibrated according to the corresponding operation rules or instrument instructions. Reagents preparation work should be qualified Laboratory completed, to provide proof of source of reagents, and post the label; d) timely finishing station buildings and equipment to complete the collection of waste and deal with the disposal of the work according to the relevant provisions of the requirements, and retained for future reference; Maintain the water station station and clean and tidy all the instruments, promptly close the windows and doors, avoid direct sunlight all kinds of analytical instruments; e) check the water harvesting system, water distribution system is normal, such as water floats fixed situation, self-priming pump operation, etc .; regular cleaning Acquisition and distribution system, including mining head, bucket, pump body, grit chamber, filter head, sample cups, valves, related piping, Can not be cleaned for timely replacement; f) Check the water station circuit system is normal, the grounding line is reliable, check the sampling and drain lines for leakage or plug Phenomenon, drainage exhaust work is normal; g) Check the station air-conditioning and insulation measures to maintain temperature stability; check the pump and air compressor fixed to prevent vibration of the instrument; Check air compressor, uninterruptible power supply (UPS), algae removal device, pure water and other auxiliary facilities operating conditions, the timely replacement of supplies, And emptying air compressor water; h) check the IPC running status, whether poisoning, at least quarterly backup of field data and control software; tester Whether the communication line between the device and the system is normal, whether the data deviation of the analog transmission meets the requirements; i) weeds and water around the station should be promptly cleared to check the reliability of lightning protection facilities, whether there is leakage of the station building, station building Other peripheral facilities are damaged or flooded, in case of the above problems in a timely manner to ensure the safe operation of the system. in Before the advent of the freezing per......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of HJ 915.1-2024_English be delivered?Answer: Upon your order, we will start to translate HJ 915.1-2024_English as soon as possible, and keep you informed of the progress. 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