Review Meeting on the Special Section on Safety Facility Design

It varies from place to place, and to this day there are no specific design guidelines! Just try to be as detailed as possible; there are similar templates on the forum that you can refer to!

I have attended about a dozen times. Based on the following experience: 1. Follow the guidelines and make sure no items are omitted. 2. If you’re not sure, it’s better not to write anything rather than writing something randomly. If something is missed, experts might criticize it a bit; making a mistake will cause trouble. 3. For relatively important aspects of a particular project, in addition to describing them under the three categories of safety facilities specified in the guidelines, they should be highlighted separately. For example, when dealing with chlorine gas, it is essential to incorporate daily ventilation, emergency ventilation, systems for handling alkaline solutions in case of accidents, and chlorine gas neutralization devices. For materials that cannot be extinguished with water, it is necessary to provide dry sand or similar. 4. It is recommended to add content on the identification of major hazard sources in Chapter 2. The identification of the report establishing the evaluation can be cited, but care should be taken to verify it. Some pre-evaluation reports are of very poor quality, and in many cases the owner makes more or less changes to the construction details after the pre-evaluation report is prepared. It is uncommon to change the processes; it is quite common to adjust the inventory of hazardous chemicals. Therefore, it is recommended to redo the identification of major hazard sources by yourself. 5. After completing the special report, have it verified and approved by the technical supervisor of the client. It’s mainly about whether certain facilities can be made available. For example, some preliminary evaluation reports state that dual power supplies are available, but in reality they are not; or they are not available at the time the project goes into operation. In such cases, alternative solutions must be found, such as installing UPS units or diesel generators. I have encountered many safety officers and heads of safety and environmental protection departments from clients who are actually unqualified in this area – it is necessary to have a technical expert review the situation in order to identify the problems. 6. For the estimated cost of safety investments, try to estimate it at a higher figure. Self-regulation and monitoring within the process system, building fireproof coatings, as well as pumps and containers intended for safety purposes are all included. **The department (Safety Supervision Bureau) prefers to see large investments in safety. It’s actually just a digital game. Don’t write randomly, but include as much as you can. 7. Be humble at the review meeting. You should know that experts point out flaws in order to facilitate specific improvements. Even if an expert is wrong, don’t confront them head-on; you can explain things gently. In a review meeting, there are five or six experts, as well as safety inspection officers from the provincial, municipal, and county levels. Not everyone is an expert on a particular project, but everyone is required to speak; it’s normal to make mistakes. Generally, there’s no need for you to refute it; other experts who understand the subject will explain it for you. It usually gets approved, but there will definitely be comments asking you to make changes. After the meeting, make thorough revisions based on the experts’ suggestions, prepare a detailed explanation of these revisions, rebind the revised document into a separate volume, and submit it to the chairperson of the original review panel for approval (specific requirements may vary depending on the region).

I’ve benefited a lot, but due to my limited capabilities, I can only add 1 unit of wealth to you

In addition to some hardware specifications, there are also some gray areas that are essential, haha

The owner is responsible for the gray part; we won’t get involved in that. Of course, design firms generally also have good relationships with experts.

Experts with Chinese characteristics are, in themselves, a rather meaningful aspect; it is necessary to take into account planning and design from three perspectives: the source, the process, and follow-up actions. However, it is basically formalism. This meeting will essentially be a critique session for the designers! To avoid fighting back or retorting to insults, of course, that’s a different matter if the relationships are properly maintained and gifts are given appropriately. One should watch the expert’s expression with the same focus as one would when looking at a beauty, and listen to their words with the same respect as one would when listening to an imperial edict. Then there’s some nonsense, showing off one’s knowledge, drinking and socializing, editing documents, and getting things approved. There are a few points that need to be reminded: 1. Be sure to write out all the specifications in full, using the latest versions. 2. Memorize the background information related to the design of safety facilities, such as Order No. 8, Document No. 225, and so on. 3. Prepare a proper table of contents, following the guidelines, as experts will first look at it. 4. TNT equivalent, steam clouds – it’s best to list a bunch of formulae and data to show that you have moved from a qualitative approach to a quantitative one; experts will be very pleased.

Pay attention to the following points: 1. The content related to the safety pre-assessment, as well as the safety section in the special chapter on safety and hygiene. 2. The latest versions of laws, regulations, and standards (including local standards). 3. The format and content must be written in accordance with the guidelines.

It mainly covers the safety measures and facilities employed; the content in this section is quite broad, including both the conventional safety measures used in typical designs as well as those discussed in conjunction with the \"Catalog of Safety Facilities\". The section on safety facilities must be tailored to the specific needs of the enterprise; if what is written does not match the actual conditions of the enterprise, it will cause problems during future inspections

In addition to the **specified requirements, each region has its own demands. Of course, for some very large-scale project designs, it may be possible to ignore these regional requirements, but it’s still best to familiarize oneself with them first. Here is the format specified by a certain region: I. Overview of the construction project 1. Project description； 2. Qualifications of the project design unit, scope of project design services it provides, and information on the project leader ； 3. Main technical and economic indicators of the project. II. Hazardous and harmful factors involved in the construction project and their degree of hazard 1. Overview ； 2. Analysis of safety and reliability of production processes and plant scale ； 3. **The approval documents issued by the environmental protection authorities regarding the environmental impact assessment reports, as well as the requirements set out in those reports for the construction project – the extent to which these requirements have been implemented in the design. III. Explanation of the Adoption of Safety Measures and Recommendations in the Safety Assessment Report for the Construction Project 1. Overview ； 2. An explanation for why the safety measures and recommendations outlined in the safety assessment report for the construction project were not adopted. IV. Safety facilities and measures adopted 1. General layout, vertical layout principles and functional zoning, as well as safety and reliability analysis of pipeline integration ； 2. Design safety and reliability analysis of key production facility buildings, including production category, fire resistance rating, floor area, structural type, safety evacuation measures, structural safety rating and design service life, explosion relief systems, seismic design intensity and seismic rating, etc ； 3. Safety and reliability analysis of the design for main process production units (sub-units or sections) ； Determination of key control nodes, key elements, importance levels, and reliability requirements ； Basic safety countermeasures adopted ； Analysis of the status of emergency facilities for dealing with emergencies (or accident situations) ； 4. Safety and reliability analysis of design for storage and transportation facilities, factory roads, and factory transportation ； 5. Instruments and automatic control: (1) Identification of the hazardous characteristics of the process units, classification of hazardous areas, and determination of key parameters (such as temperature, pressure, liquid level, flow rate, pressure difference, mixing ratios, components, etc.) ； (2) Instrument types, selection of key instruments, introduction to detection, control, alarm, interlock, and emergency shutdown systems ； (3) Reliability assurance measures for alarm, interlock, and emergency shutdown systems (selection of ESD systems, digital switching and redundancy configuration of transmitters, installation of interlock valves and control valves, fail-safe design, setting of pneumatic valves for open/closed operation, etc.) ； (4) Reliability assurance measures for DCS and ESD systems (such as redundancy, fault tolerance, output safety, self-diagnosis, software reliability, etc.) ； (5) Instrument selection and installation measures for explosive and corrosive environments ； (6) Selection, quantity, installation location, and explosion-proof rating of combustible gas alarms ； (7) Location of the control room, fire and explosion prevention measures within the control room (such as temperature and smoke detectors, fire extinguishers, emergency lights, decorative materials, etc.) ； (8) Selection of instrument cables ； (9) Grounding of instruments in the control room, as well as grounding measures for field instrument cabinets/panels, cable trays, conduit systems, etc. 6. Electricity and Telecommunications: (1) Power load and load class (by installation item) ； (2) Reliability demonstration of power supply ； (3) Plant power supply plan and plant power supply system (attached drawings), main equipment ； (4) Prevention and control of harmonic distortion from nonlinear loads ； (5) Laying of high and low voltage cables ； (6) Lightning and static electricity protection measures ； (7) Classification of areas with explosion and fire hazards and selection of electrical equipment ； (8) Composition and scope of telecommunications facilities ； (9) Telecommunication facilities plan ； (10) Zoning of areas with explosion and fire hazards and selection of telecommunications equipment. 7. Special equipment: (1) Design safety and reliability analysis of pressure vessels, including design parameters, medium, category, material, structure, etc ； (2) Safety and reliability analysis of pressure pipeline design parameters, media, categories, materials, and pipeline machinery ； (3) Safety reliability analysis of design parameters and installation locations of safety accessories ； (4) Safety and reliability analysis of transportation and lifting plans for large-scale equipment ； (5) Design safety and reliability analysis for operations such as the loading/unloading, maintenance, and activation (reduction, regeneration) of equipment internals, packing, and catalysts ； (6) Safety and reliability analysis for the design of other special equipment ； (7) Design of the safety liquid seal and analysis of its safety and reliability. 8. Utility systems: (1) Safety and reliability analysis of water supply and drainage facility design ； (2) Collection and disposal plan for \"clean effluent\" under accident conditions, as well as safety and reliability analysis ； (3) Safety and reliability analysis of the circulating water system design ； (4) Safety and reliability analysis of wastewater treatment (environmental protection) facilities ； (5) Safety and reliability analysis of the design for desalinated water and soft water treatment systems ； (6) Safety and reliability analysis of heating facility design ； (7) Safety and reliability analysis of heating, ventilation, and air conditioning design ； (8) Safety and reliability analysis of the design for air compression stations, refrigeration stations, and nitrogen-oxygen stations ； (9) Safety and reliability analysis of maintenance (mechanical, instrumentation, electrical, and construction) workshops ； (10) Introduction and Analysis of the Central Laboratory ； (11) Introduction and analysis of living welfare facilities. 9. Fire protection: (1) Current status of the fire protection environment for the construction project ； (2) Safety and reliability analysis of the design of fire protection facilities and measures. 10. Safety reliability analysis of occupational safety and health protection measures. V. Measures for preventing accidents and emergency rescue VI. Establishment of safety management organizations and staffing VII. Estimated investment in safety facilities VIII. Conclusions and recommendations

The information on the upper floor seems to be the guidelines originally issued by each province; now, everything needs to be formatted in accordance with these guidelines. The section on safety measures and facilities can be used to include the aforementioned content.

Lao Kong on the 10th floor actually wrote quite well, but the order and format don’t quite conform to the guidelines. Write it in the format of guidelines; filling in all the information mentioned for floor 10 will make it more comprehensive

Well, what Lao Kong wrote on the 10th floor is indeed good. But then again, experts from different places focus on different aspects of this issue. In fact, among so-called experts, very few really understand it thoroughly. What’s most important is that our design team must carefully consider safety measures to prevent potential accidents before they occur

It can’t be said that way either. Experts know a lot of general things, but when it comes to a specific project, they don’t have as in-depth and comprehensive understanding as those of us who work on such projects.

The special section on safety facility design has a fixed format and content; by following the outline, no items will be missed, and it is also possible to add some questions with specific characteristics.

Yes, the uniqueness of each project is what forms the focus of a dedicated section, and it is also what interests the experts at the review meetings.

The guidelines stated that it would be tried out for one year; now that that period has passed, why is there no further action?

Write according to the guidelines; do not omit any items. Some of them are veto items, so be mindful of that

Generally speaking, as long as it is written in strict accordance with the guidelines, especially with detailed safety measures, there will be no problems. One should maintain this mindset – after submission, the draft needs to be revised. The key is the experts hired by the safety supervision agency; some of the senior experts are fine – they have experience and know how to apply the relevant standards properly. What’s a concern are those who don’t know much about the subject, who talk nonsense in meetings due to their limited understanding. They don’t even have a clear grasp of their own field yet try to give advice on other fields. I don’t believe such experts can understand the standards of their own field better than those who specialize in it; therefore, it’s essential to be mentally prepared when attending review meetings.

**Use a guided format; ensure no items are missed. For critical risks, it is important to determine whether the risks remain under control after the implementation of the measures

One more thing: it must be included in the design sections outlined in the safety condition assessment report and the safety pre-assessment report.