Simple words

1. One machine, one box, one brake and one leakage: it refers to the electrical safety requirements for on-site machinery and equipment: an electrical equipment should have a special switch box, in which there is an isolating switch (one brake) and a leakage protector.

2. One certificate and two sheets: it means that the materials used in the project must have a formal factory certificate, material certificate and a laboratory test sheet that has passed the spot check.

3. One post and two responsibilities: in construction engineering, it refers to a specific job with double responsibilities, emphasizing the safety responsibility of each job, that is, the job responsibility and safety responsibility of the post.

Two-character brief words

1, two certificates: refers to the qualification certificates and post certificates that the main management and technical personnel on site must possess.

2. Two different constructions: In the construction, the Ministry of Railways emphasized the need to firmly establish a "project with no regrets, no mistakes and immortality".

Three-character brief words

1. Three wastes: refers to "waste water, waste gas and waste residue" that need to be properly treated in environmental protection.

2. Three controls: refers to the control in the construction process: pre-control, in-process control and post-control. The focus of quality control should be pre-control. It also refers to the three major controls of "quality, progress and investment".

3. Three Guarantees: refers to the overall requirements for construction: quality, safety and progress.

4. "Three treasures" refers to the wearing and installation of safety helmet, safety belt and safety net.

5. Three publics: refers to the three principles of evaluation: openness, fairness and impartiality.

6. Three orders: refers to the commencement order, suspension order and resumption order issued by the Director after the approval of the owner.

7. Three parties: refers to the "three parties" in the project construction management system: the project owner, the contractor and the supervision unit.

8. Three aspects: refers to the overall, all-round and whole-process quality management in the quality assurance system.

9. Three inspections: refers to the self-inspection, mutual inspection, handover inspection or special inspection in the construction process.

10, three tasks: each construction process, technical and quality inspection personnel should do: technical disclosure before construction, inspection and guidance during construction, and summary and evaluation after construction.

1 1, three lectures: it refers to the three times that safety is emphasized in the construction process: before going to work, safety precautions are emphasized; During construction, pay attention to safe operation; Comment on today's security situation and experience and lessons after work.

12. Three violations: short for "illegal command, illegal operation and violation of labor discipline".

13, three networks: telecommunication network, broadband network and television network.

14, Sandian: electric power, telecommunications, radio and television facilities.

15, 3 simultaneity: It means that the environment and soil and water conservation in the project construction should be synchronized with the main construction of the project, that is, the design, construction and handover should be synchronized. Must be in place at the same time, leaving no future trouble.

16, three procedures: during the construction of each procedure, the constructors are required to check the previous procedure to ensure this procedure and serve the next procedure.

17, three inspections: refers to the change of hands among surveyors, technical directors and chief engineers in the surveying work. It also means that in the on-site technical and quality control work, the technical person in charge, quality inspection engineer and supervision engineer need to review.

18, three don't hurt: don't hurt yourself, don't hurt others, and don't be hurt by others. See you later "Four Harms".

19.3 customization: refers to the "man, machine and post" system in mechanical equipment management.

20. Three Non-handover: refers to the handover between construction processes: no handover without self-inspection record, no handover without acceptance by quality inspection engineer, and no handover without signature of supervision engineer for important parts.

2 1, three whatevers: all working procedures have standards, all standards have tests, and all tests have conclusions.

22. Three-level power distribution: that is, the total power distribution, power distribution and switch box of the power supply system. Safe use of electricity requires three-level distribution and step-by-step protection.

23. Three links and one leveling: Before construction, the site requirements: access, water supply, electricity supply and site leveling. If we say "five connections and one leveling", we should add communication (including network) and ventilation; If we say "seven links", we must add postal and thermal services.

24. Trinity: refers to the requirements and methods of total quality management. That is, the whole process, total quality, full participation management and the comprehensive application of enterprise management, professional technology and mathematical statistics methods.

25. Three pipes and four wires: refers to the "three pipes" in tunnel construction support: ventilation pipe, high-pressure gas pipe and high-pressure water pipe; "Four wires": power wire, lighting wire, transportation wire and communication wire.

26. Three treasures, four mouths and five realms: refer to some items in on-site safety inspection.

(1) "Three treasures" refers to the wearing and installation of safety helmet, safety belt and safety net.

(2) "Four entrances" refers to the protection of stairs and elevators, the protection of holes and pits, the protection of entrances and exits, and the edge protection of balcony floors and roofs.

(3) "Five temporary": the safety protection facilities for the building, the house, the balcony, the lifting port and the foundation pit under construction.

27. Three Standards or Three Certificates System: refers to the enterprise's quality management standard system, environmental standard system and health and safety standard system, which is referred to as "three standards" in enterprises, also known as the three certificates system or the integration of three certificates after obtaining a certificate.

28. Integration of three standards: refers to the unification of policies and objectives; Integration of management functions; System file integration; Coordination of process control; Synchronization of performance monitoring; Continuous improvement and integration, referred to as "three standards integration".

29. Three-standard integrated certification: in short, it is to integrate three management systems: quality (QMS), environment (ems) and occupational health and safety (OHSAS).

30. Three-level safety education: three-level safety education for the company, project management department and construction team. The first layer: the company layer, including the country's major policies and the company's safety policies; The second level: project ministerial level, which is about the safety management system of the project department; The third level: team level, including specific safety operation procedures and operational precautions. Generally speaking, the content at the team level is the most practical, because it really concerns personal safety.

3 1. Three-phase five-wire system: refers to the system with special protection neutral point directly grounded (called TN-S neutral protection system). Three-phase electricity; Add five wires: three-phase wire (A, B, C) and neutral wire (N) of three-phase electricity; And a ground wire (PE wire).

32. Three-step and seven-step method: refers to the three-step and seven-step excavation method for tunnels in soil or unstable rock mass or large-section tunnels. It is a tunnel construction method based on the excavation of core soil by arc pilot tunnel, which is divided into three steps and seven excavation faces, and the excavation and support of each part are staggered and parallel along the longitudinal direction of the tunnel.

33. Three stages, four sections and eight processes: refer to the division of stages and sections in subgrade filling and the specific construction process.

(1) "Three stages": preparation stage, construction stage and completion acceptance stage; "Four sections": filling area, leveling area, rolling area and inspection area;

(2) "Eight working procedures": construction preparation → basement treatment → layered filling → paving and leveling → sprinkling water or drying in the sun → rolling and tamping → inspection and acceptance → renovation and molding.

34. Three leading, four in place and one strengthening: refer to the key links that must be emphasized in tunnel construction.

"Three Ahead": refers to the prediction, strengthening and support in advance; "four in place"; Selection of construction methods, supporting measures, quick plugging and lining follow-up are in place; "One strengthening": strengthening measurement.

Four-word brief

1, Sifang: refers to four units in engineering construction: construction unit, design unit, contractor and supervision unit.

2. Electric power: refers to communication, signal, electric power and electrification projects in railway construction.

3. Four Innovations: refers to new technologies, new processes, new equipment and new materials that are vigorously promoted and applied in engineering construction.

4. Four controls: refers to the control of construction quality, safety, progress and investment. If we say "five controls", we must add environmental control.

5. Four Ones: the slogan put forward by the construction supervision unit for the reputation and long-term interests of the enterprise: build a project, set up a monument, build the image of one party, and make friends with the other party (or spread new ideas all the way).

6. Four marks: refers to the acceptance requirements of each batch of steel, which should be composed of steel with the same brand, the same heat number, the same specification and the same delivery status.

7. No harm: it means no harm to yourself, others, others and others.

8. Four-pass: refers to the principle of handling safety or quality problems or accidents;

(1) did not find out the real cause of the accident, that is, the origin of this "incident", and did not let go;

(2) the person responsible for the mistake does not deal with it, does not reflect deeply, does not accept the lesson, and does not let go;

(3) Stakeholders and even all employees did not receive education and learn from it, and did not let go;

(4) Practical measures to prevent such accidents from happening again have not been formulated.

9. Four ditches are connected: it means that the gutter, drainage ditch, side ditch and blind ditch of the tunnel are connected.

10, Four Standardization: It refers to the four standardization requirements of railway engineering construction: standardization of management system, standardization of staffing, standardization of site management and standardization of process control.

1 1, four stages and eight steps: refers to the total quality management procedure (PDCA cycle work method). This division can make our thinking methods and work contents more organized, systematic, intuitive and scientific.

(1) "Four Stages" (PDCA): planning, implementation, inspection and action.

(2) The "eight steps" are the concretization of four stages: finding out the quality problems → analyzing the influencing factors → finding out the main reasons → formulating improvement measures → implementing according to the measures → investigating the implementation effect → summing up the experience and lessons → putting forward the unsolved problems, and entering the next PDCA cycle.