Simple words
1. One machine, one box, one brake and one leakage: it refers to the electrical safety requirements of on-site mechanical 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 certificates: it means that the materials used in the project must have formal factory certificate, material certificate and on-site sampling inspection certificate.
3. One post and two responsibilities: In the construction project, it refers to a specific post with two responsibility, emphasizing the safety responsibility of each post, that is, one's own post responsibility and safety responsibility.
Two simple words
1. Two certificates that the main management and technical personnel on site must possess: qualification certificate and post certificate.
2. No construction: In the process of construction, the Ministry of Railways stressed the need to firmly establish a "project with no regrets, no mistakes and no immortality".
Three-character simple words
1. Three wastes: refers to "waste water, waste gas and waste residue" that need to be properly treated in environmental protection.
3. Three Guarantees: refers to the overall requirements of 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 in appraisal work: openness, fairness and impartiality.
6. Three orders: refers to the commencement order, suspension order and resumption order issued by the director after being reported to the owner for approval.
7. Three parties: refers to the "three parties" in the project construction management system: the project owner, the contractor and the supervision unit.
8. Trinity: 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" means that in each construction process, technicians and quality inspectors should make technical disclosure before construction, check and guide during construction, and summarize and evaluate after construction.
1 1. three lectures: three lectures on safety in construction: before starting work, emphasize safety precautions; Pay attention to safe operation during construction; Comment on today's security situation and lessons learned 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 environmental and water and soil conservation in the project construction are carried out simultaneously with the main construction of the project, that is, the design, construction, acceptance and delivery are carried out simultaneously. At the same time, we must do it in one step, leaving no future trouble.
16. Three working procedures: During the construction of each working procedure, the constructors are required to check the previous working procedure to ensure this working procedure and serve the next working procedure.
17. 3. recheck: refers to the handover recheck between surveyors, the recheck of the technical director in the survey work and the recheck of the chief engineer. It also refers to the requirements of technical director audit, quality inspection engineer audit and supervision engineer audit in on-site technology and quality control work.
18. No harm: it means no harm to yourself, others and others. See "four evils" later.
19.3 customization: refers to the system of "fixed personnel, fixed machines and fixed posts" in mechanical equipment management.
20. Three-no 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 of important parts without signature of supervision engineer.
2 1. three whatevers: all working procedures have standards, all standards have inspections, and all inspections have conclusions.
22. Three-level power distribution: general power distribution, power distribution and switch box.
(2) "Four exits" refers to the protection of elevator exits, tunnels, access openings, balcony floors, roofs, etc.
(3) "Five sides": safety protection facilities for buildings, houses, balconies, elevators and foundation pits under construction.
27. Three Standards or Three Certificates System: refers to the quality management standard system, environmental standard system and health and safety standard system of an enterprise. In the enterprise, it is called "three standards" for short, and it is also called "three certificates system" or "three certificates in one" after obtaining the certificate.
28. Three standards in one: refers to the unity of principles and objectives; Integration of management functions; Integration of system documents; 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 the integrated certification of 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, covering national policies and company safety policies; Level 2: project level, which is about the safety management system of the project department; Level 3: Team level, covering specific safety operation procedures and precautions. Generally speaking, the content at the team level is the most practical because it is related to personal safety.
3 1. Three-phase five-wire system: refers to a system with a special protective zero line directly grounded at the neutral point (called TN-S zero connection protection system). Three-phase electricity; Add five wires: three-phase wires (A, B and C) and neutral wires (N) of three-phase electricity; And a ground wire (PE wire).
32. Three-step seven-step method: refers to the three-step seven-step excavation method for tunnels or large-section tunnels in soil or unstable rock mass. It is a tunnel construction method based on the core soil left after the excavation of the 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.
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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 used 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.
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