1, earthwork excavation of foundation pit (ditch, trough) with excavation depth of more than 3m;
2. Earthwork excavation of foundation pits (ditches and troughs) with complicated geological conditions and surrounding environment;
3. Drilling and blasting engineering.
(2) Foundation pit supporting engineering
1, foundation pit (ditch, trough) supporting works with excavation depth of more than 3m;
2, geological conditions and surrounding environment complex foundation pit (ditch, trough) supporting engineering.
(3) Foundation pit dewatering engineering
1, it is necessary to adopt a foundation pit project with artificial water level reduction and excavation depth of 3m or more;
2. Need to use artificial to reduce the water level, geological conditions and complex surrounding environment of foundation pit engineering.
(4) formwork engineering and supporting system
1, tool template engineering, including sliding mode, climbing mode, flying mode, large template, etc.
2, concrete formwork support project
(1) The erection height is more than 5m;
(2) The erection span is more than 10m;
(3) The total building load 10kN/m2 and above;
(4) concentrated line load 15kN/m and above;
(5) The height is greater than the horizontal projection width of the bracket and relatively independent, without structural connection.
3, used for steel structure installation and other load-bearing support system engineering.
(5) Scaffolding engineering
1, floor-standing steel pipe scaffold;
2. Connect the lifting scaffold;
3. Cantilever scaffolding;
4. Hanging basket for aerial work;
5. Self-made unloading platform and mobile operating platform;
6, new special scaffolding.
(6) Lifting and hoisting works
1. Unconventional lifting equipment and methods, single lifting weight 10kN and above lifting projects;
2, the use of lifting machinery and equipment for installation engineering.
(seven) lifting machinery and equipment disassembly project
1. Installation, disassembly and jacking of tower crane;
2. Installation and disassembly of the construction elevator;
3. Installation and disassembly of the material hoist.
(8) Demolition and blasting engineering
1. Demolition of buildings and structures;
2. Demolition by blasting.
(9) Other dangerous projects.
1, building curtain wall installation project;
2. Prestressed structure tensioning project;
3, steel structure and grid engineering;
4, cable-membrane structure installation project;
5, underground excavation, tunnel, pipe jacking construction and underwater operation engineering;
6. Offshore pile foundation engineering;
7. Manual hole-digging belled pile project;
8. The adoption of new technologies, new processes, new materials and new equipment may affect the project quality and construction safety, and there are partial projects without technical standards, as well as other projects that need to prepare special plans.
Compilation content: Except as specified in the engineering construction standards, the special plan shall mainly include the following contents.
(1) Project profile: profile, construction layout, construction requirements and technical guarantee conditions of sub-projects with high risks.
(2) Compilation basis: the contents or provisions of laws, regulations, normative documents, standards and specifications, and the names of technical documents such as construction organization (general) design, survey design and drawings.
(3) Construction plan: including construction progress plan and material and equipment plan.
(4) Construction technology: technical parameters, process flow, construction method, inspection and acceptance, etc.
(5) Construction safety guarantee measures: organizational guarantee, technical measures, emergency plan, monitoring and monitoring, etc.
(6) Labor organization: full-time safety production management personnel and special operations personnel.
(seven) calculation and related drawings and charts.
The Safety Inspection Standard for Construction Continuous Operation stipulates that a special safety continuous operation organization design (scheme) must be prepared separately for projects with strong professionalism.
Name of Chinese entry: "Safety Inspection Standard for Construction Workers" stipulates which professional projects must be independently prepared for special safety worker organization design (scheme).
English entry name:
(1) Scaffolding and unloading platform
1 floor-standing external scaffold construction scheme.
2. Construction scheme of unloading platform (including design and calculation) (floor-standing and cantilever type).
3 cantilever scaffold construction scheme (including design calculation).
4. Portal scaffold construction scheme (including superelevation design calculation).
5. Construction scheme of hanging feet and hands (including design calculation).
6 hanging basket foot hand leveling scheme (including design calculation).
7 Special construction organization design (including design and calculation) of attached lifting scaffold.
(2) Construction scheme of foundation pit support (the depth of foundation pit exceeds 5M, including supporting structure).
(3) Formwork engineering design scheme (including supporting system design calculation and concrete transportation safety measures).
(4) Power consumption for construction ... >>
Question 2: What are the special safety construction schemes? Dangerous sub-projects that reach a certain scale need to prepare special safety construction plans. Dangerous sub-projects exceeding a certain scale require not only the preparation of special safety construction plans, but also expert argumentation.
Please refer to the Safety Management Measures for Dangerous Sub-projects that reach a certain scale and exceed a certain scale. There is a lot of content, so I won't write it here.
I hope I can help you.
Question 3: What do Class A and Class B in the special construction scheme mean? Maybe this is a local law. Consult local associations.
Question 4: What are the key points of compiling the special construction plan?
1) Fully analyze the project scale, characteristics and design intent, and grasp the characteristics and difficulties of the project. Grasp the main contradiction in engineering construction as the basis for compiling special planning.
2) Calculation and check of special design: For formwork support, foundation pit support, dewatering, temporary bridge construction, structural propulsion, open caisson, soft foundation treatment, prestressed tensioning, large-scale component hoisting, concrete pouring, equipment installation and other sub-projects, structural stability and strength should be checked according to specifications and standards.
3) Technical and economic comparison and selection of construction methods and processes, detailed analysis and demonstration of key links, determination of process operation methods, material requirements, technical quality control indicators and safety assurance measures, so as to guide construction, and at the same time, considering the influence of seasonal construction, formulate construction measures in winter and rainy season.
4) Identify, evaluate and classify the hazards of the project, implement classified management of hazards, and formulate feasible emergency plans for major hazards.
5) Formulate deformation monitoring control and supporting monitoring control measures of this project to ensure construction safety.
6) Formulate inspection methods and plans for engineering tests.
7) Formulate feasible safety measures.
The above contents are compiled according to the problems encountered by the students in their actual work for reference. If in doubt, please communicate and correct in time.
Question 5: What does the special construction scheme mean? Targeted construction schemes specially formulated for specific projects, such as special concrete construction scheme (technical disclosure), are targeted construction schemes specially formulated for concrete construction.
Question 6: What special construction schemes need expert review in building construction? A, deep foundation pit engineering
(1) Earthwork excavation, support and dewatering of foundation pit (trench) with excavation depth exceeding 5m (including 5m).
(two) although the excavation depth is not more than 5m, but the geological conditions, surrounding environment, underground pipelines are complex, or affect the safety of adjacent buildings (structures), earthwork excavation, support and dewatering projects.
Second, the template engineering and support system
(1) Tool template engineering: including sliding mode, climbing mode and flying mode engineering.
(2) Concrete formwork support project: the erection height is 8m or above; Erection span 18m and above; The total building load is 15kN/m2 and above; The concentrated line load is above 20kn/m.
(3) Bearing support system: It is used for full-house support systems such as steel structure installation, and bears a single point concentrated load of more than 700Kg.
Three. Lifting, Installation and Dismantling Works
(a) the use of unconventional lifting equipment and methods, and the lifting weight of a single piece is 100kN or above.
(two) the lifting capacity of more than 300kN lifting equipment installation project; Demolition of internal climbing lifting equipment with a height of 200 meters or more.
Fourth, scaffolding engineering
(a) the erection of floor-type steel pipe scaffolding with a height of more than 50m.
(two) the lifting height 150m and above attached integral and segmental lifting scaffolding engineering.
(3) Cantilever scaffold project with a height of 20m or more.
Verb (abbreviation for verb) demolition and blasting engineering
(1) Blasting demolition works.
(2) Demolition works of wharves, bridges, viaducts, chimneys, water towers or special buildings and structures that are easy to cause toxic and harmful gas (liquid) or dust diffusion and inflammable and explosive accidents.
(3) Demolition works that may affect the safety of pedestrians, traffic, power facilities, communication facilities or other buildings and structures.
(four) the demolition project of cultural relics protection buildings, excellent historical buildings or historical and cultural features.
Intransitive verb others
(a) the building curtain wall installation project with a building height of 50m or more.
(two) steel structure installation project with a span of more than 36m and above; Installation of grid structure and cable-membrane structure with span greater than 60m and above.
(3) Manual digging pile project with excavation depth exceeding 16m.
(4) Underground excavation engineering, pipe jacking engineering and underwater operation engineering.
(five) the use of new technologies, new processes, new materials, new equipment and there is no relevant technical standards for the greater risk of partial projects.
Question 7: What is the targeted scheme made by the special scheme for specific projects? For example, the special concrete construction scheme (technical disclosure) is the targeted construction scheme made specifically for concrete construction. ~
There are also a series of plans to protect the market, technical indicators, scientific and technological content, patents and other rights, purchase, sales, personnel arrangements and so on when developing new products ~
Question 8: Are the construction organization design and special construction plan done together or separately? . . What specific large-scale projects need to be designed in general construction organization?
Special projects should be done as required, some need to be done and some don't need to be done.
What are the partial items of the safety special construction scheme that should be compiled for general projects? What should be included in the compilation of special programs?
Before the construction of five or more units or equipment with a total capacity of 50kW or more, the construction unit shall prepare a special plan for the following dangerous sub-projects and temporary electrical equipment.
(1) Earthwork Excavation Project
1, earthwork excavation of foundation pit (ditch, trough) with excavation depth of more than 3m;
2. Earthwork excavation of foundation pits (ditches and troughs) with complicated geological conditions and surrounding environment;
3. Drilling and blasting engineering.
(2) Foundation pit supporting engineering
1, foundation pit (ditch, trough) supporting works with excavation depth of more than 3m;
2, geological conditions and surrounding environment complex foundation pit (ditch, trough) supporting engineering.
(3) Foundation pit dewatering engineering
1, it is necessary to adopt a foundation pit project with artificial water level reduction and excavation depth of 3m or more;
2. Need to use artificial to reduce the water level, geological conditions and complex surrounding environment of foundation pit engineering.
(4) formwork engineering and supporting system
1, tool template engineering, including sliding mode, climbing mode, flying mode, large template, etc.
2, concrete formwork support project
(1) The erection height is more than 5m;
(2) The erection span is more than 10m;
(3) The total building load 10kN/m2 and above;
(4) concentrated line load 15kN/m and above;
(5) The height is greater than the horizontal projection width of the bracket and relatively independent, without structural connection.
3, used for steel structure installation and other load-bearing support system engineering.
(5) Scaffolding engineering
1, floor-standing steel pipe scaffold;
2. Connect the lifting scaffold;
3. Cantilever scaffolding;
4. Hanging basket for aerial work;
5. Self-made unloading platform and mobile operating platform;
6, new special scaffolding.
(6) Lifting and hoisting works
1. Unconventional lifting equipment and methods, single lifting weight 10kN and above lifting projects;
2, the use of lifting machinery and equipment for installation engineering.
(seven) lifting machinery and equipment disassembly project
1. Installation, disassembly and jacking of tower crane;
2. Installation and disassembly of the construction elevator;
3. Installation and disassembly of the material hoist.
(8) Demolition and blasting engineering
1. Demolition of buildings and structures;
2. Demolition by blasting.
(9) Other dangerous projects.
1, building curtain wall installation project;
2. Prestressed structure tensioning project;
3, steel structure and grid engineering;
4, cable-membrane structure installation project;
5, underground excavation, tunnel, pipe jacking construction and underwater operation engineering;
6. Offshore pile foundation engineering;
7. Manual hole-digging belled pile project;
8. The adoption of new technologies, new processes, new materials and new equipment may affect the project quality and construction safety, and there are partial projects without technical standards, as well as other projects that need to prepare special plans.
Compilation content: Except as specified in the engineering construction standards, the special plan shall mainly include the following contents.
(1) Project profile: profile, construction layout, construction requirements and technical guarantee conditions of sub-projects with high risks.
(2) Compilation basis: the contents or provisions of laws, regulations, normative documents, standards and specifications, and the names of technical documents such as construction organization (general) design, survey design and drawings.
(3) Construction plan: including construction progress plan and material and equipment plan.
(4) Construction technology: technical parameters, process flow, construction method, inspection and acceptance, etc.
(5) Construction safety guarantee measures: organizational guarantee, technical measures, emergency plan, monitoring and monitoring, etc.
(6) Labor organization: full-time safety production management personnel and special operations personnel.
(seven) calculation and related drawings and charts.
The Safety Inspection Standard for Construction Continuous Operation stipulates that a special safety continuous operation organization design (scheme) must be prepared separately for projects with strong professionalism.
Name of Chinese entry: "Safety Inspection Standard for Construction Workers" stipulates which professional projects must be independently prepared for special safety worker organization design (scheme).
English entry name:
(1) Scaffolding and unloading platform
1 floor-standing external scaffold construction scheme.
2. Construction scheme of unloading platform (including design and calculation) (floor-standing and cantilever type).
3 cantilever scaffold construction scheme (including design calculation).
4. Portal scaffold construction scheme (including superelevation ... >>
Question 9: What is the difference between the special construction organization design and the special project construction scheme? The difference between construction organization design and special construction scheme is: 1. Construction organization design includes a wider range of contents. It is aimed at all the plans and safety and quality implementation plans of a building. For example, when five new factories are built in an industrial zone, the construction order of each factory should be written, and finally the construction order of the whole industrial zone should be written. The special construction scheme is a special construction scheme for a single construction project. For example, a special construction scheme is needed when the earthwork excavation depth exceeds 7m.
2. The focus of the content is different. The special construction scheme is compiled according to the structural safety and construction safety requirements of the special tripod, which needs to be compiled for some special construction environment, construction technology and equipment installation technology.
3, the special construction plan instruction is more instructive, equivalent to the work instruction, and more operable.
Question 10: What is the construction plan? Belonging to the category of major hazard sources, it is necessary to prepare special construction plans.
Such as: foundation pit excavation, foundation pit support, earthwork backfilling, general concrete, temporary electricity consumption, formwork, external scaffolding, safe and civilized construction, Sambo, four ports and five sides, fire-fighting facilities, emergency rescue plan, tower foundation, tower foundation, material elevator foundation, manned elevator foundation, manned elevator installation and disassembly, waterproofing, decoration, external protection, etc.
The waterproof decoration scheme does not belong to the category of major hazards, depending on your company's internal requirements and Party A's supervision requirements. But these contents should be reflected separately in the construction organization design of the unit project.