A deep pit project
(a) the excavation depth of more than 5m (including 5m) of the pit (trench) of the earth excavation, support, precipitation works.
(B) the depth of excavation is not more than 5m, but the geological conditions, the surrounding environment and underground pipelines are complex, or affect the safety of adjacent buildings (structures) pit (trench) of earth excavation, support, waterfalling works.
Two, template engineering and support system
(a) tool-type template engineering: including slide mold, climbing mold, flying mold engineering.
(II) concrete formwork support works: erection height of 8m and above; erection span of 18m and above, total construction load of 15kN/m2 and above; centralized line load of 20kN/m2 and above.
(III) Load-bearing support system: used for steel structure erection and other full-tower support system, bearing single-point concentrated load of 700Kg or more.
Three, lifting and lifting and installation and dismantling works
(a) the use of unconventional lifting equipment, methods, and a single lifting weight of 100kN and above lifting and lifting works.
(B) lifting weight of 300kN and above the installation of lifting equipment; height of 200m and above the removal of internal climbing lifting equipment.
Four, scaffolding works
(a) the height of 50m and above floor-standing steel pipe scaffolding works.
(B) lifting height of 150m and above attached whole and piecewise lifting scaffolding works.
(C) the frame height of 20m and above cantilevered scaffolding works.
V. Demolition, demolition works
(a) the use of blasting demolition works.
(B) wharves, bridges, elevated, chimneys, water towers or demolition of toxic and hazardous gases (liquids) or dust diffusion, flammable and explosive accidents occur in the demolition of special buildings, structures.
(C) may affect pedestrians, transportation, power facilities, communication facilities or other buildings, structures, demolition works.
(D) the demolition of cultural relics protection buildings, outstanding historical buildings or historical and cultural landscape area control range of demolition works.
6, other
(a) construction height of 50m and above the building curtain wall installation.
(2) Steel structure installation project with a span of 36m or more; net frame and cable membrane structure installation project with a span of 60m or more.
(3) Hand-dug pile works with excavation depth more than 16m.
(4) Underground concealed excavation works, pipe jacking works, underwater works.
(E) the use of new technologies, new techniques, new materials, new equipment and no relevant technical standards for the greater danger of sub-parts of the project.
Expanded Information:
Engineering is some kind of application of science and mathematics by which the properties of matter and energy of nature can be made available through a variety of structures, machines, products, systems, and processes that are made efficiently and effectively in the shortest possible time and with the least amount of manpower and material resources, reliable and useful to mankind. The application of the theories of natural sciences to specific sectors of industrial and agricultural production in the formation of the various disciplines of the general term.
The main basis of engineering is mathematics, physics, chemistry, and the resulting materials science, solid mechanics, fluid mechanics, thermodynamics, transport processes and systems analysis. In accordance with the relationship of engineering to science, all of the various subfields of engineering have the following major functions:
(1) Research: the application of mathematical and natural science concepts, principles, experimental techniques, etc., to the search for new principles and methods of working.
(2) Development: to solve various problems encountered in the application of research results to practical processes.
(3) Design: selecting different methods, specific materials and determining design solutions that meet the technical requirements and performance specifications to satisfy structural or product requirements.
(4) Construction: Includes preparation of the site, storage of materials, selection of work steps that are both economical and safe and meet quality requirements, and organization of personnel and utilization of equipment.
(5) Production: selection of plant layout, production equipment, tools, materials, components and processes, and testing and inspection of products, taking into account human and economic factors.
(6) Operation: Manage machines and equipment as well as power supply, transportation and communication for economical and reliable operation of all types of equipment.
(7) Management and other functions
Features:
1. WBS work breakdown structure for the management characteristics of engineering projects
Each project can use "project winning" according to the actual WBS work breakdown structure of its own project, "Project Evaluation", "Mid-term Management" and other phases of the program in the system stored in the public **** project standard itemized database to specify the relevant distribution of the project information can be used in the project. These distribution items continue to be broken down into finer details, structures, and designated quotas.
2. The management of "materials" and "quota" data is also one of the features of the system
The system divides materials into two types: raw materials and mixing ratio materials. Among them, the proportion material is a special material which is made by combining certain raw materials through a certain proportion amount. The system manager can manage the standard values (unit, unit price, etc.) of "raw materials" and "mixing ratio materials" through the two programs of "Material Information Maintenance" and "Enterprise Standard Mixing Ratio Information Maintenance" respectively.
3, the importance of quotas
Quotas are the key basis for calculating the cost of structures. According to the type of quota system will be subdivided into the following three types of quota: labor, materials, machinery. The system administrator can maintain the standard values of the data in the above four types of quotas through the program "Enterprise Quota Information Maintenance". The standard value is used as the basic data of the enterprise to provide the benchmark basis for the later practical application.
4. Convenient Contract Management and Cost Calculation
There is management of the project contract, which corresponds to the project details and the contract, and at the same time, the system will be adjusted according to the evaluation of the labor, material and machinery evaluation of the use of the details of the evaluation stage, and the contract information. The quota will be split into "main materials", "ground materials", "labor costs" and other statistical fields for calculation.
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