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Scaffolding works
Scaffolding is an indispensable tool in the construction of the construction industry, which is widely used in industrial and civil building construction, municipal engineering. Scaffolding is an auxiliary facility for construction personnel to work at height in different parts. Whether it is structural construction or indoor and outdoor decoration in construction, it is inseparable from various types of scaffolding, and the quality of scaffolding has a direct impact on the progress of personal safety projects and project quality of construction personnel working at height.

Construction
Construction engineering is the planning, survey, design and construction, completion and other technical work and completion of new construction, reconstruction or expansion of housing buildings and ancillary structures and facilities, and the installation of supporting lines, pipelines and equipment. It also refers to the construction of various houses and buildings, also known as construction workload. This part of the investment amount can only be realized through construction activities.

Steel structure engineering
Steel structure engineering is a structure mainly made of steel, mainly composed of steel beams, steel columns, steel trusses and other components made of section steel and steel plates, and the components or components are usually connected by welds, bolts or rivets, which is one of the main types of building structures. Because of its light weight and simple construction, it is widely used in large-scale factories, bridges, venues, super high-rise and other fields.

Municipal engineering
Municipal infrastructure refers to all kinds of buildings, structures, equipment, etc. that are set up within the scope of urban areas and town (township) planning and construction and provide residents with paid or unpaid public goods and services based on government responsibilities and obligations. All kinds of public infrastructure construction supporting urban life belong to the category of municipal engineering, such as common urban roads, bridges, subways, underground pipelines, tunnels, rivers, rail transit, sewage treatment, garbage disposal and other projects, and various pipelines closely related to life: rainwater, sewage, water supply, reclaimed water, electricity (outside the red line), telecommunications, heat, gas, etc., as well as squares, urban greening and other construction, all belong to the category of municipal engineering.

Earthworks
Earthwork is a kind of civil engineering, including site leveling, excavation of foundation pits (grooves) and pipe trenches, excavation of roadbed, excavation of civil air defense engineering, floor filling, roadbed filling and foundation pit backfilling. Earthwork is divided into several properties, one is site leveling, and the other is splitting stone mountains. These professions do not have a special filing directory, when filing, you can classify the documents generated according to the construction standards, approved by the quality acceptance department, meet the construction and acceptance specifications of the documents that should be submitted, and file them when they are confirmed to be complete.