Key points of construction safety management: scaffold

New friends click above   Blue words   When paying attention to the construction site, it is necessary to identify, evaluate and update the major hazard sources in time

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During the safety inspection of the construction site, it is necessary to focus on monitoring the major hazard sources

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Floor type scaffold     Inspection points of construction scheme    Whether the scaffold has a construction plan; Whether the scaffold height exceeds the specification; No design calculation or approval; Whether the construction scheme can guide the construction

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★     Inspection points of vertical pole foundation    Whether the pole foundation is flat and solid every 10 meters, which meets the design requirements; Whether there is a lack of base and skid for every 10 meters of extension pole; Whether there is a sweeping pole for every 10 meters of extension pole; Whether there are drainage measures every 10 meters

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★     Key points for checking the tie between frame and building structure    If the height of scaffold is more than 7 meters, whether the scaffold is tied with the building structure, and whether it is lack or not firmly tied according to the requirements

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★     Inspection points of component spacing and cross bracing    Whether the distance between the vertical bar, large cross bar and small cross bar exceeds the specified requirements every 10 meters; Whether the cross bracing is set according to the regulations; Whether the cross bracing is set continuously along the scaffold height and whether the angle meets the requirements

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★     Inspection points of scaffold and protective railing    Whether the scaffold board is fully paved; Whether the scaffold board material meets the requirements; Whether there is a probe board; Whether the dense mesh safety net is set outside the scaffold and whether the net is tight; Whether the construction layer is provided with 1.2m high protective railings and toe boards

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★     Inspection points of small cross bar setting    Whether a small cross bar is set at the intersection of the vertical bar and the large cross bar; Whether the small cross bar is fixed at one end only; Whether the cross bar of single row shelf inserted into the wall is less than 24cm

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★     Inspection points of disclosure and acceptance    Whether there is disclosure before scaffold erection; Whether the acceptance procedures are handled after the scaffold is erected; Whether there is quantitative acceptance content

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★     Key points for inspection of rod lapping    Whether the overlap of large cross bar is less than 1.5m; Whether the steel pipe poles are overlapped, and whether the overlapping length of cross bracing meets the requirements

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★     Key points for inspection of frame sealing    Whether flat net or other measures are used to close the construction layer every 10 meters; Whether the vertical pole in the scaffold of the construction layer is closed with the building

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★     Inspection points of scaffold materials    Whether the steel pipe is seriously bent or corroded

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★    Inspection points of safe passage    Whether the frame is equipped with upper and lower channels; Whether the channel settings meet the requirements

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★     Inspection points of unloading platform    Whether the unloading platform has been designed and calculated; Whether the unloading platform meets the design requirements; Whether the support system of the unloading platform is connected with the scaffold; Whether the unloading platform has a limited load label

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Cantilever scaffold     Inspection points of construction scheme    Whether the scaffold has a construction plan; Whether the design document has been approved by the superior; Whether the erection method in the scheme is specific

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★     Inspection points of cantilever beam and frame stability    Whether the overhanging member is firmly tied with the building; Whether the cantilever beam installation meets the requirements; Whether the bottom of the vertical pole is fixed firmly; Whether the frame is tied to the building as required

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★    Inspection points of scaffold board    Whether the scaffold board is laid tightly and firmly; Whether the scaffold board material meets the requirements; Whether there is a probe

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★    Key points of load inspection    Whether the load of scaffold board exceeds the requirements; Whether the construction load is stacked evenly

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★     Inspection points of disclosure and acceptance    Whether the scaffold erection meets the requirements; Whether the erection of each section of scaffold is accepted; Whether there is disclosure

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★     Key points for inspection of bar spacing    Whether the pole per 10 meters of extension exceeds the requirements; The distance between large cross bars exceeds the specification

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★     Inspection points of frame protection    Whether 1.2m high protective railings and toe boards are set outside the construction layer; Whether the dense mesh safety net is set outside the scaffold and whether the net is tight

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★     Inspection points of interlayer protection    Whether there is horizontal net or other protection measures under the operation layer; Whether the protection is tight

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★     Inspection points of scaffold materials    Whether the specification and material of bar, fastener and section steel meet the requirements

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Portal scaffold     Inspection points of construction scheme    Whether the scaffold has a construction plan; Whether the construction scheme meets the specification requirements; Whether the scaffold is designed or approved by the superior

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★     Inspection points of frame foundation    Whether the scaffold foundation is smooth; Whether there is a sweeping pole at the bottom of the scaffold

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★     Key points of frame stability inspection    Whether it is tied to the wall as required; Whether the tie is firm; Whether the cross bracing is set according to the regulations; Whether the deviation of gantry vertical pole exceeds the specification

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★     Key points for inspection of bar lock    Whether it is assembled according to the instructions; Whether the assembly is firm

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★    Inspection points of scaffold board    Whether the scaffold board is fully paved and the distance from the wall is more than 10cm; Whether the scaffold board material meets the requirements

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★     Inspection points of disclosure and acceptance    Whether there is disclosure for scaffold erection; Whether the erection of each section of scaffold is accepted

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★     Inspection points of frame protection    Whether 1.2m guard rail and 18cm toe board are set outside the scaffold; Whether the dense mesh is hung outside the frame and whether the mesh is tight

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★     Inspection points of bar material    Whether the member is deformed or not; Whether there is local welding; Whether the rod is rusted and not painted

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★    Key points of load inspection    Whether the construction load exceeds the requirements; Whether the scaffold load is stacked evenly

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★    Key points of channel inspection    Whether the upper and lower channels are set; Whether the channel settings meet the requirements

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Scaffolding     Inspection points of construction scheme    Whether the scaffold has a construction plan; Whether the construction scheme meets the specification requirements; Whether the construction scheme is instructive

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★     Inspection points of production and assembly    Whether the fabrication and assembly of the frame meet the design requirements; Whether the suspension point is designed and whether the design is reasonable; Whether the fabrication and embedding of suspension point components meet the design requirements; Whether the distance between suspension points is more than 2m

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★    Inspection points of bar material    Whether the material meets the design requirements, whether the bar deformation is serious, and whether the local welding is open; Whether the rod and parts are rusted and painted with protective paint

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★    Inspection points of scaffold    Whether the scaffold is fully paved and firm; Whether the scaffold board material meets the requirements; Whether there is a probe

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★     Inspection points of disclosure acceptance    Whether the scaffold enters the site for acceptance; Load test before the first use; Check whether the acceptance data are comprehensive before each use

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★    Key points of load inspection    Whether the construction load exceeds 1kn; Whether there are more than 2 people working on each span

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★     Inspection points of frame protection    Whether 1.2m high protective railings and toe boards are set outside the construction layer; Whether the dense mesh safety net is set outside the scaffold and whether the net is tight; Whether the bottom of scaffold is closed tightly

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★     Inspection points of installation personnel    Whether the scaffold installation personnel have received professional training; Whether the installation personnel wear the safety belt

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Basket scaffold     Inspection points of construction scheme    Whether there is a construction plan; The construction has design calculation sheet or has not been approved; Whether the construction plan guides the construction

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★     Inspection points of production and assembly    Whether the cantilever anchorage or counterweight is qualified for anti overturning; Whether the basket assembly meets the requirements; Whether the electric hoist is a qualified product; Whether the hanging basket has been load tested before use

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★    Inspection points of safety devices    Whether the hoist has a warranty card and whether it is valid; Whether the lifting basket has a safety rope and whether it is effective; Whether there is hook insurance; Whether the operators fasten the safety belt and whether the safety belt is hung on the lifting rope of the hanging basket

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★    Inspection points of scaffold board    Whether the scaffold board is fully paved; Whether the scaffold board material meets the requirements; Whether there is a probe.

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