The construction site should identify, evaluate and update the major hazard sources in time
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During the safety inspection of the construction site, the major hazard sources should be monitored
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1
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Whether the scaffold has a construction plan; whether the height of the scaffold exceeds the specification; whether there is no design calculation or approval; whether the construction plan can guide the construction
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The inspection points of pole foundation: whether the pole foundation is flat and solid every 10 meters, which meets the design requirements; whether the pole is lack of base and pad wood every 10 meters; whether the pole has sweeping pole every 10 meters; whether the pole has drainage measures every 10 meters
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The scaffold height is more than 7 meters, whether the scaffold is tied to the building structure, and whether the scaffold is lack or not according to the requirements
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The inspection points of component spacing and cross bracing are as follows: whether the spacing of each 10 meter long vertical bar, large cross bar and small cross bar exceeds the specified requirements; whether the cross bracing is set according to the regulations; whether the cross bracing is set continuously along the height of the scaffold, and whether the angle meets the requirements
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Whether the scaffold board is fully paved; whether the scaffold board material meets the requirements; whether there is probe board; whether the dense mesh safety net is set outside the scaffold; whether the net is tight; whether the 1.2m high protective railings and toe boards are set on the construction layer
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Whether there is a small cross bar at the intersection of the vertical bar and the large cross bar; whether the small cross bar is only fixed at one end; whether the single row rack cross bar is inserted into the wall less than 24cm
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Whether there is disclosure before scaffold erection; whether there are acceptance procedures after scaffold erection; whether there are quantitative acceptance contents
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The key points for checking the overlapping of members are as follows: whether the overlapping of large cross bar is less than 1.5m; whether the steel pipe vertical bar is overlapped; whether the overlapping length of cross bracing meets the requirements
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The key points for checking the sealing inside the scaffold are as follows: whether the horizontal net or other measures are used for sealing every 10 meters below the construction layer; whether the vertical pole in the scaffold of the construction layer is closed with the building
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The inspection points of scaffold material and the serious bending and corrosion of steel pipe
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The key points of safety passage inspection: whether the frame is equipped with upper and lower passage; whether the passage setting meets the requirements
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Whether the unloading platform has been designed and calculated; whether the erection of 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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2
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Overhanging Scaffold ★ key points of construction scheme inspection: whether the scaffold has a construction scheme; whether the design document has been approved by the superior; whether the erection method in the scheme is specific
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The key points for checking the stability of cantilever beam and frame body are as follows: whether the external cantilevered member is firmly tied to the building; whether the installation of cantilever beam meets the requirements; whether the bottom of vertical pole is firmly fixed; whether the frame body is tied to the building according to the regulations
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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 scaffold board load exceeds the requirements; whether the construction load is stacked evenly
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Whether the scaffold erection meets the requirements; whether the scaffold erection of each section is accepted; whether there is disclosure
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The key points of inspection for the spacing of members: whether the vertical bar exceeds the specification every 10 meters; the spacing of large cross bar exceeds the specification
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Whether the 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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Whether there are flat net or other protection measures under the operation layer; whether the protection is tight
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The inspection points of scaffold material and whether the specification and material of rod, fastener and section steel meet the requirements
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3
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Whether the scaffold has a construction plan; whether the construction plan meets the specification requirements; whether the scaffold is designed or approved by the superior
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Whether the scaffold foundation is flat or not; whether there is a sweeping pole at the bottom of the scaffold
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Key points for checking the stability of the frame: whether the frame is tied to the wall according to the regulations; whether the tie is firm; whether the cross bracing is set according to the regulations; whether the deviation of the upright pole of the portal frame exceeds the regulations
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Check the key points of the rod lock; check whether the assembly is in accordance with the instructions; check whether the assembly is firm
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Whether the scaffold board is fully paved, whether the distance from the wall is greater than 10cm, and whether the scaffold board material meets the requirements
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Whether there is disclosure for scaffold erection; whether each section of scaffold erection is accepted
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Whether 1.2m protective fence and 18cm toe board are set outside the scaffold; whether dense mesh is hung outside the scaffold and whether the mesh is tight
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Key points for inspection of rod material: whether the rod is deformed; whether welding is opened locally; 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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Whether the upper and lower channels are set; whether the channel setting meets the requirements
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4
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Hanging scaffold ★ key points of construction scheme inspection: whether the scaffold has a construction scheme; whether the construction scheme meets the specification requirements; whether the construction scheme is instructive
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Key points for inspection of fabrication and assembly: whether the fabrication and assembly of frame body meet the design requirements; whether the design and design of suspension point are reasonable; whether the fabrication and embedding of suspension point components meet the design requirements; whether the distance between suspension points exceeds 2m
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Key points for inspection of rod material: whether the material meets the design requirements, whether the rod deformation is serious, whether the local welding is open; whether the rod and parts are rusted and painted with protective paint
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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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Whether the scaffold is accepted when entering the site; whether the load test is carried out before the first use; whether the acceptance data are comprehensive before each use
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Key points of load inspection: whether the construction load is more than 1kn; whether each span is operated by more than 2 people
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Whether 1.2m high protective railings and toe boards are set outside the construction layer; whether dense mesh safety nets are set outside the scaffold; whether the nets are tight; whether the bottom of the scaffold is closed tightly
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Key points for inspection of installation personnel: whether the scaffold installation personnel have received professional training; whether the installation personnel are wearing safety belts
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5
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Basket scaffold ★ key points of construction scheme inspection: whether there is a construction scheme; whether the construction has a design calculation or has not been approved; whether the construction scheme guides the construction
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The inspection points of manufacture and assembly: whether the anti overturning of cantilever anchorage or counterweight is qualified; whether the assembly of hanging basket meets the requirements; whether the electric hoist is a qualified product; whether the hanging basket has passed the load test before use
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Key points of safety device inspection: whether the hoist has a warranty card and is valid; whether the lifting basket has a safety rope and is valid; whether the hook is safe; whether the operator wears a safety belt and whether the safety belt is hung on the lifting rope of the lifting basket
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Whether the scaffold board is fully paved; whether the scaffold board material meets the requirements; whether there is a probe.
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