Each gear is painted with red and white warning paint, and a 250mm high safety warning placard is set in the middle, and a 200mm high red and white toe board is set at the bottom· Elevation of edge protection 3.
The overlapping length between the cover plate and the outer edge of the hole shall not be less than 100mm.
Edge protection form I (1) adopts 30 × thirty × It is made of 1.35mm square steel, and the column is made of 50 × fifty × 2.5mm square steel, base 150 × one hundred × 8mm hole steel plate and use Ф twelve × Four expansion bolts are firmly fixed to the ground; (2) The height of the vertical pole of the protective railing is 1200mm, the height of the railing is 1170mm, and the standard length is 2000mm.
Each gear is painted with red and white warning paint.
Infrastructure engineering machinery professional knowledge < < knowledgeschool > > appreciation of standardized safety protection practices on the construction site 1.
It can be used for the safety passage for personnel access, the first floor protection shed of construction elevator and the first floor protection shed of material hoist; (2) The length of protective shed for multi-storey buildings shall not be less than 4000mm, and the length of protective shed for high-rise buildings shall not be less than 6000mm; (3) The protective shed is in the form of double-layer ceiling, the top layer is fully paved with 50mm thick scaffold board, and 500mm spacing shall be maintained between the two layers of boards; (4) The outer side of the protective shed is closed with steel mesh, and the “safety display board” is hung on the inner side· Front elevation of safety passage structure · effect drawing of safety passage 2.
A 180mm high safety warning placard is set in the middle, and a 200mm high red and white toe board is set at the bottom· Elevation of edge protection form II (1) main frame adopts 40 × forty × Made of 3mm square steel, each gear is made of Ф twelve × 4.
Protection of openings with side length ≤ 1500mm for horizontal openings (1) openings with short side size less than 500mm on floors, roofs and platforms shall be protected by cover plate, and openings with short side size between 500-1500mm shall be protected by reserved reinforcement mesh and covered with plate; (2) The cover plate shall be used for protection.
Ladder protection of foundation pit (1) tool steel ladder shall be set up in the access of people up and down in the foundation pit, and concrete base shall be made; (2) Lighting measures and warning lights shall be set at night; (3) The steel ladder shall be equipped with wall attachment device; (4) The ladder is processed by welding· Fabrication and effect drawing of steel ladder Previous knowledge Guangzhou Jinmai Technology Equipment Co., Ltd.
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Safety passage protection (1) the safety passage protection shed is built of section steel, which is composed of columns, side protection nets and warning signs.
If the hole size is too large to set horizontal safety net, hard protection measures shall be taken and red and white warning paint shall be painted; (2) See edge protection for fabrication dimension requirements of tool type protective railings· Effect drawing and real view of portal protection 4.
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The cover plate shall be solid.
The cover plate shall be placed evenly around, and the cover plate shall be nailed firmly with the wooden square clamped on the hole with iron nails to prevent the cover plate from shifting; (3) The reinforcement mesh shall be used for protection, the reinforcement diameter shall not be less than 6mm, and the grid spacing shall not be greater than 150mm; (4) The upper surface of the cover plate is painted with red and white warning paint and black words “do not move”· Protection for holes with side length ≥ 1500mm in the effect drawing (1) for holes with short side length exceeding 1.5m, tool edge protection shall be used around the holes, and horizontal safety net shall be set in the middle of the holes.
Each gear is painted with red and white warning paint.
The vertical pole shall be fixed on the floor (embedded steel plate) or welded steel plate at the bottom of the vertical pole (steel plate specification 5) × one hundred and fifty × 150mm) fix with the structural plate surface with expansion bolts.
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The expansion bolt is fixed to the ground, and the plug-in mode is adopted between gears; (2) The vertical pole of protective railing is 1200mm high, and each gear is 1800mm, 1400mm and 900mm long.
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When the ladder length is greater than 2000mm, a vertical rod must be added in the middle; (2) When the stair protective railing meets the corner, the railing shall be connected by the sleeve connection method (the inner diameter of the sleeve is greater than) φ 48 steel pipe, casing drilling and bolt fixing (connecting rod) the insertion depth of rod into casing shall not be less than 200mm; (3) The protective railing shall be painted with red and white safety warning paint· Real view and effect drawing of stair protection 6.
Elevator shaft (pipe shaft) mouth protection (1) 1500mm high tool type protective door shall be installed at the elevator shaft (pipe shaft) mouth, the spacing of vertical reinforcement shall not be greater than 150mm, and 200mm high toe board shall be installed at the bottom of the protective door, which adopts 30 × thirty × Made of 1.35mm square steel, and the protection height shall comply with the local requirements if otherwise required by the local government; (2) The protective door and toe board shall be painted with red and white warning paint· Elevation of elevator shaft protection 5 stair protection (1) adopts tool type stair protection, and the height of the vertical pole is 1300mm.
A 250mm high safety warning placard is set in the middle, and a 200mm high red and white toe board is set at the bottom· Elevation of edge protection form III (1) column adopts 40 × forty × 3mm square steel, base 120 × one hundred and twenty × 10mm hole steel plate and use Ф twelve × Four expansion bolts are firmly fixed to the ground; The outer frame of the protective fence adopts 30 × thirty × 1.35mm square steel, steel mesh is adopted in the middle, the diameter or section of steel wire is not less than 2mm, and the side length of mesh is not more than 20mm; (2) The height of the vertical pole of the protective railing is 1200m, and the standard length of each gear is 1900mm and 1500mm.
