What do the three treasures, four mouths and five borders refer to in building construction?

Answer: The Three Treasures of Building Construction refer to: safety belts.

Safety net, safety credit. The four mouths refer to: construction openings, elevator openings, staircase openings, and passage openings. The five edges refer to: the perimeter of the construction work surface, the edge of the staircase, the edge of the floor, the edge of the balcony, and the edge of the foundation pit.

"Three treasures" refers to: safety helmets, safety belts, and safety nets.

"Four mouths" refers to: staircase entrance, elevator entrance, reserved opening, passage entrance; (Some also include cages and wellheads).

"Five borders" refers to:

1. Trenches, pits, grooves and deep foundation periphery.

2. Floor perimeter.

3. The side of the staircase.

4. Platform or balcony side.

5. Roof perimeter.

Summary. Hello, glad to answer for you. Pro, 1The "three treasures" in the construction site refer to: the three treasures of construction workers' safety protection, namely: safety helmets, safety belts, and safety nets;

2.The "four mouths" in the construction site refer to: the protection of the reserved opening, elevator shaft, passage and staircase of the project under construction;

3.In the construction site, the "five edges" refer to: the edge of the building, the edge of the house, the edge of the balcony, the edge of the lifting port, and the edge of the foundation pit of the construction project.

What are the "three treasures, four mouths, and five borders" at the construction site?

Hello, glad to answer for you. Pro, 1The "three treasures" in the construction site of the jujube ruler refer to:

The three treasures of construction workers' safety protection, namely: safety helmets, safety belts, and safety nets; 2.The "four mouths" in the construction site refer to:

Protection of reserved openings, elevator shafts, passages and staircases for projects under construction; 3.The "five edges" in the construction site refer to: the edge of the building, the edge of the house, the edge of the balcony, the edge of the lifting port, and the edge of the foundation pit of the construction project of Dakai.

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Three Treasures: Hard Hats.

Safety nets, seat belts.

Four mouths: staircase entrance, reserved opening, elevator shaft entrance, passage entrance.

Edge: staircase, roof balcony, material platform, canopy eaves, staircase.

The three treasures, the four mouths and the five borders refer to: 1. The three treasures: safety belts, safety nets, and helmets.

2. Four openings: elevator shaft opening, passage opening, staircase opening, reserved opening. 3. Five borders:

the two sides of the passage of the building; staircase openings and section edges for construction; around the foundation pit; perimeter of balconies without railings; There is no outer frame to protect the perimeter of the layer. In addition, precautions for construction sites: 1. The staff at the construction site must wear safety helmets.

2. Use qualified seat belts. 3. Be sure not to go to work after drinking to prevent accidents. 4. Smoking is strictly prohibited on the construction site.

1. The three treasures refer to the three treasures of construction workers' safety protection, namely: safety helmets, safety belts, and safety nets;

Personnel entering the construction site must wear safety helmets correctly. The outside of the scaffold body of the construction project should be closed with a dense safety net. Personnel working at heights should wear safety belts and safety belts according to regulations.

2. The "four mouths" are: the protection of the reserved openings, elevator shafts, passages and staircases of Xinbi in the construction project;

Protective measures should be taken for the holes and holes of the project under construction; The protective facilities at the elevator shaft and staircase should be stereotyped, tooled, firm and reliable, and the protective railing should be painted with yellow and black warning colors. The protection of the passage mouth should be tight and firm;

Third, the "five edges" protection is: the building facing the edge, the house facing the edge, the balcony edge, the lifting port edge, and the foundation pit edge.

Protective measures must be set up for high-altitude operations near the edge. Safety protection facilities should be stereotyped and instrumentalized.

The "three treasures" are the three treasures of safety protection for construction workers, namely safety helmets, safety belts, and safety nets;

"Four-mouth" protection refers to the safety protection facilities of reserved openings, elevator shafts, passages and staircases of projects under construction;

"Five borders" protection refers to the safety protection facilities of the building facing the edge, the house facing the edge, the balcony facing the edge, the lifting port facing the edge, and the foundation pit facing the edge of the construction project.

Personnel entering the site must wear safety helmets and fasten hat belts, wear rubber-soled shoes, and must not wear hard-soled shoes, high heels, slippers or barefoot, and safety belts must be worn when working at height.

Answer: The on-site personnel insist on using the "three treasures": the personnel entering the site must wear safety helmets and fasten the hat straps, wear rubber-soled shoes, and must not wear hard-soled shoes, high heels, slippers or barefoot; Seat belts must be worn when working at height. Do a good job in the protection of the "four mouths":

In the staircase, elevator mouth, reserved opening set up fence, cover, frame net, under construction of the building population and well frame, portal frame inlet and outlet, must be erected to meet the requirements of the protective shed, and set up eye-catching signs.

Do a good job in the protection of the "five edges": around the balcony, around the roof, around the frame engineering floor, on both sides of the runway, on both sides of the ramp, and on the outside of the unloading platform, "the above double-layer fence or safety net must be set up.

Director Dafu explained: What is the "three treasures, four mouths, and five borders" of housing construction projects

1. "Three treasures" refer to the safety nets used for construction protection, safety helmets and safety belts worn for personal protection. It is necessary to adhere to the correct use and wearing, which can avoid the occurrence of the operator's accident, so it is called "three treasures".

2. "Four openings" refer to the staircase openings, elevator openings, passage openings, and reserved openings in building construction.

Staircase and passage entrance: stair railings should be installed with the floor, if installed later, two steel pipes must be used for protection.

Elevator entrance: the use of meter-high steel doors or steel pipe protection, the first floor and the first floor above the first floor every four steps (two floors) and up to 10 meters apart set up a horizontal safety net.

"Five edges" refers to: the perimeter of the balcony that has not yet been installed with railings, the perimeter of the layer without outer frame protection, the perimeter of the frame engineering floor, the two sides of the upper and lower runways and ramps, and the side of the unloading platform.

Director Dafu explained: What is the "three treasures, four mouths, and five borders" of housing construction projects

"Three treasures" refers to: safety helmets, safety belts, and safety nets.

"Four mouths" refers to: staircase entrance, elevator entrance, reserved opening, passage entrance;

"Five borders" refers to:

1. Trenches, pits, grooves and deep foundation periphery.

2. Floor perimeter.

3. The side of the staircase.

4. Platform or balcony side.

5. Roof perimeter.

Director Dafu explained: What is the "three treasures, four mouths, and five borders" of housing construction projects