What is the jingle of three treasures with four mouths and five sides?

"Three treasures" are the three treasures of safety protection for construction workers, namely, safety helmet, safety belt and safety net.

"Four-port" protection refers to the safety protection facilities for reserved holes, elevator wellheads, access openings and stairs in the project under construction.

"Five-sided" protection refers to the safety protection facilities of buildings, roofs, balconies, elevators and foundation pits of projects under construction.

Protection measures for one or four ports

1, the reserved hole in the floor is larger than 1.5m, surrounded by double steel pipe guardrails, with a safety net in the middle pocket, and the hole smaller than 1.5m can also be tightly closed with wooden boards.

2. Ladder mouth is protected by double-layer steel pipe, preferably by structural guardrail.

3. Self-made welded steel bar automatic door (up-and-down opening type) should be adopted at the elevator wellhead, and the automatic door can be opened and closed and fixed firmly.

4. Safety protection shed shall be erected above the hole on the construction site.

Secondly, five border control measures.

1, deep foundation edge, stair edge, roof edge, lighting well edge, transfer platform edge, balcony edge, both sides of pedestrian passage and unloading platform must be protected by two steel pipes, and the steel pipes should be painted with red and white signs.

2. Two protective railings must be installed on the outside of the temporary frame to bind the reinforced side beams and side columns.

3, tic-tac-toe hoist and cargo elevator unloading platform must be installed on the side of the protective door. Protective doors must be switch doors welded with steel bars, and bent steel bars are not allowed to be used as protective doors.

4, limb operations, must set up safety warning signs.

5. When the outside of limb operation is close to the street, in addition to setting protective railings, scaffolding and safety nets, hard sealing measures such as Vitex negundo should be taken for the facade to prevent falling objects from injuring people during construction.