What is the border fence near the foundation pit?

The "three treasures" are three treasures for the safety protection of construction workers, namely: safety helmet, safety belt and safety net;

"four-port" protection means: the protection of reserved holes, elevator wellheads, access openings and stairs in the project under construction;

the "five-edge" protection means: the floor facing edge, the house facing edge, the balcony facing edge, the lifting port facing edge and the foundation pit facing edge of the project under construction.

edge protection of foundation pit: the edge protection guardrail of foundation pit is welded and assembled by rectangular pipes (or rectangular pipes and mesh), and the column is welded by rectangular pipes of 4*4cm*1.2mm and perforated steel plates with a base of 15*15*8mm. It is convenient to use the 12 # expansion screw to fix with the ground. The standard size of the fence is 12mm high and 2mm wide, with 2mm high red and white (black and yellow) skirting boards at the bottom.

Extended information:

Standardized safety protection in building construction

1. Construction safety passage protection

The construction safety passage protection shed is assembled and built by steel sections, and consists of columns, protective nets and construction warning slogans. It is used for the protective shed of safe passage for construction personnel to enter and exit, such as the passage on the first floor of the construction elevator, the first floor of the material hoist and the first floor of the floor.

the length of protective shed for multi-storey buildings is not less than 4m, and that for high-rise buildings is not less than 6m. The outer side of the safety passage protective shed is closed with a safety net, and the safety template is hung in the internal test. The top is in the form of a double ceiling, and the top should be covered with scaffolding with a thickness of 5cm, with a spacing of 5m between the two boards.

2. Safety protection shed for distribution box

The protection shed for distribution box is composed of 4*4 square tubes welded, with the spacing of square tubes of 15mm, the height of 28mm, the length and width of 15---2mm, and the front is provided with a fence door. Safety protective shed is mainly used in building construction, which can be used not only in distribution box but also in steel bar blanking area, woodworking blanking area, mixer, elevator first floor and so on. It is a symbol of civilized construction in construction site.