Dust free room construction is divided into three stages: general clean, very clean and super clean
During the construction of dust-free room, we should abide by the construction environment of some sites. The following three stages of dust-free room construction are described as follows:
The first stage is general clean stage
It refers to the conventional equipment installation stage, including the installation of some mechanical equipment, air supply and exhaust system, ceiling bracket, etc., without special requirements for the cleanliness of the construction site.
During the general cleaning stage, the following points must be followed:
Before entering the construction area, the shoes must be wiped clean. Every day, a special person is responsible for cleaning the site, checking the materials once a day. Smoking, food or drinking water are not allowed in the construction area of the dust-free room, and all personnel in and out of the area are warned at obvious positions.
The leftover materials must be cleaned every day. There should be enough dustbins on the construction site. The import and export of personnel and materials must be controlled by the management personnel. The cleaning work of the construction team should be carried out once a week. Any work with pollution is prohibited.
The second stage is very clean
It refers to the process when the pressurized fan starts to work after the completion of the building periphery and all dust-free rooms must be operated under the positive pressure environment. This stage includes the installation and construction of ceiling, floor, partition wall and clean pipeline of dust-free room.
During the very clean phase, the following points must be observed:
Before entering the clean construction area, it is necessary to wear special shoes for construction in the dust-free room, or put on clean shoe covers, often clean with a vacuum cleaner, and count the materials once a day.
It is forbidden to smoke, eat or drink water in the construction area of the dust-free room, and all personnel in and out of the room shall be warned at an obvious position. Leftover materials must be cleaned every day. There shall be sufficient dustbins on the construction site, and the entrance and exit of personnel and materials must be controlled by the management personnel.
Clean the construction team once a week. Any work with pollution is prohibited. The construction materials must be cleaned before entering the construction area. The materials for internal construction will be separately packed into the site. The non clean materials shall be unpacked at the designated place outside the site, the outer packing shall be timely put into the garbage can, and all tools shall be clean.
Three stages: super clean stage
Refers to the construction stage after the completion of the dust-free room structure. In this stage, we mainly carry out the installation, process pipeline and some testing work of the equipment with high requirements for cleanliness level, such as filter and air shower room.
In the super clean phase, the following points must be followed:
Before entering the clean construction area, it is necessary to wear the special shoes for construction in the dust-free room, or put on the clean shoe cover, and often use the vacuum cleaner or the portable vacuum cleaner with filter to clean the materials once a day.
It is forbidden to smoke, eat or drink water in the construction area of the dust-free room, and all personnel in and out of the room shall be warned at an obvious position. The leftover materials must be cleaned every day, and there shall be enough dustbins on the construction site.
The import and export of personnel and materials shall be controlled by management personnel. Cleaning of construction team shall be carried out once a week. Any work with pollution is prohibited. Construction materials must be cleaned before entering the construction area.
Materials for internal construction will be separately packed into the site. When entering the ultra clean area, the materials must be treated as follows before entering the site for use:
When unpacking at the designated place outside the site, the inlet must be kept under positive pressure and sealed, the principle is the same as that of airlock. The outer packing shall be put into the dustbin in time. The material shall be used after being wiped at the designated entrance.
The filter and ceiling materials shall be kept in plastic bags until they are disassembled for inspection and cleaning before installation. All materials and tools shall be cleaned with water. The fresh air fan shall operate continuously to ensure positive indoor pressure,
In addition to the clean work clothes that all construction personnel need to wear in the dust-free room and the clean clothes that they need to wear in the dust-free room, wooden and folded cardboard are not allowed to be used on the site, and special pens for the dust-free room shall be distributed to each employee. Pencil or any other pen shall not be used in a dust-free room.
Visitors are not allowed to enter the clean room if not required, even during the construction phase. Access to the dust-free room shall be approved by the owner or the person in charge of dust-free room construction and confirmed by the person in charge.
It is strictly forbidden to dress up. No food, water or smoking is allowed in clean area and non clean area. The door opening time shall not be longer than the normal time. Except for the air lock, the door of the dressing room cannot be opened at the same time.
Ed purification has developed for many years in the field of dust-free room engineering, and has implemented a series of dust-free room purification projects. For some difficult projects, it has also been perfectly completed through excellent technical strength and well-trained construction team of dust-free room purification project. To learn more about purification industry, please pay attention to wechat public number: aide-188 (ED purification oxygen supply)