Clean room rules and regulations

1. Purpose

This regulation is formulated to protect the health of employees and the environmental hygiene of the workplace.

2. Scope of application

Applicable to clean workshops, including dressing rooms, purification areas, and personnel and equipment working in production workshops.

(Figure 1: Clean workshop)

3. Requirements

3.1 Qualifications of personnel entering clean workshops

3.1.1 Only personnel who have passed the training and have been reviewed by the supervisor can enter the clean workshop.

3.1.2 Personnel entering the clean workshop must clearly understand and comply with the safety regulations of the clean workshop.

3.1.3 Employees, foreign guests and contractors who have not yet been recognized should first report to the workshop manager for approval and register with the office staff before entering the clean workshop, and should be accompanied by qualified personnel before entering.

3.1.4 It is strictly forbidden to enter the clean workshop without registration and without approval.

3.1.5 Anyone who violates the above regulations or causes economic losses to the company due to violation of the above regulations will be given administrative warnings, demerits or dismissal according to the losses.

3.2 Matters to be noted before entering the clean workshop

3.2.1 When foreign guests and contractors enter and leave the clean room, relevant personnel need to go to the office to register for entering and leaving the clean room.

3.2.2 When entering the clean room for work or visiting, you must change into dust-free clothes according to regulations to ensure its overall protective performance and the hygiene of the workshop.

3.2.3 Personal belongings (handbags, books) and tools not used in the clean room shall not be brought into the clean room without permission. Maintenance manuals and tools should be put away immediately after use. Any items not related to work and production and items that may generate a lot of dust are strictly prohibited from being brought into the clean room.

3.2.4 Keep your hands, nails, and face clean before entering the clean room. Hands are a major source of pollution. Hands are the hygiene that transfers pollutants from one hand to another, especially nails, nail roots, and injuries on the hands. The mouth is also a major source of pollution, so good oral hygiene is very important. Therefore, you cannot smoke within thirty minutes before entering the clean room and dressing room to keep your lungs clean.

3.2.5 Employees are encouraged to take showers, wash their hair, change clothes, strengthen physical exercise and stay healthy. 

3.2.6 When raw materials Enter the clean room, they must be unpacked and wiped outside before being brought into the clean room. 

3.3 Procedures for entering the clean room

3.3.1 Before stepping on the floor at the entrance of the shoe changing area, you must take off your outer shoes first.

3.3.2 Place outer shoes in the shoe cabinet of general shoes and change into dust-free clothes in the changing area.

(Figure 2: Personnel entering the clean room)

3.4 Relevant regulations in the clean room

3.4.1 Those entering the clean room should keep their bodies clean, comb their hair frequently, and do not comb their hair in any form in the clean room. It is also forbidden to use perfume and cosmetics. It is forbidden to use nail polish.

3.4.2 When personnel come into contact with equipment and products, they should wear protective equipment.

3.4.3 In the clean room, it is not allowed to eat, make noise, or engage in other things unrelated to production.

3.4.4 The operation should be gentle, strictly abide by the operation specifications, do not make large movements, do not make unnecessary movements or walk.

3.4.5 Do not write or draw on the company's property such as clean clothes, boxes, cabinets, tables, chairs, equipment, etc., and it is strictly forbidden to sit on equipment, workbenches and floors except for special requirements for work.

3.4.6 Keep the workplace clean and tidy, and clean up the leftover items and residues after work in time.

3.4.7 Operators must have the qualification certification for on-the-job operation before they can operate the corresponding machine models, and must not touch instruments and equipment unrelated to the position.

3.4.8 Any mechanical processing activities that form dust are not allowed in the clean room, such as drilling, sawing, grinding, etc. If there is a real need, an application for construction in the clean room should be submitted in advance, and effective cleaning measures should be taken.

3.4.9 In principle, all personnel entering the clean room are not allowed to take photos and videos. If there is a need to use cameras, camcorders, laptops, etc. in the clean room for work, it must be approved by the manager of the battery workshop or above.

(Figure 3: Clean room hygiene management)

4. Changing room hygiene

4.1 The locker room must be kept clean and tidy, and no garbage, dirt or debris should be piled up.

4.2 The walls and floors of the locker room must be cleaned once every shift.

4.3 Spitting is strictly prohibited in the locker room.

4.4 The cabinets used by employees in the locker room should be sorted and cleaned daily to keep them clean.

4.5 The passages in the locker room should be kept clean and unobstructed:

4.6 The removal of garbage, dirt, and waste must meet the requirements of hygiene and be placed in the specified places or boxes. They must not be dumped and piled up at will.

4.7 Any work that may produce gases, ash, and powder that may harm hygiene should comply with the following regulations:

4.7.1 Use appropriate methods to reduce the generation of such harmful substances.

4.7.2 Use sealed equipment to prevent the emission of such harmful substances.

4.7.3 At the nearest place where such harmful substances occur, condensation, precipitation, attraction or elimination shall be carried out according to their properties.

5. Purify the hygiene of the workshop

5.1 The scope of sanitation management of the cleanroom includes the walls, ceilings and floors, doors, windows and glass of the cleanroom, and the equipment, facilities and tools in the cleanroom, including cleaning tools.

5.2 The standards for sanitation cleaning are:

5.2.1 There is no dust on the doors, windows and glass.

5.2.2 There is no dirt, sewage, dust or chemicals on the floor.

5.2.3 There is no dust or stains on the surrounding walls, ceilings and their attachments.

5.2.4 The appearance of the equipment is clean, without dust or stains, no leakage or dripping of chemicals, and no garbage on the line. There are no hidden dangers in the equipment.

5.2.5 Articles and tools are neatly placed.

(Figure 4: Clean room cleaning)

5.3 The sanitation cleaning is carried out under the team responsibility system, and the team responsible person is the responsible person. The sanitation of the work area of each team is the daily cleaning of each team.

5.4 The floor sanitation is wiped with a vacuum cleaner, dust-free mop, dust-free cloth, etc. according to different processes. The sanitation of the equipment is cleaned according to the different maintenance requirements of each equipment.

5.5 Sanitation cleaning of the responsible area is carried out once per shift, with regular cleaning and all-day cleaning. Daily cleaning is subject to sanitation inspection and evaluation by the production department.

5.6 Each team should take sanitation cleaning and sanitation inspection and evaluation work seriously and actively carry out sanitation cleaning.