I. Decoration Requirements for Clean Workshops
1. Workshop buildings should be durable, easy to maintain, easy to clean, and have structures to prevent contamination of food, food contact surfaces and internal packaging materials (such as invasion, habitat, reproduction of pests).
2. In order to prevent cross-contamination, personnel passage and material transportation passage should be set up separately, each passage should be equipped with air curtain (i.e. wind curtain) or two-way spring door and electronic fly (mosquito) killer and other anti-insect facilities.
3. The voids around the pipes, doors and windows and ventilation channels leading to the outside world shall be fully filled. All windows, vents and fan openings shall be covered with protective nets.
4. The height of the workshop should meet the requirements of technology and sanitation, as well as the requirements of equipment installation, maintenance and maintenance.
What should we pay attention to in the decoration of clean workshop?
What should we pay attention to in the decoration of clean workshop?
Ground and Drainage
The ground should be paved with non-toxic, impermeable, non-absorbent, non-slip, non-cracked and easy to clean and disinfect building materials (such as acid-resistant bricks, terrazzo, concrete, etc.) and the ground should have appropriate gradient.
What should we pay attention to in the decoration of clean workshop?
3. Roof and ceiling
1. The roof and ceiling should be coated or decorated with light-colored materials which are not absorbent, smooth, non-toxic, mildew-proof, corrosion-resistant and easy to clean, so as to reduce dew and dripping in structure.
2. Steam, water, electricity and other auxiliary pipes should not be installed above the food and food contact surface to prevent dust or condensate from falling into it.
What should we pay attention to in the decoration of clean workshop?
IV. WALLS AND DOOR AND WINDOWS
1. The walls of the workshop shall be constructed of light-colored materials which are non-toxic, non-absorbent, non-seepage, mildew-proof, smooth and easy to clean. The height of the decoration shall be up to the roof.
2. All doors and windows shall be constructed with rust-proof, moisture-proof and easy-to-clean sealing frames.
What should we pay attention to in the decoration of clean workshop?
5. Lighting and lighting facilities
The workshop should have sufficient natural lighting or artificial lighting, the mixed illumination of the working face in the processing site should not be less than 300 Lx, and the proportioning and filling workshop should not be less than 800Lx.
What should we pay attention to in the decoration of clean workshop?
VI. Air Treatment and Purification Facilities
1. Effective ventilation equipment must be installed in the workshop. The air flow direction should be from clean area to non-clean area. When mechanical ventilation is used, the ventilation volume should be greater than 3 times per hour.
2. The temperature of the clean workshop should be controlled between 15 and 27 C, and the humidity should be controlled below 50%.
3. Clean workshop entrance should be equipped with purification facilities for personnel and materials respectively.