With the implementation of zoned management for epidemic prevention and control, indoor and outdoor sports venues will gradually reopen with limited capacity. Understanding the disinfection plans for indoor sports venues in advance will more effectively protect the health of athletes and ensure the safe operation of the venues.
Key points for sports venue disinfection
: 1. Cleaning and disinfecting the venue floor
. Cleaning and disinfecting venue equipment
. Cleaning and disinfecting rest rooms and changing rooms.
Points to note regarding disinfection
: 1. Pay attention to personal protection. Wear high-top water boots, masks, and waterproof gloves when cleaning and disinfecting.
2. Disinfectants have a certain degree of corrosiveness. After disinfection, wipe with a clean cloth or mop rinsed with water.
3. Disinfectant products should comply with relevant national health management requirements, be prepared and used strictly according to the product instructions, and be used within the product’s expiration date.
4. Alcohol is not suitable for air spray disinfection or large-area disinfection; it is not only ineffective but also flammable and dangerous.
5. 84 disinfectant cannot be used with toilet cleaner, as it will produce toxic chlorine gas.
6. After using disinfectants indoors, ventilation should be ensured to avoid inhaling chemical residues.
Commonly used disinfectants and concentration ratios
: 1. Alcohol disinfectant. 75% ethanol disinfectant. Use directly.
2. Chlorine-containing disinfectants. The content is expressed in mg/L or % as available chlorine. Common disinfectants include bleaching powder and 84 disinfectant, with a daily disinfection concentration generally of 500 mg/L.
3. Preparation method of chlorine-containing disinfectant with an available chlorine concentration of 500 mg/L:
84 disinfectant (available chlorine content 5%). Disinfectant: diluted with water 1:100;
Bleaching powder, disinfectant powder (available chlorine content 12-13%, 20g/packet). 1 pack of disinfectant powder added to 4.8 liters of water;
Chlorine effervescent tablets (available chlorine content 4800mg/tablet-580mg/tablet). 1 tablet dissolved in 1 liter of water.
Disinfection frequency:
1. Strictly and comprehensively disinfect important areas such as entrances, lobbies, and restrooms;
2. Elevator buttons, escalator handrails, door handles, and other frequently touched parts should be disinfected no less than twice a day.
3. The frequency of disinfection of flooring can be controlled to once a week; frequent use can easily damage the floor.
Disinfection objects and methods :
1. Object surfaces. 1. For surfaces such as desktops, chairs, door handles, faucets, and water dispensers that come into frequent contact with buttons and handles, wipe with a 500mg/L chlorine-containing disinfectant for 30 minutes, then rinse with a towel dampened with clean water. For surfaces and items that are not corrosion-resistant (such as metals), 75% alcohol can be used for wiping. Keep public restrooms clean and provide soap, hand sanitizer, or alcohol-based hand sanitizer.
2. Floors, walls, doors, and windows. Large-area disinfection with alcohol is not recommended. Use a 500mg/L effective chlorine concentration once a week, spraying or wiping with disinfectant for at least 30 minutes each time. For spray disinfection, the surface should be moist but not dripping. For mop disinfection, wring out the mop until it is no longer dripping. After disinfection, wash the floor once with clean water and another clean mop to avoid disinfectant residue corroding the floor or making the surface smooth.
3. Indoor air. Maintain natural ventilation to ensure air circulation. Ventilate 2-3 times daily for at least 30 minutes each time. If possible, use a circulating air sterilizer. Even in unoccupied conditions, air can be disinfected with ultraviolet light for one hour. The initial filter of the air conditioning system should be cleaned weekly and sprayed or soaked in a disinfectant solution with an effective chlorine concentration of 500 mg/L.
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