Cleaning procedures after COVID-19 infection

Approved by: Central emergency response management
Date: 22/4/2020
Replaces: New

The guidelines apply to staff and students.

Norsk versjon: Cleaning procedures after Covid-19 infection is confirmed in people who have visited NTNU’s premise

Cleaning procedures after Covid-19 infection is confirmed in people who have visited NTNU’s premises #

The purpose of the guidelines is to minimize the risk of transmission if someone infected with Covid-19 has visited NTNU’s premises.

NTNU’s guidelines for physical attendance on campus and guidelines for necessary work in laboratories and workshops form the basis of these guidelines.

NTNU’s guidelines for physical attendance on campus state that an employee or student with confirmed Covid-19 infection must inform their Head of Department or line manager with personnel responsibility – referred to as “manager” in these guidelines from now on.

Areas in which people with confirmed Covid-19 have spent more than 15 minutes continuously (see the FHI link ) must be closed immediately. The manager must notify the Campus Services Division via the "e-vaktmester" online service. Campus Services will ensure that the areas to be closed are marked. Tenants and building owners who do not have access to the "e-vaktmester" must send the notification by email to Personal information about the infected person must not be disclosed.

Areas that do not have mission-critical activities must generally be kept closed until the areas can be regarded as free of infection – at least 7 days (Research article The Effects of Temperature and Relative Humidity on the Viability of the SARS Coronavirus).

Areas with mission-critical functions that cannot be moved to other areas can be disinfected to avoid shutdown. Mission-critical functions are defined in the risk assessments for the unit.

If coronavirus infection is confirmed, the manager must order disinfection via the "e-vaktmester" online service. The Campus Services Division limits disinfection procedures to frequently touched surfaces (door handles, light switches, card readers, desks and tables), and will not move laboratory equipment for disinfection (see guidelines for cleaning of laboratories and workshops). The manager must ensure disinfection of laboratory benches, laboratory sinks and equipment. Users carry out disinfection before the Campus Services Division carries out disinfection. The manager is responsible for organizing this and has a dialogue with the Campus Services Division.

Required personal protective equipment for disinfection in connection with confirmed coronavirus infection #

  • Surgical face mask
  • Gloves with long cuffs (nitrile or latex)
  • Anti-contamination gown or disposable protective gown with a plastic apron. Disposable coveralls can also be used
  • Safety goggles

Both the user environment and the Campus Services Division must use required protective equipment for disinfection. Campus Services can assist user communities with the required protective equipment.

Disinfection procedure #

  • collect personal protective equipment and disinfectant from the storage area for this
  • put on protective equipment
  • avoid touching your face and eyes
  • remove visible dirt with a disposable cloth or paper towel
  • apply disinfectant with a cloth on frequently touched surfaces (do not use a pump dispenser or spray bottle, and follow the instructions)
  • dispose of waste in a separate bag
  • take off protective equipment at the exit from the area
  • put disposable protective equipment in the waste bag and tie the bag
  • dispose of the bag as non-recyclable waste
  • always wash your hands after wearing gloves
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