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Winter arrangements

To protect against the weather, stationary work sites (e.g. iron binding, sawing using a stationary circular saw, pipe cutting, etc.) must take place within a container, under an all-weather roof support or indoors, irrespective of the time of year.

Over the winter, it is necessary to safeguard against problems caused by water, rain, hail and snow, as well as the cold and dark.

The Working Environment Authority’s rules in Executive Order on conditions at construction sites makes demands of winter arrangements over the period 1 October to 31 March.


Carcasses, scaffolding and open structures must be covered if:

  • the work extends over a long periods (approx. three days for carcasses and approx. six days for scaffolding and similar).
  • the weather is so bad that employees risk being exposed to conditions harmful to their health.
  • covering such structures is possible and reasonable.

The National Agency for Enterprise and Construction’s rules on winter work are applicable for the period 1 November to 31 March. These rules divide arrangements into seasonal arrangements (rain, etc.), which contractors must fund, and weather-related arrangements (snow, frost, etc.) which the developer must fund. The guidelines to these rules include a number of descriptions which are also of significance to the working environment over the winter.

The agreements have guidelines on payment for implementation of winter arrangements and guidelines for the supply, setup and moving of partitions.

The building regulations demand that it must be possible to carry out building work in the dry. This may mean that covers have to be used.

Make sure that drain laying and drainage work are carried out in plenty of time before the winter.

Roads and storage sites must be dewatered effectively.

Supply conduits (electricity) and pipes (water) must be laid in plenty of time. Temporary water pipes and drainage pipes must be insulated.

Acquire shovels, snow ploughs, sweepers and other snow clearing equipment in plenty of time. Also remember grit, urea salt and winter mats. These may also be placed in a store.

Review your winter arrangements at a meeting in plenty of time before the onset of winter.

Examples of possible arrangements:

  • Closing of façade openings with plastic coated frames or similar.
  • Full or partial covering with a plastic tarpaulin or similar.
  • Covering in the form of an effectively arranged climate screen or wind screen.
  • Cover or complete cover.
  • If a plastic tarpaulin is to be fitted to the scaffolding, it must have a sufficient number of attachment points.
  • If the scaffolding is covered with a net, it is not necessary to have the same number of attachments points as is the case when covering it with a tarpaulin. A net which limits the effects of the wind by up to 50% will ensure that people can see in and out, and hence in some cases this will be a sufficient and acceptable solution.