How to create a foundation plan

If, for example, you bought a garden house or a carport as a kit, almost always a foundation plan is part of the delivery accessories. But even then it may be that they want to plan additional things like a sewage pipe, etc. in this plan. However, when building such buildings, garages or holiday homes yourself, you are responsible for the foundation plan yourself. An exception is the entire residential building, because it requires calculations that are in the hands of the civil engineer.
However, according to the regional building regulations, it may also be that this foundation plan is part of your application documents. Therefore, be very careful when planning.

Step 1: Planning the external dimensions and load-bearing foundation parts

You already have a firm idea of ​​the length and width of your structure. The same dimensions have their foundation. If you want to build masonry on it, you must plan in the masonry strength and consistently frost-resistant strip foundations 80cm deep. The same applies to load-bearing interior walls. All non-structural components of the foundation are planned as a base plate in reinforced concrete.

Step 2: Planning the connections and equipotential bonding

You will already need your plan for the sanitary facility. Drainage pipes that run in the foundation must arrive where they are needed with centimeter accuracy. A later correction by pipe bends is not possible.
Every foundation of a building with electrical system requires a circulating foundation ground. Its terminal lug must protrude from the foundation where the meter cabinet is installed.
However, your foundation plan also includes water and electrical cables that are to be used later in the outdoor area.

Step 3: Draw your foundation plan

Put your foundation plan on paper. An A4 sheet is sufficient up to the size of a holiday home etc. From this plan, all dimensions of the width and depth of the supporting strip foundations must be visible. But also record all the mentioned connections and provide them with exact dimensions.
If you need the foundation plan for a building application, it must of course also include the name of the builder, the address of the construction site and the parcel number.
If you put the foundation plan into practice with centimeter precision, it forms the basis for a stable building.

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