Formwork drawings are part of the executive plans and form the basis for the formwork of concrete, reinforced concrete and prestressed concrete elements.
Formwork plans are created by a construction engineer or designer based on the architectural executive plan and present the element to be erected in scale on floor plans, views and sections. In the case of floor plans, they show a view from above or more often from below the slab above the given floor. Elements below the floor that act as floor supports are always shown. Additionally, elements rising above the ceiling may also be shown as a hidden line or hatching. They also contain information about the location and quantity of so-called embedded elements, such as anchor channels, pipes, welded plates, steel profiles, etc. These are elements that are installed before pouring concrete and must be placed in the formwork before concreting.
On the formwork plan, the edges of the formwork, dimensional chains, location of recesses, penetrations and gaps, exposed concrete surfaces, etc. are determined. Information about structural or construction connections and predetermined work breaks is also recorded.
Formwork plans are checked by the architect in terms of dimensions to ensure their compliance with local standards and building regulations. Careful coordination with the client is also important.
Formwork plans serve as a means of communication between the designer and the construction company. The type of visualization and the number and location of sections should therefore always be chosen in such a way that the contractor has a clear picture of the geometry of the element to be erected.
What we need to properly execute a formwork drawing:
Architectural plans.
Static guidelines in the form of position plans or full static calculations.
Executive guidelines, arrangement of work breaks, staging of works, as well as special requests and guidelines of the client.
