Explanation

1. Archives. Records can be requested from your municipality. Sometimes this can be done online through the website, sometimes you need to schedule an appointment to do so.
2. Construction drawing. In exceptional cases, you should also provide a construction drawing. This depends on each municipality.
3. Wishes. Describe or outline your requirements. Where should the breakthrough be (outline what the idea is). Where should the opening be. Sketches on drawing. Indication of location breakthrough
4. Urgency. What is the urgency of your construction calculation?