The question is only ambiguous if the contractor has no information about the site. Some preliminary work is required before foundation construction. I will refer to these as a flat rate of 330 euros net. Excavation, storage on the property without removal flat rate 2,400 euros net. Material reinforcement, concreting and installation with flat rate 6,567 euros net. Our clients usually provide their own equipment and labor for the removal of uncontaminated soil to the landfill. For loading onto trucks and removal to the landfill including disposal fees, I would offer the quote at a flat rate of 2,500 euros net. These offers are prepared for a itinerant trader § 55 GewO within a radius of 30 km of 76829 Landau, provided there are no special features or difficulties on site.