Suitability is determined by structural geometry, surface type, height, wind conditions, flight restrictions and the environment around the building.
Available ground space is a decisive factor. Without an adequate exclusion zone, the project cannot be executed safely in the form originally requested.
Water and power availability directly affect planning. Where absent, delivery and temporary installation are required.
When the answer is negative, it is stated plainly. An assessment concluding 'unsuitable' carries the same professional value as a positive one.