“Incidental expenses” includes, but is not limited to, the actual expenses and costs incurred by the borough in the preparation of notices, specifications, and contracts, in the overhead and inspection of the work, and in the printing and mailing required under this chapter.

“Nuisance” means any act or thing that is injurious to the public health or safety, prevents or obstructs the reasonable use and enjoyment of life or property, or is dangerous to surrounding property.