R.I. Gen. Laws § 45-29-29: Access of city and appraisers to property taken.

After the filing by the city of the surveys and maps mentioned in § 45-29-16, the city, its agents, and servants, may enter upon the premises included in them, for the purpose of making necessary surveys, examinations, estimates, and calculations, but always with the least possible annoyance to, and disturbance of, the owners and occupants thereof and their normal use and enjoyment of the premises, without in any instance being liable for trespass. Likewise, the appraisers, when appointed, their servants, agents, employees, and other persons as may be designated by the court, may enter upon the premises and examine every part of the premises to the extent required for a complete appraisal of the premises, but always with the least possible annoyance to, and disturbance of, the owners and occupants of the premises and their normal use and enjoyment of the premises, without in any instance being liable for trespass.