A matter pertaining to potential litigation with respect to the properties located at 267, 271 and 275 Ridgewood Crescent, including matters before administrative tribunals, affecting the municipality or local board with respect to slope failures; advice that is subject to solicitor-client privilege, including communications necessary for that purpose, in connection with the work done on 267, 271 and 275 Ridgewood Crescent and future proposed remedial work; and directions and instructions to officers and employees or agents of the municipality regarding properties located on 267, 271 and 275 Ridgewood Crescent.