Sec. 8-64c. Resident participation plan for major physical transformation and disposition activities. (a) For purposes of this section: (1) “Disposition” means a sale, lease, transfer or other change in ownership or control; (2) “major physical transformation” means (A) any renovation, rehabilitation, revitalization or redevelopment of real property or a portion thereof for which the estimated cost exceeds fifty per cent of the estimated replacement value of such real property or portion thereof, or (B) any demolition of real property or portion thereof that results in the loss of one or more housing units; (3) “resident participation plan” means a written description of a specific and ongoing process to enable meaningful resident participation during the planning, implementation and monitoring of major physical transformation or disposition activities, beginning with the earliest stages of concept and design; (4) “signed agreement” means a resident participation plan that is signed by a housing authority, a duly elected and constituted tenant organization, the developer undertaking the major physical transformation, if any, and the entity that will own, lease or otherwise control the real property or portion thereof, if any; and (5) “authority” or “housing authority” and “real property” have the same meanings as in section 8-39.