The program shall, as far as possible, be based upon existing information in the possession of the departments and agencies of the township. In preparing the program, the Planning Board shall confer, in a manner deemed appropriate by the Board, with the Mayor, the chief fiscal officer, other township officials and agencies and the township and regional school boards. Every township department, authority or agency shall, upon the request of the Planning Board, transmit to said Board a statement of all capital projects proposed to be undertaken by such township department, authority or agency, during the term of the program, for study, advice and recommendation by the Planning Board.