No waiver shall be effective unless it is in writing and is signed by the party asserted to have granted such waiver.  Failure or delay on the part of a party to exercise fully any right, remedy, power or privilege under this Agreement shall not operate as a waiver thereof.  Any single or partial exercise of any right, remedy, power, or privilege shall not preclude any other or further exercise of the same or of any right, remedy, power or privilege.  Waiver of any right, remedy, power or privilege with respect to any occurrence shall not be construed as a waiver of such right, remedy, power or privilege with respect to any other occurrence.