The lessor shall have the right, and hereby reserves the right, to enter upon said demised premises on or before or about the time or during the time of the construction of said new building, and to post, print, paint, or place thereon, in a conspicuous place or places, notices of such character and size as the lessor may determine, and to keep them so maintained, to the effect that, he, the lessor and owner will not be responsible for the construction, alteration and repair, or intended construction, alteration or repair, of any building or improvement upon the said property; or to take any other act that may be required by law or by Section 1192 of the Code of Civil Procedure to exempt said lessor from liability by reason of the construction thereof.