maintenance tasks, alterations, or remodeling only if:
(1) the agreement of the parties is set forth in a separate writing signed by the parties and supported by adequate consideration;
(2) the work is not necessary to cure noncompliance with subdivision (1) of subsection (a); and
(3) the agreement does not diminish or affect the obligation of the landlord to other tenants in the premises.
(e) The landlord may not treat performance of the separate agreement described in subsection (d) as a condition to any obligation or performance of any rental agreement.
(f) Rights of the tenant under this section do not arise if the condition was caused by the willful or negligent act or omission of the tenant, a member of the tenant’s family, a licensee, or other person on the premises with the tenant’s consent.