Prior to the commencement of any Alterations, Tenant shall provide Landlord with evidence that Tenant or Tenant's contractor carries insurance for workers' compensation, "Builder's All Risk" insurance in an amount approved by Landlord covering the construction of such Alterations, and such other insurance as Landlord may reasonably require, it being understood that all such Alterations shall be insured by Tenant pursuant to Article 14 of this Lease immediately upon completion thereof.