Property maintenance - standard terms and conditions

21. The Supplier/Contractor shall as soon as it is reasonably practicable repair or replace any of the Materials or part thereof or the Work which is or becomes defective during the period of 6 months from the date of delivery of the Materials or completion of the work whichever is the later, where such defects occur under proper usage and are due to faulty design (other than a design made, furnished or specified by the Purchaser for which the Supplier/Contractor has disclaimed responsibility in writing), the Supplier/Contractor's erroneous instructions as to use or erroneous use data, or inadequate or faulty materials or workmanship or any other breach of the Supplier/Contractor Warranties, expressed or implied Repairs and replacements shall themselves be subject to the foregoing obligations for a period of 6 months from the date of completion of the repair or replacement.