Any defects, excessive shrinkage or other faults, which appear
within twenty four (24) months (i) of the date of completion
certified by the Project Manager under clause 2.4 and which are
due to materials or workmanship not in accordance with the
Contract, shall be made good by the Contractor within a
reasonable time entirely at his own cost, unless otherwise
instructed by the Project Manager.
The Project Manager shall certify the date when, in his opinion,
the Contractor's obligations under this clause have been fulfilled.