Construction Developers Associates v. Urban Development Corporation

Construction Contract - Breach of contract - Whether contract required parties to arbitrate – Whether architect had authority to certify claim – Effect of architect’s interim and final certificates - Whether sum due on earlier certificate can be paid on later certificate - Whether payment made gratuitously - Whether oral contract is ‘Cost Plus’- Whether claimant entitled to compound interest - Whether claim ought to be determined on quantum meruit basis - whether claim statute barred.