Construction Developers Associates v. Urban Development Corporation

Construction Contract-Breach of contract-Whether contract required parties to arbitrate-Whether architect had authority t 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