Setting of astreintes (periodic penalty payments) in emergency relief proceedings prior to arbitration. Filing of provisional enforcement action. "Motion to stay provisional enforcement rejected by the court a quo, which ordered the continuation of enforcement proceedings. The court a quo's decision was rendered moot by the constitution of the arbitral tribunal, which has repeatedly ruled on the interim protective measure originally granted." The decision ordering the continuation of provisional enforcement proceedings was rendered moot by the arbitrators' rulings on the urgent provisional relief granted. "There is no doubt, therefore, that state jurisdiction has been superseded since the constitution and subsequent rulings of the arbitral tribunal":