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$ få¤;The ÛÏWhoopsÛ drama dragged on yesterday as proponents of federal | aid for the embattled Washington i. public Power Supply System tried % toTseparate the default on bonds for rj t^o abandoned nuclear power plants 1* from, bonds to finance completion of I' twfp other plants.</br></br>å¤,_r* Opponents of federal aid to Kv^PPSS briefly filibustered in the %innate against efforts by Sen. James N^cCiure (R-Idaho) to force through rescue effort as a rider on an ap-|åÇ .propriations bill.</br></br>$ ^ McClure is expected to try again v today to pass legislation creating a ^^organization to finance con-| sjrcfjftion of two partially completed WPPSS plants.</br></br>^ Meanwhile yesterday, Chemical 5 Bank, trustee for the bondholders ^ who 'financed the canceled projects ft Nos. 4 and 5, filed a long-expected Û¢ lik'l^wsuit in y.S. District Court in Seattle in an attempt to recover funds for investors. The people $>whb;bought the bonds stand to lose .	billion	in	the	largest	municipal i-jBbnd default in -history. -The suit ;%Û¢;Recuses WPPSS, its 23 members, the ^participating utilities in the two : fefprojects, ,the Bonneville Power Ad-ministration and various advisers of ÐÊjCfipaud and mismanagement, vfThe proposed legislation would traJlbW BI^A, a federal government %ageiicy, to create a new entity sep-å£-'arate from WPPSS to raise approximately $1 Billion to finish plants Nos;,1.2 and 3. WPPSS unit 2 is 98 |k percent completed and number 3 is å¤ ÐÊ 7& percent completed.</br></br>å£ | Revenues from power produced by the two plants would pay back investors and would be legally out of | t|ie reach of creditors who hold the defaulted bonds on projects 4 and 5.