Loading...
HomeMy WebLinkAboutChange Order - 5Kyle Smith 10/30/23               CAG-22-062, CO #5-23 Approved by Cheryl Beyer via 10/23/2023 email ChangeOrderNo.____5_____ ContractNo.:CAGͲ22Ͳ062 ContractTitle:BronsonWayBridgeͲSeismicRetrofitandPainting ProjectNo.:TED4004020Page2of5 THECONTRACTISMODIFIEDASFOLLOWS:DescriptionofChange:x Addthefollowingbiditemstothecontract:o BidItemNo.5Ͳ23,REVISEJACKINGPLANFORCONCRETEJACKINGPEDESTALS,Quantity=1L.S.,UnitPrice=$8,000.00perL.S.o BidItemNo.5Ͳ24,CONC.CLASS4000FORBRIDGEADDED, Quantity=2C.Y.,UnitPrice=$9,750.00perC.Y. o BidItemNo.5Ͳ26,ST.REINF.BARFORBRIDGEADDED, Quantity=438LB.,UnitPrice=$10.00perLB.  x ModifyDrawingNo.11,JackingDetailviews,asshownintherevisedplanattachedtothis changeorder.  x AddDrawingNo.11B,JackingPedestalDetails,attachedtothischangeorder.  x AddSpecialProvision6Ͳ01.13(A)asfollows: 6Ͳ01.13(A)BridgeJackingonNewReinforcedConcreteJackingPedestals (******) Section6Ͳ01.13(A)isanewsection:  Description ThisWorkconsistsofthedesign,furnishing,fabrication,erectionandremovalofarevised jackingsystemforthepurposeofraisingandloweringthebridgesuperstructureonnew reinforcedconcretejackingpedestalsshownonDrawingNo.11(revised)andDrawing No.11B(new).  Materials RefertoSection6Ͳ01.13.  ConstructionRequirements RefertoSection6Ͳ01.13.  Measurement ReviseJackingPlanforConcreteJackingPedestalswillbemeasuredbylumpsum.  Payment PaymentwillbemadeforthefollowingBiditemswhentheyareincludedintheProposal:          ChangeOrderNo.____5_____ ContractNo.:CAGͲ22Ͳ062 ContractTitle:BronsonWayBridgeͲSeismicRetrofitandPainting ProjectNo.:TED4004020Page3of5 “ReviseJackingPlanforConcreteJackingPedestals",lumpsum.Theunitcontractpricefor"ReviseJackingPlanforConcreteJackingPedestals"shallbefullpayforredesigningthebridgejackingsystemforjackingonnewreinforcedconcretejackingpedestalsshownonDrawingNo.11(revised)andDrawingNo.11B(new).Paymentfor“ReviseJackingPlanforConcreteJackingPedestals”willbemadeonthefollowingbasis:x Paymentwillbe100%ofthelumpsumbidpriceuponsubmissionandapprovalofthe revisedJackingSystemsubmittalbytheEngineer.  ReasonforChange:  ThisChangeOrderdoesnotincludeasignificantchangeasdefinedinSection1Ͳ04.4sincethe characteroftheWorkdoesnotdiffermateriallyinkindornaturefromthatinvolvedorincluded intheoriginalproposedconstruction.Specifically,formingandcastingreinforcedconcrete jackingpedestals,doweledintotheexistingpierseats.  Uponsubmissionandreviewofthesubmittalfortheproposedbridgejackingsystem(Submittal No.16),itbecameapparentthatthecapacityoftheexistingreinforcedconcretepierseatsmay notbesufficientfortheanticipatedloadsfrombridgejackingoperations.AccordingtotheasͲ builtdrawingsforthebridge,themainpiersarenotmonolithic.Tosaveonmaterialcostsand/or reducethedeadloadofthemainpiers,theywereconstructedhollow,withperiodicinternal wallsconnectingfrontandbackwalls,exceptforthespan2bearinglocations.Novoidsare locatedatthespan2bearinglocations.Onlyasolidcolumnofconcrete.Outsideofthesecolumns therearehollowspaces.Thelocationsofjackingpointsweresuggestedintheconstruction contract,withthedetailstobeworkedoutinthefieldbythecontractor.Uponlocatingand establishingthejackingpointsitbecameapparentthattheywouldresideoverhollowspacesin themainpiers.Thispromptedacheckofthecapacityofthemainpierseatstoresistanticipated jackingforces.Themainpierseatsareapproximately2Ͳftthick,withonlyatopmatofsteel reinforcingbars.Areviewoftheconfigurationandcapacityofthemainpierseatsresultedina determinationthattheexistingcapacitymaynotbesufficientforanticipatedjackingforces.  Theadditionofreinforcedconcretejackingpedestals(4total)increasesthecapacityinthemain pierseatstoresistanticipatedjackingforcesandimprovesthefactorofsafetyforbridgejacking operations.Theadditionoftheconcretejackingpedestalsrequiredadditionalstructuralanalysis forbridgejackingandpreparationofarevisedjackingplanforthebridgejacksandassociated hardware.  AffectsDBEWork:տYes܆NoցN/A(NotFHWAFunded)           ChangeOrderNo.____5_____ ContractNo.:CAGͲ22Ͳ062 ContractTitle:BronsonWayBridgeͲSeismicRetrofitandPainting ProjectNo.:TED4004020Page4of5 Materials:ConcreteClass4000forBridgeSt.Reinf.BarforBridgePlans:Refertodrawingsattachedtothischangeorder.  EquitableAdjustment:  ThisChangeOrderincludeschangesasdefinedinSection1Ͳ04.4.Specifically,increasing quantitiesandalteringspecifications,designsorboth.Thischangeorderincludesanequitable adjustmentperSection1Ͳ09.4ofthe2022WSDOT/APWAStandardSpecificationsintheunit pricesofthenewbiditems.Theunitpricesofthenewbiditemsareasfollows:  x BidItemNo.5Ͳ23,REVISEJACKINGPLANFORCONCRETEJACKINGPEDESTALS,UnitPrice= $8,000.00perL.S. x BidItemNo.5Ͳ24,CONC.CLASS4000FORBRIDGEADDED,UnitPrice=$9,750.00perC.Y. x BidItemNo.5Ͳ26,ST.REINF.BARFORBRIDGEADDED,UnitPrice=$10.00perLB.  ExtensionofTime:  TheTimeforCompletionisextended0WorkingDays.            ChangeOrderNo.____5_____ ContractNo.:CAGͲ22Ͳ062 ContractTitle:BronsonWayBridgeͲSeismicRetrofitandPainting ProjectNo.:TED4004020Page5of5 Sections1Ͳ04.4and1Ͳ04.5ofthe2022WSDOT/APWAStandardSpecificationsshallgovernthisChangeOrder.TheWorkofthereferencedContractismodifiedtoincludethechangesdetailedherein.Thepaymentprovidedforhereinshallconstitutethecompleteandfinalsettlementforallcostsoflabor,equipment,materials,overhead,profit,permitfees,andallotherclaimsthatmaybemadebytheContractorasaresultofthischange.AttachmentstothisChangeOrder: տFieldDirective տEquitableAdjustmentDetermination տDeterminationofAdditionalWorkingDays ܈Engineer’sEstimateofChangeOrderCost տEngineer’sCalculationofAdditionalWorkingDays տContractor’sQuote ܈Plans տProjectLaborList տContractor’sEquipmentListincludingratesperAGCͲWSDOTEquipmentRental Agreement տSummaryofinvoicesforrentedequipment տSummaryofinvoicesformaterials          ProjectNo.:TED4004020ContractNo.:CAGͲ22Ͳ062BidItemNo. Description Quantity Unit UnitPrice EstimatedCostItemdescription Labor Hours $0.00LaborMarkup 31%$0.00EquipmentHours $0.00EquipmentMarkup 21%$0.00 Materials Estimate $0.00 MaterialsMarkup 21%$0.00 Services Estimate $0.00 ServicesMarkup 21%$0.00 Mobilization Estimate $0.00 SubcontractorWork Estimate $0.00 SubcontractorMarkup 12%,10%,7%$0.00 $0.00 5Ͳ23 REVISEJACKINGPLANFORCONCRETE JACKINGPEDESTALS 1 L.S. $8,000.00 $8,000.00 5Ͳ24 CONC.CLASS4000FORBRIDGEADDED 2 C.Y. $9,750.00 $19,500.00 5Ͳ26 ST.REINF.BARFORBRIDGEADDED 438 LB. $10.00 $4,380.00 $31,880.00 Perattacheddetermination Estimate $0.00 $31,880.00 $31,880.00                   EstimatedChangeOrderCost EquitableAdjustment ForceAccount BidItemChange EstimatedChangeOrderCost ChangeOrderNo.5 ForceAccountTotal BidItemChangeTotal CalculatedCost Page1of1         SCALE: 1" = 1'-0"06"1' 2'SCALE: 1" = 1'-0"06"1' 2'SCALE: 1" = 1'-0"06"1' 2'07/$'4$; #224'8+5+10&'5%4+26+10&4#90$;&'5+)0$;%*'%-$;241,/)4(+.'CITY OF RENTONBY:DATE:APPROVED FOR CONSTRUCTION&#6'&4#9+0)01241,'%60156#6'#+&01&#6'5*''601OF5748';'&$4105109#;$4+&)'Ä5'+5/+%4'641(+6#0&2#+06+0)28Bronson_Sheet 11 Rev.dwg,#%-+0)&'6#+.5#0&$'#4+0)&'/16'&,55%#/%#//,5*.2Ä  CHANGE ORDER NO. 5 - ADD CONCRETE JACKING PEDESTALS4/12/2023        SCALE: 3" = 1'-0"03"6"9"07/$'4$; #224'8+5+10&'5%4+26+10&4#90$;&'5+)0$;%*'%-$;241,/)4(+.'CITY OF RENTONBY:DATE:APPROVED FOR CONSTRUCTION&#6'&4#9+0)01241,'%60156#6'#+&01&#6'5*''601OF5748';'&$4105109#;$4+&)'Ä5'+5/+%4'641(+6#0&2#+06+0)28SCALE: 2" = 1'-0"04"8"18"SCALE: 2" = 1'-0"04"8"18"Bronson_Sheet 11 Rev.dwg$$,#%-+0)2'&'56#.&'6#+.56'&,55%#/%#//,5*.2Ä  1CHANGE ORDER NO. 5 - ADD CONCRETE JACKING PEDESTALS4/12/2023