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HomeMy WebLinkAboutChange Order - 4Kyle Smith 10/30/23              Approved by Cheryl Beyer via 10/24/2023 email CAG-22-062, CO #4-23 ChangeOrderNo.____4_____ ContractNo.:CAGͲ22Ͳ062 ContractTitle:BronsonWayBridgeͲSeismicRetrofitandPainting ProjectNo.:TED4004020Page2of3 THECONTRACTISMODIFIEDASFOLLOWS:DescriptionofChange:x Addthefollowingbiditemstothecontract:o BidItemNo.4Ͳ18,HMACL.1/2IN.PG58HͲ22ADDED,Quantity=47Tons,UnitPrice=$528.00perTon x ModifyDrawingNo.16,TypicalSection,asshownintherevisedplanattachedtothischange order.  ReasonforChange:  ThisChangeOrderdoesnotincludeasignificantchangeasdefinedinSection1Ͳ04.4sincethe characteroftheWorkdoesnotdiffermateriallyinkindornaturefromthatinvolvedorincluded intheoriginalproposedconstruction.Specifically,increasingthetransverseslopeofthestreet surfacebyincreasingtheHMAoverlaythicknessatthebridgedeckcrowntoimprovedrainage.  Theconcretebridgedeckwasoriginallyconstructedwithatransverseslopeofapproximately 0.85%fromthecrowntobothgutters.Anasphaltwearingcoursewasaddedmanyyearslater withauniformHMAthicknessof0.15Ͳft,thatdidnotincreasethetransverseslope.Theprofile slopeofthedecksurfaceisessentially0%fromoneendofthebridgetotheother.Therefore, surfacewaterdrainagefromthebridgedeckdependsprimarilyuponthetransverseslopefrom thecrowntobothgutters.  AddingHMAthicknessatthecrown,increasesthetransverseslopetothegutters.Thisimproves drainageandreducesthepotentialforsurfacewaterpondingonthebridgedeck.Excessive pondingonabridgedeckcanpotentiallybeahazardforvehicles.  AffectsDBEWork:տYesտNoցN/A(NotFHWAFunded)  Materials:  HMACL.1/2IN.PG58HͲ22  Plans:  Refertodrawingsattachedtothischangeorder.              ChangeOrderNo.____4_____ ContractNo.:CAGͲ22Ͳ062 ContractTitle:BronsonWayBridgeͲSeismicRetrofitandPainting ProjectNo.:TED4004020Page3of3 EquitableAdjustment:ThisChangeOrderincludeschangesasdefinedinSection1Ͳ04.4.Specifically,increasingquantities.PriortotheWork,theCityandContractoragreedtoincreasetheHMAoverlaythicknessfrom1.8Ͳinchesto3.25Ͳinchesatthebridgedeckcrowntoimprovesurfacewaterdrainageoffthestreetsurface.ThischangeorderincludesanequitableadjustmentperSection1Ͳ09.4ofthe2022WSDOT/APWAStandardSpecificationsintheunitprice(s)ofthenewbiditem(s).Theunitprice(s)ofthenewbiditem(s)areasfollows:  x BidItemNo.4Ͳ18,HMACL.1/2IN.PG58HͲ22ADDED,UnitPrice=$528.00perTON  ExtensionofTime:  TheTimeforCompletionisextended0WorkingDays.  Sections1Ͳ04.4and1Ͳ04.5ofthe2022WSDOT/APWAStandardSpecificationsshallgovern thisChangeOrder.TheWorkofthereferencedContractismodifiedtoincludethechanges detailedherein.Thepaymentprovidedforhereinshallconstitutethecompleteandfinal settlementforallcostsoflabor,equipment,materials,overhead,profit,permitfees,andall otherclaimsthatmaybemadebytheContractorasaresultofthischange.  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 4Ͳ18 HMACL.1/2IN.PG58HͲ22ADDED 47 Tons $528.00 $24,816.00 $0.00 $0.00 $24,816.00 Perattacheddetermination Estimate $0.00 $24,816.00 $24,816.00                 EstimatedChangeOrderCost ChangeOrderNo.4 ForceAccountTotal BidItemChangeTotal CalculatedCost EstimatedChangeOrderCost EquitableAdjustment ForceAccount BidItemChange Page1of1          07/$'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)28$4+&)'&'%-18'4.#; ':2#05+10,1+06/1&+(+%#6+106'&,55%#/%#//,5*.2Ä  SCALE: 3" = 1'-0"03"6"9"SCALE: 3" = 1'-0"03"6"9"SCALE: 3" = 1'-0"03"6"9"7/11/20220.27'HMA OVERLAY 0.15' @ EACH CURB, TYP.111CHANGE ORDER NO. 4 - ADD HMA THICKNESS TO BRIDGE DECK CROWN5/19/23