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Home My WebLink AboutChange Order - 10Kyle Smith 10/30/23 CAG-22-062, CO #10-23 Approved by Cheryl Beyer via 10/24/2023 email ChangeOrderNo.____10_____ ContractNo.:CAGͲ22Ͳ062 ContractTitle:BronsonWayBridgeͲSeismicRetrofitandPainting ProjectNo.:TED4004020Page2of5 THECONTRACTISMODIFIEDASFOLLOWS: DescriptionofChange: x Addthefollowingbiditem(s)tothecontract: o BidItemNo.10Ͳ52,SEALACHORHOLESINMAINGIRDERS, Quantity=1L.S.,UnitPrice=$375.00perL.S. x ModifyDrawingNo.10,BearingReplacementNotesandShearBlockDetails,asshowninthe revisedplanattachedtothischangeorder. x AddSpecialProvision6Ͳ07.3(10)Rasfollows: 6Ͳ07.3(10)RCleanandSealAnchorHolesAfterRemovalofBearings (******) Section6Ͳ07.3(10)Risanaddednewsection: CleaningandFieldCoatingRepairs Priortoinstallationofnewelastomericpadsandassociatedsteelkeeperplates,clean areasofsteelmaingirdersexposedafterremovalofexistingbearings(rockerandfixed) perSSPCͲSP2,HandToolCleaning.Repairpaintinareasofsteelmaingirdersthatdidnot receivenewpaintand/orwithdamagetonewpaintfromtheremovalofexistingbearings perspec.section6Ͳ07.3(10)P. SealingAnchorHoles Aftercompletionofcleaningandfieldcoatingrepairs,theanchorholesshallbesealedby fillingthevoidspacetothetopofthebottomflangesurfacewithasingleͲcomponent polyurethanesealantmeetingtherequirementsofASTMC920,TypeS,GradeNS,Class 25orhigherperspec.section9Ͳ08.7.Foambackerrodmeetingtherequirementsofspec. section9Ͳ08.8maybeusedtofillthelowerportionofthevoidspaceaslongasthe resultantsealantthickness,measuredfromthetopofthebottomflange,meetsthe minimumrequirementsofsealantmanufacturer.Thesealantshallformacontinuous barrieracrossthetopofeachanchorholetopreventwaterintrusion. x AddSpecialProvision6Ͳ07.4Measurementasfollows: 6Ͳ07.4Measurement (******) Section6Ͳ07.4issupplementedwiththefollowing: ChangeOrderNo.____10_____ ContractNo.:CAGͲ22Ͳ062 ContractTitle:BronsonWayBridgeͲSeismicRetrofitandPainting ProjectNo.:TED4004020Page3of5 Sealanchorholesinmaingirderscontainstheapproximatequantities: LocationDescriptionNo.ofAnchor Holes Approx.Total Volume(fl.Oz.) Span2,UpstreamGirder,Pier2End42.21 Span2,UpstreamGirder,Pier3End42.21 Span2,DownstreamGirder,Pier2End42.21 Span2,DownstreamGirder,Pier3End42.21 Total=169(rounded) Noadjustmentsotherthanforacceptedchangeswillbemadeinthelumpsum Contractpricefor“SealAnchorHolesInMainGirders”eventhoughtheactual quantitiesrequiredmaydeviatefromthoselisted. x AddSpecialProvision6Ͳ07.5Paymentasfollows: 6Ͳ07.5Payment (******) Section6Ͳ07.5issupplementedwiththefollowing: “SealAnchorHolesInMainGirders”,perL.S. “SealAnchorHolesInMainGirders”willbepaidfullpaymentforprovidingalllabor, equipmentandmaterialsrequiredtocleanandsealanchorholesremaininginbottom flangesofsteelmaingirdersafterremovalofexistingbearings(rockerandfixed)per Section6Ͳ07.3(10)R.Paymentfor“SealAnchorHolesInMainGirders”willbemade onthefollowingbasis: x Paymentwillbe100%ofthelumpsumpriceuponcompletionoftheworktoclean andsealanchorholesinmaingirdersperSection6Ͳ07.3(10)R. ChangeOrderNo.____10_____ ContractNo.:CAGͲ22Ͳ062 ContractTitle:BronsonWayBridgeͲSeismicRetrofitandPainting ProjectNo.:TED4004020Page4of5 ReasonforChange: ThisChangeOrderdoesnotincludeasignificantchangeasdefinedinSection1Ͳ04.4sincethe characteroftheWorkdoesnotdiffermateriallyinkindornaturefromthatinvolvedorincluded intheoriginalproposedconstruction.Specifically,cleaning,sealingandpaintingexistingsteel structuralmembersandcomponentsofthebridgetopreventcorrosion. Theoriginalcontractprescribesfortheremovalofexistingrockerandfixedbearingsand installationofnewelastomericpadsandsteelkeeperplates.Thesteelkeeperplatestransferthe deadandliveloadsfromthesteelmaingirderstotheelastomericpads.Theoriginalcontractdid notaddresstheanchorholesremaininginthebottomflangesofthesteelmaingirdersafter removaloftherockerandfixedbearings.Despitethebesteffortsofthisprojecttodirectsurface waterrunofffromthebridgedecktothebridgedrains,theconfigurationofthebridgeissuch thatsurfacewaterrunoffandassociatedgritfromthebridgedeckwillcontinuetocollectinthe bearingareasofthemaingirders.Sealingtheanchorholespreventswaterandgritfrom collectingintheseholesandcausingcorrosioninthebottomflangesofthesteelmaingirders. AffectsDBEWork:տYesտNoցN/A(NotFHWAFunded) Materials: SingleComponentPolyurethaneSealant,Spec.Section9Ͳ08.7 Plans: Refertodrawingsattachedtothischangeorder. EquitableAdjustment: ThisChangeOrderincludeschangesasdefinedinSection1Ͳ04.4.Specifically,altering specifications,designsorboth.ThischangeorderincludesanequitableadjustmentperSection 1Ͳ09.4ofthe2022WSDOT/APWAStandardSpecificationsintheunitprice(s)ofthenewbid item(s).Theunitprice(s)ofthenewbiditem(s)areasfollows: x BidItemNo.10Ͳ52,SEALANCHORHOLESINMAINGIRDERS,UnitPrice=$375.00perL.S. ExtensionofTime: TheTimeforCompletionisextended0WorkingDays. ChangeOrderNo.____10_____ ContractNo.:CAGͲ22Ͳ062 ContractTitle:BronsonWayBridgeͲSeismicRetrofitandPainting ProjectNo.:TED4004020Page5of5 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.:CAGͲ22Ͳ062 BidItemNo. Description Quantity Unit UnitPrice EstimatedCost Itemdescription Labor Hours $0.00 LaborMarkup 31%$0.00 EquipmentHours $0.00 EquipmentMarkup 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 10Ͳ52 SEALANCHORHOLESINMAINGIRDERS 1 L.S. $375.00 $375.00 $375.00 Perattacheddetermination Estimate $0.00 $375.00 $375.00 EstimatedChangeOrderCost EquitableAdjustment ForceAccount BidItemChange EstimatedChangeOrderCost ChangeOrderNo.10 ForceAccountTotal BidItemChangeTotal CalculatedCost Page1of1 07/$'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#;$4+&)'Ä5'+5/+%4'641(+6#0&2#+06+0)28152177621641/4TYP.$'#4+0)4'2.#%'/'066'&,55%#/%#//,5*.2Ä SCALE: 1" = 1'-0"06"1' 2'SCALE: 1 1/2" = 1'-0"0 6" 12" 18"SCALE: 1" = 1'-0"06"1' 2'SCALE: 1" = 1'-0"06"1' 2'SCALE: 1 1/2" = 1'-0"0 6" 12" 18"332881/47/11/202211CHANGE ORDER NO. 3 - INCREASE NO. OF BRIDGE CLOSURE DAYS ALLOWED 3/06/232CHANGE ORDER NO. 10 - SEAL ANCHOR HOLES IN MAIN GIRDERS AT BEARINGS 7/10/231'-6"3"5"8"5"C EXISTING 1Я" DIA. ANCHOR HOLES IN MAIN GIRDER BOTTOM FLANGE. SEE NOTE 11. 22EXISTING 1Я" DIA. ANCHOR HOLES REMAINING IN BOTTOM FLANGES OF STEEL MAIN GIRDERS AFTER REMOVAL OF ROCKER AND FIXED BEARINGS SHALL BE CLEANED AND SEALED PER SPEC. SECTION 6-07.3(10)R WITH SINGLE-COMPONENT POLYURETHANE SEALANT MEETING THE REQUIREMENTS OF ASTM C920, TYPE S, GRADE NS, CLASS 25 OR HIGHER PER SPEC. SECTION 9-08.7. THIS WORK SHALL BE MEASURED AND PAID FOR AS "SEAL ANCHOR HOLES IN MAIN GIRDERS" PER SPEC. SECTIONS 6-07.4 AND 6-07.5. 11.2C EXISTING 1Я" DIA. ANCHOR HOLES IN MAIN GIRDER BOTTOM FLANGE. SEE NOTE 11. LL