TemplaterevisedJanuary10,2019.

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COMMISSION

AGENDAMEMORANDUM ItemNo. 10b

ACTIONITEM DateofMeeting September24,2024



DATE: September17,2024

TO: StephenP.Metruck,ExecutiveDirector

FROM: EileenFrancisco,DirectorAviationProjectManagement

 LaurelDunphy,DirectorAirportOperations

 KeriStephens,DirectorAviationFacilityandCapitalProgram



SUBJECT: 2026‐2030AirfieldProgram(CIP#C801379)

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Amountofthisrequest: $71,000,000

Totalestimatedprojectcost: $400,000,000

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ACTIONREQUESTED

Request Commission authorization for the Executive Director to (1) advertise and execute a

service agreement for design and engineering services for the airfield capital improvement

program with the combined value not to exceed $28,000,000; (2) authorize design and 

preparation of construction documents for the 2026‐2030 Airfield Program at the Seattle‐

Tacoma International Airport (SEA); (3) procure long lead material items; (4) enter into

agreementswiththeFederalAviationAdministration(FAA)and/orotherpublicagenciesforthe

evaluationofimpacts,protectionand/orrelocationofutilitiesandperformanceofflightchecks;

and(5)approvetheuseofaprojectlaboragreement(PLA)foreachyear’sconstructioncontract.

TheuseofaPLAwillbesubjecttoapprovalbytheFAAforworkreceivingfederalfunding.Total

requestforthisactionis$71,000,000.Thetotalprogramcostisestimatedat$400,000,000.



EXECUTIVESUMMARY

The 2026‐2030 Airfield Program is a continuation of a programmatic approach for airfield

infrastructurerenewalandreplacement,aswellasprojectsneededtokeeptheairfieldwithin

regulatory compliance. The overarching goal of the Program is to provide safe and efficient

conditionsforaircraftoperationsatSEAandmeetFAAandotherregulatoryrequirements.



This program aligns with FAA Airport Capital Improvement Program (ACIP) to utilize available

federalgrants.TobetteralignwithbothFAAgrantschedulesandtoplanandexecutethework

efficiently, Port staff are requesting full 2026‐2030 Pr ogram  design authorization.  Yearly

constructiondesignphasessignificantlyoverlaptheprecedingyear'sconstructioncontracts.Full

COMMISSIONAGENDA–ActionItemNo.10b Page2of9

MeetingDate:September24,2024

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TemplaterevisedJune27,2019(DiversityinContracting).

design authorization allows each year's project to move forward meeting required FAA grant

schedulemilestonesandtodoprogrammaticlevelplanningforairfieldoperationalimpacts.

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ThePortwilladvertiseandselectafirmtoprovidedesignandengineeringservicesfortheairfield

capital program from preliminary design through construction support. The solicitation will

includethescopeofworkalongwithalistofprojectsasidentifiedand/orupdatedintheairfield

capitalimprovementplan.



Certainconstructionmaterialsandequipmentmayhaveleadtime exceedingstandardcontractor

mobilizationtimeframes.Portstaffhavedoneaninitial analysisonitemsthatmightbelonglead,

which could potentially include but is not limited to lighting fixtures, transformers, constant

currentregulators,in‐pavementlightingbasecans,guidancesigns,handholes,utilitypipesand

aircraft‐ratedutility castings.Further analysis will be conducted as design progresses to verify

theneedsofownerfurnished/contractorinstalled(OFCI)items.Earlyprocurementoflonglead

itemswill helpmaintaintheannualconstructionschedule. PortstaffwillreturntoCommission

onayearlybasisforConstructionAuthorization.



JUSTIFICATION

TheAirporthasapproximately21,850,000squarefeetofrunway,taxiway,taxilane,andapron

pavement.TocomplywiththeFederalAviationAdministrationPavementManagementProgram

requirement, the Airport must complete yearly pavement inspections detailing pavement

conditions according to specific FAA criteria. These yearly inspections support FAA project

fundingrequestsandaidinthedevelopmentofprioritizedworkplans.The2021‐2025Airfield

Program has focused on the  apron and taxilanes around the terminal areas. The 2026‐2030

Program will focus on replacements of aging and damaged pavements on the runways,

connecting taxiway system, vehicle service road and cargo areas. Most airfield pavements

includedinthisprogramare40to50yearsoldandhavefarexceededtheir20‐yeardesignservice

lifeandlackingthethicknesstosupporttheweightandgrowingvolumeofthecurrentaircraft

operationsatSEA,thesepavementshavebecomecrackedanddamaged.Asectionofdistressed

pavement located at Cargo 2 is above an active water main owned by Seattle Public Utilities

(SPU). This authorizationwill allow the Port to enter into agreements with SPU related to the

constructionscope.

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A varietyofcapital improvementsare required to replace and amend aging, failing, and over‐

capacity utility systems on the airfield including stormwater, domestic water, power,

communications,andtheindustrialwastewater system(IWS).Thisprogramwillfocusonitems

eitheridentifiedbythe2021UtilityMasterPlan(UMP)orsite verificationswithpoorconditions

orcapacityissuesthatwarrantreplacement.

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Manyairfieldlightingcircuitsareeitherneartheendoforbeyondtheirservicelife.Runwayand

taxiwaysystemisvitaltosafe andefficientoperationsatSEAandarerequiredbytheFAAtohave

functioning lighting system for pilots to follow to ensure safe passage under both regular and 

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low‐visibilityconditions.Thisprogramwillfocusoncircuitswithsignsofdistressandlowmegohm

readingdeemedas“destinedforrapidfailure”accordingtotheFAAAdvisoryCircular.

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There are drainage issues in the infield areas between the runways and taxiways that attract

wildlife to  the Airport Movement Area (AMA). Over 75% of all civil bird‐aircraft strikes occur

within a horizontal distance of 10,000 feet from an airfield. Wildlife strikes are a significant

potentialsafetyhazard atSEAand canresult insignificant costsfromthe damageto aircrafts.

TheFAArequiresairportstotakeimmediatemeasuresandmitigatewildlifehazardswhenever

hazardous conditions exist. This program will  address drainage issues in the infield areas and

install anti‐perching devices on airfield signs to reduce the attraction of wildlife to AMA to

improveairtrafficsafetyatSEA.

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RunwaysatSEAarerequiredtoberenumberedfrom16‐34to17‐35toaccommodatethemove

ofthemagneticpoletoensureFAAregulatorycompliance.Thisprogramwillreplaceallrunway

designation signs and  markings prior to the FAA’s publication date in 2028. Port staff are

coordinating with the FAA on scope, schedule, phasing, impacts, flight checks, and other

emergentitemsassociatedwiththerunwayrenumbering.ThisauthorizationwillallowthePort

andtheFAAtoenterintoagreementsforreimbursementofcostsbybothparties.

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ThereisaRunway16LsafetyareawallbehindacriticalFAANavigationalAids(NAVAIDs)facility

leaningoutofverticalalignmentandposingsafety risks.Thisprogramwillreplacethewallwith

aslopewithclosecoordinationwiththeFAAtorelocatetheirNAVAIDsfacility.



DiversityinContracting

2026‐2030 AirfieldProgram is setto bepartially  funded with FAA grants. Eachyear, Port staff

anticipateestablishingtwoseparateconstructioncontracts:

Contract#1‐encompassingfederallyfundedscope.FAAACIPEntitlementFundingof$40Mis

anticipatedoverthelifeofthisprogram.

Contract#2‐allotherairfieldwork(non‐federallyfundedscope).



Theprojectstaff,incoordinationwiththeDiversityinContractingDepartment,willevaluateand

establish goals for both the service agreement for design and engineering services and

construction contracts. Airfield Contract #1 is federally funded work and will include a

DisadvantagedBusinessEnterprises(DBE)goal.Contract#2andtheserviceagreementarenot

federally funded and as such will include Woman and Minority Business Enterprise (WMBE)

aspirationalgoals.

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MeetingDate:September24,2024

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TemplaterevisedJune27,2019(DiversityinContracting).

DETAILS

The program consists of a variety of interdependent capital improvement scope items. These

scopeitemsareplannedtobedeliveredconcurrentlyforpurposesofAirfieldsafety,efficiency,

andminimizationofoperationalimpacts.Somescopeitemsortheschedulemaychangebased

onthecontinuedagingoftheairfieldinfrastructureandtheneedtoprioritizereplacementsof

failinginfrastructure.

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Theserviceagreementfordesignandengineeringserviceswillbeprogramspecificandthescope

is primarily based upon the five‐year capital program. The selected firm shall provide the

necessaryprofessionalservicesstartingin2025,includingalllabor,equipment,andmaterialsto

successfullyprovideairfielddesign,engineeringandconstructionsupportservicesfortheairfield

capitalprogram.



This program will interface with other projects and airline operations. Continual coordination

with Airport Operations, airlines and related tenants is done to ensure the least possible

operationalimpactduringconstruction.



APLAwillbeusedforprojectsunderthisprogrambasedontheimportanceoflaborcontinuity

andtheneedtominimizeanyriskofimpacttooperationsduringconstruction.



ScopeofWork

(1) ReplacementofdistressedairfieldpavementandjointsealanttoreduceForeignObject

Debris(FOD)hazardsandensureSEAprovidesasafeandoperablepavementsystemfor

aircraft.ThisprogramwillfocusonhighpriorityareaswithlowPavementConditionIndex

(PCI) based on SEA’s Pavement Maintenance Management Program (PMMP). PMMP

tracks pavement condition and is required to receive federal grants to construct,

reconstruct,orrepairairfieldpavement.

(2) Replacement of aging and failing airfield utilities including leaking water lines, over‐

capacitystormdrainagepipe,failingnon‐standardflushfirehydrantaccesshatchesand

anallowanceof$500,000peryearinthebudgetforunidentifiedcriticalutilities.

(3) ReplacementofagingelectricalcircuitswithlowmeggerreadingsandinstallationofLED

lightingfixtures and signs to provide functioning and reliable lightingsystem to ensure

safeaircraftoperations.

(4) Wildlifehazardmanagementtoreducewildlifeattractantsontheairfieldandminimize

safetyrisksofaircraft‐wildlifecollisions.Thisprogramwillremoveturfedgedamsalong

runways,taxiwaysandaccessroads,mitigatepondingspotswithintheairportmovement

areabyregradingandinstallingdrains,andinstallationofanti‐perchingdevices.

(5) Runway renumbering from 16/34 to 17/35 by replacing runway designation signs and

pavementmarkingstoaccommodatethemoveofthe magneticpole andto ensureFAA

regulatorycompliance.Thisscopeneedstobe completedpriortotheFAA’sPublication

DateofOctober26th,2028.

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(6) ReplacementofafailingretainingwalllocatedadjacenttotheRW16Lsafetyareawitha

slopetoprovideaclearareafreeofobstaclesorhazardstominimizetheriskofdamage

toanaircraftintheeventofanoverrun,undershoot,orexcursionfromtherunway.



Schedule

Activity

ConstructionYear 2026 2027 2028 2029 2030

Commissiondesign

authorization

2024Q3

Designstart 2024Q3 2025Q3 2026Q3 2027Q3 2028Q3

Commissionconstruction

authorization

2025Q4 2026Q4 2027Q4 2028Q4 2029Q4

Constructionstart 2026Q1 2027Q1 2028Q1 2029Q1 2030Q1

In‐usedate 2026Q4 2027Q4 2028Q4 2029Q4 2030Q4



CostBreakdown ThisRequest TotalProject

Design $71,000,000 $71,000,000

Construction 0 329,000,000

Total $71,000,000 $400,000,000



ALTERNATIVESANDIMPLICATIONSCONSIDERED

Alternative1–Delaypartsofortheentireprogramto2031orbeyond.

CostImplications:$0‐$400MinCapitalCostfor2026‐2030AirfieldProgram.

Pros:

(1) Reducescapitalspendingin2026‐2030.

(2) Lessconstructionimpactstoairport/airlineoperationsin2026‐2030.

Cons:

(1) NotincompliancewithFAAregulatoryrequirements.

(2) Increasescostinthefutureduetoescalation.

(3) Safetyrisksassociated withwildlifehazards, failedairfieldpavement,utilities, and/or

supportinginfrastructurewillcontinuetoincrease.

(4) Operationalimpactsfromemergencyrepair/replacement.

(5) LossofFAAgrantsallocatedforthisprogram.



Thisisnottherecommendedalternative.

COMMISSIONAGENDA–ActionItemNo.10b Page6of9

MeetingDate:September24,2024



TemplaterevisedJune27,2019(DiversityinContracting).



Alternative2–Delivereachscopeitemwithseparateconstructioncontracts.

CostImplications:$414MinCapitalCostfor2026‐2030.

Pros:

Cons:

(1) Reducesefficienciesduetomultiplecontractsandseparatejurisdictionalcoordination

suchaswiththeFAA.

(2) Additionallaborcostsforcontractoron‐boardingandmobilizations,multiple‐project

rampupandcloseout.

(3) Increasescoordinationrequiredbetweenoverlappingprojects.

(4) Increasesconstructionsafetyriskduetooverlappingworkareas.

(5) Additionalandrecurringimpactstoairfieldoperationsuntilalleffortsarecompleted.



Thisisnottherecommendedalternative.



Alternative3–Moveforwardwithfullscopeproposedinthisprogram.

CostImplications:$400M

Pros:

(1) ProvidessafeandefficientconditionsforaircraftoperationsandmeetFederal

AviationRegulationsandotherregulatoryrequirements.

(2) Reducessafetyrisks,minimizesoperationalimpactsandincreasesefficienciesas

coordinationandconstructionismanagedascombinedconstructioncontracts.

(3) Reducesmaintenancecostsbyinvestinginrenewalofcriticalassets.

(4) EnvironmentalbenefitsforLEDlighting,signsandin‐fieldwork.

(5) InalignmentwithFAA’s5‐yearACIPandreceivegrants.

(6) FullprogramdesignauthorizationsupportsthePort’sProcessImprovementobjectives

byreducingbothtimeanddocumentpreparationforrepeatdesignauthorizations.

Cons:

(1) Largecapitalcostsin2026‐2030.

(2) Operationalimpactsduringconstruction.



Thisistherecommendedalternative.



FINANCIALIMPLICATIONS

CostEstimate/AuthorizationSummary Capital Expense Total

COSTESTIMATE 

Originalestimate $390,000,000 $10,000,000 $400,000,000

AUTHORIZATION 

Previousauthorizations $298,000 $0 $298,000

Currentrequestforauthorization $70,000,000 $1,000,000 $71,000,000

COMMISSIONAGENDA–ActionItemNo.10b Page7of9

MeetingDate:September24,2024



TemplaterevisedJune27,2019(DiversityinContracting).

Totalauthorizations,includingthisrequest $70,298,000 $1,000,000 $71,298,000

Remainingamounttobeauthorized $319,702,000 $9,000,000 $328,702,000



AnnualBudgetStatusandSourceofFunds

C801379‐2026‐2030Airfieldpavementprogramwasnotinthe2024‐2028capitalbudgetand

plan of finance. The capital budget of $390,000,000 was transferred from the Aeronautical

Allowance CIP C800753 resulting in no net change to  the Airport capital budget. This project

C801379replacedanexistingprojectC801302‐AirfieldInfrastructureandSecuritywhichwasin

the 2024 Plan of Finance with a budget amount of $199,500,000. The budget for C801302‐

AirfieldInfrastructureandSecuritywasreturnedtotheAeronauticalAllowanceCIPC800753.

Project C801379‐2026‐2030 Airfield pavement program anticipates approximately $40M in

Federal Aviation Administration (FAA) entitlement funds with the opportunity to receive

additionaldiscretionaryfunds.ThefundingsourceswillbetheAirportDevelopmentFund,FAA

grants,andrevenuebonds.ThisprojectwillrequireAirlineMajority ‐In‐Interestapprovalbefore

constructionbeginsperSignatoryLeaseOperatingAgreement(SLOA)IV.



FinancialAnalysisandSummary

Projectcostforanalysis $400,000,000

BusinessUnit(BU) AirfieldmovementandAirfieldapron

Effectonbusinessperformance

(NOIafterdepreciation)

NOIafterdepreciationwillincreaseduetoinclusionof

capital(andoperating)costsinairlineratebase.

IRR/NPV(ifrelevant) N/A

CPEImpact TotalprojectcostCPEof$1.08in2031;annualCPEof

$0.19



FutureRevenuesandExpenses(Totalcostofownership)

ThisprogramwillreducetheamountoftimecurrentlyspentbythePortMaintenanceteamon

joint seal and pavement spall  repairs. The new pavement will have a 40‐year asset life and a

greatlyreducedriskofloosegravelandrockForeignObjectDebris(“FOD”)thatcouldbepicked

up by vehicle tires or blown by jetengine exhaust and spread across the apron, taxiways and

runways.



The recircuiting scope will cause a decrease in annual operating & maintenance costs. This is

becausetheprojectwill installmoreresilientLEDlightingandsigns,whichiseasiertomaintain

asithasalongerlifethanthecurrentincandescentlightingandsigns.Furthermore,PVCconduit

willbeinstalled,whichmakescablepullingeasier.



ATTACHMENTSTOTHISREQUEST

(1) Presentationslides



COMMISSIONAGENDA–ActionItemNo.10b Page8of9

MeetingDate:September24,2024



TemplaterevisedJune27,2019(DiversityinContracting).

PREVIOUSCOMMISSIONACTIONSORBRIEFINGS

BelowarethepreviousCommissionActionsorBriefingsfor2021‐2025AirfieldProgram:

2021‐2025AirfieldPavementandSupportingInfrastructureReplacementProgram(CIPC800930)

March12,2024‐TheCommissionauthorizedfortheExecutiveDirectorto(1)advertiseand

execute a  construction contract for 2024 Airfield Projects–Contract 2; (2) transfer

budget/authorization,asnecessary,betweenthe2024AirfieldProjects;(3)procurelonglead

items;(4)includeaProjectLaborAgreementforthecontract;and(5)authorizeuseofPort

crewsforabatementwork.Theamountofthisauthorizationrequestis$13,074,500.

October24,2023–The Commissionauthorizedfor theExecutive Directorto(1)advertise 

and execute a construction contract for 2024 Airfield Projects‐Contract 1; (2) transfer

budget/authorization, as necessary, between the 2024 Airfield Projects; (3) transfer

budget/authorizationforGateB11PassengerLoadingBridge(PLB)civilfoundationfromCIP

C801180PLB Phase 3ProjecttoCIPC800930 2021‐2025 Airfield PavementandSupporting

InfrastructureReplacementProgram;(4)procurelongleaditems;(5)includeaProjectLabor

Agreementforthecontract;and(6)authorize useofPortcrewsforabatementwork.2024

Airfield Projects – Contract 1 encompasses federally funded pavement and utility

infrastructure.Theamountofthisauthorizationrequestis$50,500,000.

October 25, 2022 – The Commission authorized the Executive Director to (1) advertise,

execute two separate construction contracts, and transfer budget/authorization, as

necessary,amongthe2023AirfieldProjects;(2)procurelongleaditems;(3)includeaProject

LaborAgreementforbothcontracts;(4)authorizeuseofPortcrewsforabatementwork.The

amountofthisauthorizationrequestis$67,153,000.Thetotalestimatedcostforallprojects

includedinthisauthorizationis$255,945,000.

November16,2021‐TheCommissionauthorizedtheExecutiveDirectorto(1)advertiseand

executeamajorworksconstructioncontractand(2)includeaProjectLaborAgreementfor

the 2022 Airfield Pavement and Supporting Infrastructure Replacement Project, at the

Seattle‐Tacoma International Airport. This authorization is for $24,000,000 with  a  total

authorized to date of $79,195,000 and a previously approved total 2021‐2025 program

budgetof$153,500,000.

August10,2021–TheCommissionauthorizedtheExecutiveDirectortoadvertiseandaward

amajor publicworks contracttoreplace theNorthRunway ProtectionZone Culvert(NRPZ

Culvert), a year 2022 component of the 2021 to 2025 Airfield Pavement and Supporting

InfrastructureReplacementProgram.Thisconstructionauthorizationisfor$3,800,000fora

total program authorization to date of $55,195,000. The total 2021‐2025 program cost is

$153,500,000.

November10,2020–TheCommissionauthorizedtheExecutiveDirectorto(1)advertiseand

executeamajor worksconstructioncontractand(2)includea  projectlaboragreementfor

thereplacementofdistressedpavementsandsupportinginfrastructureforthe2021portion

ofthe2021‐2025AirfieldPavementandSupportingInfrastructureReplacementProgramat

theSeattle‐TacomaInternationalAirport.Thisconstructionauthorizationisfor $37,900,000

COMMISSIONAGENDA–ActionItemNo.10b Page9of9

MeetingDate:September24,2024



TemplaterevisedJune27,2019(DiversityinContracting).

for a total authorization to  date of $51,395,000. The total 2021‐2025 program cost is

$153,500,000.

October 22, 2019 – The Commission authorized the Executive Director to authorize design

and preparation of construction documents for the 2021‐2025 Air field Pavement and

SupportingInfrastructureReplacementProjectsattheSeattle‐TacomaInternationalAirport

in the amount of $16,000,000 and approve the use of a project labor agreement (PLA) for

eachyear’sconstructioncontract.



AirfieldUtilitiesInfrastructure(AUI)(CIPC801177)