Macomb County Public Works 2023 Fall Report

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Macomb County Public Works 2023 Fall Report

CANDICE S. MILLER

MACOMB COUNTY PUBLIC WORKS COMMISSIONER IN THIS ISSUE: Reducing Combined Sewage Overflows, Award Winning Projects, NO MORE SINKHOLES, Sewer Collapse Prevented, Lake St. Clair Lyngbya 'muck' Study Underway, and more...

Pictured:LakeSt.Clair

Our Mission

Quality of Life Critical Component of Economic Prosperity

TheMCPWOadministers474countydrainsthatpreventfloodinginourcommunities. Someofthesedrainsareopenstreamsorcreeks,whileothersaremassive undergroundstructuresthatcarrystormwaterawayfromneighborhoodsand businesses.Givenourresponsibilityforthesewaterways,weareactivelyengagedin numerousinitiativestoenhancetheoverallwaterqualityinourlakesandrivers, mostnotablytheClintonRiverandLakeSt.Clair.Inaddition,weoperate68milesof sanitarysewerlineswhichtransportwastefrommorethan800,000residentsand businessestotheGreatLakesWaterAuthority(GLWA)WaterResourceRecovery Facility(WRRF)forpropertreatment. Improve Water Quality

TheMacombCountyPublicWorksOfficehasthreegoals: improvewaterquality,improvethequalityoflifeforourresidents,andserveasa criticalcomponentofeconomicprosperityinourcommunity.

Pictured:ClintonRiverSpillway

DearNeighbors,

COMMISSIONER'S MESSAGE

TheMacombCountyPublicWorksOfficecontinuestomakehugeprogressinseveralwaysincluding: inspectingandmaintainingourvitalundergroundinfrastructure;removingdeadtrees,overgrown vegetationandsedimentbuildupinouropenchannelstoimprovestormwaterflowtoreducetheriskof flooding;andreviewingplansfromlanddeveloperstoensureproperdrainageontheirsites.

SincetakingofficeinJanuary2017,Ihavebeencommittedtotransparency.Muchofthecriticalwork weperformliterallyoccursfarbelowthesurface,outofviewfrompassersby.We’recommittedto opennessofnotonlyhowmuchwespend,buthowwespendit.

Thedepartmenthascomesuchalongwayinsevenyears.Inmanyways,wewerelikeastart-up company–takingonchallengesoldandnew,forthegoodofthemanypeoplewholive,workandplay inMacombCounty.Wehaveatremendousteaminplace–adedicatedmanagementteamandstaff, whoworkverywelltogether.

Asyouwillseeinthisreport,everythingwedoiswithaneyeonourdepartment’smission:Improving waterqualitywhichequalsqualityoflifeanddoingwhatwecanasstormwatermanagerstofoster economicprosperity.

Frommajorconstructionprojectstosewerinspections,fromclearinglogjamstoreviewingland developmentengineeringplans,theMacombCountyPublicWorksOfficeisworkinghardinavarietyof waystoimproveourundergroundinfrastructureanddrains.

OurvariousprojectsareproofthatMacombCountyisaleaderinnotonlyidentifyingunderground infrastructureneedsbuthavingthepoliticalwilltomakethemajorinvestments.Ofcourse,oneof department’stopgoals–andoneoftheprimaryreasonsIranforthisjob--continuestobereducing combinedsewerinflowsintoLakeSt.Clair.Wecontinuetomakemajorstrides.Eventhoughmuchof theworkwedoisbelowgroundandout-of-sighttopassersby,I’mconfidentthatintheyearsahead, futureleadersacrossthestateandtheregionwillpointtoMacombCountyasashiningexampleof howtodothingsrightforfuturegenerations.

FormoreinformationaboutthePublicWorksOffice,visitusatpublicworks.macombgov.org,subscribe tooure-newsletterandfollowusonsocialmedia.

Sincerely,

Commissioner Candice S. Miller receives “Local Elected Official” award

TheMichiganRecreation&ParkAssociationhas honoredMacombCountyPublicWorks CommissionerCandiceS.Millerwithits“Local ElectedOfficialAward”forheryearsofeffortsto improvethequalityoflifeforMichiganresidents throughpromotionofparksandrecreation.

“ThiswasanunexpectedhonorandI’mvery grateful,”Millersaid.“Throughoutmycareerin publicservice,I’vealwaystriedtothinkabout qualityoflife,andhowwecanimprovethe qualityoflifeforeveryone.EventhoughImight betheonegettingtheaward,membersofthe associationdeserveawardsforallthethings theydoforthequalityoflifeforourfolks throughoutMichiganeachandeveryday.”

MillerwasnominatedfortheLocalElected OfficialAwardbyAmyMcMillan,directorofthe Huron-ClintonMetroparks,alongwiththeDetroit ZoologicalSocietyandtheSixRiversLand Conservancy.

Odor Control & Corrosion Prevention

Wheninspectionsrevealmoderate,significantorsevere degradationoftheinteriorsideoflargesanitarysewer concretepipes,aplanisdevelopedforpreventive maintenance,rehabilitationorreplacement.

TheMacombCountyPublicWorksOfficehasfourongoing projects–knownand“Odor&CorrosionControlFacilities”–tomitigatethesewergasthatishighlycorrosivetothe concrete.

Thesenewbelow-groundstructureswilldrawinthegas (hydrogensulfide)that’screatedbyturbulenceofsanitary sewageflowandfilterit.Thiswillreduceneighborhoododors emittedfromtheinterceptorsandprotectthoselargepipes fromfurthercorrosion.

“Wefindit,wefixitANDwepreventitfromhappeningagain,” PublicWorksCommissionerCandiceS.Millersaid.

MCPWO wins American Public Works Association Award for Emergency Repair in Warren

TheMacombCountyPublicWorksOffice receivedanawardfromtheMichiganChapter oftheAmericanPublicWorksAssociationfor theemergencyrepairofalarge,rottedsewer pipefromtheearly1960sthathadcauseda sinkholealong10MileRoadinWarrenandjust afewfeetfromahome.

Therepairofthesinkholeandthespraylining ofanearly30-footstretchoftheenclosed sectionoftheBearCreekDrain,westofMound Road,wasnamedbytheAPWAasits“Project oftheYear/EmergencyResponseLessThan$1 Million.”

It’sthefirsttimeinMichiganthataspraylining methodwasusedoncorrugatedmetalpipe torehabilitateasewer.Thecompletedwork provideslong-termprotectionofthesewer withoutthealternativeexpensivemethodof excavationtoremovetherottedmetalpipe andreplaceitwithnewconcretepipe.

“We’rehonoredtoreceivethisaward,and we’reverypleasedthatthroughswiftaction featuringfirst-of-its-kindmetalpipe rehabilitationinMichiganthatwewereable toavertthepotentialcollapseof10Mile,” saidPublicWorksCommissionerCandiceS. Miller.“InMacombCounty,we’recommitted toinspecting,maintainingand,where necessary,rehabilitatingourdrains.”

Lake St. Clair Lyngbya 'muck' Study Underway

MacombCountyhaspartneredwiththefederal governmenttogettotherootofthemuckproblem plaguingpocketsoftheLakeSt.Clairshoreline.

ResearchbiologistswiththeU.S.ArmyCorpsof Engineers(USACE)andCountyofficialshavebegun samplingoftheLyngbyaalgaetodeterminehowit growsinthelake,beforebreakingawaytoformdense, free-floatingmatsthatclingtotheshoreline,canals, boatwellsandsomebeachareas,andwhetherthe muckposesanyhealthrisks.

“Weneedtounderstandwhatiscausingit,whatits makeupis,andwhethertherearepreventativeor maintenancestepsavailabletoeradicateit,”Macomb CountyPublicWorksCommissionerCandiceS.Miller said.

TheMacombCountyPublicWorksOfficereachedoutto USACElastyeartoproposethatfederalofficials considerthePlanningAssistancetoStatesgrant programtofundastudy.Eachyearofthe2-yearstudy willcostanestimated$200,000andwillbesplit betweentheUSACEandMacombCounty.

In-System Storage Project will reduce Combined Sewer Overflows (CSOs)

ConstructioncontinuesnearI-94and9Mile Roadatamajorundergroundprojectthatwill useexistinginfrastructuretoreducecombined seweroverflows(CSOs)intoLakeSt.Clair.

Monthsofexcavationtoadepthof approximately35feethasnowexposedthe11foot-diameterinterceptorsewerthatconveys combinedsanitarysewage,stormwaterand snowmeltfromallofEastpointeandmostofSt. ClairShores.

Aspartofthe“In-SystemStorage”project,a largerubberdamwillbeinstalledinsidethe pipe.Duringheavyrain,ourengineersand pumpstationoperatorswillinflatetherubber deviceforittotemporarilyholdback–or

“store”–theflowwithinthepipeinsteadof muchofitbeingdischargedintoLakeSt.Clair. Whentheraineventsubsides,therubber bladdercanbeslowlydeflatedandallow thecombinedsewerflowtocontinue downstreamtotheGreatLakesWaterAuthority wastewatertreatmentplantinDetroitforfull treatment.

“Thisissuchanimportantandinnovative projectthatwillhelpusreducetheriskof floodinginthetwocitiesandprotectour beautifulLakeSt.ClairfromCSOs,”Macomb CountyPublicWorksCommissionerCandiceS. Millersaid.“Theadditionalgreatthingisthatthe projectwillbecompletedwithnoincreaseto rate-payersduetothereceiptofcountyfunds.”

The inflatable dam will provide 3.5 million gallons of additional storage within the system thereby reducing CSOs.

NO MORE SINKHOLES Sewercollapse preventedin

Macomb Township

AninnovativerepairofamajorsanitarysewerservingMacombandShelbytownshipshas preventedthecollapseoftheseverelydeterioratedconcretepipeandavertedasinkhole.

Theinstallationmethodandproductknownas“spiralwoundpipe”nowprotectivelylinesthe interiorofa755-footsectionoftheGarfieldInterceptorSewerbeneathGarfieldRoadat21Mile RoadinMacombTownship.Thesewerrehabilitationwasnecessarybecauseaninspectionof the7-foot-diametersewerin2022discoveredseveredegradationoftheconcretepipe,caused bycorrosivehydrogensulfidegasthatiscreatedbyturbulenceofrawsewage.

“I’mnotexaggeratingwhenIsaythatwiththeconditionofthisinterceptorat21Mileand Garfield,ifweweren’ttakingthesesteps,wecouldhaveasinkholethere,”saidMiller,“andyou canimaginewhatthatwoulddototrafficiftherewasasinkhole.”

Thespiralwoundmethodrequireslessconstructionspaceonthesurfacethansomeother sewerrehabilitationmethods.TheinterlockingPVCstrip–measuringapproximately3inchesin width--isfedfromitsspoolanddownamanholetoreachtheinterioroftheinterceptor,where workersguideitbyhandintoauniquetoolwhichresemblesabicyclesprocketandpressesit upagainsttheinteriorwallofthepipeasthedeviceturnsandlocksitinplace.

It’sthefirsttimethatspiralwoundPVChasbeenusedinMichigantorehabilitateasewer.The productisexpectedtolastmorethan50years.

SEWER COLLAPSE PREVENTED

21Mile&GarfieldRoad

InterceptorBefore

Two Major Sewer Rehabilitation Projects nearing completion on 15 Mile Road

Workisprogressingontwolarge,vital projectstoensurewedon’thaveanother majorsewercollapseandsinkhole.

On15MileRoad,westofSchoenherrRoadin SterlingHeights-Segment5,thenewpump stationbeingbuiltinsidea70-foot-deep shafttohelpconveysanitarysewageinthe MacombInterceptorDrainthatservesnearly 600,000residentsfrom11communitiesin MacombCountyisnearingcompletion. Imperviouslininghasbeeninstalledinthe widestsectionoftheinterceptoralong15 Mile.Furthereast,theapplicationofa geopolymer/cementsprayontheinteriorof thepipeinprogress.Bothmeasureswill protecttheconcretepipe–whichhadbeen severelydegradedbyapproximately40 yearsofexposuretohighlycorrosivesewer gas–formanydecades.

Asimilarprojectiscontinuingafewmiles furthereast,at15MileandGarfieldRoadnamedSegment6.

“Wecan’temphasizeenoughthecritical importanceoftheseproject.Werealizeit’s takenquiteawhile,butthisisintensive, criticallyneededinfrastructureworkto preventpotentialinfrastructureand environmentaldisasters,”MacombCounty PublicWorksCommissionerCandiceS. Millersaid.“Weappreciatethepatience andunderstandingfromresidents, businessesandmotoristsinthoseareas.”

Bothprojectsarebeingdonewithstate fundingwithnoincreasetorate-payers.

Settingupdewateringpump inSegment5

Movingpumpcomponentin placeinSegment5

"We remain committed to inspections, maintenance and sewer

rehabilitation where necessary."

-Commissioner

Torchcuttingflumeofpipe downstreaminSegment5

SettinglastHOBASpipein placeinSegment6

DRAIN MAINTENANCE REDUCES RISK OF FLOODING

Ofthe474drainsinMacombCountythatareunderthejurisdictionofthePublicWorksOffice, 401milesareopenchannels.

TheMacombCountyPublicWorksOfficeisincreasingthemaintenanceinourcountydrainsat anunprecedentedrate.Thatworkinvolvesremovingfallendeadtrees,overgrownvegetation andsedimentthatcanseverelyimpactwaterqualityandleadtoflooding.Removingthose obstructionscaninstantlyimprovetheflowandreducethethreatoffloodinginresidential, commercial,industrialandagricultureareastraversedbytheseopendrains.

“Withhundredsofdrains,manyofwhichhaven’tbeentouchedfor50yearsormore,thissortof workisendless.Ourhard-workingdrainmaintenanceteamisdoingatremendousjob,”Public WorksCommissionerCandiceS.Millersaid.

Alocalcommunitydrainmaintenancecost-sharingprogramwasstartedbyCommissioner Miller.Ithasbeensuccessfulinlargepartbecauseofanannualbudgetallocationbythe MacombCountyBoardofCommissionersandcostsmatchedbyanymunicipalitythatwantsto addressblockagesinkeylocations.

Pictured:DenryterDraininMacombTownship

DRAIN

BEFORE & AFTER

FISHCREEKDRAINBLOCKAGEREMOVAL-CHESTERFIELD

CLINTONRIVERMIDDLEBRANCHBLOCKAGECLEARED-MACOMB WE FIND 'EM WE FIX 'EM

Promoting Economic Prosperity

TheMacombCountyPublicWorksOfficereviews theengineeringplansforallnewdevelopmentsto ensureproperstormwaterdrainage.

Ourengineeringteamdetermineswhethernew basins,sewerpipes,culverts,tapstoexistingdrains andrelocationsofdrainsthatareunderthe jurisdictionofouroffice,meetourstandards.Once constructiongetsunderway,ourinspectors monitorthoseimprovement.Assuch,ourofficeisa keycomponentofeconomicprosperity.

Onerecentexample:theKingsburyDraininShelby Township.Improvementsconsistedofconstructing aforebayforwaterqualityandretrofittingthe existingcontrolstructureforchannelprotection.

“Ensuringthatrainfallrunoffandsnowmeltare handledproperlybeforeanybuildingsare constructedwillreducetheriskofsevereflooding,” countyPublicWorksCommissionerCandiceS. Millersaid.

LIVE24/7:

MacombCountyPublicWorks

Permit&PlanReviewPortal

Requestadrainpermitorsoilerosion permit

SubmitplansforreviewbyPublicWorks staffandscheduleaninspection Seecommentsbyengineersand inspectorsinrealtime

Paythepermitfeeonlineusingacredit card

Downloadthepermitonceit’sapproved

TrackingRainfall:HowMuch RainDidYOUGet?

MacombCountyresidentscanviewhow muchraintheirneighborhoodorother partsofthecountyhavereceivedby viewingraingaugesdataontheMacomb CountyPublicWorkswebsite.The informationcanhelphomeowners determinehowmuchraintheirlawnsand gardenshavereceived.Theinformation helpsourpumpstationoperatorsprioritize stormwaterstorageinoursewersystems.

If

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