O&M Maintenance PackageO&M Maintenance PackageO&M Maintenance PackageO&M Maintenance Package

O& kO& k•• O&M Maintenance PackageO&M Maintenance Package1.1. Landscape Maintenance ManualLandscape Maintenance Manual22 NDS/LID Maintenance Manual for ROWNDS/LID Maintenance Manual for ROW2.2. NDS/LID Maintenance Manual for ROW NDS/LID Maintenance Manual for ROW 3.3. Identifiable and detailed levels of serviceIdentifiable and detailed levels of service4.4. Porous Pavement Porous Pavement 55 O&M F ilit Ch kli tO&M F ilit Ch kli t5.5. O&M Facility Checklists O&M Facility Checklists 6.6. Key Performance IndicatorsKey Performance Indicators7.7. O&M Estimating Database ToolO&M Estimating Database Toolgg

•• Life Cycle CostsLife Cycle Costs•• RisksRisks

Homeowners Landscape ManualHomeowners Landscape ManualHomeowners Landscape ManualHomeowners Landscape Manual

•• Landscape Landscape Maintenance ManualMaintenance Manual

•• Maintenance Maintenance personnelpersonnel

ll•• Homeowners living Homeowners living adjacent to systemsadjacent to systems

NDS Manual SectionsNDS Manual SectionsNDS Manual SectionsNDS Manual Sections

•• Inspection/Checklist and Recommended Inspection/Checklist and Recommended Maintenance ActivitiesMaintenance Activities

1.1. Vegetation and LandscapingVegetation and Landscaping2.2. System FunctionalitySystem Functionality33 HardscapeHardscape and Infraand Infra StructureStructure3.3. HardscapeHardscape and Infraand Infra--StructureStructure4.4. Infiltration Failure Infiltration Failure –– Swale Swale PondingPonding5.5. Porous PavementPorous Pavement5.5. Porous PavementPorous Pavement6.6. Recommended Maintenance for Other ElementsRecommended Maintenance for Other Elements7.7. Safety, Mobility, and AccessibilitySafety, Mobility, and Accessibilityy y yy y y

Maintenance ManualMaintenance ManualMaintenance ManualMaintenance Manual

•• SummarySummary–– RoutineRoutine maintenance activitiesmaintenance activitiesRoutineRoutine maintenance activitiesmaintenance activities–– NonNon--routineroutine maintenance activitiesmaintenance activities

Inspection/checklistInspection/checklist–– Inspection/checklistInspection/checklist–– Scheduling and performing maintenance Scheduling and performing maintenance

i i i i h ROWi i i i h ROWactivities in the ROW activities in the ROW –– Images and descriptionsImages and descriptions

Levels of Service (LOS)Levels of Service (LOS)Levels of Service (LOS)Levels of Service (LOS)

•• LOS ALOS A–– Excellent effortExcellent effort

•• LOS BLOS B–– Good effortGood effort

•• LOS CLOS C–– Moderate effortModerate effort

•• LOS DLOS D–– Poor effortPoor effort

Layout and How ToLayout and How ToLayout and How ToLayout and How To•• Select the desired Service Level for maintenanceSelect the desired Service Level for maintenance

Ease of UseEase of UseEase of UseEase of Use

11--Vegetation and Landscape Vegetation and Landscape g pg pMaintenanceMaintenance

•• Inspection/checklistInspection/checklist•• BioBio--retention swales are retention swales are

mostly self sustainingself sustaining•• Maintenance for Maintenance for

f l ff l ffunctionality after functionality after establishment periodestablishment period

Level of Service B – Good Effort

11--Vegetation and Landscape Vegetation and Landscape g pg pMaintenanceMaintenance

•• Inspection/checklistInspection/checklist•• Inspection/checklistInspection/checklist•• Vegetation is mostly healthyVegetation is mostly healthy•• Good appearanceGood appearance

•• Insert photoInsert photo

•• Good appearance Good appearance •• Small quantities of weeds Small quantities of weeds •• Edges are loosely definedEdges are loosely definedEdges are loosely definedEdges are loosely defined•• Grass encroaching on the Grass encroaching on the

swale (or vice versa)swale (or vice versa)

Levels of Service B Levels of Service B -- GoodGood

Levels of Service BLevels of Service B GoodGoodLevels of Service B Levels of Service B -- GoodGood

•• Inspection/checklistInspection/checklist•• Inspection/checklistInspection/checklist•• Plants growing onto the Plants growing onto the

street or sidewalkstreet or sidewalk•• Mulch is present with Mulch is present with

occasional bare spotsoccasional bare spots•• Erosion is likely unlessErosion is likely unless•• Erosion is likely unless Erosion is likely unless

maintenance is improvedmaintenance is improved•• Some shoulder compaction Some shoulder compaction

adjacent to the swaleadjacent to the swaleadjacent to the swaleadjacent to the swale•• Plant palette is mostly Plant palette is mostly

working for the facility working for the facility

Noxious and Nuisance WeedsNoxious and Nuisance WeedsNoxious and Nuisance WeedsNoxious and Nuisance Weeds

•• Special considerations Special considerations need to be identifiedneed to be identified

•• Provide link toProvide link to

Spotted KnapweedSpotted Knapweed

•• Provide link to Provide link to jurisdiction’s web sitejurisdiction’s web site

•• PhotosPhotosPhotosPhotos•• Identification keyIdentification key•• ReportingReportingReporting Reporting

requirements requirements –– if if applicableapplicable

33 Hardscape and InfraHardscape and Infra StructureStructure33--Hardscape and InfraHardscape and Infra--StructureStructure

•• Debris and sediment removalDebris and sediment removal•• Clearing and cleaningClearing and cleaningClearing and cleaning Clearing and cleaning

Inspection LOS DInspection LOS D Poor effortPoor effortInspection LOS D Inspection LOS D -- Poor effortPoor effort

•• Inspection/checklistInspection/checklist•• Inspection/checklistInspection/checklist•• Sediment is significantSediment is significant

I f t t i tlI f t t i tl•• Infrastructure is mostly Infrastructure is mostly inaccessibleinaccessible

•• T ash is p esentT ash is p esent•• Trash is presentTrash is present•• Significant competition Significant competition

between roots and anybetween roots and anybetween roots and any between roots and any pipespipes

Viewlands Cascade

Hardscape and InfraHardscape and Infra--Structure Structure ––ppLong Term MaintenanceLong Term Maintenance

•• Every fifteen yearsEvery fifteen years•• Remove and replace top two inches ofRemove and replace top two inches ofRemove and replace top two inches of Remove and replace top two inches of

sedimentsediment•• Prevent swale cloggingPrevent swale clogging•• Prevent swale cloggingPrevent swale clogging•• Maintains infiltration ratesMaintains infiltration rates

All Levels of ServiceAll Levels of ServiceAll Levels of ServiceAll Levels of Service

•• Stormwater Stormwater sedimentation sedimentation structures are less structures are less than ½ full or in than ½ full or in accordance with accordance with NPDES NPDES requirementsrequirements

44 Infiltration FailureInfiltration Failure44--Infiltration FailureInfiltration Failure

•• Evidence of a cell holding water for more Evidence of a cell holding water for more than 24 hours needs to be reportedthan 24 hours needs to be reported

•• Operations and Maintenance Asset Operations and Maintenance Asset ManagerManagera agea age

•• Monitor swale for ponding waterMonitor swale for ponding water•• Retrofit swaleRetrofit swale•• Retrofit swaleRetrofit swale

Porous PavementPorous PavementPorous PavementPorous Pavement

•• SPU porous pavement specSPU porous pavement spec•• SPU porous pavement specSPU porous pavement spec•• Inspector and installer checklists Inspector and installer checklists •• BMP’sBMP’s•• Levels of servicesLevels of services•• Frequency/scheduleFrequency/schedule•• Standardized infiltration testingStandardized infiltration testing•• Standardized infiltration testing Standardized infiltration testing •• Recommended maintenance activitiesRecommended maintenance activities•• Paper availablePaper available

Porous Pavement Testing ResultsPorous Pavement Testing ResultsPorous Pavement Testing ResultsPorous Pavement Testing Results

Combinations Treatments Pre Cleaning Infiltration

Rate (in/hr)

Post Cleaning Infiltration

Rate (in/hr)

Improved Infiltration

%Rate (in/hr) (in/hr) %

Leaf Blower/Pressure Washer/Street Sweeper 0.75 5.3 85.8

Leaf Blower/Pressure Washer 2.25 41.5 94.6

Pressure Washer/Vacuum 0.75 208.9 99.6

SPU Vactor Truck Pressure Washer/SDOT Pressure Washer

0 16.5 100.0

Performance ChecklistsPerformance ChecklistsPerformance ChecklistsPerformance Checklists

•• Condensed version of manualCondensed version of manual•• Developed for each section of the manualDeveloped for each section of the manualDeveloped for each section of the manualDeveloped for each section of the manual•• Reduce maintenance activities to a Reduce maintenance activities to a

summarysummarysummarysummary•• Eliminate photos Eliminate photos

Id if k f i diId if k f i di•• Identify key performance indicatorsIdentify key performance indicators–– monitoring and reportingmonitoring and reporting

Key Performance Indicators (KPI’s)Key Performance Indicators (KPI’s)Key Performance Indicators (KPI s)Key Performance Indicators (KPI s)

•• Determine LOS achieved for swalesDetermine LOS achieved for swales•• Provides an overall reporting score forProvides an overall reporting score forProvides an overall reporting score for Provides an overall reporting score for

high level managementhigh level management•• Indicators help identifyIndicators help identify•• Indicators help identifyIndicators help identify

–– successessuccesses–– areas of improvementareas of improvement–– failures for each systemfailures for each systemyy

Key Performance Indicators (KPI’s)Key Performance Indicators (KPI’s)Key Performance Indicators (KPI s)Key Performance Indicators (KPI s)

l dl d•• Data includesData includes–– Project locationProject location–– Drainage areaDrainage areaDrainage areaDrainage area–– Maintenance targetMaintenance target–– Reporting of maintenance LOS achieved Reporting of maintenance LOS achieved

•• ProvidesProvides•• ProvidesProvides–– AccountabilityAccountability–– Reporting methodReporting methodp gp g

•• Excellent asset management tool for Excellent asset management tool for management management

Private Property O&MPrivate Property O&MPrivate Property O&MPrivate Property O&M

O&M Estimating Database ToolO&M Estimating Database Tool--ggVegetationVegetation

•• Inputs: Inputs: –– Level of ServiceLevel of Service–– sq footagesq footage–– discount ratediscount rate

bli h ibli h i–– establishment time establishment time –– Life of projectLife of project

replacement frequencyreplacement frequency–– replacement frequencyreplacement frequency

O&M Estimating Database ToolO&M Estimating Database Tool--ggVegetationVegetation•• Output CostsOutput Costs•• Output CostsOutput Costs

–– Mowing for grass lined swalesMowing for grass lined swalesPlant maintenance inspection including litterPlant maintenance inspection including litter–– Plant maintenance inspection including litter Plant maintenance inspection including litter and minor weed removal and minor weed removal

–– WateringWatering–– Watering Watering –– Mulching Mulching above ordinary high water markabove ordinary high water mark

Debris removal/dryDebris removal/dry vactorvactor of sedimentationof sedimentation–– Debris removal/dry Debris removal/dry vactorvactor of sedimentationof sedimentation

–– Replacement cost (15yr)Replacement cost (15yr)•• HardscapeHardscape database developed for LOS Bdatabase developed for LOS B

Vegetation Estimated O&M CostsVegetation Estimated O&M CostsVegetation Estimated O&M CostsVegetation Estimated O&M CostsTotal Present

ValueAnnual

ValueLOS B – 47,290 SQ FT

Value ValueInitial 3 year Landscape Establishmentassuming 0% community participation $177,614 $65,221

Established (starting year 4)0% community participation $562 228 $28 6150% community participation $562,228 $28,61525% community participation $421,671 $21,46150% community participation $281,114 $14,308y p p75% community participation $140,557 $7,15490% community participation $56,223 $2,862

Soil Replacement (every 15yrs) $466,952 $23,527

Estimation Data Base vs. Estimation Data Base vs. Invoiced CostsInvoiced Costs

•• Watering methodsWatering methods•• Watering methodsWatering methods•• Initial Landscape Initial Landscape –– 3 years3 years

–– Estimator: $1 38Estimator: $1 38–– Estimator: $1.38Estimator: $1.38–– SPU cost: $2.47 to $2.89SPU cost: $2.47 to $2.89

•• Established LandscapeEstablished LandscapeEstablished LandscapeEstablished Landscape–– Estimator: $0.61Estimator: $0.61–– SPU cost: $2.44SPU cost: $2.44$$

•• Replacement costsReplacement costs•• Estimator $0.50 per sq. ft.Estimator $0.50 per sq. ft.Estimator $0.50 per sq. ft. Estimator $0.50 per sq. ft.

Life Cycle CostsLife Cycle Costs PinehurstPinehurstLife Cycle Costs Life Cycle Costs -- PinehurstPinehurst

•• Present value of O&M + construction costsPresent value of O&M + construction costs•• LCC for Pinehurst (47,290 ftLCC for Pinehurst (47,290 ft22))

$1 2M $5 2M $6 4M$1 2M $5 2M $6 4M–– $1.2M+ $5.2M = $6.4M$1.2M+ $5.2M = $6.4M•• Initial estimatesInitial estimates

–– $4 8 million construction cost$4 8 million construction cost–– $4.8 million construction cost$4.8 million construction cost•• Comparable project to retrofit $8.9 million Comparable project to retrofit $8.9 million •• Total project cost 453K for 660 ftTotal project cost 453K for 660 ft blkblkTotal project cost 453K for 660 ft Total project cost 453K for 660 ft blkblk

–– Includes all design, project management, const. costIncludes all design, project management, const. cost•• Present value of O&M costs compared to Present value of O&M costs compared to pp

traditional systems is significantly lesstraditional systems is significantly less

RisksRisks

Questions?

Q ti ?Questions?

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