Submitreport
to:
CityofLynchburg
525TaylorStreet
Lynchburg,Virginia24501
Attn:StormwaterBMP
4344554250
FILTERINGPRACTICES:O&MCHECKLISTVirginiaStormwaterManagementHandbook,Chapter9C.13.0.
InspectionDate
Project SitePlan/PermitNumber
Location DateBMPPlacedinService
DateofLastInspectionInspector
Owner/Owner’sRepresentative
AsBuiltPlansavailable: Y/N
FacilityType:Level1____________________________Level2
FacilityLo
cation:
Surface
Underground
FiltrationMedia:
Nofiltration(e.g.,drywell,
permeablepavement,infiltration
facility,etc.
Sand
BioretentionSoil
Peat
Other:__________________
HydraulicConfiguration:
Onlinefacility
Offlinefacility
TypeofPreTreatmentFacility:
Sedimentforebay(aboveground)
Sedimenta
tionchamber
Plungepool
Stonediaphragm
Grassfilterstrip
Grasschannel
Other:___________________
An inspection and cleanup should be scheduledannuallytoremovetrashand floatablesthataccumulateinthe
pretreatment cells and filter bed. Frequent sediment cleanouts in the dry and wet s
edimentation chambers are
recommendedevery23yearstomaintainthefunctionandperformanceofthefilter.Ifthefiltertreatsrunofffrom
ahotspot,crewsmayneedtotestthefilterbedmediabeforedisposingofthemediaandtrappedpollutants.Ifthe
filter does not treat runoff from a hotsp
ot, the media can be safely disposed by either land application or land
filling,withoutpriortesting.
Warning: If the filtering facility has a watertight cover; be careful regarding the possibility of flammable gases
withinthefacility.Careshouldbetakenlightingamatchorsmokingwhileinspectingfacilitiesthatarenotvented.
If the filtering facility is in a completely enclosed vault
, the OSHA Confined Space Entry procedures must be
followed.
ElementofBMP PotentialProblem Y/N HowtoFixProblem
WhoWill
Address
Problem
Comments
Contributing
DrainageArea
andSideSlopes
Adequatevegetation Supplementasnecessary Owner
Thereisexcessivetrash
anddebris
Removeimmediately
Owneror
professional
Thereisevidenceof
erosionand/orbareor
exposedsoil
Stabilizeimmediately
Owneror
professional
Thereareexcessive
landscapewasteoryard
clippings
Removeimmediatelyand
recycleorcompost
Owneror
professional
PreTreatment
Thereisadequate
accesstothepre
treatmentfacility
Establishadequateaccess Professional
Excessivetrash,debris,
orsediment.
Removeimmediately
Owneror
professional
Thereisevidenceof
erosionand/or
exposedsoil
Stabilizeimmediately
Owneror
professional
Thereisdead
vegetation.
Replacedeadvegetation
asnecessary
Professional
Perimeterturf(ora
grassfilterstrip)istoo
high.
Mowatleast4timesa
yeartokeepthegrassata
heightof4”to9”.Remove
grassclippingsafter
mowing.
Owneror
professional
Thereisevidenceofoil,
grease,clogging
(standingwater,
noticeableodors,water
stains,algae)
Identifyandeliminatethe
sourceoftheproblem.If
necessary,removeand
cleanorreplacethe
cloggedmaterial.
Professional
Inlets
Theinletprovidesa
stableconveyanceinto
theswale
Stabilizeimmediately,as
needed,andclear
blockages.
Owneror
professional
Thereisexcessivetrash,
debris,orsediment.
Removeimmediately
Owneror
professional
Thereisevidenceof
erosionatoraround
theinlet
Repairerosiondamage
andreseed
Owneror
professional
Sedimentation
Chambers
Sedimentordebris
accumulationsare
excessive
Cleanoutthewetanddry
sedimentationchambers
Professional
FilterMedia
Iffacilitytakeslonger
than48hourstodrain
orfiltermediais
discolored,themediais
probablyclogged
Replacethetopsandlayer
ofanenclosedfilter
(typicallydoneevery5
years).Tilloraeratethe
surfacetoimprove
infiltrationandgrasscover
ofanopenfilter
(also
typicallydoneevery5
years.
OilandGrease
Evidenceoffilter
surfaceclogging
Cleanorreplacefilter
media,asnecessary.
Professional
ElementofBMP PotentialProblem Y/N HowtoFixProblem
WhoWill
Address
Problem
Comments
Underdrain
Theunderdrainisnot
conveyingwateras
designed
Todetermineifthepipeis
clogged,measurethe
drawdownrateofthe
observationwellforthree
daysfollowingastorm
eventinexcessof1/2
inchesindepth..After
threedays,ifthereis
standingwaterontop
but
notintheunderdrain,this
indicatesacloggedsand
layerthatmustbe
replaced.Ifstandingwater
isbothonthesurfaceand
intheunderdrain,thenthe
underdrainisprobably
clogged.Immediatelyclean
outthepipemanuallyor,if
needed,useahigh
pressurehose.Replacethe
underdrainif
itis
structurallydamaged.
Professional
ObservationWell
(every2years)
Istheobservationwell
stillcapped?
Repair,asnecessary. Professional
Outlet
Theoutletprovides
stableconveyance
Removeblockagesand
stabilize,asneeded.
Professional
Evidenceofflow
bypassingfacility
Repairimmediately Professional
Outletsareobstructed
orerosionandsoil
exposureisevident
belowtheoutlet.
Removeobstructionsand
stabilizeerodedor
exposedareas.
Owneror
Professional
Structural
Components
Evidenceofstructural
deterioration
Repairasnecessary Professional
Evidenceofspallingor
crackingofstructural
components
Repairorreplace,as
necessary
Professional
Gratesareingood
condition
Repairorreplace,as
necessary
Owneror
professional
Pump(where
applicable)
Catalogcutsandwiring
diagramforpump
available
Ifmissing,obtain
replacements
Owner
Waterproofconduitsfor
wiringappeartobe
intact
Repairasnecessary Professional
Panelboxiswell
marked
Ifnot,markitcorrectly Professional
Noevidenceofpump
failure(excesswaterin
pumpwell,etc.)
Repairasnecessary Professional
ElementofBMP PotentialProblem Y/N HowtoFixProblem
WhoWill
Address
Problem
Comments
Overall
Accesstothefacilityor
itscomponentsis
adequate.
Establishadequateaccess.
Removewoodyvegetation
anddebristhatmayblock
access.Ensurethat
hardwarecanbeopened
andoperated.
Professional
Conditionofhydraulic
controlcomponents
Repair,asnecessary. Professional
Complaintsfromlocal
residents
Correctrealproblems.
Owneror
professional
Noticeableodors
outsidefacility
Determinesourceand
eliminateit.
Professional
Mosquitoproliferation
Eliminatestagnantpoolsif
feasible,andtreatfor
mosquitoesasneeded.If
spraysareconsidered,
thenamosquitolarvicide,
suchasBacillus
thurendensisorAltoside
formulationscanbe
appliedonlyifabsolutely
necessary.
Owneror
professional
Encroachmentonthe
filteroreasementby
buildingsorother
structures
Informinvolvedproperty
ownersofBMPsstatus;
clearlymarkthe
boundariesofthe
receivingperviousarea,as
needed
Owneror
professional