ii!i - ncspa
TRANSCRIPT
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" !JIi!!!!\Ii!I
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TDETENTIONSYSTEMS.
CSPdetentionstructureshave
beenusedpredominantlyto
temporarilystorerunoffand
releaseit atapredeterminedrate.
Largepipesareinstalledunder-
ground,oftenbeneathparking
lots,allowingabovegrounduse
of thesite.Theuseof this land
for otherpurposesresultsin
substantialcostsavings.
DETENTION SYSTEMS
INFILTRATION.Wherethe proper
soilsarepresent,perforatedCSPcan
beusedasaninfiltrationsystem.This
waterqualitypracticeduplicates
undevelopedconditionsbydirecting
GSPSANDFILTERS. Oneof themostpromising
techniquesof providingwaterqualityimprovement
is throughfiltration.Runoffis passedthrougha
filter media,typicallysand,for treatmentpurposes.
Thesesystemsprovidehighpollutantremovaleffi-
cienciesandareparticularlyappropriatefor the
"ultraurban"environment.
runoffbackintotheground.CSPhas
the advantageof minimizingexcava-
VERSATILITYIN FABRICATION.CSPcanbereadily
fabricatedintoelbows,tees,manifolds,inletsandoutlet
controlstructures.Thisflexibilityindesignandsystemlayouttion,ascomparedto aconventional
infiltrationtrench,andalsoallowing
accessintothe system.
cannotbeachievedwith othermaterials.Also,plantfabrica-
tion meansfasterinstallationandlowerjob sitecosts.
INFILTRATION SAND FI TERS STRENGTH D
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STRENGTH.CSPprovidesa
highstrengthcontainmentsys-
temthatcanbeusedfor heavy
loadingandlowcoverconditions.
Thecombinationof steel'sproven
longtermmaterialpropertiesand
fittingsreinforcement(ASTM998)
designcriteriaensuresproduct
performancethroughoutthelife
of thestructure.
DURABILITY
DURABILITY.
Inspectionsperformed
byParsonsBrinkerhoff
andresearchby
CorrproCompanies
confirmsthat CSP
stormwatermanage-
mentsystemsare
performingwell.
Whileconditionsin
mostsystemsare
benign,a broadrange
of CSPcoatingsystems
areavailableto eco-
nomicallymeetany
projectdesignlife.
DESIGNSOFTWARE.
Acomputerprogramis
availablefromNCSPAto
performthedesignof
CSPdetentionstructures.
VERSATILE
SPECIFICATIONS
ASTM
forCSP,PolymerPrecoatedforSewersandDrains
structuralDesignof CSp,Pipe-Arches,andArchesforStormandSanitarySewers
InstallingIeCSPfor Sewersand
OtherApplicationsASTM1\849StandardSpecificationforPost-AppliedCoatings,Pavings,andliningsfor CorrugatedSteelSewerandDrainagePipe
AASHTO
MSHTOM-19IJMStandardSpecificationforBituminousCoatedCorrugatedMetalCulvertPipeandPipeArchesAASHTOM.245MStandardSpecificationforCSp,PolymerPrecoated,for SewersandDrains
InteractionSystems
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