SK180 Chamber Installation Guideline

•Uponarrivaltotheprojectsite,visuallyinspectthechamberstoensureaccuratequantities.Anydamagethatmayhaveoccurredduringtransportshouldalsobenotedatthistime.

•Forefficientshippingandtoalloweaseinhandlingandstorage,thechambersarestackedneatlyuponthemselvesandsecuredtoapallet.Unloadingisbestaccomplishedviaforklift.

•Chambersshouldbestoredinanareathatisflatandfreeofdebris.Toavoidthepotentialfordamage,thisstorageareashouldbeisolatedwellawayfromthetravelingpathsusedforconstructionvehicletraffic.

•Usingtheprojectplansandtheappropriatedetails,excavatethechambersystembedinamannertosufficientlyaccommodatethechambersandmanifolds.Toensureanadequatefit,andtoallowforastoneborder,anadditional12”ofexcavationisrequiredbetweenthetrenchsidewallsandthechambersystem.

• Ifstandingwaterispresent,dewateringmeasuresshouldbeutilized.

• Ifasoft,unstablefoundationisencountered,itshouldbeoverexcavatedandreplacedwithasuitablematerialasdeterminedbytheprojectengineer.

•Uponthepreparedfoundation,placea4oz.nonwovenfabriconthebedbottomandupandalongthesidewalls.Maintaina24”overlapoffabricatallseams.

•Usingtheprojectplansandappropriatedetails,providealevelbaseof¾”-2”cleancrushedangularstoneovertheentiretrenchbedbottom.Foundationstonedepthasindicatedontheprojectplans(minimum9”).See Fig-ure 1.Usingavibratoryroller,compactthestonebasetoachieveaflatlevelsurface.

• Ifspecifiedontheprojectplans,theperimeterunderdrainpipingmaybelaidatthispoint.

FoundationandBeddingPreparation

HandlingandStorage

2

1

Priortoinstallationofthechambersystem,adequateattentiontothefollowingguidelinesisrequired.Inaddition,thechambersupplier,chamberinstaller(sitecontractor)andthedesignengineermaymeetforapre-constructionmeetingtodiscussanyquestionsrelatingtotheinstallationprocess,andtheguidelinesherein.

Fig

ure

1

CHAMBER WIDTH + 24"

3/4" - 2" CLEAN CRUSHED ANGULAR STONE 4oz. GEOTEXTILE WITH 24"

SEAM OVERLAY

9"

EXCAVATE CHAMBERSYSTEM BED

Refer to Table 2formaximumallowableconstructionvehicleloads.

Material Location

[D] Final Fill Material

[C] Initial Fill

[B] Embedment Zone

Fill Depth above chambers

in.36”Compacted

24” Compacted

24” Dumped

18”

12”

6”

Table

2

ConstructionLoading6

Max Axle Loadfor Trucks

lbs.32,000

32,000

24,000

24,000

Not Allowed

Not Allowed

Max Wheel Loadfor Loaders

lbs.16,000

16,000

12,000

12,000

Not Allowed

Not Allowed

TrackWidth

in.12”18”24”30”36”

12”18”24”30”36”

12”18”24”30”36”

12”18”24”30”

12”18”24”30”

Not Allowed

Max GroundPressure

psf34202350185015101310

24801770143012101070

22451625132511351010

2010148012201060

1100715660580

Not Allowed

Max Drum WeightDynamic Force

lbs.38,000

20,000

16,000

5,000

NotAllowed

NotAllowed

Max allowable roller loads

Fill Material Location

[D] Final Backfill -FillmaterialforLayerDstartsatthetopoftheClayertothebottomofthepavementortothefinishedgradeofanunpavedsurface.Thepavementsubbasemaybepartofthefinalbackfill.

[C] Initial Backfill -MaterialforlayerCstartsatthetopoftheembedmentzone(layerB)andcontinuesto24”abovethetopofthechamber.Thepavementsubbasemaybepartoftheinitialbackfilllayer

[B] Embedment Stone -Embedmentstonewillsurroundthechambersandextendsfromthetopofthebeddingstone(layerA)tothebottomofthefabriclayer.

[A] Bedding Stone -BeddingStoneextendsfromthesubgradetothefootofthechambers.

Material Description

Anybackfillwhichprovidesadequatesubgradefortheprojectpertheengineer’splans.Plansshallindicatesubgraderequirements.

Well graded granular material, <35% fines.

3/4” to 2” clean crushed angular stone.

3/4” to 2” clean crushed angular stone.

AASHTO M43Designation

N/A

AASHTO M45A-1, A-2, A-3 OrM433, 357,4, 467,5,56,57, 6,67,68, 7, 78,8,89, 9,10

3,4

3, 4

Compaction Requirements

Subgradewillbeplacedandcompactedtotherequirementsasshownonthesiteplans.

Compactionwillnotbeginuntilaminimumof24”ofmaterialisplacedoverthechambers.Additionallayersshallbecompactedin12”liftstoaminimumof95%standardproctordensityforwellgradedmaterial.

No compaction required

Placed in 9” lifts and compacted with a vibratory roller.

Table

1

Max Allowable Wheels Loads

Max Allowable Track Loads

SK180 Chamber InstallationGuideline

4

•Usingtheprojectplansandappropriatedetails,fullyassemblethemanifoldsystem.

•Toalleviatethepotentialforscourattheinletlocations,laya15’widestripofwovengeotextile,alongtheentirelengthofthemanifoldmainline,adequatelycarpetingthebeddingbeneaththeinletlocations.See Figure 2&3.

•Positionthefirstchamberandendcapofeachrowwiththeinletpipes.Atthedesignatedlocations,coreanopeningintheendcapandinserttheinletpipe.Theinletpipesshouldpenetrate12”intotheendcap.Repeatthisprocessforeachrow.

•Maintainingan8”minimumclearspacebetweeneachrowisrequired.Theassem-blyofeachrowisachievedbyovertoppingthelastriboftheinitialchamberwiththefirstribofthesucceedingchamber.Overlaplocationsarelabeledoneachchamber.Rowassemblyshouldnotexceedthereachofthebackfillplacementequipment.Thefinalchamberofeachrowshallalsobeequippedwithanendcap.

•Endcapsareplacedwiththeendcapoverlappingthetopofthereducedsizejoiningcorrugation.Theendcapshouldbeheldinplacebyscrewsduringbackfilloperations.

ManifoldAssemblyandChamberPlacement3

Fig

ure

3

•Eachchambercrownisequippedwithonecircularcutoutpointtoaccommodatetheverticalinspectionportriser.Usingtheprojectplans,identifywhichchambersshouldbefittedwithinspectionports.Usingareciprocatingsaw,cutoutthe4”diameteropeningattheappropriatelocation.InsertaUni-Teeorequalintotheopening.

•Utilizing4”PVCSch.40pipeandfittingsbuildtheinspectionportasshowninFigure 4.

InspectionPortPlacement4

Fig

ure

4

ASSEMBLY DIRECTION

Fig

ure

2

SCOUR PROTECTION GEOTEXTILE

15'-0" MIN. IN

LET

MAN

IFOL

D

SCOUR PROTECTION - WOVEN GEOTEXTILE

15'-0" MIN. WOVEN GEOTEXTILE2'-0"

MIN.

END CAPINLET MANIFOLD

INSPECTION PORT

SK180 Chamber InstallationGuideline

4" ø PVC or Dual Wall HDPE

4" ø SCHEDULE 40SCREW IN CAP

CONCRETE RING REQUIREDFOR TRAFFIC LOADING

TRAFFIC RATED BOX

24"MIN.

96"MAX

4oz. NONWOVENGEOTEXTILE

STORMKEEPERCHAMBER

3/4" - 2" CLEAN CRUSHEDANGULAR STONE

9"

2

FRATCO TAP TEE OR

EQUIVALENT

•Backfillmaterialusedforembedment/anchoringandforsurroundingareaswillbe¾”-2”particlesize,clean,crushedangularstone.

•Placementofbackfillmaterialforembedmentandsurroundingareasisbestaccomplishedbyusingthelongreachofanexcavatororstoneshooter/conveyorsystem.No construction equipment shall be situated atop of the chamber system.

• Inordertopreventchambershiftingandtomaintainrowspacing,carefullydepositthestoneevenlyalongthecenterlineofthechamber,allowingthestonedepthbetweentherowstoriseequally.Duringthisphase,stoneheightbetweenrowsshouldnotdifferbymorethan12”atanytime.

•Aftertheanchoringphaseiscomplete,stoneplacementmaycontinuetosurroundthechambersandaroundtheperimeter.Stoneshouldcoverthetopofthechambercrowntoaminimumheightof11.5”.

•Smalllightweighttrackeddozerswithgroundpressurelessthan1100lbs/sfmaybeusedatthispointtofinalizethegradingofcoverstone.Stonemustbepushedparalleltorowsatalltimes.Wheel and Roller Loads Not Allowed.

•Covertheentiretopofthestonebedwithalayerof4oz.nonwovenfabric.Overlapallseams24”.Utilizingexcavatorpositionedoffbed,placeinitialbackfill.Begincompactionat24”.Rollertotravelparallelwithrows.Note: See Figure 5 and Table 1

ChamberBackfillProcess5

Figure 5

45" CHAMBER

4oz. NONWOVENGEOTEXTILE ALL AROUND

PAVEMENT PERENGINEER’S DRAWINGS

9" MIN.

45 1/2"

11 1/2" MIN.

24"MIN.

8'MAX

SUITABLE FOUNDATION

BEDDINGA

EMBEDMENT BACKFILLB

INITIAL BACKFILLC

FINAL BACKFILLD

8" MIN. 78" 12" MIN.

TheSK180canstore180cubicfeetperchamber.

SK180 Chamber InstallationGuideline

3

•Usingtheprojectplansandappropriatedetails,fullyassemblethemanifoldsystem.

•Toalleviatethepotentialforscourattheinletlocations,laya15’widestripofwovengeotextile,alongtheentirelengthofthemanifoldmainline,adequatelycarpetingthebeddingbeneaththeinletlocations.See Figure 2&3.

•Positionthefirstchamberandendcapofeachrowwiththeinletpipes.Atthedesignatedlocations,coreanopeningintheendcapandinserttheinletpipe.Theinletpipesshouldpenetrate12”intotheendcap.Repeatthisprocessforeachrow.

•Maintainingan8”minimumclearspacebetweeneachrowisrequired.Theassem-blyofeachrowisachievedbyovertoppingthelastriboftheinitialchamberwiththefirstribofthesucceedingchamber.Overlaplocationsarelabeledoneachchamber.Rowassemblyshouldnotexceedthereachofthebackfillplacementequipment.Thefinalchamberofeachrowshallalsobeequippedwithanendcap.

•Endcapsareplacedwiththeendcapoverlappingthetopofthereducedsizejoiningcorrugation.Theendcapshouldbeheldinplacebyscrewsduringbackfilloperations.

ManifoldAssemblyandChamberPlacement3

Fig

ure

3

•Eachchambercrownisequippedwithonecircularcutoutpointtoaccommodatetheverticalinspectionportriser.Usingtheprojectplans,identifywhichchambersshouldbefittedwithinspectionports.Usingareciprocatingsaw,cutoutthe4”diameteropeningattheappropriatelocation.InsertaUni-Teeorequalintotheopening.

•Utilizing4”PVCSch.40pipeandfittingsbuildtheinspectionportasshowninFigure 4.

InspectionPortPlacement4

Fig

ure

4

ASSEMBLY DIRECTION

Fig

ure

2

SCOUR PROTECTION GEOTEXTILE

15'-0" MIN.

INLE

T M

ANIF

OLD

SCOUR PROTECTION - WOVEN GEOTEXTILE

15'-0" MIN. WOVEN GEOTEXTILE2'-0"

MIN.

END CAPINLET MANIFOLD

INSPECTION PORT

SK180 Chamber InstallationGuideline

4" ø PVC or Dual Wall HDPE

4" ø SCHEDULE 40SCREW IN CAP

CONCRETE RING REQUIREDFOR TRAFFIC LOADING

TRAFFIC RATED BOX

24"MIN.

96"MAX

4oz. NONWOVENGEOTEXTILE

STORMKEEPERCHAMBER

3/4" - 2" CLEAN CRUSHEDANGULAR STONE

9"

2

FRATCO TAP TEE OR

EQUIVALENT

•Backfillmaterialusedforembedment/anchoringandforsurroundingareaswillbe¾”-2”particlesize,clean,crushedangularstone.

•Placementofbackfillmaterialforembedmentandsurroundingareasisbestaccomplishedbyusingthelongreachofanexcavatororstoneshooter/conveyorsystem.No construction equipment shall be situated atop of the chamber system.

• Inordertopreventchambershiftingandtomaintainrowspacing,carefullydepositthestoneevenlyalongthecenterlineofthechamber,allowingthestonedepthbetweentherowstoriseequally.Duringthisphase,stoneheightbetweenrowsshouldnotdifferbymorethan12”atanytime.

•Aftertheanchoringphaseiscomplete,stoneplacementmaycontinuetosurroundthechambersandaroundtheperimeter.Stoneshouldcoverthetopofthechambercrowntoaminimumheightof11.5”.

•Smalllightweighttrackeddozerswithgroundpressurelessthan1100lbs/sfmaybeusedatthispointtofinalizethegradingofcoverstone.Stonemustbepushedparalleltorowsatalltimes.Wheel and Roller Loads Not Allowed.

•Covertheentiretopofthestonebedwithalayerof4oz.nonwovenfabric.Overlapallseams24”.Utilizingexcavatorpositionedoffbed,placeinitialbackfill.Begincompactionat24”.Rollertotravelparallelwithrows.Note: See Figure 5 and Table 1

ChamberBackfillProcess5

Figure 5

45" CHAMBER

4oz. NONWOVENGEOTEXTILE ALL AROUND

PAVEMENT PERENGINEER’S DRAWINGS

9" MIN.

45 1/2"

11 1/2" MIN.

24"MIN.

8'MAX

SUITABLE FOUNDATION

BEDDINGA

EMBEDMENT BACKFILLB

INITIAL BACKFILLC

FINAL BACKFILLD

8" MIN. 78" 12" MIN.

TheSK180canstore180cubicfeetperchamber.

SK180 Chamber InstallationGuideline

3

SK180 Chamber Installation Guideline

•Uponarrivaltotheprojectsite,visuallyinspectthechamberstoensureaccuratequantities.Anydamagethatmayhaveoccurredduringtransportshouldalsobenotedatthistime.

•Forefficientshippingandtoalloweaseinhandlingandstorage,thechambersarestackedneatlyuponthemselvesandsecuredtoapallet.Unloadingisbestaccomplishedviaforklift.

•Chambersshouldbestoredinanareathatisflatandfreeofdebris.Toavoidthepotentialfordamage,thisstorageareashouldbeisolatedwellawayfromthetravelingpathsusedforconstructionvehicletraffic.

•Usingtheprojectplansandtheappropriatedetails,excavatethechambersystembedinamannertosufficientlyaccommodatethechambersandmanifolds.Toensureanadequatefit,andtoallowforastoneborder,anadditional12”ofexcavationisrequiredbetweenthetrenchsidewallsandthechambersystem.

• Ifstandingwaterispresent,dewateringmeasuresshouldbeutilized.

• Ifasoft,unstablefoundationisencountered,itshouldbeoverexcavatedandreplacedwithasuitablematerialasdeterminedbytheprojectengineer.

•Uponthepreparedfoundation,placea4oz.nonwovenfabriconthebedbottomandupandalongthesidewalls.Maintaina24”overlapoffabricatallseams.

•Usingtheprojectplansandappropriatedetails,providealevelbaseof¾”-2”cleancrushedangularstoneovertheentiretrenchbedbottom.Foundationstonedepthasindicatedontheprojectplans(minimum9”).See Fig-ure 1.Usingavibratoryroller,compactthestonebasetoachieveaflatlevelsurface.

• Ifspecifiedontheprojectplans,theperimeterunderdrainpipingmaybelaidatthispoint.

FoundationandBeddingPreparation

HandlingandStorage

2

1

Priortoinstallationofthechambersystem,adequateattentiontothefollowingguidelinesisrequired.Inaddition,thechambersupplier,chamberinstaller(sitecontractor)andthedesignengineermaymeetforapre-constructionmeetingtodiscussanyquestionsrelatingtotheinstallationprocess,andtheguidelinesherein.

Fig

ure

1

CHAMBER WIDTH + 24"

3/4" - 2" CLEAN CRUSHED ANGULAR STONE 4oz. GEOTEXTILE WITH 24"

SEAM OVERLAY

9"

EXCAVATE CHAMBERSYSTEM BED

Refer to Table 2formaximumallowableconstructionvehicleloads.

Material Location

[D] Final Fill Material

[C] Initial Fill

[B] Embedment Zone

Fill Depth above chambers

in.36”Compacted

24” Compacted

24” Dumped

18”

12”

6”

Table

2

ConstructionLoading6

Max Axle Loadfor Trucks

lbs.32,000

32,000

24,000

24,000

Not Allowed

Not Allowed

Max Wheel Loadfor Loaders

lbs.16,000

16,000

12,000

12,000

Not Allowed

Not Allowed

TrackWidth

in.12”18”24”30”36”

12”18”24”30”36”

12”18”24”30”36”

12”18”24”30”

12”18”24”30”

Not Allowed

Max GroundPressure

psf34202350185015101310

24801770143012101070

22451625132511351010

2010148012201060

1100715660580

Not Allowed

Max Drum WeightDynamic Force

lbs.38,000

20,000

16,000

5,000

NotAllowed

NotAllowed

Max allowable roller loads

Fill Material Location

[D] Final Backfill -FillmaterialforLayerDstartsatthetopoftheClayertothebottomofthepavementortothefinishedgradeofanunpavedsurface.Thepavementsubbasemaybepartofthefinalbackfill.

[C] Initial Backfill -MaterialforlayerCstartsatthetopoftheembedmentzone(layerB)andcontinuesto24”abovethetopofthechamber.Thepavementsubbasemaybepartoftheinitialbackfilllayer

[B] Embedment Stone -Embedmentstonewillsurroundthechambersandextendsfromthetopofthebeddingstone(layerA)tothebottomofthefabriclayer.

[A] Bedding Stone -BeddingStoneextendsfromthesubgradetothefootofthechambers.

Material Description

Anybackfillwhichprovidesadequatesubgradefortheprojectpertheengineer’splans.Plansshallindicatesubgraderequirements.

Well graded granular material, <35% fines.

3/4” to 2” clean crushed angular stone.

3/4” to 2” clean crushed angular stone.

AASHTO M43Designation

N/A

AASHTO M45A-1, A-2, A-3 OrM433, 357,4, 467,5,56,57, 6,67,68, 7, 78,8,89, 9,10

3,4

3, 4

Compaction Requirements

Subgradewillbeplacedandcompactedtotherequirementsasshownonthesiteplans.

Compactionwillnotbeginuntilaminimumof24”ofmaterialisplacedoverthechambers.Additionallayersshallbecompactedin12”liftstoaminimumof95%standardproctordensityforwellgradedmaterial.

No compaction required

Placed in 9” lifts and compacted with a vibratory roller.

Table

1

Max Allowable Wheels Loads

Max Allowable Track Loads

SK180 Chamber InstallationGuideline

4