SK75 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(6”minimum).See Figure 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. NONWOVEN GEOTEXTILE

WITH 24" SEAM OVERLAY

6"

EXCAVATE CHAMBERSYSTEM BED

ConstructionLoading6

Fill Material Location

[D] Final Backfill -FillmaterialforLayerDstartsatthetopoftheClayertothebottomofthepavementortothefinishedgradeofanunpavedsurface.Thepavementsubbasemaybepartofthefinalbackfill.

[C] Initial Backfill -MaterialforlayerCstartsatthetopoftheembed-mentzone(layerB)andcontinuesto18”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-3OrM433, 357,4,467,5,56,57, 6,67,68, 7, 78,8,89, 9,10

3,357,4,467,5,56,57

3,357,4,467,5, 56,57

Compaction Requirements

Subgradewillbeplacedandcompactedtotherequirementsasshownonthesiteplans.

Compactionwillnotbeginuntilaminimumof12”ofmaterialisplacedoverthechambers.Additionallayersshallbecompactedin6”Iiftstoaminimumof95%standardproctordensityforwellgradedmaterial.Rollergrossvehiclesarenottoexceed12,000lbs.anddynamicforcenottoexceed20,000lbs.

No compaction required

Placed in 6” lifts and compacted with a vibratory roller.

Table

1

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

Max Axle Loadfor Trucks

lbs.32,000

32,000

32,000

32,000

16,000

8,000

Max Wheel Loadfor Loaders

lbs.16,000

16,000

16,000

16,000

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”36”

12”18”24”30”36”

12”18”24”30”36”

Max GroundPressure

psf34202350185015101310

24801770143012101070

22451625132511351010

2010148012201060950

154011901010910840

1070900800760720

Max Drum WeightDynamic Force

lbs.38,000

20,000

20,000Grossweightofrollernottoexceed12,000lbs.

20,000Grossweightofrollernottoexceed12,000lbs.

20,000Grossweightofrollernottoexceed12,000lbs.

NotAllowed

Max allowable roller loads

Max Allowable Wheels Loads

Max Allowable Track Loads

Refer to Table 2formaximumallowableconstructionvehicleloads.

SK75 Chamber InstallationGuideline

4

SK75 Chamber InstallationGuideline

•Usingtheprojectplansandappropriatedetails,fullyassemblethemanifoldsystem.

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

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

• Maintaininga6”minimumclearspacebetweeneachrowisrequired.Theassemblyofeachrowisachievedbyovertoppingthelastriboftheinitialchamberwiththefirstribofthesucceedingchamber.Overlaplocationsarelabeledoneachchamber.Rowassemblyshouldnotexceedthereachofthebackfillplacementequipment.Thefinalchamberofeachrowshallalsobeequippedwithanendcap.

•Endcapsareplacedwiththeendcapoverlappingthetopofthereducedsizejoiningcorrugation.Theendcapshouldbeheldinplacebyscrewsduringbackfilloperations.

ManifoldAssemblyandChamberPlacement3

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

•Utilizing4”PVCSch.40pipeandfittings,buildtheinspectionportasshowninFigure 4.

InspectionPortPlacement4

Fig

ure

4

Fig

ure

2

SCOUR PROTECTION GEOTEXTILE

15'-0" MIN. IN

LET

MAN

IFOL

D

SCOUR PROTECTION - WOVEN GEOTEXTILE

ASSEMBLY DIRECTION

Fig

ure

3

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

MIN.

END CAPINLET MANIFOLD

INSPECTION PORT

4” ø PVC or Dual Wall HDPE

4" ø SCHEDULE 40SCREW IN CAP

CONCRETE RING REQUIREDFOR TRAFFIC LOADING

TRAFFIC RATED BOX

FRATCO TAP TEE OR

EQUIVALENT

18"MIN.

96"MAX

4oz. NONWOVENGEOTEXTILE

STORMKEEPERCHAMBER

3/4" - 2" CLEAN CRUSHEDANGULAR STONE

6"

2

•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.

•Afterthisinitialanchoringphaseiscomplete,stoneplacementmaycontinuetosurroundthechambersandaroundtheperimeter.Stoneshouldfullyencompassthechambersandshouldcoverthetopofthechambercrowntoaminimumheightof6”.

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

•Covertheentiretopofthestonebedwithalayerof4oz.nonwovenfabric.Overlapallseams24”.Utilizingexcavatorpositionedoffbed,placeinitialbackfill.Begincompactionat12”.Rollertotravelparallelwithrows.Note: See Figure 5 and Table 1

ChamberBackfillProcess5

Figure 5

30" CHAMBER

4oz. NONWOVENGEOTEXTILE ALL AROUND

PAVEMENT PERENGINEER’S DRAWINGS

6” MIN.

30"

6" MIN.

18"MIN.

8'MAX

SUITABLE FOUNDATION

BEDDINGA

EMBEDMENT BACKFILLB

INITIAL BACKFILLC

FINAL BACKFILLD

6" MIN. 51" 12" MIN.

TheSK75canstore75cubicfeetperchamber.

SK75 Chamber InstallationGuideline

3

SK75 Chamber InstallationGuideline

•Usingtheprojectplansandappropriatedetails,fullyassemblethemanifoldsystem.

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

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

• Maintaininga6”minimumclearspacebetweeneachrowisrequired.Theassemblyofeachrowisachievedbyovertoppingthelastriboftheinitialchamberwiththefirstribofthesucceedingchamber.Overlaplocationsarelabeledoneachchamber.Rowassemblyshouldnotexceedthereachofthebackfillplacementequipment.Thefinalchamberofeachrowshallalsobeequippedwithanendcap.

•Endcapsareplacedwiththeendcapoverlappingthetopofthereducedsizejoiningcorrugation.Theendcapshouldbeheldinplacebyscrewsduringbackfilloperations.

ManifoldAssemblyandChamberPlacement3

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

•Utilizing4”PVCSch.40pipeandfittings,buildtheinspectionportasshowninFigure 4.

InspectionPortPlacement4

Fig

ure

4

Fig

ure

2

SCOUR PROTECTION GEOTEXTILE

15'-0" MIN.

INLE

T M

ANIF

OLD

SCOUR PROTECTION - WOVEN GEOTEXTILE

ASSEMBLY DIRECTION

Fig

ure

3

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

MIN.

END CAPINLET MANIFOLD

INSPECTION PORT

4” ø PVC or Dual Wall HDPE

4" ø SCHEDULE 40SCREW IN CAP

CONCRETE RING REQUIREDFOR TRAFFIC LOADING

TRAFFIC RATED BOX

FRATCO TAP TEE OR

EQUIVALENT

18"MIN.

96"MAX

4oz. NONWOVENGEOTEXTILE

STORMKEEPERCHAMBER

3/4" - 2" CLEAN CRUSHEDANGULAR STONE

6"

2

•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.

•Afterthisinitialanchoringphaseiscomplete,stoneplacementmaycontinuetosurroundthechambersandaroundtheperimeter.Stoneshouldfullyencompassthechambersandshouldcoverthetopofthechambercrowntoaminimumheightof6”.

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

•Covertheentiretopofthestonebedwithalayerof4oz.nonwovenfabric.Overlapallseams24”.Utilizingexcavatorpositionedoffbed,placeinitialbackfill.Begincompactionat12”.Rollertotravelparallelwithrows.Note: See Figure 5 and Table 1

ChamberBackfillProcess5

Figure 5

30" CHAMBER

4oz. NONWOVENGEOTEXTILE ALL AROUND

PAVEMENT PERENGINEER’S DRAWINGS

6” MIN.

30"

6" MIN.

18"MIN.

8'MAX

SUITABLE FOUNDATION

BEDDINGA

EMBEDMENT BACKFILLB

INITIAL BACKFILLC

FINAL BACKFILLD

6" MIN. 51" 12" MIN.

TheSK75canstore75cubicfeetperchamber.

SK75 Chamber InstallationGuideline

3

SK75 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(6”minimum).See Figure 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. NONWOVEN GEOTEXTILE

WITH 24" SEAM OVERLAY

6"

EXCAVATE CHAMBERSYSTEM BED

ConstructionLoading6

Fill Material Location

[D] Final Backfill -FillmaterialforLayerDstartsatthetopoftheClayertothebottomofthepavementortothefinishedgradeofanunpavedsurface.Thepavementsubbasemaybepartofthefinalbackfill.

[C] Initial Backfill -MaterialforlayerCstartsatthetopoftheembed-mentzone(layerB)andcontinuesto18”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-3OrM433, 357,4,467,5,56,57, 6,67,68, 7, 78,8,89, 9,10

3,357,4,467,5,56,57

3,357,4,467,5, 56,57

Compaction Requirements

Subgradewillbeplacedandcompactedtotherequirementsasshownonthesiteplans.

Compactionwillnotbeginuntilaminimumof12”ofmaterialisplacedoverthechambers.Additionallayersshallbecompactedin6”Iiftstoaminimumof95%standardproctordensityforwellgradedmaterial.Rollergrossvehiclesarenottoexceed12,000lbs.anddynamicforcenottoexceed20,000lbs.

No compaction required

Placed in 6” lifts and compacted with a vibratory roller.

Table

1

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

Max Axle Loadfor Trucks

lbs.32,000

32,000

32,000

32,000

16,000

8,000

Max Wheel Loadfor Loaders

lbs.16,000

16,000

16,000

16,000

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”36”

12”18”24”30”36”

12”18”24”30”36”

Max GroundPressure

psf34202350185015101310

24801770143012101070

22451625132511351010

2010148012201060950

154011901010910840

1070900800760720

Max Drum WeightDynamic Force

lbs.38,000

20,000

20,000Grossweightofrollernottoexceed12,000lbs.

20,000Grossweightofrollernottoexceed12,000lbs.

20,000Grossweightofrollernottoexceed12,000lbs.

NotAllowed

Max allowable roller loads

Max Allowable Wheels Loads

Max Allowable Track Loads

Refer to Table 2formaximumallowableconstructionvehicleloads.

SK75 Chamber InstallationGuideline

4