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Step 3—Implementation Figure 5:Strap Positioning
<br /> Effective buoyancy control of Infiltrator tanks requires careful preparation, '
<br /> f.n,, r` IM-54e
<br /> thorough excavation precise placement secu[e�t[apping_and_pr_aper �• +� �
<br /> backfilling,as described and illustrated below. <"Atof�` �tt
<br /> Excavation Requirements .ii ,t' .„t
<br /> It is recommended that the excavation width provide a minimum of 36 3 - ijJ
<br /> inches(900 mm)clearance beyond the tank on all sides when utilizing , .
<br /> buoyancy control.This will allow sufficient space within the excavation
<br /> ' 9" " ?sp'
<br /> toplace deadmen anchors and fasten plig is AIM-106o
<br /> strapping.The excavation should it if(! 4-
<br /> - ,��
<br /> provide a minimum of 48 inches(1,200 mm)when using Chancel" to ft?No-Wrench Screw Anchors to allow for room to ro erl install the screwyi $ lir
<br /> anchors.The actual excavation size shall be determned by the installer. tiiiIt)ih 1�' .
<br /> additional excavation Refer to Infiltrator IM-and poceduresries Tank Installation Instructions for ``�:h"i 1114 ) ( � ��
<br /> N „at t
<br /> Concrete-filled Half Pipe Construction . '`-,.m. t
<br /> Concrete-filled half pipe shall be supported with soil or other stabilizingy '
<br /> means below the pipe haunches prior to concrete placement. The b ,,ram
<br /> stabilization shall prevent the pipe from rolling during placement and curing a7� ` �* °°
<br /> ° ji '� �r
<br /> of the concrete. Concrete shall be allowed to cure for a minimum of one ,‘
<br /> ti ,f .i. f... ., tM•1530
<br /> '
<br /> day prior to tank backfilling. }•}�}{j`;'{ + r ti
<br /> `tjPlacement of Deadmen and AnchorsConcrete deadman anchors are to be installed at the bottom of the tank ,�g��tj is y. y 42 `44pr,12,41
<br /> ere.,9.11, ,`
<br /> excavation,parallel to the long axis of the tank(see Figure 3). `'�» }/sr l(�i
<br /> Figure 3:Plan View — -_1— i '— ''
<br /> Stria Al1. ,. -
<br /> II �� -11_—
<br /> .arirsi
<br /> Rx `y•c •:`'a�"i1' u u `-''-`-�`_i, STRAPPING NOTES:
<br /> 7 " .."''—4 • •yl - r a, I s c 1, 1!The buoyancy control shall be centered across the straps(excludes helical
<br /> erti o, r1.41 rr i �iic D, /anchors).The control shall extend a minimum of 6 inches(150 mm)beyond the
<br /> ► •-1 •��s11 ■Im.�• --r maximum strap width(see Figures 3 and 5).
<br /> W. 2.The minimum deadman length corresponds to the tank model-specific strap
<br /> --�►' Dead,naa width plus 12 inches(300 mm).
<br /> suapp r aknar 3.The TW-1250 and TW-1500 shall be secured to the buoyancy control using
<br /> 6'M;n64ena w. tea...__.._. _. .�:•.. CrYP
<br /> " three straps(excludes helical anchors).
<br /> The dea not touching,the tank on both 4.For helical anchors installed on the TW-1250 and TW-1500,the outside straps
<br /> sides of the tank to allow the placement of backfill between the deadman shall be used to connect the 2 anchors per tank side.No center strap is
<br /> anchor and tan required.
<br /> Figur ection View .. �Straw.
<br /> Backfill and Cover
<br /> r pry`" •``'`r ` "°y ,+: Place backfill between deadman anchor and tank sidewall to fully fill void
<br /> U kv,� nd tank body corrugations.A minimum 6"layer(150 mm)of suitable cover
<br /> - Provide Adequate space For -terial is required over all Infiltrator tank installations.Mound cover to
<br /> 4' Bachftl Placement Between q
<br /> _ .- Deadman Anchor And Tank di:-ct surface water drainage away from the tank excavation footprint.
<br /> 72
<br /> ( .l(11 iE -stablish a strong stand of erosion-resistant vegetation.Refer to Infiltrator
<br /> `� � I
<br /> ,' 1l A Madman IM-and TW-Series Tank Installation Instructions for complete backfilling
<br /> ,q--,�
<br /> +. a i6S.K4 m� .,L ' and cover procedures.
<br /> Helical anchors should be installed so that the eye loop is level with the General Specifications
<br /> • bottom of the tank excavation.They must be in line with the tank model • Prior to ground disturbance,check for subsurface obstructions and
<br /> strapping locations(see Figure 5)or lifting lugs,as appropriate.Anchors utilities in conformance with applicable requirements.
<br /> must also be installed at such a distance from and angle to the tank
<br /> so that the strapping is within 5°of alignment with the anchor shaft per • Excavations shall conform to applicable safety regulations.
<br /> manufacturer's recommendations. • Follow manufacturer instructions for all products and devices used for
<br /> Infiltrator tank buoyancy control.
<br /> Strapping • Buoyancy control methods described herein do not account for
<br /> Preparation and fastening of webbing to/over the tanks is critical for tank unanticipated conditions such as surface flooding or other natural
<br /> stability under constant and fluctuating water conditions both inside disasters,unintended removal of cover fill over tank,etc.
<br /> and outside the tank.Straps must be placed at the specified strapping • Buoyancy control methods described herein are recommendations only;
<br /> locations for each model as illustrated in Figure 5.The IM-Series tank consult a professional engineer if desired.
<br /> strapping locations correspond to structurally reinforced areas of the tank
<br /> body.These locations correspond to corner lifting lugs and alignment with rinterior structural bulkheads for the TW-1250 and TW-1500 models.TheIM-Series tanks do not have corner lifting lugs for fastening strapping. 4 Business Park Road
<br /> Straps must never be placed over access openings,lids,or inlet/outlet P.O.Box 768
<br /> piping.Straps must be tightened with a ratchet or turnbuckle system to Old Saybrook,CT 06475
<br /> remove slack and slightly pre-load the system. I N F I LT RAT O R• 860-577-7000•Fax 860-577-7001
<br /> 1-800-221-4436
<br /> systems inc. www.Inftratorsystems.com
<br /> U.S.Patents:4,759,661;5,017,041;5,156,488;5,336,017;5,401,116;5,401,459;5,511,903;5,716,163;5,588,778;5,839,844 Canadian Patents:1,329,959;2,004,564 Other patents pending.Infiltrator,Equalizer,
<br /> Quick4,and Sidewinder are registered trademarks of Infiltrator Systems Inc.Infiltrator is a registered trademark in France.Infiltrator Systems Inc.is a registered trademark In Mexico.Contour,MicroLeaching,PolyTuff,
<br /> ChamberSpacer,MultiPort,PosiLock,OuickCut,QuickPlay,SnapLock and StraightLock are trademarks of Infiltrator Systems Inc.PolyLok is a trademark of PolyLok,Inc.TUF-TfTE is a registered trademark of TUF-TTTE,
<br /> INC.Ultra-Rib is a trademark of IPEX Inc.
<br /> 2013 Infiltrator Systems Inc.All rights reserved.Printed in USA TANK03 1113
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