b'had a tendency to work loose in earlier designs. the pier pipe (pipe stiffness). This can be used toOther than a control sleeve that is only used on prevent shaft buckling inweaksoils, orfullythe PPB-350, all of the pier brackets are designed exposed in water or air.(See Figure 3, below)to securely align and guide the pier pipe without The Inertia Sleeve consists of a pipe that fitsadditional tools. snugly inside the existing pier pipe. One end theAnotherinnovationontheECP PPB-300& InertiaSleevehasanineinchlongcouplingPPB-350 SteelPierSystemsisthepatented that fits through, and spans across, the coupledInertia Sleeve.This state of the art method of pier pipe joint.The Inertia Sleeve is installedincreasing the moment of inertia (stiffness) of the concurrent with the pier pipe and only takes thepierpipe,inaddition theInertiaSleeve time necessary topickup asectionof Inertiastrengthensthecoupledjoints,whichis Sleeve and to let it drop by gravity into the pierunmatched in the industry. The combination of pipepriortoinstallingthenext lengthofpierpier pipe and Inertia Sleeve produces a more pipe into the ground.rigid pier system that is stiffer (It has a higher Theinstalledcostofthispier strengtheningmoment of inertia.) than with only the pier pipe. product is hardly more than the purchase price ofThe Inertia Sleeve does not carry any of the the InertiaSleeve product,yetitcreatesaaxial compressive pier loads; the function of this stiffer piersystemthatismoreresistanttoproduct is only to increase moment of inertia of buckling wheninstalled throughweaksoil.Product Benefits Ultimate-Limit Capacities: Up to 115,000 lb.Friction Reduction Collar On Lead Pier Section Proof Test Loads: Up to 86,000 lb. Reduces Skin Friction Standard Lift4 Fully AdjustableInstalls To Rock or Verified End Bearing Stratum Greater Lift Capability With Optional Longer100% of Piers Are Field Load Tested to VerifyBracket Rods Capacity During Installation Installs From Outside or Inside the StructureManufacturers Warranty ICC-ES Evaluation ESR 4771 applies to Model 300 Installs With Portable Hydraulic Equipment & 350 ECP Steel PierEccentric Bracket Systems Installs With Little or No Vibration and Inertia Sleeves.Pier Installation SequencesQuiet, vibration free hydraulic equipmentis used to install ECP Steel Piers.Allinstallation equipment is portable and canbe carried in a wheelbarrow.After all ofthe piers are installed and then proof loadtested,thestructurecanbeimmediately DRIVE CYLINDERrestored afterpierinstallation bytransferring the structural load to the piers.Nowasted time waitingforconcretetocure,andno spoilstoremoveandtransportfromthesite. Projectsare DRIVE STANDusually completed in days, not weeks.FOUNDATION INSTALLED PIERAllpiersare proofloadtested priorto STEMWALL AND BRACKETbeing put in service.A proof test load is a FOUNDATIONFOOTINGtest load placed on the pier system that is STARTERgreater than the actual working load. A PIER PIPEfactorofsafetyis determinedandrecorded.Thepiercapacityisverified. ESR-4471Shouldgeologicconditionschange,the Figure 2. Typical ECP Steel Pier Installation Using Anpiers can be easily inspected, tested and/or Eccentric Underpinning Bracket.adjusted.ECP Steel Piers - Technical Design Manual2021 Earth Contact Products, L.L.C.2021-09 Chapter 6 - Page 110 All rights reserved'