b'Table of ContentsChapter 6 - ECP Steel Piers Technical Design ManualIntroduction 109Features and Innovations109Product Benefits110Pier Installation Sequences110PPB Eccentric Underpinning Bracket Installation111PPB Eccentric Underpinning Bracket Components 111ECP Steel Pier Product Configurations 112Table 1 - ECP Steel Pier System Ratings 117Suitable Load Bearing Stratum 117Why Determine Structural Loads? 117Estimating Structural Loads 118Benefits of Estimating Foundation Loads 118Estimating Commercial Building Loads 118Simplified Tables of Structural Foundation Loads 119Quick-SolveStructural Load Estimating 121Determining Pier Spacing 122Pier Spacing Based Upon Pier Strength 122Pier Spacing Based Upon Footing Strength 122Graphs for Estimating Pier Spacing 123Pier Installation, Load Testing & Project Documentation 125Pier Installation 125Proof Testing and Project Documentation 126Buckling Loads on the Pier Shaft in Weak Soil 126Allowable Compressive LoadsP in Air 127How to Reinforce Piers to Increase Buckling Resistance 128Inertia Sleeves 128External Sleeves 129Quick-SolveBuckling Load Estimates 129ECP Steel Pier PPB-350-TTA Utility Bracket System withTAF-150 Torque Anchor Tieback Assembly 129PPB 166 Slab Jack Installation 130EARTH CONTACT PRODUCTSDesigned and Engineered to Performwww.getecp.comEarthContactProducts,LLCreservestherighttochangedesignfeatures,specificationsandproductswithoutnotice,consistent with our efforts toward continuous product improvement.Please check with Engineering Department, EarthContact Products to verify that you are using the most recent information and specifications.ECP Steel Piers - Technical Design Manual2021 Earth Contact Products, L.L.C.2021-09 Chapter 6 - Page 108 All rights reserved'