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Notice and Disclaimer 		IV
Table of Contents 		V
Chapter 1 - Introduction 		1
1.1 About Foundation Supportworks®, Inc 		1
1.2 FSI Engineering Roles 		2
1.3 Continuing Education Opportunities 		3
Chapter 2 – Helical Foundation Systems 		5
2.1 History 		5
2.2 Summary Description 		6
2.3 Helical Foundation System Components 		7
2.3.1 Helix Plates 		7
2.3.2 Central Shaft 		9
2.3.2.1 Coupler Detail 		9
2.3.2.2 Round vs Square 		13
2.3.3 Brackets 		14
2.4 Benefits 		17
2.5 Limitations 		18
2.6 Design Considerations 		20
2.6.1 Spacing and Depth 		20
2.6.2 New Construction vs Retrofit 		21
2.7 Helical Bearing Capacity Design Overview 		22
2.7.1 Individual Bearing Method 		24
2.7.1.1 Critical Depth 		25
2.7.2 Cylindrical Shear Method 		26
2.7.3 Torque Correlation Method 		27
2.8 Helical Tiebacks 		29
2.8.1 Design Considerations 		30
2.9 Helical Soil Nails 		33
2.9.1 Construction Methodology 		34
2.9.2 Design Considerations 		35
2.9.2.1 Temporary and Permanent Wall Facing 		39
2.9.2.2 Limit States 		39
2.10 Load Tests 		40
2.11 Design Examples 		41
2.11.1 Helical Piles 		41
2.11.2 Helical Tiebacks 		44
2.12 Installation 		45
2.12.1 General Information 		45
2.12.1.1 Preparation 		45
2.12.1.2 Crowd 		46
2.12.1.3 Penetration Rate 		46
2.12.2 Equipment 		47
2.12.2.1 Drive Heads 		47
2.12.2.2 Installation Tooling 		49
2.12.2.3 Monitoring Torque 		50
2.12.3 Installation Guidelines 		52
2.12.3.1 New Construction 		52
2.12.3.2 Retrofit Helical Piers 		54
2.12.3.3 Helical Tiebacks 		57
Appendix 2A - Helical Product Ratings, Properties and Details 		59
Appendix 2B – Lift Assembly Specifications 		111
Appendix 2C – HelixPro® Helical Foundation Design Software for Professionals 		117
Appendix 2D – Pile Bucking Considerations 		123
Appendix 2E – Corrosion Considerations 		129
Appendix 2F – Model Specifications 		135
Helical Pile Foundations – Compression Applications 		137
Helical Anchor Foundations – Tension Applications 		153
Helical Soil Nails – Earth Retention Applications 		171
Appendix 2G – Guidelines and Recommendations 		187
Geotechnical Investigation Guidelines 		189
Preliminary Design Services 		195
Preliminary Design Request Form 		197
Load Test Policy 		199
Appendix 2H – Documentation 		203
ICC-ES Evaluation Report ESR-3074 		205
Evaluation Report CCMC 13556-R 		215
References 		219
Chapter 3 – Hydraulically-Driven Push Piers 		221
3.1 History 		221
3.2 Summary Description 		223
3.2.1 Applications 		223
3.3 Push Pier System Components 		224
3.3.1 Bracket Assemblies 		224
3.3.1.1 Eccentric Loading 		224
3.3.1.2 External Sleeve 		225
3.3.2 Starter Tube 		226
3.3.2.1 Friction Reduction Collar 		227
3.3.3 Pier Tube 		227
3.3.3.1 Coupling 		227
3.4 Foundation and Slab Push Pier Bracket Assemblies 		228
3.5 Benefits 		229
3.6 Limitations 		229
3.7 Corrosion Protection 		230
3.8. Push Pier Installation Equipment 		230
3.8.1 Drive and Lift Cylinders 		231
3.8.2 Hydraulic Pumps 		231
3.8.2.1 FSI Gasoline Powered Hydraulic Pumps 		232
3.8.2.2 FSI Electric Powered Hydraulic Pumps 		232
3.8.3 Remote Valve Assembly 		233
3.8.4 Hoses and Fittings 		233
3.8.5 Drive Stands 		233
3.8.6 Lift Cylinder Assemblies 		233
3.9 Push Pier Capacity and Spacing 		234
3.9.1 Factor of Safety 		235
3.9.2 Bolting the Under-Footing Bracket to the Foundation 		235
3.10 Under-Footing Push Pier Installation 		236
3.11 PP288 Flush-Mount Push Pier Installation 		245
3.12 PP288 Slab Push Pier Installation 		245
3.13 Push Pier Load Testing 		251
Appendix 3A – Bracket Capacities and Specifications 		253
Appendix 3B – Drive Stand Specifications 		263
Appendix 3C – Lift Assembly Specifications 		271
Appendix 3D – Model Specification – Hydraulically-Driven Push Pier Systems 		277
Chapter 4 – Miscellaneous Structural Support Products 		291
4.1 Introduction 		291
4.2 Geo-Lock® Wall Anchor System 		291
4.2.1 Summary Description 		291
4.2.1.1 Advantages 		291
4.2.2 Design Theory 		292
4.2.3 Why It Works 		294
4.2.4 Installation Guidelines 		294
4.2.4.1 Spacing 		294
4.2.4.2 Torque Recommendations 		294
4.2.4.3 Depth and Location of Earth Anchor 		295
4.2.5 Installation Steps 		298
4.2.5.1 Solutions for Extreme Wall Problems 		299
4.2.5.2 Hide-A-Way® Wall Anchor Cover 		301
4.3 PowerBrace™ System 		302
4.3.1 Summary Description 		302
4.3.2 Installation Steps 		302
4.4 CarbonArmor® Wall Reinforcing System 		304
4.4.1 Summary Description 		304
4.4.1.1 Advantages 		305
4.4.2 Installation Steps 		305
4.4.2.1 ArmorLock™ System. 		306
4.4.2.2 Special Installation Considerations 		307
4.5 SmartJack® System 		308
4.5.1 Summary Description 		308
4.5.1.1 Advantages 		308
4.5.2 Installation Steps 		309
Appendix 4A – Geo-Lock® Wall Anchor System 		311
Technical Specifications 		313
Appendix 4B – PowerBrace™ System 		315
Technical Specifications and Spacing Guidelines 		317
Appendix 4C – CarbonArmor® Wall Reinforcing System 		319
Technical Specifications and Spacing Recommendations 		321
Appendix 4D – SmartJack® Systems 		323
Model 288 Technical Specifications and Design Guide 		325
Model 350 Technical Specifications and Design Guide 		329
Chapter 5 – PolyLEVEL® Polyurethane Foam and Resin 		333
5.1 Summary Descriptio 		333
5.2 Applications 		334
5.3 Benefits 		336
5.4 Product Use Considerations 		337
5.5 Products 		337
5.6 Equipment 		338
5.7 Installation Steps 		338
Appendix 5A – Technical Information 		341
PolyLEVEL® 100-SS 		343
PolyLEVEL® 250 		345
PolyLEVEL® 400 		347
PolyLEVEL® 400H 		349
PolyLEVEL® Trench-Breaker 		351
Appendix 5B – Model Specifications 		353
Polyurethane Void Filling or Soil Stabilization Applications 		355
Polyurethane Installation for Concrete Pavement/Slab Stabilization Applications 		359
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