In writing this book, I had help from a lot of friends. This book involved a lot of support and input from people whom I have been close to in the business world for many years.

Those who helped me with job photos and drawing details include Bill Grady of KLB Construction, Brian Isherwood and Nadir Ansari of Brian Isherwood and Associates, Troy Adams of Skyline Steel, Scott McKellar of Hurlen Construction, Peter McDonald, and Bill Starke of Deep Foundations Contractors, Vince Jue of Champion Equipment, Ernie Brandl of Schnabel Foundation, Charlie Griffes of CT Engineering, Stan McAllister of City Transfer, Horst Aschenbroich of Con-Tech Systems, Bruce Jensen and Doug Banks of Williams Form Engineering, Robert Fisher of Dywidag Systems, Bill Warfield of Ingersoll Rand, Mike Weekes and Gary Berg of Stoneway Concrete, Don Morin of DMI Drilling, Jim Su of CivilTech, Alan Rasband and John Roe of Malcolm Drilling, John Monroe of Watson Inc, Matthias Heichel of ABI, Inc, Dan Fruhling of Fruhling Excavation, Ron Boscola of Murray Franklin, Tom Gurtowski of Shannon & Wilson, Ben Dutton of Equipment Corporation of America, Arne Carson of KPFF Consulting Engineers, Michael Leffer of Hans Leffer GmbH, Gary Schnee of Seaport Steel, Ed Sneffen of Golder Associates, Tony Barley of SBMA, Shannon Creson of Drill Tech Drilling and Shoring, and Bob Federighi and Matt Partain of Condon Johnson & Associates.

Colin Cox and Eric Lindquist of Golder Associates were tireless in their development of illustrations. I would also like to thank Pat...