Twoconstructionmethods including firstsinkingsteelcofferdamthen forming pileand first forming pile then sinking steel cofferdam, together with theiradvantages and disadvantages are introduced.
Old-timers Lee Trevino and Chi-Chi Rodriguez pop into mind with their comic patter and dramatic flair (Rodriquez was famous for his routine of waving his putter at the hole after sinking a putt and then thrusting it into an imaginary scabbard on his hip).