May 6, 2008 #1 steve101 Structural Sep 27, 2003 16 0 0 GB New mild steel guide , clamped to +9m brace. Retrofit superduplex caisson. Probably have a 25mm anulus. Is a rubber liner to the guide barrel adequate for isolation? PTFE? 20year design life.
New mild steel guide , clamped to +9m brace. Retrofit superduplex caisson. Probably have a 25mm anulus. Is a rubber liner to the guide barrel adequate for isolation? PTFE? 20year design life.