Installing C.P. Components 8:18
CP 1 – Cathodic Protection Tester Course Manual
© NACE International, 2000
07/01/04
If concrete is used to cover the pipe, all coating and concrete must be
removed from the anode surface. If reinforced concrete is used, there must
be no metallic contact between anode and reinforcing mesh or between
reinforcing mesh and pipe.
Figure 8.16 shows a typical bracelet anode installation.
Isolation
Joint
Sea Water
Bracelet Anode
Land
Isolation
Joint
Typical Bracelet Anode
Pipe
Anode Metal
Figure 8.16 Bracelet Anode Installation for Underwater Piping
Offshore Anodes
Offshore anodes for use in salt water are usually made of an aluminum
alloy and may weigh up to about 1,400 pounds each. The anodes are cast on
a steel pipe core, which in turn is welded to the platform or other structure
to be protected. Figure 8.17 shows a typical example.
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