CPR Repairs and Coats Bow Thruster Tunnels

CUSTOMER: Canadian Coast Guard Ship – Samuel Risley

PROBLEM: Bow Thruster Tunnels were suffering with Cavitation and Erosion Damage.

SUBSTRATE: Carbon Steel

CPR: Blast to SSPC-SP10 with a 4-mil profile. Fill in pitting with Paste Grade Metal and overcoat with Fluid Grade Wear Resistant Coating


Cavitation and erosion on after section preceding propeller.

Another picture of damage.

Pitting filled with paste grade metal and then overcoated with wear resistant coating grade.

Forward section coated with wear resistant fluid grade and standard fluid grade on butterfly valves.