Page 



4 - Corrosion of Steels Versus Depth After 1 Year 



of Exposure 13 



5 - Corrosion Potentials in Flowing Seawater (8 to 13 ft/s) , 



Temperature Range 50 - 80° F (from reference 27) 15 



6 - Biofouling Mass as a Function of Depth in the 



Tongue of the Ocean 28 



7 - Time to Reach Hard-Shelled Fouling Stage as a 



Function of Depth 29 



8 - Diver-Held Mechanical Scrubber 56 



9 - SCAMP Cleaning Unit 58 



10 - Brush-Kart Cleaning Unit 59 



11 - Brush-Boat Cleaning System 60 



12 - Hydraulic Jet Cleaning Tool . 61 



LIST OF TABLES 



1 - Selected Properties of Concrete, Polymer Concrete, 



and Polymer-Impregnated Concrete 8 



2 - Major Factors Affecting Corrosion in Seawater 



Environment 10 



3 - Design Criteria for Cathodic Protection Systems 16 



4 - Anticorrosion Coatings for Steel 20 



5 - Anticorrosion Coatings for Aluminum 20 



6 - Evaluation of GRP Fairwater After 11 Years of Service 25 



7 - Habitats of Fouling Organisms 30 



8 - Antifouling Coatings for Rigid Surfaces 38 



9 - Antifouling Coatings for Neoprene 39 



10 - Compatibility of Antifouling Coatings with 



Anticorrosion Paint Systems 40 



