(Vijay Cor Eng)
Most scaling on seawater line is due to Carbonate scaling
this is enhaced in alakline condition. The introduction of NaOCl have increased the PH leval in the area. Try using liquid chlorine to control biofouling or try structured biocites injection for the management.
(Vijay Cor Eng)
Phenoilc based epoxy costings(75% -85% Vol Solds) on Class 3 Blast profile (75 -125um)normaly of 3coats of 125um is the standard practice. International, Ameron, Jotun and carbolin have proven products off the shell for this application. Your applicators have to be qualified...