Case History #036 REV.04-97
Carbon steel, welded construction hydro penstock with a 250-foot head developed concentrated corrosion. The penstock was first dried thoroughly.
Abrasive-blasting followed to remove the failed lining, clean the substrate to SSPC-SP5 Standards and install a 3-mil minimum anchor profile.
Two coats of Arcor™ S-30 were spray-applied at 20 mils per coat for a total DFT of 40 mils. Arcor™ TS-RB rebuilding material was installed between coats where pitting was evident.
Blasting surface clean.
Application of ARCOR S-30.
Unit complete with ARCOR S-30 top-coat.