RP for External Corrosion Protection of Shop Fabricated Aboveground Tank Floors (R893)
The Recommended Practice for External Corrosion Protection of Shop Fabricated Aboveground Tank Floors (R893) covers an external corrosion control system for aboveground shop fabricated steel tank floors.
- Protective Dielectric Coatings
- Electric Isolation
- Cathodic Protection
- Cathodic Protection Monitoring
The system is a practical and economical means of extending the life of aboveground storage tanks for a minimum of thirty years on corrosive soil conditions, to an indefinite term in less severe environments.
Revised: January 2006