UL 1746:3ED 2007-01-17
Current
The latest, up-to-date edition.
Standard for External Corrosion Protection Systems For Steel Underground Storage Tanks
Hardcopy
17-01-2007
FOREWORD
INTRODUCTION
1. Scope
2. General
3. Glossary
CONSTRUCTION
4. General
PART 1 - PREENGINEERED CATHODIC PROTECTION SYSTEMS
CONSTRUCTION
5. Components
6. Cathodic Protection System Assembly
PERFORMANCE
7. Anode Pull and Durability Tests
8. Torque and Pullout Tests for Pressure Wire Connectors
9. Pullout Test for Test Lead
10. Dielectric Coating Tests
11. Tests for Insulating Devices (Bushings and Gaskets)
12. Cathodic Tank Assembly Tests
PART II - COMPOSITE TANKS
CONSTRUCTION
13. Components
PERFORMANCE
14. Physical Properties of Materials Tests
15. Corrosion Evaluation Tests
16. Composite Tank Assembly Tests
PART III - JACKETED TANKS
CONSTRUCTION
17. Components
PERFORMANCE
18. Physical Properties of Materials Tests
19. Corrosion Evaluation Tests
20. Jacketed Tank Assembly Tests
MANUFACTURING AND PRODUCTION TESTS
21. Leakage Tests (All Tanks)
22. Anode Continuity Test
23. Holiday Test
MARKING
24. General
SUPPLEMENT A
IDENTIFICATION TESTS
SA1. General
SA2. Specific Gravity
SA3. Ash Content
SA5. Percent Extractables
SA6. Differential Scanning Calorimetry
SA7. Thermogravimetric Analysis
SA8. Flexural Strength
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