Standard for Inspection, Repair, and Modification of Shop-fabricated Underground Tanks (SP131)
All Products
The Standard for Inspection, Repair, and Modification of Shop-fabricated Underground Tanks for Storage of Flammable and Combustible Liquids (SP131) covers the inspection, repair, and modification of an atmospheric-type, shop fabricated, carbon and/or stainless steel underground storage tank. It applies to tanks storing stable liquids at atmospheric pressure.
Topics include:
- Safety Considerations
- Personnel Qualifications
- Material Requirements
- Welding Requirements
- Coatings and Linings
- Inspection
- Tank Repair
- Modifications
- Repairs by Welding
- Double Wall and Jacketed Tanks
- External Repair of Jacketed Tanks
- Testing of Modifications and Repairs
This standard covers tanks built to a nationally recognized standard for underground storage tanks. It may be used for the repair of other tanks at the discretion of the tank owner. The edition of the construction standard to which the tank was built must be consulted for minimum construction requirements not otherwise covered in this standard.
Revised: October 2014
Format: PDF