API 1631 : 2001
Superseded
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INTERIOR LINING AND PERIODIC INSPECTION OF UNDERGROUND STORAGE TANKS
English
01-01-2001
05-06-2020
1 SCOPE
2 REFERENCED PUBLICATIONS
3 OBJECTIVES, REQUIREMENTS AND SPECIFICATIONS OF THE
INTERIOR LINING PROCESS
3.1 Objectives
3.2 Permit and Training Requirements
3.3 Coating (Lining) Specifications
4 PREPARATION FOR OPENING THE TANK
4.1 Safety Precautions
4.2 Tank Isolation
4.3 Removal of Liquid Product
4.4 Removal of Flammable Vapors (Vapor-Freeing)
4.5 Testing Flammable Vapor Concentration
5 TANK ENTRY
5.1 Opening the Tank
5.2 Preliminary Precautions
5.3 General Toxicity and Health Considerations
6 PREPARATION OF THE TANK INTERIOR
6.1 Sludge Removal
6.2 Special Toxicity Considerations
6.3 Tank Inspection
6.4 Surface Preparation
7 APPLICATION OF LINING
7.1 Steel Tanks
7.2 Fiberglass Tanks
8 TANK CLOSING
8.1 Steel Tanks
8.2 Fiberglass Tanks
8.3 Tank Tightness Testing
Figures
1 Eductor-Type Air Mover
2 Diffused Air Blower
3 Method for Installation of Tank Cover Plate
4 Alternate Cover Plate Installation Detail
Provides minimum recommendations for the interior lining of existing steel and fiber-glass reinforced plastic (FRP) underground tanks and periodic inspection of steel underground tanks used for storage of petroleum-based motor fuels and middle distillates.
| DocumentType |
Standard
|
| Pages |
38
|
| PublisherName |
American Petroleum Institute
|
| Status |
Superseded
|
| SupersededBy |
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