Ensuring Industrial Safety: Advanced Techniques for Comprehensive Tank Inspections

Tank Inspection

In the realm of industrial safety and maintenance, the importance of NDT cannot be overstated. Sonomatic RAIS stands at the forefront of this critical field, pioneering advanced methods to ensure the integrity and longevity of storage tanks. These assets are vital components across various industries, from petrochemical plants to water treatment facilities, where their failure could result in catastrophic consequences.

This cover story delves into the sophisticated techniques and tools employed by Sonomatic RAIS to perform comprehensive inspections and maintain these essential structures, focusing on tank roof maintenance and internal and external NDT methodologies.

Tank Roof Maintenance Checks

Tank roof maintenance is an essential aspect of ensuring the overall health and functionality of storage tanks. Sonomatic RAIS conducts thorough inspections to detect and address potential issues before they escalate. These inspections are particularly crucial when the tank is at the top dip or, if performed below the top dip, necessitate the use of a breathing apparatus for safety. The following steps outline the meticulous process carried out by Sonomatic RAIS:

1. Drainage Sump Maintenance:

The inspection begins with the removal of the cover from the drainage sump, followed by clearing all debris and ensuring the sump is free from Obstructions.

2. NRV Operation Check:

The next step involves checking the operation of the non-return valve (NRV) to confirm it is functioning correctly.

3. Pontoon Inspection:

All pontoons are inspected for lower explosive limits (LELs) and liquid presence, securely refitted, and checked for proper installation.

4. Structural Integrity Checks:

Landing legs, gauging poles, and all associated pins and retaining clips are examined for signs of damage or corrosion.

5. ABV and Rim Vent Maintenance:

Ensuring all Automatic Bleeder Vents (ABVs) and rim vents are free of debris or damage is vital for proper ventilation.

6. Seal and Shunt Inspection:

The seal is checked for wear, corrosion, and distortion, while shunts are inspected to ensure contact with the tank shell.

7. RGA and Earthing:

Regular inspections of roof grounding assemblies (RGAs) and earthing arrangements are conducted to prevent static discharge hazards.

8. Tank Shell and Roof Ladder Condition:

Visible sections of the tank shell are inspected for scraping and damage, and the roof ladder, if present, is examined for signs of corrosion or structural issues.

9. Roof Plate Examination:

Roof plates are inspected for corrosion, damage, or cracking to maintain the structural integrity of the tank roof.

10. Continuity Check:

A continuity check between the tank roof and shell ensures protection against lightning and static electricity.

These comprehensive checks are meticulously recorded and reported to clients, ensuring transparency and proactive maintenance.