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Tank Maintenance Works

API 653 storage tank inspection and repair - GTC Energy
About Tank Maintenance

Integrity Restored.
Compliance Assured.

GTC Energy provides comprehensive maintenance for atmospheric and low-pressure storage tanks handling crude, chemicals, ethanol, water and firewater. We manage end-to-end—gas freeing, cleaning, inspection, repair, coatings and hydrotesting—handing over with complete certification and dossiers.

Our teams work under strict confined-space protocols, PTW/LOTO, and documented QA/QC to return tanks to safe, reliable service on schedule.

Inspection & Repair Scope Includes:

  • Degassing, nitrogen purging, sludge removal & internal cleaning
  • In-service/out-of-service inspection, settlement & shell plumb checks
  • NDT: UT thickness mapping, MPT/PT, hardness; vacuum box for bottoms
  • Bottom/annular plate replacement, patching & corrosion underfloor repairs
  • Shell courses repair, crack arresting, nozzle/sump additions & replacements
  • Floating roof pontoon/structure repair, primary/secondary seal replacement
  • Fixed roof repairs, manways, davits, handrails & platforms
  • Tank jacking, foundation rehab, drainage & cathodic protection integration

Coatings, Testing & Commissioning:

  • Surface prep (abrasive blasting), profile checks & SSPC/NACE procedures
  • Internal linings: epoxy/novolac, vinyl ester, rubber lining, FRP systems
  • External coatings with DFT/holiday testing & adhesion checks
  • Hydrostatic testing, leak tests, roof drain checks & overflow verification
  • Instrumentation: level gauges, radar, ATG, flame/gas detection interfaces
  • Calibration charts, nameplate updates & documentation for regulators
  • As-built drawings, ITPs, WPS/PQR, weld maps & NDT reports
  • Start-up assistance and safe handover dossiers

Why Choose GTC Energy?

API 650/653 Expertise

Repairs and testing aligned with API standards, OEM guidance and statutory norms.

Confined Space Safety

PTW/LOTO, gas testing, rescue plans and dedicated safety stewards for all entries.

Quality & Traceability

ITPs, weld procedures, DFT logs, NDT records and complete as-built documentation.

Minimal Downtime

Jacking, prefab repairs and parallel activities to compress shutdown windows.

Quality, Safety & Compliance — At Every Step

We execute under strict QA/QC and HSE: method statements, risk assessments, coating ITPs, spark/holiday tests, hydrotests and reinstatement checklists. Documentation is compiled into handover dossiers for audits and regulators.

Our approach ensures integrity, environmental protection and reliable operation for years to come.

Tank coatings, linings and hydrotesting - GTC Energy