Complete Petroleum & Chemical Storage Tank Services

TIS performs cost-effective storage tank services quickly and safely with a variety of skill sets. Our team of professionals is well-trained and experienced in providing safety-focused chemical and fuel storage tank cleaning, inspection, and repair services.

Storage Tank Cleaning

TIS has a proven track record in safely opening, degassing, and cleaning above ground storage tanks using industry accepted confined space entry tank cleaning procedures. We self-perform Standby Rescue for all confined space entries.

  •  Tank draining & isolation

  • Tank opening & degassing

  • Confined Space Entry & Rescue/Supplied Air

  • Waste minimalization and recycling/disposal mgt

  • Expertise in petroleum & chemical tanks

Storage Tank Inspection

TIS has performed a significant number of in-service floating roof seal inspections. Our crews are ready to make seal repairs to keep your tank in service if the inspection reveals an issue. We also perform API 653 and STI SP001 inspections.

  •  In-service floating rood seal inspections/repairs

  • API 653 Out-of-Service Inspections

  • API 653 In-Service inspections

  • STI SP001 tank inspections (shop built)

  • Pre-demolition tank inspections & gas checks

Storage Tank Maintenance

We assist tank owners in maintaining the integrity of their tank assets such as entry for setting floating roof legs, removing debris from floating roofs, change of product ventilation/cleaning and bolt-up for return to service.

  •  Floating Roof leg settings to high/low legs

  • Tank valve removal and replacement

  • Change of product cleaning and/or ventilation

  • Tank Hydrotest management

  • Bolt-up & return to service

Specialty Tank Services

TIS provides a broad range of specialty services such as leaking floating roof investigation and sealing, floating roof pre-landing inspections with UT testing, pressure vessel projects, tank hydrotesting and more…

  •  Leaking floating roof investigation/sealing

  • Ultrasonic thickness testing of fixed/floating roofs

  • Aluminum floating roof demolition

  • Lead-in-air & Benzene atmospheric testing

  • Tanks with known or suspected H2S products


Complete Storage Tank Cleaning, Maintenance and Repair

At TIS we are equipped with an arsenal of ventilation, air monitoring, and personal protective equipment. Each job is managed on-site by a TIS API Certified Tank Entry Supervisor (TES). Safety is our top priority.

Recent Storage Tank Service Projects

TIS Provides Robotic Tank Inspection

 TIS sourced and managed an API 653 Robotic Internal Inspection of a 115 foot diameter [...]

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Jefferson City Midstream Pipeline Terminal

Description: TIS was contacted by a midstream pipeline client to clean a 42.4’ diameter fire [...]

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