Tank services
A full programme covering inspection, certification, repair and life-extension — with in-house API 653 inspectors, NACE cathodic-protection providers and a turnkey management offer.
List of tank services
- Tank Life Extension Program
- API re-certification
- Tank inspections
- Engineering & design
- Construction management
- Berm assessments
- Tank conversions
- Tank damage assessment and repair plans
- Tank strapping-table calculations
Examples of work executed
- Floor and shell repairs, general maintenance
- New floor; new internal floating roof (IFR) seal
- IFR alterations, removals and replacements
- Experimental IFR-leg modification
- Addition of new nozzles
- Slofec inspection of lined tanks (subcontracted)
- Conversion to ethanol service
- New mechanical shoe-seal installation
- Inspection and minor shell / nozzle repairs
- Manage leaking tanks and fallouts
- New asphalt foundations
- Out-of-service and in-service inspections
- Replace first course, floor, fixed roof, new nozzles
- Fire-damaged tank repairs
- Convert from heavy oil to crude
- Multiple API 653 tank inspections
Tank-program experience
- Multi-year fleet program management to minimise total cost of ownership
- Tank-fleet optimisation
- Risk-based inspection
- Component-equipment strategy for TLE
- Tank commissioning and decommissioning
- Tank-cleaning management and training
- Operations troubleshooting
- Failure assessment and root-cause analysis
- Advanced in-service robotic inspections for TLE
- Efficient and proven foundation designs and repairs
- Fit-for-purpose construction-contractor selection
- Risk-based work selection for turnaround — including life-cycle cost analysis
- Compliance with select industry standards (e.g. AQUA for aviation tanks)
- Best practices for tank cleaning and repairs (FRP/GRP removal, crude / HFO cleaning)
- Inspection and repairs SOW development
- Statistical analysis of historical tank data for TLE
Inspection expertise
- API 650 / 651 / 652 / 653 certification
- In-house API 653 certified inspectors
- API 510 inspectors and API RP 579 fitness-for-service evaluations — including FEA of non-compliant defects
- Non-destructive testing certified inspectors; SNT-TC-1A manual in place
- NACE cathodic-protection service providers
- Turnkey management services
- Certification and reporting
- Drone-assisted tank inspection
- Floor settlement profile assessment
- Shell deformation out-of-round modelling and assessment
Projects
Oil refinery Tank Life Extension Program
Floating roof (IFR / EFR) and aluminium dome-roof engineering, innovative low-weld stair design for insulated shells, fully-shell-supported roof platforms, full-time site support and document management.
New storage tank — EPCM
Complete API 650 design, on-site construction management and QA, mechanical & electrical integration into existing facilities, pre-commissioning, foundation and pipe-support drawings, 3D model, piping stress analysis and process design.
New dye tanks
Two new blended dye-storage tanks with offloading-pump piping, loading-rack connections, support structures, overfill protection, roof agitators, instrumentation, plus decommissioning of existing tanks.
New ethanol tank
API 650 design with full PMC, sequential control narrative for automatic inventory management, loop & junction-box construction, foundation and 3D model, piping stress analysis and full process design from DBM to start-up.
Biodiesel blending tank
Conversion of an existing tank to biodiesel service, new offloading facilities and blending skids, P&ID / PFD / plot-plan development, fibre-optic comms upgrades, HAZOP review, multi-class cost estimates and start-up support.
New ethanol tanks (72′ × 56′)
API 650 detail engineering for two ethanol tanks — ventilation, material selection, seismic / wind / snow load calculations, construction drawings, start-up and commissioning support.
API-653 inspection & upgrades
New product piping, gauge hatch, roof nozzles, stilling well, sampling system, water draw-off line, diffusers, thermal-relief piping, cable-tray supports, anchor points and a new asphalt foundation with improved drainage.
API-653 inspection & upgrades
New side-entry mixer, sampling system, replacement of manholes, dismantled supports, replacement of isolation valves, valve-actuator overhaul, column adjustment, foam-line replacement and full re-coating.
API-653 inspection & upgrades
Replacement of internal floating roof and seals, optimised mixer placement, guardrail installation around the roof, radar replacement, new platform, strapping-table update, dismantling of obsolete equipment, hydrostatic test and foam-system inspection.