OUR SERVICES

  • Tank Calibration Services

    GSS provides accurate and detailed measurement and calibration of large petroleum, fuel, and chemical cargo storage tanks. Tank Calibration includes shore tanks and ship tanks used for holding crude oil, refined petroleum products, LPG, LNG, and other wet or dry bulk cargoes. Using the latest technology for tank calibration, engineers and technicians are equipped with state-of-the-art measuring devices. GSS measures and calibrates tanks of various shapes, sizes and designs. Loss Control investigations are available from seasoned experts with years of industry experience.

  • Storage tank calibration:

    • Horizontal and Vertical Land Tanks Calibration
    • Internal and external tank calibration by EODR (Electro-Optical Distance Ranging)
    • Pipeline Volume Calculations
    • Custody Transfer Systems (CTS)
    • Ship and Barge Tank Volume Calculations

  • Petroleum and chemical storage tanks calibrated:

    • Vertical Tanks
    • Horizontal Tanks
    • Spherical Tanks
    • Cylindrical Tanks
    • Double-wall Tanks
    • Fixed Roof Tanks
    • Floating Roof Tanks
    • Domed Roof Tanks
    • Conical Roof Tanks
    • LNG Tank Calibration

Measurements include detailed assessments of wall verticality roundness and shape, along with roof & floor profiles. Tank calibrations are conducted to the exacting requirements of the appropriate international standards published by the International Standards Organisation (ISO). Detailed volumetric tables are compiled for each tank and can be formatted according to the client’s requirements. Comprehensive tables can incorporate any standard units of measure for size, volume or both.

  • Tanks Calibration and Strapping
    • Manual Strapping method for Tanks Internal and External Measurements
    • ORIL(Optical Reference Line) method
    • Petrochemical and Process Tanks Calibration which include:
    • Vertical, Horizontal, Cylindrical and double walled Tanks underground or aboveground
    • Fixed, Floating, Doomed and conical Tanks
    • Custody Transfer Systems
    • Tanks calibration are conducted in accordance with appropriate API, ISO and other relevant recognized local standards
Pipeline Measurements
  • Pipeline volume calculations
  • Road and Rail Tankers Calibration
    • Compartments calibration by water fill method
    • Liquid calibration method
    • Custody Transfer Systems (CTS)
    • Dipstick, Gauge strips and Ullage bars manufacture
  • Other Services
    • Regular scheduled greasing and maintenance programs of metering and measurement equipment & tools
    • Bulk flow meters rebuild and assembly
    • Fuel dispensing pumps rebuild and assembly
    • Making and marking of graduated volume indicating level sections on process vessels and tanks
    • Supply and fit of graduated volume sections and product observation tubes on process vessels and tanks
    • Product support services for sales and supply of fuel hoses, couplings and fittings
    • Supply of tools, equipment and accessories for the Petroleum Industry
    • Supply of graduated aluminium and wooden dipsticks
    • Supply of high carbon steel tapes and floating dip chains for the petroleum and processing industries
    • Storage Tanks and Road Tankers high pressure cleaning & Cleanliness Inspection
    • Storage Tanks and Road Tankers complete integrity test, pneumatics or hydraulic pressure testing.