S O L U T I O N S .

Tank Bottom Profile Survey.

Tank Bottom Profile Survey.

Tank Bottom Profile Survey


  • Explain in  detail about the Tank Bottom Profile Survey.
  • What is the need for Tank Bottom Profile Survey in NDT
  • Write a paragraph in detail about the significance and benefits of Tank Bottom Profile Survey
  • Write a paragraph in detail about the applications of Tank Bottom Profile Survey.
  • How it differs from other NDT techniques


A tank bottom profile survey is a non-destructive testing method used to evaluate the state of a storage tank’s bottom, either an above-ground or underground tank. This inspection is done to look for signs of degradation in the tank bottom, such as corrosion, pitting, cracks, and other issues. Advanced ultrasonic testing tools, such as robotic crawlers and scanners, are frequently used in tank bottom profile surveys to inspect the tank bottom. The apparatus is made to create ultrasonic waves that can pass through the tank’s surface and bounce back when they run into a metal discontinuity. In order to gauge the metal’s thickness, the tank’s bottom is divided into a grid pattern and measurements are taken at each intersection. A map of the tank bottom is made using the thickness measurements, emphasizing regions of thinning and potential corrosion. The survey findings can then be used to estimate the tank’s remaining life and assist in identifying any upkeep or maintenance tasks that are required. Predicting the life expectancy of the tank in the future and planning maintenance and replacement are two further uses for the survey data.

Tank bottom profile surveys are required in non-destructive testing (NDT) since storage tanks are essential parts of several industries, including the oil and gas, chemical, and water treatment ones. These tanks are made to carry a lot of liquids, gases, and other materials, but they will eventually degrade in different ways. Due to its frequent exposure to the environment and the stored material, the tank’s bottom is especially prone to corrosion, pitting, and other types of damage. These problems constitute a serious safety risk and may affect the tank’s structural integrity. Regular inspections and maintenance are required for a storage tank to operate safely. The Tank Bottom Profile Survey is a crucial step in this procedure since it offers a non-destructive way to assess the state of the tank bottom. The survey data can be used to locate regions of thinning, corrosion, and other types of tank bottom damage. To ensure the tank’s continuing safe operation, this information is then used to make educated decisions about repairs or maintenance. Furthermore, as part of the programme for tank inspection and maintenance, regulatory bodies frequently demand Tank Bottom Profile Survey. This requirement aims to guarantee that storage tanks are properly maintained and that any possible concerns are recognised and swiftly remedied.

In comparison to other NDT techniques, tank bottom profile survey has a more narrowly focused examination region, specialized inspection tools, and a different inspection process. Tank Bottom Profile Survey, as opposed to other methods, is created especially to assess the state of storage tanks’ bottoms. Other NDT methods, such radiographic or ultrasonic testing, are used to examine different components of a structure, including joints or welds. On the other side, the Tank Bottom Profile Survey aims to assess the state of the tank bottom. Tank Bottom Profile Survey calls for specialized tools like robotic crawlers and scanners that are made to examine tank bottoms. Other NDT methods employ separate machinery not intended for tank bottom examination, such as X-ray machines or ultrasonic probes. To build a map of the tank’s condition, a tank bottom profile survey measures the thickness of the tank bottom at various sites. Other NDT approaches employ various procedures, such as looking for fractures or material discontinuities. An evaluation of the tank bottom’s condition, the identification of potential dangers, and the planning of maintenance and repairs are the goals of the tank bottom profile survey. The strength of a material can be determined or faults can be found using other NDT techniques, among other things.

Numerous sectors, including oil and gas, chemical, and water treatment, can use tank bottom profile surveys. Crude oil, refined goods, and chemicals are all kept in storage tanks in the oil and gas sector. The survey can be used to evaluate the state of the bottoms of these tanks, which are vulnerable to corrosion because of the contents they contain. The survey results can be applied to maintenance and repair plans in order to prolong tank life and avoid catastrophic failures. Storage tanks are used in the chemical industry to hold a variety of chemicals that might degrade the tank bottom through corrosion, pitting, and other processes. The condition of these tanks can be evaluated using a tank bottom profile survey, which can also show which parts require replacement or repair. Additionally, the survey can aid in preventing environmental deterioration and guaranteeing conformity with legal standards. Water and other fluids are kept in storage tanks in the water treatment sector. Due to the high moisture level of the stored substance, the tank bottoms may corrode. The condition of these tanks can be evaluated, and possible concerns can be identified, using a tank bottom profile survey. Additionally, the assessment can ensure that the tanks continue to function safely and prevent contamination of the water that has been stored.

The value and advantages of a tank bottom profile survey are extensive. First and foremost, by detecting potential dangers and mitigating them before they result in catastrophic failures, this survey contributes to the tank’s safety. The survey data can be used to schedule maintenance and repairs, estimate how much longer the tank will last, and discover corrosion, pitting, and other types of degradation in the tank bottom. Through the detection of leaks in the tank bottom that can cause the release of hazardous materials, tank bottom profile surveys can also aid in the prevention of environmental pollution. Regular surveys can also aid in lowering the danger of unscheduled shutdowns, which can be expensive for businesses. Compliance with legal standards is a key feature of tank bottom profile surveys. To make sure the tanks are properly maintained and operated safely, several regulatory bodies mandate that storage tank owners and operators carry out routine inspections, including Tank Bottom Profile Survey.

An important aspect of tank inspection and maintenance is the tank bottom profile survey. Regular inspections can increase the lifespan of a storage tank and assist prevent catastrophic tank failures. They are frequently carried out as part of a tank integrity evaluation programme and are ordinarily required by regulatory organisations. It is essential for ensuring that storage tanks operate safely and dependably, for preventing environmental pollution, for cutting costs, and for meeting regulatory requirements. It is a useful instrument for guaranteeing the safe and dependable operation of these crucial components because it is specifically made to evaluate the state of storage tank bottoms.

Tank Dimensional Profile Survey – We specialise in surveys for tank bottom, foundation settlement, shell roundness, structural column & more.