Professional Tank Cleaning Service by BDNDT
A good news for CNG & Fuel Station Owner now BDNDT provides professional physical cleaning services for underground fuel storage tanks at Fuel Stations and CNG Stations. Our cleaning process is designed to remove accumulated sludge, dirt, deposits, contaminants, and surface corrosion, helping maintain a clean and serviceable tank condition.
Scope of Work
- Site Visit & Initial Assessment
- Visit the Fuel/CNG Station and assess the tank and surrounding area.
- Review the tank condition and available access points.
- Identify visible sludge, dirt, deposits, water accumulation and corrosion.
- Plan the cleaning activities based on the tank condition and site requirements.
- Safety Preparation & Tank Isolation
- Establish the required work-zone and safety controls.
- Ensure the tank is properly isolated from the operating system before cleaning.
- Follow applicable site safety requirements, work permits and confined-space procedures where applicable.
- Carry out atmospheric/gas testing and other safety checks as required before personnel enter the tank.
- Manual Removal & Initial Cleaning
- Remove accumulated sludge, sediment, dirt, debris and other solid contaminants manually.
- Collect and remove the waste material from the tank in a controlled manner.
- Perform an initial water-based cleaning of accessible internal surfaces.
- Surface Cleaning & Corrosion Treatment
- Thoroughly clean internal tank surfaces using suitable tools and cleaning methods.
- Identify areas affected by rust/corrosion.
- Remove loose rust and surface contaminants using appropriate mechanical/manual cleaning methods.
- Where required, apply suitable rust-removal or surface-treatment procedures according to the condition of the tank.
- Detergent / Cleaning Powder Application
- Apply suitable industrial-grade detergent/cleaning powder to the internal surfaces.
- Allow sufficient cleaning action to loosen oil residue, deposits, grease and contaminants.
- Mechanically agitate/scrub the affected surfaces where required for effective cleaning.
- Water Jet / Final Washing
- Thoroughly wash the internal surfaces using clean water and suitable water-jet cleaning methods.
- Remove remaining detergent, loosened deposits, sludge and contaminants.
- Continue washing until the internal surfaces are visibly clean.
- Final Cleaning & Waste Removal
- Remove remaining water, sludge and waste materials from the tank.
- Ensure no significant cleaning residue or loose contaminants remain inside the tank.
- Dispose of collected waste in accordance with applicable site/environmental requirements.
- Final Visual Inspection
- Conduct a final visual inspection of the cleaned tank surfaces.
- Check the tank bottom, shell, ends, internal fittings and accessible areas.
- Record any visible corrosion, coating deterioration, pitting, damage or other abnormal conditions.
- Completion & Handover
After completion of cleaning and inspection, the tank will be handed over in a clean and serviceable condition, subject to the agreed scope of work and inspection findings.
Suitable For
- Underground Diesel Storage Tanks
- Petrol/Gasoline Storage Tanks
- Fuel Station Underground Tanks
- CNG Station Storage/Associated Tanks, where applicable
- Industrial Fuel Storage Tanks
