Quality Assurance Services

Dedicated to enhancing project quality in refinery and related industries through expert oversight.

Onsite Quality Inspections
A laboratory setting featuring a water purification system with the brand name Rephile displayed on it. The setup includes a control unit with a digital display screen and an attached dispenser with a control panel. The background shows lab shelves and equipment, indicating a clean, sterile environment.
A laboratory setting featuring a water purification system with the brand name Rephile displayed on it. The setup includes a control unit with a digital display screen and an attached dispenser with a control panel. The background shows lab shelves and equipment, indicating a clean, sterile environment.

Thorough evaluations to ensure compliance and excellence in your projects and operations.

A person in a high-visibility jacket is observing a large industrial furnace that is emitting a bright orange glow. The furnace is situated in an industrial setting with metal structures surrounding it. Ash or debris is visible in a container beneath the furnace.
A person in a high-visibility jacket is observing a large industrial furnace that is emitting a bright orange glow. The furnace is situated in an industrial setting with metal structures surrounding it. Ash or debris is visible in a container beneath the furnace.
A large industrial setting with intricate piping and machinery connected by large white pipes supported by a yellow metal framework. The environment appears to be part of an offshore platform or processing facility.
A large industrial setting with intricate piping and machinery connected by large white pipes supported by a yellow metal framework. The environment appears to be part of an offshore platform or processing facility.
Vendor Surveillance

Monitoring vendor performance to maintain high standards and quality throughout the supply chain.

Tailored strategies to improve quality assurance / quality control processes and project outcomes effectively.

Expert Quality Consulting Services

Quality Assurance

We ensure quality in refinery projects through dedicated services.

A large industrial fuel tanker truck is parked at a loading station. The truck is positioned under a roofed structure with supporting pillars. There are two visible tanks labeled 'Industri' and 'Solar'. Nearby, a fire extinguisher is mounted on a platform. There are traffic cones and safety signs present, suggesting a controlled environment. Some people are present in the background, wearing work-related clothing.
A large industrial fuel tanker truck is parked at a loading station. The truck is positioned under a roofed structure with supporting pillars. There are two visible tanks labeled 'Industri' and 'Solar'. Nearby, a fire extinguisher is mounted on a platform. There are traffic cones and safety signs present, suggesting a controlled environment. Some people are present in the background, wearing work-related clothing.
Onsite Contracts

Our onsite contracts provide tailored quality assurance solutions for refinery and related industries, ensuring compliance and excellence throughout your project lifecycle.

Industrial setting featuring large metallic tanks and pipelines, with a central walkway made of metal grating and smaller machinery visible near the floor.
Industrial setting featuring large metallic tanks and pipelines, with a central walkway made of metal grating and smaller machinery visible near the floor.
Vendor Surveillance

Our vendor surveillance services monitor and evaluate suppliers to ensure they meet quality standards, enhancing project reliability and performance in the refinery sector.

birds eye photography of concrete structure
birds eye photography of concrete structure
Consulting

“Our team is here to help with developing your programs. Specializing in vendor surveillance, welding inspection, and fabrication oversight—JOHNSTEDT delivers QA/QC consulting that protects your bottom line.”