Tank, Pressure vessel and Piping Inspection
Tank, Pressure vessel and Piping Inspection
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    • About Us
    • Our Services
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    • Contact Us
    • West Virginia AST systems
    • WV AST Inspection cycles
    • WV Tank closure guidance
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  • Home
  • About Us
  • Our Services
  • Industries
  • Contact Us
  • West Virginia AST systems
  • WV AST Inspection cycles
  • WV Tank closure guidance
Call Now

Authorized Inspection Services

Our highly certified inspectors provide in-depth expertise in critical asset integrity standards, ensuring compliance, safety, and extended operational life for your essential infrastructure.

 

M&A Due Diligence & Asset Audits

For private equity firms, investors, and companies considering an acquisition, we provide comprehensive Mechanical Integrity Audits. Our detailed, on-site assessments uncover the true condition of critical assets like tanks, vessels, and piping. We deliver a clear, data-driven report that identifies hidden liabilities, forecasts future capital expenditures (CapEx), and gives you the confidence to make a sound, multimillion-dollar investment decision.


Expert Investigation & Litigation Support

For the most critical situations, we provide authoritative, unbiased analysis when clarity and credibility are paramount. Our deep, field-proven expertise is sought after for complex incident investigations and to provide powerful expert witness testimony for legal and insurance matters. We deliver clear, definitive analysis to help you navigate your most challenging circumstances.

 

API 653 - Tank Inspection

Inspection, repair, alteration, and reconstruction of aboveground storage tanks. We assess tank integrity for **all forms of corrosion (e.g., pitting, crevice, general, microbiologically influenced corrosion - MIC), various types of cracking (e.g., stress corrosion cracking, brittle fracture, fatigue cracking), shell distortions, foundation settlement, and other environmental degradation mechanisms**. We also specialize in **MFL (Magnetic Flux Leakage) floor scanning** to detect corrosion and pitting on tank bottoms, ensuring safe containment and compliance.

**Application:** Essential for bulk storage terminals, processing plants, chemical facilities, and any industry with large aboveground storage tanks.

 

WV DEP Fitness for Service (FFS) Inspections

Chem Inspection provides specialized Fitness-for-Service (FFS) evaluations and inspections specifically for **aboveground storage tanks** to meet the requirements of the West Virginia Department of Environmental Protection (WV DEP). These inspections are specifically required for regulated Level 1 and Level 2 tanks, and they determine if an aboveground tank with known flaws or damage can continue to operate safely for a specified period, in compliance with WV DEP regulations and relevant industry standards.

**Application:** Essential for any industrial facility in West Virginia with **aboveground storage tanks** that contain products which, if spilled, could affect water quality. This includes, but is not limited to, the oil & gas, chemical processing, and manufacturing sectors, ensuring regulatory compliance, environmental protection, and continued safe operation of assets.

 

WV AST Closure Plans

Chem Inspection offers expert services in developing and implementing Aboveground Storage Tank (AST) Closure Plans in accordance with West Virginia Department of Environmental Protection (WV DEP) regulations. Our team ensures that tank closure activities, whether temporary or permanent, are executed safely, efficiently, and in full compliance with state environmental guidelines, minimizing environmental impact and regulatory liabilities.

**Application:** Crucial for industrial facilities in West Virginia undergoing tank decommissioning, abandonment, removal, or temporary closure. This includes, but is not limited to, sites in the oil & gas, chemical, and manufacturing industries that need to ensure responsible and compliant management of ASTs at the end of their operational life or during extended periods of inactivity.


API 510 - Pressure Vessel Inspection

Inspection, repair, alteration, and rerating of in-service pressure vessels. Our inspections identify critical damage mechanisms including **various forms of cracking (e.g., stress corrosion cracking, fatigue cracking, hydrogen-induced cracking), localized and general corrosion, erosion, and environmental damage modes such as embrittlement and high-temperature creep** to ensure structural integrity and safe operation.

**Application:** Critical for gas processing plants, petrochemical facilities, power generation plants, and other industries utilizing pressure vessels.

API 570 - Piping Inspection

Inspection, repair, alteration, and rerating of in-service piping systems. We are adept at evaluating piping integrity, identifying various degradation mechanisms such as **corrosion (including corrosion under insulation - CUI and microbiologically influenced corrosion - MIC), internal erosion, various types of cracking (e.g., stress corrosion cracking, thermal fatigue cracking, brittle fracture), mechanical damage, and other environmental degradation issues like hydrogen damage or high-temperature creep**, which are crucial for ensuring the safe and efficient transport of gases and liquids across your operations.

**Application:** Crucial for all pipeline networks, plant piping systems across petrochemical, power generation, and other industrial sectors.

 

STI - SPFA Tank Inspection

Inspection and certification of shop-fabricated storage tanks.

**Application:** Relevant for smaller, shop-fabricated fuel and chemical storage tanks typically found at various industrial sites.

 

FRP Inspection (Fiberglass Reinforced Plastic)

Specialized inspection for Fiberglass Reinforced Plastic (FRP) equipment, including tanks, piping, and ducts. This involves visual inspection for defects, delamination, **various types of cracking (e.g., stress cracking, fatigue),** fiber exposure, resin degradation, blistering, and **environmental degradation modes specific to composites (e.g., chemical attack, UV degradation, osmotic blistering, thermal cycling effects)**. We utilize a combination of advanced visual inspection techniques and NDT methods specifically adapted for composites to assess structural integrity.

**Application:** Essential for industries utilizing FRP assets for corrosive environments or specific process requirements, such as chemical processing, water treatment, and certain applications in petrochemical and power generation where FRP is preferred over metallic alloys.

 

Glass-Lined Equipment Inspection

Specialized inspection services for glass-lined reactors, storage tanks, and piping, critical for maintaining their integrity in highly corrosive or sensitive process environments. Our inspections focus on detecting common defects such as cracks, chips, pinholes, thermal shock damage, **mechanical impact damage, and erosion/corrosion due to process conditions. We also identify failures related to agitation, baffle damage, or issues stemming from improper cleaning or temperature differentials**; often utilizing visual, spark testing, and other non-invasive methods.

**Application:** Crucial for the pharmaceutical, chemical processing, and specialty chemical industries where resistance to corrosion and product purity are paramount. Ensures safe and efficient operation of glass-lined equipment used for aggressive chemical reactions, storage, or transport.

Replacement Equipment Data Plates

Chem Inspection provides services for the creation and certification of replacement data plates for pressure vessels, tanks, heat exchangers, and other code-stamped equipment. This is crucial when original data plates are missing, damaged, or when equipment has been rerated, altered, or reconstructed, ensuring that the critical operating parameters and design information are accurately displayed and comply with ASME or API codes.

**Application:** Essential for any facility, including those in the oil and gas sector, needing to maintain accurate, up-to-date documentation and physical identification for their code-stamped assets. This is particularly important for regulatory compliance, insurance purposes, and safe operational management in industries like chemical processing, petrochemical, and power generation. 





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Comprehensive Non-Destructive Testing (NDT) Services

Ultrasonic Testing (UT)

Magnetic Particle Testing (MT)

Ultrasonic Testing (UT)

 

Utilizes high-frequency sound waves to detect internal flaws, measure material thickness, and characterize weld integrity.

**Application:** Pipeline inspection (corrosion mapping, wall thickness measurement), pressure vessel integrity, and weld inspections.

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Penetrant Testing (PT)

Magnetic Particle Testing (MT)

Ultrasonic Testing (UT)

 

A surface inspection method for detecting surface-breaking discontinuities in non-porous materials.

  • **Visible Penetrant Testing:** Uses visible penetrant and developer.
  • **Fluorescent Penetrant Testing:** Utilizes penetrant that fluoresces brightly under UV light for enhanced sensitivity.

**Application:** Inspecting welds, castings, forgings, and machined components for surface defects.

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Magnetic Particle Testing (MT)

Magnetic Particle Testing (MT)

Magnetic Particle Testing (MT)

 

Detects surface and near-surface discontinuities in ferromagnetic materials using magnetic fields and particles.

  • **Dry Powder MT:** For rougher surfaces or field applications.
  • **Wet Fluorescent MT:** Uses fluorescent particles suspended in liquid, viewed under UV light for high sensitivity.
  • **Wet Non-Fluorescent (Visible) MT:** Uses visible particles in liquid, viewed under white light.

**Application:** Common for inspecting welds, structural components, and pressure vessel surfaces for cracks and other discontinuities.

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Remote Visual Inspection (RVI)

Remote Visual Inspection (RVI)

Magnetic Particle Testing (MT)

 

Utilizes specialized cameras, videoscopes, borescopes, and robotic systems to perform visual inspections in inaccessible or hazardous areas. This non-invasive method allows for detailed examination of internal components, pipelines, vessels, and confined spaces without direct human entry.

**Application:** Ideal for inspecting confined spaces (tanks, vessels), long piping runs, heat exchanger tubes, internal boiler surfaces, and any area too small, dangerous, or remote for human entry. Reduces downtime, improves safety, and provides high-resolution visual documentation of asset condition.

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Drone Inspection (UAV)

Remote Visual Inspection (RVI)

Drone Inspection (UAV)

 

Utilizes remotely piloted aircraft with various sensors to inspect hard-to-reach or hazardous areas.

**Application:** Inspecting pipelines, flare stacks, tanks (external), high-elevation structures, confined spaces (pre-entry visual), and overall site surveillance.

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Spark Testing

Remote Visual Inspection (RVI)

Drone Inspection (UAV)

 

A non-destructive method used to detect pinholes, cracks, **holidays**, and other discontinuities in non-conductive linings (such as glass, rubber, or plastic) applied to conductive substrates (like steel). A high-voltage probe is passed over the lined surface; a spark indicates a breach in the lining.

**Application:** Critical for inspecting glass-lined reactors, tanks, and piping in chemical, pharmaceutical, and other industries where lining integrity is essential for corrosion protection and product purity. Ensures the reliability of protective coatings on process equipment.

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Thermography (IRT)

Brinell Hardness Testing (HB)

 

Uses infrared cameras to detect temperature variations, indicating anomalies.

**Application:** Electrical system inspections, refractory lining inspections, insulation integrity assessment, steam trap surveys, and leak detection (optical gas imaging).

Brinell Hardness Testing (HB)

Brinell Hardness Testing (HB)

 

A widely used method to determine the hardness of a material by indenting the surface with a hardened steel or carbide ball under a specified load. The hardness number is calculated from the size of the indentation.

**Application:** Quality control in manufacturing, material selection, verifying heat treatment processes, assessing material degradation (e.g., creep, hydrogen embrittlement), and ensuring mechanical properties meet design specifications for components in various industrial settings.

Vacuum Box Testing

Vacuum Box Testing

 

A non-destructive method used to detect leaks in the bottom plates and seams of storage tanks. A vacuum box is placed over the area to be inspected, a vacuum is created, and a liquid (often a bubble-forming solution) is applied to the outside. Bubbles indicate a leak through the tank bottom or weld.

**Application:** Primarily used for inspecting the integrity of tank bottoms, especially for aboveground storage tanks (ASTs) in the oil & gas, chemical, and petrochemical industries. It is a critical method for ensuring environmental protection and preventing product loss from tank floor leaks.

Detailed Permanent & Temporary Repair Plans

Comprehensive Repair Strategies

 Leveraging our extensive inspection findings and engineering expertise, Chem Inspection provides comprehensive, code-compliant repair plans designed to restore the integrity and functionality of your industrial assets, ensuring safe and extended operation.

  

Comprehensive Repair Strategies

At Chem Inspection, we understand that maintaining the integrity of your assets is paramount. Following our detailed inspections and fitness-for-service assessments, we develop precise repair plans for a wide range of equipment, including pressure vessels, piping systems, and storage tanks. Our plans differentiate between:

  • **Permanent Repairs:** Designed for long-term restoration of asset integrity, bringing the equipment back to its original design specifications or an equivalent level of safety and reliability. These often involve welding, fabrication, or comprehensive component replacement.
  • **Temporary Repairs:** Implemented for short-term fixes to allow for continued safe operation until a permanent repair can be executed during a planned outage or when a replacement is procured. Temporary repairs are always designed with strict safety margins and a defined maximum operational period.

Compliance and Customization:

All our repair plans are meticulously crafted to ensure full compliance with the latest industry codes and standards, such as API (e.g., API 510, API 570, API 653), ASME (e.g., BPVC Sections VIII, IX), and relevant national/international regulations. Furthermore, we integrate your company's specific internal policies, procedures, and operational requirements into each plan, providing tailored solutions that meet your unique needs while upholding the highest safety and quality benchmarks.

Key Components of Our Repair Plans:

  • Detailed repair procedures and methodologies.
  • Specification of materials and welding consumables.
  • Required Non-Destructive Testing (NDT) hold points and acceptance criteria.
  • Quality control (QC) and quality assurance (QA) measures.
  • Risk assessments associated with the repair process.
  • Post-repair inspection and testing requirements.
  • Documentation and record-keeping guidelines.


Detailed Shop Quality Assurance & Quality Control (QA/QC) Se

Chem Inspection offers comprehensive Shop QA/QC services to ensure that newly fabricated or repaired

  Chem Inspection offers comprehensive Shop QA/QC services to ensure that newly fabricated or repaired tanks, piping, and vessels meet the highest standards of quality, integrity, and compliance with applicable construction codes and specifications. Our independent QA/QC oversight provides clients with confidence in the structural soundness and operational reliability of their assets before they are placed into service. 


Overview of Shop QA/QC

Our shop QA/QC services encompass systematic monitoring and verification activities throughout the fabrication process, from material receipt to final inspection and documentation. We focus on preventing defects, ensuring adherence to design specifications, and verifying the proper application of manufacturing and testing procedures.

Key Activities:

  • **Material Verification:** Review and verification of material test reports (MTRs) to ensure materials conform to specified grades and standards.
  • **Welding Procedure Qualification Review:** Oversight and verification of welding procedure specifications (WPS) and welder performance qualifications (WPQ/PQR) to ensure compliance with ASME Section IX or other relevant codes.
  • **Visual Inspection (VT):** Continuous visual inspection of fabrication stages, including fit-up, welding, and post-weld conditions, to identify surface defects, dimensional non-conformances, and other discrepancies.
  • **Non-Destructive Testing (NDT) Oversight & Witnessing:** Ensuring that all required NDT (e.g., UT, RT, MT, PT, ET) is performed by qualified personnel, using approved procedures, and that results meet acceptance criteria. This includes witnessing NDT activities as specified by project requirements.
  • **Dimensional Verification:** Verification of critical dimensions, alignments, and tolerances against design drawings and specifications.
  • **Hydrostatic / Pneumatic Test Witnessing:** Witnessing and verifying the proper execution of pressure tests (hydrostatic or pneumatic) to confirm the integrity and leak-tightness of tanks, piping, and vessels.
  • **Coating and Lining Inspection:** Inspection of surface preparation and application of protective coatings and linings to ensure proper corrosion protection.
  • **Final Documentation Review:** Comprehensive review of manufacturer's data reports (MDRs), inspection and test plans (ITPs), NDT reports, and other quality records to ensure completeness and compliance.

Applicable Construction Codes & Standards:

  • **NBIC (National Board Inspection Code):** For repairs and alterations of pressure-retaining items.
  • **ASME Boiler and Pressure Vessel Code (BPVC):** Sections covering pressure vessels (e.g., Section VIII), welding and brazing qualifications (Section IX), piping (e.g., B31.1, B31.3), etc.
  • **API (American Petroleum Institute) Standards:** Such as API 620, API 650 for welded storage tanks, etc.
  • **UL 142:** Standard for Steel Aboveground Tanks for Flammable and Combustible Liquids.
  • **AWS (American Welding Society) Standards:** For welding processes and qualifications.
  • **Client-Specific Engineering Specifications.**

**Application:** Essential for clients fabricating new equipment or performing major repairs/alterations on existing tanks, piping systems, and pressure vessels. This includes manufacturers, fabricators, and end-users in sectors such as oil & gas, petrochemical, chemical, power generation, and manufacturing who require independent verification of quality and code compliance.

Detailed Asset Rerating & Fitness for Service Evaluations

  Maximize the operational flexibility and lifespan of your existing equipment. Chem Inspection provides expert rerating and Fitness for Service (FFS) evaluations for pressure vessels, tanks, and piping systems, ensuring continued safe and compliant operation under new conditions or after identifying anomalies. 


Equipment Rerating (API 510, 570, 653 Compliance)

Rerating involves changing the design temperature, pressure, or maximum allowable working pressure (MAWP) of existing pressure vessels, piping, or storage tanks. This process is essential when:

  • There's a change in process conditions or service requirements.
  • The equipment is being relocated to a new application.
  • The existing design margins are being reviewed for optimization.
  • To justify continued operation based on current wall thickness or metallurgical changes.

Chem Inspection's certified inspectors and engineers perform thorough rerating assessments in strict accordance with relevant API codes (API 510 for vessels, API 570 for piping, API 653 for tanks) and ASME standards. Our process includes:

  • Detailed review of original design documents and construction codes.
  • Comprehensive inspection data analysis, including corrosion rates and remaining life calculations.
  • Stress analysis and recalculation of design parameters for new conditions.
  • Issuance of new design sheets and, if required, updated data plates.

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