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Pipeline inspection checklist

About the Pipeline inspection checklist

Pipeline inspections involve a thorough assessment of the pipeline’s physical condition, performance, and compliance with standards. This pipeline inspection checklist gives you and your team an organized framework for standardizing assessments and documenting findings. Use it to simplify your workflow and improve compliance while boosting efficiency!

Ensuring integrity and safety with a pipeline inspection checklist

This checklist is a comprehensive tool for evaluating the condition of pipelines. It serves as a guide for inspectors to systematically check various aspects of the pipeline infrastructure, including its structural integrity, corrosion protection measures, operational efficiency, and compliance with regulatory requirements.

You’ll find prompts about the pipeline coatings, cathodic protection systems, leak detection systems, valve and fitting conditions, pressure testing records, and documentation of maintenance and repairs.

With the checklist, you can maintain the integrity and safety of pipeline systems. By conducting regular inspections using the checklist, operators can identify potential issues, such as corrosion, leaks, or mechanical damage, and take prompt corrective actions.

A step-by-step guide to using a pipeline inspection checklist

This tool allows you to capture essential data while saving time. Here’s how you can implement it effectively:

Customize the checklist to your needs. Tailor the template to match your specific pipeline system and inspection requirements. Remove irrelevant sections or add details unique to your operations, such as specific corrosion control methods or materials used.
Plan inspections and assign responsibilities. Before heading to the field, set clear expectations for the inspection. Use Lumiform to assign the checklist to yourself or team members and provide any additional instructions.
Collect detailed data in real-time. During the inspection, use a mobile device to fill out the checklist on-site. Take photos, add notes, or attach files to document findings thoroughly.
Review and take action. Once you’ve completed the checklist, review it for any issues requiring immediate attention. If you need to conduct repairs or maintenance, create action tasks directly in the app and assign them to the right team members.
Track progress and analyze results. Use Lumiform’s analytics tools to identify trends and recurring issues. This helps you make informed decisions and improve future inspections, keeping pipelines safe and working properly.

Your pipeline inspection process, made smarter

Streamline your pipeline inspections with a professional checklist designed to save you time and eliminate guesswork. With prompts for corrosion control, maintenance checks, and atmospheric evaluations, this template keeps your inspections thorough and consistent from start to finish. Start using the template to standardize reports, document findings clearly, and take actionable steps to address issues

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Preview of the template

Pipeline Inspection Checklist

Procedures

Are corrosion control procedures established?

Is there a program in effect to address corrosion problems on service lines?

Are there procedures for design?

Are there procedures for installation?

Are there procedures for operation?

Are there procedures for maintenance?

Do we have procedures established for examining exposed cast iron pipe for evidence of graphitization?

Do we have procedures established for remedial measures on cast iron pipe if graphitization is discovered?

Are these procedures under the responsibility of a qualified person?

Corrosion Control

Type of Pipeline

Is the pipeline cathodically protected if a corrosive environment exists?

Has it been demonstrated that corrosion during the 5-year period will not be detrimental to public safety?

Is the natural pH of the environment

Has the operator conducted tests or have the experience to indicate the aluminum pipeline suitability with its environment?

Have we shown by test, investigation, or experience that adequate corrosion control is provided by the alloy composition?

Are metal alloy fittings designed to prevent leakage caused by localized corrosion pitting?

Are buried pipelines electrically isolated from other underground structures?

Are buried segments externally coated & cathodically protected?

Have we proved that a corrosive environment does not exist?

Have we conducted tests within 6-months to confirm a non-existent corrosive environment?

Is protection provided to the pipelines against damage due to fault currents?

When we have knowledge that any pipeline is exposed, is the exposed pipe examined for evidence of corrosion or coating deterioration?

Is external corrosion requiring remedial action found?

Is the pipeline investigated circumferentially and longitudinally beyond the exposed portion to determine whether additional corrosion requiring remedial action exists?

Atmospheric Corrosion Control

Are insulating devices prohibited in areas where a combustible atmosphere is anticipated unless precautions are made to prevent arcing?

Have above ground facilities been cleaned and coated?

Is the coating material suitable for the prevention of atmospheric corrosion?

Do we inspect piping exposed to the atmosphere?

Do we give particular attention to the pipe at soil-to-air interfaces, under thermal insulation, under disbanded coating, at pipe supports, at deck penetrations, and in spans over water?

If atmospheric corrosion is found, does the operator provide protection against the corrosion?

Coating

Is the coating on steel pipe applied on a properly prepared surface?

Does the coating on steel pipe have sufficient adhesion to resist underfilm migration of moisture?

Is the coating on steel pipe sufficiently ductile to resist cracking?

Does the coating on steel pipe have sufficient strength to resist damage due to handling and soil stress?

Is the coating on steel pipe compatible with supplemental cathodic protection?

Is the external coating electrically insulating?

Does it have low moisture absorption and high electrical resistance?

Is the external coating inspected prior to lowering the pipe into the ditch and is any damage repaired?

Is external protective coating protected from damage resulting from adverse ditch conditions or damage from supporting blocks?

Cathodic Protection

Is the amount of cathodic protection controlled to prevent damage to the protective coating or the pipe?

Has each pipeline that is cathodically protected been tested?

Has each cathodic protection rectifier been inspected?

Test Stations

Are there sufficient test stations or test points?

Are test leads mechanically secure to the pipe and electrically conductive?

Are test leads attached to minimize stress concentration on the pipe?

Are each bared test lead wire and bared metallic area (at point of connection) coated with an electrically insulating material compatible with the pipe coating and insulation on the wire?

Remedial Measures

For each segment of transmission line with localized pitting to a degree where leakage might result, is the section of pipeline replaced, repaired, or have the operating pressure reduced?

For distribution lines with a remaining wall thickness less than 30 percent of the nominal wall thickness, do we replace or repair the pipe?

For distribution lines, do we replace or repair pipe with localized corrosion pitting?

Is each segment of cast iron or ductile iron pipe on which general graphitization is found to a degree where a fracture or any leakage might result, replaced?

Is each segment of cast iron or ductile iron pipe on which localized graphitization is found to a degree where any leakage might result, replaced or repaired, or sealed by internal sealing methods?

Monitoring

Do we check for the proper performance of each reverse current switch, diode, and interference bond whose failure would jeopardize structure protection?

Do we check for proper performance of other interference bonds?

Is prompt remedial action taken to correct any deficiencies indicated by the monitoring?

Are casing potentials monitored to detect the presence of shorts?

Do we investigate & take appropriate action when indications of casing shorts are found?

Do we monitor the system for stray currents and take appropriate steps to minimize detrimental effects?

Sign off

Additional Observations

Inspector Name & Signature

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Frequently asked questions

What are common signs of pipeline corrosion to look out for during an inspection?

Look for rust, discoloration, or flaking on the pipe surface, which can indicate external corrosion. Bulges or dents may suggest internal corrosion weakening the structure. Pay close attention to areas near joints, welds, or supports where moisture and debris tend to pile up.

What tools are commonly used in pipeline inspections?

Common tools include ultrasonic testing devices to measure wall thickness, borescopes for internal inspections, and coating thickness gauges. Infrared thermography can detect leaks or changes in temperature, while magnetic particle testing identifies cracks or flaws. For buried pipelines, you might use ground-penetrating radar (GPR) to locate and inspect without excavation.

How can I address atmospheric corrosion?

Focus on cleaning and recoating exposed sections regularly. Use coatings designed for your environment, such as epoxy or polyurethane, to protect against moisture and oxygen. Pay extra attention to areas where the pipe transitions from soil to air, as these spots are prone to corrosion.

This template, developed by Lumiform employees, serves as a starting point for businesses using the Lumiform platform and is intended as a hypothetical example only. It does not replace professional advice. Companies should consult qualified professionals to assess the suitability and legality of using this template in their specific workplace or jurisdiction. Lumiform is not liable for any errors or omissions in this template or for any actions taken based on its content.