Ven-Tech Subsea is a trusted provider of specialized contaminated diving services across Canada. We serve municipal, industrial, and infrastructure sectors that operate in hazardous or biologically compromised underwater environments. Whether you’re dealing with raw sewage, chemical exposure, or hydrocarbon-impacted sediment, our CSA-certified commercial diving teams are trained, equipped, and prepared to operate safely and efficiently in all contaminated water diving scenarios.
Contaminated diving involves a significantly higher level of risk, requiring strict adherence to safety regulations, specialized procedures, and the use of fully encapsulated diving systems. At Ven-Tech Subsea, we offer expert-level support for clients requiring emergency response, planned maintenance, or inspection tasks in environments classified as Type I, Type II, or Type III contaminated waters.
Ven-Tech Subsea delivers safe, CSA-compliant contaminated diving services for high-risk infrastructure across Canada. Whether for emergency repairs or routine maintenance, we operate in hazardous environments with zero compromise on safety or compliance.
Typical environments include:
Municipal sewage and stormwater tanks
Industrial lagoons and effluent basins
Marine outfalls, weirs, and discharge structures
Oil-impacted zones and containment areas
Tailings ponds and leachate lagoons
Confined spaces with hydrocarbon or biohazard exposure
All operations follow CSA Z275.2 and WorkSafe BC requirements for diving in Types I–III contaminated settings.
Certified to work in high-risk, hazardous environments safely and efficiently.
Sealed suits, backup air, and strict decon protocols protect our teams.
We inspect and repair without draining or disrupting your systems.
Emergency-ready teams mobilized across Canada anytime, anywhere.
Our contaminated diving operations are managed by senior CSA-certified supervisors and performed by experienced divers trained in HAZMAT, confined space, and biohazard control. We deploy:
Fully sealed surface-supplied diving systems
Encapsulated suits and sealed helmets with redundant systems
Inline filtration, diver communication, and video documentation
Decontamination trailers and chlorine washdown protocols
Real-time exposure tracking and DSP documentation
ATHENA™ digital HSE integration for full compliance transparency
Each project includes a Dive Safety Plan, JHA, and zone control protocol (Hot/Warm/Cold zone setup) with clearly defined decontamination stages and supervisor oversight.
We mobilize with purpose-built assets engineered for contaminated environments:
Kirby Morgan sealed helmet systems with positive pressure
Vulcanized rubber dry suits with sealed cuffs and boots
Contamination-rated umbilicals and lifelines
CCTV diver cams and helmet comms
ROVs & Pipe Crawlers for remote work in environments unsafe for entry
Mobile decon stations for equipment, personnel, and HAZMAT control
In severe risk environments, we deploy ROVs (Remotely Operated Vehicles) for visual assessments, sonar surveys, or manipulator-based sampling—allowing for no-entry inspections where required.
CSA Z275.2 and WorkSafe BC Part 24 Compliant
Proven track record with municipal and industrial contaminated diving
Documented Dive Safety Plans and client-ready inspection reports
Emergency availability and remote deployment capabilities
Full coverage liability insurance and WCB clearance
Integration with your internal safety and QA/QC teams
When health and environmental risk is high, you need a partner that knows how to work smart, work safe, and deliver quality results with full regulatory compliance.
At Ven-Tech Subsea Inspections, we operate with the highest level of integrity, professionalism, and regulatory compliance across all sectors we serve. Our company is proudly certified and recognized by leading compliance and safety organizations, including BCCSA COR® Certification, ISNetworld Member Contractor status with ESG badge, Avetta Approval, Cognibox Certification, and Alcumus SafeContractor Accreditation. We are also fully compliant with AWWA C652-19 for potable water systems and NFPA 25 standards for fire suppression infrastructure.
These certifications demonstrate our deep commitment to environmental responsibility, workplace safety, and operational excellence. Our ESG recognition through ISNetworld further reflects our focus
Avetta is a company that provides supply chain risk management services, including pre-qualification and certification of contractors and suppliers. Companies that are Avetta approved have undergone a thorough vetting process and have been deemed to meet the high safety and compliance standards set by Avetta.
There are several reasons why a company might choose to work with an Avetta approved contractor or supplier. One reason is to ensure that they are working with a company that has a demonstrated commitment to safety and compliance. By partnering with an Avetta approved company, a company can reduce the risk of accidents, injuries, and regulatory violations on their job sites.
Another reason is that many companies require their contractors and suppliers to be Avetta approved in order to do business with them. This is particularly common in industries such as construction, oil and gas, and manufacturing, where safety is of the utmost importance. By working with an Avetta approved company, a company can more easily meet the requirements of their clients and partners.
Overall, choosing an Avetta approved company can provide peace of mind and help a company meet its own safety and compliance standards. It can also help a company stay competitive in its industry by demonstrating a commitment to safety and compliance.
Cognibox is a web-based solution that helps companies manage their workforce and contractors in terms of health and safety, compliance, and training. Here are some of the benefits of using a company that uses Cognibox:
Improved compliance: Cognibox ensures that companies comply with legal and regulatory requirements related to health and safety, environment, and quality. By using Cognibox, companies can maintain a high level of compliance and avoid penalties or legal issues.
Better risk management: Cognibox helps companies manage risks associated with their operations, especially those related to the use of contractors. Cognibox provides a platform for verifying contractor compliance, including insurance coverage, training, and certifications.
Enhanced safety performance: Cognibox helps companies improve their safety performance by providing a comprehensive set of tools for managing health and safety, including risk assessment, incident reporting, and corrective actions. By using Cognibox, companies can reduce accidents, injuries, and fatalities in the workplace.
Increased efficiency: Cognibox streamlines the process of managing contractors, reducing administrative burdens, and improving efficiency. With Cognibox, companies can easily track the performance of their contractors, schedule training, and manage certifications, among other things.
Competitive advantage: By using Cognibox, companies can demonstrate their commitment to safety, compliance, and risk management. This can be a competitive advantage in industries where safety and compliance are critical factors, such as manufacturing, oil and gas, and construction.
Overall, using a company that uses Cognibox can help improve safety, reduce risks, and increase efficiency, providing significant benefits to both the company and its stakeholders.
ISNetworld is a global provider of contractor and supplier management services.
Companies that are ISNetworld approved have demonstrated their commitment to safety, quality, and environmental responsibility.
There are several benefits to choosing a company that is ISNetworld approved:
Safety: ISNetworld approved companies have demonstrated that they have effective safety programs in place and are committed to maintaining a safe work environment.
Quality: These companies have also demonstrated that they have robust quality control measures in place, ensuring that they deliver high-quality products and services.
Environmental responsibility: ISNetworld approved companies have shown that they are committed to reducing their environmental impact and complying with all relevant environmental regulations.
Efficient contractor management: For organizations that work with a large number of contractors, ISNetworld can help streamline the contractor management process by providing a central repository for contractor information and documentation.
In summary, choosing a company that is ISNetworld approved can provide assurance that the company is committed to safety, quality, and environmental responsibility, and can also make it easier to manage contractors and suppliers.
There are several reasons why a company might choose to work with an Avetta approved contractor or supplier. One reason is to ensure that they are working with a company that has a demonstrated commitment to safety and compliance. By partnering with an Avetta approved company, a company can reduce the risk of accidents, injuries, and regulatory violations on their job sites.
Another reason is that many companies require their contractors and suppliers to be Avetta approved in order to do business with them. This is particularly common in industries such as construction, oil and gas, and manufacturing, where safety is of the utmost importance. By working with an Avetta approved company, a company can more easily meet the requirements of their clients and partners.
Overall, choosing an Avetta approved company can provide peace of mind and help a company meet its own safety and compliance standards. It can also help a company stay competitive in its industry by demonstrating a commitment to safety and compliance.
Choosing a company that is SafeContractor Alcumus approved can offer several benefits:
Commitment to Safety: SafeContractor Alcumus approval indicates that the company has demonstrated a commitment to maintaining high standards of health and safety in its operations. This commitment can help ensure the safety of workers, clients, and the general public.
Compliance: SafeContractor Alcumus approval often requires companies to adhere to relevant health and safety legislation and regulations. Choosing an approved company can provide assurance that they operate within legal requirements.
Risk Reduction: By working with a SafeContractor Alcumus approved company, you may reduce the risk of accidents, injuries, and other safety incidents occurring on your project or premises. This can help protect both people and property.
Professionalism: Achieving SafeContractor Alcumus approval requires companies to undergo a rigorous assessment process. As such, approval can be seen as a mark of professionalism and competence within the industry.
Peace of Mind: When you choose a SafeContractor Alcumus approved company, you can have greater peace of mind knowing that they have been independently assessed and accredited for their commitment to safety and quality.
Ultimately, selecting a company with SafeContractor Alcumus approval can contribute to a safer working environment, better compliance with regulations, and enhanced confidence in the services provided.
