Commercial Diving Compliance
How to Track Commercial Diver & Underwater Worker Certifications (ADCI, OSHA Subpart T)
OSHA 29 CFR 1910 Subpart T governs commercial diving operations. ADCI International Consensus Standards define the industry’s certification framework. Surface-supplied diver, SCUBA, mixed gas, saturation, and supervisor credentials each carry distinct training requirements, medical surveillance obligations, and operational restrictions. CredentialCamp tracks ADCI certifications, OSHA-required dive team competencies, dive logs, and medical surveillance for commercial diving operations.
⚡ Key Takeaway
Commercial diving operates under OSHA 29 CFR 1910 Subpart T with ADCI International Consensus Standards defining industry practice. Diver certifications, supervisor qualifications, medical surveillance, and dive log documentation all require systematic tracking. CredentialCamp manages diving credentials with the rigor that commercial diving’s high-hazard work demands.
29 CFR 1910 Subpart T
OSHA standard governing commercial diving operations
ADCI Standards
Industry consensus standards for commercial diving certification
Annual Medical
Medical surveillance required for commercial divers
The Commercial Diving Workforce Credentialing Landscape
Commercial diving represents one of the highest-hazard regulated work categories with substantial credentialing infrastructure addressing the underwater operating environment. OSHA 29 CFR Part 1910 Subpart T sets the federal regulatory floor for commercial diving operations, covering diver qualifications, equipment requirements, operational procedures, recordkeeping, and medical surveillance. The Association of Diving Contractors International (ADCI) maintains International Consensus Standards that operate as the industry practice standard, generally exceeding OSHA minimums and supporting the contractor work that major oil and gas, infrastructure, and underwater services clients require.The work spans diverse operational contexts. Inland diving covers bridge inspection, dam maintenance, water treatment facility work, marina and harbor work, salvage operations, and inland infrastructure inspection. Offshore diving covers oil and gas platform maintenance, subsea construction, pipeline work, and offshore renewable energy installation and maintenance. Specialty diving covers nuclear facility work, hazardous environment diving, contaminated water diving, and other specialized contexts. Each operational context has specific credentialing requirements layered on baseline commercial diver qualifications.
Diver certifications operate across categories reflecting the diving modes and operational scopes divers are qualified to perform. Surface-supplied air diving represents the most common commercial diving mode for inland and shallow offshore work. SCUBA diving has specific restrictions in commercial contexts under OSHA rules. Mixed gas diving (heliox, nitrox) supports deeper work. Saturation diving supports the deepest commercial work with divers living in pressurized environments for extended periods. Each mode has specific training, certification, and operational requirements.
Beyond diver qualifications, commercial diving operations require diving supervisor credentials (ADCI Surface-Supplied Air Diving Supervisor, Mixed Gas Supervisor, Bell/Saturation Supervisor), dive tender qualifications, life support technician credentials for specialized work, ROV (remotely operated vehicle) pilot certifications where applicable, and medical surveillance documentation for the diving workforce. CredentialCamp tracks this full credential portfolio with the audit-defensible rigor that OSHA inspections, client compliance audits, and incident investigations require for commercial diving operations.
Credential Categories Across Commercial Diving Operations
Entry-Level and Tender Credentials
ADCI Diver/Tender entry-level credential covers tender duties supporting diving operations including dive station setup, gas management, communication line tending, and emergency response support. Tender experience typically precedes diver qualification, with documented dive-station hours building toward diver certification. ADCI Diver/Tender credential establishes foundational competency for the commercial diving career path.Surface-Supplied Air Diver
ADCI Air Diver credential covers surface-supplied air diving operations, the most common commercial diving mode. Certification requires completion of approved commercial diving school program (typically 6+ months full-time training), documented dive hours, completed practical skills evaluation, and ongoing currency through continued diving experience. Surface-supplied air diver work covers most inland and shallow offshore commercial diving.Mixed Gas Diver and Bell Diver
ADCI Mixed Gas Diver covers nitrox and heliox diving for deeper operations beyond air diving limits. Bell Diver covers operations using diving bells for transport and work platform at depth. These advanced credentials require additional training beyond air diver certification with mode-specific theory, skills, and practical experience. Mixed gas and bell diving extends operational depth and complexity.Saturation Diver
ADCI Saturation Diver credential covers saturation diving operations where divers live in pressurized environments for extended periods (typically 28-day cycles) supporting the deepest commercial diving work. Saturation diving requires extensive additional training beyond bell diving with substantial practical experience and demonstrated competency in saturation operational procedures. Major saturation diving work concentrates in deepwater oil and gas.Diving Supervisor Credentials
ADCI Surface-Supplied Air Diving Supervisor, Mixed Gas Diving Supervisor, and Bell/Saturation Diving Supervisor credentials authorize supervision of diving operations within the supervisor’s qualified modes. Supervisor credentials require extensive diver experience hours plus supervisor-specific training and qualification. Supervisors carry primary responsibility for dive operations safety and procedural compliance.Life Support Technician and ROV Pilot
ADCI Life Support Technician credential covers personnel responsible for life support equipment in saturation and bell diving operations. ROV (remotely operated vehicle) pilot credentials cover pilots and technicians operating underwater ROV systems used alongside diver operations or as alternatives to diver work. These specialty credentials support the broader underwater work portfolio beyond direct diving.Medical Surveillance Requirements for Commercial Divers
Annual Diving Physical
ADCI standards require annual diving physical examinations for active commercial divers. The examination follows ADCI-specified protocols addressing cardiovascular health, pulmonary function, neurological status, ENT examination, and diving-specific fitness assessment. The physical determines diving fitness with results documented for diver eligibility tracking. Divers who fail components may face restrictions or temporary unfit-for-dive status.Post-Incident Medical Evaluation
Diving incidents (decompression sickness, barotrauma, near-drowning, equipment failures) trigger post-incident medical evaluation before return to diving. The evaluation assesses incident-specific injury or exposure with diving-specific medical expertise. Return-to-dive clearance follows successful evaluation. Documentation supports both diver safety and audit defense regarding incident management.Return-to-Dive Protocols
Divers returning from extended absences (illness, injury, time away from diving) require medical clearance before resuming diving operations. The clearance addresses the absence duration, any intervening medical conditions, and physical conditioning for diving demands. Return-to-dive protocols protect divers from operational hazards while ensuring documented fitness for the work.Decompression Illness Treatment Documentation
Decompression illness treatment requires documented hyperbaric treatment with treatment record retention. The documentation supports both diver medical history and workers compensation claim documentation. Treating physicians provide return-to-dive recommendations following treatment with appropriate observation periods before return to active diving.Recordkeeping and Retention
Medical surveillance records retain for periods specified by OSHA and ADCI standards, typically extending years beyond employment to support potential occupational illness claims and long-term health monitoring. Retention includes the medical examination results, fitness determinations, treatment records, and return-to-dive documentation. The retention requirement creates ongoing recordkeeping obligations even for departed divers.Credential Tracking Workflow for Commercial Diving Operations
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Diver Credential Profile Establishment
Each diver’s credential profile in CredentialCamp documents their ADCI credentials with mode-specific qualifications (air diver, mixed gas, bell, saturation as applicable), supervisor credentials where held, training school of origin, certification dates, and current ADCI membership status. The profile establishes the foundation for work assignment matching divers to operations they’re qualified to perform. -
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Annual Medical Surveillance Tracking
Annual diving physicals track with reminder cycles before expiration to schedule examinations with sufficient lead time. Physicals approaching expiration generate scheduling tasks; lapsed physicals flag divers as unfit for active dive duty until current physical completes. Medical record retention follows applicable retention requirements with appropriate access controls protecting medical information. -
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Dive Log Tracking
Commercial diving requires dive log documentation supporting both individual diver currency and operational compliance. Each dive logs with date, depth, bottom time, gas mix used, supervisor, operational scope, and any incidents. Diver currency depends on documented diving frequency — divers without recent diving experience may need refresher requirements before resuming active dive duty. The platform tracks dive logs supporting currency assessment. -
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Dive Team Composition Planning
Each dive operation requires properly qualified dive team: diver(s) qualified for operational mode, diver-in-charge or supervisor qualified for operational scope, tender(s) supporting dive operations, life support technicians for applicable operations, and emergency response capability. The platform supports dive team composition planning verifying that proposed team members hold appropriate credentials before operations commence. -
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OSHA Compliance Documentation
OSHA 29 CFR 1910 Subpart T requires specific documentation including diver qualifications, medical surveillance, dive operational procedures, equipment inspection records, and incident reports. The platform organizes Subpart T documentation supporting OSHA inspection response with current credential status, medical surveillance currency, and operational documentation organized for rapid review. -
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Client Compliance Verification
Major commercial diving clients (oil and gas operators, infrastructure owners, government clients) require contractor diving workforce verification. Client portals (Veriforce, ISNetworld, client-specific systems) require diving-specific documentation including ADCI certifications, medical surveillance, dive team composition, and operational compliance records. The platform supports client verification workflows with appropriate diving-specific documentation.
Dive Team Documentation and Operational Compliance
Dive Team Member Roles
Dive team composition includes specific roles with specific credential requirements: diver (in-water), diver-in-charge or supervisor (surface), standby diver (immediate emergency response), tender (line tending and gas management), life support technician (saturation/bell operations), and additional support personnel. Each role’s credentials track with role assignment for specific operations.Pre-Dive Safety Meeting Documentation
ADCI standards require pre-dive safety meetings reviewing the dive plan, hazard assessment, emergency procedures, and team member responsibilities. Meeting documentation captures attendance, topics reviewed, and any plan modifications. The documentation supports both operational safety and audit defense regarding pre-dive briefing practices.Hazard Assessment and Dive Plan
Each dive operation requires hazard assessment identifying operational hazards (depth, currents, visibility, contamination, entanglement risks, traffic, weather) with mitigation measures. The dive plan documents operational procedures, gas management, communication procedures, and emergency response. The platform supports dive plan documentation as part of operational compliance records.Emergency Response Capability
Commercial diving operations require emergency response capability including hyperbaric chamber availability for decompression illness treatment, evacuation procedures, and medical support arrangements. The platform documents emergency response capability for each operation including chamber location, evacuation routes, and medical support contacts. Emergency response documentation supports both operational planning and audit defense.Equipment Inspection Records
Commercial diving equipment requires systematic inspection with documented inspection records. Helmets, umbilicals, communication systems, gas analyzers, decompression chambers, and other diving equipment all have specific inspection schedules. Inspection records document equipment status supporting both operational safety and OSHA recordkeeping requirements for diving equipment.How CredentialCamp Helps
CredentialCamp delivers a purpose-built credential management platform that solves this problem directly through AI-powered scanning, automated reminders, HRIS and LMS integration, multi-location visibility, and audit-ready compliance reporting.AI-Powered Certificate Scanning
Upload any certificate or license — PDF, JPEG, scan from phone — and the AI extracts employee name, credential type, issuing authority, issue date, and expiration date automatically. No transcription, no typos, no missed dates. Bulk upload supports onboarding entire teams in minutes.Automated Reminder System
Configurable email and SMS reminders fire automatically at intervals you set — 90, 60, 30, 14, 7 days before expiration — to employees and managers, with no manual calendar management. Reminders escalate automatically if not acted upon.5-State Compliance Tracking
Every credential tracked across five states: Up to Date, Expiring Soon, Expired, Missing, and Pending Verification. Real-time dashboards show status by employee, role, and location — not just binary valid/expired snapshots.HRIS & Scheduling Integration
Native integration with Workday, ADP, UKG, and other leading HRIS platforms. New hires get role-required credentials assigned automatically. Role changes update requirements automatically. Terminations close tracking cleanly.LMS Integration & Mapping
Pull course completions from your LMS and map them to the specific regulatory requirements they satisfy — so a completed course actually closes the compliance loop it was designed to close.Multi-Location Management
See compliance status across every location with role-based access. Corporate compliance leaders see the portfolio view; site managers see their location; employees see their own credentials.Compliance Reports & Analytics
Audit-ready reporting produces full credential history — every employee, every certification, every renewal, every supporting document — on demand. Trend analytics show compliance patterns by location and role.Universal Learner ID
Every employee gets a Universal Learner ID (ULID) that travels with them across roles and organizations. For multi-employer industries, employees maintain a credential wallet without re-uploading documents at every transition.Manage Commercial Diving Credentials With Subpart T Rigor
ADCI certifications, medical surveillance, dive logs, and operational documentation in one platform with the rigor commercial diving demands.Frequently Asked Questions
ADCI certifications track with mode-specific qualifications reflecting the diver’s authorized diving scope. Air Diver certification authorizes surface-supplied air diving; Mixed Gas Diver extends to nitrox and heliox; Bell Diver covers bell operations; Saturation Diver covers saturation diving. Supervisor credentials authorize supervision within qualified modes. CredentialCamp tracks each ADCI credential with mode metadata, certification source (which ADCI-approved diving school), certification date, and current ADCI membership status. The platform documents the credential chain supporting verification that divers hold appropriate qualifications for assigned operations. ADCI maintains standards that exceed OSHA Subpart T minimums in many areas — the platform applies ADCI standards as the practical credentialing requirement for divers working for ADCI member contractors and clients requiring ADCI-standard workforce. For diving operations not subject to ADCI standards (small inland operations, recreational instruction work covered by different frameworks), the platform applies appropriate alternative credential frameworks.
Yes, annual diving physical tracking represents core medical surveillance support for commercial diving operations. The platform tracks physical examination dates with reminder cycles before expiration ensuring physicals schedule with sufficient lead time. Examination results document with diving fitness determination — divers passing the physical receive active status; divers failing components face restrictions or temporary unfit-for-dive status with documented restrictions or accommodation requirements. The physical record retains supporting subsequent annual physicals and long-term medical surveillance documentation. Medical records carry sensitive information requiring appropriate access controls protecting diver privacy while supporting compliance documentation needs. Divers approaching physical expiration get clear notification with scheduling support; supervisors see team medical surveillance status supporting work assignment decisions; HR and compliance teams see compliance status across the diving workforce. The systematic tracking prevents the common failure mode of physicals lapsing without notice, which creates both regulatory exposure and direct safety risk when divers continue diving with expired medical surveillance.
Dive logs document each diving operation with date, dive site, depth profile, bottom time, gas mix used, dive duration, supervisor on-scene, and operational scope. The log captures dive-specific data supporting both individual diver currency tracking and operational documentation. Divers approaching currency thresholds (extended absences from diving) flag for refresher requirements before resuming active duty. Incidents during dives document alongside dive logs with incident-specific details supporting both incident investigation and any required regulatory reporting. The dive log foundation supports both routine operational documentation and audit response when OSHA inspections or client audits examine specific diving operations. For organizations using paper dive logs historically, the platform supports digital dive log capture with appropriate retention. For organizations using dive log software, the platform integrates with major diving operations management systems where API access is available.
Diving supervisor credentials authorize supervision of diving operations within supervisor’s qualified modes. ADCI Surface-Supplied Air Diving Supervisor authorizes air diving supervision; ADCI Mixed Gas Diving Supervisor adds mixed gas operations; ADCI Bell/Saturation Diving Supervisor adds bell and saturation operations. Supervisor qualifications require substantial diver experience plus supervisor-specific training and certification. CredentialCamp tracks supervisor credentials with mode-specific authorization, current status, and any continuing education requirements ADCI imposes for supervisor status maintenance. Work assignment workflows verify that proposed supervisors hold appropriate qualifications for operational modes — supervisors qualified for air diving cannot supervise mixed gas operations without mixed gas supervisor qualification. The platform also documents the supervisor-on-scene for each dive operation supporting compliance documentation showing qualified supervision throughout operations. Without supervisor-specific tracking, organizations sometimes inadvertently assign supervisors to operations outside their qualified modes, creating both regulatory exposure and direct safety risk.
Major commercial diving clients require contractor diving workforce verification through portal-based or direct compliance verification. Oil and gas operators using Veriforce or ISNetworld portals require diving-specific documentation alongside general contractor compliance. Infrastructure owners (state DOTs, municipal water authorities, port authorities) often require direct compliance documentation. Government clients require federal contractor compliance documentation. CredentialCamp supports diving contractor client verification by maintaining comprehensive diving credential documentation in formats supporting various client verification frameworks. The platform produces client-specific verification packages including diver credentials, supervisor qualifications, medical surveillance currency, dive logs from relevant operational periods, and incident history where requested. Diving contractors serving multiple client types benefit from unified credential management supporting diverse client verification needs rather than maintaining client-specific documentation systems. The unified approach also supports prequalification submissions for new client relationships with diving credential documentation readily available rather than assembled from scattered sources.
Saturation diving represents the most specialized commercial diving operations with substantial additional credentialing requirements beyond bell diving. ADCI Saturation Diver certification requires extensive additional training and supervised operational experience beyond bell diver qualification. Saturation operations require qualified saturation supervisors, life support technicians managing the saturation system, and substantial equipment infrastructure. The platform tracks saturation-specific credentials alongside other diving credentials with mode-specific qualifications applied. Saturation operations also typically involve more extensive operational documentation given the multi-day operational cycles (typically 28-day saturations) and the extreme operational hazards. The platform supports saturation operational documentation alongside the credential framework. For diving contractors operating primarily inland or shallow offshore work, saturation operations may not apply; for contractors serving deepwater oil and gas operators, saturation operations may be substantial portion of work. The platform scales to either pattern without forcing saturation-specific complexity on operations that don’t require it.
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Legal & Compliance Disclaimer
The information on this page is provided for general informational purposes only and does not constitute legal, regulatory, or compliance advice. Credential, licensing, and certification requirements vary widely by industry, jurisdiction, employer policy, and individual role, and are subject to change. Always consult qualified legal counsel, your industry regulator, or your organization’s compliance officer before making decisions about credential requirements, renewal cycles, or compliance programs. CredentialCamp is a software platform — not a law firm or accredited compliance advisor. All renewal cycles, requirements, and examples referenced are illustrative only and may not reflect current rules in your specific jurisdiction.
