Tender and diver with an intake structure on a river bank.
QUALIFICATIONS & COMPLIANCE

QUALIFIED FOR CRITICAL INFRASTRUCTURE.

Everything a prequalification asks for, on one page. Supporting documents on request.

ADCI
Certified Divers & Supervisors
237990
Primary NAICS Code
CAGE 7PRY2
Active SAM.gov Contractor
EM 385-1-1
USACE safety manual
SAFETY RECORD

A documented, verifiable safety record.

Zero recordable incidents (TRIR 0.0 as of 2026). EMR 0.83 as of 2026. Registered on ISNetworld and Avetta.

0.0 as of 2026
TRIR

Total Recordable Incident Rate

0.83 as of 2026
EMR

Experience Modification Rate

Registered
ISNetworld & Avetta

Prequalification platforms

OSHA 300A logs, EMR worksheet and platform screenshots available on request.

CREDENTIAL CATEGORIES

Organized for Procurement, Engineers & Prime Contractors.

Detailed below are our core licensing, diving supervision, inspection training, and federal compliance credentials. Each is supported by formal documentation upon request.

SUPERVISION & PERSONNEL

COMMERCIAL DIVING

  • ADCI-certified Commercial Diving Supervisors and Commercial Divers on every dive station
  • Surface-supplied air diving systems with dedicated topside communications and video feeds
  • Trained standby diver and tender stationed topside on all active diving operations
  • Commercial diving operations planned under OSHA 29 CFR 1910 Subpart T requirements
STATE & REGIONAL LICENSING

CONTRACTOR LICENSES

  • Licensed marine contractor in Tennessee, Virginia, North Carolina, South Carolina and Florida
  • Licensed general contractor in the same five states
  • Commercial general liability, marine contractor liability and USL&H / Jones Act coverage maintained for project requirements
CONDITION ASSESSMENT & TESTING

INSPECTION QUALIFICATIONS

  • Level I and Level II underwater inspection methodologies
  • Underwater bridge inspection training aligned with NHI (National Highway Institute) guidelines
  • High-resolution underwater digital video documentation with real-time topside monitoring
  • Ultrasonic thickness (UT) testing on steel sheet pile, piles, sluice gates, and penstocks
  • Cathodic protection (CP) potential measurements on submerged steel structures
  • Underwater concrete condition observation, crack mapping, and scour depth documentation
GOVERNMENT PROCUREMENT COMPLIANCE

FEDERAL REGISTRATIONS

  • SAM.gov registered active federal contractor
  • Unique Entity Identifier (UEI): D6Y3D7BUYXY3
  • CAGE Code: 7PRY2
  • Primary NAICS: 237990 (Other Heavy and Civil Engineering Construction)
  • Secondary NAICS: 561990 (All Other Support Services)
  • Supplier portals: SAM.gov
  • Port Tampa Bay Small Business Enterprise (SBE): Certified with Port Tampa Bay
FIELD PROTOCOLS & GOVERNANCE

SAFETY & STANDARDS

  • Operations planned and performed under OSHA 29 CFR Part 1910 Subpart T commercial diving requirements
  • Operations performed to ADCI Consensus Standards for Commercial Diving and Underwater Operations
  • Adherence to USACE EM 385-1-1 Safety and Health Requirements on federal water control projects
  • Decompression procedures cross-referenced to U.S. Navy Diving Manual tables
  • Documented site-specific Job Hazard Analyses (JHA), dive plans, and emergency management procedures
OPERATIONAL SPECIALTY EXPERIENCE

WATER, DAMS & INFRASTRUCTURE

  • Potable water diving procedures for treated drinking water tanks, clearwells, and finished reservoirs
  • Contaminated water and wastewater diving with vulcanized drysuits and decontamination protocols
  • Sluice gate, slide gate, bulkhead, stop log, and intake trash rack maintenance experience
  • Differential pressure (Delta P) safety planning and lockout/tagout protocols for active flow control
  • In-service plant work: inspections and repairs conducted while facilities remain online and operational
PROFESSIONAL ASSOCIATIONS

MEMBERSHIPS

  • Association of State Dam Safety Officials (ASDSO)
  • United States Society on Dams (USSD)
WHAT CLIENTS SAY

Trusted by contractors, utilities and engineers.

Zion Marine's work has earned repeat business from clients across the commercial diving, water, and infrastructure sectors.

“They have always provided a high standard of management, workforce, and knowledge on each and every project.”
Frank E. Haren, Jr.
President
Haren Construction Company, Inc.
“Charlotte County Utilities considers Zion Marine our go to company for projects that involve underwater wastewater issues.”
Mark Gambrell
Field Supervisor
Charlotte County Utilities
“Their attention to detail, operational safety, and communication was nothing short of exemplary.”
Anthony P. DeVincenzo
Director of Project Management
S. T. Hudson Engineers, Inc.
“On each project Zion performed exactly as was prescribed in the proposal, at the quoted price, and within the time constraints agreed upon during the contract execution.”
Shannon McCarley
Project Manager
Chris-Hill Construction Co., LLC
“Zion's level of professionalism and proven expertise has separated them from the rest and elevated them to the top of my recommendation list.”
Daniel Campbell, P.E.
Senior Project Manager
GEL Engineering, LLC
“Zion came in and did a better and more complete job than any group of divers before them.”
Darryl Collins
DeKalb County, GA Water & Wastewater
DeKalb County
CONTRACTOR LICENSES

Active state contractor licensing.

StateLicense TypeLicense Number
TennesseeHC-A, HC-D72494
VirginiaClass A, MCC275169220
North CarolinaS-Marine Construction103103
South CarolinaMarine-MR4CLG.126528
FloridaMarine Specialty ContractorSCC131153096

License verification available through each state licensing board. Copies provided with qualification packages.

GOVERNMENT PROCUREMENT

Public Sector & Prime Contractor Readiness.

Zion Marine works as a specialty subcontractor to general contractors and engineering firms, and as prime contractor on municipal and federal contracts. We carry commercial general liability, marine liability, workers' compensation with USL&H and Jones Act coverage, and excess coverage to meet public authority requirements.

Commercial diver in a surface supplied helmet underwater.
QUALIFICATION PACKAGE

NEED OUR QUALIFICATIONS FOR AN UPCOMING RFP OR BID?

One package covers capability statement, certificates of insurance, license copies and safety documentation.