Project Library

Completed U.S. projects.

Work done, not promised. A selection of completed U.S. projects. References available on request.

WHO WE WORK FOR

Owners, engineers and contractors who call us back.

PUBLIC OWNERS
Central Alabama WaterCharlotte County, FLCity of Carrollton, GACity of OrlandoCity of Portsmouth, VACity of Raleigh, NCCity of Sanibel, FLDavie Soil and Water Conservation DistrictDeKalb County Watershed ManagementFauquier County, VAFayette County, GAGreeneville Water CommissionHenderson County, NC Soil & Water Conservation DistrictHighlands County, FLIndian River County, FLKnox Chapman Utility DistrictKnoxville Utilities BoardLee County, FLManatee County, FLNC Division of Parks & RecreationNRV Regional Water AuthorityPasco County, FLPatrick County, VAPitt County, NCPort of Palm BeachPort Tampa BayRockdale County Water ResourcesSouth Blount Utility DistrictTennessee Wildlife Resources AgencyTown of Wake Forest, NCUnicoi Water Utility DistrictU.S. Army Corps of Engineers
INDUSTRIAL AND PRIVATE OWNERS
Buzzi UnicemCSXEastmanGlobal PartnersGP FoleyMotivaPilgrim'sPrimientSoutheastern Tank
ENGINEERS AND CONSULTANTS
AECOMBlack & VeatchCDM SmithCollins EngineersGriggs & MaloneyHDRVertexWSP
CONTRACTORS AND PRIMES
Astra GroupBDI Marine & Site ContractorsBellingham MarineHaren ConstructionJ. Cumby ConstructionKiewitManson ConstructionMassana ConstructionRussell MarineTIC Marine & Heavy CivilVecellio & GroganWalsh GroupWharton-SmithWASCON
Dive chamber and dive crew on a barge at Lake Tuscaloosa.
Water

Lake Tuscaloosa Water Intake Upgrade

Owner: City of Tuscaloosa · GC: Haren Construction · Tuscaloosa, Alabama · 2024

Removed the existing timber intake and rock ballast and installed a new intake with diver-placed steel formwork, rebar and concrete. Replaced the screen guide rails and the air-valve intake. Surface-supplied air was run from a barge at 110 ft depth with surface oxygen decompression, an on-site chamber, a chamber operator and a dive medical technician on standby.

WaterDeep DivingConstruction
Crew working at a chlorine contact chamber at the R.M. Clayton water plant.
Dams

R.M. Clayton Water Plant Improvements

Owner: City of Atlanta · Levee: U.S. Army Corps of Engineers · GC: Astra Group · Atlanta, Georgia · 2025–2026

Two scopes at the City of Atlanta's R.M. Clayton water plant. At the levee outlets, underwater installation of four custom backflow prevention devices: a 9 ft hinged valve, a 48 in duckbill check valve, a fabricated sliding gate and an 8 x 7 ft hinged valve, with fabrication support, rigging and diver installation. At the plant, chlorine contact chamber modifications.

DamsGates & Flow ControlFederal
Diver and tender on the Berth 214 pier.
Ports

Berth 214 Wharf Cathodic Protection

Owner: Port Tampa Bay · GC: Russell Marine · Port Tampa Bay, Tampa, Florida · 2025–2026

Underwater installation of 294 sacrificial anodes (194 lb each) on the steel wharf substructure per the plans and specifications. Surface-supplied air with underwater welding and cutting, and a cathodic protection specialist on site for installation, monitoring and commissioning.

PortsCathodic ProtectionWelding
Installed pile jackets with a float dock and boom.
Bridges

Pile Jacketing, SR 2 & SR 52 Bridges

Owner: Georgia DOT · GC: Massana Construction · Georgia · 2024

Underwater pile preparation and installation of 148 linear feet of integral jackets, 34 to 60 in, on SR 2 over West Chickamauga Creek and SR 52 over the Conasauga River. Grade-level dredging and pumped fill were performed from floating platforms with surface-supplied air.

BridgesPile RepairDOT
Aerial view of marine construction crew driving timber piles and building a new municipal waterfront pier on Lake Fairview.
Marine Construction

Lake Fairview Waterfront & Pier

Owner: City of Orlando · Zion Marine (Prime Contractor) · Orlando, Florida · 2024–2025

Demolition of the existing structure and construction of the new waterfront and pier: pile driving, structure, deck and marine hardware. Zion Marine held the contract directly with the City of Orlando under IFB24-0439 and carried the performance and payment bonds.

Marine ConstructionPrime ContractorMunicipal
Diver and crew at a gate valve during the JEA Buckman project.
Wastewater

JEA Wastewater Valve & Gate Replacement

Owner: JEA · GC: Wharton-Smith · Jacksonville, Florida · 2022–2024

Contaminated-water diving inside an operating wastewater facility with sealed suits, positive-pressure helmets and surface decontamination. Valve replacement, hydraulic saw cutting of concrete, blind flanges for isolation and sliding gate installation, all performed with the plant in service.

WastewaterContaminated WaterLive System
Crew in protective suits at a wastewater plant during a HAZMAT dive.
Wastewater

Polebridge Wastewater Plant HAZMAT Dive

Owner: DeKalb County · DeKalb County, Georgia · 2024

HAZMAT dive at an operating wastewater plant. Part of Zion Marine's ongoing diving services contract with DeKalb County, now in its tenth year.

WastewaterHAZMATLive System
Dive spread with helmets and umbilicals laid out on the deck at the Carters Lake dam.
Dams

Carters Lake Pump Storage Facility Nose Cone Replacement

Owner: U.S. Army Corps of Engineers · Georgia

Nose cone replacement at the U.S. Army Corps of Engineers Carters Lake pump storage facility in Georgia.

DamsUSACEFederal
Diver working at the intake screens at the Scott Candler water treatment plant.
Water

Scott Candler Water Treatment Plant Intake Sand Removal

Owner: DeKalb County · DeKalb County, Georgia

Removed all sand from the intake area, inside each of the six channels, ahead of schedule. Part of Zion Marine's ongoing diving services contract with DeKalb County.

WaterIntakeSediment Removal
Crew wrapping a shaft for protection during repair work.
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