Projects

We take pride in our work — and we're confident it shows.

Kinder Morgan Coal Hoppers

This job consisted of fabricating two (2) 240-ton independently traveling coal hoppers that work in unison with two (2) 360 ton Gotwald cranes and an air suspended conveyor system. The total project weight was roughly 480 tons.

Bayou Segnette Gate

This project is a fabricated two-sided rotating flood control gate that prevents major flooding of waterways in Bayou Segnette which is close in proximity to the Mississippi River and the City of Metairie, LA. Each gate section is 35’-0” x 35’-0” x 26’-0”. The gate sections were loaded at Steel America using a 1,000 MT Travelift onto an ocean-going barge.

USNS Apache (T-ATF-172)

Colonna’s Shipyard performed drydocking, inspection, maintenance and re-coating.

Tug Chesapeake Coast

Colonna's hauled out on the Marine Travel Lift and accomplished repairs to rudders, shafts and props.

NOAA Boat Hassler

Colonna’s drydocked and performed machinery repairs and installed the buoyancy tanks on this ship.

USCGC Legare

At Colonna’s Drydock #2 for repair

The Spirit of Philadelphia

Colonna’s Shipyard performed drydocking, Coast Guard Certifications, maintenance, machinery repairs and painted it.

Siem Dorado

Offshore supply vessel supporting wind energy initiatives

Caisson 8

Steel America fabricated the replacement drydock caisson gate for the Aircraft Carrier graving dock #8. This gate is 158’-0” long by 57’-0” tall by 20’-0” wide and consists of over 920 tons of steel.

Dredge - Norfolk Dredging Co.

Colonna’s Shipyard performed drydocking, Provided a Marine Chemist Certificate, cleaned the hull and painted it.

USS Gunston Hall

Arriving at Colonna’s Drydock #1 for major overhaul

Dredge Magdalen

In Colonna’s Drydock #3 The Charles J

USS John W. Brown

The John Brown has been drydocked at Colonna’s multiple times since 2003. We have performed plate repair and rivet replacement among many other actions.

USS Monsoon (PC 4)

Colonna’s replaced 40% of the shell plate and stiffeners, we performed machinery repair, habitability and systems upgrades. New exterior and interior coatings were applied.

RV Atlantic Explorer

Colonna’s Shipyard provided deck modification and Crane installation.