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Carver Companies Charleston

Carver Marine expanded its fleet with a 3000C Series E-Crane at its midstream cargo transfer facility on the Cooper River in Charleston, South Carolina (USA). Named "Grace," the barge-mounted equilibrium crane is the only mobile bulk ship unloading crane of its kind in the area, providing Carver with a flexible solution for both midstream cargo transfer and dockside vessel unloading.

Applications:

Midstream transfer

Attachment:

Scrap Grapple 12 m³ / 16 yd³

Duty Cycle Capacity:

32,0 tons / 35.0 USton

Lift Capacity

47,8 ton / 52.6 USton

Location:

Charleston, SC, USA

Crane lower:

High rail portal traveling on a barge

Power source:

On-board generator

Reach:

45 m / 148 ft

Model:

EC18450 GA-E

Tags:

Bulk handling,Mid-stream transfer

Carver Companies Charleston2026-10-06T14:24:40+02:00

The Challenge: Simplifying a Complex Cargo Transfer Operation

Before installing the E-Crane, Carver Marine relied on four traditional ship cranes operated by a crew of eight or nine people to offload cargo from ships into barges. Managing multiple cranes made the operation complex, requiring numerous moving parts and increased coordination. Carver wanted a safer, more efficient solution that could also move easily between ships and operating locations while minimizing downtime.

“Previously, we used four ship cranes to offload the cargo into barges. That’s a lot of moving parts. Now with the E-Crane, all those moving parts are condensed down into one state-of-the-art machine that’s able to work in a much more safe and efficient manner.”

The Solution: One Mobile E-Crane Replacing Four Conventional Ship Cranes

E-Crane supplied a 3000C Series equilibrium crane travelling on a high rail portal mounted on a barge, creating a highly flexible bulk handling solution that can operate as a midstream transfer station or alongside a dock. Powered by an onboard generator and supported by a dedicated mechanical facility on the barge, the installation minimizes downtime while providing operators with excellent visibility from a comfortable, ergonomic cab.

The solution includes:

  • 3000C Series E-Crane (Model EC18450 GA-E) with a 45 m (148 ft) reach, allowing efficient unloading of vessels and transfer of bulk cargo.

  • High rail portal travelling on a barge, enabling the crane to move between ships and multiple operating locations while providing exceptional operational flexibility.

  • 12 m³ (16 yd³) scrap grapple with a 32.0 tons / 35.0 USton Duty Cycle Capacity and 47.8 tons / 52.6 USton Lift Capacity, delivering reliable bulk cargo handling.

  • On-board generator and dedicated onboard mechanical support, ensuring reliable operation with minimal downtime.

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BUSINESS OUTCOME

By replacing four conventional ship cranes with a single E-Crane, Carver Marine streamlined its cargo transfer operations while improving operational efficiency and safety. The mobile barge-mounted installation provides the flexibility to operate both as a midstream transfer station and alongside a dock, supporting Carver’s commitment to efficient and sustainable bulk cargo handling.

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