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Vessel Class · Dredger

Sand Dredger

The land-maker — a trailing suction hull that lifts sand and spoil from the seabed into its hopper for reclamation, channel-deepening and nourishment.

General arrangement

Blueprint & layout.

Fig. 01 — Starboard ProfileRepresentative
DWLHOPPERSuction gantryDragheadL.O.A. — 80.0 m
Fig. 02 — Main Deck PlanLayout
HOPPER ~3,500 m³SUCTION PIPEHOUSEBEAM 20.0 m
Fig. 03 — Isometric3D massing

Stylised general-arrangement sketches for the Dredger class — indicative of layout and equipment, not a specific hull. Particulars below are representative class figures; the exact vessel chartered for your scope is confirmed on enquiry.

Principal particulars

Representative specification.

Vessel class
TSHD / Dredger
Length overall
~ 80.0 m
Beam
~ 20.0 m
Depth
~ 6.5 m
Draft (laden)
~ 5.5 m
Hopper capacity
~ 3,500 m³
Configuration
3-in-1 / 2-in-1
Dredging depth
up to ~ 30 m
Suction diameter
~ 700 mm
Discharge
Bottom doors / pump
Service speed
~ 11 kn
Accommodation
up to 24
Systems & mission

How it works, and what it's for.

Dredging

Trailing suction

Trailing suction pipe and draghead lift seabed material into the hopper while under way.

Hopper

Self-discharge

Large hopper with bottom doors and pump-ashore discharge for reclamation.

Propulsion

Twin-screw

Twin-screw propulsion with thrusters for precise dredging tracks.

Survey

Positioning

Dredge-positioning and production monitoring for accurate works.

Designed for

Who & what it serves.

Mission 01

Land reclamation

Winning and placing sand to reclaim and raise land.

Mission 02

Channel dredging

Deepening and maintaining ports, channels and estuaries.

Mission 03

Beach nourishment

Replenishing eroded coastlines and beaches.

Mission 04

Conservation works

River-mouth and estuary conservation projects.

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