Dredgers are the unsung infrastructure of global maritime trade. Without them, ports silt up, channels close, and shipping grinds to a halt. The global dredging market is valued at $17.3 billion in 2026 — projected to reach $21.3 billion by 2036 — yet the vessels themselves operate in a regulatory category unlike any other commercial ship. They're classed as cargo vessels under SOLAS, but their cargo is the seabed; they spend most of their working life stationary, suction tubes deployed; their pumps and dredging equipment are subject to abrasive wear that no class society survey for normal cargo ships contemplates. Five contractors — Boskalis, DEME, Van Oord, Jan De Nul, and China Communications Construction Company — operate the majority of the global modern fleet, and demand from port deepening for ULCV vessels, offshore wind seabed preparation, and coastal climate resilience continues to grow. With 7.6% of newly delivered dredgers now hybrid or electric, fleet modernization is rewriting inspection priorities at the same time. Start a free trial of Marine Inspection to digitize TSHD, CSD and backhoe dredger compliance across your fleet.
$17.3B
Global Dredging Market 2026
Projected $21.3B by 2036 — port deepening + offshore wind
5
Top Contractors Control Majority
Boskalis, DEME, Van Oord, Jan De Nul, CCCC
7.6%
Hybrid/Electric Newbuilds
Modern fleet shifting fast — new inspection regime
47%
Capital Dredging Share
Maintenance 38%; capital projects driving fleet investment
Why Dredger Inspection Sits Outside Standard Cargo Ship Surveys
A bulk carrier or container ship spends 80% of its life sailing. A dredger spends 80% of its life dredging — pump running, suction pipe deployed, abrasive slurry passing through critical mechanical systems at 7,000–11,500 m³/hour. The hull is conventional. The dredging equipment isn't. Pumps wear out in months. Drag heads grind down on the seabed. Hopper coatings get scoured. Bottom doors cycle thousands of times in a season. None of this is contemplated by SOLAS in detail — instead, classification societies have developed dedicated dredger notations (BV's "Hopper Dredger", LR's specific dredging notations, ABS dredger rules) that overlay normal class survey requirements with dredging-equipment-specific inspection requirements. Book a Marine Inspection demo to see how dredging contractors digitize hull surveys, dredge equipment maintenance, and class society compliance on one platform.
The Five Dredger Categories Every Contractor Inspects Differently
"Dredger" is a category of vessel architecture, not a single ship type. Five mechanical configurations dominate working fleets globally, each with distinct inspection priorities, wear profiles and operational risks. Knowing which type your vessel falls into determines almost every inspection priority that follows.
TSHD
Trailing Suction Hopper Dredger
Self-propelled, sea-going
The workhorse of port maintenance and capital dredging. Trails one or two suction pipes off the hull while sailing slowly, pumps slurry into onboard hopper, transports to discharge area. Discharges via bottom doors, rainbow nozzle, or shore pump-out.
Use cases: harbour deepening, channel maintenance, land reclamation, aggregate dredging, beach nourishment
Capacity: 500–46,000 m³ hopper (e.g., Boskalis Prins der Nederlanden 30,500 m³)
Inspection focus: draghead, suction pipe, gimbal, dredge pump, hopper coating, bottom doors, rainbow nozzle, spillway/overflow
CSD
Cutter Suction Dredger
Stationary, spud-positioned
A rotating cutter head excavates hard substrate (rock, compacted clay, weathered material) — material the TSHD draghead can't suck up. Spuds into the seabed for fixed positioning, swings on anchor wires or spuds. Material pumped through a long discharge pipeline.
Use cases: rock dredging, capital projects in hard ground, land reclamation, port construction
Power range: 700 kW (HID CSD 750) up to thousands of kW for the largest CSDs (Spartacus, Cristóbal Colón class)
Inspection focus: cutter head, cutter teeth, ladder, spud system, anchor winches, dredge pump (in-line and submerged), discharge pipeline
BHD
Backhoe Dredger
Pontoon-mounted excavator
Heavy excavator mounted on a spudded pontoon. Digs material into a bucket, swings, dumps into split barge alongside. Used where precision excavation matters — tight harbours, around quays, contaminated sediment removal.
Use cases: hard rock dredging, environmental dredging, urban port works, contaminated sediment
Notable: DEME's Samson 21,000-tonne lifting capacity
Inspection focus: excavator structure, hydraulic systems, slewing ring, bucket and teeth, spud cylinders, pontoon hull
BLD
Bucket Ladder Dredger
Continuous chain excavator
A chain of buckets endlessly cycles over a ladder structure, digging continuously and dumping each bucket into a chute or barge. Older mechanical design — declining in modern fleets but still operational in some markets, particularly for tin, gold and diamond mining.
Use cases: mining (tin, diamond, gold), some legacy maintenance dredging, capital projects in soft sediment
Status: declining — replaced by CSDs and TSHDs in most applications
Inspection focus: bucket chain, top tumbler, ladder rollers, drive system, structural fatigue from continuous cyclic loading
GHD
Grab Hopper Dredger
Crane + clamshell + hopper
A self-propelled vessel with onboard crane and clamshell grab dredging into the vessel's own hopper. Compact, manoeuvrable, often spud-equipped. Useful for confined harbour spaces where TSHD or CSD can't operate practically.
Use cases: port and harbour maintenance, contaminated sediment, small-volume capital works
Notable: azimuth thrusters and shallow draft for confined operations
Inspection focus: crane, clamshell, hoist wires, slewing system, hopper, bottom doors, spud system
The TSHD Anatomy: Eight Critical Inspection Zones
The Trailing Suction Hopper Dredger is the most common and most complex dredger architecture. Every modern TSHD, regardless of capacity (500 m³ to 46,000 m³ hopper), has the same eight critical mechanical zones — each demanding distinct inspection attention.
TSHD Critical Inspection Zones
1
Draghead
The "vacuum cleaner mouth" at the seabed. Continuous wear from sand and gravel — teeth (steel cutting edges), grids, water jets. Replaceable wear parts cycle through operational service. Inspection at every drydock + during any maintenance window.
2
Suction Pipe
300–1,200 mm diameter pipe transporting slurry from draghead to dredge pump. Internal wear from abrasive material flow, external corrosion from seawater immersion, fatigue from repeated lifting cycles, pivoting joints (gimbals).
3
Dredge Pump
The heart of the dredging system — typically 287 kW to 8,000+ kW driving 7,000–11,500 m³/hour. Impeller wear, casing erosion, bearing condition, seal integrity. Maintenance interval often shorter than main propulsion cycle.
4
Hopper
The cargo hold — large open compartment receiving slurry. Coating system wear from continuous abrasive contact, structural integrity (bulkheads, hopper coaming), level gauging system, density meters for production monitoring.
5
Overflow / Spillway
Discharges excess water overboard during loading, allowing solids to settle in the hopper. Variable height "green valve" controls hopper water level. Critical to controlling overflow turbidity for environmental compliance.
6
Bottom Doors / Conical Valves
Discharge mechanism. Hydraulic-actuated bottom doors open across the hopper bottom; conical valves for newer designs. Hydraulic system pressure tests, sealing rubber wear, hinge bearings, hydraulic ram condition. Cycle-counted maintenance.
7
Rainbow Nozzle
Forward-pointing high-pressure discharge for beach nourishment, rainbow reclamation work. Pump pressurises hopper contents into a long-distance arc. Nozzle wear, swivel joint, deck hydraulic supply, blast gate condition.
8
Shore Discharge System
Floating pipeline connection for pump-ashore operations. Bow coupling system, booster pumps, pipeline rotation joint, jet water supply. Critical to capital reclamation projects (e.g., Dubai, Singapore land reclamation).
The CSD Anatomy: Where Hard-Ground Dredging Lives
The Cutter Suction Dredger faces fundamentally different inspection priorities than the TSHD. No transit at sea, no hopper, no bottom doors — but everything depends on the cutter, the spud system, and the swing wires that position the vessel during cutting. Failures in any of these halts the entire dredging operation.
A
Cutter Head & Teeth
Rotating cutter mounted at the end of the ladder, fitted with replaceable teeth. Teeth wear cycles measured in days/weeks for hard rock work. Crown casting, drive shaft, gear reducer condition. Tooth-change procedures and spare inventory critical to operational continuity.
B
Ladder & Suction Pipe
Massive structural arm carrying cutter and suction pipe to the seabed. Hoist hydraulics, ladder pivot bearings, internal suction pipe wear, NDT on welded connections. Major drydock inspection item.
C
Spud System
Vertical steel piles driven into seabed for positioning. Spud cylinders, winch system, stepping mechanism (walking spud carriages on advanced CSDs), structural condition of spud well in hull. Critical for production cycle.
D
Swing Wires & Anchors
Port and starboard swing wires anchored fore and aft, used to swing the cutter through arcs of cutting work. Wire condition (NDT), winch hydraulics, anchor handling system, fairleads. Failure halts production immediately.
E
Dredge Pumps (In-Hull + Submerged)
In-hull pump on most CSDs; large modern CSDs add a submerged pump on the ladder for high-head pumping. Impeller wear, casing erosion, seal condition, drive system. Submerged pumps add ladder cabling, motor cooling, hydraulic isolation considerations.
F
Discharge Pipeline
Long floating + sinking pipeline transporting slurry to reclamation site, sometimes 1,500+ metres (HID CSD 750). Pipeline integrity, flange connections, booster pump locations, anchor system, end-of-pipeline diffuser.
Stop Tracking Dredger Equipment Maintenance Across Five Spreadsheets
TSHD draghead wear, CSD cutter teeth changes, hopper coating surveys, dredge pump impeller condition, hydraulic system tests — fleet-wide visibility, mobile capture, exportable for class society audits.
Class Society Dredger Notations: The Inspection Framework
SOLAS treats dredgers as cargo ships. But class societies have developed dredger-specific notations that supplement the standard cargo ship survey regime with equipment-focused requirements. Understanding which notation applies to your vessel — and what that notation requires — is the precondition for every other inspection decision. Sign up for Marine Inspection to deploy class-society-aligned templates across your dredger fleet.
BV
Bureau Veritas
Hopper Dredger / Cutter Dredger / Backhoe Dredger
BV's "Hopper Dredger" notation common on European dredger fleets (Damen, IHC builds). Adds dredge equipment surveys to standard hull and machinery class. Special survey cycles align with normal 5-year SOLAS schedule.
LR
Lloyd's Register
+100A1 Dredger / Hopper Dredger
LR Rules Part 5 covers dredgers under specific notation. Includes dredge pump certification, hopper structural strength (loaded hopper analysis), bottom door watertight integrity, suction pipe / cutter ladder structural review.
ABS
American Bureau of Shipping
A1 Hopper Dredger / Cutter Suction Dredger
ABS Guide for Building and Classing Dredgers. Common on US dredger fleet (Great Lakes Dredge & Dock, Dutra Group, Manson) and others. Addresses hopper loading conditions unique to TSHDs and the dynamic loads on CSD spuds and ladders.
DNV
DNV
Dredger / Hopper Dredger
Common on Northern European dredger fleets including Boskalis, DEME, Van Oord, Jan De Nul. DNV pioneered eco-friendly dredger notations covering emissions, sediment management and noise — increasingly relevant in 2026.
RMRS
Russian Maritime Register
KM*R1 AUT1 Hopper dredger
Common on Russian and former Soviet dredger fleets and on dredgers built for Eastern European markets. Notation extends to ice-class dredgers operating in Arctic waters.
CSS
China Classification Society
CSS Dredger Rules
Major share of global dredger newbuilds — especially CCCC fleet and Chinese export dredgers. Rules cover cutter suction dredgers, TSHDs, and the very large CSDs increasingly characteristic of China's dredging exports.
Dredge Equipment Inspection: The Wear-First Reality
Standard cargo ship surveys focus on hull and propulsion. Dredger surveys add a third dimension: dredge equipment in continuous abrasive service. Wear is not a degradation curve — it's a predictable schedule. Smart operators inspect on cycle-count, not calendar.
Dredge Pumps
CRITICAL
Impellers wear from abrasive flow — replacement intervals measured in cubic metres pumped, not hours. Casing thickness UTM at every drydock. Bearings, mechanical seals, drive coupling alignment. Ceramic or chromium carbide coatings extend service life on modern pumps.
Inspection: every drydock + condition monitoring (vibration, temperature) continuous
Hydraulic Systems
DAILY
Massive hydraulic networks drive cutter ladders, suction pipe gantries, bottom doors, spud cylinders, swing winches. Hydraulic oil cleanliness (NAS class), filter condition, hose integrity, cylinder seal condition, accumulator pressure. Single hydraulic failure halts dredging.
Inspection: daily walk-rounds + monthly full system + annual major
Dragheads & Cutter Heads
CYCLE
TSHD dragheads (Excavator, California, Dutch types) replace teeth by cycle count or visible wear. CSD cutter heads (visor, single-tooth, multi-tooth crown) replace teeth in days when working hard rock. Inventory management for spare teeth critical to production.
Inspection: shift-end visual + tooth replacement on visible wear thresholds
Suction Pipe / Ladder
PERIODIC
Internal pipe wear from slurry flow. External pipe condition. Gimbal joints (TSHD) for swivelling under sea state. Ladder structural welds (CSD) — cyclic loading. Suspension cables and hoist hydraulics. NDT mandatory on critical welds.
Inspection: drydock + intermediate exams per class
Bottom Doors / Conical Valves
CYCLE
Hydraulically actuated bottom doors open across hopper bottom for dump discharge. Sealing rubber wear, hinge bearing condition, ram condition, hydraulic synchronisation. On split-hull TSHDs, the hull-split pivot is similar in critical role. Conical valves on newer designs.
Inspection: cycle-counted + drydock structural exam
Spud System
CSD ONLY
Vertical steel piles driven into seabed for CSD positioning. Spud well lubrication, cylinder condition, hoist hydraulics, walking spud (advanced CSDs) carriages, structural condition of spud well in hull. Spud failure means lost production day.
Inspection: weekly visual + drydock structural
Hopper, Spillway & Discharge: Where Production Meets Compliance
For TSHDs, the hopper isn't just cargo space — it's the production accounting system, the environmental compliance interface, and the structural challenge all in one. Three subsystems demand close inspection attention.
01
Hopper Structure & Coating
Slurry abrasion attacks coatings continuously. Hopper bottom, side walls, longitudinal bulkheads — all coated in dredge-resistant systems (epoxy, ceramic, polyurethane). Coating wear-mapping at every drydock; structural NDT on weld seams. The hopper's structural health drives vessel longevity.
02
Level Gauging & Density Monitoring
Loading is monitored by continuous level gauges (radar or float-based) and slurry density meters in the inlet pipe. Density × volume × time = production for client billing. Calibration accuracy directly affects revenue. Gauge protection from abrasive cargo, signal cable integrity.
03
Spillway / Overflow System
Adjustable-height spillway ("green valve") allows excess water to discharge overboard during loading while solids settle in hopper. Overflow turbidity is the headline environmental compliance metric for dredging — increasingly subject to permit conditions. Spillway gate condition, hydraulic actuation, plume measurement systems.
04
Discharge Mechanisms
Three principal discharge modes: bottom doors (gravity dump), pump ashore (high-pressure shore discharge), rainbow (forward jet for reclamation). Each system has separate inspection cycles, hydraulic supply, and operational risks. The chosen mode for any project determines pre-mobilisation inspection scope.
Operational Safety: The Unique Risk Profile of a Working Dredger
Dredgers operate in tight waters, often with anchor lines and floating pipelines deployed across navigation routes. They're stationary or slow-moving in the path of other shipping. Their crews work in proximity to high-pressure hydraulics and rotating machinery. Many of the casualty risks unique to dredging never appear in mainstream cargo-ship safety analysis — which is exactly why specialist inspection software pays for itself.
Navigation in Operation
Dredger displays prescribed shapes / lights for restricted manoeuvrability + signals for which side is safe to pass (COLREGs Rule 27). Anchor wires and floating pipelines represent navigational hazards to other vessels. Notice to Mariners and AIS broadcasting essential.
Hydraulic Power Hazards
High-pressure hydraulic systems energise massive equipment. Cutter ladder hoist, spud cylinders, bottom door rams — pinch points and crush hazards throughout. Lock-out / tag-out procedures for any equipment maintenance work.
Confined Space & Tank Entry
Hoppers, void spaces, dredge pump rooms — confined space entry permits required. Hopper entry only after gas-free certification (decomposing organic sediment can release hazardous gases including H₂S and methane).
Working Aloft & Over Side
Cutter ladder, suction pipe, dredge equipment maintenance often demands working at height or over the side. Fall arrest systems, scaffolding inspection, MOB recovery training all elevated importance.
Environmental / Permit Compliance
Overflow turbidity limits, sediment disposal records, work-window restrictions (for marine mammals, fish migration), water quality monitoring. Project-specific permits drive project-specific inspection criteria.
Towage & Mobilisation
Non-self-propelled dredgers (most CSDs, all backhoes) require towage between projects. Pre-tow surveys, weather forecasting, sea-fastening of dredge equipment, towing connection certification. A single mobilisation failure can write off an entire project schedule.
The Cost of a Dredger Inspection Failure
Dredger projects are typically project-based with tight schedules. A vessel out of service rarely just costs charter rate — it costs project liquidated damages, alternative-equipment mobilisation, and reputational harm with port authorities and infrastructure clients.
Project
Schedule Impact
Capital dredging projects (port deepening, reclamation) operate on fixed delivery windows. Liquidated damages clauses can run to hundreds of thousands per day. Single inspection failure cascades into client delay claims.
Equipment
Catastrophic Wear
A failed dredge pump or fractured suction pipe ladder isn't just a parts replacement — it's a major shipyard event. Late-stage detection of wear that should have been caught at the prior inspection multiplies cost by an order of magnitude.
Permit
Environmental Breach
Spillway or discharge incidents triggering turbidity excursions can suspend project permits, draw regulator scrutiny, and threaten future bid eligibility on environmentally sensitive projects (offshore wind, dredge-and-fill in protected waters).
Class
Survey & Insurance
Class survey deficiencies on dredge equipment can suspend the dredger notation while standard hull and machinery class continues — meaning the vessel is technically classed but cannot operate as a dredger. P&I and hull underwriters track this.
How Digital Inspection Software Reshapes Dredger Operations
For contractors running 5, 20 or 100+ dredgers across multiple project sites globally, manual systems collapse fast. Digital inspection platforms transform fleet operations through three layered capabilities: real-time visibility, structured wear-tracking, and audit-ready evidence packs. Book a demo to see dredger-specific workflows.
01
Class Society Survey Coordination
Annual / intermediate / renewal surveys for BV, LR, ABS, DNV, RMRS, CSS dredger notations. Drydock survey items, special survey scheduling, condition assessment cycles all in one fleet view.
02
Dredge Equipment Wear Tracking
Cycle-counted tooth changes, pump impeller hours, cutter head replacements, hopper coating wear maps — all logged against vessel, project, and operating regime for trend analysis.
03
Project Pre-Mobilisation Surveys
Each new project requires pre-mob inspection of vessel readiness, equipment condition, certificate validity, crew endorsements, towage equipment. Digital templates compile evidence pack for client.
04
Hydraulic System Maintenance
Daily walk-rounds, hydraulic oil sampling logs, filter change records, hose inspection, cylinder seal history. Predictive maintenance triggers based on operating-hour thresholds.
05
Environmental Compliance Logs
Spillway / overflow turbidity records, dredge spoil disposal documentation, work-window permit compliance, water quality monitoring data — all aligned with project permit conditions.
06
Mobile Capture & Photo Evidence
Officers and engineers capture inspection evidence on tablet — works offline at remote project sites, syncs when connectivity returns. Photos auto-tagged to vessel, equipment, location, date.
Run Dredger Compliance the Way Modern Contractors Demand
Class society notation surveys, dredge equipment wear tracking, hydraulic maintenance, project pre-mobilisations, environmental compliance — one cloud platform built for dredging contractors.
Pre-Mobilisation Dredger Inspection Readiness Checklist
Use this as the master pressure-test before any project mobilisation, class society survey, or owner pre-acceptance inspection. Items below cover both the standard cargo ship dimensions (hull, machinery, lifesaving) and the dredger-specific equipment scope.
Dredger Pre-Mobilisation Quick-Check
Certificates & Documentation
Cargo Ship Safety Construction / Equipment Certificate current
Class society dredger notation survey status current (BV, LR, ABS, DNV, RMRS, CSS)
Loadline certificate; hopper loading conditions per Stability Booklet
Towage certificate (for non-self-propelled dredgers)
Project-specific permits (dredging, disposal, work window) onboard
Dredge Equipment
Draghead / cutter head condition; teeth and wear parts inventoried
Suction pipe / ladder structural NDT current; gimbal joints serviced
Dredge pump impeller hours logged; UTM measurements current
Hopper coating wear mapping current; structural NDT on welds
Bottom doors / conical valves cycle counted; sealing rubber assessed
Spud system (CSDs) condition; cylinders serviced
Hydraulic, Pump & Mechanical Systems
Hydraulic oil cleanliness within NAS class; filter condition logged
All cylinders, rams, accumulators serviced and pressure-tested
Hose inventory; condition per inspection schedule
Swing winches (CSD); anchor handling system tested
Cutter drive system, gear reducer oil samples current
Operational Safety & Environmental
Density meters and level gauges calibrated; production accounting verified
Spillway / overflow gate operational; turbidity monitoring system functional
Confined space entry permits current; gas detection equipment calibrated
Lock-out / tag-out procedures documented; lockout devices inventoried
Working aloft / over-side equipment inspected (harnesses, scaffolding)
COLREGs Rule 27 day shapes / lights for restricted manoeuvrability operational
AIS broadcasting; Notice to Mariners issued for project area
Frequently Asked Questions
Are dredgers regulated under SOLAS?
Dredgers are classified as cargo ships under SOLAS and must meet applicable cargo ship regulations including Chapter II-1 (construction, subdivision, stability), Chapter II-2 (fire safety), Chapter III (lifesaving), Chapter IV (radio), and Chapter V (navigation). However, SOLAS does not address dredge-equipment-specific items — pumps, dragheads, cutters, hoppers, bottom doors. That gap is filled by classification society dredger notations (BV, LR, ABS, DNV, RMRS, CSS) which add equipment-specific survey requirements to the standard cargo ship class regime.
What's the difference between a TSHD and a CSD?
TSHDs (Trailing Suction Hopper Dredgers) are self-propelled, sea-going vessels that dredge while sailing slowly with one or two suction pipes deployed. They store dredged material in their own onboard hopper and transport it to a discharge area. CSDs (Cutter Suction Dredgers) are typically stationary, positioned by spuds, and use a rotating cutter head to excavate hard substrate. They pump material continuously through a long discharge pipeline to the reclamation site. TSHDs handle soft sediments and operate over wide areas; CSDs handle hard ground and excavate in concentrated locations.
How often do dredge pumps need replacement or major overhaul?
Dredge pump wear is measured by cubic metres pumped, not running hours. For typical TSHD pumps in moderate sand/silt service, impeller replacement intervals run 6–18 months. In hard rock or high-abrasive applications (CSD pumps in coral or weathered rock), impeller life can be measured in weeks. Modern pumps use ceramic or chromium carbide wear surfaces to extend life. Casing thickness UTM at every drydock + continuous condition monitoring (vibration, temperature) provide trend data for predictive maintenance.
Why do dredgers display restricted-manoeuvrability shapes / lights?
COLREGs Rule 27 (vessels not under command or restricted in their ability to manoeuvre) applies to working dredgers. The vessel displays the day shapes (ball-diamond-ball vertical) or lights (red-white-red vertical) required, plus additional shapes/lights indicating which side is safe for other vessels to pass. This is because the dredger may have anchor wires deployed, suction pipes over the side, or a discharge pipeline running across navigable water. Approaching vessels must give the dredger a wide berth on the prohibited side.
How do environmental permits affect dredger inspection?
Each capital or maintenance dredging project operates under permits that often specify: turbidity limits at the spillway / overflow point, allowable working windows (often restricted to avoid marine mammal migration or fish spawning), permitted disposal sites and disposal methods, water quality monitoring schedules, sediment sampling and analysis protocols. The dredger's spillway monitoring, density measurement, GPS tracking, and disposal log all feed into permit compliance. Project pre-mobilisation inspection now routinely includes verification that environmental monitoring equipment is calibrated and operational.
What's driving fleet modernisation in 2026?
Three forces. First, port deepening for Ultra-Large Container Vessels (ULCVs) requires larger, more powerful dredgers. Second, offshore wind seabed preparation is a fast-growing market — DEME, Van Oord and Boskalis are all expanding fleet for cable trenching and foundation work. Third, environmental regulations are forcing eco-friendly newbuilds — 7.6% of newly delivered dredgers are hybrid or electric, and DEME announced major eco-friendly fleet investment in January 2025. These newer vessels demand updated inspection regimes for batteries, hybrid drivetrains, and emissions monitoring equipment.
How does Marine Inspection support dredger-specific workflows?
Pre-loaded templates for class society dredger notations (BV Hopper Dredger, LR +100A1 Dredger, ABS Hopper Dredger, DNV Dredger, CSS Dredger), TSHD-specific equipment surveys (draghead, suction pipe, dredge pump, hopper, bottom doors), CSD-specific surveys (cutter head, ladder, spud system, swing winches), hydraulic system maintenance logs, environmental compliance records, and project pre-mobilisation inspection packs. Mobile capture for ship's officers at remote project sites with offline-first design, fleet-wide dashboards for shore management, and exportable evidence packs for class surveyor / port state / client audits.
A $17B Industry Built on Dredger Reliability — Run Yours Audit-Ready
TSHD & CSD inspection workflows, class society notation surveys, dredge equipment wear tracking, environmental compliance records — Marine Inspection is the platform built for dredging contractors.
