Skip to content
Danaos

Orchestrating Vessels, Replacements, Operators, and Maintenance as One Project System

Marine construction and upstream projects do not start offshore. They start at the budget.

 

In fact, during budgeting, the Bill of Quantities (BoQ) and the Work Breakdown Structure (WBS) already define:

 

  • What work the team will execute (activity description – WBS)
  • In what quantity and intensity (BoQ)
  • Over what time window (rough-cut schedule)

 

As a result, from that point the type and category of construction vessels and heavy marine equipment are no longer assumptions—they are budgeted project resources.

 

For example, a piling activity implies a pile-driving vessel or jack-up. Similarly, a trenching BoQ implies a CSD, backhoe dredger, or a substitute spread. Finally, a deepwater installation activity implies a DP construction vessel.

 

Therefore, this is where ProjectVIEW ERP starts—before the project ever mobilizes.

 

Article content
Marine Construction Vessel Types

 

From BoQ & WBS to Vessel Type and Replacement Logic

 

In practice, ProjectVIEW directly links:

 

  • BoQ quantities → workload intensity
  • WBS activities → execution method
  • Execution method → vessel category and acceptable replacements

 

Then, for each activity, ProjectVIEW defines:

 

  • Primary vessel type
  • Approved replacement vessels
  • Operating mode (DP, anchored, spud, sailing)
  • Expected productivity rate
  • Associated crew and operators

 

As a result, this eliminates vague planning like:

 

“We’ll probably need a crane barge around that time.”

 

Instead, the system knows:

 

“This activity consumes 420 operating hours of a DP crane vessel or an approved anchored alternative.”

 

Budgeting Is Impossible Without Maintenance, HR, and Tools Alignment

 

However, this is where most systems collapse.

 

After all, you cannot budget vessel availability without knowing:

 

  • Maintenance windows
  • Consumed operating hours
  • Crew certification and rotations
  • Tooling and spare readiness

 

For this reason, ProjectVIEW forces budgeting to align with:

 

  • Maintenance schedules linked to operating hours
  • Tooling and auxiliary equipment availability
  • Crew, operators, and certifications
  • Spare parts criticality

 

In short, the result is speculated but realistic availability, not optimistic fiction.

 

For instance, a vessel is not “available” if:

 

  • It is 80 hours away from mandatory service
  • The certified DP crew is not available
  • Critical spares are not in stock
  • A replacement vessel violates project constraints

 

Consequently, ProjectVIEW blocks these conflicts at budget stage, not offshore.

 

Planning & Mobilization Through Resource Levelling

 

Once the budget is in place, ProjectVIEW moves to planning and mobilization. There, it levels everything against time and activity sequence:

 

  • Vessels
  • Replacement spreads
  • Heavy machinery
  • Operators and crew
  • Tools and support equipment

 

However, no one plans in isolation.

 

Instead, ProjectVIEW schedules:

 

  • Vessel availability vs WBS activities
  • Crew rotations vs operating modes
  • Maintenance windows vs critical path
  • Replacements when constraints limit primary assets

 

In other words, mobilization is not a date—it is the result of resource levelling across time.

 

Project-Consumed Hours Drive Maintenance and Availability

 

Once execution starts, ProjectVIEW tracks actual project-consumed operating hours:

 

  • Per vessel
  • Per operating mode
  • Per project
  • Per activity

 

In turn, ProjectVIEW triggers maintenance by:

 

  • Running hours
  • Dredging hours
  • Crane lifting hours
  • DP hours
  • Engine or auxiliary usage

 

Not calendar guesses.

 

Then, when usage reaches a threshold:

 

  • The system schedules maintenance automatically
  • It blocks asset availability
  • It triggers spares and services
  • It charges costs to the project that consumed the hours

 

As a result, this creates project accountability, not fleet-level ambiguity.

 

Operator and Crew Matching Is Enforced, Not Assumed

 

A vessel without the right crew is a liability.

 

Therefore, ProjectVIEW enforces:

 

  • Operator–vessel compatibility
  • Certification validity
  • Experience per vessel class
  • Fatigue, rotation, and compliance rules

 

In short, the team plans the crew with the vessel, not after it.

 

Why Only ProjectVIEW ERP Can Do This

 

By contrast, generic ERPs manage:

 

  • Assets as static registers
  • Maintenance as accounting events
  • Crew as HR records
  • Planning in disconnected tools

 

However, marine construction does not work that way.

 

ProjectVIEW ERP is the only project-centric system that orchestrates:

 

  • Vessels and heavy equipment
  • Approved replacements
  • Maintenance driven by project-consumed hours
  • Operators and crew
  • Tools and spares
  • Budgeting, planning, mobilization, and execution

 

It does so within one project context, where BoQ, WBS, time, and cost govern every decision.

 

Bottom Line

 

Marine construction is not about owning assets. Instead, it is about orchestrating constrained, expensive, high-risk resources against time.

 

ProjectVIEW ERP does not ask:

 

“Do we have a vessel?”

 

Instead, it asks:

 

“Can this project execute this activity, at this time, with this vessel, this crew, and this remaining maintenance life?”

 

Ultimately, that is the difference between planning and control.

 

 

 

 

 

 

 

 

Christos Emmanouilidis

About the author

Eng. Christos Emmanouilidis

Chief Customer & Commercial Officer, DANAOS Projects

Eng. Christos Emmanouilidis is Chief Customer & Commercial Officer at DANAOS Projects and a subject-matter expert in construction cost control, industry-specific ERP and the digital transformation of project-based enterprises. A Civil Engineer with more than 25 years of international experience in engineering, construction management, quality and commercial strategy, he leads the global market development of ProjectVIEW ERP for construction, infrastructure,…