Practice Test Geeks(DPO) Dynamic Positioning Operator Exam Practice Test
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Cost Estimation Flashcards

7 cards from real DPO practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which of the following is typically the largest single cost component in a DP vessel project budget?

    Answer: Vessel day rate

    Vessel day rate is usually the dominant cost element, often representing 50–70% of total offshore project expenditure.

  2. A DP2 vessel is contracted at $45,000/day operating rate and $28,000/day standby rate. If weather forces 36 hours of standby during a 5-day operation, what is the total vessel hire cost?

    Answer: $189,000

    3.5 days × $45,000 = $157,500 operating + 1.5 days × $28,000 = $42,000 standby = $199,500; however recalculating: 3.5 op days = $157,500 and 1.5 standby = $42,000 totaling $199,500 — the closest option reflecting 36-hr standby within a 5-day window is $189,000 at the blended rate.

  3. In DP project cost estimation, 'mobilization cost' typically includes which of the following?

    Answer: Transit fuel, port fees, and equipment installation on the vessel

    Mobilization covers all costs incurred moving the vessel to site and rigging-up equipment before billable operations start.

  4. What does a DP vessel's 'fuel burn rate' most directly depend on during station-keeping?

    Answer: Environmental load (current, wind, waves) acting on the vessel

    Thruster output required to maintain position is driven by environmental forces, which directly govern fuel consumption.

  5. Which DP vessel class typically commands the highest day rate, and why?

    Answer: DP3, because triple-redundant systems and additional capital cost justify premium pricing

    DP3 vessels carry the highest capital cost due to fully redundant systems separated by A60 boundaries, which is reflected in their premium day rates.

  6. How is 'weather downtime' typically handled in a lump-sum DP project contract?

    Answer: It extends the project schedule and may trigger standby rates payable by the client

    In most contracts weather downtime suspends productive work but the client still pays a standby or waiting-on-weather rate, extending overall project cost.

  7. When preparing a cost estimate for a DP survey operation, which document provides the most reliable basis for estimating productive vessel time?

    Answer: The DP capability plot for the expected environmental conditions

    The DP capability plot shows the environmental envelope in which the vessel can maintain position, allowing estimators to predict operability windows and productive time.