Maintenance & Turnaround Planning Flashcards
7 cards from real SPED practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Maintenance & Turnaround Planning flashcards as text
Which scheduling technique is most commonly used to manage complex turnaround activities with multiple dependencies?
Answer: Critical Path Method (CPM)
CPM establishes logical dependencies between activities and identifies the critical path controlling overall project duration.
A 'permit to work' (PTW) system during a piping turnaround primarily serves to:
Answer: Control simultaneous operations and ensure hazard mitigation before work begins
PTW systems ensure all hazards are identified and controlled before authorizing work, particularly in hazardous piping systems.
What is 'mechanical completion' in the context of a piping turnaround?
Answer: All physical work is done and systems are ready for pre-commissioning checks
Mechanical completion confirms all physical work items are finished and the system is ready for testing and commissioning activities.
During turnaround planning, a 'level of effort' (LOE) activity differs from a discrete activity in that it:
Answer: Spans the entire project and supports other activities rather than producing a specific deliverable
LOE activities like supervision and safety monitoring run throughout the project and support discrete work rather than producing tangible outputs.
Which risk mitigation strategy is most appropriate when a high-consequence piping system cannot be fully inspected during a turnaround due to access constraints?
Answer: Apply fitness-for-service (FFS) assessment using available inspection data
FFS assessment per API 579 evaluates remaining life and acceptability of continued operation when complete inspection is impractical.
What is the function of a 'punch list' at the conclusion of a piping turnaround?
Answer: Documents incomplete or deficient items requiring correction before or after startup
A punch list catalogs outstanding deficiencies, categorized by whether they must be resolved before startup (A-items) or can be deferred (B-items).
In piping system maintenance planning, what does the 'P-F interval' represent?
Answer: The time between a potential failure becoming detectable and functional failure occurring
The P-F interval defines the detection window — how long after a potential failure is detectable before function is lost — guiding inspection frequency.