Deepwell Cargo Pump Pre-Operation Check
Use this Deepwell Cargo Pump Pre-Operation Check template to verify shaft rotation, lubrication, suction conditions, cavitation risk, and motor protection before startup. It helps catch mechanical and electrical deficiencies before they become a pump failure or spill.
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Overview
This template is a pre-operation inspection for a deepwell cargo pump, built to confirm the pump is safe and ready before startup. It walks the inspector through identification and authorization, manual shaft rotation, coupling and guard condition, seal or stuffing box leakage, cargo lubrication readiness, suction path condition, cavitation risk, priming status, current-relay trip verification, and final work-area release.
Use it when a pump is about to be started after maintenance, after layup, after a cargo change, or any time the crew needs a documented startup check. It is especially useful where a dry run, restricted suction, incorrect lubrication, or a mis-set overload could damage the pump or create an unsafe transfer condition. The form is designed for a competent person who can verify the equipment in person and stop the startup if a deficiency is found.
Do not use this template as a substitute for overhaul records, electrical test reports, or a full permit-to-work system. It is not meant for unrelated rotating equipment, and it should not be used to certify a pump that has known mechanical damage, active leakage beyond acceptable limits, or unresolved protection faults. If the pump cannot be rotated freely, cannot be primed, or shows cavitation risk that is not acceptable, the correct outcome is corrective action and reinspection, not a startup release.
Standards & compliance context
- The template supports OSHA general industry expectations for safe startup, guarding, and control of hazardous energy by requiring pre-operation verification before the pump is energized.
- It aligns with ANSI/ASSP safety management practices by assigning the check to a competent person and requiring documented deficiencies and corrective action.
- Where the pump is part of a marine, terminal, or process transfer system, the checklist helps demonstrate adherence to site procedures and permit-to-work controls.
- If the pump area includes ignition sources or flammable cargo, the work-area and PPE checks support fire and life safety practices commonly addressed under NFPA codes and local AHJ requirements.
General regulatory context for orientation only — verify current requirements with counsel or the relevant agency before relying on this template for compliance.
What's inside this template
Inspection Details and Authorization
This section confirms the pump, the inspector, and the startup authority are all correctly identified before any equipment is touched.
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Pump identification recorded
Record pump name/number, vessel or facility location, and cargo line or tank served.
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Inspection performed by competent person
Confirm the inspector is authorized and competent to perform the pre-operation check.
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Operating permit or startup authorization verified
Confirm required work authorization, permit, or startup approval is in place before operation.
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Reference procedure available at point of use
Confirm the applicable SOP or manufacturer procedure is available for the inspection and startup sequence.
Mechanical Readiness and Shaft Rotation
This section catches binding, misalignment, leakage, and loose hardware before the pump is energized.
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Shaft rotates freely by hand through full travel
Manually rotate the shaft to confirm smooth movement without binding, rubbing, or abnormal resistance.
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No abnormal noise, scraping, or mechanical interference observed
During manual rotation, confirm there is no scraping, grinding, or intermittent contact indicating internal interference.
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Coupling, guards, and fasteners secure
Verify accessible coupling components, guards, and fasteners are installed and secure before startup.
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Seal, stuffing box, or gland area shows no visible leakage beyond acceptable limits
Inspect the seal area for leakage, damage, or signs of overheating. Record any non-conformance.
Cargo Lubrication and Suction Conditions
This section verifies the pump has the lubrication and inlet conditions needed to avoid dry running or air entrainment.
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Cargo lubrication available and correctly aligned
Confirm the cargo-lubrication supply is available, valves are aligned correctly, and the pump is not starved of lubrication.
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Lubrication line pressure within acceptable range
Record the lubrication line pressure and verify it is within the acceptable operating range.
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Suction path open and unobstructed
Verify suction valves, strainers, and associated flow path are open and free of obstruction before operation.
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Cargo level and suction head adequate to prevent air entrainment
Confirm cargo level, trim, and suction conditions are suitable to avoid air ingress or loss of prime.
Cavitation and Electrical Protection Verification
This section checks the startup risks that can damage the pump even when the mechanical condition looks acceptable.
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Cavitation risk assessed as acceptable
Verify operating conditions, suction head, and flow path are adequate to minimize cavitation risk before startup.
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Pump primed or ready for flooded suction condition
Confirm the pump is properly primed or otherwise in the required ready condition before energizing.
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Current-relay trip setting verified
Confirm the current-relay trip setting matches the approved operating setpoint for the pump and motor.
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Motor protection and overload devices in service
Verify overloads, protection relays, and related electrical safeguards are enabled and not bypassed.
Work Area, PPE, and Final Release
This section confirms the area is safe, the right PPE is in use, and any deficiencies are documented before release.
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Work area clear of spills, obstructions, and ignition hazards
Confirm the area around the pump is clean, dry where required, and free of trip, slip, and ignition hazards.
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Required PPE available and worn
Verify required PPE is available and being worn for the task, such as gloves, eye protection, and hearing protection as applicable.
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Deficiencies documented and released for corrective action or startup
Record any deficiencies, non-conformances, or corrective actions before authorizing startup.
How to use this template
- 1. Record the pump identification, confirm the inspection is authorized, and open the reference startup procedure at the point of use.
- 2. Walk the pump train and verify the shaft rotates freely by hand, the coupling and guards are secure, and there is no scraping, abnormal noise, or visible leakage beyond acceptable limits.
- 3. Check that cargo lubrication is available, the line is aligned and within the required pressure range, and the suction path is open with adequate cargo level or suction head.
- 4. Confirm cavitation risk is acceptable, the pump is primed or in flooded suction condition, and the current-relay trip setting and overload protection are in service.
- 5. Clear the work area of spills, obstructions, and ignition hazards, confirm required PPE is worn, and document any deficiency before releasing the pump for corrective action or startup.
Best practices
- Verify shaft rotation by hand through the full travel before any electrical start attempt.
- Treat any scraping, binding, or uneven resistance as a stop condition until the cause is identified.
- Check seal, stuffing box, or gland leakage at the time of inspection, not after the pump has already been started.
- Confirm cargo lubrication line alignment and pressure against the site procedure, especially after cargo changeover or line isolation.
- Use suction head and cargo level as observable startup criteria, and do not rely on assumption or verbal confirmation alone.
- Document cavitation risk explicitly when suction conditions are marginal, because a pump can be mechanically intact and still fail at startup.
- Photograph leaks, damaged guards, loose fasteners, or blocked suction conditions so the corrective action record matches the field condition.
What this template typically catches
Issues teams running this template most often surface in practice:
Common use cases
Frequently asked questions
What does this deepwell cargo pump pre-operation check cover?
It covers the key startup conditions that can damage a deepwell cargo pump or create a spill: manual shaft rotation, coupling and guard integrity, seal or gland leakage, cargo lubrication readiness, suction path condition, cavitation risk, and current-relay or overload protection. It is designed for the final check before energizing or placing the pump in service. It does not replace maintenance, overhaul, or a full preventive maintenance inspection.
When should this template be used?
Use it immediately before startup, after maintenance, after any pump disturbance, and after a cargo change that could affect lubrication or suction conditions. It is also useful after layup, extended idle time, or any event that could introduce air, contamination, or misalignment. If the pump has already been running normally and no condition has changed, a full pre-operation walk-through may not be necessary every time, but local procedure should define the cadence.
Who should complete the inspection?
A competent person or trained operator who understands the pump, cargo system, and site startup procedure should complete it. Electrical protection checks may require coordination with maintenance or an authorized technician, depending on site rules. The person signing off should be able to identify a deficiency, stop the startup, and escalate it for correction.
Does this template align with OSHA or other standards?
Yes, it supports the kind of pre-use verification expected under OSHA general industry and marine or industrial safety programs, especially where rotating equipment, guarding, energy isolation, and safe work practices are involved. It also fits well with ANSI/ASSP safety management practices and site procedures for startup authorization. If the pump is part of a regulated process, local procedures and the applicable code family should govern the final release.
What are the most common mistakes when using this checklist?
The most common mistake is treating the check as a yes/no form without actually confirming shaft movement, suction head, or relay settings. Another is skipping the lubrication line or assuming the pump is primed when it is not. Inspectors also miss small seal leaks, loose guards, or a partially blocked suction path that can lead to cavitation at startup.
Can I customize this for my vessel, terminal, or cargo type?
Yes. You can add cargo-specific lubrication limits, local startup authorization fields, alarm setpoints, or additional checks for temperature, viscosity, or transfer line configuration. Many teams also add vessel name, berth, tank number, and a sign-off field for operations and maintenance when both groups must approve startup.
How does this compare with an ad-hoc verbal startup check?
A verbal check is easy to forget and hard to audit. This template creates a consistent record of what was verified, who verified it, and what was found before the pump was started. That makes it easier to stop a bad startup, document a deficiency, and show that the crew followed the required procedure.
Can this template be integrated into a digital workflow?
Yes. It works well in a mobile inspection app, CMMS, or permit-to-work workflow because the fields are discrete and action-oriented. You can route failed items to maintenance, attach photos of leaks or guard issues, and require authorization before the final release step is completed.
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