Engineering Calculation

Residual Life & Fitness Certificate for Machinery

Assess the remaining useful life and fitness of a machine and print a draft certificate for a Chartered Engineer to review and sign.

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Formula

Remaining life from design life, age and condition rating

Condition checklist and remarks

Printable certificate draft

Worked example

Common for second-hand machinery import and bank or insurance requirements

Where engineers use it

How to use

  1. Click Open the calculator. It runs free in your browser, on desktop or phone.
  2. Enter your values. Units and typical ranges are shown next to each input.
  3. Read the result and the step-by-step working, then print or add it to your Project BOQ.

Questions

Is the draft ready to submit?

It is a draft. The signing engineer must inspect the machine and confirm every entry.

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