A hardware substitution should explain exactly what changes and who accepts the effect. A similar-looking component may differ in dimensions, finish, accessories or suitability. Keep the proposed alternative separate from the approved reference until the responsible technical and commercial reviewers have completed the relevant assessment.
A hardware substitution should explain exactly what changes and who accepts the effect. A similar-looking component may differ in dimensions, finish, accessories or suitability. Keep the proposed alternative separate from the approved reference until the responsible technical and commercial reviewers have completed the relevant assessment.
Record the original reference, quantity and application. Explain whether the change follows unavailable stock, a revised design or another cause. Ask the supplier to identify the alternative precisely and show the relevant differences rather than describing it only as equivalent.
Keep the source information with the change request. A catalogue extract, sample or manufacturer document may help the reviewer, depending on the requirement. Procurement should coordinate that evidence without deciding technical compatibility from appearance or a verbal assurance.
Ask the competent designer, fabricator or maintenance reviewer to assess how the alternative interacts with the intended application. Identify any related components that must also change. A replacement fitting may alter more than the single purchase-order line if the surrounding assembly was designed around the original reference.
Check whether applicable product evidence or specialist review needs updating. Do not assume a document for the original item automatically covers the alternative. Keep aesthetic approval separate where it does not answer technical or regulatory questions.
Request the revised cost, delivery commitment and any return or cancellation consequence for the original order. Determine whether quantities or pack sizes change. A lower unit price can still increase the total if it requires additional components or creates unusable surplus.
Identify the customer authorised to approve the variation. A site request or supplier suggestion should not become an untracked order change. Preserve the accepted proposal and update the purchase schedule so the receiving team knows which reference is now expected.
At receipt, reconcile the item with the accepted alternative and its conditions. Retain the relevant evidence and sample identifier. Do not treat delivery itself as approval if the review remained incomplete. Update the repeat-item register only after acceptance, so the alternative does not spread to other applications that have not been assessed. A controlled substitution resolves the immediate supply problem while preserving the project's technical and commercial decision trail.
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