Project Guides
Custom Lighting Change Orders After Production Starts

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When a custom lighting order changes during production, ask the manufacturer to identify the affected parts and their current stage. A single drawing revision can leave some parts usable, send others back for review and require a new run for the rest.
Imagine an approved glass pendant with a brass collar. The designer requests a different finish after work begins. The glass may be unaffected, but the answer for the collar depends on what has already been cut, finished or assembled. The same request can have different consequences for different units in one order.
Make the change visible at part level
Start with the approved drawing and mark exactly what changed. For a finish revision, identify the surfaces involved and whether the request also changes the material, dimensions or adjacent parts. Ask the factory for a dated snapshot of the affected items, grouped by what is still planned, what is in process and what is already complete.
Use three dispositions for the response: retain, review for rework, or remake. Give each line a part reference, quantity and reason. “Review for rework” means the method and acceptance criteria still need agreement. The category should stay provisional until the factory has checked the actual part and process.
In the collar example, unstarted pieces may proceed under the revised specification once approved. Finished pieces need a separate feasibility decision. Assembled fixtures may also need a review of disassembly and subsequent checks. These are possible branches in a hypothetical order, not predictions of what a specific finish can tolerate.
Compare two decisions using the same order baseline
One option is to apply the new specification to the entire order. Ask what would be retained, remade or reviewed for rework, then request the effect on the agreed delivery plan. Include any new sample approval or checking step in that discussion. A finish change that looks small on paper can create a new dependency if the buyer must approve a revised sample before work resumes.
Another option is a split revision, if the project can accept two approved configurations. Decide where each version can go and how the units will be identified in the order and packing records. If both versions will be visible together, obtain explicit design acceptance before choosing this route. A split can be impractical even if it is feasible to manufacture.
Ask for a written comparison that states which cost and schedule effects are confirmed and which depend on a pending decision. Keep the original order scope visible alongside the proposed changes. This makes it possible to judge whether the design benefit justifies the effect on production without assuming a generic surcharge or delivery date.
Release only the affected work against the agreed revision
Confirm which work should pause while the decision is open and which unaffected work can continue. Once the change is accepted, link the revised drawing, finish approval and affected quantities in the same instruction. If the order will include two versions, each version needs a clear allocation and a way for the receiving team to recognise it.
Meiyun Lighting carries out metalworking, finishing, glass fabrication and LED assembly in house. For a bespoke decorative lighting change request, share the current approval, marked revision and the decision deadline. The custom lighting production process guide describes the manufacturing stages. The factory can use the actual work status to discuss feasible next steps, with any cost, timing and required checks confirmed for that order.
