KENYA · GUIDE 0418 · EDITION 4.7
Decorative concrete casting in Kenya: Operations and Quality Checks
Deliver the agreed result consistently
Choose a decorative casting intended for a clearly defined nonstructural use, developing a prototype that resolves mould release, edge handling and the customer's preferred surface finish.
The operating sequence for this offer is:
- Choose one explicitly non-structural product and record dimensions, material suitability and intended use before preparing a mould or sample.
- Approve a sample finish and run a controlled small batch; record material quantities, curing arrangements and rejected pieces.
- Inspect dimensions, cracks and exposed edges before packing; label intended use and never market the item as a structural component.
Put acceptance into the job record
Dimensions and finish are repeatable, with sharp edges and visible defects rejected.
Ask the customer to inspect the fully finished sample, comparing texture, colour variation and stability against the approved prototype rather than judging an unfinished freshly demoulded piece.
Inspect at the point where a correction is still possible, then again at handover. Record rejected or incomplete output separately from accepted output. A completed task is not automatically an accepted task, and an invoice does not establish that the customer received the right result.
Measure real capacity
Time preparation, the main operation, transport, cleaning, approvals and correction as applicable. The slowest stage determines how much you can promise. Where two orders need the same person, space or equipment at the same time, resolve the conflict before confirming both deadlines. An additional enquiry should not erase a commitment already made.
| Operating checkpoint | Evidence for this business |
|---|---|
| Before starting | Choose a decorative casting intended for a clearly defined nonstructural use, developing a prototype that resolves mould release, edge handling and the customer's preferred surface finish. |
| During delivery | Approve a sample finish and run a controlled small batch; record material quantities, curing arrangements and rejected pieces. |
| At acceptance | Ask the customer to inspect the fully finished sample, comparing texture, colour variation and stability against the approved prototype rather than judging an unfinished freshly demoulded piece. |
| At the pilot review | Record mix source information, mould behaviour, finish approval and rejected pieces, then use real saleable yield to decide whether the design should enter repeat production. |
Keep a correction and escalation rule
When inputs, access, specifications or customer instructions change, pause the affected work and confirm the effect on time and cost. Do not quietly lower the acceptance standard to avoid a delayed delivery. Keep rework caused by your error distinct from a customer-requested change of scope and agree the remedy clearly.
A piece looks attractive in its mould but chips during demoulding or delivery, making the apparent production yield much higher than the actual saleable output.
Retain the minimum records needed to investigate a complaint without disclosing unrelated personal information. Use measured delivery and actual acceptance as the basis for expanding capacity, rather than the maximum theoretical output of a tool or production line.
Operating control points for this exact offer
| Sequence | Work method | Release checkpoint |
|---|---|---|
| 1 | Approve a mould sketch showing exterior size, wall/base design and drainage with a competent casting maker. | Volume and material takeoff are measured from the actual mould, not outer diameter alone. |
| 2 | Choose a suitable supported casting material and compatible release/curing method. | Do not add pigments or admixtures without their actual instructions. |
| 3 | Produce one prototype using controlled preparation, placement and handling per the selected material. | Record batch, voids, edge quality and any drainage insert. |
| 4 | Follow the required curing and safe demoulding schedule before checking the prototype. | Surface dryness does not prove readiness for lifting or use. |
| 5 | Repeat approved design, inspect all four pots and supply placement/care limits. | No sharp edge, blocked drain or visible structural crack enters accepted stock. |
Do not substitute a tick for an observation: record the count, measurement, approved sample or evidence reference used at each checkpoint. Mark unresolved work as held and identify who can approve the recheck.
Diagnose a failure before repeating it
| Observed symptom to investigate | Check the cause | Proposed response |
|---|---|---|
| Pot cracks at demoulding | Review material instructions, curing and mould handling. | Reject and correct the process before repeating. |
| Water cannot drain | Inspect drainage detail against the approved prototype. | Correct through the supported design without weakening the pot by random drilling. |
| Visible air voids exceed sample | Compare placement process and approved appearance. | Revise or reject affected pieces rather than painting over unsafe cracks. |
These are diagnostic prompts, not proof of the cause in a real incident. Separate suspect output, record any correction and repeat the relevant acceptance check. Link rejected units, rework time, replacement materials, customer credits and collection delays to the actual job result.