01Specify the function before the brand
Describe use, capacity, exposure, material expectations, maintainability and interfaces before freezing the exact product. This makes tender comparisons more meaningful and reduces late substitutions based only on visual similarity.
02Use current evidence
Dimensions, materials, warranties, test reports and certifications should be tied to the exact current product where those claims matter. Generic family statements should not be used as model-specific proof.
03Separate product supply from site works
Foundations, civil works, accessibility, electrical work, installation, local engineering and approvals should be separately assigned unless they are explicitly included in the supply contract.
04Write lifecycle into procurement
Cleaning, inspection, spare parts, replacement access, finish maintenance and future expansion can materially affect whole-of-life value and should be reviewed alongside capital cost.
05Keep a controlled project record
Record the approved model, finish, dimensions, options, technical documents and revision at each stage. Future replacements and project phases should refer back to that controlled record.