Why developer drawings cannot be used as-is
On handover, a developer provides a set of drawings — as-built or the approved design package. In practice, this package often does not reflect the actual state of the unit: changes made during construction are frequently left out of the final documentation, or the drawings were prepared from design intent rather than site reality. Discrepancies commonly involve partition layout, room dimensions, ceiling heights, and the position of MEP outlets.
What this costs in practice
Designing an interior, a fit-out, or engineering systems from inaccurate drawings produces errors that surface only once work is underway — during furniture installation, service routing, or partition construction. Correcting these errors on site costs more than a survey would have, and extends the project timeline. In some cases, the discrepancy is significant enough to require reworking the entire design.
How a measured survey solves this
A measured drawing records the space as it actually is at the time of the survey, independent of the developer's documentation. It is the only reliable basis for further design work, and the only way to avoid the financial cost of rework later.
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