Marked-out sizes checked against the real room, not the drawing
Why — act while you have leverage
Interior drawings are made from measurements somebody took once. If a wall is out by 30 mm, every unit along it is out — and you find out on installation day, when the factory has already cut everything.
What to look at
- Each wall measured at three points, not one
- Diagonals of the room checked to see how square it really is
- A signed approval of the site-measured drawing before the factory order goes
How to check it yourself
Before anything is built or ordered, the marked-out lines on the floor are measured against the room as it actually is. Measure each wall at both ends and in the middle — rooms are rarely square, and the difference is what decides whether a run of units fits. Any difference from the drawing goes back to the designer BEFORE the factory order is released, not after.
Where this comes from: Established trade practice for site measurement before fabrication; NBC 2016 Part 6 for setting out (established trade practice)
More site setup and marking-out checks
- Photograph before this is covered
- Finished floor level fixed before anything is measured from it