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IN BRIEF
Formwork plywood layouts
A formwork panel order should follow the reviewed layout. Separate full sheets, cut panels and replacements, then connect each piece to its location and planned work stage.
- Keep panel geometry tied to the approved design.
- Identify cuts, holes and edge treatment in the scope.
- List spares by the positions they replace.
UNDERSTAND THE DETAIL
How do you turn a formwork drawing into a plywood order?
Start with the reviewed formwork arrangement, identify each repeated panel shape and count the pieces required at the same work stage. Convert those pieces into a cutting layout using the selected sheet format. Add separately identified replacement requirements rather than applying an unexplained percentage to the total.
Distinguish area needed for one stage from cumulative area across all planned stages. A panel intended for reuse may serve more than one stage, but that plan depends on the sequence and its condition at the time. Do not multiply all pour areas into sheet purchases without reviewing the proposed handover.
- Concurrent quantity
- Panels needed at the same time in the approved working arrangement.
- Cutting quantity
- Full sheets needed to produce the scheduled shapes with real process allowances.
- Replacement quantity
- Identified spare shapes or sheets held for the planned replacement approach.
Can the plywood sheet layout change support positions?
A revised panel layout may alter joints or orientation and needs review against the formwork design. Keep design decisions with the responsible team. Purchasing should price the reviewed arrangement and processing scope; it should not use a convenient sheet size to assign unverified support spacing.
Continue with recording panels as they move between uses.
Start from the reviewed formwork arrangement
Use the current drawing showing panel joints, supports, ties and openings. The responsible formwork designer or contractor should resolve suitability for the intended loads and placement conditions. A cutting schedule does not replace that design work.
Once the arrangement is defined, assign a code to each panel shape. Distinguish full sheets from pieces needing cutting or drilling. Mark which operation is included in the supply quotation and which will be completed on site.
Compare layouts on the same work package
Ask the workshop to review the cutting arrangement for the chosen sheet size. Include actual cutting allowances and any orientation required by the design. If a different sheet format is proposed, compare its complete panel output and the remaining site work.
Prepare a spare list for the positions that may need replacement during the planned sequence. Keep it separate from unexplained additional sheets. Label cut panels by work area or pour stage so the receiving team can allocate them without reconstructing the layout from dimensions alone.
WORKED BUYING EXAMPLE
Example: a wall package with three panel shapes
Illustrative planning example; values and quantities are not product specifications or quotations.
An illustrative wall package uses standard panels, narrow closures and pieces around an opening. Its geometry comes from the project drawing.
Scroll horizontally to compare all columns.
| Item or observation | Record or compare | Next decision |
|---|---|---|
| Main panels | Repeated shape W-A with a defined quantity. | Quote the full item count and any preparation. |
| Closures | Shape W-B fits the end of the reviewed layout. | Identify cutting and edge-treatment responsibilities. |
| Opening pieces | Shape W-C includes drawing-specific details. | Keep the drawing revision and replacement references visible. |
What this means for the order
Compare offers against the same W-A, W-B and W-C schedule. A lower full-sheet price may not reduce the cost of the completed package if it changes cutting yield or leaves more fabrication to the site team.
Keep these details with your inquiry
- Approved formwork drawing and panel suitability requirements.
- Shape codes, cut dimensions and quantities.
- Holes, cuts, preparation and their responsible party.
- Pour-stage labels and position-specific spare list.
Review the relevant product guide and prepare your inquiry files.
Questions buyers ask
Can I change sheet size without changing the design?
Have the revised layout reviewed for its effect on joints, supports and required orientation. A procurement change can affect the arrangement being used.
Should spare panels use one generic description?
Identify which positions they can replace. A dimensionally similar spare may not carry the same holes, preparation or construction required by that location.
