Formwork
Premium marine-plywood formwork to suspended slab soffit
Premium 18 mm marine/film-faced plywood slab soffit formwork with H20/Peri beams, Acrow props, secondary timber, nails/release agent and labour. Working plywood reuse: 5 cycles.
Methodology
Premium-board alternative to the 3-cycle economical marine-board system. Actual reuse depends on brand, handling, release agent and stripping practice.
Source basis
Abuja Sep-2026 premium marine-board listings around ₦39,000–₦43,000/sheet; working 5-cycle reuse for comparison.
Quantity basis
See exactly what makes up the rate
The rate is analysed for 1 m² of work. Enter the quantity you actually want to execute and every material, labour and plant quantity below will scale without changing the public Charismak reference rate.
What you need to buy
Material quantities
Quantities shown are for one unit of the measured work. The right-hand quantity scales automatically to the work quantity you enter.
| Resource | Type | Qty / 1 m² | Resource unit | Qty / 1 m² | Unit price | Cost / m² |
|---|---|---|---|---|---|---|
| Premium 18 mm marine plywood — 5 cycles | Material | 0.0672 | sheet | 0.0672 | ₦40,000 | ₦2,687 |
| 2x3 joists/runners | Material | 0.25 | 3.6m length | 0.25 | ₦1,300 | ₦325 |
| 2x6 secondary bearers | Material | 0.22 | 3.6m length | 0.22 | ₦3,000 | ₦660 |
| H20 / Peri primary beam allocation | Material | 0.08 | No. | 0.08 | ₦16,900 | ₦1,352 |
| Nails / fixings | Consumable | 0.01 | bag | 0.01 | ₦27,000 | ₦270 |
| Release agent / sundries | Consumable | 1 | m² | 1 | ₦250 | ₦250 |
Workmanship
Labour build-up
Labour is shown as the crew, trade, gang-day, day or piecework quantity used to produce one unit of the measured work.
| Resource | Type | Qty / 1 m² | Resource unit | Qty / 1 m² | Unit price | Cost / m² |
|---|---|---|---|---|---|---|
| Formwork carpenter | Labour | 0.22 | day | 0.22 | ₦15,000 | ₦3,300 |
| Helper | Labour | 0.22 | day | 0.22 | ₦8,000 | ₦1,760 |
Equipment and movement
Plant & logistics
Plant, hire, fuel, support equipment and logistics are kept separate so they are not hidden inside the material or labour rate.
| Resource | Type | Qty / 1 m² | Resource unit | Qty / 1 m² | Unit price | Cost / m² |
|---|---|---|---|---|---|---|
| Acrow prop rental — 21-day cycle | Plant | 29.22 | prop-day | 29.22 | ₦200 | ₦5,844 |
Personal rate calculator
Change quantities, prices and allowances
Cost additions