Formwork
Well-sawn plank formwork to reinforced concrete columns
Well-sawn straight 1x12 plank column formwork with 2x3 studs, 2x6 walers, 2x2 bracing, nails/release agent and labour. Facing plank charged over 4 reuses.
Methodology
Alternative to marine plywood where a plank finish is acceptable or cheaper. The 4-reuse plank rule is explicit.
Source basis
Residential/KMSTEEL traditional shuttering logic. User-approved normal well-sawn plank reuse: 4 cycles.
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 |
|---|---|---|---|---|---|---|
| Well-sawn 1x12 plank facing — 4 reuses | Material | 0.2277 | 3.6m length | 0.2277 | ₦3,000 | ₦683 |
| 2x3 studs | Material | 0.28 | 3.6m length | 0.28 | ₦1,300 | ₦364 |
| 2x6 walers | Material | 0.14 | 3.6m length | 0.14 | ₦3,000 | ₦420 |
| 2x2 bracing/cleats | Material | 0.12 | 3.6m length | 0.12 | ₦1,000 | ₦120 |
| Nails | Consumable | 0.008 | bag | 0.008 | ₦27,000 | ₦216 |
| Release agent / ties | Consumable | 1 | m² | 1 | ₦350 | ₦350 |
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 | 0.2 | day | 0.2 | ₦15,000 | ₦3,000 |
| Helper | Labour | 0.2 | day | 0.2 | ₦8,000 | ₦1,600 |
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