WO-2026-0020
On the bench Assembly15 × Ako Swivel Chair – Birch · replenishment for the shelf
Planned › Cut & machined › On the bench › Finishing › Complete
Due 25 Aug 2026 · in 8 days
Pick list — 15 off the bill of material
Every quantity here is the bill multiplied out. Running the build takes them out of stock.
| Code | Material | Required | Issued | On hand | Unit cost | Line cost |
|---|---|---|---|---|---|---|
| MAT-BP18-BB | Birch plywood 2440×1220 × 18mm BB/BB | 7.5 sheet | 7.5 | 166 | $218.50 | $1,638.75 |
| MAT-BIR-EDG | Birch edging tape 22mm, per lineal m | 90 lm | 90 | 2,011 | $2.95 | $265.50 |
| FIN-OIL-CL | Hardwax oil, clear, low-tox — per litre | 2.25 L | 2.25 | 79.43 | $62.50 | $140.63 |
| FIN-SAND-120 | Abrasive belt 120 grit | 3.9 ea | 3.9 | 29 | $8.90 | $34.71 |
| HW-CONF-50 | Confirmat screw 7×50 | 240 ea | 240 | 12,195 | $0.18 | $43.20 |
| HW-HGT-GAS | Gas height column, student chair | 15 ea | 15 | 34 | $36.80 | $552.00 |
| HW-GLIDE | Felt glide, screw-in | 90 ea | 90 | 644 | $0.95 | $85.50 |
| PKG-CTN-M | Carton, medium, double wall | 15 ea | 15 | 1,057 | $4.80 | $72.00 |
| PKG-CORNER | Corner board, per lineal m | 30 lm | 30 | 1,362 | $0.85 | $25.50 |
| Materials | $2,857.79 | |||||
Bench time booked
Each booking costs at the rate of the bench that did the work — CNC is dearer than sanding
| When | Who | Bench | At stage | Minutes | Rate / h | Cost |
|---|---|---|---|---|---|---|
| 05 Aug 2026, 4:15 pm | Pete Rasmussen | Edging | Cut & machined | 220 | $88.00 | $322.67 |
| 14 Aug 2026, 11:20 am | Anahera Wilson | Sanding | On the bench | 212 | $82.00 | $289.73 |
| 14 Aug 2026, 3:00 pm | Wiremu Ngata | CNC Router | Cut & machined | 445 | $115.00 | $852.92 |
| 17 Aug 2026, 9:30 am | Tane Rangi | Assembly | On the bench | 464 | $94.00 | $726.93 |
| Total | 1,341 | $2,192.25 | ||||
What this actually costs to make
Materials plus the bench time, per unit
$336.67
each, over 15 in this batch
- Materials
- $2,857.79
- Booked labour
- $2,192.25
- Batch cost
- $5,050.04
List price each $348.00
Margin each $11.33 · 3%
The materials half comes off the bill on its own. The labour half only exists because the time is booked against the job as it moves — without it, the cost of a piece is the plywood and nothing else.
Where the time went
| CNC Router | 7 h 25 min | $852.92 |
| Assembly | 7 h 44 min | $726.93 |
| Edging | 3 h 40 min | $322.67 |
| Sanding | 3 h 32 min | $289.73 |
Job details
- Making
- 51413-11 Birch
- Batch
- B-260160
- Raised
- 22 Jul 2026
- Due
- 25 Aug 2026
- Planned time
- 26 h 15 min
- Booked time
- 22 h 21 min -15%
- Owner
- Dave Kuiper
Book bench time
Costed at the rate of the bench that did the work.