WO-2026-0026
Finishing Assembly15 × Ox Chair — School – Birch · replenishment for the shelf
Planned › Cut & machined › On the bench › Finishing › Complete
Due 10 Sep 2026 · in 24 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 | 6 sheet | 6 | 166 | $218.50 | $1,311.00 |
| 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 | 2.1 L | 2.1 | 79.43 | $62.50 | $131.25 |
| FIN-SAND-120 | Abrasive belt 120 grit | 3.6 ea | 3.6 | 29 | $8.90 | $32.04 |
| HW-CONF-50 | Confirmat screw 7×50 | 345 ea | 345 | 12,195 | $0.18 | $62.10 |
| HW-GLIDE | Felt glide, screw-in | 75 ea | 75 | 644 | $0.95 | $71.25 |
| 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 | $1,970.64 | |||||
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 |
|---|---|---|---|---|---|---|
| 06 Aug 2026, 7:50 am | Anahera Wilson | Sanding | On the bench | 126 | $82.00 | $172.20 |
| 10 Aug 2026, 4:20 pm | Jess Mattingly | CNC Router | Cut & machined | 265 | $115.00 | $507.92 |
| 13 Aug 2026, 8:25 am | Raj Patel | Finishing | Finishing | 203 | $98.00 | $331.57 |
| 14 Aug 2026, 12:40 pm | Dave Kuiper | Assembly | On the bench | 293 | $94.00 | $459.03 |
| 17 Aug 2026, 2:45 pm | Pete Rasmussen | Edging | Cut & machined | 100 | $88.00 | $146.67 |
| Total | 987 | $1,617.39 | ||||
What this actually costs to make
Materials plus the bench time, per unit
$239.20
each, over 15 in this batch
- Materials
- $1,970.64
- Booked labour
- $1,617.39
- Batch cost
- $3,588.03
List price each $217.00
Margin each -$22.20 · -10%
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 | 4 h 25 min | $507.92 |
| Assembly | 4 h 53 min | $459.03 |
| Finishing | 3 h 23 min | $331.57 |
| Sanding | 2 h 6 min | $172.20 |
| Edging | 1 h 40 min | $146.67 |
Job details
- Making
- 51500-11 Birch
- Batch
- B-260166
- Raised
- 27 Jul 2026
- Due
- 10 Sep 2026
- Planned time
- 16 h 15 min
- Booked time
- 16 h 27 min + 1%
- Owner
- Dave Kuiper
Book bench time
Costed at the rate of the bench that did the work.