WO-2026-0019
On the bench Assembly2 × Discovery Bench with Tubs – Birch · for SO-2026-0395 (New Plymouth Boys' High School)
Planned › Cut & machined › On the bench › Finishing › Complete
Due 31 Aug 2026 · in 14 days
Pick list — 2 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 | 2.4 sheet | 2.4 | 166 | $218.50 | $524.40 |
| MAT-BP12-BB | Birch plywood 2440×1220 × 12mm BB/BB | 1 sheet | 1 | 15 | $152.00 | $152.00 |
| MAT-BIR-EDG | Birch edging tape 22mm, per lineal m | 30 lm | 30 | 2,011 | $2.95 | $88.50 |
| FIN-OIL-CL | Hardwax oil, clear, low-tox — per litre | 0.74 L | 0.74 | 79.43 | $62.50 | $46.25 |
| FIN-SAND-120 | Abrasive belt 120 grit | 1.28 ea | 1.28 | 29 | $8.90 | $11.39 |
| HW-CONF-50 | Confirmat screw 7×50 | 94 ea | 94 | 12,195 | $0.18 | $16.92 |
| HW-GLIDE | Felt glide, screw-in | 8 ea | 8 | 644 | $0.95 | $7.60 |
| PKG-CTN-L | Carton, large, double wall | 2 ea | 2 | 754 | $7.20 | $14.40 |
| PKG-CORNER | Corner board, per lineal m | 8 lm | 8 | 1,362 | $0.85 | $6.80 |
| Materials | $868.26 | |||||
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, 3:05 pm | Anahera Wilson | Sanding | On the bench | 66 | $82.00 | $90.20 |
| 14 Aug 2026, 12:10 pm | Jess Mattingly | CNC Router | Cut & machined | 170 | $115.00 | $325.83 |
| 17 Aug 2026, 8:55 am | Pete Rasmussen | Edging | Cut & machined | 67 | $88.00 | $98.27 |
| 17 Aug 2026, 4:15 pm | Tane Rangi | Assembly | On the bench | 149 | $94.00 | $233.43 |
| Total | 452 | $747.73 | ||||
What this actually costs to make
Materials plus the bench time, per unit
$808.00
each, over 2 in this batch
- Materials
- $868.26
- Booked labour
- $747.73
- Batch cost
- $1,615.99
List price each $783.00
Margin each -$25.00 · -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 | 2 h 50 min | $325.83 |
| Assembly | 2 h 29 min | $233.43 |
| Edging | 1 h 7 min | $98.27 |
| Sanding | 1 h 6 min | $90.20 |
Job details
- Making
- 52418-11 Birch
- Batch
- B-260159
- Raised
- 27 Jul 2026
- Due
- 31 Aug 2026
- Planned time
- 8 h 30 min
- Booked time
- 7 h 32 min -11%
- Owner
- Dave Kuiper
Book bench time
Costed at the rate of the bench that did the work.