Rockwell Drilling Services
Geotechnical, Coal and Mineral Drilling Specialists
ABN 48 152 004 617
PO Box 3184, Rhodes NSW 2138
1300 762 593
rockwelldrilling.com.au
INV-2026-0515
Bill to
Tetra Tech Coffey
Attn: Derek Mason
North Sydney NSW
ABN 60 003 794 903
Issued: 20 Sep 2026
Due: Sat 14 Nov (45 days EOM)
Kind: Final claim
PO ref: COF-WO-2207
Job ref: J-2026-0138
| Code | Description | Qty | Unit | Amount |
|---|---|---|---|---|
| Final claim — Western Sydney Airport (retention & final metres) | 1 | $78,000.00 | $78,000.00 |
| Subtotal (ex GST) | $78,000.00 |
| GST 10% | $7,800.00 |
| Total (inc GST) | $85,800.00 |
Payment — EFT
Please quote INV-2026-0515 on payment.
ISO 9001 · ISO 14001 · ISO 45001 (Global-Mark / JAS-ANZ)
Built for Rockwell Drilling Services by Praxa Tech · Custom build, owned by Rockwell Drilling Services on final payment.