Mt Thorley Warkworth Mine Workshop: Roofing & Cladding
Yancoal Australia · Mt Thorley Warkworth, Singleton, NSW · contract YAN-MTW-WS-2025-6614
Marcus Deng · 19 Aug 2025 → 4 Jul 2026 · PC 18 Jul 2026 · DLP ends 18 Jul 2027
Practical completion certified 18 Jul 2026. Final claim lodged, first half of retention due for release. ITP pack and warranties handed over.
The position
Every figure below is the sum of rows on this page.
Contract sum
$2,724,338
- Tendered
- $2,583,436
- Approved variations
- +$140,902
Work in place
$2,724,338
- Complete
- 100.0%
- Still to run
- $0
Claimed & certified
$2,724,338
- Certified
- $179,806
- Unclaimed WIP
- $0
- Retention held
- $4,495
Margin
$495,478 18.2%
- Cost of work in place
- $2,228,860
- Against the build-up
- -$28,600
- Committed, not received
- $0
Cost centres
Hours and material book to a cost centre, and so do purchase orders. The totals here are the job, to the cent.
| Cost centre | Value | Earned | % | Budget hrs | Actual hrs | Budget material | Actual material | Committed | Run | Margin |
|---|---|---|---|---|---|---|---|---|---|---|
| CC-01 Preliminaries & establishment 6 tasks · General | $289,850 | $289,850 | 100% | 2,342 | 2,278.1 | $0 | -$549 | - | -$6,558 | 19% |
| CC-02 Roofing 7 tasks · General | $1,171,910 | $1,171,910 | 100% | 4,047.1 | 4,001.4 | $376,592 | $372,005 | - | -$8,879 | 17% |
| CC-03 Wall cladding 3 tasks · General | $549,468 | $549,468 | 100% | 1,599.2 | 1,576.6 | $227,604 | $224,545 | - | -$5,179 | 18% |
| CC-05 Height access & safety systems 4 tasks · General | $231,306 | $231,306 | 100% | 643.3 | 637.9 | $93,901 | $93,106 | - | -$1,307 | 18% |
| CC-06 Weatherproofing 1 task · General | $110,664 | $110,664 | 100% | 636 | 626.1 | $6,233 | $6,061 | - | -$1,099 | 22% |
| CC-08 Direct labour & plant 2 tasks · General | $371,140 | $371,140 | 100% | 0 | 0 | $0 | -$5,578 | - | -$5,578 | 19% |
| Job total | $2,724,338 | $2,724,338 | 100% | 9,267.6 | 9,120.1 | $704,330 | $689,590 | $0 | -$28,600 | 18% |
The run is this job's cost against budget, spread across the centres by exposure: preliminaries and rectification carry more of it than sheeting to a measured rate, because that is where jobs actually bleed. The centres add to $2,228,860, which is the job's actual cost.
| Task | Sub-job | Contract | Done | % | Value | Earned | Hours |
|---|---|---|---|---|---|---|---|
| Site supervision, leading hand RS-PRE-SUP | General | 186 day | 186 | 100% | $232,128 | $232,128 | 1,953 of 1,953 |
| Mobilisation & site establishment RS-PRE-MOB | General | 1 item | 1 | 100% | $18,450 | $18,450 | 96 of 96 |
| Site supervision, leading hand RS-PRE-SUP · VAR-036-02 | General | 14 day | 14 | 100% | $17,472 | $17,472 | 147 of 147 |
| Site induction & verification of competency RS-PRE-IND | General | 20 ea | 20 | 100% | $11,700 | $11,700 | 80 of 80 |
| Demobilisation & make good RS-PRE-DEM | General | 1 item | 1 | 100% | $7,420 | $7,420 | 44 of 44 |
| SWMS, JSA & site-specific safety plan RS-PRE-SWM | General | 1 item | 1 | 100% | $2,680 | $2,680 | 22 of 22 |
| Task | Sub-job | Contract | Done | % | Value | Earned | Hours |
|---|---|---|---|---|---|---|---|
| KLIP-LOK 700 HI-STRENGTH roof sheeting, install RS-ROF-KL7 | General | 3,860 m² | 3,860 | 100% | $496,010 | $496,010 | 1,389.6 of 1,389.6 |
| Strip existing roof sheeting & dispose RS-ROF-STR | General | 3,860 m² | 3,860 | 100% | $202,264 | $202,264 | 1,119.4 of 1,119.4 |
| Roof insulation blanket 75mm R1.8, install RS-ROF-INS | General | 3,860 m² | 3,860 | 100% | $152,856 | $152,856 | 540.4 of 540.4 |
| Box gutter, supply and install RS-ROF-GUT | General | 340 lm | 340 | 100% | $130,900 | $130,900 | 360.4 of 360.4 |
| Safety mesh, install to purlins RS-ROF-SAF | General | 3,860 m² | 3,860 | 100% | $95,728 | $95,728 | 366.7 of 366.7 |
| Ridge capping & barge, supply and install RS-ROF-RDG | General | 420 lm | 420 | 100% | $61,320 | $61,320 | 168 of 168 |
| Downpipe & rainhead, supply and install RS-ROF-DWP | General | 38 ea | 38 | 100% | $32,832 | $32,832 | 102.6 of 102.6 |
| Task | Sub-job | Contract | Done | % | Value | Earned | Hours |
|---|---|---|---|---|---|---|---|
| CUSTOM ORB wall cladding, install RS-CLD-CUS | General | 2,940 m² | 2,940 | 100% | $301,056 | $301,056 | 882 of 882 |
| Purlin & girt, supply and install RS-CLD-PUR | General | 26.4 t | 26.4 | 100% | $201,168 | $201,168 | 580.8 of 580.8 |
| Purlin & girt, supply and install RS-CLD-PUR · VAR-036-01 | General | 6.2 t | 6.2 | 100% | $47,244 | $47,244 | 136.4 of 136.4 |
| Task | Sub-job | Contract | Done | % | Value | Earned | Hours |
|---|---|---|---|---|---|---|---|
| Static line system: supply, install & certify RS-HGT-STA | General | 520 lm | 520 | 100% | $148,720 | $148,720 | 405.6 of 405.6 |
| Roof anchor point: supply, install & certify RS-HGT-ANC | General | 52 ea | 52 | 100% | $38,740 | $38,740 | 114.4 of 114.4 |
| Static line system: supply, install & certify RS-HGT-STA · VAR-036-03 | General | 96 lm | 96 | 100% | $27,456 | $27,456 | 74.9 of 74.9 |
| Roof anchor point: supply, install & certify RS-HGT-ANC · VAR-036-03 | General | 22 ea | 22 | 100% | $16,390 | $16,390 | 48.4 of 48.4 |
| Task | Sub-job | Contract | Done | % | Value | Earned | Hours |
|---|---|---|---|---|---|---|---|
| Sealant to laps, penetrations & flashings RS-WPF-SEA | General | 3,180 lm | 3,180 | 100% | $110,664 | $110,664 | 636 of 636 |
| Task | Sub-job | Contract | Done | % | Value | Earned | Hours |
|---|---|---|---|---|---|---|---|
| Travel & living away: per person, per day RS-LAB-TRV | General | 880 day | 880 | 100% | $338,800 | $338,800 | 0 of 0 |
| Travel & living away: per person, per day RS-LAB-TRV · VAR-036-02 | General | 84 day | 84 | 100% | $32,340 | $32,340 | 0 of 0 |
Schedule of rates
Contract quantity, measured to date, and what each line is worth. Lines added by a variation carry its number.
| Rate | Rate, ex GST | Qty | Measured | Contract value | In place | Cost of it | Margin |
|---|---|---|---|---|---|---|---|
| Preliminaries | |||||||
| RS-PRE-MOB Mobilisation & site establishment | $18,450.00/item | 1 | 1 100% | $18,450 | $18,450 | $15,224 | 17% |
| RS-PRE-SWM SWMS, JSA & site-specific safety plan | $2,680.00/item | 1 | 1 100% | $2,680 | $2,680 | $2,288 | 15% |
| RS-PRE-IND Site induction & verification of competency | $585.00/ea | 20 | 20 100% | $11,700 | $11,700 | $9,420 | 19% |
| RS-PRE-SUP Site supervision, leading hand | $1,248.00/day | 186 | 186 100% | $232,128 | $232,128 | $192,510 | 17% |
| RS-PRE-DEM Demobilisation & make good | $7,420.00/item | 1 | 1 100% | $7,420 | $7,420 | $6,316 | 15% |
| RS-PRE-SUP Site supervision, leading hand · VAR-036-02 | $1,248.00/day | 14 | 14 100% | $17,472 | $17,472 | $14,490 | 17% |
| Labour & plant | |||||||
| RS-LAB-TRV Travel & living away: per person, per day | $385.00/day | 880 | 880 100% | $338,800 | $338,800 | $279,840 | 17% |
| RS-LAB-TRV Travel & living away: per person, per day · VAR-036-02 | $385.00/day | 84 | 84 100% | $32,340 | $32,340 | $26,712 | 17% |
| Roofing | |||||||
| RS-ROF-STR Strip existing roof sheeting & dispose | $52.40/m² | 3,860 | 3,860 100% | $202,264 | $202,264 | $186,940 | 8% |
| RS-ROF-KL7 KLIP-LOK 700 HI-STRENGTH roof sheeting, install | $128.50/m² | 3,860 | 3,860 100% | $496,010 | $496,010 | $403,061 | 19% |
| RS-ROF-INS Roof insulation blanket 75mm R1.8, install | $39.60/m² | 3,860 | 3,860 100% | $152,856 | $152,856 | $122,208 | 20% |
| RS-ROF-SAF Safety mesh, install to purlins | $24.80/m² | 3,860 | 3,860 100% | $95,728 | $95,728 | $77,432 | 19% |
| RS-ROF-GUT Box gutter, supply and install | $385.00/lm | 340 | 340 100% | $130,900 | $130,900 | $111,530 | 15% |
| RS-ROF-RDG Ridge capping & barge, supply and install | $146.00/lm | 420 | 420 100% | $61,320 | $61,320 | $47,326 | 23% |
| RS-ROF-DWP Downpipe & rainhead, supply and install | $864.00/ea | 38 | 38 100% | $32,832 | $32,832 | $27,369 | 17% |
| Wall cladding | |||||||
| RS-CLD-CUS CUSTOM ORB wall cladding, install | $102.40/m² | 2,940 | 2,940 100% | $301,056 | $301,056 | $249,459 | 17% |
| RS-CLD-PUR Purlin & girt, supply and install | $7,620.00/t | 26.4 | 26.4 100% | $201,168 | $201,168 | $166,751 | 17% |
| RS-CLD-PUR Purlin & girt, supply and install · VAR-036-01 | $7,620.00/t | 6.2 | 6.2 100% | $47,244 | $47,244 | $39,161 | 17% |
| Height access | |||||||
| RS-HGT-ANC Roof anchor point: supply, install & certify | $745.00/ea | 52 | 52 100% | $38,740 | $38,740 | $32,229 | 17% |
| RS-HGT-STA Static line system: supply, install & certify | $286.00/lm | 520 | 520 100% | $148,720 | $148,720 | $122,990 | 17% |
| RS-HGT-ANC Roof anchor point: supply, install & certify · VAR-036-03 | $745.00/ea | 22 | 22 100% | $16,390 | $16,390 | $13,635 | 17% |
| RS-HGT-STA Static line system: supply, install & certify · VAR-036-03 | $286.00/lm | 96 | 96 100% | $27,456 | $27,456 | $22,706 | 17% |
| Weatherproofing | |||||||
| RS-WPF-SEA Sealant to laps, penetrations & flashings | $34.80/lm | 3,180 | 3,180 100% | $110,664 | $110,664 | $87,863 | 21% |
| Total | $2,724,338 | $2,724,338 | $2,257,460 | 17% | |||
Variations
An approved variation's lines join the schedule of rates above on approval.
| No. | Variation | Raised | Their ref | Value, ex GST | Built | Status |
|---|---|---|---|---|---|---|
| 3 | VAR-036-03 Additional roof anchors to the crane runway | 30 Apr 2026 | YAN-VO-3371 | $43,846.00 | 100% | Approved |
| 2 | VAR-036-02 Wet weather standby, February | 12 Mar 2026 | YAN-VO-3352 | $49,812.00 | 100% | Approved |
| 1 | VAR-036-01 Purlin renewal, northern bays | 14 Nov 2025 | YAN-VO-3318 | $47,244.00 | 100% | Approved |
Progress claims
Lodged under the QLD BIF Act: 15 business days to a payment schedule, 25 to payment. Retention at 5%.
| Claim | Period | This claim, ex GST | Retention | Inc GST | Lodged | Invoice | Status |
|---|---|---|---|---|---|---|---|
| PC-2026-0191No. 12 | Jul 2026 | $87,178.82 | $4,358.94 | $91,101.87 | 8 Aug 2026 | - | Submitted |
| PC-2026-0177No. 11 | Jun 2026 | $179,806.30 | $8,990.32 | $187,897.58 | 8 Jul 2026 | INV-26-0392 | Paid |
Invoices
| Invoice | Issued | Due | Inc GST | Ledger | Status |
|---|---|---|---|---|---|
| INV-26-0392 | 24 Jul 2026 | 12 Aug 2026 | $187,897.58 | XRO-4130 | Paid |
Labour booked this week
0 hours, $0.00 of cost, off the crew app. 11,420 hours on this job to date.
| Day card | Person | Date | Task | Rate | Hours | Cost | Status |
|---|---|---|---|---|---|---|---|
| No hours booked to this job this week. | |||||||
Purchase orders
$0.00 committed and not yet received.
| PO | Supplier | Deliver to | Raised | Expected | Ex GST | Status |
|---|---|---|---|---|---|---|
| Nothing ordered against this job. | ||||||
Inspection & test plans
Hold and witness points for the handover pack.
AS 1562.1 / Yancoal SPEC-2210
- Hold 9.1 Purlin renewal certificate Signed 12 Dec 2025 · Dean Copeland
- Witness 9.2 Fixing pattern verification Signed 24 Oct 2025 · Dean Copeland
- Hold 9.3 Anchor proof load, each point Signed 29 May 2026 · Dean Copeland
- Hold 9.4 Completed roof water test Signed 26 Jun 2026 · Dean Copeland
- Record 9.5 Warranty and as-built pack issued Signed 18 Jul 2026 · P-011
Correspondence
RFIs, material approvals and anything else sent about QJ1936, with the replies on the same thread.
Nothing sent about this job yetAn RFI or a material approval sent from here keeps its whole thread against the job.