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QJ2039 Demo Groote Island: Mobile Plant Workshop Re-roof
Accounting connected Thu 13 Aug 2026
QJ2039 On site Mining & Resources 21/7 · 10 crew · 54 flights from Q32189

Groote Island: Mobile Plant Workshop Re-roof

Groote Eylandt Mining Company · Groote Eylandt, Alyangula NT, NT · contract S32-GEM-2026-0918

Cameron Hale · Crew 4, FIFO North · 21 Apr 2026 → 26 Dec 2026

Claim PC-2026-0197 Client view

Full re-roof over a live mobile plant workshop. Everything is barged to Groote, so a missed material call costs a fortnight rather than a day. Purlin replacement quantities were provisional at tender and are being remeasured as the sheeting comes off.

The position

Every figure below is the sum of rows on this page.

Contract sum

$3,076,024

Tendered
$2,972,912
Approved variations
+$103,112
Lodged, not approved
$44,304

Work in place

$1,727,817

Complete
56.2%
Still to run
$1,348,207

Claimed & certified

$1,563,675

Certified
$964,122
Unclaimed WIP
$164,143
Retention held
$48,206

Margin

$354,599 20.5%

Cost of work in place
$1,373,219
Against the build-up
-$21,400
Committed, not received
$119,172

$26,582.40 of work is on the ground against variations nobody has approved.

VAR-039-03, Purlin replacement, bays 15 to 26. Until they are approved they sit in cost with no revenue against them.

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 $524,234 $336,263 64% 2,917.8 1,756.3 $0 -$2,974 - -$8,205 23%
CC-02 Roofing 10 tasks · Workshop main span, Wash bay, Store annexe, General $1,460,092 $800,021 55% 4,851.7 2,690.8 $238,118 $234,758 $189,428 -$6,611 20%
CC-03 Wall cladding 3 tasks · Workshop main span, Store annexe, General $320,012 $157,366 49% 945.6 457.8 $62,437 $61,479 - -$1,651 19%
CC-05 Height access & safety systems 3 tasks · Workshop main span, General $356,370 $203,682 57% 1,637.6 914.7 $31,771 $31,220 $11,360 -$1,255 20%
CC-06 Weatherproofing 3 tasks · Workshop main span, Wash bay, General $84,216 $38,447 46% 484 217.1 $2,165 $2,098 - -$430 22%
CC-08 Direct labour & plant 1 task · General $331,100 $192,038 58% 0 0 $0 -$3,248 - -$3,248 19%
Job total $3,076,024 $1,727,817 56% 10,836.7 6,036.7 $334,491 $323,333 $200,788 -$21,400 21%

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 $1,373,219, which is the job's actual cost.

CC-01 Preliminaries & establishment Mobilisation, supervision, inductions, safety documentation, scaffold and access hire.
$336,263 of $524,234 · 64%
TaskSub-jobContractDone%ValueEarnedHours
Site supervision, leading hand RS-PRE-SUP General 214 day 124.12 58% $267,072 $154,902 1,303.3 of 2,247
Scaffold: supply, erect, hire 8 weeks, dismantle RS-PRE-SCF General 1,480 m² 976.8 66% $157,472 $103,932 58.6 of 88.8
Mobilisation & site establishment RS-PRE-MOB General 3 item 3 100% $55,350 $55,350 288 of 288
Demobilisation & make good RS-PRE-DEM General 3 item 0 0% $22,260 $0 0 of 132
Site induction & verification of competency RS-PRE-IND General 24 ea 24 100% $14,040 $14,040 96 of 96
SWMS, JSA & site-specific safety plan RS-PRE-SWM General 3 item 3 100% $8,040 $8,040 66 of 66
CC-02 Roofing Strip, sheet, insulate, safety mesh, ridge, gutter, downpipes and roof lighting.
$800,021 of $1,460,092 · 55%
TaskSub-jobContractDone%ValueEarnedHours
KLIP-LOK 700 HI-STRENGTH roof sheeting, install RS-ROF-KL7 Workshop main span 4,260 m² 2,300.4 54% $604,068 $326,197 828.1 of 1,533.6
Strip existing roof sheeting & dispose RS-ROF-STR Workshop main span 4,260 m² 2,598.6 61% $223,224 $136,167 753.6 of 1,235.4
Roof insulation blanket 75mm R1.8, install RS-ROF-INS Workshop main span 4,260 m² 2,300.4 54% $168,696 $91,096 322.1 of 596.4
Box gutter, supply and install RS-ROF-GUT Store annexe 296 lm 130.24 44% $113,960 $50,142 138.1 of 313.8
Safety mesh, install to purlins RS-ROF-SAF Workshop main span 4,260 m² 2,385.6 56% $105,648 $59,163 226.6 of 404.7
Fibreglass roof lighting, install RS-ROF-SKY Wash bay 386 m² 162.12 42% $76,428 $32,100 85.9 of 204.6
Ridge capping & barge, supply and install RS-ROF-RDG Store annexe 468 lm 229.32 49% $68,328 $33,481 91.7 of 187.2
Fibreglass roof lighting, install RS-ROF-SKY · VAR-039-02 General 186 m² 159.96 86% $36,828 $31,672 84.8 of 98.6
Strip existing roof sheeting & dispose RS-ROF-STR · VAR-039-01 General 640 m² 550.4 86% $33,536 $28,841 159.6 of 185.6
Downpipe & rainhead, supply and install RS-ROF-DWP Wash bay 34 ea 12.92 38% $29,376 $11,163 34.9 of 91.8
CC-03 Wall cladding Wall sheet, insulated panel, architectural cladding, flashings and cappings.
$157,366 of $320,012 · 49%
TaskSub-jobContractDone%ValueEarnedHours
CUSTOM ORB wall cladding, install RS-CLD-CUS Store annexe 1,640 m² 770.8 47% $167,936 $78,930 231.2 of 492
Custom flashings, supply and install RS-CLD-FLA Workshop main span 1,120 lm 504 45% $127,680 $57,456 171.4 of 380.8
Custom flashings, supply and install RS-CLD-FLA · VAR-039-01 General 214 lm 184.04 86% $24,396 $20,981 62.6 of 72.8
CC-05 Height access & safety systems Anchor points, static lines, guardrail, rope access and elevated work platforms.
$203,682 of $356,370 · 57%
TaskSub-jobContractDone%ValueEarnedHours
EWP hire & operator, 45ft boom RS-HGT-EWP General 128 day 70.4 55% $227,840 $125,312 704 of 1,280
Static line system: supply, install & certify RS-HGT-STA Workshop main span 340 lm 204 60% $97,240 $58,344 159.1 of 265.2
Roof anchor point: supply, install & certify RS-HGT-ANC Workshop main span 42 ea 26.88 64% $31,290 $20,026 59.1 of 92.4
CC-06 Weatherproofing Sealing, membrane, penetration flashing and leak rectification.
$38,447 of $84,216 · 46%
TaskSub-jobContractDone%ValueEarnedHours
Sealant to laps, penetrations & flashings RS-WPF-SEA Workshop main span 1,420 lm 624.8 44% $49,416 $21,743 125 of 284
Sealant to laps, penetrations & flashings RS-WPF-SEA Wash bay 760 lm 273.6 36% $26,448 $9,521 54.7 of 152
Sealant to laps, penetrations & flashings RS-WPF-SEA · VAR-039-02 General 240 lm 206.4 86% $8,352 $7,183 41.3 of 48
CC-08 Direct labour & plant Dayworks, overtime and travel time charged at the labour rate.
$192,038 of $331,100 · 58%
TaskSub-jobContractDone%ValueEarnedHours
Travel & living away: per person, per day RS-LAB-TRV General 860 day 498.8 58% $331,100 $192,038 0 of 0

Sub-jobs

The same work rolled by area rather than by cost centre, which is how the site reads it.

Sub-jobCost centresValueEarned%Budget hours
Workshop main span CC-02 · CC-03 · CC-05 · CC-06 $1,407,262 $770,191 55% 4,792.5
Wash bay CC-02 · CC-06 $132,252 $52,784 40% 448.4
Store annexe CC-02 · CC-03 $350,224 $162,553 46% 993
General CC-01 · CC-02 · CC-03 · CC-05 · CC-06 · CC-08 $1,186,286 $742,290 63% 4,602.8

Drawings and documents

At their current revision. Superseded revisions stay on the register, because after an incident the question is which revision the crew were working to that day.

All documents
DocumentKindRevOwnerUpdatedSizeStatus
QJ2039 Workshop purlin remeasure DOC-4396 · SharePoint / QClad / Jobs / QJ2039 / 06 Reports Report A Cameron Hale 11 Aug 2026 1.6 MB In review
QJ2039 Barge manifest, load 4 DOC-4392 · SharePoint / QClad / Jobs / QJ2039 / 07 Logistics Report 1 Toby Ellison 4 Aug 2026 0.5 MB Current

Correspondence

RFIs, material approvals and anything else sent about QJ2039, with the replies on the same thread. 1 awaiting a reply.

Material approval Awaiting reply Peta Arundel, Groote Eylandt Mining Company 1 message

Material approval: acoustic panel substitution, Groote workshop

Toby Ellison QClad 2026-08-11 14:22

The specified acoustic liner tray is on a nine week lead time to Groote, which puts it past our programmed installation window. We are proposing an equivalent perforated liner with the same absorption coefficient and an identical acoustic report rating, available in three weeks. Manufacturer's data and the acoustic consultant's comparison attached. Requesting approval to substitute.