Groote Island
Multiple Projects
Groote Eylandt Mining Company · Groote Eylandt, NT
Issued 7 Jun 2026 · closes 5 Jul 2026 · valid 120 days · Dylan Fraser
Gemco want one number across four structures so they can release them in whatever order suits the shut. Everything is barged, so the material call has a fortnight of float in it and no more.
Price, ex GST
$4,440,878
Cost build-up
$3,558,283
Margin
$882,596 20%
Markup applied
27%
on the cost build-up
Options
Priced alternatives raised while the scope was still moving. The current one is what the price above reflects, so when the client comes back in three weeks asking what happened to option B, the answer is on the record.
| Option | Scope | Price, ex GST | Against current | State |
|---|---|---|---|---|
| A | All four structures | $4,440,878 | - | Current |
| B | Wash bay and reagent store only Gemco flagged the crib facility may move to next year's budget. | $2,442,483 | -$1,998,395 | Superseded |
Roster and travel priced in
FIFO work is priced on the roster, not on a day rate. The trips are part of the number.
Swing
21 on, 7 off
Crew allocated
12
Trips required
14
Work hours per day
10
Roster days on
21
Cycles
5
QClad
Roofing · Cladding · Acoustics
Estimate
Q32358
Valid 120 days from 7 Jun 2026
To
Groote Eylandt Mining Company
Warrick Delaney, Superintendent, Fixed Plant
w.delaney@gemco.com.au
ABN 51 009 265 006
Job
Groote Island
Groote Eylandt, NT
Sector: Mining & Resources
Estimate closes 5 Jul 2026
Scope of works
A bundled price across four structures on Groote: the heavy vehicle wash bay, the reagent store, the crib and change facility and the conveyor transfer house. Roof, wall, safety systems and weatherproofing to each.
Schedule of rates
| Item | Qty | Rate, ex GST | Amount |
|---|---|---|---|
| Preliminaries | |||
| RS-PRE-MOB Mobilisation & site establishment | 4 item | $18,450.00 | $73,800.00 |
| RS-PRE-SWM SWMS, JSA & site-specific safety plan | 4 item | $2,680.00 | $10,720.00 |
| RS-PRE-IND Site induction & verification of competency | 26 ea | $585.00 | $15,210.00 |
| RS-PRE-SUP Site supervision, leading hand | 268 day | $1,248.00 | $334,464.00 |
| RS-PRE-SCF Scaffold: supply, erect, hire 8 weeks, dismantle | 2,180 m² | $94.50 | $206,010.00 |
| RS-PRE-DEM Demobilisation & make good | 4 item | $7,420.00 | $29,680.00 |
| Roofing | |||
| RS-ROF-STR Strip existing roof sheeting & dispose | 3,420 m² | $52.40 | $179,208.00 |
| RS-ROF-KL7 KLIP-LOK 700 HI-STRENGTH roof sheeting, install | 6,840 m² | $141.80 | $969,912.00 |
| RS-ROF-INS Roof insulation blanket 75mm R1.8, install | 6,840 m² | $39.60 | $270,864.00 |
| RS-ROF-SAF Safety mesh, install to purlins | 6,840 m² | $24.80 | $169,632.00 |
| RS-ROF-RDG Ridge capping & barge, supply and install | 720 lm | $146.00 | $105,120.00 |
| RS-ROF-GUT Box gutter, supply and install | 486 lm | $385.00 | $187,110.00 |
| RS-ROF-DWP Downpipe & rainhead, supply and install | 54 ea | $864.00 | $46,656.00 |
| RS-ROF-SKY Fibreglass roof lighting, install | 320 m² | $198.00 | $63,360.00 |
| Wall cladding | |||
| RS-CLD-CUS CUSTOM ORB wall cladding, install | 4,260 m² | $102.40 | $436,224.00 |
| RS-CLD-FLA Custom flashings, supply and install | 1,940 lm | $114.00 | $221,160.00 |
| RS-CLD-CAP Corner & parapet capping, supply and install | 1,080 lm | $138.00 | $149,040.00 |
| Height access | |||
| RS-HGT-ANC Roof anchor point: supply, install & certify | 68 ea | $745.00 | $50,660.00 |
| RS-HGT-STA Static line system: supply, install & certify | 540 lm | $286.00 | $154,440.00 |
| RS-HGT-EWP EWP hire & operator, 45ft boom | 118 day | $1,780.00 | $210,040.00 |
| Weatherproofing | |||
| RS-WPF-SEA Sealant to laps, penetrations & flashings | 3,180 lm | $34.80 | $110,664.00 |
| RS-WPF-PEN Roof penetration flashing, form & seal | 86 ea | $684.00 | $58,824.00 |
| Labour & plant | |||
| RS-LAB-TRV Travel & living away: per person, per day | 1,008 day | $385.00 | $388,080.00 |
| Total, ex GST | $4,440,878.00 |
| GST at 10% | $444,087.80 |
| Total, inc GST | $4,884,965.80 |
Exclusions
- · Barge freight, priced separately by Gemco
- · Demolition of the existing transfer house cladding
- · Any work requiring the conveyor to stop outside the nominated windows
This tender is valid for 120 days from 7 Jun 2026 and is subject to QClad's standard conditions of subcontract. Quantities are measured from the tender documents and re-measured on completion. Payment terms 45 days EOM, retention 5%. All personnel hold current White Card, working-at-heights and site-specific inductions.
Dylan Fraser, Estimating Manager · QClad Services Pty Ltd · ABN 62 138 704 915 · QBCC 1174 320