Home -> Rehab -> $500 million Possible Rehabilitation Costs

As the Mt Coot-tha Quary (MCQ) operations begin to run out of gravel: Who will pay for the $400,000,000 rehabilitation costs to fix Brisbane's Huge Horrific Hole on the Hill?

BCC Has No MCQ Rehabilitation Plans at all.

Cornwall Eden Project Accumulated GVA (Gross Value Added)

Cornwall Eden Project Annual GVA (Gross Value Added)

Mt Coot-tha Zipline Style Project Lost Accumulated Benefit

Eden Project Anglesea Vic. Income Estimates

Eden Project Anglesea Vic. Employment Estimates

Mt Coot-tha Zipline Style Project Lost Annual Benefit

MCQ removes huge amounts of gravel with no future plan

MCQ Blasting decreases as they start to run out of gravel to mine

MCQ Qld Globe Geospatial Hole Size Measurement

MCQ Qld Globe Geospatial White Contour Lines

MCQ Qld Globe Surface Area Measurement By Contour Lines

MCQ Qld Globe Surface Area Contour Line 2

MCQ Qld Globe Perimeter Length Contour 9 Example

Who will pay the $400+ million bill for the rehabilitation costs to fix Brisbane's Big Hole, to make it compatible with one of Australia's most Accessible Nature Tourism Precincts?
The Rehabilitation cost greatly exceeds the money made from using or selling the quarry gravel.
The cost increases much more every year that it is neglected, because of both the Missed Benefit and CPI Cost Increases.

A Normal Quarry: Dig out the gravel and then leave the area exposed.
Mt Coot-tha Quarry: Dig out the area and then pay for the huge rehabilitation costs in the middle of a very popular DOGIT Parkland area, which is Brisbane's second most popular tourist area.

We live in a time when after 90 years, (during which the only thing that mattered was the gravel), that Tourism Income in the Quarry Zone has become much more important to QLD economics & employment. Plus Social Media spreads Bad Holiday News very rapidly to every corner of the world.
Yet every month the Brisbane City Council blasts this gigantic hole bigger and bigger, with minimal profit, no closure plan and totally ignoring the rapidly increasing rehabilitation costs.

Known Approximate MCQ Dimensions:
Total Map Area = 30 Hectares = 300,000sqm. Total Surface Area = approx. 40 Hectares = 400,000sqm.
Total Legacy Way Spoil Fill = 2.3million cubic metres (like a drop in the bucket for this massive quarry hole).
Approximate Quarry Hole Size: Length=700m, Width=500m, Depth=100m.
Estimated Hole Volume = 13 million cubic metres.
Estimated Hole Weight = 40 million tonnes.
Estimated Crushed Gravel Removed Volume = 20 million cubic metres.
Estimated Total Truck Movements = 8 million (to - from).
Maximum Number of MCQ Mine Bench Shelves = 10.
MCQ Mine Design Bench/Shelf Parameters: Drop-off Height=15m, Rock-Width=20m.

MCQ Rehab Cost Estimate based on Roma Street Parkland Cost:
Roma Street Final Cost = $72 million in 2001. CPI annualised Cost in 2020 money = $117 million.
Roma Street Map Area = 16 Ha. MCQ Surface Area = 38.9 Ha. MCQ Vertical area = 9Ha.
MCQ Area Upsize Factor = 2.4x (240%). Adding 30% Contingency = 3.2x (320%).
Estimated MCQ Rehab Costs: MCQ in 2020 = $370 Million. MCQ in 2025 = $432 Million. MCQ in 2032 = $504 Million.

The Eden Gardens Project in Cornwall UK Financial Data
Eden Surface Area = 12 Ha. Operational period = 20 years.
Reported Financial Benefit since 2001 = AUD$4 Billion (GBP 2billion).
Reported Current Gross Value Added = AUD$200 million/year (GBP 100 million).
(Currency converstion is approximate).

The Eden Project Anglesea near Geelong in Victoria
Former Usage: Alcoa Mine Site.