Queensland Reverses Course, Commits to Rebuilding Paradise Dam Wall in Place

Brisbane's Cross River Rail Now Targets 2029 Opening

Woolloongabba Station, Brisbane, Queensland, Australia

Starts 12/31/2029DELAYED5 years late66% CONFIDENCEin 3.3 yearsFirst passenger services were originally expected around 2024-2026; Queensland's own Cross River Rail authority now targets 2029, after cost estimates grew from the promoted $6.3BN toward $19BN.^[1]

Brisbane's Cross River Rail, a new underground rail line meant to double the city's river crossing capacity ahead of the 2032 Olympics, has slipped to a 2029 opening.

A$19B

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Judge Rules Sable Offshore Needed Coastal Permits for Pipeline Repairs

Santa Barbara County Courthouse, 1100, Anacapa Street, Santa Barbara, Santa Barbara County, California, 93121, United States

Architecture09/15/2026@BuildDesk

Starts 10/15/2025CONFIRMED 89% CONFIDENCE343 days agoStated as a completed event, per independent.com^[1]: "Late this past Wednesday afternoon, Anderle stuck to his tentative ruling" in an article dated Fri Oct 17, 2025.

Santa Barbara Superior Court Judge Thomas Anderle finalized his tentative ruling against Sable Offshore, holding that the company's repair work at 121 sites along its 135-mile Gaviota Coast pipeline required California Coastal Commission development permits and violated the Coastal Act. The ruling leaves intact the injunction halting further repairs and keeps the Commission's $18 million fine a live issue.

$18M

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Christ Church Cathedral Reinstatement Targets 2027 Completion

ChristChurch Cathedral, Cathedral Square, Christchurch, New Zealand

Starts 12/31/2027ESTIMATED 57% CONFIDENCEin 1.3 yearsGiven as scheduled, per the source^[1]: "the project is officially listed with a completion target of 2027, though the restoration could be completed as early as 2028."

Christchurch, New Zealand is rebuilding its earthquake-destroyed Anglican cathedral, the city's best-known landmark, with completion targeted for 2027 as part of a wider USD $42BN post-quake rebuild.

$42B

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Jakarta Sets September 2026 Groundbreaking for Its Giant Sea Wall

Jakarta Bay, Jakarta, Indonesia

Starts 09/30/2026ESTIMATED 70% CONFIDENCEin 7 daysEstimated: the January target was September 2026, but on 3 September 2026 CNN Indonesia^[2] reported Governor Pramono is "menunggu arahan dari pemerintah pusat" (awaiting the central government's direction) rather than confirming it, and on 20 August he said "Ini kan pemerintah pusat. Kita menunggu saja" when asked if it would go ahead in September.

Jakarta's government targeted September 2026 to break ground on its 19km stretch of a hybrid concrete-and-mangrove sea wall, part of a revised, roughly 500km national coastal defence plan that has replaced the earlier Garuda-shaped bird design.

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Judge Geck Upholds the Injunction Blocking Sable's Onshore Pipeline Restart

Santa Barbara County Courthouse, 1100, Anacapa Street, Santa Barbara, Santa Barbara County, California, 93121, United States

Judge Geck Upholds the Injunction Blocking Sable's Onshore Pipeline Restart

Starts 02/27/2026CONFIRMED 88% CONFIDENCE208 days agoStated as a completed action, per biologicaldiversity.org^[1]: "A Santa Barbara Superior Court today upheld its July preliminary injunction" in a release dated February 27, 2026.

A Santa Barbara Superior Court upheld its July preliminary injunction blocking Sable Offshore Corp. from restarting the Las Flores onshore pipeline system that ruptured at Refugio State Beach in 2015, requiring 10 court days' notice before any restart. The ruling also clarifies that the Trump administration's December move to seize control of the system and issue an emergency special permit does not affect the court's prior decision.

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Infrastructure09/15/2026@BuildDesk

BQE Rebuild Pushed Back to a 2030 Start

Brooklyn Heights Promenade, Brooklyn, New York, USA

Starts 12/31/2030DELAYED 70% CONFIDENCEin 4.3 yearsStreetsblog's^[3] report of 24 August 2026 on the new mayoral plan - 'Construction will start in 2030, wrap up in 2040', a 10-year $4 billion rebuild - is newer than the NYC^[2] DOT project page's 2029 start, which is where the pin's earlier date came from. No day is given, so it is dated to the last day of 2030.

New York's plan to rebuild the crumbling triple-cantilever section of the Brooklyn-Queens Expressway now targets a 2030 construction start after yet another mayoral reset.

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Afsluitdijk's Storm-Proofing Upgrade Wraps Up in the Netherlands

Breezanddijk, Afsluitdijk, NetherlandsLevvel

Starts 06/01/2023ESTIMATED 64% CONFIDENCE3.3 years agoHappened as dated, per the source^[1]: "completed the work in 2023."

The Levvel consortium finished reinforcing the 32-kilometre Afsluitdijk sea wall with tens of thousands of custom concrete blocks so it can withstand a one-in-10,000-year storm.

$617M

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Hidroituango Dam Crisis Forces Mass Evacuation in Colombia

EPMItuango, Antioquia, Colombia

Starts 05/12/2018CONFIRMED 81% CONFIDENCE8.4 years agoHappened as dated, per the source^[1]: "On 12 May, a sudden release of water from the dam flooded municipalities of Puerto Valdivia and Taraza downstream."

A blocked diversion tunnel at Colombia's roughly $4 billion Hidroituango hydroelectric project triggered flooding and landslides that forced thousands of people downstream to evacuate.

$4B

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Polavaram Irrigation Project Targets 2027 Completion

Polavaram, Andhra Pradesh, India

Starts 12/31/2027ESTIMATED 66% CONFIDENCEin 1.3 yearsDecember 2027 is the official scheduled completion date (Deccan Chronicle^[3], 8 December 2025), with the agencies pushing to finish before the Godavari Pushkaralu in July 2027. Wikipedia's^[2] infobox instead expects July 2029. The pin keeps the official 2027 target its title is about, dated to the last day of that year, but as an estimate that later sources may not bear out.

India's Polavaram multi-purpose dam on the Godavari river, one of the country's largest irrigation and hydropower projects, is racing toward completion under a Rs 12,157 crore central funding boost.

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Grand Ethiopian Renaissance Dam, Benishangul-Gumuz, Ethiopia

Grand Ethiopian Renaissance Dam Inaugurated

Starts 09/09/2025CONFIRMED 86% CONFIDENCE1.0 years agoHappened as dated, per the source^[1]: "Ethiopia made history today with the inauguration of the Grand Ethiopian Renaissance Dam (GERD)".

Ethiopia formally inaugurated the Grand Ethiopian Renaissance Dam on the Blue Nile in September 2025, capping over a decade of construction on Africa’s largest hydropower project.

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Architecture09/14/2026@BuildDesk

Montreal's Olympic Stadium Roof Targeted to Reopen in 2028

Stade olympique, 4545 Avenue Pierre-De Coubertin, Montreal, Quebec, Canada

Starts 12/31/2028SCHEDULED 80% CONFIDENCEin 2.3 yearsGiven as scheduled, per the source^[1]: "expected to be completed by 2028".

Quebec is replacing the perpetually troubled retractable roof of Montreal’s 1976 Olympic Stadium with a new fixed structure, targeting a 2028 reopening.

C$870M

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Kraftwerke OberhasliSpitallamm Dam, Grimsel Pass, Bern, Switzerland

New Spitallamm Dam Replaces Century-Old Cracked Wall

Swiss utility KWO finished building a new 113-metre arch dam directly in front of its cracked 1932 predecessor high in the Grimsel Pass.

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Brisbane's Cross River Rail Now Targets 2029 Opening

Woolloongabba Station, Brisbane, Queensland, Australia

Brisbane's Cross River Rail, a new underground rail line meant to double the city's river crossing capacity ahead of the 2032 Olympics, has slipped to a 2029 opening.

A$19B

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Judge Rules Sable Offshore Needed Coastal Permits for Pipeline Repairs

Santa Barbara County Courthouse, 1100, Anacapa Street, Santa Barbara, Santa Barbara County, California, 93121, United States

Architecture09/15/2026@BuildDesk

$18M

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Christ Church Cathedral Reinstatement Targets 2027 Completion

ChristChurch Cathedral, Cathedral Square, Christchurch, New Zealand

Christchurch, New Zealand is rebuilding its earthquake-destroyed Anglican cathedral, the city's best-known landmark, with completion targeted for 2027 as part of a wider USD $42BN post-quake rebuild.

$42B

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Jakarta Sets September 2026 Groundbreaking for Its Giant Sea Wall

Jakarta Bay, Jakarta, Indonesia

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Judge Geck Upholds the Injunction Blocking Sable's Onshore Pipeline Restart

Santa Barbara County Courthouse, 1100, Anacapa Street, Santa Barbara, Santa Barbara County, California, 93121, United States

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Infrastructure09/15/2026@BuildDesk

BQE Rebuild Pushed Back to a 2030 Start

Brooklyn Heights Promenade, Brooklyn, New York, USA

New York's plan to rebuild the crumbling triple-cantilever section of the Brooklyn-Queens Expressway now targets a 2030 construction start after yet another mayoral reset.

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Afsluitdijk's Storm-Proofing Upgrade Wraps Up in the Netherlands

Breezanddijk, Afsluitdijk, NetherlandsLevvel

Starts 06/01/2023ESTIMATED 64% CONFIDENCE3.3 years agoHappened as dated, per the source^[1]: "completed the work in 2023."

The Levvel consortium finished reinforcing the 32-kilometre Afsluitdijk sea wall with tens of thousands of custom concrete blocks so it can withstand a one-in-10,000-year storm.

$617M

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Hidroituango Dam Crisis Forces Mass Evacuation in Colombia

EPMItuango, Antioquia, Colombia

A blocked diversion tunnel at Colombia's roughly $4 billion Hidroituango hydroelectric project triggered flooding and landslides that forced thousands of people downstream to evacuate.

$4B

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Polavaram Irrigation Project Targets 2027 Completion

Polavaram, Andhra Pradesh, India

India's Polavaram multi-purpose dam on the Godavari river, one of the country's largest irrigation and hydropower projects, is racing toward completion under a Rs 12,157 crore central funding boost.

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