Construction Begins on The Delmore, Surfside Collapse Site

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• Transport09/15/2026@BuildDesk

  Construction Begins on New York's Hudson River Rail Tunnel

  North River Tunnel, Weehawken, New Jersey

  

  Starts 11/03/2023CONFIRMED89% CONFIDENCE2.9 years agoHappened as dated, per the source^[1]: "construction finally began Nov. 3 on the Hudson River Tunnel portion of the Gateway Program^[2]".

  Crews broke ground on the Hudson Tunnel Project, a new rail tunnel meant to relieve the century-old, storm-damaged North River Tunnel beneath the Hudson River.

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• Architecture09/15/2026@BuildDesk

  San Francisco's Millennium Tower Fix Declared a Success

  301 Mission Street, San Francisco, California, USA

  

  Starts 06/21/2023CONFIRMED89% CONFIDENCE3.3 years agoHappened as dated, per the source^[1]: the pile-driving and load-shifting project "was finished earlier this month," in an article published June 21, 2023.

  Engineers completed a $100M underpinning project meant to arrest the sinking and tilt of San Francisco's Millennium Tower.

  $100M

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• Transport09/15/2026@BuildDesk

  Stad Ship Tunnel Construction Pushed to Early 2027

  Stadlandet, Norway

  

  Starts 01/01/2027DELAYED3 years late64% CONFIDENCEin 100 daysGiven as scheduled, per the source^[1]: "the aim of starting construction in the beginning of 2027."

  Norway's plan to blast the world's first full-scale ship tunnel through the Stad peninsula has cleared its funding hurdles, with construction now set to begin in early 2027.

  kr 8.6B

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• Transport09/15/2026@BuildDesk

  BQE Rebuild Pushed Back to a 2030 Start

  Brooklyn Heights Promenade, Brooklyn, New York, USA

  

  Starts 12/31/2030DELAYED70% 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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• Transport09/14/2026@BuildDesk

  Réunion's Nouvelle Route du Littoral Set for Full Completion

  Nouvelle Route du Littoral, La Grande Chaloupe, Saint-Denis, La Réunion, France

  

  Starts 06/30/2030ESTIMATED67% CONFIDENCEin 3.8 yearsThe route has already been delayed for years by court rulings, redesigns and rework, so this remains a target rather than a firm date. Given as scheduled, per the source^[1]: "for a complete opening mid-2030."

  The final offshore-viaduct section of Réunion's storm-battered coastal highway replacement, plagued by quarry bans and redesigns, is now due to fully open by mid-2030.

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• Architecture09/14/2026@BuildDesk

  Salt Lake Temple Completes Seismic Base-Isolation Retrofit

  Salt Lake Temple, Salt Lake City, UT, United StatesThe Church of Jesus Christ of Latter-day Saints

  

  Starts 06/30/2026CONFIRMED88% CONFIDENCE85 days agoHappened as dated, per the source^[1]: "Starting Thursday, June 25, construction crews removed over 1,500 bolts connecting 392 plates to the base isolators."

  Crews finished installing a base-isolation system beneath the 19th-century Salt Lake Temple as part of an estimated $2.4 billion project to let the building float free of the ground during a major earthquake.

  $2.4B

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• Architecture09/14/2026@BuildDesk

  Parliament Hill's Centre Block excavation begins

  Parliament Hill, Ottawa, Ontario, Canada

  

  Starts 07/30/2020CONFIRMED90% CONFIDENCE6.1 years agoHappened as dated, per the source^[1]: "controlled explosives use and rock removal activities" began in front of Centre Block on Parliament Hill on July 30, 2020.

  Crews began blasting a 23-metre-deep pit in front of Canada's Centre Block to make way for a new underground Welcome Centre and earthquake base isolation system.

  C$5B

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• Energy09/22/2026@EnergyDesk

  New Spitallamm Dam Replaces Century-Old Cracked Wall

  Kraftwerke OberhasliSpitallamm Dam, Grimsel Pass, Bern, Switzerland

  Starts 12/31/2025ESTIMATED65% CONFIDENCE266 days agoSources place the new dam's completion in 2025 - some reporting it already in operation by autumn 2025 - with the powerplant's full restart following in 2026; no single confirmed completion date was found.^[1]

  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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• Energy09/22/2026@EnergyDesk

  ExxonMobil Joins Hebron's Topsides to Its Gravity Base Structure at Bull Arm

  ExxonMobil·…Bull Arm, Newfoundland and Labrador, Canada

  12/13/2016 - 12/14/2016CONFIRMED87% CONFIDENCE9.8 years agoCBC^[2] News reported that ExxonMobil Canada confirmed the Hebron topsides and gravity base structure were joined at Bull Arm on Dec. 13-14, 2016.

  ExxonMobil Canada's Hebron project reached a major construction milestone when the platform's topsides were joined to its concrete gravity base structure at the Bull Arm fabrication site in Newfoundland. Italian heavy-lift specialist Fagioli had earlier installed the topsides' largest modules, including a 45,000-tonne utilities process module shipped from South Korea.

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• Science09/15/2026@BuildDesk

  Hyper-Kamiokande Neutrino Observatory Cavern Completed

  Kamioka, Hida, Gifu Prefecture, Japan

  

  Starts 07/31/2025CONFIRMED89% CONFIDENCE1.1 years agoHappened as dated, per the source^[1]: "the University of Tokyo completed excavation of the colossal cavern that will house the main detector volume of Hyper-Kamiokande" on July 31, 2025.

  Crews finished excavating the huge cavern in a Japanese mountain that will house the Hyper-Kamiokande neutrino observatory, a step toward the detector's planned start of observations.

  $600M

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• Marine09/20/2026@BuildDesk

  The Houston Ship Channel's Project 11 Widening Finishes

  Houston Ship Channel, Galveston Bay reach near Morgans Point, TexasPort Houston

  

  Starts 12/31/2029ESTIMATED63% CONFIDENCEin 3.3 yearsPort Houston's project page describes "expediting the process to complete the work in 2029", a year rather than a day, so it sits at the end of that year.^[1]

  Project 11 widens the channel by 170 feet along its Galveston Bay reach, from 530 to 700 feet, and deepens upstream segments to 46.5 feet so the largest container ships can pass one another. Dredging began in 2022; Port Houston finished its own segments in October 2025 and the US Army Corps of Engineers is completing the rest, with the spoil building bird islands, marsh and oyster reef.

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• Infrastructure09/14/2026@BuildDesk

  New York Harbor Storm Surge Plan

  Rockaway Beach, Queens, New York, USAUS Army Corps of Engineers

  

  Starts 12/31/2044ESTIMATED67% CONFIDENCEin 18.3 yearsA target, per the source^[1]: if approved, "work would begin in 2030 and be completed by 2044"; as of now the plan "has not yet received final approval."

  The US Army Corps of Engineers is advancing a $52.6BN plan of storm-surge gates, sea walls and levees around New York Harbor, after shelving a more radical $119BN 'mega sea wall' spanning the harbor mouth.

  $52.6B

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