Nov 9, 2022 · 34m · green-blueprint
The Ike Dike: the biggest civil engineering project in US history
Dr. Bill Merrill · 9m spoken Alexandria Herr · 7m spoken Dr. Jim Blackburn · 4m spoken Stephen Lacey · 4m spoken Kiah Collier · 3m spoken
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gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions
This episode of The Carbon Copy investigates the proposed $31 billion 'Ike Dike,' the largest civil engineering project in U.S. history designed to protect the Texas coastline and Houston's critical industrial corridor from catastrophic hurricane storm surges.
How this conversation actually went
Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. How this is scored →
The hosts as informed peer 3.0 Guest teaching 3.8 Guest disagreement 0.6 The hosts pushing back 0.5
speaking balance: gold is the hosts, purple is the guest (3 minute bins)
Sharpest disagreement ▶ 22:12 Merrill slams US coastal policy flaws
Merrill bluntly criticizes US decision-making and risk posture, stating that unlike the Dutch who protect for millennia, the US is floundering around with inadequate public policy and weak compromises.
Hardest push from the hosts ▶ 21:41 Lacey stops tape on substandard designLacey halts the dialogue in disbelief, directly challenging the rationality of the Army Corps planning a multi-billion-dollar project that fails to protect against a 1-in-100 year storm.
Biggest teaching moment ▶ 23:03 Shocking Dutch flood standards revealedMerrill stuns the host by revealing that Rotterdam builds coastal protection for a 10,000-year event while US leaders struggle to commit funds even for a 100-year threshold.
The host holds their own ▶ 18:05 Lacey leverages reporting on Rotterdam gatesLacey draws upon his own technical reporting trip to the Netherlands in 2009 to ground and substantiate Merrill's claims about the engineering scale of the Rotterdam surge barriers.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | The hosts as informed peer | Guest teaching | Guest disagreement | The hosts pushing back | Why |
|---|---|---|---|---|---|---|
| Surviving Hurricane Ike and the Dutch Inspiration | 2 | 3 | 0 | 0 | Hosts set up the narrative framework and listen as Dr. Merrill and journalist Kiah Collier detail the devastation of Hurricane Ike on Bolivar Peninsula and the Strand. Merrill introduces the core premise that the Dutch would never tolerate such preventable storm destruction. | |
| Conceptualizing the Ike Dike and Securing Federal Authorization | 3 | 2 | 1 | 0 | Alexandria Herr narrates the 13-year legislative arc of WRDA 2022 while Merrill describes the initial ridicule and opposition his proposal faced before reaching federal consideration. The tone is collaborative and expository. | |
| Supercomputer Modeling of Houston's Hypothetical Perfect Storm | 3 | 4 | 0 | 0 | Dr. Jim Blackburn and Kiah Collier explain supercomputer simulations of a worst-case storm surge entering Galveston Bay and disabling the Port of Houston. Stephen Lacey contextualizes the macro supply shock implications. | |
| The Threat of Catastrophic Toxic Spills in Galveston Bay | 2 | 5 | 0 | 0 | Blackburn delivers a detailed technical breakdown of how 2,200 oil and hazardous storage tanks could rupture from buoyant force and floating container battering rams, producing an immediate 100-million-gallon chemical spill. The hosts absorb the sobering scenario. | |
| Engineering the Coastal Barrier and Lessons from Rotterdam | 4 | 3 | 0 | 0 | Stephen Lacey contributes his firsthand reporting experience seeing the Rotterdam flood barriers, complementing Merrill's description of bringing skeptical Texas engineers to witness the Maeslantkering gates in operation. | |
| Debating Safety Standards and U.S. Risk Tolerance | 4 | 6 | 3 | 4 | Merrill educates the hosts on the stark contrast between Dutch 10,000-year engineering standards and the diluted sub-100-year Army Corps design. Lacey pauses the interview in disbelief to challenge how a sub-100-year design could possibly be justified given recent storm frequencies. | |
| The Galveston Bay Park Plan as a Secondary Defense Line | 3 | 4 | 0 | 0 | Blackburn lays out the engineering mechanics of the Galveston Bay Park Plan as an indispensable interior secondary defense line, citing modeling showing 22-foot surges penetrating the bay despite the outer coastal spine. | |
| The Shifting Politics of Coastal Resilience and Merrill's Tenacity | 3 | 3 | 1 | 0 | Alexandria Herr questions how Merrill maintains resolve when public policy falls short of optimal protection, and Merrill explains his pragmatic philosophy that even baseline 100-year defense prevents absolute catastrophe. |
Statements from this episode (15)
Proposed Texas Ike Dike will be most expensive US civil engineering project
“It hasn't been built yet, but once it is, it'll be the biggest and most expensive civil engineering project in U.S. History.”
Congress passed Ike Dike plan in 2022 Water Resources Development Act
“That study itself took years and years, and then it ended up in a plan that finally made its way to Congress as a part of the Water Resources and Development Act of twenty-twenty-two. That piece of legislation passed both the House and the Senate this summer.”
Ike Dike is a $31 billion project taking 18 years to build
“As it stands right now, it's a thirty-one billion dollar project that's going to take at least 18 years to build.”
Port of Houston generates $800 billion in annual economic value
“It's home to the Port of Houston, which is the largest container port on the Gulf. It generates about eight hundred billion in economic value every year, and it's a hub for refining imports and exports of petroleum and petroleum products, basically an energy c…”
24-foot surge would flood 2,200 Houston hazardous material storage tanks
“There's about, oh, I think, around 4500 storage tanks that are filled with oil and hazardous material. And about 2200 of them would be flooded with a 24 foot surge.”
Houston storm surge could instantly release half a Deepwater Horizon spill
“The Deepwater Horizon was about two hundred and ten million gallons of oil. This would be about a hundred million gallons of oil and hazardous substances, so it's about half the size of the Deepwater Horizon, but that would all happen at one time.”
Ike Dike will span over 60 miles of dunes and sea gates
“Gonna be a sixty-plus mile, mile-long structure. A lot of the, a lot of it'll look totally natural. We'll either have fortified dunes, or the Corps proposed to put natural dunes in. But then the gates will be the thing that will really stand out.”
Rotterdam storm surge barrier gates match the Eiffel Tower in size
“The Rotterham gates are the side, both gates are the size of the Eiffel Tower on its side, to give you, it's, they're monsters.”
Mega flood gates require massive scale rather than complex engineering
“It's big engineering. It's not particularly hard engineering, but it is big engineering”
Army Corps natural dunes will fail against storms stronger than Ike
“The Army Corps' natural dunes would only protect you for to about an Ike-like storm. Nothing stronger. So they would be wiped out. And then if another storm comes, and we've had up to three storms in a season come near us, so, you know, we could be hit again a…”
Dutch flood infrastructure protects Rotterdam against 10,000-year storms
“The upper part around Rotterdam's protected a 10,000 year storm. The lower area, the more agricultural area, is protected to a 3000 year storm.”
Merrill predicts US will not fund 1,000-year storm protection in his lifetime
“Not in my lifetime, would be my guess. I just think it's gonna, that would cost too much money. But I think what you're gonna see is as sea level rises, The threats become worse and worse. We're going to have enough trouble just keeping that a hundred year pro…”
Proposed coastal spine alone still allows massive Houston Ship Channel surge
“A category five storm coming in south of Galveston, you know, south of the Galveston Bay entrance channel with the coastal spine in place would generate about 22 to 24 foot of flooding up the ship, up the Houston ship channel. Almost as bad as without, without…”
Engineered coastal protections will become standard as rapid intensification prevents evacuation
“I think you're going to see more and more of these types of projects come in as sea level continues to arise and hurricanes become harder to deal with. They seem to, they're definitely intensifying faster, so it's harder to evacuate. That only leaves protectio…”
Targeting 100-year storm protection is sufficient to avert total coastal catastrophe
“If we get a hundred years, We can prevent a catastrophe. We may not be able to prevent a disaster, but we can prevent the really nasty situations where people are isolated for weeks and just terrible things happen. So, we can prevent that with a lower level of…”