Author Topic: BREAKING: Building explosion rattles windows, walls across Houston  (Read 937 times)

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Offline TomSea

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BREAKING: Building explosion rattles windows, walls across Houston

An explosion rattled windows and shook walls across portions of Houston early Friday.

Viewers from the Cypress area into portions of west Houston closer to downtown reported feeling the boom at about 4:27 a.m.

Developing Story: https://www.msn.com/en-us/lifestyle/home-and-garden/breaking-building-explosion-rattles-windows-walls-across-houston/ar-BBZhMDG
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BNO News
@BNONews
WATCH: 'Massive' explosion at a building in Houston is felt and heard for miles; no word on casualties


https://twitter.com/BNONews/status/1220663215660716032

There you go, early this morning.

We can see what this is about, if not too major, it can be moved to the State boards area, Texas. That explosion looks serious.
« Last Edit: January 24, 2020, 11:39:39 am by TomSea »

Online mountaineer

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #1 on: January 24, 2020, 12:19:24 pm »
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... Law enforcement hasn’t identified the source of the explosion, but some reports indicate it happened at Watson Grinding and Manufacturing, CNC machining and large-scale grinding company. Houston Police Chief Art Acevedo indicated it was a “plant” that exploded. ...
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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #2 on: January 24, 2020, 12:23:04 pm »
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HOUSTON, Texas (KTRK) -- A massive explosion rocked a northwest Houston neighborhood and the blast was felt all across the region Friday morning.

It happened around 4:25 a.m. and originated in the 4500 block of Gessner Rd.  ...

Broken windows, doors, and entire structures appeared to be destroyed in the blast. Witnesses reported seeing two people walking out of the debris field that were injured. Houston firefighters told Eyewitness News the two are expected to recover. It wasn't clear how many other people may be injured.  ...

The origin of the explosion was at Watson Grinding and Manufacturing, a machining and manufacturing company, according to its website.

The owner of the facility told Eyewitness News the explosion originated from a propylene tank. Propylene is an extremely flammable gas that is used to make a variety of products. ...
ABC13 Eyewitness News
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Offline Elderberry

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #3 on: January 24, 2020, 02:53:33 pm »
NBC News By Minyvonne Burke 1/24/2020

"(The explosion) knocked us all out of our bed, it was so strong," said Mark Brady, who lives in a neighborhood near the blast site.

A large explosion at a plant in Houston early Friday was felt for miles, left rubble scattered as far as a half-mile away and damaged nearby homes.

Reports of the explosion started coming in to Houston police around 4:15 a.m., with reports on Twitter of a boom felt across the city. A fire burned following the explosion with smoke seen hanging over the area, The Associated Press reported.

Houston Police Chief Art Acevedo said one worker at the plant was unaccounted for, but a search for the person could not immediately happen until crews closed the valves that are releasing the chemical polypropylene, NBC affiliate KPRC in Houston reported.

Houston police said debris blew as far as a half-mile from the blast site.

"(The explosion) knocked us all out of our bed, it was so strong," said resident Mark Brady. "It busted out every window in our house. It busted everybody’s garage door in around here … It’s a war zone over here."

More: https://www.nbcnews.com/news/us-news/houston-building-explosion-felt-miles-scatters-debris-n1121871




Offline IsailedawayfromFR

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #4 on: January 24, 2020, 03:41:27 pm »
There are neighborhoods all around there.

How could authorities permit this plant to operate?

Should be some mammoth investigations.
No punishment, in my opinion, is too great, for the man who can build his greatness upon his country's ruin~  George Washington

Offline PeteS in CA

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #5 on: January 24, 2020, 05:04:55 pm »
It might be that the plant was operating before housing was built around it. It has happened before, https://en.wikipedia.org/wiki/Giant_Powder_Company .
If, as anti-Covid-vaxxers claim, https://www.poynter.org/fact-checking/2021/robert-f-kennedy-jr-said-the-covid-19-vaccine-is-the-deadliest-vaccine-ever-made-thats-not-true/ , https://gospelnewsnetwork.org/2021/11/23/covid-shots-are-the-deadliest-vaccines-in-medical-history/ , The Vaccine is deadly, where in the US have Pfizer and Moderna hidden the millions of bodies of those who died of "vaccine injury"? Is reality a Big Pharma Shill?

Millions now living should have died. Anti-Covid-Vaxxer ghouls hardest hit.

Offline Elderberry

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #6 on: January 24, 2020, 05:16:02 pm »
They've been there for a while.

http://www.watsongrinding.com/company/about/

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Watson Grinding & Mfg
4525 Gessner

For over 50 years, we’ve provided Machining, Grinding, Lapping & Thermal Spray Coatings to customers.

The quality of our in-house manufacturing processes is assured by our ISO 9001:2008 certification, team of QA/QC certified professionals and our fully equipped in-house Metallurgical Laboratory.

In addition to our expert staff, our state-of-the-art robotic thermal spray facility allows us to precisely apply HVOF, Plasma and Weld Overlay coatings that increase the strength and service life of our customers’ parts.

As a full service manufacturer, additional in-house capabilities include full service CNC Machining, Manual Machining and Precision Grinding of large parts and exotic alloys.


Offline Elderberry

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #7 on: January 24, 2020, 05:42:07 pm »
Updated: At least two people were killed in an explosion at a plant in Houston early Friday, authorities said.

Offline Elderberry

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #8 on: January 24, 2020, 05:55:14 pm »
I wonder since there was such large blast effects from this polypropylene gas leak if there was a deflagration to detonation transition(DDT) that took effect.

https://en.wikipedia.org/wiki/Deflagration_to_detonation_transition

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Deflagration to detonation transition (DDT) refers to a phenomenon in ignitable mixtures of a flammable gas and air (or oxygen) when a sudden transition takes place from a deflagration type of combustion to a detonation type of explosion.

A deflagration is characterized by a subsonic flame propagation velocity, typically far below 100 metres per second (220 mph), and relatively modest overpressures, say below 0.5 bars (7.3 psi). The main mechanism of combustion propagation is of a flame front that moves forward through the gas mixture - in technical terms the reaction zone (chemical combustion) progresses through the medium by processes of diffusion of heat and mass. In its most benign form, a deflagration may simply be a flash fire.

In contrast, a detonation is characterized by supersonic flame propagation velocities, perhaps up to 2,000 metres per second (4,500 mph), and substantial overpressures, up to 20 bars (290 psi). The main mechanism of detonation propagation is of a powerful pressure wave that compresses the unburnt gas ahead of the wave to a temperature above the autoignition temperature. In technical terms, the reaction zone (chemical combustion) is a self-driven shock wave where the reaction zone and the shock are coincident, and the chemical reaction is initiated by the compressive heating caused by the shock wave. The process is similar to ignition in a Diesel engine, but much more sudden and violent.

Under certain conditions, mainly in terms of geometrical conditions (such as partial confinement and many obstacles in the flame path that cause turbulent flame eddy currents), a subsonic flame may accelerate to supersonic speed, transitioning from deflagration to detonation. The exact mechanism is not fully understood,[1] and while existing theories are able to explain and model both deflagrations and detonations, there is no theory at present which can predict the transition phenomenon.


Offline GrouchoTex

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #9 on: January 24, 2020, 07:00:00 pm »
The good news is, Houston doesn't have a lot of zoning restrictions.

The bad news is, Houston doesn't have a lot of zoning restrictions.

" Machining, Grinding, Lapping & Thermal Spray Coatings" don't seem to be something that would be causing such a devastating blast.

The first 3 things, we do here at my plant.

The thermal spray coatings media may have some type of flammable product, I suppose.
When I've had it done, it was mostly things like aluminum anodizing, or tungsten carbide coating.



Offline IsailedawayfromFR

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #10 on: January 24, 2020, 09:43:25 pm »
It might be that the plant was operating before housing was built around it. It has happened before, https://en.wikipedia.org/wiki/Giant_Powder_Company .
Then the authorities are still to blame for allowing housing nearby.

A Bhopal situation where people will get killed, just a matter of time.
No punishment, in my opinion, is too great, for the man who can build his greatness upon his country's ruin~  George Washington

Offline Elderberry

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #11 on: January 24, 2020, 09:48:44 pm »
Neighbor whose home damaged in west Houston warehouse explosion files lawsuit

Houston Chronicle by  Gabrielle Banks and Shelby Webb Jan. 24, 2020

https://www.houstonchronicle.com/news/houston-texas/houston/article/lawsuit-neighbor-houston-gessner-explosion-filed-15001988.php

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Hours after a blast awoke thousands in the Houston area, neighbors with homes damaged by the early morning warehouse explosion began filing what may be the first of an onslaught of lawsuits and a local judge snapped into action issuing an order to preserve evidence.

A District Court judge held an emergency hearing Friday afternoon on two freshly filed lawsuits and approved a temporary restraining order that goes into effect protecting evidence in the cases of two groups of plaintiffs.

Robert S. Kwok said in a release that he represents multiple families whose homes were damaged in the explosion. “Among these families is the Rigoberto Miranda family, who awoke to their ceiling falling in on them while they slept,” according to the release. “Their home is completely devastated, as it was literally moved 6 inches off its foundation.”

According to the Navarro lawsuit, the home’s foundation is broken, her doors won’t shut properly and shingles fell off the roof. Dick estimated it will likely cost more than $50,000 to fix the damage.

More at link.

Offline Elderberry

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #12 on: January 26, 2020, 04:36:54 pm »
Houston Chronicle by  Perla Trevizo Jan. 24, 2020

Roy Hernandez stood inside what was left of his home — shattered glass, roof insulation dropping from the ceiling, doors blasted off their hinges — and worried about what he’d wear to work Monday.

“All my uniforms are up there, underneath all this rubble,” he said in the middle of what used to be the living room.

Outside his broken window sit the remains of the Friday morning explosion at the Watson Grinding Manufacturing. The blast killed at least two workers, sent nearly 20 others to the hospital and damaged more than 200 homes in its vicinity, leaving a few dozen of them uninhabitable — including Hernandez’s.

As the day unfolded, those who had spent the night at a hotel or with relatives, slowly started trickling in. Soon, the quiet was replaced by the commotion of contractors driving around, fire trucks trying to make their way through the narrow residential streets, and volunteers fanning out with gloves and tools in hand.

More than 100 volunteers showed up to help cut plywood to cover windows and repair damaged roofs. Many are part of Restoration Team, a network of more than a dozen churches formed after Hurricane Harvey.

“We are making sure our neighbors know they are not alone in their recovery nor in their journey,” said Josef Klam, executive pastor at Chapelwood United Methodist Church, as the groups went door to door.

More: https://www.houstonchronicle.com/news/houston-texas/houston/article/Houston-homeowners-pick-of-the-pieces-of-home-15004767.php

Offline Elderberry

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #13 on: January 27, 2020, 02:48:41 am »
Click2 Houston by Alisha Ebrahimji 1/26/2020

A Houston car restorer is anxiously awaiting a chance to visit his business, parts of which were destroyed during Friday's deadly explosion at a separate business in the city's northwest corner.

The early morning explosion at Watson Grinding and Manufacturing damaged other buildings up to a half mile away and took the lives of two Watson employees.

Gordon Andrus' restoration business, Houston Corvette Service, occupies two buildings directly across the street from Watson Grinding.

After Friday's explosion, he told CNN that his buildings have been destroyed and he doesn't know the condition of the cars that were undergoing restoration. What he does know is that there were about 15 cars worth about $1 million collectively inside.

More: https://www.click2houston.com/news/local/2020/01/26/corvettes-worth-1m-are-trapped-in-buildings-that-crumbled-in-the-houston-explosion/

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #14 on: January 28, 2020, 04:21:20 pm »
Houston explosion: Corvettes worth $1M trapped inside buildings flattened by blow
By Amanda Woods
January 27, 2020 | 9:34am
 

More than a dozen Corvettes worth about $1 million were trapped inside buildings flattened by the deadly explosion at a Houston manufacturing warehouse, according to a new report.

The Houston Corvette Service, a restoration business, is right across the street from Watson Grinding & Manufacturing, where the Friday morning explosion occurred. Owner Gordon Andrus told CNN that two company buildings — holding about 15 cars worth around $1 million in total — were destroyed.  ... Rest of story at NY Post
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Offline Restored

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #15 on: January 28, 2020, 04:25:50 pm »
Nah, that'll buff right out
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Offline thackney

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Offline Mod2

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #18 on: January 28, 2020, 04:55:36 pm »
Merged threads on Houston explosion.

Offline Elderberry

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Re: BREAKING: Building explosion rattles windows, walls across Houston
« Reply #19 on: January 28, 2020, 05:26:42 pm »
They haven't said what the polypropylene was being used for.

I found this article. Possibly they were using it for cutting, welding and brazing.

https://www.weldstar.com/blog/benefits-propylene-vs-acetylene/

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Acetylene has long been the fuel gas of choice for cutting applications, but many welders are switching to an alternative fuel gas called propylene for increased safety and due to the fact that propylene often provides a significant cost savings over acetylene. In addition, propylene is generally considered safer and it provides increased flexibility because the cutting tip can be farther away from the work surface, while still resulting in an excellent cut. In this post we’ll be covering some of the common reasons to switch from acetylene to propylene to find out if it’s right for you.

Longer Lasting Cylinders – Increased productivity & lower labor costs
Each cylinder of propylene simply has more product than a cylinder of acetylene. For instance, a single 105lb propylene cylinder is equivalent to five, 330 cubic foot acetylene cylinders.

Longer Lasting Cutting Tips – Lower costs
In general, cutting tip consumables last longer when using propylene.

More BTUs & Better Heat Transfer – Increased productivity and effectiveness

Safety Benefits. ?????
« Last Edit: January 28, 2020, 05:28:12 pm by Elderberry »