Demolition Dynamics,
http://www.demolitiondynamics.com/ is a company out of tenn. that specializes in unusual urban explosive demolition work. they work quite often with
D H Griffin and a company named
PROTEC.
Demolition Dynamics, lead by
steve pettigrew, made a name by blowing up sports arenas, coliseums, and towers.
D H Griffin we've already heard about. the owner is the hero of our story who went to nyc after 9/11 and on the same day the president was at ground zero managed to sneak past security, talk his way into running the demolition work for the entire site, receive security ID badge #39, hang out with rudy and other celebs at the world series, and finally get an award from paul wolfowitz. he even got a tour jacket that says "demolition consultant, world trade center site".
PROTEC is an explosion documentation company. they measure the vibrations, etc to make sure no adjoining property is damaged.
they also wrote the implosionworld.com report that "explains" why the towers couldn't have been blown up.
they also just happened to be working in manhattan on 9/11/2001 so they had monitors set up and were recording the entire day. sound familiar?
the implosionworld.com report intro gives a good description of PROTEC's services. read the report carefully, we'll no doubt return to it often in the future.
http://www.implosionworld.com/Article-W ... -06%20.pdfthese 3 companies, Demolition Dynamics, D H Griffin, and PROTEC, have worked as a team on dozens of projects. this article gives a good idea of what they each do.
http://www.pdworld.com/default_article. ... pageID=437 "--------------------------------------------------------------------------------
Implosion » Demolition Dynamics sets new World Record
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Demolition Dynamics sets new World Record
News from the Implosion World by Brent Blanchard
Explosives Experts at Demolition Dynamics Co. (DDC) in USA, recently set a new record for world’s tallest building implosion when they successfully felled the 382-foot (116m) tall Landmark Tower in downtown Fort Worth, Texas.
The 33-story demolition project was wrought with challenges, not the least of which was its tight proximity to nearby buildings. Ten multi-story structures sat directly adjacent to the drop zone, most notably Fort Worth’s oldest church and two historic four-star hotels.
Digged 30-foot receiving pits
Demolition teams with Midwest Wrecking and D.H. Griffin of Texas, Inc., who contracted DDC for the explosives phase of work, overcame the lack of “drop space” by excavated massive 9 m deep receiving pits along the north and west sides of the structure and constructing scaffolding to protect the closest facades of adjacent buildings. Additionally, large steel plates were placed in roadways to protect underground utilities, container trucks and fencing were used to deflect any stray debris from impacting nearby hotels and offices, and a thin layer of wire fencing was draped over the entire structure to prevent hundreds of the building’s outer aluminium panels from “sailing” off site during the collapse sequence.
While this was occurring, blaster Steve Pettigrew and his DDC team loaded a total of 165 kg (364 pounds) of explosives on 11 blast floors, installed wood cribbing to serve as temporary interior support columns, and wired hundreds of feet of steel cables to non-loaded columns to facilitate pulling the structure into the receiving pits.
These substantial protection efforts were performed in an attempt to avoid problems encountered by other contracting teams on previous tall implosion projects. In 1997, the implosion of the 26-story Penzer Building in downtown Pittsburgh failed to fully pitch into its drop zone, causing substantial damage to utilities and nearby businesses. And in 1998, the implosion of the 25-story DL Hudson’s Building in Detroit tossed steel beams into nearby businesses and destroyed a section of the city’s public transportation system.
Adding to the drama of the Landmark Tower implosion, severe lightning and thunderstorms were tracked moving into Fort Worth on the morning of the blast, requiring the timing of the event to be moved forward. Police and security personnel acted quickly to secure the blast perimeter, and the button was pushed 24 minutes ahead of schedule.
When the dust had cleared, a well-fragmented debris pile no more that 9 m tall, with no damage to adjacent structures, spoke as silent testament to the project’s success. Field technicians with Protec Documentation Services verified that ground vibration levels fell within acceptable limits.Midwest Wrecking and DH Griffin of Texas personnel then worked through steady rain and thunderstorms to have all roadways completely reopened by noon.
Text and photos: Brent Blanchard/www.implosionworld.com"
i just noticed that the "
author" of that article is Brent Blanchard, the author of the PROTEC report debunking the demo idea. so i guess protec and implosionworld.com might have a "good working relationship".here's another article about DD. they also do international work.
http://www.pdworld.com/default_article. ... pageID=101"FRANCE - Paris, La Courneuve Tours
Neighbours were so excited to have these ten buildings demolished that they tried to do the job themselves with Molotov cocktails while the structures were being prepared for implosion. Turns out it was nothing that 600 Federal Police couldn’t handle, and Demolition Dynamics Co. Franklin, Tennessee USA eventually brought the structures down without incident."
from the same webpage, more on DD's work.
"USA - Washington DC, DC Convention Center
At 800,000 square ft2(74342m2)and surrounded by 5-star hotels, the US Treasury Department and the US Office of Homeland Security, this was easily the largest and most delicate implosion of the year. Blaster Steve Pettigrew with Demolition Dynamics Co. teamed up with Wrecking Corp. of America to ensure that this world-class project went off without a hitch."
here's some info on
Demolition Dynamics owner steve pettigrew and his past experience. he started out with
CDI, everyone's favorite demo suspect on 9/11 and in okc. btw, it seems tv shows about the demo industry have been popular lately.
http://dsc.discovery.com/tv/detonators/ ... igrew.html"
Meet Steve Pettigrew
Demolition Dynamics Blaster
One of the top blasters in the United States, Steve has felled hundreds of structures, and can proudly stamp his name on some of the biggest implosion jobs. He actually trained to become a professional chef but made a different turn into the world of demolition over 30 years ago. Steve started out with Controlled Demolition Inc. in 1977, working his way up from a laborer to a project manager. After spending six months working in Australia, Steve eventually returned to the states in the early 1990s where he founded Demolition Dynamics.
Steve has brought down everything from giant sports stadiums and convention centers to inner city buildings and industrial smoke stacks. His jobs include the massive Veteran's Stadium in Philadelphia, Jacksonville Memorial Coliseum and the Club Med hotel in Bermuda."
if you're interested a quick google search will show plenty more examples of Demolition Dynamics, D H Griffin and PROTEC working together. here's one more example that seems appropriate,
they blew up twin towers in louisiana.
http://www.implosionworld.com/boelnrbftp.htmthough most articles simply say the companies "worked together", or "hired each other", the reality is they are, or were part of the same company. Demolition Dynamics was a spin off from d h griffin created just to handle explosive work. here's a law suit that deals with this issue.http://www.aoc.state.nc.us/www/public/c ... 1350-1.htm"Plaintiff contends the record reflects a genuine factual issue as to whether decedent was an employee of defendant. We agree.
It is undisputed that decedent was employed by a separate but related company, D.H. Griffin Wrecking Company (Griffi n Wrecking). D.H. Griffin, Sr., (Mr. Griffin), his son, and Steve Pettigrew (Pettigrew), a former co-worker of decedent, formed defendant company to provide Griffin Wrecking with explosive demolition capabilities. The two companies often worked together on demolition projects , and decedent likewise was regularly involved with such projects.
Defendant maintains decedent, at the time of his death, was an employee of both Griffin Wrecking and defendant and that plaintiff's claim alleging negligence by defendant is barred by the exclusivity provisions of the Act. However, plaintiff contends decedent was solely an employee of Griffin Wrecking and that plaintiff's wrongful death action against defendant may therefore proceed"
so it appears demolition dynamics and d h griffin are very closely related companies. at least they were, demolition dynamics has since been sold.
when i resume i'll try to show why i think all of this is at least interesting.