This post was removed at the request of the victim’s family. Please see a subsequent apology.
Continuous-flight Auger Piles
National Work Zone Awareness Week, April 7-11 2008
April 7-11 is National Workzone Awareness Week (NWZAW) which draws attention to the hazards roadway construction crews face from motorists not heeding safety warnings. For 2006â€”the last year for which data is availableâ€”more than 1,000 died in work zones. Figures for 2007 will be released by the National Work Zone Safety Information Clearinghouse later this year. Motorists are also at risk for not following work zone safety precautions. They may face damage to their vehicles, injuries, and loss of life. For 2006, 614 motorists died in work zone crashes. (Graphic by Caltrans)
Below are a few items to think about the next time youâ€™re driving through a workzone taken from a Caltrans fact sheet. More after the break (sorry for the â€œDuhâ€ ones, but I didnâ€™t write them). As someone who occasionally works on the road and knows many more people who do, please, please remember to slow down!
- Most injuries and deaths in the Cone Zone are from rear-end collisions.
- If you slow from 65 to 55 mph for one mile, you only lose 10 seconds on your travel time.
- The first cause of death for people aged 16 to 20 is car crashes. Even if you don’t lose your life causing a car crash, it could still cost you your license or a heavy fine.
- If a car’s speed is doubled, the stopping distance is doubled twice over. For example, if a car traveling at 30 mph requires 100 feet to stop, the same car at 60 mph takes not 200 but 400 feet to stop.
- At 60 mph, you’re traveling 88 feet per second. A lot can happen in one second, so give yourself plenty of room to stop in case of an emergency.
- For the 15,000 miles of California highway Caltrans maintains, it must buy 120,000 new cones every year to replace ones run over by careless drivers.
The Drillers, Rigs, Rock and Hart of the Chile Mine Rescue
As 33 trapped miners waited more than 2,000-ft underground for their rescue, a whole team of Chilean government officials, mining engineers, equipment manufacturers and of course drillers came together get the job done. Jeff Hart, a driller from Denver, Colorado was one of the stars of the day. Hart was in Afghanistan drilling deep water wells when he got the call and hopped on a plane. He works for Kansas-based Layne Christensen, and along with 3 other Layne employees, he manned the Schramm T130 drill rig that was part of “Plan B” that eventually became the shaft from which the trapped miners were rescued.
On the drilling platform overseeing the drilling was James Stefanic of Layne, and crew members Matt Staffel, Doug Reeves and Jorge Herrera. The rig and I presume some of the support equipment was owned by Layne’s Latin America affiliate, Geotec Boyles Bros, SA. The drill bits were from Center Rock, Inc. of Berlin, Pennsylvania. The Center Rock CEO, Brandon Fisher, was on site throughout the operation as well.
Read on for more info, photos, video and links on the drilling, drillers and geology of the Chile Mine rescue.