Wind has been used for over a thousand years, with the first known windmill built between 500-900 AD in Persia (known as Iran, today). For centuries to come, wind would be used to power grain mills and scoop up water out of a river or stream. Surprisingly, the first windmill, or wind turbine, to actually produce electricity was built way back in 1887 in Scotland. Inventor James Blyth used the turbine to power his vacation home.
Now, wind turbines for electricity are slowly gaining in popularity, but the race is on to see who can make them more and more efficient. Just like solar power, not all of the energy gained from wind can be used.
How do Wind Turbines Work?
Wind turbines are obviously more suitable to windy environments, as it uses the wind to turn its blades. The blades typically rotate at 18 RPM, which is pretty slow, so a series of gears are installed inside the shaft that rotate at 1800 RPM. Those gears then power a generator, which begins to create electricity. The video below gives great information for those looking to learn more about how wind turbines work.
Locogen Wind Turbine Timelapse
Now, for the main attraction. The 330KW wind turbine in North Ayrshire, Scotland. The structure stands 200 feet high (61m) and is Locogen’s Enercon E33 turbine. In the video, you’ll see the entire construction process, from beginning to end and it’s filmed up close, so you can see pretty much every detail. Typically, timelapse videos only show an overview of the entire site, so you can barely tell what’s actually being done, so it’s nice to see a company take a different approach.
After causing devastation in the Bahamas, Hurricane Dorian worked its way up the U.S. East Coast last week and eventually made its way up to Nova Scotia, Canada as a Category 2 storm. The storm left more than 369,000 without power in the Canadian Region, according to CBC, but also caused a tower crane to buckle and collapse in the city of Halifax.
Unless you work on infrastructure and some other specialty structures, you’ve probably always wondered how underwater structures are built. It’s always admittedly been a bit of a mystery to me, as I only encounter relatively small amounts of water on my retail construction sites. Some dewatering here and there or a small creek relocation can add some difficulty to a project, but they’re manageable.
As large of an industry as the construction industry is and with the amount of characters that I’ve met in my career, I’ve always been surprised at the lack of television programming covering large building projects. The Construction Channel, an online new media company, is taking matters into their own hands and has recently released episodes of a documentary series called “Six Figures, No Suits” (SFNS)
We have featured Priestly Demolition Inc. (PDI) on Construction Junkie many times, because of one simple fact: they produce high quality and informative videos about their craft. That’s not something many other companies in the construction industry can say – and now it’s paid off for them in the form of a television show.
When you need to demolish a building in a tight downtown setting, you make sure to hire people who have the right experience to do the job. Controlled Demolition, Inc (CDI), was at it again recently, when they shared a video of a recent building implosion in Dallas, TX.
Falls on the jobsite is the leading cause of injuries and fatalities in construction. Keeping up with housekeeping on your site is a great way to reduce risks of falls, but other protections, like rebar caps should be installed when rebar is exposed. A young construction worker recently found out the hard way what happens when rebar is left exposed.
Completed in 1976, the CN Tower in Toronto, Canada held the record for the tallest freestanding structure in the world from 1975-2007, until it was supplanted by Dubai’s Burj Khalifa. At its highest point, the CN Tower, which is mainly used as a communications and observation tower, reaches 1,815.4 feet (533.33m). Last year, the tower underwent a $16 million renovation and Priestly Demolition shared a fascinating, in-depth video for how they took care of the demolition of the interior space and walls.
Cranes collapsing on-site are serious business, especially since many of them resulted in the loss of life. A recent crane collapse on a construction site in Alpharetta, GA was caught on camera after it caught fire, but luckily no one was injured.
There are a lot of different specialty construction contracting sectors within the industry and cruise ships are definitely one of them. There are plenty of unique challenges when dealing with a moving ship versus a static building. A recent accident highlighted the challenges when a crane collapsed on a cruise ship under renovations, injuring 8 people.