Lowry Ave Bridge, Minneapolis History Landmark. Gone in the morning!

Minneapolis HIstory. I went and said goodbye. I don't know if I'll be there for the blast, but I'll try to make it! Lowry Avenue Bridge removal implosion on June 21 The Lowry Avenue Bridge, a Minneapolis landmark since 1905, will be removed by implosion at 9 am Sunday, June 21. The current structure, which has been closed since April 2008, must be removed before construction can begin on the replacement bridge this fall. Due to lack of structural integrity, imploding the current structure is the safest option available to workers, and results in minimal disruption to the environment and river navigation. The implosion will sever what remains of the steel trusses, dropping them into the river; residents should expect to hear a loud, deep, boom-like sound. Preliminary dismantling already has taken place. The county plans to salvage, recycle or reuse more than 90 tons of steel and other related items. Implosion contractor Advanced Explosives Demolition Inc. has designated a 1000 ft. horizontal (land) and 1000 ft. vertical (air) safety zone because of expected air pressure vibrations. This area will need to be vacated the morning of the implosion. The Lowry Avenue N. road closure will expand to include from N. 2nd Street to Grand Street NE, and Marshall Street NE will close from 23rd Avenue NE to 26th Avenue NE with a signed detour, the morning of June 21. The industrial zoning of the neighborhood and heavy tree line along the Mississippi River shore means there is limited-to ...



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Construction - Macrete FlexiArch Bridge System

Video shows the construction of a 15 meter span Macrete FlexiArch road bridge in Shropshire England. The patented FlexiArch bridge system is a "flat pack" precast concrete design which replicates the principles of the masonry arch bridge. The Macrete FlexiArch can be made for spans from 3m to 15m with the possibility of wider spans using multiple arches. The Macrete FlexiArch is the invention of Professor Adrian Long, Queen's University Belfast. Macrete Limited is the commercial development partner.



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BARIN - AUTOMATIC BRIDGE CONTROL ABCLine - Model ABC 200L

www.barin.it The ABC machines can also be used on noise/wind barriers up to 5.4 m. height, in case of standard supply. Bigger heights can be fitted on specially designed machines, following the clients needs. The system utilized to overcome noise/wind barriers is a peculiar feature of the equipment, hence there is no need to mount/dismount any additional element to allow such operation during the job. Moreover the time needed to launch the equipment, also in presence of big height barriers, is still limited to just some minutes. ABC platforms, the ideal mean to carry out fast inspections and repair jobs of any kind, can be fitted also with the Assistant Ladder device, allowing the personnel an easy access within beams intradosses. The wide platforms of ABC range allow the operators to carry out whichever repairing job underneath the bridge deck level, by using pneumatic/electrical/hydraulic tools, directly powered by the sockets installed on board the platform same. Also demolition jobs can be carried out, by means of pneumatic hammers, in this case the platform must be formerly protected against the fall of rubble by using plastic nets. The most little equipment within the range is named ABC 60, it is mounted on to a 3.5 ton capacity truck chassis and it has been specifically designed to allow an easy and fast access to the lower parts of bridges having small sizes. Thanks to its high versatility and performances, matched with a really low price, ABC 60 model is the ...



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BARIN - AUTOMATIC BRIDGE CONTROL ABLine - Model AB 1210 COMBI

www.barin.it Designed to allow light inspection and maintenance jobs on rail/road bridges and viaducts, the bucket-type machines belonging to the AB LINE production range are conceived to offer a high manoeuvre speed, agility and operational safety. They are installed either on to truck, as far as the road version is concerned, or on to power-operated trolleys and wagons for the rail version. AB machines guarantee a high versatility and allow the access to structures placed either overhead and underbridge. The bucket, large enough to seat 3 persons plus tools, is made up in light aluminium alloy or in fibreglass and it can reach a working height from 10 up to 22,5 m., depending on the model. A threefold levelling device allows to operate with the buckets floor perfectly horizontal, no matter the working condition is. AB line road version The horizontal outreach of the bucket underbridge goes from 5 to 22 m., depending on the model. Two control panels are fitted, one on board the bucket and the other one on chassis, connected with the rotating turret. The machines are operated hydraulically and all manoeuvres are operated by means of electric and electronic devices. The personnel on board the bucket can control the slow hydrostatic translation manoeuvre of the unit, with the consent of the driver in the trucks cab, for whatever operational condition of booms. The primary power supply source of the unit comes from the diesel engine of the vehicle, by means of power take off ...



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Nature Collection 19 - EP08 1of6 Life - Creatures of the Deep - 2009

Nature Collection 19 - EP08 1of6 Life - Creatures of the Deep - 2009 marine invertebrates are the descendants of a billion years of evolutionary history, the most abundant organisms in the sea. Sea of Cortez, the Humboldt squid packages to carry out night raids deep cooperative hunting sardines. Under the Antarctic sea ice of McMurdo Sound permanent, sea urchins, starfish and red nemertean worms were shot on a seal carcass cleanup. A jellyfish in a fried egg huntAurelia swarm of offshore pierce its prey with harpoon-like tentacles. In the shallows of South Australia, collecting hundreds of thousands of spider crabs changes annually. Many simple invertebrate nervous systems, but the giant squid have large brains and complex mating behavior. males using large color flashing strobe and strength to win a mate, while smaller competitors successfully on two tactics of fraud. A giant Pacific octopus to sacrifice their lives, tendsingle clutch of eggs for six months. As a Pycnopodia starfish feeds on her remains, it comes under attack from a king crab. Coral reefs, which rival rainforests in their diversity, are the largest living structures on Earth and are created by coral polyps. Porcelain crabs, boxer crabs and orangutan crabs are shown to illustrate the many specialised ways of catching food on a reef. Marine invertebrates have a lasting legacy on land too their shells formed the chalk and limestone deposits of Eurasia ...



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