By chance do you work with the 3 in the 5 boroughs Bay Crane, NY Crane/JF Lomma and or Cranes Inc ? I did a lot of work with NY crane 10 years ago, used to do quite a bit of work with hydraulic cranes placed on the streets, worked with an engineer to do all the filings to pull necessary permits, City of New York preferred tower cranes as they are within the perimeter or building footprint, making it a real pain to get permits, been through that many times.
I was aware that this equipment was subject to controlled inspections per DOB and or DOT, the engineer I worked with was involved in many areas with these outfits as I recall.
I remember the situation in '08 with the rigging failure on the tower crane that when they were climbing it off hours, the rigging failed and the ring fell, severing all the tiebacks, and it went over, that was seemingly negligence, nylon straps etc. 2nd one not long after that was a Favco tower crane that was recently overhauled, defective or inferior work, both NY Crane jobs, that one failed structurally, believe it was something close to or under the house. I really don't know any facts, just what was reported, I tried to keep up on industry things. I felt bad for the engineer and his company that was involved with the permit filings, he got dragged into huge mess. Theres a lot to these things, and its nothing to fool with, I've done a lot of erecting and have loaded a lot of materials into new building jobs off both tower, hydraulic and crawler cranes, what you guys do to insure they are safe is paramount, when you realize what you are working under and around.
I was a few blocks away in '99 when a crawler collapsed on 6th avenue. It was a Turner job, 30 story reinforced concrete, residential structure. It was a Manitowoc 4100 or 777, one of those or similar size, on a derrick and it was at the end of its job, superstructure was done. Hurricane Floyd if I recall correctly, had just passed, it had the tower/mast and luffing jib configuration, quite a bit of "stick" out, but was folded up and lashed down for the storm. When the operator powered it up, they had not removed the lashing, so it was still secured and he literally collapsed it onto itself, the mast and jib went over backwards, a local #608 carpenter got caught under it, apparently pushing a pedestrian out of the way, he lost his life to save another. I ran over and saw this entangled steel and knew someone was under it, what a mess, its a sound you never forget. It seems there were always accidents, DOB and DOT had their hands full with dealing with it, can't say I could agree or not, about the stringent requirements getting stricter, NY Crane had older units on the job I used lots of them, Bay and Cranes Inc always had late model units, seemed they ran almost new equipment all the time, huge expense to own that kind of equipment.
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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