Larry Resident Microferroequinologist (at least at my house) Everyone goes home; Safety begins with you My Opinion. Standard Disclaimers Apply. No Expiration Date Come ride the rails with me! There's one thing about humility - the moment you think you've got it, you've lost it...
"We have met the enemy and he is us." Pogo Possum "We have met the anemone... and he is Russ." Bucky Katt "Prediction is very difficult, especially if it's about the future." Niels Bohr, Nobel laureate in physics
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QUOTE: Originally posted by jeaton If the train must be clear of the main track during loading operations, a unit train loadout that is a straight siding must be a little more than twice the length of the train. On the other hand, a loop with the correct design will require just a little more than one train length of track.
QUOTE: Originally posted by edblysard Cargil studied the posibilities of installing a loop, just like the one at the Bulk Materials (coke loadout) facility, but the cost of buying or leasing long term the amount of real estate needed on the ship channel was prohibitive.
QUOTE: The elevator here was built in the 1920s, with several silos added as time passed, and the facility is now so closely crowded by other plants that a loop or ballon track just wasn't possible.
QUOTE: Cargil, not BNSF, wanted the loop track, it is faster.
QUOTE: BNSF worked a deal with Cargil...they will guarentee two 100 to 125 car unit grain trains every 8 hours, and provide the road crews at North Yard if Cargil will promise to turn at least one entire unit train every eight hours...so they will always be one loaded train on site waiting to spot in the elevator, and one empty ready to return every eight hours...PTRA will provide the logistics and the crews to pull and spot the elevator, Cargil will provide the crews and locomotive to do the actual load out.
QUOTE: When Cargil has emptied the cars, PTRA will use BNSF road power(that came in on the last load) to pull the empties, do a inital terminal air test, hang the fred, and return the empty to North Yard and the BNSF crew waiting there.
QUOTE: Oh, and as Mudchicken pointed out, you do not want the elevators "railoraders" touching your locomotive, unless you like having new dents and missing handrails, bent plows, by passed knuckles and flat spots on the wheels...
QUOTE: Originally posted by futuremodal One thing that occured to me while mulling over grain shuttle elevators, is this seeming inherent need for all new shuttle facilties to be constructed with a balloon track rather than the classic adjacent siding or spur. Look at all the new shuttle facilities, grain or coal, and every one has a balloon track.
QUOTE: Originally posted by mudchicken (6) BNSF and UP Shuttle train minimum track engineering specification do not require balloon tracks. Those specs do have requirements for minimum load/empty storage capacity lengths plus clearances around switches and roadcrossings, etc. (The last three shuttle train facilities I worked last year were not loops.)
QUOTE: Originally posted by futuremodal I can see the convience of such loop tracks if the consist has only head end power, but most if not all such shuttle trains employ distributed power, with units at both ends of the consist. For all intents and purposes, shuttle trains with power on both ends can operate in bi-directional push/pull mode, ergo there is no real need for a loop track for the sake of convience.
QUOTE: Originally posted by mudchicken (7) Distributed power out on the flatlands is FAR from a given.
QUOTE: Originally posted by futuremodal Since balloon tracks take up so much more real estate than sidings and spurs, why do we even need them? Seems that the elevator owner is the one that has to pay for the rail layout, and what seems to be happening is that brand new shuttle loader elevators are being built soley for the sake of constructing the balloon track, when there are perfectly good elevators with sidings of sufficient length trackside that could easily be converted to the rapid discharge loaders the railroads seem to covet (and at far lesser cost than a brand new facility).
QUOTE: Originally posted by futuremodal Are the railroads forcing grain and coal companies to build unnecessary brand new facilities with balloon tracks, just because some head case at corporate headquarters thinks balloon tracks are essential to railroad profitability?
QUOTE: Originally posted by futuremodal Tree: Do you or do you not agree that the railroads are forcing the issue regarding 110-car vs 26 and 52 car loading facilities? Hmmmm, that would be a "trend", wouldn't it? Which facilities are more likely to require a balloon track? The ones feeding the longer consists, or the shorter consists?
Thanks to Chris / CopCarSS for my avatar.
QUOTE: Originally posted by edblysard How about my name and employer; Ed Blysard. I work for Port Terminal Railroad Association. Houston, Texas. How about you, Dave? Got the guts? I doubt it.... Ed
QUOTE: Originally posted by edblysard It is plain you have never been in a grain elevator property, or at least a large elevator...your assumption that a single siding or spur would suffice to serve a large elevator is proof...only small mom and pop elevators have a single siding, large ones have their own yards and switch engines...a loop track for the mom and pop set up is a waste of resources, they can not load out enough cars to justify the expense...in fact, most of the "classic" elevators you referred to are going out of business because they can not load out or load a sufficient volume of cars to make it worth while for any railroad, even a short line, to waste their time on, these elevators are just to small to hold enough product to do so, even if they had the track and loader to do so. Ed (and assorted Ilk)
Randy Vos
"Ever have one of those days where you couldn't hit the ground with your hat??" - Waylon Jennings
"May the Lord take a liking to you and blow you up, real good" - SCTV
QUOTE: Originally posted by futuremodal Murphy: As usual, your contribution is sophomoric. Try for once not to let ed and the ilks pressure you into sycophancy.
QUOTE: Originally posted by futuremodal Tree: What is the age of the facility you mention? Can I assume that it is a long established facility located in mountainous territory? If so, would there even be room for a rapid discharge balloon track?
QUOTE: Originally posted by tree68 QUOTE: Originally posted by futuremodal Tree: What is the age of the facility you mention? Can I assume that it is a long established facility located in mountainous territory? If so, would there even be room for a rapid discharge balloon track? The facility was built from scratch a little better than ten years ago. While there could be sufficient level land to build a loop, this is on an established government facility - think urban. The plant is bordered on one side by a busy 4 lane road, and on the other side by a hill that while far from mountainous, would preclude building a loop track without significant fill. It was built next to an established 6 car yard used chiefly for loading/unloading flatcars circus-style, but also very capable of use to hold full and empty hoppers. There is another 8 car yard about 3/4 mile away that is also used. Here's an aerial photo. You can see the coal pile just above the center of the picture. The "L" in the black of the coal is the conveyors. The unloader is in the shed at the toe of the "L". The second yard I mentioned is at the center bottom of the picture. It looks like there is a stick of cars being unloaded, and one in the yard next to the unloader. Drop off and delivery is handled by CSX using "local" designated trains, although often with run-through power.
QUOTE: Originally posted by ironken FM, I decline to give my name......there is a reason that alot of rails do not post their real names on these forums and that is ridicule at work. I will however tell you the info that I request from you. I am a conductor on the BNSF.
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