Heck, Noisy, that's easy. Those are the ones that are going to fail, and they're trying to tell you to replace them now! Everybody knows that! Kinda like "Green Side Up" when you're putting down turf, or "The nails that come out of the nail pouch pointed the wrong way are for the other side of whatever you are nailing together"! John C.
When I was young, I was Liberal. As I aged and wised up, I became Conservative. Now that I'm old, I have settled on Curmudgeon.
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The service loop is where some really stupid mistakes happen. Comical stuff. Last summer we were doing a cabling job with about 150 drops and each cable was labeled at the service loop with a number (at the very end of the cable). We left for a 30 minute lunch. Another tech showed up from my company and cut off all the numbers.
Worse - pulled a 12-strand MM fiber that was preterminated on both ends. Before I could say 'stop' the tech working with me cut off the ends, all beautifully terminated. I hung those off my rear view mirror in my van for a long time.
Yet another time, a contractor came in and cut off all my cabling above the ceiling tile because it looked messy and they wanted to impress the new owners.
Originally posted by Noisycow: Yet another time, a contractor came in and cut off all my cabling above the ceiling tile because it looked messy and they wanted to impress the new owners.
We charged the customer for all new cable and labor and left it up to them to get reimbursed by the other contractor. They paid, don't know if they were ever reimbursed. Documented everything.
Yes, you have to do it. Then when someone destroys your work there is proof that it was done correctly. Our contracts also say that the customer is responsible for replacement of properly installed cabling that is intentionally or negligently cut/removed by someone else. Not sure it would ever hold up, but worth a try.
The real danger is when another contractor is to demo out the old cable and our work gets started before they complete their cutting and yanking.
I try when possible to use a different color cable than is currently in the building if demo is going to be happening after new cable runs begin. If not feesible I make sure what brand cable is being used, and get a different one for the new, so the demo crew can sign off on being informed which color, and or brand the new cable is before they come on site. I ask the demo scope include not removing any of the brand, or color cable I am installing. If I am doing the demo, I use the same method.
I can not recommend any technology platform, only technicians!
I still think my best idea is to have all incoming cables go through a cable path that circles the MDF to the other side thus creating a cable path service loop which can be reterminated skipping the loop around if extra cable is required. This horizontal service loop eliminates the need to create the vertical service loop which is always ugly even at its best practice to implement. Only a trained eye is going to even notice there is a service loop because it is horizontal.
I can not recommend any technology platform, only technicians!