The number 5 that you reference is a recommendation of most of the insurance companies, not a requirement of the NFPA. Some AHJ's might also have a similar requirement but I don't know of any off hand.
The intent is to limit the scope of an impairment should there be a break in the underground...
IRStuff,
Thanks for the input. Do you know, or could you direct me to someone who could suggest what type of camera would be best suited for this type of application? Detecting a heat source, perhaps no bigger than the size of a dime, buried deep inside of a 40 cu. yd. garbage truck could be...
I work as a consultant in the property insurance field. Some of my clients are involved in the refuse disposal industry. One problem the industry is having is the issue of "hot loads", a trash hauler that carries a load of solid waste with the beginnings of a deep-seated fire located deep...
