There are several different types of locating rings.
Another type of locating ring has a tapered or extended lead-in.
Most commercially available locating rings with a tapered or "extended" lead-in will not work with molds having a high-temperature insulation sheet.
The best type of locating ring to use is the flanged or "platen-backed" type.
a specific residence along either the gravel or paved street is a matter of knowing how many streets need to be crossed, the side where the residence is located, and the approximate position of the residence in the block.
A facility owner can reduce his locating costs overall by using a joint line locating service.
'Accuracy in locating the lines is improved by using only one locating technician.
Jim Wallace, executive vice president for SM&P Utility Resources, based in Carmel, IN, said, 'One of the most difficult aspects of line locating is having poor customer plant records and/or poor plant integrity.
Samuel Lanzafame, president of Central Locating Service, LTD, located in Syracuse, NY, said congested easements present another obstacle for locators.
"When a line is mismarked due to human error, it's usually because something else was amiss." He added, "The most difficult aspect of line locating is mistakenly marking other utilities as your own.
Added Lanzafame, "Digital locating equipment with multiple frequencies that allow different types of utilities to be located from one instrument is a big improvement to the equipment."
Berry said, "I think the most noteworthy technological change in the industry is the use of computer technology and digital electronics in locating equipment."