Course Details
Course Details
Course ID
9527
Course Name
Fundamentals of Underground Utility Locating Overview
Contact Hours
1.5
Approved Industry
Drinking Water and Wastewater
Partner Name
Eastcom Associates Inc.
Primary Contact
James Flint
training@eastcomassoc.com
9087227774 Ext.
Website
Description
This seminar will give an overview of electromagnetic locating basics as well as other technologies available for locating underground facilities. Discussion will include general understanding of frequencies, grounding techniques and practices to positively identify target lines. Regardless of what manufacturer used, this program will provide you with a better understanding of your equipment and give you tips for more accurate locates.
Course Level
Basic/Precertification
Course Content
History
• Why locate
• Technology origins
• Latest technology developments
Locate Theory
• Distortion
• 6 step guide
Passive locating
• Power (60Hz)
• Radio (RF)
• CPS (Cathodic Protection Signal, 120Hz)
Active locating
• Transmitter Use
o Conductive
? Importance of where and what to ground to.
o Inductive Clamp
? Utility must be grounded at both ends
o Inductive Antenna
? Air coupling
o Frequency choices
? Conductive
• 512Hz (Very Low)
• 8Khz (Low)
? Inductive
• 33Khz (High)
• 65K – 200Khz (Very High)
? Power Output
• Distance and Depth
• Receiver Use
o Gain Control
? Manual
? Automatic
o Signal Strength
o Peak / Null Antennas
? How to recognize Distortion
o Depth determination methods
o Current Measurement and Current Direction
? How to recognize bleed off
Other locate tools
• Metal detectors
• Acoustic options
• Marker balls
• Ground penetrating radar
Target Audience
Target Audience: technicians, engineers, supervisors, foremen
involved in locating underground utilities will benefit by learning
how locators work, and why they behave in certain ways in real
world applications.
Training Format
Classroom