Page 98 - CCGA Best Practices Version English

– Geographically Referenced: a point on or near the Earth's surface that
is defined horizontally by latitude and longitude or a defined coordinate
system.
– Global Positioning System (GPS) and Global Navigation Satellite
System (GNSS): Systems of satellites, ground stations, and receivers used
to determine geographically referenced positions on the earth.

– Grade (noun): The surface elevation.
– Grade (verb): The act of changing the surface elevation.

– Grounding Systems: A system of one or more ground conductors or
ground rods providing a low resistance path to earth ground potential
through a mechanical connection to structures, conductors and equipment.

– Infrastructure Health and Safety Association (IHSA)

– Joint Trench: A trench containing two or more underground
infrastructures that are buried together by design or agreement.

– Land Base: Electronic mapping data that depicts features of the surface
of the earth and is tied to real-world geographic coordinates, such as
latitude and longitude.

– Latitude (Lat): Distance measured north or south of the equator.
– Limite of locate: The North, South, East and West boundaries or other
coordinates of the located area.
– Locate (verb): The process of an underground plant owner or their agent
providing information to an excavator which enables them to determine the
location of a facility.
– Locate (noun): The provision of location information by an facility owner
(or their agent) in the form of ground surface markings and/or facility
location documentation, such as drawings, mapping, numeric descriptions
or other written documentation.

– Locate Form: Accompanying documentation for a locate which is
completed by the party providing the locate. A locate form may or may not
contain the specific facility location details and/or drawings, but should in
all cases contain administrative aspects of the locate such as when, when,
why completed, and who completed it.

– Locate Request: A communication between an excavator and the owner
or their agent (usually the notification service) in which a request for
locating underground facilities is processed.
– Locate Ticket : A locate request document created by the notification
service or an owner marked with a unique identification number.
– Locator: A person whose job is to locate underground infrastructure.

– Longitude (Long): Distance measured east or west from the prime
meridian reference (Greenwich).

Canadian Common Ground Alliance
Best Practices Version 3.0 – October 2018
87