Basics
What are the 3 basic parts of every utility system?
Transmission, distribution and service
In what stage of the A3 process do you decide on the best course of action to reduce or eliminate a hazard?
Analyze
The most common types of gas service lines in use today
steel and plastic
The ______ wire in a service is connected to a ground rod driven into the soil near the electric meter.
neutral/ground
Telephone and CATV are marked using what color?
Orange
Sometimes two or more facilities are buried in the same trench.
Joint trenching
Never repaint another technician’s marks.
True
These transport gas under very high pressure, typically are installed underground in marked easements
Gas transmission lines
An electric enclosure that houses the utility company owned device that determines the amount owed for power use.
Meterbase
Feeder cables in a telephone distribution system are either _____or_____ optic lines that are usually buried underground in duct.
copper or fiber
This type of installation is the most common method for installing underground facilities
Direct buried
What must you fill out and get signed by the contractor in order to change the scope of the ticket?
Meet sheet
These usually tap into gas mains at right angles and run in both directions.
Gas services
____ distribution systems, which are more reliable than ____ distribution systems, are usually installed in areas where continuity of service is necessary (e.g., around hospitals police stations and fire departments)
Loop and Radial
What needs to be unbonded in a telephone pedestal before locating a telephone facility?
All telephone cables in the pedestal
What type of connection method is the most accurate?
Direct Connection
Always preform a _______ degree sweep to ensure no other facilities are found
360 sweep
Where are you most likely to get a distorted signal when locating gas facilities?
Over or near a tee
A heavy-duty electric cable that caries very high voltages
Transmission line
After leaving the headend, CATV signal is then transmitted on fiber optic and _____ trunk lines
coaxial
You must check __________ and records thoroughly prior to preforming the locate.
prints
What is the Indiana dig Law code.
IN 8-1-26
A mechanical device used to reduce gas pressure and to maintain a constant outlet pressure
Regulator
Secondary mains coming from _______ enter secondary pedestals and splice boxes; electric services exit these enclosures.
transformers
A device that connects a subscriber drop to a feeder line
Subscriber tap