Keys for Success
ESC
What is cancel?
Electric utilities are marked/represented in this color.
What is red (3)?
Often refereed to as locating, this quality level is know for being the most precise.
What is QL-A?
Vertical distance from the top of pipe/encasement/duct/cable to grade.
What is depth of cover?
This site is used to gather initial utility data for a project.
What is Texas 811 or Geo Call?
Q-2
What is "Place line"?
Gas lines are marked in this color.
What is yellow (4)?
Successful implementation of this kind of engineering benefits project owners and utility owners alike.
What is Subsurface Utility Engineering (SUE)?
This begins or ends at a maximum of 5' from the ROW.
What is the casing?
What is RRC or Rail Road Commission?
9-1
What is measure distance?
This color is used to designate communications lines.
What is orange (6)?
Quality level used to verify the existence and horizontal position of utility.
What is QL-B?
Poles larger than this diameter cannot play in the TxDOT ROW.
What is 36"?
Water and sanitary sewer owners that may not be listed by Texas811 might be fount here.
What is Public Utility Commission of Texas or PUC?
3-9
What is copy parallel?
This color demarks potable water.
What is Blue (1)?
ASCE standard guideline for investigating and documenting existing utilities.
What is the ASCE 38-22?
9 Feet
What is the minimum separation distance from a potable waterline to a wastewater main or lateral manhole or cleanout?
This options is selected when filling out "Nature of Work" when to only gather utilities/utility owner information via 811.
What is "Survey and Design"?
4-6-1
What is rotate?
This color is used to identify reclaimed or non-potable water.
What is purple (5)?
ASCE's "Investigating and Documenting Existing Utilities" section is tasked with managing risk to this civil engineering discipline?
What is utility engineering and coordination?
This equation is used to determine maximum allowable operating pressure and wall thickness.
What is Barlow's equations/formula?
What are RRC and PUC?