Texas Administrative Code › Title 43 - TRANSPORTATION › Part 1 - TEXAS DEPARTMENT OF TRANSPORTATION › Chapter 21 - RIGHT OF WAY › Subchapter O - UTILITY ACCOMMODATION FOR RAIL FACILITIES › Section 21.902 - Definitions

Current through Reg. 49, No. 28; July 12, 2024
The following words and terms, when used in this
					 subchapter, shall have the following meanings, unless the context clearly
					 indicates otherwise.
(1)
				  AREMA--American Railroad Engineering and Maintenance of Way
				  Association.
(2) ANSI--American
				  National Standards Institute.
(3)
				  Backfill--Replacement of soil around and over an underground utility
				  facility.
(4) BNG--Below natural
				  grade.
(5) Boring--Piercing a hole
				  under the surface of the ground without disturbing the earth surrounding the
				  hole.
(6) Carrier--Pipe directly
				  enclosing a transmitted liquid or gas.
(7) Casing--A pipe enclosing a
				  carrier.
(8) Coating--Material
				  applied to or wrapped around a pipe.
(9) Communication line--Fiber optic,
				  telephone cable, and similar lines, not exceeding 400 volts to ground or 750
				  volts between any two points of the circuit, the transmittal power of which
				  does not exceed 150 watts.
(10)
				  Conduit or duct--An enclosed tubular runway for protecting wires or
				  cables.
(11) Cover--The depth of
				  material placed over a utility, measured from top of utility casing or carrier
				  pipe to the natural ground line or construction line above the
				  utility.
(12) Department--The Texas
				  Department of Transportation.
(13)
				  District engineer--The chief administrative officer in charge of a district, or
				  his or her designee.
(14) Electric
				  supply--Electric light, power supply, and trolley lines, regardless of voltage
				  used for transmitting a supply of electrical energy.
(15) Encasement--Structural element
				  surrounding a pipe or cable.
(16)
				  Flexible casing pipe--A plastic, fiberglass, or metallic pipe, including copper
				  or aluminum pipe, having a large ratio of diameter to wall thickness that can
				  be deformed without undue stress.
(17) Grounded--Connected to the earth or to
				  some extended conducting body that intentionally or accidentally is connected
				  with the earth.
(18) Grout--A
				  cement mortar or slurry of fine sand or clay as conditions govern.
(19) Jack-and-bore--The installation method
				  whereby the leading edge of the jacked pipe is well ahead of the cutting face
				  of the auger bit and the auger removes waste from inside the pipe as it is
				  being jacked.
(20) Jacking--The
				  installation of small pipes by the use of hydraulic jacks or rams to push the
				  pipe under the traveled surface of a road, railroad roadbed, or other
				  facility.
(21) Joint use
				  agreement--A use and occupancy agreement that describes the obligations,
				  responsibilities, rights, and privileges vested in the department and retained
				  by the utility, and used for situations in which the utility has a compensable
				  interest in the land occupied by its facilities and the land is to be jointly
				  occupied and used for railroad and utility purposes.
(22) Manhole--An opening to an underground
				  utility system that workers or others may enter for the purpose of maintaining,
				  inspecting, or making installations.
(23) Pipe--A tubular product made as a
				  production item for sale, except for cylinders formed from plate in the course
				  of fabrication of auxiliary equipment.
(24) Pressure--Relative internal pressure in
				  PSI (pounds per square inch) gauge.
(25) Right of way--A general term denoting
				  land or a property interest in the land, usually in a strip, used for railroad
				  transportation purposes.
(26)
				  Seal--A material placed between the carrier pipe and casing to prevent the
				  intrusion of water, where ends of casing are below the ground
				  surface.
(27) Shoulder--That
				  portion of the roadbed outside the ballast.
(28) Trenching--Installing in a narrow
				  excavation.
(29)
				  Tunneling--Excavating the earth ahead of a large diameter pipe by one or more
				  of the following processes.
(A) The earth
				  ahead of the pipe is excavated using hand tools while the pipe is pushed
				  through the holes by means of jacks, rams, or other mechanical
				  devices.
(B) The excavation is
				  carried on simultaneously with the installation of tunnel liner
				  plates.
(C) The tunnel liner plates
				  are installed immediately behind the excavation as it progresses and are
				  assembled completely away from the inside.