South Carolina Code of Regulations › Chapter 38 - DEPARTMENT OF PUBLIC SAFETY › Article 5 - STATE TRANSPORT POLICE REGULATIONS › Subarticle 1 - UNMANUFACTURED FOREST PRODUCTS TRUCKING REGULATIONS › Part 38-393 - PARTS AND ACCESSORIES NECESSARY FOR SAFE OPERATION › Subpart A - GENERAL › Section 38-393.5 - Definitions

Current through Register Vol. 48, No. 6, June 28, 2024
As used in 38-382, the following words and terms are
						construed to mean:
Aggregate working load limit. The summation of the
						working load limits or restraining capacity of all devices used to secure an
						article of cargo on a vehicle.
Anchor Point. Part of the structure, fitting or
						attachment on a vehicle or articles of cargo to which a tiedown is
						attached.
Antilock Brake System or ABS means a portion of a service
						brake system that automatically controls the degree rotational wheel slip
						during braking by:
Article of cargo. A unit of cargo, other than a liquid,
						gas, or aggregate that lacks physical structure (e.g., grain, gravel, etc.
						including articles grouped together so that they can be handled as a single
						unit or unitized by wrapping, strapping, banding or edge protection
						device(s).
Blocking. A structure, device or other substantial
						article placed against or around an article of cargo to prevent horizontal
						movement of the article of cargo.
Bracing. A structure, device, or another substantial
						article placed against an article of cargo to prevent it from tipping that may
						also prevent it from shifting.
Brake. An energy conversion mechanism used to stop, or
						hold a vehicle stationary.
Brake Tubing/Hose. Metallic brake tubing, nonmetallic
						brake tubing and brake hose are conduits or lines used in a brake system to
						transmit or contain the medium (fluid or vacuum) used to apply the motor
						vehicle's brakes.
Chassis. The load supporting frame in a truck or trailer,
						exclusive of any appurtenances which might be added to accommodate
						cargo.
Clearance Lamp. A lamp used on the front and the rear of
						a motor vehicle to indicate its overall width and height.
Converter Dolly. A motor vehicle consisting of a chassis
						equipped with one or more axles, a fifth wheel and/or equivalent mechanism, and
						drawbar, the attachment of which converts a semitrailer to a full
						trailer.
Curb Weight. The weight of a motor vehicle with standard
						equipment, maximum capacity of fuel, oil, and coolant; and, if so equipped, air
						conditioning and additional weight of optional engine. Curb weight does not
						include the driver.
Dunnage. All loose materials used to support and protect
						cargo.
Emergency Brake System. A mechanism designed to stop a
						vehicle after a single failure occurs in the service brake system of a part
						designed to contain compressed air or brake fluid or vacuum (except failure of
						a common valve, manifold brake fluid housing or brake chamber housing).
Fifth Wheel. A device mounted on a truck tractor or
						similar towing vehicle (e.g., converter dolly) which interfaces with and
						couples to the upper coupler assembly of a semitrailer.
Frame vehicle. A vehicle with skeletal structure fitted
						with one or more bunk units for transporting logs. A bunk unit consists of
						U-shaped front and rear bunks that together cradle logs. The bunks are welded,
						gusseted or otherwise firmly fastened to the vehicle's main beams, and are an
						integral part of the vehicle.
Fuel Tank Fitting. Any removable device affixed to an
						opening in the fuel tank with the exception of the filler cap.
Grommet. A device that serves as a support and protection
						to that which passes through it.
Hazard Warning Signal. Lamps that flash simultaneously to
						the front and rear, on both the right and left sides of a commercial motor
						vehicle, to indicate to an approaching driver the presence of a vehicular
						hazard.
Head Lamps. Lamps used to provide general illumination
						ahead of a motor vehicle.
Heater. Any device or assembly of devices or appliances
						used to heat the interior of any motor vehicle. This includes a catalytic
						heater which must meet the requirements of Section 177.834(1) of the Federal
						Motor Carrier Safety Administration's hazardous materials regulations when
						flammable liquid or gas is transported.
Heavy Hauler Trailer. A trailer with one or more of the
						following characteristics:
(1) Its brake lines are designed to adapt to separation
						or extension of the vehicle frame; or
(2) Its body consists only of a platform whose primary
						cargo carrying surface is not more than 40 inches above the ground in an
						unloaded condition, except that it may include sides that are designed to be
						easily removable and a permanent "front end structure" as that term is used in
						Regulation Regulation
						38-393.106.
Identification Lamps. Lamps used to identify certain
						types of commercial motor vehicles.
Lamp. A device used to produce artificial light.
License Plate Lamp. A lamp used to illuminate the license
						plate on the rear of a motor vehicle.
Longwood. All logs that are not shortwood, i.e., are over
						4.9 m (16 feet) long. Such logs are usually described as long logs or
						treelength.
Low chassis vehicle. (1) A trailer or semitrailer
						manufactured on or after January 26, 1998, having a chassis which extends
						behind the rearmost point of the rearmost tires and which has a lower rear
						surface that meets the guard width, height, and rear surface requirements of
						the National Highway Traffic Safety Administration's Standard Section 571.224
						in effect on the date of manufacture, or a subsequent edition. (2) A motor
						vehicle, not described by paragraph (1) of this definition, having a chassis
						which extends behind the rearmost point of the rearmost tires and which has a
						lower rear surface that meets the guard configuration requirements of State
						Regulation 38-39386(b)(1).
Parking Brake System. A brake system used to hold a
						vehicle stationary.
Play. Any free movement of components.
Pulpwood Trailer. A trailer or semitrailer that is
						designed exclusively for harvesting logs or pulpwood and constructed with a
						skeletal frame with no means for attachment of a solid bed, body or
						container.
Rail Vehicle. A vehicle whose skeletal structure is
						fitted with stakes at the front and rear to contain logs loaded
						crosswise.
Rear Extremity. The rearmost point on a vehicle when the
						vehicle's cargo doors, tailgate or other permanent structure are positioned as
						they normally are when the vehicle is being driven. Non structural protrusions
						such as tail lights, hinges, and latches are deleted from the determination of
						the rearmost point.
Reflective Material. A material conforming to Federal
						Specification L S 300, "Sheeting and Tape, Reflective; Non exposed Lens,
						Adhesive Backing," (September 7, 1965) meeting the performance standard in
						either Table 1 or Table 1A of SAE Standard J594f, "Reflex Reflectors" (January,
						1977).
Reflex Reflector. A device which is used on a vehicle to
						give an indication to an approaching driver by reflected lighted from the lamps
						on the approaching vehicle.
Saddle mount. A device, designed and constructed as to be
						readily demountable, used in driveaway towaway operations to perform the
						functions of a conventional fifth wheel:
(1) Upper half. Upper half of a "saddle mount" means that
						part of the device which is securely attached to the towed vehicle and
						maintains a fixed position relative thereto, but does not include the "king
						pin;"
(2) Lower half. Lower half of a "saddle mount" means that
						part of the device which is securely attached to the towing vehicle and
						maintains a fixed position relative thereto but does not include the "king
						pin;" and
(3) King pin. King pin means that device which is used to
						connect the "upper half" to the "lower half" in such manner as to permit
						relative movement in a horizontal plane between the towed and towing vehicles.
Service Brake System. A primary brake system used for
						slowing and stopping a vehicle.
Shortwood. All logs typically up to 4.9 m (16 feet) long.
						Such logs are often described as cut-up logs, cut-to-length logs, bolts or
						pulpwood. Shortwood may be loaded lengthwise or crosswise, though that
						crosswise is usually no more than 2.6 m (102 inches) long.
Side Extremities. The outermost point on the sides of the
						vehicle. Nonstructural protrusions such as tail lights, hinges, and latches are
						excluded from the determination of the outermost point.
Side Marker Lamp (Intermediate). A lamp shown to the side
						of a trailer to indicate the approximate middle of a trailer 30 feet or more in
						length.
Side Marker Lamps. Lamps used on each side of a trailer
						to indicate its overall length.
Steering Wheel Lash. The condition in which the steering
						wheel may be turned through some part of a revolution without associated
						movement of the front wheels.
Stop Lamps. Lamps shown to the rear of a motor vehicle to
						indicate that the service brake system is engaged.
Tail Lamps. Lamps used to designate the rear of a motor
						vehicle.
Tiedown. A combination of securing devices which forms an
						assembly that attaches articles of cargo to, or restrains articles of cargo on,
						a vehicle or trailer, and is attached to anchor point(s).
Tractor-pole trailer. A combination vehicle that carries
						logs lengthwise so that they form the body of the vehicle. The logs are
						supported by a bunk located on the rear of the tractor, and another bunk on the
						skeletal trailer. The tractor bunk may rotate about a vertical axis, and the
						trailer may have a fixed, scoping, or cabled reach, or other mechanical
						freedom, to allow it to turn.
Turn Signals. Lamps used to indicate a change in
						direction by emitting a flashing light on the side of a motor vehicle towards
						which a turn will be made.
Upper Coupler Assembly. A structure consisting of an
						upper coupler plate, king pin and supporting framework which interfaces with
						and couples to a fifth wheel.
Upper Coupler Plate. A plate structure through which the
						king pin neck and collar extend. The bottom surface of the plate contacts the
						fifth wheel when coupled.
Working load limit (WLL). The maximum load that may be
						applied to a component of a cargo securement system during normal service,
						usually assigned by the manufacturer of the component.