Trenchless definition

Trenchless means installed without breaking the ground or the pavement surface, such as by jacking, boring, tunneling or mechanical compaction.
Trenchless means installed without breaking the ground or pavement surface, except at the entrance and exit point, such as by jacking, boring, horizontal direction- al drilling, coring, plowing, pipe ramming, pipe bursting, or micro-tunneling.
Trenchless means installing pipe inside a hole that has been made between shafts by coring, boring, horizontal directional drilling, pipe ramming, jacking, tunnelling and extraction of an existing pipe or similar methods with minimal excavation and surface disruption;

Examples of Trenchless in a sentence

  • Trenchless technologies can be further classified as guided methods and non-guided methods.

  • Trenchless crossings: For most of the route, the pipeline would be installed using an open cut technique.

  • Trenchless installation (if used) for “Long Side” meter services shall be included in the cost of “Long Side” meter services and will NOT be paid for separately.

  • Trenchless installation will be the preferred option, but if this is not feasible, any excavation will be carried out by hand in accordance with the guidelines set out in NJUG Volume 4 - Guidelines for the Planning, Installation and Maintenance of Utility Apparatus in Proximity to Trees.

  • If depth at property line is less than 36” - STOP! Trenchless methods are NOT allowed.

  • Trenchless technology is used where utilities being crossed are positively identified to confirm location.For installations using any other type of drilling or augering equipment in the vicinity of gas facilities, GDS must be contacted.In all cases, positive identification holes are required to visually verify the drill head’s location (including depth) relative to the measurement of the tracking equipment.

  • Trenchless technologies such as grouting and the installation of structural liners will be predominantly used for the repair and rehabilitation activities.

  • All pits associated with Trenchless Installation Methods shall be located as far from the ETW as possible, preferably outside the Clear Zone.

  • The Long-Term Flexural Modulus to be used in design shall be verified by independent testing (such as the Trenchless Technology Center at Louisiana Tech University).

  • Trenchless crossings of the Raft River (KP 713.4), Clearwater River (KP 721.4), Mann Creek (KP 730.6), Thompson River (KP 842.9), Nicola River (KP 924.5) and Coldwater River (KP 954.4 and KP 966.9) will reduce clearing and disturbance to riparian habitat preferred by western screech-owl.


More Definitions of Trenchless

Trenchless means a crossing installation method which does not disturb the bed, bank or boundary of any watercourse or water body.

Related to Trenchless

  • Trench means 1. below-grade soil treatment area consisting of a shallow excavation with a width of 3 feet or less containing distribution media and one lateral; and 2. excavation for placement of piping or installation of electrical wire or conduit.

  • Substrate means the surface onto which a coating is applied or into which a coating is impregnated.

  • Stack means any point in a source designed to emit solids, liquids, or gases into the air, including a pipe or duct but not including flares.

  • Sensor means any measurement device that is not part of the vehicle itself but installed to determine parameters other than the concentration of gaseous and particle pollutants and the exhaust mass flow.

  • Anaerobic digester means a liquid manure storage area that is constructed with the intent to capture and combust gas emissions resulting from the digestion of waste by microbes in anaerobic conditions. An anaerobic digester is a LMSA and is required to comply with all requirements applicable to LMSAs. Requirements specific to anaerobic digesters will be noted when applicable.

  • Dark pattern means a user interface designed or manipulated with the substantial effect of subverting or impairing user autonomy, decision- making, or choice and includes any practice the Federal Trade Commission refers to as a “dark pattern.”

  • Fluoroscopic imaging assembly means a subsystem in which X-ray photons produce a visual image. It includes the image receptor(s) such as the image intensifier and spot-film device, electrical interlocks, if any, and structural material providing linkage between the image receptor and diagnostic source assembly.

  • Retrenchment means the termination by the employer of the service of a worker for any reason whatsoever, otherwise than as a punishment inflicted by way of disciplinary action, but does not include—

  • borehole means a hole sunk into the earth for the purpose of locating, abstracting or using subterranean water and includes a spring;

  • Membrane filtration means a pressure or vacuum driven separation process in which particulate matter larger than one micrometer is rejected by an engineered barrier, primarily through a size exclusion mechanism, and which has a measurable removal efficiency of a target organism that can be verified through the application of a direct integrity test. This definition includes the common membrane technologies of microfiltration, ultrafiltration, nanofiltration, and reverse osmosis.

  • Flocculation means a process to enhance agglomeration or collection of smaller floc particles into larger, more easily settleable particles through gentle stirring by hydraulic or mechanical means.

  • Plasma arc incinerator means any enclosed device using a high intensity electrical discharge or arc as a source of heat followed by an afterburner using controlled flame combustion and which is not listed as an industrial furnace.

  • Disinfectant means any oxidant, including but not limited to chlorine, chlorine dioxide, chloramines, and ozone added to water in any part of the treatment or distribution process, that is intended to kill or inactivate pathogenic microorganisms.

  • Gravel means stone screened from river sand or quarried and washed free of clay and clay coatings. Concrete aggregate designated as Class II by the department of transportation is acceptable.

  • Cannabinoid extract means a substance obtained by separating cannabinoids from marijuana by:

  • Diesel means a distillate oil which can be used as fuel for the operation of a compression ignition engine and which has an approximate boiling temperature of between 150 °C to 400 °C;

  • Polystyrene foam adhesive means an aerosol adhesive designed to bond polystyrene foam to substrates.

  • Filter means material placed in the useful beam to preferentially absorb selected radiations.

  • Reactor means a vat or vessel, which may be jacketed to permit temperature control, designed to contain chemical reactions.

  • Fabrication means making up data or results and recording or reporting them.

  • PAD means a Preauthorized Debit.

  • Infiltration means water other than wastewater that enters a sewer system (including sewer system and foundation drains) from the ground through such means as defective pipes, pipe joints, connections, or manholes. Infiltration does not include, and is distinguished from, inflow.

  • Reactivation means the process whereby an inactive licensee obtains a current license.

  • Strain means the classification of marijuana or cannabis plants in either pure sativa, indica, afghanica, ruderalis, or hybrid varieties.

  • Polystyrene foam means blown polystyrene and expanded and

  • Cannabinoid means any of the chemical compounds that are the active constituents of marijuana.