Trenchless definition

Trenchless means installed without breaking the ground or the pavement surface, such as by jacking, boring, tunneling or mechanical compaction.
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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.
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Trenchless means a crossing installation method which does not disturb the bed, bank or boundary of any watercourse or water body.
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Examples of Trenchless in a sentence

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

  • Placement and Compaction; Trenchless or Partial Trench Condition: All pipes, culverts, drains and conduits placed with any portion of the pipe above existing ground must also comply with Subsections (a),(b) (c) and (d) above for the portion of the pipe within a trench and that portion of the pipe not constructed in a trench.

  • C Trenchless Pipe Installation The Contractor shall inspect and verify soil conditions as necessary in order to determine the type of construction to employ.

  • All costs associated with Permanent Surface Restorations as described herein are incidental to the Work items for the Work activity being carried out, including but not limited to Trenchless Sewer Construction, installation of Manholes, installation of Catch Basin Leads, Connecting of Catch Basin Lead, Catch Basin, Catch Pits or Manholes, Sewer Service, and Watermain, and other works shown on the Drawings.

  • ESG Investing: ESG Ratings.” See time series excel sheet on the change of ESG scores for companies over time, available on MSCI client portal and upon request.

  • In the case cables laid in underground ducts (Case 3) and cables laid in Trenchless piping (Case 4), spare HDPE pipes, one for each circuit, shall be provided.

  • Generally, the encryption mechanism of a security system requires a large number of calculation for the keys exchanged before its data communication begins.

  • When to Consider Trenchless ConstructionThere are many situations where trenchless construction is preferable to open cut construction.

  • Trenchless method will have minimal impacts, and all standard construction practices and safety precautions will be undertaken to further reduce the impacts.

  • Installation of Plastic Service Lines by Trenchless Excavation[49 CFR 192.376]A.


More Definitions of Trenchless

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;
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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.

  • 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.

  • 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;

  • 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.

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

  • 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

  • Duct is a single enclosed path to house facilities to provide Telecommunications Services.

  • explosive actuated fastening device means a tool that is activated by an explosive charge and that is used for driving bolts, nails and similar objects for the purpose of providing fixing;