utility trench

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• Trench shield — Trench shields are steel or aluminum structures used for protecting utility workers while performing their duties within a trench. They are customarily constructed with sidewalls of varying thicknesses held apart by steel or aluminum spreaders.… …   Wikipedia

• Trench warfare — is a form of warfare where both combatants have fortified positions and fighting lines are static. Trench warfare arose when a revolution in firepower was not matched by similar advances in mobility. The result was a slow and grueling form of… …   Wikipedia

• Trench knife — Trench knives are either purpose made weapons, or are made from cut down (shortened) bayonets or swords, and intended for close quarter fighting, the design originating in the trench warfare of the First World War. They were particularly useful… …   Wikipedia

• Utility knife — Boxcutter and box cutter redirect here. For the electronic music artist, see Boxcutter (musician). For season four premiere of Breaking Bad, see Box Cutter (Breaking Bad). A utility knife is a knife used for general or utility purposes.[1] The… …   Wikipedia

• Trench drain — A trench drain (also channel drain, line drain, slot drain, linear drain or strip drain) is a specific type of floor drain containing a dominant through or channel shaped body. It is used for the rapid evacuation of surface water or for the… …   Wikipedia

• Common utility duct — A common utility duct, sometimes called a common utility conduit, is any structure – above, on, or below ground – that carries more than two types of public utility lines. However, the phrase often refers specifically to underground utility… …   Wikipedia

• Mark I trench knife — On the left a Mark I knife used to dig up an anti personnel mine. The mine is an S mine The Mark I trench knife was an American trench knife designed by officers of the American Expeditionary Force (AEF) for use in World War I. It had a… …   Wikipedia

• Oceanic trench — Oceanic crust is formed at an oceanic ridge, while the lithosphere is subducted back into the asthenosphere at trenches. The oceanic trenches are hemispheric scale long but narrow topographic depressions of the sea floor. They are also the… …   Wikipedia

• National Utility Contractors Association — (NUCA) is a trade organization representing the underground utility industry in the USA. Founded in 1964, NUCA is the USA s largest trade association for the underground utility construction industry[1]. The association represents contractors,… …   Wikipedia

• Construction estimating software — is computer software designed for contractors to estimate construction costs for a specific project. An estimator will typically use estimating software to estimate their bid price for a project, which will ultimately become part of a resulting… …   Wikipedia

• Spring Valley, Washington, D.C. — Spring Valley is an affluent neighborhood in northwest Washington, D.C., known for its large homes and tree lined streets.The neighborhood houses the main campus of American University at 4400 Massachusetts Avenue. Nebraska Avenue and Loughboro… …   Wikipedia