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A competent person is designated by a company to ensure that the company's health and safety responsibilities are being met. [1] [2] This may be a legal obligation required of the company, to ensure that the business understands, and can act on, the health and safety risks that might occur during their particular type of work. [2]
In traditional terminology a mine engineer was a senior person responsible for all boilers and machinery and for supervision of the enginewrights. [2] In Scotland the word "engineer" referred to a surveyor. Engineman. An engineman drove a haulage engine; a winding engineman or winder drove the winding engine. Eye or pit-eye
Mining techniques can be divided into two common excavation types: surface mining and sub-surface (underground) mining. Today, surface mining is much more common, and produces, for example, 85% of minerals (excluding petroleum and natural gas) in the United States, including 98% of metallic ores. [45]
Excavations at the site of Gran Dolina, in the Atapuerca Mountains, Spain, 2008 Excavations at Faras, Sudan, 1960s Excavations at the cave of Santa Ana (Cáceres, Extremadura, Spain) In archaeology, excavation is the exposure, processing and recording of archaeological remains. [1] An excavation site or "dig" is the area being studied.
A trial pit (or test pit) is an excavation of ground in order to study or sample the composition and structure of the subsurface, usually dug during a site investigation, a soil survey or a geological survey. Trial pits are dug before the construction. They are dug to determine the geology and the water table of that site.
Excavators are heavy construction equipment primarily consisting of a boom, dipper (or stick), bucket, and cab on a rotating platform known as the "house". [ 1 ] The modern excavator's house sits atop an undercarriage with tracks or wheels , being an evolution of the steam shovel (which itself evolved into the power shovel when steam was ...
The latest officially released version of MasterFormat is the 2018 Edition, which uses the following Divisions: PROCUREMENT AND CONTRACTING REQUIREMENTS GROUP:
Section through railway track and foundation showing the sub-grade. Grading in civil engineering and landscape architectural construction is the work of ensuring a level base, or one with a specified slope, [1] for a construction work such as a foundation, the base course for a road or a railway, or landscape and garden improvements, or surface drainage.