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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.
Land restoration – Process of restoring land to a different state; Grading (earthworks) – In civil engineering, creating a profile; Spoil tip – Pile built of accumulated spoil; Subgrade – Material underneath a road or track; Terrace (earthworks) – Terrain formed by tiered platforms
The San Francisco Municipal Railway operates bus service among the city's hills. The steepest grade for bus operations is 23.1% by the 67-Bernal Heights on Alabama Street between Ripley and Esmeralda Streets. [12] Likewise, the Pittsburgh Department of Engineering and Construction recorded a grade of 37% (20°) for Canton Avenue. [13]
In the United States, Canada, the United Kingdom and most Commonwealth countries land surveying is considered to be a distinct profession. Land surveyors have their own professional associations and licensing requirements. The services of a licensed land surveyor are generally required for boundary (also known as cadastral) surveys for
In order to landscape it, the land must be reshaped to direct water for appropriate drainage. This reshaping of land is called grading . [ 4 ] Sometimes in large landscaping projects like, parks, sports fields and reserves soil may need to be improved by adding nutrients for growth of plants or turf, this process is called soil amelioration.
Land Surveying Software is a staple of contemporary land surveying. [ 13 ] Typically, much if not all of the drafting and some of the designing for plans and plats of the surveyed property is done by the surveyor, and nearly everyone working in the area of drafting today (2021) utilizes CAD software and hardware both on PC, and more and more in ...
The process of grading a soil is in accordance with either the Unified Soil Classification System or the AASHTO Soil Classification System. The steps in grading a soil are data collection, calculating coefficients of uniformity and curvature, and grading the soil based on the grading criteria given in the used soil classification system. [1]
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