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An Ordnance Survey cut mark in the UK Occasionally a non-vertical face, and a slightly different mark, was used. The term benchmark, bench mark, or survey benchmark originates from the chiseled horizontal marks that surveyors made in stone structures, into which an angle iron could be placed to form a "bench" for a leveling rod, thus ensuring that a leveling rod could be accurately ...
B.S is generally taken on the point of known reduced level as on the benchmark or a change point. [1] Benchmark (surveying) – fixed reference point of known elevation with respect to which RL of other points is determined. Benchmarks can be arbitrary or permanent, the former is used for calculation of reduced levels for small survey works and ...
National survey departments of each country determine RLs of significantly important locations or points. These points are called permanent benchmarks and this survey process is known as Great Trigonometrical Surveying (GTS). The permanent benchmarks act as reference points for determining RLs of other locations in a particular country. [4] [5 ...
Combo Benchmark Compare to Compete Online Benchmarking web-based database This web-based database is suitable for groups of competitors to benchmark individual performance against group performance. All process and performance benchmarks can be processed in this software, providing interesting analysis tools and complete benchmarking report ...
In project management benchmarking can also support the selection, planning and delivery of projects. [ 2 ] [ 3 ] In the process of best practice benchmarking, management identifies the best firms in their industry, or in another industry where similar processes exist, and compares the results and processes of those studied (the "targets") to ...
Survey markers, also called survey marks, survey monuments, or geodetic marks, are objects placed to mark key survey points on the Earth's surface. They are used in geodetic and land surveying . A benchmark is a type of survey marker that indicates elevation ( vertical position ).
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Construction surveying and engineering surveying: topographic, layout, and as-built surveys associated with engineering design. They often need geodetic computations beyond normal civil engineering practice. Deformation survey: a survey to determine if a structure or object is changing shape or moving. First the positions of points on an object ...