Things Important to Know About Surveying
is the technique that involves a scientific method to determine the condition of
land, property or a building. It calculates the dimension and position of three
points in a land and measures the angles between them. Surveying is a very important
task when it comes to planning a layout of a building or a project. The three dimensional
points that are discussed above are used to regulate land maps and boundaries to
construct a new property specially for the Government premises. Land surveyors refer
to those professionals who are experts in land surveying methods.
any of the construction process, the surveyors are brought to work with the engineers,
architects, planners and other builders. For a construction purpose, different sort
of surveyors are required, for instance, land surveyors are held responsible to
have a detailed check on the land’s topography and other physical features of
the area. A building surveyor is required to understand the construction of the
building, whether it is safe for the residents to reside without facing any health
hazard. A quantity surveyor is kept in order to a stern check over the cost of
the materials and other construction units.
Types of survey
survey- Also known as work as executed survey, this survey is used either during
the progress of a project or after the completion. Improvements that can be done
in the buildings and what more structure is needed to be included is considered
in the as-built survey.
survey- A control survey is used to establish future elements for surveying like
implementing GIS, mapping, GPS and others.
survey- The most common of all, the construction survey checks for the infrastructure,
existing structures and buildings, elevator system, manholes and sewage system present
survey- This survey involves a systematic measurement of an object that is subjected
to change of shape and dimension due to the application of force. It provides a
mathematical calculation and predicts what can this lead to in the near future.
It indicates an alarm for any sort of movement and is practically applied over civil
and mechanical engineering, soil and rock stability, land topography and many more.
control survey- This is generally used in the offshore industry that checks for
the leak in pipes or damaged occur due to heat and pressure in the oil and gas industry.
survey- The hydrographic survey is directed towards the marine navigation, construction,
drilling, offshore exploration and other services.
survey- Mining survey involves digging of the mine shafts and caves and measuring
the volume of the rocks and calculating the materials extracted.
survey- It focuses on a piece of land and measures the elevation of the slope, contour
lines, soil and other geographical feature.
survey- This sort of survey is used to outline a boundary of a property or building
and examines encroachment, trespasses and other restrictions of a building.
About the surveying profession
varieties of tools are required like a total station theodolite, gyrotheodolite,
robotic total station, retroreflectors, scanners, GPS receivers, GIS, radio, tablets,
surveying software and a lot more equipment required. The surveying professionals
work with different elements of science and mathematics, including physics, geometry,
trigonometry, engineering, metrology, regression analysis, programming
languages and many more.
has a long history and has been developed since ages. It is used as an essential
tool to continue the research in many technical and geographical fields. The surveyors
are high level professionals who have extreme knowledge on the placement and location
of roads, pipelines, walls, bridges, buildings, dams, reservoirs and railways. They
are well versed with the legal proceedings and consequences and act by the law of
surveyors act as advisors and provides various statistics and data for GIS system
and records all the land features that might help in the construction process.
A sound knowledge of calculus, algebra, geometry, trigonometry and jurisdiction
laws is a must for enhancing the construction in a real estate and in a government
property. There are three levels of academic qualification required for
assistant, technicians and registered surveyors.
assistants who work under the surveyors are generally considered to be unskilled
practitioners, sharpening their skills under the guidance of the surveyors. They
are advised to place target reflectors, mark specific points and distance on
the ground, search for reference mark and many more. The technicians help to operate every survey instrument
and software and is called for to perform certain calculations and draft plans,
highest degree or qualification is held by the licensed surveyors need to pass exams
and gain certifications in order to carry out his work. They make sure that the
survey is guided under their supervision meeting all the legal standards, principles
and code of ethics of the profession.
Techniques required for the survey
of distance- Gunter’s chain, measuring tapes, chains with links are used for measuring
the distance. The tape is adjusted during the measurement of a slope or inclined
of angle- To measure the horizontal angles, a compass is used, by which the deflection
is recorded. For more detailed sighting, a mounting telescope with reticles and
verniers are used. This assists in the measurement of the vertical angles.
If it is required to provide a precise measurement, leveling can be used for generating
better results. With the Global Positioning System, leveling can be used to
measure long distances.
Position determining can be observed with the position of the instrument and reference
errors and accuracy- There are three categories of errors in a survey- blunders,
systematic and random. These errors can be avoided by regular check on the equipment
and using consistent methods.
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