Surveying or land surveying is the technique and science of accurately determining the terrestrial or three-dimensional position of points and the distances and angles between them. These points are usually on the surface of the Earth, and they are often used to establish land maps and boundaries for ownership or governmental purposes.
To accomplish their objective, surveyors use elements of geometry, engineering, trigonometry, mathematics, physics, and law.
Furthermore, as alluded to above, a particular type of surveying known as " land surveying" ( also per ACSM) is the detailed study or inspection, as by gathering information through observations, measurements in the field, questionnaires, or research of legal instruments, and data analysis in the support of planning, designing, and establishing of property boundaries. It involves the re-establishment of cadastral surveys and land boundaries based on documents of record and historical evidence, as well as certifying surveys ( as required by statute or local ordinance) of subdivision plats/ maps, registered land surveys, judicial surveys, and space delineation. Land surveying can include associated services such as mapping and related data accumulation, construction layout surveys, precision measurements of length, angle, elevation, area, and volume, as well as horizontal and vertical control surveys, and the analysis and utilization of land survey data.
Surveying has been an essential element in the development of the human environment since the beginning of recorded history ( about 5, 000 years ago) . It is required in the planning and execution of nearly every form of construction. Its most familiar modern uses are in the fields of transport, building and construction, communications, mapping, and the definition of legal boundaries for land ownership.
Survey and Contruction Instrument - AUTO LEVEL AL SERIES
AL series are optical instruments mainly used in surveying and building to transfer, measure, or set horizontal levels.It is a high quality, accurate, water resistant and low cost unit ideal for site measurements.
Feature
- 7-pieces built-up telescope system gets clearer images
- Exclusive closed magnetic field
- Magnetically-dampened compensator
- Compensator lock
- X-type thread air-damper applied to tilt sensor, high precision and reliable.
- All metal housings for increased durability
- Top-mounted optical peep-sight for quick reference
- Superior shake-resist, waterproof and dustproof
For more information and reservations please contact :
Distributor, Agent, Sales, Installation and Training.
Jakarta - Indonesia
Contact Person: Fikri ( 0815 614 1954, 0811 893 101)
Address: Jl. Pahlawan Revolusi No. 22B
Jakarta Timur
Phone. + 62-21-8611 131, 8611 259, 8611 444, 8611449
Fax : + 62-21-8611 207
EMAIL : sales@ alatuji.com
Website : www.alatuji.com
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