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2-00 SURVEY EQUIPMENT. 2-01 Control. A. Technical Supervisor and Division. Procurement Officer. 2.1.1. B. Party Chief. 2.1.1. C. GPS Technician. 2.1.1. 2-02 Care of Equipment. A. General. 2.2.1. B. Total Station Instruments. 2.2.1. C. Automatic Levels (Self-Leveling). 2.2.4. D. Tripods. 2.2.5. E. Level Rods. 2.2.6. F. Tapes.
value Auto Levels. - 6 MODELS - 24x TO 32x MAGNIFICATION. - WATERPROOF, OUSTPROOF CONSTIRUCHON. - 2 SPEED Focus. - ANGULAR READING T010 MINUTES. - CLAMPLESS FINE line of Auto-Levels Topcon, the World leader in precision survey optics, the instrument eyepiece. Then get on target
TYPES OF LEVEL INSTRUMENTS. 2. 2.1 Dumpy level. 2. 2.2 The (Engineer's) tilting level. 6. 2.3 Automatic level. 8. 2.4 Leveling staff. 8. 3. LEVELING PROCEDURES AND FIELD BOOKS. 10. 3.1 Collimation method. 10. 3.2 Rise and fall method. 14. 3.3 Which method to use. 15. 3.4 Accuracy of recording and closing errors.
Auto Level Surveys. R. Storesund. February 2008. - 1 -. AUTO LEVEL SURVEYS. Overview. This guide presents a tutorial on how to setup and take elevation Procedure. Before starting your field work, you will want to conceptually map out how many cross-sections (and the extents of the cross-sections) you may need, the
AUTOMATIC LEVEL - A leveling instrument in which the line of sight is automatically maintained horizontal by means of a built-in AUTO SURVEYOR - A trade name for an inertial positioning system. BALANCING A SURVEY - Distributing corrections through a traverse to eliminate the errors of closure according to some
Introduction to lab procedure. 3. LAB #1: DETERMINATION OF PACE. 5. LAB #2: CHAINING / TAPING ON LEVEL GROUND. 6. LAB #3: SURVEY OF AN AREA BY CHAIN SURVEY (CLOSED TRAVERSE). 8. LAB #4: CHAINING ACROSS OBSTACLES. 10. LAB #5: CHAIN SURVEYING (MAPPING BY TAPE). 15. LAB #6:
accurate levels and with a more rigorous observing procedure than general engineering levelling. It aims to achieve A reduced level is the vertical distance between a survey point and the adopted level datum. A bench . automatic levels should not be carried in a vertical or near-vertical position, as the compensator will.
May 2005 SURVEYING EQUIPMENT, MEASUREMENTS AND ERRORS. 3(i). Chapter 3. Surveying Equipment .. maintenance and care of the equipment and general procedures for surveys using the equipment. The majority of surveys .. “pegging the instrument." To adjust the line of sight of an automatic level, drive two.
Step-by-Step Guide to. Dumpy Level Survey. A dumpy level (also known as a Builder's Level) is an optical instrument used to establish or check points in the same horizontal plane. It is used in archaeological surveying to measure horizontal levels, for example to demonstrate the difference in height at the top and base of a
Elevation of plane of collimation for the first set of the level determined by adding back side to R.L. of B.M.. 2. The R.L. of intermediate point and first change point are then obtained by starching the staff reading taken on respective point (IS & FS) from the elation of the plane collimation. [H.I.]. 3. When the instrument is shifted
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