Scribd is the world's largest social reading and publishing site. Traversing: This is the basic detailed survey done in a full area like college premises. iv. Fig 2.1 (a) Closed traverse is suitable for the survey of boundaries of ponds, forests etc. It can be done by means of plumb bob suspended from a small hook attached to the vertical axis of the theodolite. It is done by making numerous triangles that interconnect and overlaps with each other to measure the angle. Data, angles, distances and elevation differences are to be collected using leveling rod, steel tape, and theodolite. Search Search Typical survey task First 1 in 25000 Control or monitoring surveys Second 1 in 10000 Engineering surveys; setting out Third 1 in 5000 Fourth 1 in 2000 Surveys over small sites 2 n … LAB #3: SURVEY OF AN AREA BY CHAIN SURVEY (CLOSED TRAVERSE) Objective: To survey an open field by chain survey in order to calculate the area of the open field. surveying, the following strategies must be followed: Follow techniques that will help detect and eliminatealltheblunders. 1.Centering : Centering means setting the theodolite exactly over an instrument- station so that its vertical axis lies immediately above the station- mark. surveying and develops the teamwork and data handling skills. It is one in specific structures Triangulation: This type of survey is used when high accuracy is needed. Traversing is a fundamental operation in surveying and the assessment of the quality of a traverse is a skill that every surveyor develops. Equipments: Chain, Tape, Ranging Rods, Arrows, Cross Staff. Acceptable traverses have angular and linear misclosures that fall within acceptable bounds; which would permit the adjustment of the traverse measurements to remove mathematical inconsistencies. 3 1.0 INTRODUCTION Traverse surveying is a common method of surveying which is a number of connected survey lines form the stations and the directions and lengths of the survey lines that can be measured with the support of the angle measuring tool and tape or chain. TRAVERSE COMPUTATIONS AND ADJUSTMENTS Engr. Jeark A. Principe, MSc. The average distance between AB and BA are plotted to suitable scale on the drawing paper. THEODOLITE SURVEYING TERMS USED IN MANIPULATING A TRANSIT VERNIER THEODOLITE. Surveying_traverse.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free. TRAVERSE COMPUTATION Lecture 3 SGU 1053 SURVEY COMPUTATION AzmiHassan SurvComp SGU1053 1. Procedure for surveying the given open field (Closed Traverse): Note: This procedure is general procedure only. v. Then the point C is sighted from B and the distance was measured. ... Property surveys to establish boundaries -Traverse The following conditions should be considered: Minimumnumberofstations,asneeded It can be open traverse and closed traverse. Open Traverse : When a sequence of connected lines extends along a general direction and does not return to the starting point, it is known as ‘open traverse’ or (unclosed traverse). 2. Methods of PT : Traversing Method •It is used for running survey lines between stations, which have been previously fixed by other methods of survey, to locate the topographic details. ... techniques of traverse adjustment, the compass rule, and transit rule. In this project, points of the network are to be selected and well described. Traverse Angle: Angle between two traverse legs, formed at a vertex/station. 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