Stepbystep guide to dumpy level survey a dumpy level also known as a builders level is an optical instrument used to establish or check points in the same horizontal plane. Introduction surveying is a necessary activity to determine the elevations, distances, and. April 2004 a run is the levelling between two or more points measured in one direction only. We hope students all over the world will find it helpful. Introduction to engineering surveying ce 5 levellingtheory.
An automatic level, self levelling level or builders auto level, includes an internal compensator mechanism a swinging prism that, when set close to level, automatically removes any remaining variation from level this reduces the need to set the instrument truly level, as with a dumpy or tilting level. Levelling in surveyingobjectives and methods of levelling. Lab report 1 leveling measurements civil engineering. When using telescope to get a reading, the e shape pattern makes it easier to read the reading. To introduce the method of differential leveling and to learn basic techniques of leveling, and to practice standard note taking protocol for fieldwork. Lab4 lecture4 prof leveling memorial university of newfoundland. It is hoped that students will gain valuable insight into surveying after completion of this course, which will also help them in their professional lives. All the measurements are taken with respect to a base point or it is known as benchmark. The level kit consists of a level head in box, staff and tripod. Taylors university sabd site surveying qsb 60103 leveling report 6 foresight fs.
Levelling deep benchmark bm24 at the end of the airstrip the latest listing of rls for all marks using the university of hawaii tide staff zero tsz as datum is to be found on pages and 14 of this report. You can also use direct levelling to determine elevations for contour surveying see section 8. Whats next after globalization hardcover may 28, 2019. Report levelling accuracy and precision surveying free. Surveying i list of practical minimum 15 practical should be performed out of the following 1 measurement of distance by ranging and chaining. There are various types of leveling used in surveying for measurement of level difference of different points with respect to a fixed point. A dumpy level also known as a builders level is an optical instrument used to. We have taken the reading of three points of static things that have at our location from station a. Guide shows you how to prepare a practical report and provides tips for ensuring a good grade. Pdf surveying practical 2 part a automatic level two.
Theodolite survey application in height and distance measurements. Levelling and surveying methods are also used for measurements of river. The report shall be submitted one week after completed the fieldwork. The conclusion summarises and evaluates the findings. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Aug 30, 2015 trigonometric or indirect levelling is the process of levelling in which the elevations of points are computed from the vertical angles and horizontal distances measured in the field, just as the length of any side in any triangle can be computed from proper trigonometric relations. Leveling is a branch of surveying in civil engineering to measure. To make close flyleveling survey vertical control from tbm to site location. Levelling staff a levelling staff usually shows an e pattern drawing on the staff. Sep 09, 2017 reciprocal method is very important method of surveying. 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 slope such as. The following are the data obtained at site during the practical exercise from engineering. Reciprocal method is very important method of surveying. Table 1 shows the different sections of a practical report and states the function of each section.
Taylors university sabd site surveying qsb 60103 leveling report 1 school of architecture, building and design bachelor of quantity surveying honours qsb 60103 site surveying semester 2 fieldwork 1 report leveling name student id marks hor weng lim 0319441 felix vong zhi wei 0318462 kevin lee hee xian 0315192 jackson ting shii hang 0324326. The body shows sections with headings which report the findings of the research undertaken. This is useful in various civil engineering construction works where levels of different structures need to be maintained as per drawing. Here in we have gathered some pdf lectures on surveying. Surveying is the art and science of measuring distances, angles, and positions, on or near the surface of earth. View homework help 01 levelling practical exercise with two peg test from engineerin 48320 at university of technology, sydney. Dumpy level a dumpy level, builders auto level, levelling instrument, or automatic level is an optical instrument used to establish or check points in the same horizontal plane. Way more information than you ever wanted on how to fell a tree. Page 1 introduction levelling is a method to measure the elevation difference between two 2 or more points. A similar listing using chart datum as defined by the royal new zealand navy follows on pages 15 and 16. This report describes levelling of an aeromagnetic survey where such conditions prevail.
Oregon department of transportation geometronics 200 hawthorne ave. Read chapters 4 and 5 in the elementary surveying, 11th ed. Surveying practical 2 part a automatic level two peg test. The objectives and methods of levelling are described below. It is used in surveying and building to transfer, measure, or set horizontal levels.
Geological survey of norway n7441 trondheim, norway tel. The outward run is from known to unknown points and the return run is the check levelling in the opposite direction. Davis, 1966 every meter is using an alternating colour to enable people to differentiate the length, normally the colour used is red and black. For example, if you have a deadline to meet, slipping. Lab4 lecture4 prof leveling memorial university of. However, each person in the group must make a sketch in hishers field book during the leveling procedure. Highways railways transmission lines canals sewers water mains profile leveling yields elevations at definite points along a reference line. Practical report structure practical reports have a clear, linear structure.
In a modified form called stadia levelling, commonly used in. In the recent debate on levelling up there has been a lot of focus on the treasurys green book and government costbenefit analysis particularly for transport projects. Introduction to engineering surveying ce 5 levelling. Surveying is a very important part of civil engineering. Jan 11, 2011 the introduction page 1 provides background information to the report, e. In this practical, focus is shifted to one of levelling techniques namely, fly level observation or also known as the rise and fall method. One set of measured data to be recorded for each group in one of the field books during the leveling procedure. There are several simple ways to determine the elevations of. To be practical value, however, the third dimension, namely the height of. It is a basic course for all universities for civil engineers. Feb 05, 2012 from this practical, we were able to setup the compass survey stations and their equipment correctly. In addition, the practical aspects of specialized instruments have been covered in detail, including plane table, theodolite and level.
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