Setting Out Survey Site Setting Out & Building Layout 12 RIGHT ANGLE TRINAGLE USED IN SETTING OUT One of the most important procedure used in setting out is the process of ensuring that all right angle corners are properly aligned One of the simplest ways is to use the method known as 345 triangle method PROCEDURE 1 A peg with aMarch 3rd, 19 4 1 Setting out Right Angles the 3 4 5 Method To set out right angles in the field a measuring tape two ranging poles pegs and three persons are required The first person holds together between thumb and finger the zero mark and the 12 metre mark of the tape The second person holds between thumb and finger the 3 metre mark of The 3 4 5 method is an application of the Pythagoras Theorem ie Forming right Angle Most times, 2 or 3 people are involve in this 3 meters is Measure from the Parallel Line created, then 4 Meter Away from the First point forming a Right Angle, you use your Measuring tape to Confirm the distance between the 3m point noted at the parallel line and the 4m noted at the
4 Setting Out Right Angles And Perpendicular Lines
