Question 4 In a direct contouring exercise, a backsight reading of 2.56m was taken to a TBM of elevation 256.78 mAMSL. A

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Question 4 In A Direct Contouring Exercise A Backsight Reading Of 2 56m Was Taken To A Tbm Of Elevation 256 78 Mamsl A 1 (27.73 KiB) Viewed 31 times

Question 4 In a direct contouring exercise, a backsight reading of 2.56m was taken to a TBM of elevation 256.78 mAMSL. Assume that the parcel allows for contours having values ranging from 255.00m to 257.00m. Given a contour interval of 1.Om and using a 7m staff, determine the staff readings that should be read to locate each contour value from that height of instrument? 15 marks Question 5 The given reduced levels for two grid intersection points separated by a horizontal distance of 10m have elevation values of 188.780m and 192.346m. Determine what horizontal distances should be measured from the lower point to determine the position of contours at a 2m interval. 15 marks]