Question

60. A alignments. The field leveling notes are shown below. tield survey has been performed for a proposed sewer extension based on two different Centerline Profile Natural Ground Alignment A Station 0+00 1+00 2+00 3+00 Alignment B evation tation evation 38.1 36.9 349.2 352.3 353.5 52.8 353.1 356.3 348.2 39.3 26.7 334.8 351.3 56.1 1+00 +00 +00 The proposed sewer extension will begin at Sta. 0+00 at an elevation of 322.0 at the existing sewer and continue upstream with a slope of +2%. Which of the statements is true regarding the two alignments? I Alignment A will require more excavation than B. II Alignment B will have pipe exposed. III Alignment A has the maximum trench depth compared to B. a. 1 and П only b. I and III only C. П and III only d, I, II and Ⅲ e. None of the above

Answer 1

338 336 2.3 2399.2 3 352-3 353.S 352.8 35 3- 1- 2 2G-1

2. 356-3 348-2 331.3 0 12-6 3 339.8 6.5 351-3 men fb to me the above