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FE Review-Surveying Ex 1. Azimuths & Bearings Determine the Azimuth and Bearing for each of the following: (a) (b) N N 70 w W 55 (C) (d) N N 45 W W 80 s S 1 FE Review-Surveying Ex. 2 Area Calculation Boundary and


  1. FE Review-Surveying Ex 1. Azimuths & Bearings • Determine the Azimuth and Bearing for each of the following: (a) (b) N N 70° w W 55° (C) (d) N N 45 W W 80° s S 1

  2. FE Review-Surveying Ex. 2 Area Calculation Boundary and traverse lines bounding an irregular area are shown below. Estimate the total area using all 3 methods. j •34' 21' 23' 29' 31' , Traverse Line ^ V > > t \ • V 3D' 30' 30' 30' 30' So 21 2S 23 31' v Traverse Line ^ 30 30 2

  3. FE Review-Surveying Ex. 2 Area Calculation Boundary and traverse lines bounding an irregular area are shown below. Estimate the total area using all 3 methods. So. Wis* 23 29' 31' : 23 7 21 ' laveise Lih6 30' 3u Area by Coordinates v Plus Minus X A B C D E F G H I J K L A Sum Area Area by Coordinates Plus Min us v X A 0 0 - - B 0 34 0 0 C 30 1020 0 21 D 60 23 1260 690 E 90 29 2070 1740 F 120 31 3430 2790 G 150 23 4650 2760 H 150 0 3450 0 I 120 0 0 0 J 90 0 0 0 K 60 0 0 0 L 30 0 0 0 0 0 0 0 A Sum 15930 7930 3 Area 3975

  4. FE Review-Surveying Determine differential elevation between 2 points by taking backsights and foresights on rod > HI - BM + BS > Elev = HI - FS > Closure - > IBS - IFS Elm W 21 > BM u![ -BM known • Distribute errors SM Bock Eev 820.00 Oktuio Mv 0,00 Adjusted Station BS= HI FS- Elevation Elevation BM1 5.51 100.000 100.000 TP1 6.53 3.250 BM2 4.32 10.500 TP2 3.277 6.670 BM1 7.890 4

  5. FE Review-Surveying Objective is to measure the boundaries of a (typically closed) area • Measure boundary angles and lengths in the field P. 170 • Calculate departures AX & latitudes AY LATITUDES AND DEPARTURES » Calculate coordinates * Lititufr • Compare calculated and known coordinates * Oeparfrre -Qfntei - Latitude m A (T&sgjf traverse is run from Point B to Point K. The known coordinates of Point K are I l,5N.I5N and IO.507.23E. Find the linear closure error. Station Distance Bearing Departure Latitude Easting Northing (ft) (ϴ) Lsin(ϴ) Lcos(ϴ) (X) (Y) B 8,755.32 11,250.61 487.52 N18°22'E C 789.16 S87°10'E D 825.97 S78°37'E K 5

  6. FE Review-Surveying Cut Area Fill Area Cut Volume Fill Volume Station (ft 2 ) (ft 2 ) (ft 3 ) (ft 3 ) (ft) 20+00 - 173.21 20+10.50 - 43.56 20+21.50 14.32 9.63 20+28.45 64.73 - 20+40 187.42 - Average End Volume Pyrimid/Cone Volume 𝑊 = 𝑀 𝐵 1 + 𝐵 2 𝑊 = ℎ 𝐶𝑏𝑡𝑓 𝐵𝑠𝑓𝑏 2 3 6

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