lab5 - 0.01 Part b) Clockwise from A to E (E/W) (N/S) (rad)...

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CE111 Fundamentals of Surveying Lab 5 1 Collected Data: Lat - N Lon - W Elev Note: Station Degrees Minutes Degrees Minutes Feet ID your points according to which A 42 1.91 93 38.98 979 stations were recorded twice. B1 42 1.8 93 38.95 1089 In this case, C and D were recorded twice. B2 42 1.82 93 38.95 1023 Make A the most northerly point and C1 42 1.81 93 39.03 1022 proceed clockwise around the traverse. C2 42 1.82 93 39.04 988 D 42 1.84 93 39.06 1040 E 42 1.87 93 39.03 983 Givens: Mean Lat 42 1.838 3959 Earth radius (mi.) 5280 ft./mi. Part a) 2941 Radius at mean lat. (mi.) 6.08 N-S Distance for each 0.001 minute of latitude along a line of longitude (ft.) 4.52 E-W distance for each 0.001 minute of longitude along a line of latitude, at mean latitude (ft.) Lat Std. Err. Lon Std Err. Total Error Station Mean Std. Dev. Std. Err. N-S (ft.) Mean Std. Dev. Std. Err. E-W (ft.) (ft.) B 1.810 0.007778 0.005500 33.44 38.946 0.001414 0.001000 4.52 0.01 C 1.814 0.007778 0.005500 33.44 39.034 0.002828 0.002000 9.04
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Unformatted text preview: 0.01 Part b) Clockwise from A to E (E/W) (N/S) (rad) Side Dep (+/-) Lat (+/-) Distance Azimuth Deg Min Sec Slope A-B 158.200-617.120 637.075 1.822 104 22 41.770-3.901 B-C-397.760 24.320 398.503 6.222 356 30 4.160-0.061 C-D-131.080 142.880 193.899 5.455 312 32 1.260-1.090 D-E 167.240 224.960 280.315 0.932 53 22 19.600 1.345 E-A 203.400 224.960 303.280 0.836 47 52 52.870 1.106 Totals: 0.000 0.000 1813.070 Part c) (feet) Station Easting Northing Cross Products: Area: A (given) 1000.00 800.00 180842.67 Sq. Ft. B 1158.20 182.88 4.15 Acres C 760.44 207.20 D 629.36 350.08 E 796.60 575.04 A 1000.00 800.00 Part d) (feet) Givens: 1852 meters/minute of arc Euclidian GC 3.28 ft/m Side Distance Distance Difference A-B 637.07 B-C 398.50 Computations to be shown in supporting C-D 193.90 workpapers. D-E 280.31 E-A 303.28 Total: ft....
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This note was uploaded on 03/27/2008 for the course CE 111 taught by Professor Walton during the Spring '08 term at Iowa State.

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