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a six-sided closed traverse was surveyed over the stations abcdef at each station the back bearing of the previous
the magnetic bearing of a boundary line was recorded as s 76deg30 w in 1897 at which time the declination was 2deg45 w
the magnetic bearing of a boundary line was recorded as s 55deg30 e in a deed dated 1913 at that time and place the
the field data and the fixed data follow for each of six traverses the forward direction is given by the alphabetical
with reference to figure 7-20 the coordinates of point a are n 10000 e 10000 and the coordinates of point b are n 40000
a side shot is taken from traverse station m to m1 the measured horizontal distance is 2357 ft a clockwise angle of
perpendicular offsets are measured at intervals of 50 ft from a traverse line to a curved boundary the offset distances
compute the area within the loop traverse of problem 17 by the coordinate methodproblem 17the coordinates of
with reference to figure 7-24 the northing of point s is to be n 1650 the northing of the circle center o is to remain
assume that the adjusted loop traverse shown in figure 7-11 represents the property lines of a land parcel it is
drainage designassignmentthe main access to a large rural farming community in a developing country is provided by an
the data given in figure 9-36 were taken in the order shown in parentheses during a grid-method leveling survey the
a camera with a 6-in focal length is used to take a block of vertical aerial photographs the average camera height
it is required to obtain aerial photos of a large tract of land at a scale of 124000 using a 150-mm focal-length camera
the distance between two major road intersections seen on a vertical photo is measured to be 125 mm from ground survey
the relief displacement of a tall building is measured to be 120 in from its base as seen on a vertical photo taken
what kinds of curves are usually used to connect tangents along the horizontal alignment of a roadway what kinds of
how are distances measured along the vertical alignment how does the length of a vertical curve differ from that of a
a simple curve with da 18deg has its pc at station 10 50 what are the deflection angles for stations on the curve of
giventhe tangents are to be connected by simple curves each with a degree of curvature 6deg determine the stations of
a simple curve is to be laid out so that its external distance is 35 m or less if the tangents intersect at an angle of
the pi of a simple horizontal curve with r 750 ft is not accessible point a is established on the back tangent at
for a preliminary vertical alignment of a roadway the straight tangent sections are established as followsstation 0 00
vertical parabolic curve has its pvi at station 29 2500 and elevation 8752 the grade of the back tangent is 25 percent
a simple curve is to connect two tangents with an angle of intersection 80deg the curve must pass through a point that