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using the speed of electromagnetic energy given in problem 623 what distance corresponds to each nanosecond of
to calibrate an edm instrument distances ac ab and bc along a straight line were observed as 216622 m 130320 m and
for the tape of problems 68 through 611 determine the true horizontal length of the recorded slope distance bc for the
a 100-ft steel tape of cross-sectional area 00025 in2 weight 23 lb and standardized at 68degf is 99992 ft between end
the estimated error for both instrument and target miscentering errors is 3 mm for the edm in problem 637 what is the
determine the most probable length of a line ab the standard deviation and the 95 error of the measurement for the
a level is set up midway between two wood stakes that are about 300 ft apart the rod reading on stake a is 872 ft and
a preengineering baseline was run down a very steep hill figure 235 rather than measure horizontally downhill with the
prepare a set of profile leveling notes for the survey in figure 234 in addition to computing all elevations show the
the edm slope distance between two points is 218371 ft and the vertical angle is 2deg4530 the vertical angles were read
to verify the constant of a particular prism a straight line abc is laid out the edm instrument is first set up at a
a 100-ft cut steel tape was used to check the layout of a building wall the rear surveyor held 71 ft while the head
you must determine the ground clearance of an overhead electrical cable surveyor b is positioned directly under the
a six-sided traverse has the following station coordinatescompute the distance and bearing of each
using the data from problem 617 compute the coordinates of stations c d e and a assume that the coordinates of station
figure 1318 shows proposed curb locations together with offset stakes for the north-side curb the straight section of
refer to figure 1314 site grading plan a grade stake was set near the middle of lot 26 and the stake-top elevation was
for the intersection curve r 35 ft at main street station a 0 52 to station da compute the length of arcb determine
the field measurements in feet for an irregularly shaped paved area are shown in figure 1721 calculate the area of
a stockpile of highway crushed stone is shaped into a conical figure the base has a diameter of 72 ft and the height of
field conditions require a highway curve to pass through a fixed point compute a suitable equal-tangent vertical curve
from the following excerpt of field notes plot the cross section on graph paper and superimpose on it a design template
on the photograph of problem 2712 the image c of a third point c appears its elevation hc 1365 ft and its photo
compute the area in acres of a triangular parcel of land whose sides measure 4878 mm 8405 mm and 6936 mm on a vertical
aerial photography was taken at a flying height h ft above average terrain if the camera focal plane dimensions are