What is the chainage of the lower station

Reference no: EM131146798

A preengineering baseline was run down a very steep hill (Figure 2.35). Rather than measure horizontally downhill with the steel tape, the surveyor measured the vertical angle with a theodolite and the slope distance with an EDM. The vertical angle was -21°26, turned to a prism on a plumbed range pole 4.88 ft above the ground. The slope distance from the theodolite to the prism was 148.61 ft. The theodolite's optical center was 4.669 above the upper baseline station at 110 + 71.25.

(a) If the elevation of the upper station is 324.28, what is the elevation of the lower station?

(b) What is the chainage of the lower station?

Reference no: EM131146798

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