1.

A level instrument at a height of 1.320 m has been placed at a station having a Reduced Level (RL) of 112.565 m. The instrument reads -2.835 m on a levelling staff held at the bottom of a bridge deck. The RL (in m) of the bottom of the bridge deck is

A. 116.720
B. 116.080
C. 114.080
D. 111.050
Answer» B. 116.080


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