A Bench mark is at an elevation of 33.11′. The cut to the invert of a pipe is 16.27′ and the HI reading is 2.01′. What should the rod reading at the invert of the pipe be?
A Bench mark is at an elevation of 33.11′. The cut to the invert of a pipe is 16.27′ and the HI reading is 2.01′. What should the rod reading at the invert of the pipe be?