Table $1$

$\backslash$table$[[$Table $1,,,],[$BS$,$IS$,$FS$,$Remarks$],[1\mathrm{.}452,,,$BM M$21(34\mathrm{.}830$m$)],[1\mathrm{.}294,,1\mathrm{.}305,$CP$2],[1\mathrm{.}351,,1\mathrm{.}395,$CP$3],[,1\mathrm{.}450,,$Curb $1],[,1\mathrm{.}430,,$Drainage$],[1\mathrm{.}247,,1\mathrm{.}401,$CP$4],[,1\mathrm{.}520,,$Lamp Post$],[,{1\mathrm{.}540}^y,,$Building $1],[1\mathrm{.}349,1\mathrm{.}560,,$Curb $2],[,-1\mathrm{.}111,,$CP$5],[,-1\mathrm{.}222,,$Inverted Staff $1],[,-1\mathrm{.}333,,$Inverted Staff $2],[,-1\mathrm{.}444,,$Inverted Staff $4],[,,1\mathrm{.}282,$BM M$30(34\mathrm{.}800$m$)],[56963,,{\displaystyle \underset{?}{\overset{?}{}}}6\mathrm{.}705,]]$Table $1$

$\backslash$table$[[$Table $1,,,],[$BS$,$IS$,$FS$,$Remarks$],[1\mathrm{.}452,,,$BM M$21(34\mathrm{.}830$m$)],[1\mathrm{.}294,,1\mathrm{.}305,$CP$2],[1\mathrm{.}351,,1\mathrm{.}395,$CP$3],[,1\mathrm{.}450,,$Curb $1],[,1\mathrm{.}430,,$Drainage$],[1\mathrm{.}247,,1\mathrm{.}401,$CP$4],[,1\mathrm{.}520,,$Lamp Post$],[,{1\mathrm{.}540}^y,,$Building $1],[1\mathrm{.}349,1\mathrm{.}560,,$Curb $2],[,-1\mathrm{.}111,,$CP$5],[,-1\mathrm{.}222,,$Inverted Staff $1],[,-1\mathrm{.}333,,$Inverted Staff $2],[,-1\mathrm{.}444,,$Inverted Staff $4],[,,1\mathrm{.}282,$BM M$30(34\mathrm{.}800$m$)],[56963,,{\displaystyle \underset{?}{\overset{?}{}}}6\mathrm{.}705,]]$