The elevation at point $"A"$ is $29\mathrm{.}62$ m $.$ Calculate the elevation at $"B"$ given the tollowing

information. The slab is $250$ mm thick. From the underside of the slab to the center of

the $4$ inch cast iron soil pipe is $1200$ mm $.$ The pipe then grades down $44$ meters at

$2\mathrm{.}08\%$ until it runs through the center of a six inch sleeve. Calculate the elevation at

the bottom of the six inch sleeve.