The hopeful birth........................................

 ...............................of a sub-division:  Episode 8

Installing the sanitary sewer mains.

Sewer pipe has to allow for a down hill flow to work.  Better
get the grades right the first time

Sand and gravel soil tends to slide.  Have to work in the box 
for safety's sake

cutting the sewer main pipe the right length

If I was a better geologist I might be able to explain the 
subtle variations of soil levels

backfill begins.  The white poles tell the next crew where
to connect the sewer laterals that serve the lots