The Challenges of Constructing a Deep Sewer in an Urban Environment Andrea Brinkley, PMP Clay Herndon, P.E. Out of Sight, Out of Mind, Not Out of Risk
Project Overview • 17,300 LF of sewer line • 11 to 20 feet deep • 61 manholes • 7 lift stations decommissioned Out of Sight, Out of Mind, Not Out of Risk
Project Overview Out of Sight, Out of Mind, Not Out of Risk
Preliminary Engineering • Data Collection • Existing Utilities • Geotechnical Investigation Out of Sight, Out of Mind, Not Out of Risk
Data Collection Out of Sight, Out of Mind, Not Out of Risk
Existing Utilities 8’x8’ BOX CULVERT Out of Sight, Out of Mind, Not Out of Risk
Existing Utilities Out of Sight, Out of Mind, Not Out of Risk
Geotechnical Investigation Out of Sight, Out of Mind, Not Out of Risk
Geotechnical Investigation Out of Sight, Out of Mind, Not Out of Risk
Geotechnical Investigation Out of Sight, Out of Mind, Not Out of Risk
Final Design • Pipe Material Selection • Embedment & Backfill • Trenchless Design • Constructability • Public Involvement Out of Sight, Out of Mind, Not Out of Risk
Pipe Material Selection Out of Sight, Out of Mind, Not Out of Risk
Embedment & Backfill Out of Sight, Out of Mind, Not Out of Risk
Trenchless Design Out of Sight, Out of Mind, Not Out of Risk
Constructability Out of Sight, Out of Mind, Not Out of Risk
Constructability Out of Sight, Out of Mind, Not Out of Risk
Public Involvement Out of Sight, Out of Mind, Not Out of Risk Out of Sight, Out of Mind, Not Out of Risk
Construction Phase • Engineer of Record • 3 rd Party CM • City Inspector Out of Sight, Out of Mind, Not Out of Risk
Construction Out of Sight, Out of Mind, Not Out of Risk
Construction Out of Sight, Out of Mind, Not Out of Risk
Construction Out of Sight, Out of Mind, Not Out of Risk
Conclusions Out of Sight, Out of Mind, Not Out of Risk
Andrea Brinkley, PMP abrinkley@pearlandtx.gov Clay Herndon, P.E. Clay.Herndon@freese.com Out of Sight, Out of Mind, Not Out of Risk
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