1. CCTV Inspection Results
WLLI Comparison of 2015 to 2017
CCTV Inspection Results
2015 – Liner Deformation Downstream View
2016 – Liner Deformation Downstream View
2017 – Liner Deformation Downstream View

2. CCTV Inspection Results
WLLI Comparison of 2015 to 2017
CCTV Inspection Results
2015 – Liner Deformation Downstream View
2016 – Liner Deformation Downstream View
2017 – Liner Deformation Downstream View

3. WLLI Comparison 2017 CCTV Inspection Results
Separation revealing stone backfill

4. WLLI Comparison 2017 CCTV Inspection Results
I-Beam Obstruction on Downstream Side of Manhole 200
Base of I-Beam
View of I-Beam Top