- Date
- 08/19/2021
- W/O
- 906743
- Weather
- Dry
- Operator/Surveyor
- J. BUENROSTRO
- Sewer ID
- Z00685
- PipeID
- P14406
- Time
- 9:53 PM
- Certificate
- U-715-07000770
- System Owner
- 1
- Date Cleaned
- —
- Pre-Cleaning
- Not Known
- Media Label
- K9261
- Sewer Name
- 18 LA MIRADA RELIEF TRUNK
- City
- NORWALK
- Loc. details
- Main Highway - Urban
- Location Code
- A
- Use of Sewer
- Sanitary Sewer
- District
- District 18
- Page No.
- 31
- Purpose
- Routine Assessment
- Project
- WO_906743_TV18082_AUG2021
- Sewer Type
- Gravity
- Material
- Reinforced Concrete Pipe
- Shape
- Circular
- Height
- 36 in.
- Width
- 36 in.
- Upstream MH
- 18 0557
- Downstream MH
- 18 0556A
- Dir. of Survey
- Downstream
- Length Surveyed
- 648.8 ft.
- Total Length
- 648.8 ft.
- Structural Index
- 3
- Structural Quick
- 3121
- Structural Rating
- 5
- O&M Index
- 3
- O&M Quick
- 4131
- O&M Rating
- 9
- Overall Index
- 3
- Overall Quick
- —
- Overall Rating
- 14
Pipe schematic from manhole 18 0557 to 18 0556A Observation photos (2)

10 ft. - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

38.1 ft. - Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES, Start