- Date
- 11/03/2020
- W/O
- 0854892
- Weather
- Dry
- Operator/Surveyor
- MARTIN
- Sewer ID
- Z00640
- PipeID
- P13113
- Time
- 1:15 AM
- Certificate
- U-1014-06022543
- System Owner
- LACSD
- Date Cleaned
- —
- Pre-Cleaning
- Not Known
- Media Label
- H1612
- Sewer Name
- 16 ALLEN AVENUE TRUNK, SECTION 3
- City
- SAN GRABRIEL
- Loc. details
- Main Highway - Urban
- Location Code
- A
- Use of Sewer
- Sanitary Sewer
- District
- District 02
- Page No.
- 01
- Purpose
- Routine Assessment
- Project
- 20201102MDM_ALLEN_AVENUE_TRUNK_SECTION_3
- Material
- NRCP
- Shape
- Circular
- Height
- 21 in.
- Upstream MH
- 16 0023
- Downstream MH
- 16 0022
- Dir. of Survey
- Downstream
- Length Surveyed
- 399.1 ft.
- Total Length
- 399.1 ft.
- Structural Index
- 3
- Structural Quick
- 4122
- Structural Rating
- 8
- O&M Index
- 0
- O&M Quick
- 0000
- O&M Rating
- 0
- Overall Index
- 3
- Overall Quick
- —
- Overall Rating
- 8
Pipe schematic from manhole 16 0023 to 16 0022 Observation photos (4)

2 ft. - General Observation - 20% MAG COAT START

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

2 ft. - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG

129.8 ft. - Surface Spalling, from 09 to 12 o'clock, within 8 inches of joint: NO - PEELING CONCRETE