- Date
- 11/15/2021
- W/O
- 921606
- Weather
- Dry
- Operator/Surveyor
- S. LOPEZ
- Sewer ID
- Z00831
- PipeID
- P16727
- Time
- 1:14 AM
- Certificate
- U-0720-70309212
- System Owner
- 1
- Date Cleaned
- —
- Pre-Cleaning
- No Pre-Cleaning
- Media Label
- K9497
- Sewer Name
- 22 WALNUT CREEK TRUNK, SECTION 3
- City
- COVINA
- Loc. details
- Light Highway
- Location Code
- C
- Use of Sewer
- Sanitary Sewer
- District
- District 22
- Page No.
- 33
- Purpose
- Routine Assessment
- Project
- RFIR_WO_921606_TV22065_NOV2021
- Sewer Type
- Gravity
- Material
- NRCP
- Shape
- Circular
- Height
- 15 in.
- Width
- 15 in.
- Upstream MH
- 22 0393
- Downstream MH
- 22 0392
- Dir. of Survey
- Downstream
- Length Surveyed
- 307.6 ft.
- Total Length
- 307.6 ft.
- Structural Index
- 3
- Structural Quick
- 423K
- Structural Rating
- 293
- O&M Index
- 2
- O&M Quick
- 2K12
- O&M Rating
- 124
- Overall Index
- 2
- Overall Quick
- —
- Overall Rating
- 417
Pipe schematic from manhole 22 0393 to 22 0392 Observation photos (5)

2 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

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

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

249.8 ft. - Roots Fine Joint, from 04 to 08 o'clock, within 8 inches of joint: YESR

254.3 ft. - Roots Fine Joint, from 09 to 03 o'clock, within 8 inches of joint: YESR