- Date
- 12/15/2021
- W/O
- 926766
- Weather
- Dry
- Operator/Surveyor
- J. BUENROSTRO
- Sewer ID
- Z00815
- PipeID
- P16773
- Time
- 2:01 AM
- Certificate
- U-715-07000770
- System Owner
- 1
- Date Cleaned
- —
- Pre-Cleaning
- Not Known
- Media Label
- K9300
- Sewer Name
- 22 LARK ELLEN TRUNK, SECTS 2&3
- City
- COVINA
- Loc. details
- Main Highway - Urban
- Location Code
- A
- Use of Sewer
- Sanitary Sewer
- District
- District 22
- Page No.
- 25
- Purpose
- Routine Assessment
- Project
- RFIR_WO_926766_TV22047_DEC2021
- Sewer Type
- Gravity
- Material
- NRCP
- Shape
- Circular
- Height
- 12 in.
- Width
- 12 in.
- Upstream MH
- 22 0436
- Downstream MH
- 22 0435
- Dir. of Survey
- Downstream
- Length Surveyed
- 284.9 ft.
- Total Length
- 284.9 ft.
- Structural Index
- 3
- Structural Quick
- 413J
- Structural Rating
- 287
- O&M Index
- 2
- O&M Quick
- 2J00
- O&M Rating
- 112
- Overall Index
- 2
- Overall Quick
- —
- Overall Rating
- 399
Pipe schematic from manhole 22 0436 to 22 0435 Observation photos (4)

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

3 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start

74.6 ft. - Fracture Spiral, from 03 to 05 o'clock, within 8 inches of joint: YES

160 ft. - Fracture Multiple, from 10 to 01 o'clock, within 8 inches of joint: YES