- Date
- 03/10/2021
- W/O
- 880089
- Weather
- Dry
- Operator/Surveyor
- M.MARTINEZ
- Sewer ID
- Z00762
- PipeID
- P15628
- Time
- 2:52 AM
- Certificate
- U-115-06022794
- System Owner
- 1
- Date Cleaned
- —
- Pre-Cleaning
- Not Known
- Media Label
- K8631
- Sewer Name
- 21 DIAMOND BAR TRUNK
- City
- DIAMOND BAR
- Loc. details
- Light Highway
- Location Code
- C
- Use of Sewer
- Sanitary Sewer
- District
- District 21
- Page No.
- 36
- Purpose
- Routine Assessment
- Project
- WO_880089_TV21006_MAR2021
- Sewer Type
- Gravity
- Material
- Vitrified Clay Pipe
- Shape
- Circular
- Height
- 18 in.
- Width
- 18 in.
- Upstream MH
- 21 0421
- Downstream MH
- 21 0420
- Dir. of Survey
- Downstream
- Length Surveyed
- 355.2 ft.
- Total Length
- 355.2 ft.
- Structural Index
- 4
- Structural Quick
- 4131
- Structural Rating
- 7
- O&M Index
- 2
- O&M Quick
- 2M11
- O&M Rating
- 141
- Overall Index
- 2
- Overall Quick
- —
- Overall Rating
- 148
Pipe schematic from manhole 21 0421 to 21 0420 Observation photos (4)

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

88.5 ft. - Roots Fine Joint, at 08 o'clock, within 8 inches of joint: YES

164.8 ft. - Fracture Spiral, from 12 to 03 o'clock, within 8 inches of joint: YES

175.7 ft. - Fracture Multiple, from 09 to 01 o'clock, within 8 inches of joint: YES