- Date
- 04/25/2017
- W/O
- 630321
- Weather
- Dry
- Operator/Surveyor
- JUAN B
- Sewer ID
- Z00777
- PipeID
- P15675
- Time
- 10:19 PM
- Certificate
- U-715-07000770
- System Owner
- LACSD
- Date Cleaned
- —
- Pre-Cleaning
- Not Known
- Media Label
- K4514
- Sewer Name
- 21 MOUNT SAN ANTONIO TRUNK
- City
- WALNUT
- Loc. details
- Main Highway - Urban
- Location Code
- A
- Use of Sewer
- Sanitary Sewer
- District
- District 21
- Page No.
- 17
- Purpose
- Routine Assessment
- Project
- WO_630321_TV21046_APR2017
- Sewer Type
- Gravity
- Material
- Vitrified Clay Pipe
- Shape
- Circular
- Height
- 15 in.
- Width
- 15 in.
- Upstream MH
- 21 0466
- Downstream MH
- 21 0465
- Dir. of Survey
- Downstream
- Length Surveyed
- 246.8 ft.
- Total Length
- 246.8 ft.
- Structural Index
- 3
- Structural Quick
- 3200
- Structural Rating
- 6
- O&M Index
- 2
- O&M Quick
- 2100
- O&M Rating
- 2
- Overall Index
- 3
- Overall Quick
- —
- Overall Rating
- 8
Pipe schematic from manhole 21 0466 to 21 0465 Observation photos (3)

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

20.2 ft. - Fracture Spiral, from 02 to 06 o'clock, within 8 inches of joint: YES

25.4 ft. - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start