- Date
- 04/18/2019
- W/O
- 761208
- Weather
- Dry
- Operator/Surveyor
- S. LOPEZ
- Sewer ID
- Z00777
- PipeID
- P15677
- Time
- 11:19 PM
- Certificate
- U-111-11880
- System Owner
- LACSD
- Date Cleaned
- —
- Pre-Cleaning
- No Pre-Cleaning
- Media Label
- K6507
- 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
- RFIR_WO_761208_TV21084_APR2019
- Sewer Type
- Gravity
- Material
- Vitrified Clay Pipe
- Shape
- Circular
- Height
- 15 in.
- Width
- 15 in.
- Upstream MH
- 21 0467A
- Downstream MH
- 21 0467
- Dir. of Survey
- Downstream
- Length Surveyed
- 206.4 ft.
- Total Length
- 206.4 ft.
- Structural Index
- 3
- Structural Quick
- 3200
- Structural Rating
- 6
- O&M Index
- 2
- O&M Quick
- 2200
- O&M Rating
- 4
- Overall Index
- 3
- Overall Quick
- —
- Overall Rating
- 10
Pipe schematic from manhole 21 0467A to 21 0467 Observation photos (4)

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

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

81.2 ft. - Deposits Attached Other, 5 %of cross sectional area, from 03 to 05 o'clock, , within 8 inches of joint: YES - MINERALS

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