- Date
- 02/24/2020
- W/O
- 813491
- Weather
- Dry
- Operator/Surveyor
- S. LOPEZ
- Sewer ID
- Z00816
- PipeID
- P16795
- Time
- 10:45 PM
- Certificate
- U-111-11880
- System Owner
- LACSD
- Date Cleaned
- —
- Pre-Cleaning
- No Pre-Cleaning
- Media Label
- K7417
- Sewer Name
- 22 LARK ELLEN TRUNK, SECTS 4,5,&6
- City
- COVINA
- Loc. details
- Main Highway - Urban
- Location Code
- A
- Use of Sewer
- Sanitary Sewer
- District
- District 22
- Page No.
- 19
- Purpose
- Routine Assessment
- Project
- RFIR_WO_813491_TV22049_FEB2020
- Sewer Type
- Gravity
- Material
- NRCP
- Shape
- Circular
- Height
- 18 in.
- Width
- 18 in.
- Upstream MH
- 22 0457
- Downstream MH
- 22 0456
- Dir. of Survey
- Downstream
- Length Surveyed
- 248.3 ft.
- Total Length
- 248.3 ft.
- Structural Index
- 3
- Structural Quick
- 3I2I
- Structural Rating
- 245
- O&M Index
- 2
- O&M Quick
- 2I00
- O&M Rating
- 98
- Overall Index
- 2
- Overall Quick
- —
- Overall Rating
- 343
Pipe schematic from manhole 22 0457 to 22 0456 Observation photos (3)

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. - General Observation - 75% MAG COAT THROUGHOUT

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