- Date
- 07/01/2019
- W/O
- 771940
- Weather
- Dry
- Operator/Surveyor
- S. LOPEZ
- Sewer ID
- Z00751
- PipeID
- P19257
- Time
- 10:44 PM
- Certificate
- U-111-11880
- System Owner
- LACSD
- Date Cleaned
- —
- Pre-Cleaning
- No Pre-Cleaning
- Media Label
- K6622
- Sewer Name
- 20 20TH STREET EAST RELIEF TRUNK
- City
- PALMDALE
- Loc. details
- Light Highway
- Location Code
- C
- Use of Sewer
- Sanitary Sewer
- District
- District 20
- Page No.
- 12
- Purpose
- Routine Assessment
- Project
- RFIR_WO_771940_TV20025_JUN2019
- Sewer Type
- Gravity
- Material
- NRCP
- Shape
- Circular
- Height
- 12 in.
- Width
- 12 in.
- Upstream MH
- 20 0291
- Downstream MH
- 20 0290
- Dir. of Survey
- Downstream
- Length Surveyed
- 196.7 ft.
- Total Length
- 196.7 ft.
- Structural Index
- 2
- Structural Quick
- 3G2N
- Structural Rating
- 266
- O&M Index
- 2
- O&M Quick
- 312G
- O&M Rating
- 81
- Overall Index
- 2
- Overall Quick
- —
- Overall Rating
- 347
Pipe schematic from manhole 20 0291 to 20 0290 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. - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

66.9 ft. - Roots Medium Lateral, from 01 to 04 o'clock, 10 %, within 8 inches of joint: YES - 5% ROOTS