- Date
- 10/18/2019
- W/O
- 787682
- Weather
- Dry
- Operator/Surveyor
- J. BUENROSTRO
- Sewer ID
- Z00763
- PipeID
- P25691
- Time
- 10:13 AM
- Certificate
- U-715-07000770
- System Owner
- LACSD
- Date Cleaned
- —
- Pre-Cleaning
- Not Known
- Media Label
- K7063
- Sewer Name
- 21 DISTRICT #21 OUTFALL TRUNK
- City
- WALNUT
- Loc. details
- Easement/Right of Way
- Location Code
- D
- Use of Sewer
- Sanitary Sewer
- District
- District 21
- Page No.
- 28
- Purpose
- Routine Assessment
- Project
- RFIR_WO_787682_TV21096_SEP2019
- Sewer Type
- Gravity
- Material
- Vitrified Clay Pipe
- Shape
- Circular
- Height
- 27 in.
- Width
- 27 in.
- Upstream MH
- 21 1300
- Downstream MH
- 21 1299
- Dir. of Survey
- Downstream
- Length Surveyed
- 385.6 ft.
- Total Length
- 385.6 ft.
- Structural Index
- 1
- Structural Quick
- 1M00
- Structural Rating
- 70
- O&M Index
- 2
- O&M Quick
- 2H00
- O&M Rating
- 88
- Overall Index
- 1
- Overall Quick
- —
- Overall Rating
- 158
Pipe schematic from manhole 21 1300 to 21 1299 Observation photos (4)

0 ft. - Upstream Manhole, Survey Begins - 21 1300

12.1 ft. - General Observation - SLIM COAT THROUGHOUT

37.1 ft. - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

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