- Date
- 09/04/2019
- W/O
- 787515
- Weather
- Dry
- Operator/Surveyor
- N.ZAHREDDINE
- Sewer ID
- Z00806
- PipeID
- P16502
- Time
- 1:07 AM
- Certificate
- U-109-7948
- System Owner
- LACSD
- Date Cleaned
- —
- Pre-Cleaning
- Not Known
- Media Label
- K6078
- Sewer Name
- 22 DISTRICT #22 MAIN RELIEF TRUNK
- City
- COVINA
- Loc. details
- Easement/Right of Way
- Location Code
- D
- Use of Sewer
- Sanitary Sewer
- District
- District 22
- Page No.
- 32
- Purpose
- Routine Assessment
- Project
- WO_787515_TV22107_SEP2019
- Sewer Type
- Gravity
- Material
- Reinforced Concrete Pipe
- Shape
- Circular
- Height
- 24 in.
- Width
- 24 in.
- Upstream MH
- 22 1241
- Downstream MH
- 22 1240
- Dir. of Survey
- Downstream
- Length Surveyed
- 148.2 ft.
- Total Length
- 148.2 ft.
- Structural Index
- 2
- Structural Quick
- 2E00
- Structural Rating
- 56
- O&M Index
- 2
- O&M Quick
- 2B00
- O&M Rating
- 26
- Overall Index
- 2
- Overall Quick
- —
- Overall Rating
- 82
Pipe schematic from manhole 22 1241 to 22 1240 Observation photos (4)

0 ft. - Upstream Manhole, Survey Begins - 22 1241

2 ft. - General Observation - MAGNEZIUM H.O COATING START

5.1 ft. - Surface Spalling, from 07 to 05 o'clock, within 8 inches of joint: YES, Start

83.1 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start