- Date
- 08/12/2019
- W/O
- 782270
- Weather
- Dry
- Operator/Surveyor
- J. VARGAS
- Sewer ID
- Z00767
- PipeID
- P15803
- Time
- 2:10 AM
- Certificate
- U-209-8149
- System Owner
- LACSD
- Date Cleaned
- —
- Pre-Cleaning
- No Pre-Cleaning
- Media Label
- K6777
- Sewer Name
- 21 FIRST ST TR, SECT 1A & CONNS TO 1ST ST TR SYSTM
- City
- POMONA
- Loc. details
- Light Highway
- Location Code
- C
- Use of Sewer
- Sanitary Sewer
- District
- District 21
- Page No.
- 14
- Purpose
- Routine Assessment
- Project
- RFIR_WO_782270_TV21099_AUG2019
- Sewer Type
- Gravity
- Material
- Reinforced Concrete Pipe
- Shape
- Rectangular
- Height
- 21 in.
- Width
- 21 in.
- Upstream MH
- 21 0650
- Downstream MH
- 21 0649
- Dir. of Survey
- Downstream
- Length Surveyed
- 342.1 ft.
- Total Length
- 342.1 ft.
- Structural Index
- 3
- Structural Quick
- 3M2M
- Structural Rating
- 340
- O&M Index
- 2
- O&M Quick
- 2M16
- O&M Rating
- 142
- Overall Index
- 2
- Overall Quick
- —
- Overall Rating
- 482
Pipe schematic from manhole 21 0650 to 21 0649 Observation photos (6)

0 ft. - Upstream Manhole, Survey Begins - 21 0650

2 ft. - Surface Spalling, from 08 to 04 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

2 ft. - General Observation - MAG COAT THROUGHOUT

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

126 ft. - Alignment Left, 5 %, Start