- Date
- 07/12/2019
- W/O
- 772198
- Weather
- Dry
- Operator/Surveyor
- S. LOPEZ
- Sewer ID
- Z00749
- PipeID
- P19992
- Time
- 12:41 AM
- Certificate
- U-111-11880
- System Owner
- LACSD
- Date Cleaned
- —
- Pre-Cleaning
- No Pre-Cleaning
- Media Label
- K6632
- Sewer Name
- 20 10TH STREET EAST CONNECTION TRUNK
- City
- PALMDALE
- Loc. details
- Light Highway
- Location Code
- C
- Use of Sewer
- Sanitary Sewer
- District
- District 20
- Page No.
- 07
- Purpose
- Routine Assessment
- Project
- RFIR_WO_772198_TV20064_JUN2019
- Sewer Type
- Gravity
- Material
- Vitrified Clay Pipe
- Shape
- Circular
- Height
- 10 in.
- Width
- 10 in.
- Upstream MH
- 20 0421B
- Downstream MH
- 20 0421A
- Dir. of Survey
- Downstream
- Length Surveyed
- 222.7 ft.
- Total Length
- 222.7 ft.
- Structural Index
- 3
- Structural Quick
- 3C21
- Structural Rating
- 59
- O&M Index
- 2
- O&M Quick
- 2H00
- O&M Rating
- 88
- Overall Index
- 2
- Overall Quick
- —
- Overall Rating
- 147
Pipe schematic from manhole 20 0421B to 20 0421A Observation photos (6)

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

109.2 ft. - Crack Spiral, from 11 to 12 o'clock, within 8 inches of joint: YES

133.4 ft. - Crack Multiple, from 12 to 04 o'clock, within 8 inches of joint: YES

135.5 ft. - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

173.2 ft. - Fracture Spiral, from 02 to 03 o'clock, within 8 inches of joint: YES

222.7 ft. - General Observation - COCKROACHES IN MANHOLE