Date 12/02/2021
W/O 0917236
Weather Dry
Operator/Surveyor SANTIAGO OBREGON
Sewer ID Z00827
PipeID P27150
Time 9:58 AM
Certificate U-1014-06022541
System Owner LACSD
Date Cleaned —
Pre-Cleaning Not Known
Media Label H2033
Sewer Name 22 SUNFLOWER TRUNK
City SAN DIMAS
Loc. details Light Highway
Location Code C
Use of Sewer Sanitary Sewer
District District 22
Page No. 15
Purpose Routine Assessment
Project 20211202SHO_SUNFLOWER_TRUNK
Material Vitrified Clay Pipe
Shape Circular
Height 15 in.
Upstream MH 22 1467
Downstream MH 22 1466
Dir. of Survey Downstream
Length Surveyed 292.7 ft.
Total Length 292.7 ft.
Structural Index 2
Structural Quick 2100
Structural Rating 2
O&M Index 2
O&M Quick 2100
O&M Rating 2
Overall Index 2
Overall Quick —
Overall Rating 4 Pipe schematic from manhole 22 1467 to 22 1466 MH: 22 1467 MH: 22 1466 downstream 0 ft. MWM - Water Mark, 25 %of cross sectional area 0 ft. MWL - Water Level, 20 %of cross sectional area 0 ft. AMH - Upstream Manhole, Survey Begins - MH 1467 37.6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: NO, Start - SLIGHT GREASE THROUGHOUT 99.6 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start 227.5 ft. TF - Tap Factory Made, at 02 o'clock, -, within 8 inches of joint: NO, 4" 231.1 ft. TF - Tap Factory Made, at 02 o'clock, -, within 8 inches of joint: NO, 4" 253.1 ft. TF - Tap Factory Made, at 02 o'clock, -, within 8 inches of joint: NO, 4" 290 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish 290 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: NO, Finish 292.7 ft. AMH - Downstream Manhole, Survey Ends - MH 1466 Observation photos (2) 37.6 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: NO, Start - SLIGHT GREASE THROUGHOUT
99.6 ft. - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start