Date 02/20/2019
W/O 0755681
Weather Dry
Operator/Surveyor SANTIAGO OBREGON
Sewer ID Z00547
PipeID P06164
Time 12:55 PM
Certificate U-1014-06022541
System Owner LACSD
Date Cleaned —
Pre-Cleaning Not Known
Media Label G7919
Sewer Name 05 120TH STREET EXTENSION TRUNK
City EL SEGUNDO
Loc. details Parking Lot
Location Code G
Use of Sewer Sanitary Sewer
District District 05
Page No. 12
Purpose Capital Improvement Program Assesment
Project 20190220SHO_120TH_STREET_EXTENSION_TRUNK
Material NRCP
Shape Circular
Height 15 in.
Upstream MH 05 0932
Downstream MH 05 0931
Dir. of Survey Downstream
Length Surveyed 278.5 ft.
Total Length 278.5 ft.
Structural Index 2
Structural Quick 3122
Structural Rating 7
O&M Index 0
O&M Quick 0000
O&M Rating 0
Overall Index 2
Overall Quick —
Overall Rating 7 Pipe schematic from manhole 05 0932 to 05 0931 MH: 05 0932 MH: 05 0931 downstream 0 ft. AMH - Upstream Manhole, Survey Begins - MH 0932 0 ft. MWM - Water Mark, 30 %of cross sectional area 0 ft. MWL - Water Level, 25 %of cross sectional area 0 ft. MGO - General Observation - STUB CONENCTIOIN IN THE MH @ 9 4.1 ft. MGO - General Observation - 50% MAG COAT INTACT 4.1 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start 54.7 ft. SSS - Surface Spalling, at 03 o'clock, within 8 inches of joint: YES 91.8 ft. TFC - Tap Factory Made Capped, at 12 o'clock, -, within 8 inches of joint: NO, 6" 125 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - 8 & 4 O CLOCK POSITIONS IN THE PIPE ARE ESPECIALLY EATEN/SPALLING AWAY 143.3 ft. TF - Tap Factory Made, at 12 o'clock, -, within 8 inches of joint: NO, 6" 197.9 ft. TFC - Tap Factory Made Capped, at 12 o'clock, -, within 8 inches of joint: NO, 6" 249.7 ft. TFC - Tap Factory Made Capped, at 12 o'clock, -, within 8 inches of joint: NO, 6" 276.2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish 276.2 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish 278.5 ft. AMH - Downstream Manhole, Survey Ends - MH 0931 278.5 ft. MGO - General Observation - ACTIVE CONNECTION IN THE MH @ 5 Observation photos (4) 4.1 ft. - General Observation - 50% MAG COAT INTACT
4.1 ft. - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start
54.7 ft. - Surface Spalling, at 03 o'clock, within 8 inches of joint: YES
125 ft. - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - 8 & 4 O CLOCK POSITIONS IN THE PIPE ARE ESPECIALLY EATEN/SPALLING AWAY