Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0May 6, 2021, 10:35 AM
  • 30 0057_30 0056_562021_034525.mp4

Date
05/06/2021
W/O
0886345
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00878
PipeID
P17760
Time
3:35 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
H1798
Sewer Name
30 SOUTH BAY CITIES MAIN TRUNK
City
REDONDO BEACH
Loc. details
Alley
Location Code
H
Use of Sewer
Sanitary Sewer
District
District 30
Page No.
05
Purpose
Capital Improvement Program Assesment
Project
20210504MDM_SOUTH_BAY_CITIED_MAIN_TRUNK
Material
Reinforced Concrete Pipe
Shape
Circular
Height
24 in.
Upstream MH
30 0057
Downstream MH
30 0056
Dir. of Survey
Downstream
Length Surveyed
465.6 ft.
Total Length
465.6 ft.
Structural Index
3
Structural Quick
4422
Structural Rating
20
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
3
Overall Quick
Overall Rating
24
Pipe schematic from manhole 30 0057 to 30 0056
MH: 30 0057MH: 30 0056downstream0 ft. MWM - Water Mark, 30 %of cross sectional area0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. MGO - General Observation - MAG COAT 99% START0 ft. AMH - Upstream Manhole, Survey Begins - 3:40AM2 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - BLISTERING PEELING BCONCRETE8.5 ft. SAM - Surface Aggregate Missing, from 01 to 03 o'clock, within 8 inches of joint: NO - SEVERE AGG21.6 ft. SAM - Surface Aggregate Missing, from 09 to 11 o'clock, within 8 inches of joint: NO - SEVERE AGG84 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - ROCKS257.7 ft. SSS - Surface Spalling, from 08 to 11 o'clock, within 8 inches of joint: NO - PEELING CONCRETE257.7 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, from 06 to 08 o'clock, , within 8 inches of joint: NO - PEELED CONCRETE FROM PIPE388.7 ft. SAM - Surface Aggregate Missing, from 11 to 01 o'clock, within 8 inches of joint: NO - SEVERE AGG465.1 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - BLISTERING PEELING CONCRETE465.1 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish - ROCKS465.1 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - SEVERE AGG465.6 ft. AMH - Downstream Manhole, Survey Ends - 4:10AM

Observation photos (8)

  • General Observation - MAG COAT 99% START

    0 ft. - General Observation - MAG COAT 99% START

  • Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG

    2 ft. - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG

  • Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - BLISTERING PEELING BCONCRETE

    2 ft. - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - BLISTERING PEELING BCONCRETE

  • Surface Aggregate Missing, from 01 to 03 o'clock, within 8 inches of joint: NO - SEVERE AGG

    8.5 ft. - Surface Aggregate Missing, from 01 to 03 o'clock, within 8 inches of joint: NO - SEVERE AGG

  • Surface Aggregate Missing, from 09 to 11 o'clock, within 8 inches of joint: NO - SEVERE AGG

    21.6 ft. - Surface Aggregate Missing, from 09 to 11 o'clock, within 8 inches of joint: NO - SEVERE AGG

  • Surface Spalling, from 08 to 11 o'clock, within 8 inches of joint: NO - PEELING CONCRETE

    257.7 ft. - Surface Spalling, from 08 to 11 o'clock, within 8 inches of joint: NO - PEELING CONCRETE

  • Deposits Settled Other,  5 %of cross sectional area, from 06 to 08 o'clock,  , within 8 inches of joint: NO - PEELED CONCRETE FROM PIPE

    257.7 ft. - Deposits Settled Other, 5 %of cross sectional area, from 06 to 08 o'clock, , within 8 inches of joint: NO - PEELED CONCRETE FROM PIPE

  • Surface Aggregate Missing, from 11 to 01 o'clock, within 8 inches of joint: NO - SEVERE AGG

    388.7 ft. - Surface Aggregate Missing, from 11 to 01 o'clock, within 8 inches of joint: NO - SEVERE AGG

Observations (16)

DistanceCodeObservation
465.6AMH4:10AM
0MWM
465.1SSSBLISTERING PEELING CONCRETE
2SAMSEVERE AGG
84DSZROCKS
8.5SAMSEVERE AGG
0MWL
2SSSBLISTERING PEELING BCONCRETE
0MGOMAG COAT 99% START
465.1DSZROCKS
388.7SAMSEVERE AGG
465.1SAMSEVERE AGG
257.7SSSPEELING CONCRETE
21.6SAMSEVERE AGG
257.7DSZPEELED CONCRETE FROM PIPE
0AMH3:40AM

Properties (6)

custom_field_three
SEVERE AGG MISSING -99% MAG COAT
custom_field_two
5
customer
LACSD
datetime
2021-05-06T03:35:00-07:00
documentation
MARTIN,CASTILLO,RUVALCABA,BARR
is_lateral_inspection
false