Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0May 4, 2021, 09:15 AM
  • 30 0062_30 0061_542021_025144.mp4

Date
05/04/2021
W/O
0886345
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00878
PipeID
P17765
Time
2:15 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
H1796
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 0062
Downstream MH
30 0061
Dir. of Survey
Downstream
Length Surveyed
388.9 ft.
Total Length
388.9 ft.
Structural Index
4
Structural Quick
4321
Structural Rating
14
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
3
Overall Quick
Overall Rating
18
Pipe schematic from manhole 30 0062 to 30 0061
MH: 30 0062MH: 30 0061downstream0 ft. MWM - Water Mark, 30 %of cross sectional area0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 2:45AM2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - BLISTERING PEELING CONCRETE UNDER MAG COAT2 ft. MGO - General Observation - 99% MAG COAT START2 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG UNDER MAG COAT18.3 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: NO - SEVERE AGG133.7 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - ROCKS148.2 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish - ROCKS246.4 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES - SEVERE AGG298.8 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: NO, Start - ROCKS310.5 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: NO, Finish - ROCKS388.3 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - BLISTERING PEELING CONCRETE388.3 ft. MGO - General Observation - 99% MAG COAT FINISH388.3 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - SEVERE AGG388.9 ft. AMH - Downstream Manhole, Survey Ends - 3:10AM

Observation photos (5)

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

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

  • General Observation - 99% MAG COAT START

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

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

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

  • Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: NO - SEVERE AGG

    18.3 ft. - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: NO - SEVERE AGG

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

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

Observations (16)

DistanceCodeObservation
388.9AMH3:10AM
246.4SAMSEVERE AGG
298.8DSZROCKS
2SSSBLISTERING PEELING CONCRETE UNDER MAG COAT
133.7DSZROCKS
0MWM
0MWL
388.3SSSBLISTERING PEELING CONCRETE
2MGO99% MAG COAT START
388.3MGO99% MAG COAT FINISH
310.5DSZROCKS
0AMH2:45AM
388.3SAMSEVERE AGG
148.2DSZROCKS
2SAMSEVERE AGG UNDER MAG COAT
18.3SAMSEVERE AGG

Properties (6)

custom_field_three
SEVERE AGG MISSING UNDER 99% MAG COAT
custom_field_two
5
customer
LACSD
datetime
2021-05-04T02:15:17-07:00
documentation
MARTIN,OLIVER 111,CASTILLO,RUVALCABA
is_lateral_inspection
false