Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0May 7, 2021, 08:09 AM
  • 30 0055_30 0054_572021_011402.mp4

Date
05/07/2021
W/O
0886345
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00878
PipeID
P17758
Time
1:09 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
H1799
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
27 in.
Upstream MH
30 0055
Downstream MH
30 0054
Dir. of Survey
Downstream
Length Surveyed
522.8 ft.
Total Length
522.8 ft.
Structural Index
4
Structural Quick
5345
Structural Rating
37
O&M Index
3
O&M Quick
3222
O&M Rating
10
Overall Index
4
Overall Quick
Overall Rating
47
Pipe schematic from manhole 30 0055 to 30 0054
MH: 30 0055MH: 30 0054downstream0 ft. MWM - Water Mark, 30 %of cross sectional area0 ft. MWL - Water Level, 15 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 1:10AM2 ft. MGO - General Observation - MAG COAT 99% START2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - BLISTERING PEELING CONCRETE UNDER MAG COAT10 ft. MGO - General Observation - MAG COAT 70%10 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG10.2 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - SLUDGE ROCKS PAPER18.5 ft. MGO - General Observation - MAG COAT 95%115.2 ft. MGO - General Observation - GREASE ON MAG COAT123 ft. SAM - Surface Aggregate Missing, from 11 to 01 o'clock, within 8 inches of joint: NO - SEVERE AGG145 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish - SLUDGE ROCKS PAPER216.5 ft. SAM - Surface Aggregate Missing, from 01 to 03 o'clock, within 8 inches of joint: NO - SEVERE AGG260.9 ft. SAM - Surface Aggregate Missing, from 11 to 01 o'clock, within 8 inches of joint: NO - SEVERE AGG309.4 ft. SAM - Surface Aggregate Missing, from 12 to 04 o'clock, within 8 inches of joint: YES - SEVERE AGG310.3 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - PEELED CONCRET FROM PIPE316 ft. SRC - Surface Reinforcement Corroded, from 10 to 02 o'clock, within 8 inches of joint: NO - CIRCUM REBAR317.2 ft. SRC - Surface Reinforcement Corroded, from 01 to 03 o'clock, within 8 inches of joint: YES - CIRCUM REBAR330.7 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish - PEELED CONCRETE FROM PIPE351.9 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - SLUDGE ROCKS454.4 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - ROCKS PEELED CONCRETE507.1 ft. SRC - Surface Reinforcement Corroded, from 09 to 11 o'clock, within 8 inches of joint: YES - CIRCUM REBAR522.1 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - SEVERE AGG522.1 ft. MGO - General Observation - Conn. @ Mh, 3 O' Clock. Active522.1 ft. MGO - General Observation - 95% MAQG COAT FINISH522.1 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish - SLUDGE522.1 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish - SLUDGE522.1 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - BLISTERING PEELING CONCRETE522.8 ft. AMH - Downstream Manhole, Survey Ends - 2:50AM

Observation photos (12)

  • General Observation - MAG COAT 99% START

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

  • 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

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

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

  • Deposits Settled Other,  10 %of cross sectional area, from 05 to 07 o'clock,  , within 8 inches of joint: YES, Start - SLUDGE ROCKS PAPER

    10.2 ft. - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - SLUDGE ROCKS PAPER

  • General Observation - GREASE ON MAG COAT

    115.2 ft. - General Observation - GREASE ON MAG COAT

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

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

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

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

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

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

  • Surface Aggregate Missing, from 12 to 04 o'clock, within 8 inches of joint: YES - SEVERE AGG

    309.4 ft. - Surface Aggregate Missing, from 12 to 04 o'clock, within 8 inches of joint: YES - SEVERE AGG

  • Surface Reinforcement Corroded, from 10 to 02 o'clock, within 8 inches of joint: NO - CIRCUM REBAR

    316 ft. - Surface Reinforcement Corroded, from 10 to 02 o'clock, within 8 inches of joint: NO - CIRCUM REBAR

  • Surface Reinforcement Corroded, from 01 to 03 o'clock, within 8 inches of joint: YES - CIRCUM REBAR

    317.2 ft. - Surface Reinforcement Corroded, from 01 to 03 o'clock, within 8 inches of joint: YES - CIRCUM REBAR

  • Surface Reinforcement Corroded, from 09 to 11 o'clock, within 8 inches of joint: YES - CIRCUM REBAR

    507.1 ft. - Surface Reinforcement Corroded, from 09 to 11 o'clock, within 8 inches of joint: YES - CIRCUM REBAR

Observations (29)

DistanceCodeObservation
260.9SAMSEVERE AGG
145DSZSLUDGE ROCKS PAPER
309.4SAMSEVERE AGG
123SAMSEVERE AGG
310.3DSZPEELED CONCRET FROM PIPE
0MWM
522.1SAMSEVERE AGG
522.1MGOConn. @ Mh, 3 O' Clock. Active
454.4DSZROCKS PEELED CONCRETE
522.1MGO95% MAQG COAT FINISH
351.9DSZSLUDGE ROCKS
316SRCCIRCUM REBAR
18.5MGOMAG COAT 95%
2MGOMAG COAT 99% START
10MGOMAG COAT 70%
10SAMSEVERE AGG
522.1DSZSLUDGE
522.1DSZSLUDGE
522.8AMH2:50AM
2SSSBLISTERING PEELING CONCRETE UNDER MAG COAT
507.1SRCCIRCUM REBAR
216.5SAMSEVERE AGG
317.2SRCCIRCUM REBAR
0MWL
0AMH1:10AM
10.2DSZSLUDGE ROCKS PAPER
522.1SSSBLISTERING PEELING CONCRETE
115.2MGOGREASE ON MAG COAT
330.7DSZPEELED CONCRETE FROM PIPE

Properties (6)

custom_field_three
CIRCUM REBAR CORRODED
custom_field_two
2
customer
LACSD
datetime
2021-05-07T01:09:50-07:00
documentation
MARTIN,CASTILLO,RUVALCABA,BARR
is_lateral_inspection
false