Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0May 8, 2021, 07:14 AM
  • 30 0048_30 0047_582021_004857.mp4

Date
05/08/2021
W/O
0886345
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00878
PipeID
P17751
Time
12:14 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
H1800
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 0047
Downstream MH
30 0048
Dir. of Survey
Upstream
Length Surveyed
293.9 ft.
Total Length
293.9 ft.
Structural Index
4
Structural Quick
5343
Structural Rating
31
O&M Index
3
O&M Quick
3121
O&M Rating
5
Overall Index
4
Overall Quick
Overall Rating
36
Pipe schematic from manhole 30 0047 to 30 0048
MH: 30 0047MH: 30 0048upstream0 ft. AMH - Upstream Manhole, Survey Ends - 1:05AM0.4 ft. MGO - General Observation - 98% MAG COAT FINISH0.4 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish - PEELED CONCRETE FROM PIPE0.4 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - SEVERE AGG0.4 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - BLISTERING PEELING CONCRETE0.4 ft. MGO - General Observation - Conn. @ Mh, 9 O' Clock. Active3.6 ft. SRC - Surface Reinforcement Corroded, from 08 to 10 o'clock, within 8 inches of joint: NO - CIRCUM REBAR5.7 ft. SRC - Surface Reinforcement Corroded, from 01 to 04 o'clock, within 8 inches of joint: NO - CIRCUM REBAR8.7 ft. SRV - Surface Reinforcement Visible, from 02 to 04 o'clock, within 8 inches of joint: YES - CIRCUM REBAR10.1 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES - SEVERE AGG18.6 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish - SLUDGE DEBRIE18.6 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - PEELED CONCRETE FROM PIPE32.8 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: NO - PEELING CONCRETE UNDER MAG COAT94.2 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - SLUDGE DEBRIE162 ft. SAM - Surface Aggregate Missing, from 09 to 11 o'clock, within 8 inches of joint: NO - SEVERE AGG241.2 ft. MGO - General Observation - GREASE ON MAG COAT291.9 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SSEVERE AGG291.9 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - BLISTERING PEELING CONCRETE291.9 ft. MGO - General Observation - 98% MAG COAT START293.9 ft. AMH - Downstream Manhole, Survey Begins - 12:35AM293.9 ft. MWM - Water Mark, 30 %of cross sectional area293.9 ft. MWL - Water Level, 10 %of cross sectional area

Observation photos (11)

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

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

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

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

  • General Observation - 98% MAG COAT START

    2 ft. - General Observation - 98% MAG COAT START

  • General Observation - GREASE ON MAG COAT

    52.7 ft. - General Observation - GREASE ON MAG COAT

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

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

  • Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: NO - PEELING CONCRETE UNDER MAG COAT

    261.1 ft. - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: NO - PEELING CONCRETE UNDER MAG COAT

  • Deposits Settled Other,  20 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start - PEELED CONCRETE FROM PIPE

    275.3 ft. - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - PEELED CONCRETE FROM PIPE

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

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

  • Surface Reinforcement Visible, from 02 to 04 o'clock, within 8 inches of joint: YES - CIRCUM REBAR

    285.2 ft. - Surface Reinforcement Visible, from 02 to 04 o'clock, within 8 inches of joint: YES - CIRCUM REBAR

  • Surface Reinforcement Corroded, from 01 to 04 o'clock, within 8 inches of joint: NO - CIRCUM REBAR

    288.2 ft. - Surface Reinforcement Corroded, from 01 to 04 o'clock, within 8 inches of joint: NO - CIRCUM REBAR

  • Surface Reinforcement Corroded, from 08 to 10 o'clock, within 8 inches of joint: NO - CIRCUM REBAR

    290.3 ft. - Surface Reinforcement Corroded, from 08 to 10 o'clock, within 8 inches of joint: NO - CIRCUM REBAR

Observations (22)

DistanceCodeObservation
0AMH12:35AM
199.7DSZSLUDGE DEBRIE
2SAMSSEVERE AGG
2SSSBLISTERING PEELING CONCRETE
52.7MGOGREASE ON MAG COAT
293.9AMH1:05AM
275.3DSZSLUDGE DEBRIE
131.9SAMSEVERE AGG
293.5MGO98% MAG COAT FINISH
293.5DSZPEELED CONCRETE FROM PIPE
275.3DSZPEELED CONCRETE FROM PIPE
283.8SAMSEVERE AGG
293.5SAMSEVERE AGG
285.2SRVCIRCUM REBAR
288.2SRCCIRCUM REBAR
261.1SSSPEELING CONCRETE UNDER MAG COAT
0MWM
293.5SSSBLISTERING PEELING CONCRETE
0MWL
2MGO98% MAG COAT START
290.3SRCCIRCUM REBAR
293.5MGOConn. @ Mh, 9 O' Clock. Active

Properties (6)

custom_field_three
CIRCUM REBAR CORRODED- 98% MAG COAT
custom_field_two
2
customer
LACSD
datetime
2021-05-08T00:14:28-07:00
documentation
MARTIN,CASTILLO,RUVALCABA,BARR
is_lateral_inspection
false