Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0May 10, 2021, 08:35 AM
  • 30 0037_30 0036_5102021_014853.mp4

Date
05/10/2021
W/O
0886345
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00878
PipeID
P17740
Time
1:35 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
H1801
Sewer Name
30 SOUTH BAY CITIES MAIN TRUNK
City
REDONDO BEACH
Loc. details
Light Highway
Location Code
C
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 0037
Downstream MH
30 0036
Dir. of Survey
Downstream
Length Surveyed
322.8 ft.
Total Length
322.8 ft.
Structural Index
4
Structural Quick
5142
Structural Rating
15
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
3
Overall Quick
Overall Rating
19
Pipe schematic from manhole 30 0037 to 30 0036
MH: 30 0037MH: 30 0036downstream0 ft. MWM - Water Mark, 30 %of cross sectional area0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 1:35AM2 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 - 98% MAG COAT START3.7 ft. SRC - Surface Reinforcement Corroded, from 11 to 02 o'clock, within 8 inches of joint: NO - CIRCUM REBAR UNDER MAG COAT16.7 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - ROCKS SLUDGE24.7 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG105.6 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: NO - SEVERE AGG109.6 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - PEELED CONCRETE FROM PIPE156 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish - PEELED CONCRETE FROM PIPE322.2 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish - ROCKS SLUDGE322.2 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - SEVERE AGG322.2 ft. MGO - General Observation - 98% MAG COAT FINISH322.2 ft. MGO - General Observation - Conn. @ Mh, 9 O' Clock. Active322.2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - BLISTERING PEELING CONCRETE322.8 ft. AMH - Downstream Manhole, Survey Ends - 2:00AM

Observation photos (6)

  • 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 - 98% MAG COAT START

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

  • Surface Reinforcement Corroded, from 11 to 02 o'clock, within 8 inches of joint: NO - CIRCUM REBAR UNDER MAG COAT

    3.7 ft. - Surface Reinforcement Corroded, from 11 to 02 o'clock, within 8 inches of joint: NO - CIRCUM REBAR UNDER MAG COAT

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

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

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

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

  • Deposits Settled Other,  10 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start - PEELED CONCRETE FROM PIPE

    109.6 ft. - Deposits Settled Other, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - PEELED CONCRETE FROM PIPE

Observations (17)

DistanceCodeObservation
322.2DSZROCKS SLUDGE
322.8AMH2:00AM
322.2SAMSEVERE AGG
109.6DSZPEELED CONCRETE FROM PIPE
3.7SRCCIRCUM REBAR UNDER MAG COAT
322.2MGO98% MAG COAT FINISH
0MWM
322.2MGOConn. @ Mh, 9 O' Clock. Active
0MWL
322.2SSSBLISTERING PEELING CONCRETE
2SSSBLISTERING PEELING CONCRETE UNDER MAG COAT
2MGO98% MAG COAT START
24.7SAMSEVERE AGG
105.6SAMSEVERE AGG
16.7DSZROCKS SLUDGE
156DSZPEELED CONCRETE FROM PIPE
0AMH1:35AM

Properties (6)

custom_field_three
CIRCUM REBAR CORRODED-98% MAG COAT
custom_field_two
2
customer
LACSD
datetime
2021-05-10T01:35:58-07:00
documentation
MARTIN,OLIVER 111,RUVALCABA,BARR
is_lateral_inspection
false