Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jun 4, 2020, 10:05 AM

  • 30 0037_30 0036_642020_031346.mp4

Date
06/04/2020
W/O
0823790
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00878
PipeID
P17740
Time
3:05 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
H1438
Sewer Name
30 SOUTH BAY CITIES MAIN TRUNK
City
HERMOSA BEACH
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 30
Page No.
04
Purpose
Capital Improvement Program Assesment
Project
20200602_SOUTH_BAY_CITIES_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
320.6 ft.
Total Length
320.6 ft.
Structural Index
4
Structural Quick
5243
Structural Rating
24
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
4
Overall Quick
—
Overall Rating
28
Pipe schematic from manhole 30 0037 to 30 0036
MH: 30 0037MH: 30 0036downstream0 ft. AMH - Upstream Manhole, Survey Begins - 3:20AM0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. MWM - Water Mark, 30 %of cross sectional area2 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 CONCRETE UNDER MAG COAT START2 ft. MGO - General Observation - MAG COAT 98% START2.8 ft. SRC - Surface Reinforcement Corroded, from 10 to 02 o'clock, within 8 inches of joint: NO - CIRCUM REBAR UNDER MAG COAT8.8 ft. SRC - Surface Reinforcement Corroded, from 12 to 01 o'clock, within 8 inches of joint: NO - CIRCUM REBAR31.7 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - SLUDGE36.7 ft. SAM - Surface Aggregate Missing, from 09 to 11 o'clock, within 8 inches of joint: NO - SEVERE AGG135.2 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES - SEVERE AGG139.5 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 07 to 05 o'clock, , within 8 inches of joint: NO - SLUDGE ROCKS320 ft. MGO - General Observation - 98% MAG COAT FINISH320 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish - SLUDGE320 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - SEVERE AGG320 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - BLISTERING PEELING CONCRETE320 ft. MGO - General Observation - MH CONN 9:00 ACTIVE320.6 ft. AMH - Downstream Manhole, Survey Ends - 3:45AM

Observation photos (6)

  • 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 CONCRETE UNDER MAG COAT START

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

  • General Observation - MAG COAT 98% START

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

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

    2.8 ft. - Surface Reinforcement Corroded, from 10 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 - SEVERE AGG

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

  • Deposits Settled Other, 10 %of cross sectional area, from 07 to 05 o'clock, , within 8 inches of joint: NO - SLUDGE ROCKS

    139.5 ft. - Deposits Settled Other, 10 %of cross sectional area, from 07 to 05 o'clock, , within 8 inches of joint: NO - SLUDGE ROCKS

All inspections of P17740Work order 0823790

Observations (18)

DistanceCodeObservation
8.8SRCCIRCUM REBAR
2.8SRCCIRCUM REBAR UNDER MAG COAT
0AMH3:20AM
0MWL—
320MGO98% MAG COAT FINISH
320DSZSLUDGE
2SAMSEVERE AGG
31.7DSZSLUDGE
320SAMSEVERE AGG
320SSSBLISTERING PEELING CONCRETE
320.6AMH3:45AM
0MWM—
135.2SAMSEVERE AGG
320MGOMH CONN 9:00 ACTIVE
2SSSBLISTERING PEELING CONCRETE UNDER MAG COAT START
2MGOMAG COAT 98% START
139.5DSZSLUDGE ROCKS
36.7SAMSEVERE AGG

Properties (6)

custom_field_three
CIRCUM REBAR CORRODED-98% MAG COAT
custom_field_two
2
customer
LACSD
datetime
2020-06-04T03:05:35-07:00
documentation
MARTIN,OLIVER 111,SHADLER,SKINNER
is_lateral_inspection
false