Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 21, 2021, 09:00 AM

  • 30.0052_30 0051_7212021_023135.mp4

Date
07/21/2021
W/O
0896127
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00878
PipeID
P17755
Time
2:00 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
H1883
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
20210721MDM_SOUTH_CITIES_MAIN_TRUNK
Material
Reinforced Concrete Pipe
Shape
Circular
Height
27 in.
Upstream MH
30.0052
Downstream MH
30 0051
Dir. of Survey
Downstream
Length Surveyed
276.7 ft.
Total Length
276.7 ft.
Structural Index
4
Structural Quick
5341
Structural Rating
21
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
4
Overall Quick
—
Overall Rating
23
Pipe schematic from manhole 30.0052 to 30 0051
MH: 30.0052MH: 30 0051downstream0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 2:15AM0 ft. MGO - General Observation - Conn. @ Mh, 3 O' Clock. Active0 ft. MGO - General Observation - Conn. @ Mh, 9 O' Clock. Active0 ft. MWM - Water Mark, 30 %of cross sectional area2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - PEELING CONCRETE2 ft. SRC - Surface Reinforcement Corroded, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - CIRCUM REBAR2 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG6.8 ft. SRC - Surface Reinforcement Corroded, from 08 to 04 o'clock, within 8 inches of joint: NO - CIRCUM REBAR13.9 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - ROCKS38.7 ft. SRC - Surface Reinforcement Corroded, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - CIRCUM72.5 ft. SRC - Surface Reinforcement Corroded, from 09 to 10 o'clock, within 8 inches of joint: NO - CIRCUM276 ft. MGO - General Observation - Conn. @ Mh, 3 O' Clock. OPEN276 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - PEELING CONCRETE276 ft. SAM - Surface Aggregate Missing, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - SEVERE AGG276 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish - ROCKS276.7 ft. AMH - Downstream Manhole, Survey Ends - 2:45AM

Observation photos (5)

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

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

  • Surface Reinforcement Corroded, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - CIRCUM REBAR

    2 ft. - Surface Reinforcement Corroded, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - CIRCUM REBAR

  • 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 Reinforcement Corroded, from 08 to 04 o'clock, within 8 inches of joint: NO - CIRCUM REBAR

    6.8 ft. - Surface Reinforcement Corroded, from 08 to 04 o'clock, within 8 inches of joint: NO - CIRCUM REBAR

  • Surface Reinforcement Corroded, from 09 to 10 o'clock, within 8 inches of joint: NO - CIRCUM

    72.5 ft. - Surface Reinforcement Corroded, from 09 to 10 o'clock, within 8 inches of joint: NO - CIRCUM

All inspections of P17755Work order 0896127

Observations (17)

DistanceCodeObservation
0MWL—
0AMH2:15AM
0MGOConn. @ Mh, 3 O' Clock. Active
276.7AMH2:45AM
6.8SRCCIRCUM REBAR
276MGOConn. @ Mh, 3 O' Clock. OPEN
13.9DSZROCKS
72.5SRCCIRCUM
2SSSPEELING CONCRETE
276SSSPEELING CONCRETE
0MGOConn. @ Mh, 9 O' Clock. Active
0MWM—
276SAMSEVERE AGG
2SRCCIRCUM REBAR
38.7SRCCIRCUM
2SAMSEVERE AGG
276DSZROCKS

Properties (6)

custom_field_three
CIRCUM REBAR CORRODED
custom_field_two
2
customer
LACSD
datetime
2021-07-21T02:00:34-07:00
documentation
MARTIN,OLIVER 111,REVELES,RAMIERZ
is_lateral_inspection
false