Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Feb 28, 2020, 10:35 AM
  • A 0519_A 0518_2282020_024523.mp4

Date
02/28/2020
W/O
0813455
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00315
PipeID
P07755
Time
2:35 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
H13701
Sewer Name
A JOA-1A DISTRICT 5 INTERCEPTOR
City
GARDENA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 05
Page No.
17
Purpose
Routine Assessment
Project
20200220MDM_JOA_1A_DISTRICT_5_INTERCEPTOR
Material
Reinforced Concrete Pipe
Shape
Circular
Height
54 in.
Upstream MH
A 0519
Downstream MH
A 0518
Dir. of Survey
Downstream
Length Surveyed
742.8 ft.
Total Length
742.8 ft.
Structural Index
3
Structural Quick
3621
Structural Rating
20
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
22
Pipe schematic from manhole A 0519 to A 0518
MH: A 0519MH: A 0518downstream0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 2:50AM0 ft. MWM - Water Mark, 20 %of cross sectional area1 ft. MGO - General Observation - POSSIBLE OLD HIGH WATER MARK AT 3:00 TO 9:002 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - BLISTERING PEELING CONCRETE2 ft. MGO - General Observation - 25% OLD MAG COAT9:00 TO 3:002 ft. SAV - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG SPORATIC8 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start26.1 ft. SAV - Surface Aggregate Visible, from 02 to 03 o'clock, within 8 inches of joint: NO - SEVERE AGG SPORATIC26.1 ft. MGO - General Observation - 70% MAG COAT START46.6 ft. SAV - Surface Aggregate Visible, from 09 to 11 o'clock, within 8 inches of joint: NO - SEVERE AGG141.7 ft. SAV - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: NO - SEVERE AGG375.7 ft. SAV - Surface Aggregate Visible, at 01 o'clock, within 8 inches of joint: YES - SEVERE AGG634.7 ft. SAV - Surface Aggregate Visible, from 01 to 03 o'clock, within 8 inches of joint: NO - SEVEREAGG742.2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - BLISTERING PEELING CONCRETE742.2 ft. SAV - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish - SEVERE AGG742.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish742.2 ft. MGO - General Observation - MAG COAT 70% FINISH742.8 ft. AMH - Downstream Manhole, Survey Ends - 3:45AM

Observation photos (8)

  • 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 - 25% OLD MAG COAT9:00 TO 3:00

    2 ft. - General Observation - 25% OLD MAG COAT9:00 TO 3:00

  • Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG SPORATIC

    2 ft. - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Start - SEVERE AGG SPORATIC

  • Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start

    8 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

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

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

  • Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: NO - SEVERE AGG

    141.7 ft. - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: NO - SEVERE AGG

  • Surface Aggregate Visible, at 01 o'clock, within 8 inches of joint: YES - SEVERE AGG

    375.7 ft. - Surface Aggregate Visible, at 01 o'clock, within 8 inches of joint: YES - SEVERE AGG

  • Surface Aggregate Visible, from 01 to 03 o'clock, within 8 inches of joint: NO - SEVEREAGG

    634.7 ft. - Surface Aggregate Visible, from 01 to 03 o'clock, within 8 inches of joint: NO - SEVEREAGG

Observations (19)

DistanceCodeObservation
2SSSBLISTERING PEELING CONCRETE
141.7SAVSEVERE AGG
2MGO25% OLD MAG COAT9:00 TO 3:00
26.1SAVSEVERE AGG SPORATIC
742.2SSSBLISTERING PEELING CONCRETE
1MGOPOSSIBLE OLD HIGH WATER MARK AT 3:00 TO 9:00
0MWL
742.2SAVSEVERE AGG
46.6SAVSEVERE AGG
2SAVSEVERE AGG SPORATIC
742.2DAGS
375.7SAVSEVERE AGG
8DAGS
634.7SAVSEVEREAGG
742.8AMH3:45AM
26.1MGO70% MAG COAT START
0AMH2:50AM
0MWM
742.2MGOMAG COAT 70% FINISH

Properties (6)

custom_field_three
SEVERE AGG VISIBLE
custom_field_two
3
customer
LACSD
datetime
2020-02-28T02:35:50-08:00
documentation
MARTIN,REVELES,OLIVER 111,CASTILLO
is_lateral_inspection
false