Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Aug 20, 2021, 07:47 AM
  • 18 0564_18 0563_08202021_010649.mp4

Date
08/20/2021
W/O
906743
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00685
PipeID
P14414
Time
12:47 AM
Certificate
U-715-07000770
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K9261
Sewer Name
18 LA MIRADA RELIEF TRUNK
City
NORWALK
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 18
Page No.
31
Purpose
Routine Assessment
Project
WO_906743_TV18082_AUG2021
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
33 in.
Width
33 in.
Upstream MH
18 0564
Downstream MH
18 0563
Dir. of Survey
Downstream
Length Surveyed
455.8 ft.
Total Length
455.8 ft.
Structural Index
3
Structural Quick
3121
Structural Rating
5
O&M Index
2
O&M Quick
2300
O&M Rating
6
Overall Index
2
Overall Quick
Overall Rating
11
Pipe schematic from manhole 18 0564 to 18 0563
MH: 18 0564MH: 18 0563downstream0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 18 05640 ft. MWM - Water Mark, 35 %of cross sectional area3 ft. MGO - General Observation - MAG COATING7 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS UNDER FLOW26.6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start26.6 ft. MGO - General Observation - CAMERA UNSABLE DUE TO DEBRIS47.8 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - UNDER MAG COATING83.7 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish - DEBRIS83.7 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start109.8 ft. TB - Tap Break-In, at 10 o'clock, -, within 8 inches of joint: NO, 6"124.3 ft. TBC - Tap Break-In Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"219.2 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"322.7 ft. TB - Tap Break-In, at 10 o'clock, -, within 8 inches of joint: NO, 6"417.8 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"453.6 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish453.6 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish453.6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish455.8 ft. AMH - Downstream Manhole, Survey Ends - 18 0563

Observation photos (3)

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

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

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

    47.8 ft. - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - UNDER MAG COATING

  • Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    83.7 ft. - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

Observations (19)

DistanceCodeObservation
7DSZDEBRIS UNDER FLOW
109.8TB
26.6DAGS
417.8TFC
453.6SSS
83.7DSZDEBRIS
0MWL
47.8SSSUNDER MAG COATING
0AMH18 0564
219.2TFC
83.7SAV
322.7TB
26.6MGOCAMERA UNSABLE DUE TO DEBRIS
3MGOMAG COATING
0MWM
455.8AMH18 0563
453.6SAV
124.3TBC
453.6DAGS

Properties (7)

additional_info
630138081921201
custom_field_three
SURFACE SPALLING
custom_field_two
3
customer
1
datetime
2021-08-20T00:47:22-07:00
documentation
PROPIPE
is_lateral_inspection
false