Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Aug 20, 2021, 09:26 AM
  • 18 0565_18 0564_08202021_025758.mp4

Date
08/20/2021
W/O
906743
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00685
PipeID
P14415
Time
2:26 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
Railway
Location Code
L
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 0565
Downstream MH
18 0564
Dir. of Survey
Downstream
Length Surveyed
437.7 ft.
Total Length
437.7 ft.
Structural Index
2
Structural Quick
2100
Structural Rating
2
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
2
Overall Quick
Overall Rating
6
Pipe schematic from manhole 18 0565 to 18 0564
MH: 18 0565MH: 18 0564downstream0 ft. AMH - Upstream Manhole, Survey Begins - 18 05650 ft. MWM - Water Mark, 35 %of cross sectional area0 ft. MWL - Water Level, 15 %of cross sectional area2.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start2.1 ft. MGO - General Observation - MAG COATING6.4 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - UNDER MAG COATING44.2 ft. DSC - Deposits Settled Compacted, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start62.8 ft. MGO - General Observation - ABANDONED MH217.4 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"436.4 ft. DSC - Deposits Settled Compacted, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish436.4 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish436.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish437.7 ft. AMH - Downstream Manhole, Survey Ends - 18 0564

Observation photos (2)

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

    2.1 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

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

Observations (13)

DistanceCodeObservation
62.8MGOABANDONED MH
0AMH18 0565
437.7AMH18 0564
44.2DSC
436.4DSC
436.4SSS
2.1DAGS
6.4SSSUNDER MAG COATING
217.4TFC
0MWM
2.1MGOMAG COATING
0MWL
436.4DAGS

Properties (7)

additional_info
630138081921201
custom_field_three
SURFACE SPALLING
custom_field_two
3
customer
1
datetime
2021-08-20T02:26:53-07:00
documentation
PROPIPE
is_lateral_inspection
false