Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Aug 20, 2021, 08:07 AM
  • 18 0563_18 0561_08202021_012602.mp4

Date
08/20/2021
W/O
906743
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00685
PipeID
P14413
Time
1:07 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 0563
Downstream MH
18 0561
Dir. of Survey
Downstream
Length Surveyed
456.8 ft.
Total Length
456.8 ft.
Structural Index
3
Structural Quick
3121
Structural Rating
5
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
2
Overall Quick
Overall Rating
9
Pipe schematic from manhole 18 0563 to 18 0561
MH: 18 0563MH: 18 0561downstream0 ft. MWM - Water Mark, 30 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 18 05630 ft. MWL - Water Level, 20 %of cross sectional area2.7 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start2.7 ft. MGO - General Observation - MAG COATING6.3 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - UNDER MAG OCATING12.3 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start65.4 ft. TB - Tap Break-In, at 10 o'clock, -, within 8 inches of joint: NO, 6"257.2 ft. TBA - Tap Break-In Active, at 10 o'clock, -, within 8 inches of joint: NO, 6"260.9 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - DEBRIS UNDER FLOW264.2 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"377.2 ft. TB - Tap Break-In, at 10 o'clock, -, within 8 inches of joint: NO, 6"379.8 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish - DEBIRS455.2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish455.2 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish455.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish456.8 ft. AMH - Downstream Manhole, Survey Ends - 18 0561

Observation photos (3)

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

    2.7 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 OCATING

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

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

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

Observations (17)

DistanceCodeObservation
377.2TB
0MWM
257.2TBA
260.9DSZDEBRIS UNDER FLOW
12.3SAV
264.2TFC
0AMH18 0563
0MWL
455.2SSS
455.2SAV
2.7DAGS
379.8DSZDEBIRS
65.4TB
6.3SSSUNDER MAG OCATING
455.2DAGS
2.7MGOMAG COATING
456.8AMH18 0561

Properties (7)

additional_info
630138081921201
custom_field_three
SPALLING, AGGREGATE VISIBLE
custom_field_two
3
customer
1
datetime
2021-08-20T01:07:57-07:00
documentation
PROPIPE
is_lateral_inspection
false