Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jun 25, 2021, 10:05 AM
  • 20 0040_20 0039_06252021_032707.mp4

Date
06/25/2021
W/O
901261
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18961
Time
3:05 AM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K9007
Sewer Name
20 TRUNK "A"
City
PALMDALE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
03
Purpose
Routine Assessment
Project
RFIR_WO_901261_TV20063_JUL2021
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
30 in.
Width
30 in.
Upstream MH
20 0039
Downstream MH
20 0040
Dir. of Survey
Upstream
Length Surveyed
237.4 ft.
Total Length
237.4 ft.
Structural Index
3
Structural Quick
3H2H
Structural Rating
230
O&M Index
2
O&M Quick
413G
O&M Rating
221
Overall Index
2
Overall Quick
Overall Rating
451
Pipe schematic from manhole 20 0039 to 20 0040
MH: 20 0039MH: 20 0040upstream0 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 12 to 12 o'clock, , within 8 inches of joint: YES, Finish0 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish0 ft. SSS - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Finish0 ft. SAP - Surface Aggregate Projecting, from 10 to 02 o'clock, within 8 inches of joint: YES, Finish0 ft. MSA - Survey Abandoned - DUE TO DEBRIS/SLUDGE45.7 ft. TFA - Tap Factory Made Active, at 02 o'clock, -, within 8 inches of joint: NO, 6"102.4 ft. MGO - General Observation - SLOW "DRIPPING" OCCASIONALLY THROUGHOUT LINE (POSSIBLY FROM CONDENSATION AND/OR FALLING AGGREGATE/...).205.3 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - DEBRIS/SLUDGE228 ft. SSS - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Start228 ft. SAP - Surface Aggregate Projecting, from 10 to 02 o'clock, within 8 inches of joint: YES, Start235.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 12 to 12 o'clock, , within 8 inches of joint: YES, Start237.4 ft. MWL - Water Level, 25 %of cross sectional area237.4 ft. MWM - Water Mark, 70 %of cross sectional area237.4 ft. AMH - Downstream Manhole, Survey Begins - 20 0039

Observation photos (5)

  • Deposits Attached Grease, 5 %of cross sectional area, from 12 to 12 o'clock,  , within 8 inches of joint: YES, Start

    2 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 12 to 12 o'clock, , within 8 inches of joint: YES, Start

  • Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Start

    9.4 ft. - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Start

  • Surface Aggregate Projecting, from 10 to 02 o'clock, within 8 inches of joint: YES, Start

    9.4 ft. - Surface Aggregate Projecting, from 10 to 02 o'clock, within 8 inches of joint: YES, Start

  • Deposits Settled Other,  15 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start - DEBRIS/SLUDGE

    32.1 ft. - Deposits Settled Other, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - DEBRIS/SLUDGE

  • Survey Abandoned - DUE TO DEBRIS/SLUDGE

    237.4 ft. - Survey Abandoned - DUE TO DEBRIS/SLUDGE

Observations (14)

DistanceCodeObservation
0MWL
135MGOSLOW "DRIPPING" OCCASIONALLY THROUGHOUT LINE (POSSIBLY FROM CONDENSATION AND/OR FALLING AGGREGATE/...).
237.4DAGS
9.4SSS
237.4DSZ
9.4SAP
237.4SSS
0MWM
191.7TFA
0AMH20 0039
2DAGS
32.1DSZDEBRIS/SLUDGE
237.4SAP
237.4MSADUE TO DEBRIS/SLUDGE

Properties (7)

additional_info
630069062421202
custom_field_three
abandoned due to debris
custom_field_two
5
customer
1
datetime
2021-06-25T03:05:05-07:00
documentation
PRO PIPE
is_lateral_inspection
false