Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jun 25, 2021, 09:51 AM
  • 20 0039_20 0038_06252021_030327.mp4

Date
06/25/2021
W/O
901261
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18960
Time
2:51 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 0038
Dir. of Survey
Downstream
Length Surveyed
40.7 ft.
Total Length
40.7 ft.
Structural Index
3
Structural Quick
3525
Structural Rating
25
O&M Index
2
O&M Quick
4132
O&M Rating
26
Overall Index
2
Overall Quick
Overall Rating
51
Pipe schematic from manhole 20 0039 to 20 0038
MH: 20 0039MH: 20 0038downstream0 ft. AMH - Upstream Manhole, Survey Begins - 20 00390 ft. MWM - Water Mark, 65 %of cross sectional area0 ft. MWL - Water Level, 25 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 12 to 12 o'clock, , within 8 inches of joint: YES, Start17.5 ft. SSS - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Start17.5 ft. SAP - Surface Aggregate Projecting, from 10 to 02 o'clock, within 8 inches of joint: YES, Start33.2 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - DEBRIS/SLUDGE40.3 ft. SAP - Surface Aggregate Projecting, from 10 to 02 o'clock, within 8 inches of joint: YES, Finish40.3 ft. SSS - Surface Spalling, from 10 to 02 o'clock, within 8 inches of joint: YES, Finish40.3 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish40.3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 12 to 12 o'clock, , within 8 inches of joint: YES, Finish40.7 ft. MSA - Survey Abandoned - DUE TO DEBRIS/SLUDGE

Observation photos (4)

  • 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

    17.5 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

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

  • Deposits Settled Other,  20 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start - DEBRIS/SLUDGE

    33.2 ft. - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - DEBRIS/SLUDGE

Observations (12)

DistanceCodeObservation
40.3SAP
0AMH20 0039
40.7MSADUE TO DEBRIS/SLUDGE
40.3SSS
0MWM
2DAGS
33.2DSZDEBRIS/SLUDGE
40.3DSZ
17.5SSS
40.3DAGS
0MWL
17.5SAP

Properties (7)

additional_info
630069062421202
custom_field_three
abandoned due to debris
custom_field_two
5
customer
1
datetime
2021-06-25T02:51:18-07:00
documentation
PRO PIPE
is_lateral_inspection
false