Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Aug 30, 2021, 01:18 PM
  • 20 0039_20 0038_08302021_063606.mp4

Date
08/30/2021
W/O
913489
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18960
Time
6:18 AM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K9249
Sewer Name
20 TRUNK "A"
City
PALMDALE
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
03
Purpose
Routine Assessment
Project
CA_WO_913489
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
30 in.
Width
30 in.
Upstream MH
20 0038
Downstream MH
20 0039
Dir. of Survey
Upstream
Length Surveyed
217.2 ft.
Total Length
217.2 ft.
Structural Index
2
Structural Quick
2A00
Structural Rating
24
O&M Index
2
O&M Quick
513E
O&M Rating
178
Overall Index
2
Overall Quick
Overall Rating
202
Pipe schematic from manhole 20 0038 to 20 0039
MH: 20 0038MH: 20 0039upstream0 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish0 ft. MSA - Survey Abandoned - REVERSAL COMPLETE.0 ft. SSS - Surface Spalling, from 11 to 01 o'clock, within 8 inches of joint: YES, Finish0 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 12 to 12 o'clock, , within 8 inches of joint: YES, Finish51.2 ft. TFC - Tap Factory Made Capped, at 12 o'clock, -, within 8 inches of joint: NO, 6"57.9 ft. SSS - Surface Spalling, from 11 to 01 o'clock, within 8 inches of joint: YES, Start145.6 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - DEBRIS/SLUDGE215.2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 12 to 12 o'clock, , within 8 inches of joint: YES, Start217.2 ft. MWM - Water Mark, 80 %of cross sectional area217.2 ft. AMH - Downstream Manhole, Survey Begins - 20 0038217.2 ft. MWL - Water Level, 40 %of cross sectional area

Observation photos (2)

  • 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 11 to 01 o'clock, within 8 inches of joint: YES, Start

    159.3 ft. - Surface Spalling, from 11 to 01 o'clock, within 8 inches of joint: YES, Start

Observations (11)

DistanceCodeObservation
0MWM
159.3SSS
217.2DSZ
2DAGS
166TFC
0AMH20 0038
217.2MSAREVERSAL COMPLETE.
217.2SSS
0MWL
71.6DSZDEBRIS/SLUDGE
217.2DAGS

Properties (7)

additional_info
630069083021001
custom_field_three
SPALLING/DEBRIS
custom_field_two
3
customer
1
datetime
2021-08-30T06:18:33-07:00
documentation
PRO PIPE
is_lateral_inspection
false