Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 5, 2020, 05:34 AM
  • 20 0122_20 0121 _03042020_225325.mp4

Date
03/04/2020
W/O
813500
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00744
PipeID
P19045
Time
9:34 PM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K7428
Sewer Name
20 TRUNK "C"
City
PALMDALE
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
01
Purpose
Routine Assessment
Project
RFIR_WO_813500_TV20027_FEB2020
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
12 in.
Width
12 in.
Upstream MH
20 0122
Downstream MH
20 0121
Dir. of Survey
Downstream
Length Surveyed
385.1 ft.
Total Length
385.1 ft.
Structural Index
3
Structural Quick
3N2M
Structural Rating
372
O&M Index
3
O&M Quick
3922
O&M Rating
31
Overall Index
3
Overall Quick
Overall Rating
403
Pipe schematic from manhole 20 0122 to 20 0121
MH: 20 0122MH: 20 0121downstream0 ft. AMH - Upstream Manhole, Survey Begins - 20 01220 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MWL - Water Level, 10 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start5.1 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start21 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start54.7 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"58.3 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"164.4 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"168.6 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"261.9 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"265.7 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"322.9 ft. MWL - Water Level, 40 %of cross sectional area338.2 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - DEBRIS360 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"363.7 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"383.2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish383.2 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish383.2 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish383.3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish385.1 ft. AMH - Downstream Manhole, Survey Ends - 20 0121

Observation photos (5)

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

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

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

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

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

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

  • Water Level, 40 %of cross sectional area

    322.9 ft. - Water Level, 40 %of cross sectional area

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

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

Observations (21)

DistanceCodeObservation
58.3TFC
338.2DSZDEBRIS
360TFC
383.2SSS
5.1SAP
54.7TFC
0AMH20 0122
21SSS
2DAGS
168.6TFC
261.9TFC
363.7TFC
265.7TFC
322.9MWL
383.2SAP
383.2DSZ
385.1AMH20 0121
164.4TFC
383.3DAGS
0MWM
0MWL

Properties (7)

additional_info
SC398817
custom_field_three
SPALLING/ AGGREGATE PROJECTING
custom_field_two
2
customer
LACSD
datetime
2020-03-04T21:34:05-08:00
documentation
PRO PIPE
is_lateral_inspection
false