Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 31, 2020, 07:11 AM
  • 20 0072_20 0071_03312020_003752.mp4

Date
03/31/2020
W/O
818456
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18993
Time
12:11 AM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K7507
Sewer Name
20 TRUNK "A"
City
PALMDALE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
02
Purpose
Routine Assessment
Project
RFIR_WO_818456_TV20023_MAR2020
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
20 0072
Downstream MH
20 0071
Dir. of Survey
Downstream
Length Surveyed
382.4 ft.
Total Length
382.4 ft.
Structural Index
2
Structural Quick
382N
Structural Rating
176
O&M Index
3
O&M Quick
3N00
O&M Rating
228
Overall Index
3
Overall Quick
Overall Rating
404
Pipe schematic from manhole 20 0072 to 20 0071
MH: 20 0072MH: 20 0071downstream0 ft. AMH - Upstream Manhole, Survey Begins - 20 00720 ft. MWL - Water Level, 5 %of cross sectional area0 ft. MWM - Water Mark, 10 %of cross sectional area2 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start62.7 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"115.5 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"216.9 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"265.8 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"319.2 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"343 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start367.7 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"382.4 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish382.4 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish382.4 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish382.4 ft. AMH - Downstream Manhole, Survey Ends - 20 0071

Observation photos (4)

  • Deposits Settled Other,  15 %of cross sectional area, from 05 to 07 o'clock,  , within 8 inches of joint: YES, Start - DEBRIS

    2 ft. - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS

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

    2 ft. - Surface Spalling, from 08 to 04 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

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

  • Downstream Manhole, Survey Ends - 20 0071

    382.4 ft. - Downstream Manhole, Survey Ends - 20 0071

Observations (16)

DistanceCodeObservation
62.7TFC
0AMH20 0072
265.8TFC
343SAP
0MWL
216.9TFC
382.4SSS
2DSZDEBRIS
319.2TFC
382.4SAP
2SSS
0MWM
382.4DSZ
382.4AMH20 0071
115.5TFC
367.7TFC

Properties (6)

additional_info
SC398847
custom_field_two
2
customer
LACSD
datetime
2020-03-31T00:11:20-07:00
documentation
PRO PIPE
is_lateral_inspection
false