Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 10, 2022, 07:16 AM
  • 20 0073_20 0072_03102022_005606.mp4

Date
03/09/2022
W/O
941503
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18994
Time
11:16 PM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K10004
Sewer Name
20 TRUNK "A"
City
PALMDALE
Loc. details
Main Highway - Suburban/Rural
Location Code
B
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
02
Purpose
Routine Assessment
Project
RFIR_WO_941503_TV20023_MAR2022
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
20 0073
Downstream MH
20 0072
Dir. of Survey
Downstream
Length Surveyed
372.9 ft.
Total Length
372.9 ft.
Structural Index
3
Structural Quick
3121
Structural Rating
5
O&M Index
2
O&M Quick
3122
O&M Rating
7
Overall Index
2
Overall Quick
Overall Rating
12
Pipe schematic from manhole 20 0073 to 20 0072
MH: 20 0073MH: 20 0072downstream0 ft. AMH - Upstream Manhole, Survey Begins - 20 00730 ft. MWL - Water Level, 0 %of cross sectional area2 ft. SSS - Surface Spalling, from 12 to 12 o'clock, within 8 inches of joint: YES, Start2 ft. SAP - Surface Aggregate Projecting, from 12 to 12 o'clock, within 8 inches of joint: YES, Start37.1 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"41.3 ft. DSC - Deposits Settled Compacted, 10 %of cross sectional area, at 04 o'clock, , within 8 inches of joint: YES70.3 ft. DSC - Deposits Settled Compacted, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start73.1 ft. OBM - Obstacles Pipe Material, 10 %of cross sectional area, from 04 to 06 o'clock85.9 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"138.3 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"187.3 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"239.1 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"288.4 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"341.3 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"370.9 ft. SSS - Surface Spalling, from 12 to 12 o'clock, within 8 inches of joint: YES, Finish370.9 ft. DSC - Deposits Settled Compacted, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish370.9 ft. SAP - Surface Aggregate Projecting, from 12 to 12 o'clock, within 8 inches of joint: YES, Finish372.9 ft. AMH - Downstream Manhole, Survey Ends - 20 0072

Observation photos (5)

  • Surface Spalling, from 12 to 12 o'clock, within 8 inches of joint: YES, Start

    2 ft. - Surface Spalling, from 12 to 12 o'clock, within 8 inches of joint: YES, Start

  • Surface Aggregate Projecting, from 12 to 12 o'clock, within 8 inches of joint: YES, Start

    2 ft. - Surface Aggregate Projecting, from 12 to 12 o'clock, within 8 inches of joint: YES, Start

  • Deposits Settled Compacted,  10 %of cross sectional area, at 04 o'clock,  , within 8 inches of joint: YES

    41.3 ft. - Deposits Settled Compacted, 10 %of cross sectional area, at 04 o'clock, , within 8 inches of joint: YES

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

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

  • Obstacles Pipe Material, 10 %of cross sectional area, from 04 to 06 o'clock

    73.1 ft. - Obstacles Pipe Material, 10 %of cross sectional area, from 04 to 06 o'clock

Observations (18)

DistanceCodeObservation
0AMH20 0073
288.4TFC
2SSS
85.9TFC
370.9SSS
41.3DSC
70.3DSC
370.9DSC
138.3TFC
73.1OBM
187.3TFC
2SAP
37.1TFC
372.9AMH20 0072
370.9SAP
239.1TFC
0MWL
341.3TFC

Properties (5)

additional_info
630138030922201
customer
1
datetime
2022-03-09T23:16:12-08:00
documentation
PRO PIPE
is_lateral_inspection
false