Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 14, 2022, 10:26 AM
  • 20 0056_20 0055_03142022_034807.mp4

Date
03/14/2022
W/O
941503
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18977
Time
3:26 AM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K10007
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.
03
Purpose
Routine Assessment
Project
RFIR_WO_941503_TV20023_MAR2022
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
24 in.
Width
24 in.
Upstream MH
20 0056
Downstream MH
20 0055
Dir. of Survey
Downstream
Length Surveyed
423.3 ft.
Total Length
423.3 ft.
Structural Index
4
Structural Quick
5531
Structural Rating
30
O&M Index
0
O&M Quick
0000
O&M Rating
0
Overall Index
4
Overall Quick
Overall Rating
30
Pipe schematic from manhole 20 0056 to 20 0055
MH: 20 0056MH: 20 0055downstream0 ft. AMH - Upstream Manhole, Survey Begins - 20 00560 ft. MWM - Water Mark, 15 %of cross sectional area0 ft. MWL - Water Level, 10 %of cross sectional area2 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start40.5 ft. SRV - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: YES68.7 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"146 ft. SRV - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: NO173.5 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"217.5 ft. SRV - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: NO278.6 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"323.9 ft. SRV - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: NO350.4 ft. SRV - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: NO420.4 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish420.4 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish423.3 ft. AMH - Downstream Manhole, Survey Ends - 20 0055

Observation photos (5)

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

    2 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

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

  • Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: YES

    40.5 ft. - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: YES

  • Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: NO

    323.9 ft. - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: NO

  • Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: NO

    350.4 ft. - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: NO

Observations (16)

DistanceCodeObservation
68.7TFC
350.4SRV
173.5TFC
2SAP
278.6TFC
323.9SRV
420.4SSS
0AMH20 0056
146SRV
0MWM
0MWL
217.5SRV
420.4SAP
423.3AMH20 0055
2SSS
40.5SRV

Properties (7)

additional_info
630138031422001
custom_field_three
VISIBLE REINFORCEMENT/PROJECTING AGGREGATE
custom_field_two
2
customer
1
datetime
2022-03-14T03:26:42-07:00
documentation
PRO PIPE
is_lateral_inspection
false