Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 14, 2022, 09:49 AM
  • 20 0057_20 0056_03142022_031057.mp4

Date
03/14/2022
W/O
941503
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18978
Time
2:49 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 0057
Downstream MH
20 0056
Dir. of Survey
Downstream
Length Surveyed
418.2 ft.
Total Length
418.2 ft.
Structural Index
3
Structural Quick
3121
Structural Rating
5
O&M Index
0
O&M Quick
0000
O&M Rating
0
Overall Index
3
Overall Quick
Overall Rating
5
Pipe schematic from manhole 20 0057 to 20 0056
MH: 20 0057MH: 20 0056downstream0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 00570 ft. MWM - Water Mark, 15 %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, Start105.2 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"416.1 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish416.1 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish418.2 ft. AMH - Downstream Manhole, Survey Ends - 20 0056

Observation photos (2)

  • 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

Observations (9)

DistanceCodeObservation
416.1SAP
416.1SSS
2SAP
418.2AMH20 0056
2SSS
0MWL
105.2TFC
0AMH20 0057
0MWM

Properties (7)

additional_info
630138031422001
custom_field_three
SPALLING/PROJECTING AGGREGATE
custom_field_two
2
customer
1
datetime
2022-03-14T02:49:13-07:00
documentation
PRO PIPE
is_lateral_inspection
false