Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 11, 2021, 06:11 AM
  • 20 0058_20 0057_03102021_232453.mp4

Date
03/10/2021
W/O
880302
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18979
Time
10:11 PM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K8597
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_880302_TV20023_MAR2021
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
24 in.
Width
24 in.
Upstream MH
20 0058
Downstream MH
20 0057
Dir. of Survey
Downstream
Length Surveyed
420.2 ft.
Total Length
420.2 ft.
Structural Index
3
Structural Quick
3M2M
Structural Rating
350
O&M Index
2
O&M Quick
2L00
O&M Rating
126
Overall Index
2
Overall Quick
Overall Rating
476
Pipe schematic from manhole 20 0058 to 20 0057
MH: 20 0058MH: 20 0057downstream0 ft. AMH - Upstream Manhole, Survey Begins - 20 00580 ft. MWL - Water Level, 15 %of cross sectional area0 ft. MWM - Water Mark, 15 %of cross sectional area2 ft. MGO - General Observation - MAG COATING THROUGHOUT51.8 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"65.9 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start65.9 ft. SAP - Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES, Start102.1 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS132.2 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"220.5 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"417.9 ft. SAP - Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish417.9 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish417.9 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish420.2 ft. AMH - Downstream Manhole, Survey Ends - 20 0057

Observation photos (3)

  • General Observation - MAG COATING THROUGHOUT

    2 ft. - General Observation - MAG COATING THROUGHOUT

  • Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start

    65.9 ft. - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start

  • Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES, Start

    65.9 ft. - Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES, Start

Observations (14)

DistanceCodeObservation
417.9SAP
102.1DSZDEBRIS
0AMH20 0058
220.5TFC
0MWL
132.2TFC
417.9SSS
65.9SSS
2MGOMAG COATING THROUGHOUT
420.2AMH20 0057
65.9SAP
51.8TFC
417.9DSZ
0MWM

Properties (5)

additional_info
630069031021201
customer
1
datetime
2021-03-10T22:11:24-08:00
documentation
PRO PIPE
is_lateral_inspection
false