Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 16, 2021, 05:41 AM
  • 20 0068_20 0067_03152021_225732.mp4

Date
03/15/2021
W/O
880302
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18989
Time
10:41 PM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K8600
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
18 in.
Width
18 in.
Upstream MH
20 0068
Downstream MH
20 0067
Dir. of Survey
Downstream
Length Surveyed
390.3 ft.
Total Length
390.3 ft.
Structural Index
3
Structural Quick
513N
Structural Rating
385
O&M Index
3
O&M Quick
3O00
O&M Rating
234
Overall Index
3
Overall Quick
Overall Rating
619
Pipe schematic from manhole 20 0068 to 20 0067
MH: 20 0068MH: 20 0067downstream0 ft. AMH - Upstream Manhole, Survey Begins - 20 00680 ft. MWL - Water Level, 5 %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 - DEBRIS10.1 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start10.1 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start18.5 ft. TBA - Tap Break-In Active, at 10 o'clock, -, within 8 inches of joint: NO, 6"87.7 ft. MGO - General Observation - MAG COATING THROUGHOUT240.4 ft. SRV - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: YES379.6 ft. MWL - Water Level, 25 %of cross sectional area389.2 ft. TB - Tap Break-In, at 10 o'clock, -, within 8 inches of joint: NO, 6"390.3 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish390.3 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish390.3 ft. AMH - Downstream Manhole, Survey Ends - 20 0067390.3 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish

Observation photos (6)

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

    10.1 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

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

  • General Observation - MAG COATING THROUGHOUT

    87.7 ft. - General Observation - MAG COATING THROUGHOUT

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

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

  • Water Level, 25 %of cross sectional area

    379.6 ft. - Water Level, 25 %of cross sectional area

Observations (14)

DistanceCodeObservation
0AMH20 0068
390.3SSS
390.3SAP
10.1SAP
240.4SRV
389.2TB
379.6MWL
18.5TBA
390.3AMH20 0067
0MWL
390.3DSZ
87.7MGOMAG COATING THROUGHOUT
10.1SSS
2DSZDEBRIS

Properties (7)

additional_info
630069031521201
custom_field_three
VISIBLE REINFORCEMENT/PROJECTING AGGREGATE
custom_field_two
2
customer
1
datetime
2021-03-15T22:41:35-07:00
documentation
PRO PIPE
is_lateral_inspection
false