Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Aug 30, 2021, 12:12 PM
  • 20 0040_20 0039_08302021_052406.mp4

Date
08/30/2021
W/O
913489
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18961
Time
5:12 AM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K9249
Sewer Name
20 TRUNK "A"
City
PALMDALE
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
03
Purpose
Routine Assessment
Project
CA_WO_913489
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
30 in.
Width
30 in.
Upstream MH
20 0040
Downstream MH
20 0039
Dir. of Survey
Downstream
Length Surveyed
447.1 ft.
Total Length
447.1 ft.
Structural Index
4
Structural Quick
5O3O
Structural Rating
648
O&M Index
3
O&M Quick
5125
O&M Rating
15
Overall Index
4
Overall Quick
Overall Rating
663
Pipe schematic from manhole 20 0040 to 20 0039
MH: 20 0040MH: 20 0039downstream0 ft. MWM - Water Mark, 90 %of cross sectional area0 ft. MWL - Water Level, 40 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 00402 ft. SAP - Surface Aggregate Projecting, from 10 to 02 o'clock, within 8 inches of joint: YES, Start2 ft. SRV - Surface Reinforcement Visible, from 10 to 02 o'clock, within 8 inches of joint: YES, Start256.1 ft. TFA - Tap Factory Made Active, at 10 o'clock, -, within 8 inches of joint: NO, 6"406.8 ft. SAP - Surface Aggregate Projecting, from 10 to 02 o'clock, within 8 inches of joint: YES, Finish406.8 ft. SRV - Surface Reinforcement Visible, from 10 to 02 o'clock, within 8 inches of joint: YES, Finish418.8 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 12 to 12 o'clock, , within 8 inches of joint: YES, Start444.6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 12 to 12 o'clock, , within 8 inches of joint: YES, Finish447.1 ft. AMH - Downstream Manhole, Survey Ends - 20 0039

Observation photos (3)

  • Surface Aggregate Projecting, from 10 to 02 o'clock, within 8 inches of joint: YES, Start

    2 ft. - Surface Aggregate Projecting, from 10 to 02 o'clock, within 8 inches of joint: YES, Start

  • Surface Reinforcement Visible, from 10 to 02 o'clock, within 8 inches of joint: YES, Start

    2 ft. - Surface Reinforcement Visible, from 10 to 02 o'clock, within 8 inches of joint: YES, Start

  • Deposits Attached Grease, 5 %of cross sectional area, from 12 to 12 o'clock,  , within 8 inches of joint: YES, Start

    418.8 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 12 to 12 o'clock, , within 8 inches of joint: YES, Start

Observations (11)

DistanceCodeObservation
444.6DAGS
418.8DAGS
0MWM
256.1TFA
2SAP
0MWL
2SRV
447.1AMH20 0039
406.8SAP
406.8SRV
0AMH20 0040

Properties (7)

additional_info
630069083021001
custom_field_three
VISIBLE REINFORCEMENT/PROJECTING AGGREGATE
custom_field_two
2
customer
1
datetime
2021-08-30T05:12:55-07:00
documentation
PRO PIPE
is_lateral_inspection
false