Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 1, 2021, 06:02 AM

  • 20 0275_20 0274_06302021_235212.mp4

Date
06/30/2021
W/O
896577
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00751
PipeID
P19241
Time
11:02 PM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
—
Pre-Cleaning
No Pre-Cleaning
Media Label
K9017
Sewer Name
20 20TH STREET EAST RELIEF TRUNK
City
PALMDALE
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
07
Purpose
Routine Assessment
Project
RFIR_WO_896577_TV20025_JUN2021
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
20 0275
Downstream MH
20 0274
Dir. of Survey
Downstream
Length Surveyed
375.6 ft.
Total Length
375.6 ft.
Structural Index
3
Structural Quick
3N00
Structural Rating
222
O&M Index
2
O&M Quick
412O
O&M Rating
162
Overall Index
2
Overall Quick
—
Overall Rating
384
Pipe schematic from manhole 20 0275 to 20 0274
MH: 20 0275MH: 20 0274downstream0 ft. MWL - Water Level, 40 %of cross sectional area0 ft. MWM - Water Mark, 50 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 02752 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start2 ft. SAP - Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES, Start16.7 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS39.5 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish318.8 ft. MWL - Water Level, 25 %of cross sectional area373.8 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish373.8 ft. SAP - Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish375.6 ft. AMH - Downstream Manhole, Survey Ends - 20 0274

Observation photos (1)

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

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

All inspections of P19241Work order 896577

Observations (11)

DistanceCodeObservation
318.8MWL—
16.7DSZDEBRIS
0MWL—
375.6AMH20 0274
0MWM—
2DAGS—
39.5DSZ—
373.8DAGS—
373.8SAP—
2SAP—
0AMH20 0275

Properties (7)

additional_info
630069063021201
custom_field_three
PROJECTING AGGREGATE
custom_field_two
3
customer
1
datetime
2021-06-30T23:02:51-07:00
documentation
PRO PIPE
is_lateral_inspection
false