Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 1, 2021, 07:14 AM
  • 20 0272_20 0271_07012021_002616.mp4

Date
07/01/2021
W/O
896577
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00751
PipeID
P19238
Time
12:14 AM
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 0272
Downstream MH
20 0271
Dir. of Survey
Downstream
Length Surveyed
351.4 ft.
Total Length
351.4 ft.
Structural Index
3
Structural Quick
3M2M
Structural Rating
345
O&M Index
2
O&M Quick
412M
O&M Rating
142
Overall Index
2
Overall Quick
Overall Rating
487
Pipe schematic from manhole 20 0272 to 20 0271
MH: 20 0272MH: 20 0271downstream0 ft. MWM - Water Mark, 50 %of cross sectional area0 ft. MWL - Water Level, 30 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 02722 ft. SSS - Surface Spalling, from 09 to 03 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, Start2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start349.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish349.4 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish349.4 ft. SAP - Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish351.4 ft. AMH - Downstream Manhole, Survey Ends - 20 0271

Observation photos (3)

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

    2 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

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

  • Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock,  , within 8 inches of joint: YES, Start

    2 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start

Observations (10)

DistanceCodeObservation
349.4DAGS
349.4SSS
0MWM
349.4SAP
0MWL
2SSS
351.4AMH20 0271
2SAP
2DAGS
0AMH20 0272

Properties (7)

additional_info
630069063021201
custom_field_three
PROJECTING AGGREGATE/SPALLING
custom_field_two
3
customer
1
datetime
2021-07-01T00:14:30-07:00
documentation
PRO PIPE
is_lateral_inspection
false