Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0May 11, 2022, 06:46 AM
  • 21 1144_21 1143_05112022_005115.mp4

Date
05/10/2022
W/O
951555
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00780
PipeID
P16238
Time
11:46 PM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K10106
Sewer Name
21 POMONA BOULEVARD INTERCEPTOR TRUNK
City
POMONA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
15
Purpose
Routine Assessment
Project
RFIR_WO_951555_TV21064_MAY2022
Sewer Type
Siphon
Material
Reinforced Concrete Pipe
Shape
Circular
Height
33 in.
Width
33 in.
Upstream MH
21 1143
Downstream MH
21 1144
Dir. of Survey
Upstream
Length Surveyed
2 ft.
Total Length
2 ft.
Structural Index
3
Structural Quick
3100
Structural Rating
3
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
5
Pipe schematic from manhole 21 1143 to 21 1144
MH: 21 1143MH: 21 1144upstream0 ft. SAV - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES0 ft. MSA - Survey Abandoned - VIEW OF UPLEG OF D/S SIPHON.0 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES2 ft. AMH - Downstream Manhole, Survey Begins - 21 11432 ft. MWL - Water Level, 35 %of cross sectional area2 ft. MWM - Water Mark, 40 %of cross sectional area

Observation photos (3)

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

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

  • Survey Abandoned - VIEW OF UPLEG OF D/S SIPHON.

    2 ft. - Survey Abandoned - VIEW OF UPLEG OF D/S SIPHON.

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

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

Observations (6)

DistanceCodeObservation
0AMH21 1143
2SAV
0MWL
2MSAVIEW OF UPLEG OF D/S SIPHON.
0MWM
2DAGS

Properties (8)

additional_info
630063051022202
custom_field_three
VISIBLE AGGREGATE
custom_field_two
3
customer
1
datetime
2022-05-10T23:46:45-07:00
documentation
PRO PIPE
is_lateral_inspection
false
year_laid
31044