Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Feb 16, 2021, 09:33 AM
  • 21 1143_21 1142_02162021_020621.mp4

Date
02/16/2021
W/O
875034
Weather
Dry
Operator/Surveyor
M.MARTINEZ
Sewer ID
Z00780
PipeID
P16237
Time
1:33 AM
Certificate
U-115-06022794
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K8605
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
WO_875034_TV21019_FEB2021
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
33 in.
Width
33 in.
Upstream MH
21 1143
Downstream MH
21 1142
Dir. of Survey
Downstream
Length Surveyed
709.8 ft.
Total Length
709.8 ft.
Structural Index
2
Structural Quick
312Y
Structural Rating
259
O&M Index
3
O&M Quick
4A2C
O&M Rating
88
Overall Index
2
Overall Quick
Overall Rating
347
Pipe schematic from manhole 21 1143 to 21 1142
MH: 21 1143MH: 21 1142downstream0 ft. MWM - Water Mark, 40 %of cross sectional area0 ft. MWL - Water Level, 25 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 11432 ft. MGO - General Observation - MAG COAT START72.2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start360.1 ft. DSF - Deposits Settled Fine, 10 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Start461.8 ft. DSF - Deposits Settled Fine, 10 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Finish650.9 ft. LR - Alignment Right, 25 %, Start709.8 ft. LR - Alignment Right, 25 %, Finish709.8 ft. MSA - Survey Abandoned - CAMERA UNDERWATER709.8 ft. MWLS - Water Level, Sag in pipe, 40 %of cross sectional area - DUE TO TURN709.8 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish

Observation photos (6)

  • General Observation - MAG COAT START

    2 ft. - General Observation - MAG COAT START

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

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

  • Deposits Settled Fine,  10 %of cross sectional area, at 06 o'clock,  , within 8 inches of joint: YES, Start

    360.1 ft. - Deposits Settled Fine, 10 %of cross sectional area, at 06 o'clock, , within 8 inches of joint: YES, Start

  • Alignment Right, 25 %, Start

    650.9 ft. - Alignment Right, 25 %, Start

  • Survey Abandoned - CAMERA UNDERWATER

    709.8 ft. - Survey Abandoned - CAMERA UNDERWATER

  • Water Level, Sag in pipe, 40 %of cross sectional area - DUE TO TURN

    709.8 ft. - Water Level, Sag in pipe, 40 %of cross sectional area - DUE TO TURN

Observations (12)

DistanceCodeObservation
709.8LR
709.8MSACAMERA UNDERWATER
709.8MWLSDUE TO TURN
72.2SSS
360.1DSF
0MWM
2MGOMAG COAT START
709.8SSS
650.9LR
0MWL
461.8DSF
0AMH21 1143

Properties (7)

custom_field_three
SPALLING
custom_field_two
3
customer
1
datetime
2021-02-16T01:33:49-08:00
documentation
PRO PIPE
is_lateral_inspection
false
year_laid
31044