Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Feb 16, 2021, 10:37 AM
  • 21 1142_21 1141_02162021_025406.mp4

Date
02/16/2021
W/O
875034
Weather
Dry
Operator/Surveyor
M.MARTINEZ
Sewer ID
Z00780
PipeID
P16236
Time
2:37 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 1142
Downstream MH
21 1141
Dir. of Survey
Downstream
Length Surveyed
617.5 ft.
Total Length
617.5 ft.
Structural Index
2
Structural Quick
2\00
Structural Rating
292
O&M Index
0
O&M Quick
0000
O&M Rating
0
Overall Index
2
Overall Quick
Overall Rating
292
Pipe schematic from manhole 21 1142 to 21 1141
MH: 21 1142MH: 21 1141downstream0 ft. MGO - General Observation - CONNECTION AT MH, 9 O'CLOCK0 ft. MWM - Water Mark, 35 %of cross sectional area0 ft. MWL - Water Level, 25 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 11427.1 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start7.1 ft. MGO - General Observation - MAG COAT START66.2 ft. MWLS - Water Level, Sag in pipe, 20 %of cross sectional area, Start185.9 ft. MWLS - Water Level, Sag in pipe, 20 %of cross sectional area, Finish617.2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish617.2 ft. MGO - General Observation - CONNECTION AT MH, 3 O'CLOCK617.2 ft. MGO - General Observation - MAG COAT END617.5 ft. AMH - Downstream Manhole, Survey Ends - 21 1141

Observation photos (3)

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

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

  • General Observation - MAG COAT START

    7.1 ft. - General Observation - MAG COAT START

  • Water Level, Sag in pipe, 20 %of cross sectional area, Start

    66.2 ft. - Water Level, Sag in pipe, 20 %of cross sectional area, Start

Observations (12)

DistanceCodeObservation
7.1SSS
0MGOCONNECTION AT MH, 9 O'CLOCK
0MWM
0MWL
617.5AMH21 1141
617.2SSS
66.2MWLS
0AMH21 1142
617.2MGOCONNECTION AT MH, 3 O'CLOCK
617.2MGOMAG COAT END
7.1MGOMAG COAT START
185.9MWLS

Properties (7)

custom_field_three
SPALLING, MAG COAT
custom_field_two
3
customer
1
datetime
2021-02-16T02:37:37-08:00
documentation
PRO PIPE
is_lateral_inspection
false
year_laid
31044