Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Feb 18, 2016, 04:07 PM
  • 21 1143_21 1142_20160218_101505.mp4

Date
02/18/2016
W/O
552368
Weather
Dry
Operator/Surveyor
N./ZAHREDDINE
Sewer ID
Z00780
PipeID
P16237
Time
8:07 AM
Certificate
U-109-7948
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K3183
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_552368_TV21019_FEB2016
Sewer Type
GRAVITY
Material
Reinforced Concrete Pipe
Shape
Circular
Height
33 in.
Upstream MH
21 1143
Downstream MH
21 1142
Dir. of Survey
Downstream
Length Surveyed
724.7 ft.
Total Length
724.7 ft.
Structural Index
3
Structural Quick
4222
Structural Rating
12
O&M Index
1
O&M Quick
1100
O&M Rating
1
Overall Index
3
Overall Quick
Overall Rating
13
Pipe schematic from manhole 21 1143 to 21 1142
MH: 21 1143MH: 21 1142downstream0 ft. MWL - Water Level, 30 %of cross sectional area0 ft. MWM - Water Mark, 45 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 11432 ft. MGO - General Observation - MAGNEZIUM H.O COATING 30% start86.9 ft. SSS - Surface Spalling, from 09 to 12 o'clock, within 8 inches of joint: YES144.5 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start348.3 ft. MWLS - Water Level, Sag in pipe, 55 %of cross sectional area, Start506 ft. MWLS - Water Level, Sag in pipe, 55 %of cross sectional area, Finish703.8 ft. MWLS - Water Level, Sag in pipe, 55 %of cross sectional area, Start724.7 ft. MWLS - Water Level, Sag in pipe, 55 %of cross sectional area, Finish724.7 ft. MSA - Survey Abandoned - DUE TO SAG AND TURN IN THE LINE724.7 ft. MGO - General Observation - MAGNEZIUM H.O COATING 30% finish724.7 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish724.7 ft. LR - Alignment Right, 10 %

Observation photos (4)

  • Surface Spalling, from 09 to 12 o'clock, within 8 inches of joint: YES

    86.9 ft. - Surface Spalling, from 09 to 12 o'clock, within 8 inches of joint: YES

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

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

  • Water Level, Sag in pipe, 55 %of cross sectional area, Start

    348.3 ft. - Water Level, Sag in pipe, 55 %of cross sectional area, Start

  • Water Level, Sag in pipe, 55 %of cross sectional area, Start

    703.8 ft. - Water Level, Sag in pipe, 55 %of cross sectional area, Start

Observations (14)

DistanceCodeObservation
724.7MWLS
506MWLS
348.3MWLS
144.5SSS
2MGOMAGNEZIUM H.O COATING 30% start
0MWL
724.7MSADUE TO SAG AND TURN IN THE LINE
724.7MGOMAGNEZIUM H.O COATING 30% finish
724.7SSS
724.7LR
0MWM
703.8MWLS
0AMH21 1143
86.9SSS

Properties (7)

additional_info
SC224998
custom_field_two
5
customer
LACSD
datetime
2016-02-18T08:07:33-08:00
documentation
PRO PIPE
is_lateral_inspection
false
year_laid
19841228