Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0May 11, 2015, 11:38 AM
  • 21 1141_21 1140_20150511_044531.mpg

Date
05/11/2015
W/O
502311
Weather
Dry
Operator/Surveyor
J. HARTOOG
Sewer ID
Z00780
PipeID
P16235
Time
4:38 AM
Certificate
U507-03-3386
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K2453
Sewer Name
21 POMONA BOULEVARD INTERCEPTOR TRUNK
City
POMONA, CA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
15
Purpose
V
Project
WO_502311_TV21064_2015APRIL
Sewer Type
GRAVITY
Material
Reinforced Concrete Pipe
Shape
Circular
Height
33 in.
Upstream MH
21 1140
Downstream MH
21 1141
Dir. of Survey
Upstream
Length Surveyed
2.3 ft.
Total Length
2.3 ft.
Structural Index
4
Structural Quick
5121
Structural Rating
7
O&M Index
4
O&M Quick
4100
O&M Rating
4
Overall Index
4
Overall Quick
Overall Rating
11
Pipe schematic from manhole 21 1140 to 21 1141
MH: 21 1140MH: 21 1141upstream0 ft. MGO - General Observation - UPLEG SIPHON FROM THE DOWNSTREAM MH MH0 ft. MSA - Survey Abandoned - DUE TO SIPHON0.1 ft. SRV - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: YES0.1 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES2.3 ft. AMH - Downstream Manhole, Survey Begins - 21 1140 (0438)2.3 ft. MWL - Water Level, 35 %of cross sectional area2.3 ft. MWM - Water Mark, 70 %of cross sectional area

Observation photos (2)

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

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

  • Survey Abandoned - DUE TO SIPHON

    2.3 ft. - Survey Abandoned - DUE TO SIPHON

Observations (7)

DistanceCodeObservation
0AMH21 1140 (0438)
2.3MGOUPLEG SIPHON FROM THE DOWNSTREAM MH MH
0MWL
0MWM
2.2SRV
2.2SSS
2.3MSADUE TO SIPHON

Properties (8)

additional_info
SC201759
custom_field_two
5
customer
LACSD
datetime
2015-05-11T04:38:00-07:00
documentation
PRO-PIPE
is_lateral_inspection
false
lining
MAGNESIUM HYDROXIDE
year_laid
19841228