Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0May 11, 2015, 12:10 PM
  • 21 1144_21 1143_20150511_051857.mpg

Date
05/11/2015
W/O
502311
Weather
Dry
Operator/Surveyor
J. HARTOOG
Sewer ID
Z00780
PipeID
P16238
Time
5:10 AM
Certificate
U507-03-3386
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
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
Routine Assessment
Project
WO_502311_TV21064_2015APRIL
Sewer Type
GRAVITY
Material
Reinforced Concrete Pipe
Shape
Circular
Height
33 in.
Upstream MH
21 1144
Downstream MH
21 1143
Dir. of Survey
Downstream
Length Surveyed
2.2 ft.
Total Length
2.2 ft.
Structural Index
1
Structural Quick
1100
Structural Rating
1
O&M Index
5
O&M Quick
5200
O&M Rating
10
Overall Index
4
Overall Quick
Overall Rating
11
Pipe schematic from manhole 21 1144 to 21 1143
MH: 21 1144MH: 21 1143downstream0 ft. MWM - Water Mark, 80 %of cross sectional area0 ft. MWL - Water Level, 35 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 1143 (0511)0.2 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES2.2 ft. MGO - General Observation - DOWNLEG SIPHON FROM THE UPSTREAM MH2.2 ft. DAGS - Deposits Attached Grease, 40 %of cross sectional area, from 07 to 05 o'clock, , within 8 inches of joint: YES2.2 ft. MSA - Survey Abandoned - DUE TO SIPHON

Observation photos (1)

  • Survey Abandoned - DUE TO SIPHON

    2.2 ft. - Survey Abandoned - DUE TO SIPHON

Observations (7)

DistanceCodeObservation
2.2MGODOWNLEG SIPHON FROM THE UPSTREAM MH
0MWM
0.2SRI
2.2DAGS
0MWL
0AMH21 1143 (0511)
2.2MSADUE TO SIPHON

Properties (8)

additional_info
SC201759
custom_field_two
5
customer
LACSD
datetime
2015-05-11T05:10:04-07:00
documentation
PRO-PIPE
is_lateral_inspection
false
lining
MAGNESIUM HYROXIDE
year_laid
19841228