Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jan 19, 2021, 04:59 PM
  • A 0711_A 0710_01192021_092717.mp4

Date
01/19/2021
W/O
864944
Weather
Dry
Operator/Surveyor
N.ZAHREDDINE
Sewer ID
Z00316
PipeID
P07920
Time
8:59 AM
Certificate
U-109-7948
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K8100
Sewer Name
A JOA-1A DISTRICT 21 INTERCEPTOR
City
POMONA
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
14
Purpose
Routine Assessment
Project
RFIR_WO_864944_TV21041_DEC2020
Sewer Type
Siphon
Material
Reinforced Concrete Pipe
Shape
Circular
Height
39 in.
Width
75 in.
Upstream MH
A 0710
Downstream MH
A 0711
Dir. of Survey
Upstream
Length Surveyed
2.5 ft.
Total Length
2.5 ft.
Structural Index
3
Structural Quick
3121
Structural Rating
5
O&M Index
3
O&M Quick
4221
O&M Rating
10
Overall Index
3
Overall Quick
Overall Rating
15
Pipe schematic from manhole A 0710 to A 0711
MH: A 0710MH: A 0711upstream0 ft. MSA - Survey Abandoned - DUE TO SIPHON0.2 ft. LU - Alignment Up, 45 %0.3 ft. MGO - General Observation - VIEW OF U/S SIPHON FROM D/S MH0.5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES0.5 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES0.5 ft. SAV - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES2.5 ft. MWL - Water Level, 100 %of cross sectional area2.5 ft. MWM - Water Mark, 100 %of cross sectional area2.5 ft. AMH - Downstream Manhole, Survey Begins - A 0710

Observation photos (1)

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

    2 ft. - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES

Observations (9)

DistanceCodeObservation
2DAGS
2SSS
2.2MGOVIEW OF U/S SIPHON FROM D/S MH
2.5MSADUE TO SIPHON
2SAV
0MWL
0MWM
0AMHA 0710
2.3LU

Properties (8)

additional_info
630138011921071
custom_field_three
AGGREGATE VISIBLE
custom_field_two
3
customer
1
datetime
2021-01-19T08:59:13-08:00
documentation
PRO PIPE
is_lateral_inspection
false
year_laid
26232