Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 30, 2021, 07:49 AM
  • A 0717_A 0716_07302021_010453.mp4

Date
07/30/2021
W/O
901661
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00314
PipeID
P07621
Time
12:49 AM
Certificate
U-715-07000770
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K8691
Sewer Name
A JOA-1A CHINO BASIN WASTEWATER LINE
City
POMONA
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
14
Purpose
Routine Assessment
Project
WO_901661_TV21024_JUL2021
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
36 in.
Width
15 in.
Upstream MH
A 0717
Downstream MH
A 0716
Dir. of Survey
Downstream
Length Surveyed
327.8 ft.
Total Length
327.8 ft.
Structural Index
3
Structural Quick
3222
Structural Rating
10
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
2
Overall Quick
Overall Rating
14
Pipe schematic from manhole A 0717 to A 0716
MH: A 0717MH: A 0716downstream0 ft. AMH - Upstream Manhole, Survey Begins - A 07170 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. MWL - Water Level, 20 %of cross sectional area4.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start4.1 ft. MGO - General Observation - MAG COATING51.4 ft. DSC - Deposits Settled Compacted, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - UNDER FLOW87.1 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start236.1 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start278.5 ft. MWLS - Water Level, Sag in pipe, 20 %of cross sectional area, Start315.4 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start315.4 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish325.7 ft. DSC - Deposits Settled Compacted, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish325.7 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish325.7 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish325.7 ft. MWLS - Water Level, Sag in pipe, 20 %of cross sectional area, Finish325.7 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish327.8 ft. AMH - Downstream Manhole, Survey Ends - A 0716

Observation photos (5)

  • Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start

    4.1 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

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

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

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

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

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

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

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

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

Observations (17)

DistanceCodeObservation
4.1DAGS
236.1SAV
0AMHA 0717
327.8AMHA 0716
325.7DSC
325.7SAP
315.4SAP
4.1MGOMAG COATING
325.7DAGS
325.7MWLS
315.4SAV
0MWM
87.1SSS
51.4DSCUNDER FLOW
0MWL
325.7SSS
278.5MWLS

Properties (7)

additional_info
630138072921201
custom_field_three
AGGREGATE PROJECTING, SEVERE SPALLING
custom_field_two
3
customer
1
datetime
2021-07-30T00:49:51-07:00
documentation
PROPIPE
is_lateral_inspection
false