Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Nov 24, 2020, 05:59 AM
  • 22 0121_22 0120_11232020_223106.mp4

Date
11/23/2020
W/O
854905
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00805
PipeID
P16363
Time
9:59 PM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K8256
Sewer Name
DISTRICT #22 MAIN TRUNK
City
COVINA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 22
Page No.
26
Purpose
Routine Assessment
Project
WO_854905_TV22151_OCT2020
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
21 in.
Width
21 in.
Upstream MH
22 0121
Downstream MH
22 0120
Dir. of Survey
Downstream
Length Surveyed
59.5 ft.
Total Length
59.5 ft.
Structural Index
2
Structural Quick
3A2C
Structural Rating
77
O&M Index
2
O&M Quick
412C
O&M Rating
48
Overall Index
2
Overall Quick
Overall Rating
125
Pipe schematic from manhole 22 0121 to 22 0120
MH: 22 0121MH: 22 0120downstream0 ft. MWM - Water Mark, 60 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 22 01210 ft. MGO - General Observation - ROACHES @ MANHOLE0 ft. MWL - Water Level, 50 %of cross sectional area2 ft. SAV - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Start2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start2 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Start2 ft. MGO - General Observation - 70% MAG COAT2 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start4.8 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS57 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Finish57.9 ft. SAV - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish57.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish57.9 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish57.9 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish59.5 ft. AMH - Downstream Manhole, Survey Ends - 22 0120

Observation photos (4)

  • General Observation - ROACHES @ MANHOLE

    0 ft. - General Observation - ROACHES @ MANHOLE

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

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

  • Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock,  , within 8 inches of joint: YES, Start

    2 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start

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

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

Observations (16)

DistanceCodeObservation
4.8DSZDEBRIS
2SAV
2DAGS
2MWLS
57.9SAV
0MWM
2MGO70% MAG COAT
59.5AMH22 0120
0AMH22 0121
2SSS
0MGOROACHES @ MANHOLE
57.9DAGS
57MWLS
57.9SSS
57.9DSZ
0MWL

Properties (7)

additional_info
630069112320201
custom_field_three
SPALLING/VISIBLE AGGREGATE/PIPE SAGS
custom_field_two
2
customer
1
datetime
2020-11-23T21:59:32-08:00
documentation
PRO PIPE
is_lateral_inspection
false