Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Nov 15, 2021, 09:31 AM
  • 22 0390_22 0389_11152021_014046.mp4

Date
11/15/2021
W/O
921606
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00831
PipeID
P16724
Time
1:31 AM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K9497
Sewer Name
22 WALNUT CREEK TRUNK, SECTION 3
City
COVINA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 22
Page No.
33
Purpose
Routine Assessment
Project
RFIR_WO_921606_TV22065_NOV2021
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
22 0390
Downstream MH
22 0389
Dir. of Survey
Downstream
Length Surveyed
329.7 ft.
Total Length
329.7 ft.
Structural Index
3
Structural Quick
3L2L
Structural Rating
323
O&M Index
2
O&M Quick
2L00
O&M Rating
130
Overall Index
2
Overall Quick
Overall Rating
453
Pipe schematic from manhole 22 0390 to 22 0389
MH: 22 0390MH: 22 0389downstream0 ft. AMH - Upstream Manhole, Survey Begins - 22 03900 ft. MWL - Water Level, 5 %of cross sectional area0 ft. MWM - Water Mark, 15 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start2 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start5.6 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start327.8 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish327.8 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish327.8 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish329.7 ft. AMH - Downstream Manhole, Survey Ends - 22 0389

Observation photos (3)

  • Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock,  , within 8 inches of joint: YES, Start

    2 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start

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

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

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

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

Observations (10)

DistanceCodeObservation
329.7AMH22 0389
5.6SSS
0AMH22 0390
2DAGS
0MWL
327.8SAP
2SAP
327.8DAGS
327.8SSS
0MWM

Properties (7)

additional_info
630069111521001
custom_field_three
SPALLING/PROJECTING AGGREGATE
custom_field_two
2
customer
1
datetime
2021-11-15T01:31:54-08:00
documentation
PRO PIPE
is_lateral_inspection
false