Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Aug 20, 2021, 04:53 AM
  • 18 0557_18 0556A_08192021_222925.mp4

Date
08/19/2021
W/O
906743
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00685
PipeID
P14406
Time
9:53 PM
Certificate
U-715-07000770
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K9261
Sewer Name
18 LA MIRADA RELIEF TRUNK
City
NORWALK
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 18
Page No.
31
Purpose
Routine Assessment
Project
WO_906743_TV18082_AUG2021
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
36 in.
Width
36 in.
Upstream MH
18 0557
Downstream MH
18 0556A
Dir. of Survey
Downstream
Length Surveyed
648.8 ft.
Total Length
648.8 ft.
Structural Index
3
Structural Quick
3121
Structural Rating
5
O&M Index
3
O&M Quick
4131
O&M Rating
9
Overall Index
3
Overall Quick
Overall Rating
14
Pipe schematic from manhole 18 0557 to 18 0556A
MH: 18 0557MH: 18 0556Adownstream0 ft. MWM - Water Mark, 50 %of cross sectional area0 ft. MWL - Water Level, 45 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 18 055710 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start10 ft. MGO - General Observation - MAG COATING28.7 ft. TBC - Tap Break-In Capped, at 10 o'clock, -, within 8 inches of joint: NO, 8"38.1 ft. SAP - Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES, Start534.6 ft. OBZ - Obstacles Other, 15 %of cross sectional area, from 04 to 08 o'clock - LARGE DEBRIS647.7 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish647.7 ft. SAP - Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish648.8 ft. AMH - Downstream Manhole, Survey Ends - 18 0556A

Observation photos (2)

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

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

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

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

Observations (11)

DistanceCodeObservation
38.1SAP
648.8AMH18 0556A
10SSS
28.7TBC
0MWM
647.7SSS
0MWL
647.7SAP
534.6OBZLARGE DEBRIS
0AMH18 0557
10MGOMAG COATING

Properties (7)

additional_info
630138081921201
custom_field_three
AGGREGATE PROJECTING, SPALLING
custom_field_two
3
customer
1
datetime
2021-08-19T21:53:49-07:00
documentation
PROPIPE
is_lateral_inspection
false