Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Aug 20, 2021, 10:10 AM
  • 18 0566_18 0565_08202021_033015.mp4

Date
08/20/2021
W/O
906743
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00685
PipeID
P14416
Time
3:10 AM
Certificate
U-71507000770
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K9261
Sewer Name
18 LA MIRADA RELIEF TRUNK
City
NORWALK
Loc. details
Railway
Location Code
L
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
33 in.
Width
33 in.
Upstream MH
18 0565
Downstream MH
18 0566
Dir. of Survey
Upstream
Length Surveyed
336.5 ft.
Total Length
336.6 ft.
Structural Index
2
Structural Quick
2100
Structural Rating
2
O&M Index
2
O&M Quick
2200
O&M Rating
4
Overall Index
2
Overall Quick
Overall Rating
6
Pipe schematic from manhole 18 0565 to 18 0566
MH: 18 0565MH: 18 0566upstream0 ft. AMH - Upstream Manhole, Survey Ends - 18 05663 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish3 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish49.9 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"249.5 ft. TBC - Tap Break-In Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"331.2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start334.5 ft. MGO - General Observation - MAG COATING334.5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start336.6 ft. MWM - Water Mark, 35 %of cross sectional area336.6 ft. AMH - Downstream Manhole, Survey Begins - 18 0565336.6 ft. MWL - Water Level, 20 %of cross sectional area

Observation photos (2)

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

    2.1 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

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

Observations (11)

DistanceCodeObservation
5.4SSS
336.6AMH18 0566
0MWM
286.7TFC
2.1MGOMAG COATING
333.6DAGS
0AMH18 0565
0MWL
333.6SSS
2.1DAGS
87.1TBC

Properties (7)

additional_info
630138081921201
custom_field_three
SURFACE SPALLING
custom_field_two
3
customer
1
datetime
2021-08-20T03:10:40-07:00
documentation
PROPIPE
is_lateral_inspection
false