Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Oct 22, 2021, 10:54 AM
  • LC 0001_F 0073A_10222021_042335.mp4

Date
10/22/2021
W/O
0915998
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z01237
PipeID
P27020
Time
3:54 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
H1985
Sewer Name
02 LCWRP PLANT SEWERS
City
CERRITOS
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 02
Page No.
36
Purpose
Routine Assessment
Project
20211022MDM_LCWRP_PLANT_SEWERS
Material
Vitrified Clay Pipe
Shape
Circular
Height
24 in.
Upstream MH
LC 0001
Downstream MH
F 0073A
Dir. of Survey
Downstream
Length Surveyed
115.9 ft.
Total Length
115.9 ft.
Structural Index
2
Structural Quick
312A
Structural Rating
23
O&M Index
3
O&M Quick
4122
O&M Rating
8
Overall Index
2
Overall Quick
Overall Rating
31
Pipe schematic from manhole LC 0001 to F 0073A
MH: LC 0001MH: F 0073Adownstream0 ft. AMH - Upstream Manhole, Survey Begins - 4:25AM0 ft. MWL - Water Level, 5 %of cross sectional area0 ft. MWM - Water Mark, 50 %of cross sectional area6 ft. FC - Fracture Circumferential, from 04 to 05 o'clock, within 8 inches of joint: YES - SLIGHT8 ft. MGO - General Observation - THIN SCALE GREASE COAT ON PIPE11.7 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - SLUDGE DEBRIE16.8 ft. FC - Fracture Circumferential, from 11 to 01 o'clock, within 8 inches of joint: YES - HAIRLINE21.8 ft. FC - Fracture Circumferential, from 03 to 04 o'clock, within 8 inches of joint: YES - H21.8 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 07 to 05 o'clock, , within 8 inches of joint: YES, Start27.7 ft. FC - Fracture Circumferential, from 11 to 01 o'clock, within 8 inches of joint: YES - H32.9 ft. FC - Fracture Circumferential, from 07 to 11 o'clock, within 8 inches of joint: YES - H63.6 ft. FC - Fracture Circumferential, from 08 to 10 o'clock, within 8 inches of joint: YES - H63.6 ft. FC - Fracture Circumferential, from 03 to 04 o'clock, within 8 inches of joint: YES - H81.9 ft. FC - Fracture Circumferential, from 02 to 05 o'clock, within 8 inches of joint: YES - SL82.7 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish - SLUDGE DEBRIE88.7 ft. FC - Fracture Circumferential, from 07 to 08 o'clock, within 8 inches of joint: YES - H100.3 ft. FL - Fracture Longitudinal, at 08 o'clock, within 8 inches of joint: YES - H106.8 ft. SSS - Surface Spalling, from 07 to 05 o'clock, within 8 inches of joint: NO - FLAKING OUTER SURFACE113.1 ft. MGO - General Observation - SEVERE CORRODED CONCRETE SPILLWAY END OF PIPE115.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 07 to 05 o'clock, , within 8 inches of joint: YES, Finish115.9 ft. AMH - Downstream Manhole, Survey Ends - 4:55AM

Observation photos (5)

  • General Observation - THIN SCALE GREASE COAT ON PIPE

    8 ft. - General Observation - THIN SCALE GREASE COAT ON PIPE

  • Deposits Settled Other,  5 %of cross sectional area, from 05 to 07 o'clock,  , within 8 inches of joint: YES, Start - SLUDGE DEBRIE

    11.7 ft. - Deposits Settled Other, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - SLUDGE DEBRIE

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

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

  • Surface Spalling, from 07 to 05 o'clock, within 8 inches of joint: NO - FLAKING OUTER SURFACE

    106.8 ft. - Surface Spalling, from 07 to 05 o'clock, within 8 inches of joint: NO - FLAKING OUTER SURFACE

  • General Observation - SEVERE CORRODED CONCRETE SPILLWAY END OF PIPE

    113.1 ft. - General Observation - SEVERE CORRODED CONCRETE SPILLWAY END OF PIPE

Observations (21)

DistanceCodeObservation
63.6FCH
106.8SSSFLAKING OUTER SURFACE
0AMH4:25AM
100.3FLH
115.9AMH4:55AM
21.8FCH
63.6FCH
32.9FCH
82.7DSZSLUDGE DEBRIE
0MWL
11.7DSZSLUDGE DEBRIE
88.7FCH
16.8FCHAIRLINE
115.1DAGS
81.9FCSL
8MGOTHIN SCALE GREASE COAT ON PIPE
0MWM
113.1MGOSEVERE CORRODED CONCRETE SPILLWAY END OF PIPE
6FCSLIGHT
21.8DAGS
27.7FCH

Properties (5)

custom_field_three
SLIGHT HAILINE FRACTURES- SLIGHT SPALLING
custom_field_two
3
customer
LACSD
datetime
2021-10-22T03:54:20-07:00
is_lateral_inspection
false