Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 23, 2021, 10:24 AM
  • 02 2090_02 2089_4232021_034309.mp4

Date
04/23/2021
W/O
0886314
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00247
PipeID
P04406
Time
3:24 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
H1785
Sewer Name
02 DOUGLAS AVENUE RELIEF TRUNK
City
LOS ANGLES
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 02
Page No.
08
Purpose
Capital Improvement Program Assesment
Project
20210423MDM_DOUGLAS_AVENUE_RELIEF_TRUNK
Material
Vitrified Clay Pipe
Shape
Circular
Height
8 in.
Upstream MH
02 2090
Downstream MH
02 2089
Dir. of Survey
Downstream
Length Surveyed
120.2 ft.
Total Length
120.2 ft.
Structural Index
3
Structural Quick
3121
Structural Rating
5
O&M Index
3
O&M Quick
5131
O&M Rating
10
Overall Index
3
Overall Quick
Overall Rating
15
Pipe schematic from manhole 02 2090 to 02 2089
MH: 02 2090MH: 02 2089downstream0 ft. MWL - Water Level, 5 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 3:30AM0 ft. MWM - Water Mark, 20 %of cross sectional area2 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - SLUDGE2.5 ft. FC - Fracture Circumferential, from 09 to 06 o'clock, within 8 inches of joint: NO - SLIGHT7.2 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish - SLUDGE33.9 ft. TFD - Tap Factory Made Defective, at 02 o'clock, -, within 8 inches of joint: YES, 6" - Open-20% BLOCKAGE POSSIBLE CONCRETE110.5 ft. TF - Tap Factory Made, at 02 o'clock, -, within 8 inches of joint: YES, 6" - Open117.7 ft. MWLS - Water Level, Sag in pipe, 50 %of cross sectional area, Change117.7 ft. MWL - Water Level, 50 %of cross sectional area119.3 ft. DSZ - Deposits Settled Other, 40 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Change - SLUDGE120.2 ft. MSA - Survey Abandoned - 50% SLUDGE

Observation photos (3)

  • Tap Factory Made Defective, at 02 o'clock, -, within 8 inches of joint: YES, 6" - Open-20% BLOCKAGE POSSIBLE CONCRETE

    33.9 ft. - Tap Factory Made Defective, at 02 o'clock, -, within 8 inches of joint: YES, 6" - Open-20% BLOCKAGE POSSIBLE CONCRETE

  • Water Level, Sag in pipe, 50 %of cross sectional area, Change

    117.7 ft. - Water Level, Sag in pipe, 50 %of cross sectional area, Change

  • Deposits Settled Other,  40 %of cross sectional area, from 03 to 09 o'clock,  , within 8 inches of joint: YES, Change - SLUDGE

    119.3 ft. - Deposits Settled Other, 40 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Change - SLUDGE

Observations (12)

DistanceCodeObservation
117.7MWLS
33.9TFDOpen-20% BLOCKAGE POSSIBLE CONCRETE
119.3DSZSLUDGE
120.2MSA50% SLUDGE
0MWL
2.5FCSLIGHT
2DSZSLUDGE
7.2DSZSLUDGE
117.7MWL
110.5TFOpen
0AMH3:30AM
0MWM

Properties (5)

customer
LACSD
datetime
2021-04-23T03:24:48-07:00
documentation
MARTIN,OLIVER 111,CASTILLO
is_lateral_inspection
false
year_laid
19820504