Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 1, 2018, 10:30 AM

  • 15 0455_15 0454_312018_024415.mp4

Date
03/01/2018
W/O
0692644
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00621
PipeID
P12380
Time
2:30 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
H0759
Sewer Name
15 POTRERO AVENUE TRUNK
City
EL MONTE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 15
Page No.
21
Purpose
Routine Assessment
Project
20180301MDM_POTRERO_AVENUE_TRUNK
Material
NRCP
Shape
Circular
Height
18 in.
Upstream MH
15 0455
Downstream MH
15 0454
Dir. of Survey
Downstream
Length Surveyed
322.7 ft.
Total Length
322.7 ft.
Structural Index
3
Structural Quick
3421
Structural Rating
14
O&M Index
2
O&M Quick
3122
O&M Rating
7
Overall Index
3
Overall Quick
—
Overall Rating
21
Pipe schematic from manhole 15 0455 to 15 0454
MH: 15 0455MH: 15 0454downstream0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 2:30AM2 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SLIGHT AGG2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - PEELING CONCRETE UNDER MAG COAT2 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - MODERATE AGG SPORATIC2 ft. MGO - General Observation - MAG COAT 95% START 8:00 TO 4:0038.6 ft. RML - Roots Medium Lateral, from 12 to 06 o'clock, 5 %, within 8 inches of joint: YES38.6 ft. TFD - Tap Factory Made Defective, at 12 o'clock, -, within 8 inches of joint: YES, 6" - Open-70% ROOTS83.1 ft. MGO - General Observation - 99% MAG COAT START120.4 ft. TF - Tap Factory Made, at 12 o'clock, -, within 8 inches of joint: YES, 6" - Open123.4 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: NO - MODERATE AGG SPORATIC167.9 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - SLUDGE SMALL ROCKS194.1 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish - SLUDGE SMALL ROCKS298.3 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: NO - MODERATE AGG SPORATIC322.2 ft. MGO - General Observation - Conn. @ Mh, 3 O' Clock. Active322.2 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - MODERATE AGG SPORATIC322.2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - PEELING CONCRETE UNDER MAG COAT322.2 ft. MGO - General Observation - 99% MAG COAT FINISH322.2 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - SLIGHT AGG322.7 ft. AMH - Downstream Manhole, Survey Ends - 3:35AM

Observation photos (8)

  • Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SLIGHT AGG

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

  • Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - PEELING CONCRETE UNDER MAG COAT

    2 ft. - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - PEELING CONCRETE UNDER MAG COAT

  • Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - MODERATE AGG SPORATIC

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

  • General Observation - MAG COAT 95% START 8:00 TO 4:00

    2 ft. - General Observation - MAG COAT 95% START 8:00 TO 4:00

  • Tap Factory Made Defective, at 12 o'clock, -, within 8 inches of joint: YES, 6" - Open-70% ROOTS

    38.6 ft. - Tap Factory Made Defective, at 12 o'clock, -, within 8 inches of joint: YES, 6" - Open-70% ROOTS

  • General Observation - 99% MAG COAT START

    83.1 ft. - General Observation - 99% MAG COAT START

  • Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: NO - MODERATE AGG SPORATIC

    123.4 ft. - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: NO - MODERATE AGG SPORATIC

  • Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: NO - MODERATE AGG SPORATIC

    298.3 ft. - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: NO - MODERATE AGG SPORATIC

All inspections of P12380Work order 0692644

Observations (21)

DistanceCodeObservation
194.1DSZSLUDGE SMALL ROCKS
123.4SAVMODERATE AGG SPORATIC
322.7AMH3:35AM
83.1MGO99% MAG COAT START
0MWM—
322.2MGOConn. @ Mh, 3 O' Clock. Active
298.3SAVMODERATE AGG SPORATIC
2SAVSLIGHT AGG
167.9DSZSLUDGE SMALL ROCKS
322.2SAVMODERATE AGG SPORATIC
38.6RML—
2SSSPEELING CONCRETE UNDER MAG COAT
322.2SSSPEELING CONCRETE UNDER MAG COAT
38.6TFDOpen-70% ROOTS
2SAVMODERATE AGG SPORATIC
120.4TFOpen
322.2MGO99% MAG COAT FINISH
322.2SAVSLIGHT AGG
2MGOMAG COAT 95% START 8:00 TO 4:00
0MWL—
0AMH2:30AM

Properties (4)

custom_field_three
THIN PEELING CONCRETE - MODERATE AGG SPORATIC
custom_field_two
4
customer
LACSD
datetime
2018-03-01T02:30:00-08:00