Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 10, 2021, 08:45 AM

  • 22 1151_22 1150_3102021_005315.mp4

Date
03/10/2021
W/O
0884459
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00792
PipeID
P17529
Time
12:45 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
H1744
Sewer Name
22 BUENA VISTA TRUNK
City
DUARTE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 22
Page No.
01
Purpose
Maintenance Related
Project
20210310MDM_BUENA_VISTA_TRUNK
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Upstream MH
22 1151
Downstream MH
22 1150
Dir. of Survey
Downstream
Length Surveyed
103.2 ft.
Total Length
103.2 ft.
Structural Index
2
Structural Quick
2300
Structural Rating
6
O&M Index
3
O&M Quick
3100
O&M Rating
3
Overall Index
2
Overall Quick
—
Overall Rating
9
Pipe schematic from manhole 22 1151 to 22 1150
MH: 22 1151MH: 22 1150downstream0 ft. AMH - Upstream Manhole, Survey Begins - 12:50AM0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MWL - Water Level, 10 %of cross sectional area2 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, - FLAKING OUTER SUFACE OR BUILDUP ON PIPE19.3 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start - FLAKING OUTER SURFACE19.3 ft. MGP - General Photograph - SPALLING PIPE20 ft. MGO - General Observation - SINKHOLE START APPOX 6' LONG 2' WIDE 2" DEEP24.8 ft. TF - Tap Factory Made, at 09 o'clock, -, within 8 inches of joint: YES, 6" - Open65.6 ft. MGP - General Photograph - UNUSAL AREA AT 12:0072.5 ft. RMJ - Roots Medium Joint, from 08 to 10 o'clock, 5 %, within 8 inches of joint: YESR72.5 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish - FLAKING OUTER SURFACE83.8 ft. TF - Tap Factory Made, at 09 o'clock, -, within 8 inches of joint: YES, 6" - Active102.5 ft. SSS - Surface Spalling, at 12 o'clock, within 8 inches of joint: NO - DEEPER SPALLING OR CHIPPED AREA102.5 ft. MGO - General Observation - Conn. @ Mh, 3 O' Clock. OPEN103.2 ft. AMH - Downstream Manhole, Survey Ends - 1:20AM

Observation photos (5)

  • Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start - FLAKING OUTER SURFACE

    19.3 ft. - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start - FLAKING OUTER SURFACE

  • General Photograph - SPALLING PIPE

    19.3 ft. - General Photograph - SPALLING PIPE

  • General Photograph - UNUSAL AREA AT 12:00

    65.6 ft. - General Photograph - UNUSAL AREA AT 12:00

  • Surface Spalling, at 12 o'clock, within 8 inches of joint: NO - DEEPER SPALLING OR CHIPPED AREA

    102.5 ft. - Surface Spalling, at 12 o'clock, within 8 inches of joint: NO - DEEPER SPALLING OR CHIPPED AREA

  • General Observation - Conn. @ Mh, 3 O' Clock. OPEN

    102.5 ft. - General Observation - Conn. @ Mh, 3 O' Clock. OPEN

All inspections of P17529Work order 0884459

Observations (15)

DistanceCodeObservation
102.5SSSDEEPER SPALLING OR CHIPPED AREA
0AMH12:50AM
24.8TFOpen
19.3SSSFLAKING OUTER SURFACE
20MGOSINKHOLE START APPOX 6' LONG 2' WIDE 2" DEEP
103.2AMH1:20AM
0MWM—
19.3MGPSPALLING PIPE
2SSSFLAKING OUTER SUFACE OR BUILDUP ON PIPE
83.8TFActive
65.6MGPUNUSAL AREA AT 12:00
0MWL—
72.5RMJ—
72.5SSSFLAKING OUTER SURFACE
102.5MGOConn. @ Mh, 3 O' Clock. OPEN

Properties (5)

additional_info
SINKHOLE
customer
LACSD
datetime
2021-03-10T00:45:17-08:00
documentation
MARTIN,CASTILLO
is_lateral_inspection
false