Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Aug 15, 2017, 06:40 PM

  • 32 0106_32 0074_8152017_120310.mp4

Date
08/15/2017
W/O
PENDING
Weather
Dry
Operator/Surveyor
IGNACIO
Sewer ID
Z00887
PipeID
P19850
Time
11:40 AM
Certificate
PENDING
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
G7491
Sewer Name
32 DISTRICT #32 MAIN TRUNK
City
VALENCIA
Loc. details
Yard
Location Code
Y
Use of Sewer
Sanitary Sewer
District
District 32
Page No.
04
Purpose
Maintenance Related
Project
20170815MI_DISTRICT_32_MAIN_TRUNK
Material
Reinforced Concrete Pipe
Shape
Circular
Height
30 in.
Upstream MH
32 0106
Downstream MH
32 0074
Dir. of Survey
Downstream
Length Surveyed
586 ft.
Total Length
586 ft.
Structural Index
2
Structural Quick
2100
Structural Rating
2
O&M Index
0
O&M Quick
0000
O&M Rating
0
Overall Index
2
Overall Quick
—
Overall Rating
2
Pipe schematic from manhole 32 0106 to 32 0074
MH: 32 0106MH: 32 0074downstream0 ft. AMH - Upstream Manhole, Survey Begins - 12:00 PM0 ft. MWL - Water Level, 25 %of cross sectional area0 ft. MWM - Water Mark, 40 %of cross sectional area8.9 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start8.9 ft. MGO - General Observation - MAG COAT FROM 8 TO 4 OCLOCK, 50%352.9 ft. TFA - Tap Factory Made Active, at 12 o'clock, -, within 8 inches of joint: NO, 8" - Active361.2 ft. MGO - General Observation - POSSIBLE BREAK IN CONNECTION AT 12 OCLOCK421.5 ft. MGO - General Observation - START OF SINKHOLE LOCATION APPROX 420' D/S462.6 ft. MGO - General Observation - END OF POSSIBLE SINKHOLE, 462' D/S586 ft. MSA - Survey Abandoned - NO SIGNS OF DAMAGE FROM SINKHOLE586 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish

Observation photos (5)

  • Tap Factory Made Active, at 12 o'clock, -, within 8 inches of joint: NO, 8" - Active

    352.9 ft. - Tap Factory Made Active, at 12 o'clock, -, within 8 inches of joint: NO, 8" - Active

  • General Observation - POSSIBLE BREAK IN CONNECTION AT 12 OCLOCK

    361.2 ft. - General Observation - POSSIBLE BREAK IN CONNECTION AT 12 OCLOCK

  • General Observation - START OF SINKHOLE LOCATION APPROX 420' D/S

    421.5 ft. - General Observation - START OF SINKHOLE LOCATION APPROX 420' D/S

  • General Observation - END OF POSSIBLE SINKHOLE, 462' D/S

    462.6 ft. - General Observation - END OF POSSIBLE SINKHOLE, 462' D/S

  • Survey Abandoned - NO SIGNS OF DAMAGE FROM SINKHOLE

    586 ft. - Survey Abandoned - NO SIGNS OF DAMAGE FROM SINKHOLE

All inspections of P19850Work order PENDING

Observations (11)

DistanceCodeObservation
8.9SSS—
586MSANO SIGNS OF DAMAGE FROM SINKHOLE
0AMH12:00 PM
361.2MGOPOSSIBLE BREAK IN CONNECTION AT 12 OCLOCK
8.9MGOMAG COAT FROM 8 TO 4 OCLOCK, 50%
0MWL—
421.5MGOSTART OF SINKHOLE LOCATION APPROX 420' D/S
0MWM—
352.9TFAActive
586SSS—
462.6MGOEND OF POSSIBLE SINKHOLE, 462' D/S

Properties (6)

additional_info
INSPECTING SINKHOLE APPROX. 420' D/S OF MH 106 (TOTAL SINKHOLE LENGTH APPROX 42')
custom_field_two
4
customer
LACSD
datetime
2017-08-15T11:40:57-07:00
documentation
IGNACIO, BRAR, SHADLER
is_lateral_inspection
false