Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 26, 2016, 07:45 AM
  • 02 2138_02 2137_7262016_010207.mp4

Date
07/26/2016
W/O
0587375
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00284
PipeID
P04412
Time
12:45 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
H0205
Sewer Name
02 MONTEBELLO INTERCEPTOR TRUNK, SECTION 3
City
M0NTEBELLO
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 02
Page No.
14
Purpose
Maintenance Related
Project
20160726MDM_MONTEBELLO_INTERCEPTOR_TRUNK_SECTION_3
Material
Reinforced Concrete Pipe
Shape
Circular
Height
21 in.
Upstream MH
02 2138
Downstream MH
02 2137
Dir. of Survey
Downstream
Length Surveyed
123.4 ft.
Total Length
123.4 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 02 2138 to 02 2137
MH: 02 2138MH: 02 2137downstream0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. MGO - General Observation - SECOND SINKHOLE AREA AT 105'0 ft. AMH - Upstream Manhole, Survey Begins - 12:45AM0 ft. MGO - General Observation - SINKHOLE STARTS AT 50' DOWNSTREAM-20' LONG55.7 ft. MWLS - Water Level, Sag in pipe, 15 %of cross sectional area, Start58.6 ft. MWL - Water Level, 20 %of cross sectional area58.6 ft. MWM - Water Mark, 35 %of cross sectional area80.1 ft. MWLS - Water Level, Sag in pipe, 15 %of cross sectional area, Finish80.3 ft. MGO - General Observation - 21" RCP86.6 ft. MWL - Water Level, 10 %of cross sectional area86.6 ft. MWM - Water Mark, 20 %of cross sectional area123 ft. MGO - General Observation - DROP IN GRADE123.4 ft. MSA - Survey Abandoned - 1:10AM END OF SINKHOLE AREA

Observation photos (5)

  • Water Level, 10 %of cross sectional area

    0 ft. - Water Level, 10 %of cross sectional area

  • Water Level, Sag in pipe, 15 %of cross sectional area, Start

    55.7 ft. - Water Level, Sag in pipe, 15 %of cross sectional area, Start

  • Water Mark, 35 %of cross sectional area

    58.6 ft. - Water Mark, 35 %of cross sectional area

  • General Observation - 21" RCP

    80.3 ft. - General Observation - 21" RCP

  • General Observation - DROP IN GRADE

    123 ft. - General Observation - DROP IN GRADE

Observations (14)

DistanceCodeObservation
80.3MGO21" RCP
0MWM
0MWL
0MGOSECOND SINKHOLE AREA AT 105'
58.6MWL
55.7MWLS
0AMH12:45AM
123.4MSA1:10AM END OF SINKHOLE AREA
86.6MWL
123MGODROP IN GRADE
80.1MWLS
0MGOSINKHOLE STARTS AT 50' DOWNSTREAM-20' LONG
86.6MWM
58.6MWM

Properties (5)

customer
LACSD
datetime
2016-07-26T00:45:26-07:00
documentation
MARTIN,MANANES,REVELES,OLIVER 111
is_lateral_inspection
false
year_laid
19830810