Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Dec 15, 2020, 09:40 AM
  • 05 2256_05 2255_12152020_014529.mp4

Date
12/15/2020
W/O
0864830
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00475
PipeID
P07379
Time
1:40 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
H1672
Sewer Name
05 LOMITA TRUNK EXTENSION RELIEF
City
LOMITA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 05
Page No.
31
Purpose
Routine Assessment
Project
20201214MDM_LOMITA_TRUNK_EXTENSION_RELIEF
Material
Vitrified Clay Pipe
Shape
Circular
Height
18 in.
Upstream MH
05 2256
Downstream MH
05 2255
Dir. of Survey
Downstream
Length Surveyed
177.6 ft.
Total Length
177.6 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 05 2256 to 05 2255
MH: 05 2256MH: 05 2255downstream0 ft. MGO - General Observation - Conn. @ Mh, 3 O' Clock. Active0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 1:40AM6.7 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: NO, Start - FLAKING-BLISTERING9.1 ft. MGO - General Observation - FLAKING OUTER LAYER48.1 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: NO, Finish - FLAKING BLISTERING177 ft. MGO - General Observation - Conn. @ Mh, 3 O' Clock. Active177.6 ft. AMH - Downstream Manhole, Survey Ends - 1:55AM

Observation photos (2)

  • Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: NO, Start - FLAKING-BLISTERING

    6.7 ft. - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: NO, Start - FLAKING-BLISTERING

  • General Observation - FLAKING OUTER LAYER

    9.1 ft. - General Observation - FLAKING OUTER LAYER

Observations (9)

DistanceCodeObservation
0MGOConn. @ Mh, 3 O' Clock. Active
6.7SSSFLAKING-BLISTERING
0MWM
9.1MGOFLAKING OUTER LAYER
0MWL
177.6AMH1:55AM
48.1SSSFLAKING BLISTERING
177MGOConn. @ Mh, 3 O' Clock. Active
0AMH1:40AM

Properties (6)

custom_field_three
SLIGHT FLAKING OUTER SURFACE
custom_field_two
4
customer
LACSD
datetime
2020-12-15T01:40:41-08:00
documentation
MARTIN,OLIVER 111,CASTILLO,RUVALCABA
is_lateral_inspection
false