Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Dec 15, 2020, 08:23 AM
  • 05 2257_05 2256_12152020_002656.mp4

Date
12/15/2020
W/O
0864830
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00475
PipeID
P07380
Time
12:23 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 2257
Downstream MH
05 2256
Dir. of Survey
Downstream
Length Surveyed
331.8 ft.
Total Length
331.8 ft.
Structural Index
2
Structural Quick
3122
Structural Rating
7
O&M Index
3
O&M Quick
4333
O&M Rating
23
Overall Index
3
Overall Quick
Overall Rating
30
Pipe schematic from manhole 05 2257 to 05 2256
MH: 05 2257MH: 05 2256downstream0 ft. AMH - Upstream Manhole, Survey Begins - 12:35AM0 ft. MWL - Water Level, 30 %of cross sectional area0 ft. MGO - General Observation - Conn. @ Mh, 3 O' Clock. Active0 ft. MWM - Water Mark, 50 %of cross sectional area1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 04 o'clock, , within 8 inches of joint: NO - INSIDE MH5 ft. FC - Fracture Circumferential, from 08 to 09 o'clock, within 8 inches of joint: YES - HAIRLINE41 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES - SLUDGE167.5 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - SLUDGE185.6 ft. MWM - Water Mark, 70 %of cross sectional area185.6 ft. MWL - Water Level, 40 %of cross sectional area185.6 ft. MWLS - Water Level, Sag in pipe, 30 %of cross sectional area225.4 ft. MWM - Water Mark, 40 %of cross sectional area225.4 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish - SLUDGE225.4 ft. MWL - Water Level, 20 %of cross sectional area243.4 ft. MWM - Water Mark, 70 %of cross sectional area243.4 ft. MWLS - Water Level, Sag in pipe, 40 %of cross sectional area, Start243.4 ft. MWL - Water Level, 50 %of cross sectional area246.3 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - SLUDGE280.7 ft. MWLS - Water Level, Sag in pipe, 40 %of cross sectional area, Finish280.7 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish - SLUDGE280.7 ft. MWM - Water Mark, 20 %of cross sectional area280.7 ft. MWL - Water Level, 10 %of cross sectional area331.3 ft. MGO - General Observation - Conn. @ Mh, 3 O' Clock. Active331.8 ft. AMH - Downstream Manhole, Survey Ends - 1:25AM

Observations (24)

DistanceCodeObservation
331.8AMH1:25AM
243.4MWM
243.4MWLS
280.7MWLS
0AMH12:35AM
280.7DSZSLUDGE
0MWL
0MGOConn. @ Mh, 3 O' Clock. Active
225.4MWM
225.4DSZSLUDGE
243.4MWL
5FCHAIRLINE
331.3MGOConn. @ Mh, 3 O' Clock. Active
185.6MWM
280.7MWM
225.4MWL
41DSZSLUDGE
185.6MWL
167.5DSZSLUDGE
0MWM
185.6MWLS
246.3DSZSLUDGE
280.7MWL
1DAGSINSIDE MH

Properties (6)

custom_field_three
HAIRLINE FRACTURE
custom_field_two
4
customer
LACSD
datetime
2020-12-15T00:23:06-08:00
documentation
MARTIN,OLIVER 111,CASTILLO,RUVALCABA
is_lateral_inspection
false