Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Dec 14, 2020, 09:28 AM
  • 05 1791_05 2259_12142020_014819.mp4

Date
12/14/2020
W/O
0864830
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00475
PipeID
P07383
Time
1:28 AM
Certificate
U-1014-06022543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
H1671
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 1791
Downstream MH
05 2259
Dir. of Survey
Downstream
Length Surveyed
246.8 ft.
Total Length
246.8 ft.
Structural Index
2
Structural Quick
2A00
Structural Rating
20
O&M Index
4
O&M Quick
4231
O&M Rating
11
Overall Index
2
Overall Quick
Overall Rating
31
Pipe schematic from manhole 05 1791 to 05 2259
MH: 05 1791MH: 05 2259downstream0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 1:50AM0.1 ft. MGO - General Observation - Conn. @ Mh, 9 O' Clock. Active16.2 ft. FC - Fracture Circumferential, from 09 to 10 o'clock, within 8 inches of joint: YES - SLIGHT16.2 ft. JOL - Joint Offset Large - 9:00 TO 3:0016.5 ft. FC - Fracture Circumferential, from 01 to 05 o'clock, within 8 inches of joint: YES, Start - HAIRLINE16.5 ft. FC - Fracture Circumferential, from 08 to 12 o'clock, within 8 inches of joint: YES, Start - HAIRLINE20 ft. FC - Fracture Circumferential, from 10 to 12 o'clock, within 8 inches of joint: YES - SLIGHT20 ft. FC - Fracture Circumferential, from 01 to 05 o'clock, within 8 inches of joint: YES, Finish - H20 ft. FC - Fracture Circumferential, from 08 to 12 o'clock, within 8 inches of joint: YES, Finish - H20 ft. FC - Fracture Circumferential, from 12 to 03 o'clock, within 8 inches of joint: YES - SLIGHT114.4 ft. TFA - Tap Factory Made Active, at 02 o'clock, -, within 8 inches of joint: YES, 6" - Active146.3 ft. FC - Fracture Circumferential, from 08 to 11 o'clock, within 8 inches of joint: YES - SLIGHT146.3 ft. MWL - Water Level, 20 %of cross sectional area152.9 ft. FC - Fracture Circumferential, from 09 to 11 o'clock, within 8 inches of joint: YES - SL188.6 ft. MWM - Water Mark, 50 %of cross sectional area191.8 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - SLUDGE205.3 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish - SLUDGE220.2 ft. MWL - Water Level, 40 %of cross sectional area228.5 ft. DSZ - Deposits Settled Other, 30 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - SLUDGE230.6 ft. FC - Fracture Circumferential, from 08 to 10 o'clock, within 8 inches of joint: YES - SLIGHT242.3 ft. FC - Fracture Circumferential, from 08 to 11 o'clock, within 8 inches of joint: YES - H246.4 ft. DSZ - Deposits Settled Other, 30 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish - SLUDGE246.8 ft. MSA - Survey Abandoned - 30% SLUDGE

Observation photos (3)

  • Joint Offset Large - 9:00 TO 3:00

    16.2 ft. - Joint Offset Large - 9:00 TO 3:00

  • Fracture Circumferential, from 01 to 05 o'clock, within 8 inches of joint: YES, Start - HAIRLINE

    16.5 ft. - Fracture Circumferential, from 01 to 05 o'clock, within 8 inches of joint: YES, Start - HAIRLINE

  • Fracture Circumferential, from 08 to 12 o'clock, within 8 inches of joint: YES, Start - HAIRLINE

    16.5 ft. - Fracture Circumferential, from 08 to 12 o'clock, within 8 inches of joint: YES, Start - HAIRLINE

Observations (24)

DistanceCodeObservation
20FCSLIGHT
0MWL
228.5DSZSLUDGE
246.8MSA30% SLUDGE
220.2MWL
20FCH
16.2FCSLIGHT
0AMH1:50AM
16.2JOL9:00 TO 3:00
20FCH
20FCSLIGHT
205.3DSZSLUDGE
188.6MWM
152.9FCSL
0.1MGOConn. @ Mh, 9 O' Clock. Active
16.5FCHAIRLINE
114.4TFAActive
16.5FCHAIRLINE
242.3FCH
230.6FCSLIGHT
146.3FCSLIGHT
191.8DSZSLUDGE
246.4DSZSLUDGE
146.3MWL

Properties (6)

custom_field_three
SLIGHT FRACTURES-LARGE OFFSET JOINT
custom_field_two
3
customer
LACSD
datetime
2020-12-14T01:28:20-08:00
documentation
MARTIN,OLIVER 111,CASTILLO,RUVALCABA
is_lateral_inspection
false