Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Aug 5, 2016, 08:13 PM

  • 29 0454_29 0369_852016_131653.mp4

Date
08/05/2016
W/O
0579968
Weather
Dry
Operator/Surveyor
MIRANDA
Sewer ID
Z00537
PipeID
P24495
Time
1:13 PM
Certificate
U-1014-06022542
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
G7196
Sewer Name
29 21ST STREET SEWER
City
SIGNAL HILL
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 29
Page No.
03
Purpose
Routine Assessment
Project
20160805AM_21ST_STREET_SEWER
Material
Vitrified Clay Pipe
Shape
Circular
Height
10 in.
Upstream MH
29 0454
Downstream MH
29 0369
Dir. of Survey
Downstream
Length Surveyed
105.2 ft.
Total Length
105.2 ft.
Structural Index
3
Structural Quick
4234
Structural Rating
28
O&M Index
3
O&M Quick
3100
O&M Rating
3
Overall Index
3
Overall Quick
—
Overall Rating
31
Pipe schematic from manhole 29 0454 to 29 0369
MH: 29 0454MH: 29 0369downstream0 ft. MGO - General Observation - ROACHES INSIDE THE MH.0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 1:16 PM0 ft. MWM - Water Mark, 45 %of cross sectional area12.6 ft. CM - Crack Multiple, from 07 to 05 o'clock, within 8 inches of joint: YES15.7 ft. CL - Crack Longitudinal, at 01 o'clock, within 8 inches of joint: YES37.3 ft. CL - Crack Longitudinal, at 12 o'clock, within 8 inches of joint: YES62.3 ft. JSM - Joint Separated Medium71.5 ft. CM - Crack Multiple, from 11 to 01 o'clock, within 8 inches of joint: YES72.3 ft. MWL - Water Level, 20 %of cross sectional area89.6 ft. FM - Fracture Multiple, from 12 to 04 o'clock, within 8 inches of joint: YES92.7 ft. JOL - Joint Offset Large95.8 ft. CM - Crack Multiple, from 10 to 01 o'clock, within 8 inches of joint: YES98.7 ft. B - Broken, from 11 to 01 o'clock, within 8 inches of joint: YES99.3 ft. DAGS - Deposits Attached Grease, 15 %of cross sectional area, from 02 to 10 o'clock, , within 8 inches of joint: YES, Start101.7 ft. JSM - Joint Separated Medium101.9 ft. FL - Fracture Longitudinal, at 02 o'clock, within 8 inches of joint: YES103.4 ft. DAGS - Deposits Attached Grease, 15 %of cross sectional area, from 02 to 10 o'clock, , within 8 inches of joint: YES, Finish104.6 ft. MGO - General Observation - SLIGHT DEBRIS THROUGHOUT THE REACH104.6 ft. MGO - General Observation - HAIRLINE CRACKS THROUGHOUT THE REACH104.6 ft. MGO - General Observation - SLIGHT TO MODERATE GREASE THROUGHOUT THE REACH105.2 ft. AMH - Downstream Manhole, Survey Ends - 1:41 PM

Observation photos (9)

  • Water Level, 10 %of cross sectional area

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

  • Water Mark, 45 %of cross sectional area

    0 ft. - Water Mark, 45 %of cross sectional area

  • Joint Separated Medium

    62.3 ft. - Joint Separated Medium

  • Water Level, 20 %of cross sectional area

    72.3 ft. - Water Level, 20 %of cross sectional area

  • Fracture Multiple, from 12 to 04 o'clock, within 8 inches of joint: YES

    89.6 ft. - Fracture Multiple, from 12 to 04 o'clock, within 8 inches of joint: YES

  • Joint Offset Large

    92.7 ft. - Joint Offset Large

  • Broken, from 11 to 01 o'clock, within 8 inches of joint: YES

    98.7 ft. - Broken, from 11 to 01 o'clock, within 8 inches of joint: YES

  • Deposits Attached Grease, 15 %of cross sectional area, from 02 to 10 o'clock, , within 8 inches of joint: YES, Start

    99.3 ft. - Deposits Attached Grease, 15 %of cross sectional area, from 02 to 10 o'clock, , within 8 inches of joint: YES, Start

  • Fracture Longitudinal, at 02 o'clock, within 8 inches of joint: YES

    101.9 ft. - Fracture Longitudinal, at 02 o'clock, within 8 inches of joint: YES

All inspections of P24495Work order 0579968

Observations (22)

DistanceCodeObservation
98.7B—
105.2AMH1:41 PM
0MGOROACHES INSIDE THE MH.
71.5CM—
12.6CM—
104.6MGOSLIGHT DEBRIS THROUGHOUT THE REACH
89.6FM—
101.7JSM—
103.4DAGS—
0MWL—
104.6MGOHAIRLINE CRACKS THROUGHOUT THE REACH
104.6MGOSLIGHT TO MODERATE GREASE THROUGHOUT THE REACH
0AMH1:16 PM
37.3CL—
0MWM—
92.7JOL—
15.7CL—
72.3MWL—
101.9FL—
95.8CM—
99.3DAGS—
62.3JSM—

Properties (4)

custom_field_three
BROKEN PIPE
custom_field_two
1
customer
LACSD
datetime
2016-08-05T13:13:25-07:00