Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 25, 2016, 04:31 PM
  • 29 0537_29 0454_7252016_094244.mp4

Date
07/25/2016
W/O
0579968
Weather
Very Dry
Operator/Surveyor
MIRANDA
Sewer ID
Z00537
PipeID
P24615
Time
9:31 AM
Certificate
U-1014-06022542
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
G7187
Sewer Name
29 21ST STREET SEWER
City
SIGNAL HILL
Loc. details
Other
Location Code
Z
Use of Sewer
Sanitary Sewer
District
District 29
Page No.
03
Purpose
Routine Assessment
Project
20160721AM_21ST_STREET_SEWER
Material
Vitrified Clay Pipe
Shape
Circular
Height
10 in.
Upstream MH
29 0537
Downstream MH
29 0454
Dir. of Survey
Downstream
Length Surveyed
272.2 ft.
Total Length
272.2 ft.
Structural Index
3
Structural Quick
5142
Structural Rating
48
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
50
Pipe schematic from manhole 29 0537 to 29 0454
MH: 29 0537MH: 29 0454downstream0 ft. MWL - Water Level, 5 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 9:42 AM0 ft. MGO - General Observation - ROACHES INSIDE THE MH.0 ft. MWM - Water Mark, 5 %of cross sectional area5.1 ft. B - Broken, from 09 to 03 o'clock, within 8 inches of joint: YES8.2 ft. CM - Crack Multiple, from 11 to 01 o'clock, within 8 inches of joint: YES18.6 ft. TFD - Tap Factory Made Defective, at 01 o'clock, -, within 8 inches of joint: NO, 6" - OPEN, 20% BLOCKED26 ft. FL - Fracture Longitudinal, at 12 o'clock, within 8 inches of joint: YES50.5 ft. CL - Crack Longitudinal, at 01 o'clock, within 8 inches of joint: YES53.5 ft. CM - Crack Multiple, from 08 to 01 o'clock, within 8 inches of joint: YES56.5 ft. CL - Crack Longitudinal, at 11 o'clock, within 8 inches of joint: YES65.8 ft. FM - Fracture Multiple, from 08 to 05 o'clock, within 8 inches of joint: YES77.8 ft. CM - Crack Multiple, from 07 to 04 o'clock, within 8 inches of joint: YES80.8 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start130.9 ft. TFC - Tap Factory Made Capped, at 01 o'clock, -, within 8 inches of joint: NO, 6"135.1 ft. FC - Fracture Circumferential, from 09 to 10 o'clock, within 8 inches of joint: YES145.6 ft. TFC - Tap Factory Made Capped, at 01 o'clock, -, within 8 inches of joint: NO, 6"186.3 ft. FL - Fracture Longitudinal, at 11 o'clock, within 8 inches of joint: YES198.3 ft. FL - Fracture Longitudinal, at 12 o'clock, within 8 inches of joint: YES210.5 ft. FM - Fracture Multiple, from 10 to 11 o'clock, within 8 inches of joint: YES213.5 ft. JSL - Joint Separated Large237.9 ft. FL - Fracture Longitudinal, at 01 o'clock, within 8 inches of joint: YES268.2 ft. FL - Fracture Longitudinal, at 11 o'clock, within 8 inches of joint: YES271 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish271 ft. MGO - General Observation - SLIGHT GREASE/DEBRIS THROUGHOUT THE REACH271 ft. MGO - General Observation - OPEN/OFFSET JOINTS THROUGHOUT THE REACH271.2 ft. MGO - General Observation - CORRODED CHANNEL271.5 ft. MGO - General Observation - ROACHES INSIDE THE MH.272.2 ft. AMH - Downstream Manhole, Survey Ends - 10:12 AM

Observation photos (10)

  • Broken, from 09 to 03 o'clock, within 8 inches of joint: YES

    5.1 ft. - Broken, from 09 to 03 o'clock, within 8 inches of joint: YES

  • Tap Factory Made Defective, at 01 o'clock, -, within 8 inches of joint: NO, 6" - OPEN, 20% BLOCKED

    18.6 ft. - Tap Factory Made Defective, at 01 o'clock, -, within 8 inches of joint: NO, 6" - OPEN, 20% BLOCKED

  • Fracture Longitudinal, at 12 o'clock, within 8 inches of joint: YES

    26 ft. - Fracture Longitudinal, at 12 o'clock, within 8 inches of joint: YES

  • Fracture Circumferential, from 09 to 10 o'clock, within 8 inches of joint: YES

    135.1 ft. - Fracture Circumferential, from 09 to 10 o'clock, within 8 inches of joint: YES

  • Fracture Longitudinal, at 11 o'clock, within 8 inches of joint: YES

    186.3 ft. - Fracture Longitudinal, at 11 o'clock, within 8 inches of joint: YES

  • Fracture Longitudinal, at 12 o'clock, within 8 inches of joint: YES

    198.3 ft. - Fracture Longitudinal, at 12 o'clock, within 8 inches of joint: YES

  • Fracture Multiple, from 10 to 11 o'clock, within 8 inches of joint: YES

    210.5 ft. - Fracture Multiple, from 10 to 11 o'clock, within 8 inches of joint: YES

  • Joint Separated Large

    213.5 ft. - Joint Separated Large

  • Fracture Longitudinal, at 11 o'clock, within 8 inches of joint: YES

    268.2 ft. - Fracture Longitudinal, at 11 o'clock, within 8 inches of joint: YES

  • General Observation - CORRODED CHANNEL

    271.2 ft. - General Observation - CORRODED CHANNEL

Observations (29)

DistanceCodeObservation
8.2CM
186.3FL
210.5FM
5.1B
135.1FC
130.9TFC
50.5CL
198.3FL
271CM
65.8FM
0MWL
77.8CM
237.9FL
271MGOSLIGHT GREASE/DEBRIS THROUGHOUT THE REACH
271.5MGOROACHES INSIDE THE MH.
26FL
18.6TFDOPEN, 20% BLOCKED
272.2AMH10:12 AM
145.6TFC
53.5CM
271MGOOPEN/OFFSET JOINTS THROUGHOUT THE REACH
0AMH9:42 AM
0MGOROACHES INSIDE THE MH.
0MWM
213.5JSL
56.5CL
80.8CM
268.2FL
271.2MGOCORRODED CHANNEL

Properties (6)

custom_field_three
BROKEN PIPE
custom_field_two
1
customer
LACSD
datetime
2016-07-25T09:31:16-07:00
documentation
MIRANDA, FRANKLIN, SHADLER
is_lateral_inspection
false