Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 21, 2016, 04:58 PM

  • 29 0376_29 0375_7212016_100001.mp4

  • 29 0376_29 0375_7212016_102404.mp4

Date
07/21/2016
W/O
0579968
Weather
Very Dry
Operator/Surveyor
MIRANDA
Sewer ID
Z00537
PipeID
P24413
Time
9:58 AM
Certificate
U-1014-06022542
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
G7185
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.
04
Purpose
Routine Assessment
Project
20160721AM_21ST_STREET_SEWER
Material
Vitrified Clay Pipe
Shape
Circular
Height
8 in.
Upstream MH
29 0376
Downstream MH
29 0375
Dir. of Survey
Downstream
Length Surveyed
329.3 ft.
Total Length
329.3 ft.
Structural Index
3
Structural Quick
4137
Structural Rating
30
O&M Index
2
O&M Quick
2300
O&M Rating
6
Overall Index
3
Overall Quick
—
Overall Rating
36
Pipe schematic from manhole 29 0376 to 29 0375
MH: 29 0376MH: 29 0375downstream0 ft. MGO - General Observation - ROACHES INSIDE THE MH.0 ft. MWL - Water Level, 5 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 9:59 AM0 ft. MWM - Water Mark, 15 %of cross sectional area2 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: NO, Start2 ft. MMC - Material Change, Concrete pipe (non-reinfored)2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: NO, Start16.4 ft. TFD - Tap Factory Made Defective, at 02 o'clock, -, within 8 inches of joint: NO, 6" - OPEN, 45% BLOCKED51.4 ft. MGO - General Observation - CHIPPING79.9 ft. FL - Fracture Longitudinal, at 12 o'clock, within 8 inches of joint: YES84.9 ft. MGO - General Observation - CHIPPING109.3 ft. TFD - Tap Factory Made Defective, at 02 o'clock, -, within 8 inches of joint: NO, 6" - OPEN, 50% BLOCKED126.4 ft. FL - Fracture Longitudinal, at 12 o'clock, within 8 inches of joint: YES138.6 ft. TB - Tap Break-In, at 09 o'clock, -, within 8 inches of joint: YES, 6" - OPEN172.7 ft. FL - Fracture Longitudinal, at 11 o'clock, within 8 inches of joint: YES - POSSIBLY BROKEN172.8 ft. CM - Crack Multiple, from 09 to 02 o'clock, within 8 inches of joint: YES185.4 ft. CL - Crack Longitudinal, at 12 o'clock, within 8 inches of joint: YES203.6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, at 05 o'clock, , within 8 inches of joint: YES, Start208.3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, at 05 o'clock, , within 8 inches of joint: YES, Finish209.7 ft. TFA - Tap Factory Made Active, at 02 o'clock, -, within 8 inches of joint: NO, 6"213.9 ft. FL - Fracture Longitudinal, at 08 o'clock, within 8 inches of joint: YES220.1 ft. TF - Tap Factory Made, at 09 o'clock, -, within 8 inches of joint: NO, 6" - OPEN308.9 ft. FM - Fracture Multiple, from 09 to 11 o'clock, within 8 inches of joint: YES - POSSIBLY BROKEN311.3 ft. JOM - Joint Offset Medium312.5 ft. TF - Tap Factory Made, at 03 o'clock, -, within 8 inches of joint: NO, 6" - OPEN319.2 ft. CM - Crack Multiple, from 10 to 02 o'clock, within 8 inches of joint: YES327.9 ft. MGO - General Observation - SEPARATED JOINTS THROUGHOUT THE REACH327.9 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: NO, Finish327.9 ft. MGO - General Observation - CHIPPING THROUGHOUT THE REACH327.9 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: NO, Finish328.2 ft. MGO - General Observation - ROACHES INSIDE THE MH.329.3 ft. AMH - Downstream Manhole, Survey Ends - 10:44 AM

Observation photos (10)

  • Material Change, Concrete pipe (non-reinfored)

    2 ft. - Material Change, Concrete pipe (non-reinfored)

  • General Observation - CHIPPING

    51.4 ft. - General Observation - CHIPPING

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

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

  • Tap Factory Made Defective, at 02 o'clock, -, within 8 inches of joint: NO, 6" - OPEN, 50% BLOCKED

    109.3 ft. - Tap Factory Made Defective, at 02 o'clock, -, within 8 inches of joint: NO, 6" - OPEN, 50% BLOCKED

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

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

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

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

  • Deposits Attached Grease, 5 %of cross sectional area, at 05 o'clock, , within 8 inches of joint: YES, Start

    203.6 ft. - Deposits Attached Grease, 5 %of cross sectional area, at 05 o'clock, , within 8 inches of joint: YES, Start

  • Fracture Longitudinal, at 08 o'clock, within 8 inches of joint: YES

    213.9 ft. - Fracture Longitudinal, at 08 o'clock, within 8 inches of joint: YES

  • Fracture Multiple, from 09 to 11 o'clock, within 8 inches of joint: YES - POSSIBLY BROKEN

    308.9 ft. - Fracture Multiple, from 09 to 11 o'clock, within 8 inches of joint: YES - POSSIBLY BROKEN

  • Joint Offset Medium

    311.3 ft. - Joint Offset Medium

All inspections of P24413Work order 0579968

Observations (32)

DistanceCodeObservation
16.4TFDOPEN, 45% BLOCKED
84.9MGOCHIPPING
126.4FL—
327.9MGOSEPARATED JOINTS THROUGHOUT THE REACH
209.7TFA—
109.3TFDOPEN, 50% BLOCKED
220.1TFOPEN
329.3AMH10:44 AM
185.4CL—
0MGOROACHES INSIDE THE MH.
312.5TFOPEN
208.3DAGS—
203.6DAGS—
172.8CM—
311.3JOM—
0MWL—
327.9SAV—
138.6TBOPEN
2SAV—
328.2MGOROACHES INSIDE THE MH.
327.9MGOCHIPPING THROUGHOUT THE REACH
213.9FL—
319.2CM—
308.9FMPOSSIBLY BROKEN
79.9FL—
2MMC—
172.7FLPOSSIBLY BROKEN
51.4MGOCHIPPING
2SSS—
0AMH9:59 AM
0MWM—
327.9SSS—

Properties (4)

custom_field_three
FRACTURES/POSSIBLE BROKEN PIPE
custom_field_two
2
customer
LACSD
datetime
2016-07-21T09:58:47-07:00