Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 28, 2017, 06:40 PM
  • 29 0372_29 0371_7282017_115423.mp4

Date
07/28/2017
W/O
0646435
Weather
Dry
Operator/Surveyor
SANTIAGO OBREGON
Sewer ID
Z01018
PipeID
P24409
Time
11:40 AM
Certificate
U-1014-06022541
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
G7473
Sewer Name
29 21ST STREET TRUNK
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
20170728SHO_21ST_STREET_TRUNK
Material
Vitrified Clay Pipe
Shape
Circular
Height
8 in.
Upstream MH
29 0372
Downstream MH
29 0371
Dir. of Survey
Downstream
Length Surveyed
457.5 ft.
Total Length
457.5 ft.
Structural Index
3
Structural Quick
443A
Structural Rating
60
O&M Index
2
O&M Quick
2300
O&M Rating
6
Overall Index
2
Overall Quick
Overall Rating
66
Pipe schematic from manhole 29 0372 to 29 0371
MH: 29 0372MH: 29 0371downstream0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. MWM - Water Mark, 30 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 11552 ft. MMC - Material Change, Concrete pipe (non-reinfored)2.1 ft. SAV - Surface Aggregate Visible, from 07 to 05 o'clock, within 8 inches of joint: YES, Start13.5 ft. CC - Crack Circumferential, from 11 to 12 o'clock, within 8 inches of joint: YES26.7 ft. CM - Crack Multiple, from 11 to 01 o'clock, within 8 inches of joint: YES45.7 ft. CL - Crack Longitudinal, at 09 o'clock, within 8 inches of joint: YES71.6 ft. CC - Crack Circumferential, from 03 to 04 o'clock, within 8 inches of joint: YES86.7 ft. FM - Fracture Multiple, from 04 to 09 o'clock, within 8 inches of joint: YES109.9 ft. CC - Crack Circumferential, from 11 to 12 o'clock, within 8 inches of joint: YES118.7 ft. TFD - Tap Factory Made Defective, at 03 o'clock, -, within 8 inches of joint: NO, 6" - 50% FULL OF DEBRIS120.3 ft. CM - Crack Multiple, from 09 to 01 o'clock, within 8 inches of joint: YES128.7 ft. RPP - Repair Patch, from 03 to 05 o'clock, within 8 inches of joint: NO - HOLE WITH A PATCH REPAIR130.1 ft. H - Hole, from 04 to 05 o'clock, within 8 inches of joint: NO - MIGHT HAVE A REPAIR BEHIND133 ft. CM - Crack Multiple, from 11 to 03 o'clock, within 8 inches of joint: YES166.4 ft. CL - Crack Longitudinal, at 09 o'clock, within 8 inches of joint: YES177 ft. CL - Crack Longitudinal, at 09 o'clock, within 8 inches of joint: YES183 ft. TFD - Tap Factory Made Defective, at 03 o'clock, -, within 8 inches of joint: NO, 6" - 50% DEBRIS184.6 ft. FM - Fracture Multiple, from 11 to 01 o'clock, within 8 inches of joint: YES202.5 ft. CC - Crack Circumferential, from 09 to 10 o'clock, within 8 inches of joint: YES207.8 ft. CL - Crack Longitudinal, at 09 o'clock, within 8 inches of joint: YES247.9 ft. TFA - Tap Factory Made Active, at 02 o'clock, -, within 8 inches of joint: NO, 6"261.7 ft. FM - Fracture Multiple, from 08 to 12 o'clock, within 8 inches of joint: YES272.4 ft. CM - Crack Multiple, from 11 to 01 o'clock, within 8 inches of joint: YES278.2 ft. TFD - Tap Factory Made Defective, at 02 o'clock, -, within 8 inches of joint: NO, 6" - OPEN292.9 ft. CM - Crack Multiple, from 01 to 02 o'clock, within 8 inches of joint: YES297.8 ft. CM - Crack Multiple, from 11 to 01 o'clock, within 8 inches of joint: YES318.5 ft. CM - Crack Multiple, from 11 to 01 o'clock, within 8 inches of joint: YES350.6 ft. TF - Tap Factory Made, at 10 o'clock, -, within 8 inches of joint: NO, 6" - OPEN352.1 ft. CM - Crack Multiple, from 03 to 09 o'clock, within 8 inches of joint: YES379.3 ft. TFA - Tap Factory Made Active, at 02 o'clock, -, within 8 inches of joint: NO, 6"380.8 ft. CC - Crack Circumferential, from 11 to 12 o'clock, within 8 inches of joint: YES411.6 ft. CM - Crack Multiple, from 04 to 08 o'clock, within 8 inches of joint: YES432.7 ft. CC - Crack Circumferential, from 11 to 12 o'clock, within 8 inches of joint: YES455.2 ft. SAV - Surface Aggregate Visible, from 07 to 05 o'clock, within 8 inches of joint: YES, Finish457.5 ft. AMH - Downstream Manhole, Survey Ends - 1255457.5 ft. MGO - General Observation - CONNECTION OPEN @ MH, 3 O CLOCK

Observation photos (6)

  • Surface Aggregate Visible, from 07 to 05 o'clock, within 8 inches of joint: YES, Start

    2.1 ft. - Surface Aggregate Visible, from 07 to 05 o'clock, within 8 inches of joint: YES, Start

  • Fracture Multiple, from 04 to 09 o'clock, within 8 inches of joint: YES

    86.7 ft. - Fracture Multiple, from 04 to 09 o'clock, within 8 inches of joint: YES

  • Repair Patch, from 03 to 05 o'clock, within 8 inches of joint: NO - HOLE WITH A PATCH REPAIR

    128.7 ft. - Repair Patch, from 03 to 05 o'clock, within 8 inches of joint: NO - HOLE WITH A PATCH REPAIR

  • Hole, from 04 to 05 o'clock, within 8 inches of joint: NO - MIGHT HAVE A REPAIR BEHIND

    130.1 ft. - Hole, from 04 to 05 o'clock, within 8 inches of joint: NO - MIGHT HAVE A REPAIR BEHIND

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

    184.6 ft. - Fracture Multiple, from 11 to 01 o'clock, within 8 inches of joint: YES

  • Fracture Multiple, from 08 to 12 o'clock, within 8 inches of joint: YES

    261.7 ft. - Fracture Multiple, from 08 to 12 o'clock, within 8 inches of joint: YES

Observations (38)

DistanceCodeObservation
292.9CM
457.5AMH1255
247.9TFA
120.3CM
202.5CC
272.4CM
411.6CM
0MWL
13.5CC
177CL
26.7CM
352.1CM
350.6TFOPEN
278.2TFDOPEN
166.4CL
455.2SAV
379.3TFA
118.7TFD50% FULL OF DEBRIS
0MWM
318.5CM
261.7FM
2.1SAV
128.7RPPHOLE WITH A PATCH REPAIR
380.8CC
45.7CL
184.6FM
86.7FM
457.5MGOCONNECTION OPEN @ MH, 3 O CLOCK
109.9CC
133CM
207.8CL
71.6CC
297.8CM
130.1HMIGHT HAVE A REPAIR BEHIND
432.7CC
0AMH1155
183TFD50% DEBRIS
2MMC

Properties (4)

custom_field_three
HOLE, TONS OF CRACKS, FEW FRACTURES
custom_field_two
1
customer
LACSD
datetime
2017-07-28T11:40:53-07:00