Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jul 21, 2021, 05:52 AM
  • 21 0616_21 0615_07202021_234553.mp4

Date
07/20/2021
W/O
901269
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00786
PipeID
P15768
Time
10:52 PM
Certificate
U-715-07000770
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K8683
Sewer Name
21 TRI-CITIES OUTFALL TRUNK
City
POMONA
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
15
Purpose
Routine Assessment
Project
RFIR_WO_901269_TV21114_JUL2021
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
15 in.
Width
15 in.
Upstream MH
21 0616
Downstream MH
21 0615
Dir. of Survey
Downstream
Length Surveyed
482.7 ft.
Total Length
482.7 ft.
Structural Index
3
Structural Quick
4A39
Structural Rating
71
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
73
Pipe schematic from manhole 21 0616 to 21 0615
MH: 21 0616MH: 21 0615downstream0 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 06165.4 ft. FS - Fracture Spiral, from 08 to 04 o'clock, within 8 inches of joint: YES19.4 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES39.7 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES44.6 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES82.5 ft. FM - Fracture Multiple, from 08 to 12 o'clock, within 8 inches of joint: YES93 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start178.5 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish178.5 ft. CM - Crack Multiple, from 11 to 01 o'clock, within 8 inches of joint: YES183.9 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES203.8 ft. FS - Fracture Spiral, from 08 to 10 o'clock, within 8 inches of joint: YES249.3 ft. MWLS - Water Level, Sag in pipe, 15 %of cross sectional area, Start252 ft. FM - Fracture Multiple, from 08 to 12 o'clock, within 8 inches of joint: YES257 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES275.3 ft. MWLS - Water Level, Sag in pipe, 15 %of cross sectional area, Finish312.9 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES340.3 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES368.7 ft. CS - Crack Spiral, from 03 to 05 o'clock, within 8 inches of joint: YES399.9 ft. FL - Fracture Longitudinal, at 10 o'clock, within 8 inches of joint: YES425 ft. FS - Fracture Spiral, from 02 to 05 o'clock, within 8 inches of joint: YES433.1 ft. FM - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES461.5 ft. FM - Fracture Multiple, from 07 to 09 o'clock, within 8 inches of joint: YES466.4 ft. FM - Fracture Multiple, from 12 to 05 o'clock, within 8 inches of joint: YES479.5 ft. FS - Fracture Spiral, from 02 to 05 o'clock, within 8 inches of joint: YES481.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish482.7 ft. AMH - Downstream Manhole, Survey Ends - 21 0615

Observation photos (21)

  • Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start

    0 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

  • Fracture Spiral, from 08 to 04 o'clock, within 8 inches of joint: YES

    5.4 ft. - Fracture Spiral, from 08 to 04 o'clock, within 8 inches of joint: YES

  • Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

    19.4 ft. - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

  • Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

    39.7 ft. - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

  • Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

    44.6 ft. - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

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

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

  • Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

    93 ft. - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

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

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

  • Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

    183.9 ft. - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

  • Fracture Spiral, from 08 to 10 o'clock, within 8 inches of joint: YES

    203.8 ft. - Fracture Spiral, from 08 to 10 o'clock, within 8 inches of joint: YES

  • Water Level, Sag in pipe, 15 %of cross sectional area, Start

    249.3 ft. - Water Level, Sag in pipe, 15 %of cross sectional area, Start

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

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

  • Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

    257 ft. - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

  • Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

    312.9 ft. - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

  • Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

    340.3 ft. - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

  • Crack Spiral, from 03 to 05 o'clock, within 8 inches of joint: YES

    368.7 ft. - Crack Spiral, from 03 to 05 o'clock, within 8 inches of joint: YES

  • Fracture Longitudinal, at 10 o'clock, within 8 inches of joint: YES

    399.9 ft. - Fracture Longitudinal, at 10 o'clock, within 8 inches of joint: YES

  • Fracture Spiral, from 02 to 05 o'clock, within 8 inches of joint: YES

    425 ft. - Fracture Spiral, from 02 to 05 o'clock, within 8 inches of joint: YES

  • Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

    433.1 ft. - Fracture Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES

  • Fracture Multiple, from 07 to 09 o'clock, within 8 inches of joint: YES

    461.5 ft. - Fracture Multiple, from 07 to 09 o'clock, within 8 inches of joint: YES

  • Fracture Multiple, from 12 to 05 o'clock, within 8 inches of joint: YES

    466.4 ft. - Fracture Multiple, from 12 to 05 o'clock, within 8 inches of joint: YES

Observations (29)

DistanceCodeObservation
481.1DAGS
0DAGS
203.8FS
368.7CS
82.5FM
183.9FM
482.7AMH21 0615
178.5FM
39.7FM
461.5FM
0MWL
93FM
433.1FM
252FM
399.9FL
5.4FS
44.6FM
178.5CM
0MWM
466.4FM
19.4FM
257CM
479.5FS
425FS
249.3MWLS
312.9CM
0AMH21 0616
275.3MWLS
340.3CM

Properties (7)

additional_info
630138072021201
custom_field_three
MULTIPLE FRACTURES
custom_field_two
2
customer
1
datetime
2021-07-20T22:52:12-07:00
documentation
PROPIPE
is_lateral_inspection
false