Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 12, 2021, 02:30 PM
  • 29 0227_29 0226_03122021_080501.mp4

Date
03/12/2021
W/O
880119
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z01020
PipeID
P24129
Time
6:30 AM
Certificate
U-715-07000770
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K8662
Sewer Name
29 WALNUT AVENUE SEWER
City
SIGNAL HILL
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 29
Page No.
01
Purpose
Routine Assessment
Project
RFIR_WO_880119_TV29098_MAR2021
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
8 in.
Width
8 in.
Upstream MH
29 0227
Downstream MH
29 0226
Dir. of Survey
Downstream
Length Surveyed
344.3 ft.
Total Length
344.3 ft.
Structural Index
3
Structural Quick
4232
Structural Rating
17
O&M Index
2
O&M Quick
2111
O&M Rating
3
Overall Index
3
Overall Quick
Overall Rating
20
Pipe schematic from manhole 29 0227 to 29 0226
MH: 29 0227MH: 29 0226downstream0 ft. AMH - Upstream Manhole, Survey Begins - 29 02270 ft. MWL - Water Level, 5 %of cross sectional area0 ft. MWM - Water Mark, 10 %of cross sectional area99.5 ft. TFC - Tap Factory Made Capped, at 03 o'clock, -, within 8 inches of joint: NO, 6"197.5 ft. TFC - Tap Factory Made Capped, at 03 o'clock, -, within 8 inches of joint: NO, 6"261.1 ft. FM - Fracture Multiple, from 12 to 07 o'clock, within 8 inches of joint: YES271.6 ft. FS - Fracture Spiral, from 12 to 06 o'clock, within 8 inches of joint: YES276.7 ft. FM - Fracture Multiple, from 12 to 12 o'clock, within 8 inches of joint: YES282.4 ft. CS - Crack Spiral, from 06 to 10 o'clock, within 8 inches of joint: YES295.6 ft. LLD - Alignment Left Down, 10 %298.3 ft. JAM - Joint Angular Medium305.8 ft. CM - Crack Multiple, from 08 to 12 o'clock, within 8 inches of joint: YES336.1 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Start343.2 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: YES, Finish344.3 ft. AMH - Downstream Manhole, Survey Ends - 29 0226

Observation photos (7)

  • Fracture Multiple, from 12 to 07 o'clock, within 8 inches of joint: YES

    261.1 ft. - Fracture Multiple, from 12 to 07 o'clock, within 8 inches of joint: YES

  • Fracture Spiral, from 12 to 06 o'clock, within 8 inches of joint: YES

    271.6 ft. - Fracture Spiral, from 12 to 06 o'clock, within 8 inches of joint: YES

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

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

  • Crack Spiral, from 06 to 10 o'clock, within 8 inches of joint: YES

    282.4 ft. - Crack Spiral, from 06 to 10 o'clock, within 8 inches of joint: YES

  • Joint Angular Medium

    298.3 ft. - Joint Angular Medium

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

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

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

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

Observations (15)

DistanceCodeObservation
344.3AMH29 0226
295.6LLD
343.2DAE
99.5TFC
336.1DAE
298.3JAM
0AMH29 0227
261.1FM
282.4CS
0MWL
197.5TFC
276.7FM
271.6FS
0MWM
305.8CM

Properties (7)

additional_info
630138031221223
custom_field_three
FRACTURES, CRACKS
custom_field_two
2
customer
1
datetime
2021-03-12T06:30:12-08:00
documentation
PROPIPE
is_lateral_inspection
false