Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 12, 2021, 03:17 PM
  • 29 0226_29 0225_03122021_083231.mp4

Date
03/12/2021
W/O
880119
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z01020
PipeID
P24128
Time
7:17 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
10 in.
Width
10 in.
Upstream MH
29 0225
Downstream MH
29 0226
Dir. of Survey
Upstream
Length Surveyed
40.6 ft.
Total Length
40.6 ft.
Structural Index
2
Structural Quick
3122
Structural Rating
8
O&M Index
0
O&M Quick
0000
O&M Rating
0
Overall Index
2
Overall Quick
Overall Rating
8
Pipe schematic from manhole 29 0225 to 29 0226
MH: 29 0225MH: 29 0226upstream0 ft. JOL - Joint Offset Large0 ft. CM - Crack Multiple, from 11 to 01 o'clock, within 8 inches of joint: NO, Finish0 ft. MWLS - Water Level, Sag in pipe, 30 %of cross sectional area, Finish0 ft. MSA - Survey Abandoned - LARGE OFFSET10.6 ft. MGO - General Observation - VIEW OBSTRUCTED DUE TO HIGH WATER LEVEL19.8 ft. MWLS - Water Level, Sag in pipe, 30 %of cross sectional area, Start22.4 ft. CM - Crack Multiple, from 11 to 01 o'clock, within 8 inches of joint: NO, Start24.4 ft. MWL - Water Level, 20 %of cross sectional area37.1 ft. CC - Crack Circumferential, from 12 to 12 o'clock, within 8 inches of joint: NO40.6 ft. MWM - Water Mark, 5 %of cross sectional area40.6 ft. MWL - Water Level, 5 %of cross sectional area40.6 ft. AMH - Downstream Manhole, Survey Begins - 29 0225

Observation photos (3)

  • Crack Circumferential, from 12 to 12 o'clock, within 8 inches of joint: NO

    3.5 ft. - Crack Circumferential, from 12 to 12 o'clock, within 8 inches of joint: NO

  • Crack Multiple, from 11 to 01 o'clock, within 8 inches of joint: NO, Start

    18.2 ft. - Crack Multiple, from 11 to 01 o'clock, within 8 inches of joint: NO, Start

  • Water Level, Sag in pipe, 30 %of cross sectional area, Start

    20.8 ft. - Water Level, Sag in pipe, 30 %of cross sectional area, Start

Observations (12)

DistanceCodeObservation
40.6JOL
20.8MWLS
40.6CM
0MWM
16.2MWL
40.6MWLS
18.2CM
0MWL
0AMH29 0225
3.5CC
40.6MSALARGE OFFSET
30MGOVIEW OBSTRUCTED DUE TO HIGH WATER LEVEL

Properties (7)

additional_info
630138031221223
custom_field_three
MSA DUE TO LARGE OFFSET
custom_field_two
5
customer
1
datetime
2021-03-12T07:17:32-08:00
documentation
PROPIPE
is_lateral_inspection
false