Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 25, 2019, 10:41 AM
  • 21 0772_21 0771_03252019_035221.mp4

  • 21 0772_21 0771_04032019_221356.mp4

Date
03/25/2019
W/O
755771
Weather
Dry
Operator/Surveyor
E.RUIZ
Sewer ID
Z00773
PipeID
P15885
Time
3:41 AM
Certificate
U-715-07000753
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K6493
Sewer Name
21 LA VERNE TRUNK, SECTION 3
City
POMONA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
09
Purpose
Routine Assessment
Project
RFIR_WO_755771_TV21053_MAR2019
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Width
12 in.
Upstream MH
21 0772
Downstream MH
21 0771
Dir. of Survey
Downstream
Length Surveyed
104.9 ft.
Total Length
104.9 ft.
Structural Index
2
Structural Quick
512A
Structural Rating
29
O&M Index
1
O&M Quick
1100
O&M Rating
1
Overall Index
2
Overall Quick
Overall Rating
30
Pipe schematic from manhole 21 0772 to 21 0771
MH: 21 0772MH: 21 0771downstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 07720 ft. MWL - Water Level, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 07820 ft. MWM - Water Mark, 35 %of cross sectional area12.2 ft. LR - Alignment Right, 10 %41.3 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start59.4 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish59.4 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Start75.5 ft. B - Broken, from 08 to 03 o'clock, within 8 inches of joint: YES79 ft. FC - Fracture Circumferential, from 08 to 04 o'clock, within 8 inches of joint: YES81.1 ft. CL - Crack Longitudinal, at 12 o'clock, within 8 inches of joint: YES90 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Finish104.9 ft. AMH - Downstream Manhole, Survey Ends - 21 0771

Observation photos (5)

  • Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start

    41.3 ft. - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start

  • Water Level, Sag in pipe, 10 %of cross sectional area, Start

    59.4 ft. - Water Level, Sag in pipe, 10 %of cross sectional area, Start

  • Broken, from 08 to 03 o'clock, within 8 inches of joint: YES

    75.5 ft. - Broken, from 08 to 03 o'clock, within 8 inches of joint: YES

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

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

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

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

Observations (13)

DistanceCodeObservation
81.1CL
0AMH21 0772
59.4SSS
90MWLS
12.2LR
0MWL
0AMH21 0782
59.4MWLS
75.5B
41.3SSS
0MWM
79FC
104.9AMH21 0771

Properties (5)

custom_field_two
1
customer
LACSD
datetime
2019-03-25T03:41:10-07:00
documentation
PROPIPE
is_lateral_inspection
false