Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Sep 14, 2021, 07:57 AM
  • 21 0885_21 0884_09142021_010923.mp4

Date
09/14/2021
W/O
911529
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00775
PipeID
P15973
Time
12:57 AM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K9362
Sewer Name
21 LA VERNE-"B" STREET TRUNK
City
LA VERNE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
05
Purpose
Routine Assessment
Project
RFIR_WO_911529_TV21054_SEP2021
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Width
12 in.
Upstream MH
21 0885
Downstream MH
21 0884
Dir. of Survey
Downstream
Length Surveyed
334.5 ft.
Total Length
334.5 ft.
Structural Index
3
Structural Quick
413T
Structural Rating
461
O&M Index
2
O&M Quick
2L00
O&M Rating
132
Overall Index
2
Overall Quick
Overall Rating
593
Pipe schematic from manhole 21 0885 to 21 0884
MH: 21 0885MH: 21 0884downstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 08850 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. MWL - Water Level, 20 %of cross sectional area2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start2 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start55.3 ft. FM - Fracture Multiple, from 12 to 04 o'clock, within 8 inches of joint: YES56 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Start85 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Finish132.6 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start332 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish332 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish332.3 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish332.3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish334.5 ft. AMH - Downstream Manhole, Survey Ends - 21 0884

Observation photos (3)

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

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

  • Fracture Multiple, from 12 to 04 o'clock, within 8 inches of joint: YES

    55.3 ft. - Fracture Multiple, from 12 to 04 o'clock, within 8 inches of joint: YES

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

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

Observations (15)

DistanceCodeObservation
55.3FM
2SSS
2DAGS
0AMH21 0885
85MWLS
2CM
0MWM
332CM
334.5AMH21 0884
332.3CM
56MWLS
132.6CM
332SSS
0MWL
332.3DAGS

Properties (7)

additional_info
630069091321202
custom_field_three
SPALLING/ MULTIPLE CRACKS
custom_field_two
3
customer
1
datetime
2021-09-14T00:57:17-07:00
documentation
PRO PIPE
is_lateral_inspection
false