Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Sep 15, 2021, 06:02 AM
  • 21 0881_21 0880_09142021_231339.mp4

Date
09/14/2021
W/O
911529
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00775
PipeID
P15969
Time
11:02 PM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K9363
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 0881
Downstream MH
21 0880
Dir. of Survey
Downstream
Length Surveyed
247.7 ft.
Total Length
247.7 ft.
Structural Index
2
Structural Quick
3I2J
Structural Rating
253
O&M Index
2
O&M Quick
2I00
O&M Rating
98
Overall Index
2
Overall Quick
Overall Rating
351
Pipe schematic from manhole 21 0881 to 21 0880
MH: 21 0881MH: 21 0880downstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 0881, ABANDONED MH0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. MWM - Water Mark, 25 %of cross sectional area2 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start2 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 03 to 09 o'clock, , within 8 inches of joint: YES, Start26 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Start26.3 ft. CS - Crack Spiral, from 09 to 10 o'clock, within 8 inches of joint: YES32.7 ft. MWL - Water Level, 40 %of cross sectional area40 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Finish48.7 ft. MWL - Water Level, 30 %of cross sectional area245 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish245 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish245.8 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish247.7 ft. MGO - General Observation - CONN @ MH 9 O'CLOCK/ACTIVE247.7 ft. AMH - Downstream Manhole, Survey Ends - 21 0880

Observation photos (4)

  • Upstream Manhole, Survey Begins - 21 0881, ABANDONED MH

    0 ft. - Upstream Manhole, Survey Begins - 21 0881, ABANDONED MH

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

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

  • Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock,  , within 8 inches of joint: YES, Start

    2 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start

  • Crack Spiral, from 09 to 10 o'clock, within 8 inches of joint: YES

    26.3 ft. - Crack Spiral, from 09 to 10 o'clock, within 8 inches of joint: YES

Observations (16)

DistanceCodeObservation
0AMH21 0881, ABANDONED MH
245CM
0MWL
0MWM
32.7MWL
245.8DAGS
48.7MWL
2CM
245SSS
26.3CS
247.7MGOCONN @ MH 9 O'CLOCK/ACTIVE
2SSS
40MWLS
26MWLS
2DAGS
247.7AMH21 0880

Properties (8)

additional_info
630069091421201
custom_field_three
SPALLING
custom_field_two
3
customer
1
datetime
2021-09-14T23:02:25-07:00
documentation
PRO PIPE
is_lateral_inspection
false
year_laid
43322