Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Sep 14, 2021, 07:31 AM
  • 21 0887_21 0886_09142021_004431.mp4

Date
09/14/2021
W/O
911529
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00775
PipeID
P15975
Time
12:31 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.
02
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 0887
Downstream MH
21 0886
Dir. of Survey
Downstream
Length Surveyed
272.1 ft.
Total Length
272.1 ft.
Structural Index
3
Structural Quick
513J
Structural Rating
279
O&M Index
2
O&M Quick
5141
O&M Rating
123
Overall Index
2
Overall Quick
Overall Rating
402
Pipe schematic from manhole 21 0887 to 21 0886
MH: 21 0887MH: 21 0886downstream0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. MWM - Water Mark, 25 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 08870 ft. MGO - General Observation - CONN @ MH 9 O'CLOCK/ACTIVE2 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, Start115 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Start142.2 ft. MWM - Water Mark, 45 %of cross sectional area145.5 ft. B - Broken, from 10 to 02 o'clock, within 8 inches of joint: YES145.8 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS UNDER WATER151 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Finish151.3 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish151.3 ft. MWL - Water Level, 20 %of cross sectional area160.8 ft. MWM - Water Mark, 30 %of cross sectional area270 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish270 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish270.3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish272.1 ft. AMH - Downstream Manhole, Survey Ends - 21 0886272.1 ft. MGO - General Observation - CONN @ MH 9 O'CLOCK/ACTIVE

Observation photos (2)

  • 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

  • Broken, from 10 to 02 o'clock, within 8 inches of joint: YES

    145.5 ft. - Broken, from 10 to 02 o'clock, within 8 inches of joint: YES

Observations (20)

DistanceCodeObservation
0MWL
142.2MWM
0MWM
151.3DSZ
272.1AMH21 0886
2CM
2SSS
0AMH21 0887
115MWLS
145.8DSZDEBRIS UNDER WATER
270CM
270SSS
151MWLS
272.1MGOCONN @ MH 9 O'CLOCK/ACTIVE
2DAGS
151.3MWL
145.5B
160.8MWM
270.3DAGS
0MGOCONN @ MH 9 O'CLOCK/ACTIVE

Properties (7)

additional_info
630069091321202
custom_field_three
BROKEN PIPE
custom_field_two
2
customer
1
datetime
2021-09-14T00:31:09-07:00
documentation
PRO PIPE
is_lateral_inspection
false