Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 28, 2021, 05:37 AM
  • 21 0731_21 0730_04272021_225529.mp4

Date
04/27/2021
W/O
885847
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00768
PipeID
P15843
Time
10:37 PM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K8790
Sewer Name
21 FIRST STREET DIVERSION TRUNK
City
POMONA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
16
Purpose
Routine Assessment
Project
RFIR_WO_885847_TV21113_APR2021
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
12 in.
Width
12 in.
Upstream MH
21 0731
Downstream MH
21 0730
Dir. of Survey
Downstream
Length Surveyed
393.9 ft.
Total Length
393.9 ft.
Structural Index
3
Structural Quick
3N00
Structural Rating
228
O&M Index
2
O&M Quick
412O
O&M Rating
160
Overall Index
3
Overall Quick
Overall Rating
388
Pipe schematic from manhole 21 0731 to 21 0730
MH: 21 0731MH: 21 0730downstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 07310 ft. MGO - General Observation - CONNECTION AT MH 9 O'CLOCK0 ft. MWL - Water Level, 40 %of cross sectional area0 ft. MWM - Water Mark, 50 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start9.1 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Start387.2 ft. CM - Crack Multiple, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish392.3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish393.9 ft. AMH - Downstream Manhole, Survey Ends - 21 0730393.9 ft. MGO - General Observation - COCKROACHES IN MANHOLE

Observation photos (3)

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

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

  • General Observation - COCKROACHES IN MANHOLE

    393.9 ft. - General Observation - COCKROACHES IN MANHOLE

Observations (10)

DistanceCodeObservation
9.1CM
2DAGS
0AMH21 0731
392.3DAGS
387.2CM
0MGOCONNECTION AT MH 9 O'CLOCK
0MWL
393.9AMH21 0730
0MWM
393.9MGOCOCKROACHES IN MANHOLE

Properties (7)

additional_info
630069042721201
custom_field_three
MULTIPLE CRACKS
custom_field_two
2
customer
1
datetime
2021-04-27T22:37:57-07:00
documentation
PRO PIPE
is_lateral_inspection
false