Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0May 17, 2018, 05:46 AM
  • 21 0622_21 0591_16052018_225918.mp4

Date
05/16/2018
W/O
695754
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00787
PipeID
P15775
Time
10:46 PM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K5596
Sewer Name
21 TRI-CITIES OUTFALL RELIEF TRUNK
City
POMONA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
14
Purpose
Routine Assessment
Project
WO_695754_TV21086_APR2018
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
30 in.
Width
30 in.
Upstream MH
21 0622
Downstream MH
21 0591
Dir. of Survey
Downstream
Length Surveyed
164.3 ft.
Total Length
164.3 ft.
Structural Index
3
Structural Quick
513E
Structural Rating
150
O&M Index
2
O&M Quick
332E
O&M Rating
73
Overall Index
2
Overall Quick
Overall Rating
223
Pipe schematic from manhole 21 0622 to 21 0591
MH: 21 0622MH: 21 0591downstream0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 06220 ft. MWL - Water Level, 15 %of cross sectional area0 ft. MGO - General Observation - COCKROACHES IN MANHOLE2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start12.1 ft. SRV - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: YES16 ft. SAV - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Start16 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start146.3 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS163.5 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish163.5 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish163.5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish163.5 ft. SAV - Surface Aggregate Visible, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish164.3 ft. MGO - General Observation - COCKROACHES IN MANHOLE164.3 ft. MGO - General Observation - ACTIVE CONNECTION AT MH 5 O'CLOCK164.3 ft. AMH - Downstream Manhole, Survey Ends - 21 0591

Observation photos (4)

  • 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

  • Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: YES

    12.1 ft. - Surface Reinforcement Visible, at 12 o'clock, within 8 inches of joint: YES

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

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

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

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

Observations (16)

DistanceCodeObservation
146.3DSZDEBRIS
164.3MGOCOCKROACHES IN MANHOLE
0MWM
2DAGS
0AMH21 0622
164.3MGOACTIVE CONNECTION AT MH 5 O'CLOCK
0MWL
0MGOCOCKROACHES IN MANHOLE
163.5SSS
163.5DSZ
163.5DAGS
16SAV
16SSS
163.5SAV
164.3AMH21 0591
12.1SRV

Properties (5)

additional_info
SC359362
custom_field_two
2
customer
LACSD
datetime
2018-05-16T22:46:01-07:00
is_lateral_inspection
false