Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Feb 10, 2021, 06:30 PM
  • 21 0293_21 0292_02102021_105517.mp4

Date
02/10/2021
W/O
870709
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00763
PipeID
P15488
Time
10:30 AM
Certificate
U-715-07000770
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K7836
Sewer Name
21 DISTRICT #21 OUTFALL TRUNK
City
POMONA
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
18
Purpose
Routine Assessment
Project
RFIR_WO_870709_TV21044_JAN2021
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
27 in.
Width
27 in.
Upstream MH
21 0293
Downstream MH
21 0292
Dir. of Survey
Downstream
Length Surveyed
320.4 ft.
Total Length
320.4 ft.
Structural Index
2
Structural Quick
3121
Structural Rating
6
O&M Index
3
O&M Quick
3222
O&M Rating
10
Overall Index
2
Overall Quick
Overall Rating
16
Pipe schematic from manhole 21 0293 to 21 0292
MH: 21 0293MH: 21 0292downstream0 ft. MWM - Water Mark, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 21 02930 ft. MWL - Water Level, 5 %of cross sectional area2.5 ft. MGO - General Observation - MAG COATING2.5 ft. SRI - Surface Roughness Increased, from 07 to 05 o'clock, within 8 inches of joint: YES, Start52.7 ft. DSC - Deposits Settled Compacted, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start80.6 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start112.7 ft. MGO - General Observation - ABANDONED MH (ORIGINALLY 21 0293)146.6 ft. SRI - Surface Roughness Increased, from 07 to 05 o'clock, within 8 inches of joint: YES, Finish146.6 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start159.3 ft. DSC - Deposits Settled Compacted, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish196.9 ft. OBM - Obstacles Pipe Material, 20 %of cross sectional area, from 03 to 09 o'clock - APPEAR TO BE MAG COATING206.3 ft. DSC - Deposits Settled Compacted, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start215.8 ft. MGO - General Observation - MH NOT LOCATED AT 208'. FOOTAGE EXPECTED TO DIFFER DUE TO RELOCATED MH259.8 ft. DSC - Deposits Settled Compacted, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start259.8 ft. DSC - Deposits Settled Compacted, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish289 ft. DSC - Deposits Settled Compacted, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish318.2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish318.2 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish320.4 ft. AMH - Downstream Manhole, Survey Ends - 21 0292320.4 ft. MGO - General Observation - CONNECTION AT MH 9 O'CLOCK

Observation photos (8)

  • Surface Roughness Increased, from 07 to 05 o'clock, within 8 inches of joint: YES, Start

    2.5 ft. - Surface Roughness Increased, from 07 to 05 o'clock, within 8 inches of joint: YES, Start

  • Deposits Settled Compacted,  10 %of cross sectional area, from 05 to 07 o'clock,  , within 8 inches of joint: YES, Start

    52.7 ft. - Deposits Settled Compacted, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start

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

    80.6 ft. - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

  • General Observation - ABANDONED MH (ORIGINALLY 21 0293)

    112.7 ft. - General Observation - ABANDONED MH (ORIGINALLY 21 0293)

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

    146.6 ft. - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

  • Obstacles Pipe Material, 20 %of cross sectional area, from 03 to 09 o'clock - APPEAR TO BE MAG COATING

    196.9 ft. - Obstacles Pipe Material, 20 %of cross sectional area, from 03 to 09 o'clock - APPEAR TO BE MAG COATING

  • Deposits Settled Compacted,  5 %of cross sectional area, from 05 to 07 o'clock,  , within 8 inches of joint: YES, Start

    206.3 ft. - Deposits Settled Compacted, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start

  • Deposits Settled Compacted,  15 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start

    259.8 ft. - Deposits Settled Compacted, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

Observations (21)

DistanceCodeObservation
320.4AMH21 0292
2.5MGOMAG COATING
320.4MGOCONNECTION AT MH 9 O'CLOCK
206.3DSC
289DSC
318.2SSS
196.9OBMAPPEAR TO BE MAG COATING
215.8MGOMH NOT LOCATED AT 208'. FOOTAGE EXPECTED TO DIFFER DUE TO RELOCATED MH
259.8DSC
146.6SRI
0MWM
52.7DSC
259.8DSC
80.6SSS
0AMH21 0293
146.6SAV
2.5SRI
159.3DSC
112.7MGOABANDONED MH (ORIGINALLY 21 0293)
318.2SAV
0MWL

Properties (7)

additional_info
630075021021061
custom_field_three
SEVERE SPALLING, LARGE AMOUNTS OF MATERIAL FALLING
custom_field_two
2
customer
1
datetime
2021-02-10T10:30:22-08:00
documentation
PROPIPE
is_lateral_inspection
false