Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Feb 10, 2021, 09:39 PM
  • 21 0291_21 0290_02102021_134806.mp4

Date
02/10/2021
W/O
870709
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00763
PipeID
P15486
Time
1:39 PM
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
Main Highway - Urban
Location Code
A
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 0290
Downstream MH
21 0291
Dir. of Survey
Upstream
Length Surveyed
35.8 ft.
Total Length
35.8 ft.
Structural Index
2
Structural Quick
2616
Structural Rating
18
O&M Index
2
O&M Quick
3126
O&M Rating
15
Overall Index
2
Overall Quick
Overall Rating
33
Pipe schematic from manhole 21 0290 to 21 0291
MH: 21 0290MH: 21 0291upstream0 ft. MSA - Survey Abandoned - REVERSAL COMPLETED1.3 ft. MGO - General Observation - REACHED END POINT OF D/S SURVEY1.3 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish1.3 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish1.3 ft. DSC - Deposits Settled Compacted, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish1.4 ft. OBM - Obstacles Pipe Material, 20 %of cross sectional area, from 05 to 09 o'clock29 ft. DSC - Deposits Settled Compacted, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start31.3 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Start31.3 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start35.8 ft. MWL - Water Level, 15 %of cross sectional area35.8 ft. MWM - Water Mark, 15 %of cross sectional area35.8 ft. AMH - Downstream Manhole, Survey Begins - 21 029035.8 ft. MGO - Reversal Inspection

Observation photos (4)

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

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

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

    4.5 ft. - Surface Spalling, from 08 to 04 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

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

  • Obstacles Pipe Material, 20 %of cross sectional area, from 05 to 09 o'clock

    34.4 ft. - Obstacles Pipe Material, 20 %of cross sectional area, from 05 to 09 o'clock

Observations (13)

DistanceCodeObservation
34.5MGOREACHED END POINT OF D/S SURVEY
0MWL
4.5SRI
34.4OBM
34.5SSS
35.8MSAREVERSAL COMPLETED
34.5SRI
6.8DSC
34.5DSC
0MWM
0AMH21 0290
4.5SSS
0MGO

Properties (7)

additional_info
630075021021061
custom_field_three
SEVERE SPALLING, LARGE AMOUNTS OF MATERIAL FALLING
custom_field_two
2
customer
1
datetime
2021-02-10T13:39:33-08:00
documentation
PROPIPE
is_lateral_inspection
false