Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Oct 22, 2019, 02:49 PM
  • 21 0281_21 0280 _102219_075122.mp4

Date
10/22/2019
W/O
787682
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00763
PipeID
P15476
Time
7:49 AM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K7067
Sewer Name
21 DISTRICT #21 OUTFALL TRUNK
City
WALNUT
Loc. details
Railway
Location Code
L
Use of Sewer
Sanitary Sewer
District
District 21
Page No.
28
Purpose
Routine Assessment
Project
RFIR_WO_787682_TV21096_SEP2019
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
30 in.
Width
30 in.
Upstream MH
21 0281
Downstream MH
21 0280
Dir. of Survey
Downstream
Length Surveyed
341.3 ft.
Total Length
341.3 ft.
Structural Index
3
Structural Quick
513L
Structural Rating
340
O&M Index
2
O&M Quick
2F00
O&M Rating
68
Overall Index
2
Overall Quick
Overall Rating
408
Pipe schematic from manhole 21 0281 to 21 0280
MH: 21 0281MH: 21 0280downstream0 ft. AMH - Upstream Manhole, Survey Begins - 21 02810 ft. MWL - Water Level, 25 %of cross sectional area0 ft. MWM - Water Mark, 30 %of cross sectional area4.1 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start5 ft. MGO - General Observation - MAG COAT THROUGHOUT5.8 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start66.2 ft. DSC - Deposits Settled Compacted, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start75.1 ft. B - Broken, from 07 to 09 o'clock, within 8 inches of joint: NO103.6 ft. MGO - General Observation - CAMERA UNSTABLE DUE TO DEBRIS151.3 ft. DSC - Deposits Settled Compacted, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish251.9 ft. DSC - Deposits Settled Compacted, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start339.4 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish339.4 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish339.4 ft. DSC - Deposits Settled Compacted, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish341.3 ft. AMH - Downstream Manhole, Survey Ends - 21 0280

Observation photos (4)

  • Upstream Manhole, Survey Begins - 21 0281

    0 ft. - Upstream Manhole, Survey Begins - 21 0281

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

    4.1 ft. - Surface Aggregate Visible, 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

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

  • Broken, from 07 to 09 o'clock, within 8 inches of joint: NO

    75.1 ft. - Broken, from 07 to 09 o'clock, within 8 inches of joint: NO

Observations (15)

DistanceCodeObservation
0AMH21 0281
103.6MGOCAMERA UNSTABLE DUE TO DEBRIS
0MWL
339.4SAV
251.9DSC
341.3AMH21 0280
0MWM
151.3DSC
5.8SSS
5MGOMAG COAT THROUGHOUT
4.1SAV
339.4SSS
75.1B
66.2DSC
339.4DSC

Properties (6)

additional_info
SC378667
custom_field_two
3
customer
LACSD
datetime
2019-10-22T07:49:24-07:00
documentation
PROPIPE
is_lateral_inspection
false