Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Feb 16, 2021, 06:47 AM
  • B 0981_B 0980_02152021_230051.mp4

Date
02/15/2021
W/O
875382
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00925
PipeID
P21717
Time
10:47 PM
Certificate
U-715-07000770
System Owner
1
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K7840
Sewer Name
B JOINT OUTFALL B - UNIT 8G RELIEF
City
DUARTE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 15
Page No.
09
Purpose
Routine Assessment
Project
WO_875382_TV15058_FEB2021
Sewer Type
Gravity
Material
Vitrified Clay Pipe
Shape
Circular
Height
21 in.
Width
21 in.
Upstream MH
B 0981
Downstream MH
B 0980
Dir. of Survey
Downstream
Length Surveyed
318 ft.
Total Length
318 ft.
Structural Index
2
Structural Quick
2B00
Structural Rating
34
O&M Index
2
O&M Quick
2L00
O&M Rating
126
Overall Index
2
Overall Quick
Overall Rating
160
Pipe schematic from manhole B 0981 to B 0980
MH: B 0981MH: B 0980downstream0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MWL - Water Level, 15 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - B 09812.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start20 ft. MWLS - Water Level, Sag in pipe, 15 %of cross sectional area, Start41.4 ft. MWLS - Water Level, Sag in pipe, 15 %of cross sectional area, Finish85.7 ft. MWL - Water Level, 25 %of cross sectional area97 ft. CL - Crack Longitudinal, at 03 o'clock, within 8 inches of joint: YES - POSSIBLE CRACK AT 3174.1 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Start197.8 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Finish233.6 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Start266.4 ft. MWLS - Water Level, Sag in pipe, 10 %of cross sectional area, Finish308.6 ft. MWL - Water Level, 35 %of cross sectional area316.3 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish318 ft. AMH - Downstream Manhole, Survey Ends - B 0980

Observation photos (4)

  • Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start

    2.1 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

  • Water Level, Sag in pipe, 15 %of cross sectional area, Start

    20 ft. - Water Level, Sag in pipe, 15 %of cross sectional area, Start

  • Water Level, Sag in pipe, 10 %of cross sectional area, Start

    174.1 ft. - Water Level, Sag in pipe, 10 %of cross sectional area, Start

  • Water Level, Sag in pipe, 10 %of cross sectional area, Start

    233.6 ft. - Water Level, Sag in pipe, 10 %of cross sectional area, Start

Observations (15)

DistanceCodeObservation
197.8MWLS
85.7MWL
233.6MWLS
20MWLS
2.1DAGS
318AMHB 0980
308.6MWL
316.3DAGS
266.4MWLS
174.1MWLS
97CLPOSSIBLE CRACK AT 3
0MWM
0MWL
41.4MWLS
0AMHB 0981

Properties (8)

additional_info
630138021521201
custom_field_three
SAGS THROUGHOUT PIPE
custom_field_two
3
customer
1
datetime
2021-02-15T22:47:29-08:00
documentation
PROPIPW
is_lateral_inspection
false
year_laid
35802