Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 22, 2020, 06:52 AM

  • H 0792_H 0791A _04222020_031029.mp4

Date
04/21/2020
W/O
824117
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00942
PipeID
P23092
Time
11:52 PM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
K7617
Sewer Name
H JOINT OUTFALL H - UNIT 9C
City
SAN DIMAS
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 22
Page No.
22
Purpose
Routine Assessment
Project
RFIR_WO_824117_TV22079_APR2020
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
20 in.
Width
20 in.
Upstream MH
H 0791A
Downstream MH
H 0792
Dir. of Survey
Upstream
Length Surveyed
495.4 ft.
Total Length
495.4 ft.
Structural Index
2
Structural Quick
2S12
Structural Rating
198
O&M Index
3
O&M Quick
413S
O&M Rating
304
Overall Index
3
Overall Quick
—
Overall Rating
502
Pipe schematic from manhole H 0791A to H 0792
MH: H 0791AMH: H 0792upstream0 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish - SLUDGE /65% MAG COATING0 ft. MSA - Survey Abandoned - NO TRACTION DUE TO SOFT SLUDGE0 ft. SRI - Surface Roughness Increased, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish1.4 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish2.4 ft. DAGS - Deposits Attached Grease, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish369 ft. MGO - General Observation - CREATING SLUDGE BUILDUP490 ft. SRI - Surface Roughness Increased, from 09 to 03 o'clock, within 8 inches of joint: YES, Start490 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start - SLUDGE /65% MAG COATING493.4 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start493.4 ft. DAGS - Deposits Attached Grease, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start495.4 ft. MWM - Water Mark, 20 %of cross sectional area495.4 ft. AMH - Downstream Manhole, Survey Begins - H 0791A495.4 ft. MWL - Water Level, 15 %of cross sectional area

Observation photos (2)

  • Deposits Settled Other, 20 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start - SLUDGE /65% MAG COATING

    5.4 ft. - Deposits Settled Other, 20 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start - SLUDGE /65% MAG COATING

  • General Observation - CREATING SLUDGE BUILDUP

    126.4 ft. - General Observation - CREATING SLUDGE BUILDUP

All inspections of P23092Work order 824117

Observations (13)

DistanceCodeObservation
5.4SRI—
495.4DSZSLUDGE /65% MAG COATING
495.4MSANO TRACTION DUE TO SOFT SLUDGE
126.4MGOCREATING SLUDGE BUILDUP
493DAGS—
0MWM—
495.4SRI—
5.4DSZSLUDGE /65% MAG COATING
494SSS—
2SSS—
0AMHH 0791A
2DAGS—
0MWL—

Properties (6)

additional_info
SC411167
custom_field_two
5
customer
LACSD
datetime
2020-04-21T23:52:15-07:00
documentation
PROPIPE
is_lateral_inspection
false