Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 22, 2020, 06:52 AM
  • H 0792_H 0791A _04222020_014558.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 0792
Downstream MH
H 0791A
Dir. of Survey
Downstream
Length Surveyed
257.5 ft.
Total Length
257.5 ft.
Structural Index
2
Structural Quick
2I1D
Structural Rating
127
O&M Index
3
O&M Quick
3S00
O&M Rating
306
Overall Index
2
Overall Quick
Overall Rating
433
Pipe schematic from manhole H 0792 to H 0791A
MH: H 0792MH: H 0791Adownstream0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - H 07920 ft. MWM - Water Mark, 15 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start4 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - SLUDGE /65% MAG COATING4.2 ft. FC - Fracture Circumferential, from 08 to 04 o'clock, within 8 inches of joint: NO140.5 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Start256 ft. DAGS - Deposits Attached Grease, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish256 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish257.5 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish257.5 ft. MSA - Survey Abandoned - NO TRACTION DUE TO SOFT SLUDGE257.5 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish - SLUDGE / MAG COATING

Observation photos (3)

  • Deposits Settled Other,  15 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start - SLUDGE /65% MAG COATING

    4 ft. - Deposits Settled Other, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - SLUDGE /65% MAG COATING

  • Fracture Circumferential, from 08 to 04 o'clock, within 8 inches of joint: NO

    4.2 ft. - Fracture Circumferential, from 08 to 04 o'clock, within 8 inches of joint: NO

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

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

Observations (13)

DistanceCodeObservation
0MWL
257.5SRI
256DAGS
0AMHH 0792
2DAGS
257.5MSANO TRACTION DUE TO SOFT SLUDGE
256SSS
4.2FC
4DSZSLUDGE /65% MAG COATING
2SSS
257.5DSZSLUDGE / MAG COATING
140.5SRI
0MWM

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