Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 23, 2020, 06:38 AM
  • H 0791A_H 0791 _04232020_002728.mp4

Date
04/22/2020
W/O
824117
Weather
Dry
Operator/Surveyor
J. BUENROSTRO
Sewer ID
Z00942
PipeID
P11200
Time
11:38 PM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K7618
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 0791
Dir. of Survey
Downstream
Length Surveyed
303.8 ft.
Total Length
303.8 ft.
Structural Index
2
Structural Quick
2K1B
Structural Rating
137
O&M Index
3
O&M Quick
3W00
O&M Rating
360
Overall Index
3
Overall Quick
Overall Rating
497
Pipe schematic from manhole H 0791A to H 0791
MH: H 0791AMH: H 0791downstream0 ft. AMH - Upstream Manhole, Survey Begins - H 0791A0 ft. MWL - Water Level, 10 %of cross sectional area0 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, Start4.5 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - SLUDGE / MAG COATING216.5 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Start301 ft. DAGS - Deposits Attached Grease, 15 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish301 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish303.8 ft. MSA - Survey Abandoned - NO TRACTION DUE TO SOFT SLUDGE303.8 ft. DSZ - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish - SLUDGE / MAG COATING303.8 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish

Observation photos (2)

  • Deposits Settled Other,  20 %of cross sectional area, from 04 to 08 o'clock,  , within 8 inches of joint: YES, Start - SLUDGE / MAG COATING

    4.5 ft. - Deposits Settled Other, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start - SLUDGE / MAG COATING

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

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

Observations (12)

DistanceCodeObservation
0AMHH 0791A
216.5SRI
303.8MSANO TRACTION DUE TO SOFT SLUDGE
301DAGS
2DAGS
2SSS
0MWL
0MWM
303.8DSZSLUDGE / MAG COATING
4.5DSZSLUDGE / MAG COATING
303.8SRI
301SSS

Properties (6)

additional_info
SC411168
custom_field_two
5
customer
LACSD
datetime
2020-04-22T23:38:18-07:00
documentation
PROPIPE
is_lateral_inspection
false