Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0May 2, 2017, 06:39 PM
Date
05/02/2017
W/O
635495
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00942
PipeID
P23089
Time
11:39 AM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
—
Pre-Cleaning
Not Known
Media Label
K4519
Sewer Name
H JOINT OUTFALL H - UNIT 9C
City
COVINA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 22
Page No.
22
Purpose
Routine Assessment
Project
WO_635495_TV22079_MAY2017
Material
NRCP
Shape
Circular
Height
20 in.
Width
20 in.
Upstream MH
H 0787
Downstream MH
H 0786A
Dir. of Survey
Downstream
Length Surveyed
462.7 ft.
Total Length
462.7 ft.
Structural Index
2
Structural Quick
2212
Structural Rating
6
O&M Index
2
O&M Quick
3123
O&M Rating
9
Overall Index
2
Overall Quick
—
Overall Rating
15
Pipe schematic from manhole H 0787 to H 0786A
MH: H 0787MH: H 0786Adownstream0 ft. MWL - Water Level, 15 %of cross sectional area0 ft. MWM - Water Mark, 30 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - H 07875 ft. DAGS - Deposits Attached Grease, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start35.1 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Start433.1 ft. MWLS - Water Level, Sag in pipe, 15 %of cross sectional area, Start456.8 ft. DSC - Deposits Settled Compacted, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES461.4 ft. DAE - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: NO462.7 ft. MWLS - Water Level, Sag in pipe, 15 %of cross sectional area, Finish462.7 ft. MSA - Survey Abandoned - DEBRIS462.7 ft. SRI - Surface Roughness Increased, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish462.7 ft. DAGS - Deposits Attached Grease, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish

Observation photos (5)

  • Deposits Attached Grease, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

    5 ft. - Deposits Attached Grease, 10 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start

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

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

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

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

  • Deposits Settled Compacted, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES

    456.8 ft. - Deposits Settled Compacted, 20 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES

  • Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: NO

    461.4 ft. - Deposits Attached Encrustation, 5 %of cross sectional area, from 08 to 04 o'clock, , within 8 inches of joint: NO

All inspections of P23089Work order 635495

Observations (12)

DistanceCodeObservation
5DAGS—
462.7MWLS—
0MWL—
456.8DSC—
462.7MSADEBRIS
433.1MWLS—
461.4DAE—
0MWM—
0AMHH 0787
462.7SRI—
35.1SRI—
462.7DAGS—

Properties (5)

additional_info
SC340733
custom_field_two
5
customer
LACSD
datetime
2017-05-02T11:39:15-07:00
sewer_category
Gravity