Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Sep 27, 2016, 10:47 AM
  • 22 1292_22 1291 _09272016_034624.mp4

Date
09/27/2016
W/O
591676
Weather
Dry
Operator/Surveyor
J. HARTOOG
Sewer ID
Z00806
PipeID
P16488
Time
3:47 AM
Certificate
U5073386
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K3719
Sewer Name
22 DISTRICT #22 MAIN RELIEF TRUNK
City
COVINA, CA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 22
Page No.
32
Purpose
Routine Assessment
Project
WO_591676_TV22107_SEP2016
Material
Reinforced Concrete Pipe
Shape
Circular
Height
27 in.
Width
27 in.
Upstream MH
22 1292
Downstream MH
22 1291
Dir. of Survey
Downstream
Length Surveyed
545.7 ft.
Total Length
545.7 ft.
Structural Index
2
Structural Quick
2T00
Structural Rating
206
O&M Index
2
O&M Quick
352U
O&M Rating
231
Overall Index
2
Overall Quick
Overall Rating
437
Pipe schematic from manhole 22 1292 to 22 1291
MH: 22 1292MH: 22 1291downstream0 ft. MWL - Water Level, 10 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 22 12920 ft. MWM - Water Mark, 25 %of cross sectional area2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start2 ft. MGO - General Observation - MAG. H.OX START 95%67.8 ft. SSSC - Surface Spalling Chemical, from 08 to 04 o'clock, within 8 inches of joint: YES, Start174.2 ft. MWL - Water Level, 25 %of cross sectional area182 ft. OBR - Obstacles Rocks, 15 %of cross sectional area, from 04 to 08 o'clock, Start207 ft. OBR - Obstacles Rocks, 15 %of cross sectional area, from 04 to 08 o'clock, Finish210.2 ft. MWL - Water Level, 10 %of cross sectional area404.2 ft. MWLS - Water Level, Sag in pipe, 5 %of cross sectional area, Start446.1 ft. MWLS - Water Level, Sag in pipe, 5 %of cross sectional area, Finish541 ft. SSSC - Surface Spalling Chemical, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish542.5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish545.7 ft. AMH - Downstream Manhole, Survey Ends - 22 1291

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

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

    67.8 ft. - Surface Spalling Chemical, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

  • Obstacles Rocks, 15 %of cross sectional area, from 04 to 08 o'clock, Start

    182 ft. - Obstacles Rocks, 15 %of cross sectional area, from 04 to 08 o'clock, Start

  • Water Level, Sag in pipe, 5 %of cross sectional area, Start

    404.2 ft. - Water Level, Sag in pipe, 5 %of cross sectional area, Start

Observations (15)

DistanceCodeObservation
2DAGS
174.2MWL
0MWL
541SSSC
404.2MWLS
182OBR
0AMH22 1292
446.1MWLS
210.2MWL
67.8SSSC
545.7AMH22 1291
542.5DAGS
207OBR
0MWM
2MGOMAG. H.OX START 95%

Properties (6)

additional_info
SC303706
custom_field_two
4
customer
LACSD
datetime
2016-09-27T03:47:00-07:00
sewer_category
Gravity
year_laid
30330