Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Sep 6, 2019, 08:05 AM
  • 22 1281_22 1280 _09062019_012656.mp4

Date
09/06/2019
W/O
787515
Weather
Dry
Operator/Surveyor
N.ZAHREDDINE
Sewer ID
Z00806
PipeID
P16477
Time
1:05 AM
Certificate
U-109-7948
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K6080
Sewer Name
22 DISTRICT #22 MAIN RELIEF TRUNK
City
COVINA
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 22
Page No.
31
Purpose
Routine Assessment
Project
WO_787515_TV22107_SEP2019
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
27 in.
Width
27 in.
Upstream MH
22 1281
Downstream MH
22 1280
Dir. of Survey
Downstream
Length Surveyed
333.9 ft.
Total Length
339 ft.
Structural Index
2
Structural Quick
3J2L
Structural Rating
292
O&M Index
2
O&M Quick
2L00
O&M Rating
134
Overall Index
2
Overall Quick
Overall Rating
426
Pipe schematic from manhole 22 1281 to 22 1280
MH: 22 1281MH: 22 1280downstream0 ft. AMH - Upstream Manhole, Survey Begins - 22 12810 ft. MWL - Water Level, 20 %of cross sectional area0 ft. MWM - Water Mark, 40 %of cross sectional area2 ft. MGO - General Observation - MAGNEZIUM H.O COATING START6 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start14 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start70 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start330.6 ft. MGO - General Observation - MAGNEZIUM H.O COATING FINISH333 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish333 ft. AMH - Downstream Manhole, Survey Ends - 22 1280333 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish333.9 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish

Observation photos (4)

  • General Observation - MAGNEZIUM H.O COATING START

    2 ft. - General Observation - MAGNEZIUM H.O COATING START

  • Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock,  , within 8 inches of joint: YES, Start

    6 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start

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

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

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

    70 ft. - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start

Observations (12)

DistanceCodeObservation
14SSS
2MGOMAGNEZIUM H.O COATING START
333SSS
330.6MGOMAGNEZIUM H.O COATING FINISH
6DAGS
0AMH22 1281
333AMH22 1280
70SAV
333.9DAGS
0MWL
0MWM
333SAV

Properties (7)

additional_info
SC378420
custom_field_two
3
customer
LACSD
datetime
2019-09-06T01:05:50-07:00
documentation
PRO PIPE
is_lateral_inspection
false
year_laid
30238