Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Sep 6, 2019, 05:23 AM
  • 22 1292_22 1291 _09052019_225850.mp4

Date
09/05/2019
W/O
787515
Weather
Dry
Operator/Surveyor
N.ZAHREDDINE
Sewer ID
Z00806
PipeID
P16488
Time
10:23 PM
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.
32
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 1292
Downstream MH
22 1291
Dir. of Survey
Downstream
Length Surveyed
544.3 ft.
Total Length
544.3 ft.
Structural Index
2
Structural Quick
362T
Structural Rating
228
O&M Index
2
O&M Quick
362U
O&M Rating
236
Overall Index
2
Overall Quick
Overall Rating
464
Pipe schematic from manhole 22 1292 to 22 1291
MH: 22 1292MH: 22 1291downstream0 ft. MWM - Water Mark, 35 %of cross sectional area0 ft. MWL - Water Level, 25 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 22 12920.1 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 - MAGNEZIUM H.O COATING START20 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start170.9 ft. MWLS - Water Level, Sag in pipe, 40 %of cross sectional area, Start179.9 ft. OBZ - Obstacles Other, 15 %of cross sectional area, from 04 to 08 o'clock, Start - DEBRIS203.1 ft. MWLS - Water Level, Sag in pipe, 40 %of cross sectional area, Finish209.1 ft. OBZ - Obstacles Other, 15 %of cross sectional area, from 04 to 08 o'clock, Finish - DEBRIS542.5 ft. MGO - General Observation - MAGNEZIUM H.O COATING FINISH544 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish544 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish544.3 ft. AMH - Downstream Manhole, Survey Ends - 22 1291

Observation photos (5)

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

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

  • General Observation - MAGNEZIUM H.O COATING START

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

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

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

  • Water Level, Sag in pipe, 40 %of cross sectional area, Start

    170.9 ft. - Water Level, Sag in pipe, 40 %of cross sectional area, Start

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

    179.9 ft. - Obstacles Other, 15 %of cross sectional area, from 04 to 08 o'clock, Start - DEBRIS

Observations (14)

DistanceCodeObservation
544SSS
0MWM
0MWL
209.1OBZDEBRIS
170.9MWLS
542.5MGOMAGNEZIUM H.O COATING FINISH
203.1MWLS
179.9OBZDEBRIS
544.3AMH22 1291
0.1DAGS
0AMH22 1292
544DAGS
20SSS
2MGOMAGNEZIUM H.O COATING START

Properties (7)

additional_info
SC378420
custom_field_two
3
customer
LACSD
datetime
2019-09-05T22:23:52-07:00
documentation
PRO PIPE
is_lateral_inspection
false
year_laid
30330