Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Sep 4, 2019, 07:45 AM
  • 22 1242_22 1241 _09042019_010612.mp4

Date
09/04/2019
W/O
787515
Weather
Dry
Operator/Surveyor
N.ZAHREDDINE
Sewer ID
Z00806
PipeID
P16503
Time
12:45 AM
Certificate
U-109-7948
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K6078
Sewer Name
22 DISTRICT #22 MAIN RELIEF TRUNK
City
COVINA
Loc. details
Easement/Right of Way
Location Code
D
Use of Sewer
Sanitary Sewer
District
District 22
Page No.
26
Purpose
Routine Assessment
Project
WO_787515_TV22107_SEP2019
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
24 in.
Width
24 in.
Upstream MH
22 1242
Downstream MH
22 1241
Dir. of Survey
Downstream
Length Surveyed
500 ft.
Total Length
500 ft.
Structural Index
2
Structural Quick
2S00
Structural Rating
198
O&M Index
2
O&M Quick
2S00
O&M Rating
200
Overall Index
2
Overall Quick
Overall Rating
398
Pipe schematic from manhole 22 1242 to 22 1241
MH: 22 1242MH: 22 1241downstream0 ft. MWM - Water Mark, 40 %of cross sectional area0 ft. MWL - Water Level, 20 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 22 12420 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 START5.1 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start498.1 ft. MGO - General Observation - MAGNEZIUM H.O COATING FINISH499 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish499 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish500 ft. AMH - Downstream Manhole, Survey Ends - 22 1241

Observation photos (3)

  • Upstream Manhole, Survey Begins - 22 1242

    0 ft. - Upstream Manhole, Survey Begins - 22 1242

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

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

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

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

Observations (10)

DistanceCodeObservation
0MWM
0MWL
500AMH22 1241
499DAGS
2MGOMAGNEZIUM H.O COATING START
499SSS
498.1MGOMAGNEZIUM H.O COATING FINISH
5.1SSS
0AMH22 1242
0DAGS

Properties (7)

additional_info
SC378418
custom_field_two
3
customer
LACSD
datetime
2019-09-04T00:45:05-07:00
documentation
PRO PIPE
is_lateral_inspection
false
year_laid
29888