Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Sep 4, 2019, 08:07 AM
  • 22 1241_22 1240 _09042019_012044.mp4

Date
09/04/2019
W/O
787515
Weather
Dry
Operator/Surveyor
N.ZAHREDDINE
Sewer ID
Z00806
PipeID
P16502
Time
1:07 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.
32
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 1241
Downstream MH
22 1240
Dir. of Survey
Downstream
Length Surveyed
148.2 ft.
Total Length
148.2 ft.
Structural Index
2
Structural Quick
2E00
Structural Rating
56
O&M Index
2
O&M Quick
2B00
O&M Rating
26
Overall Index
2
Overall Quick
Overall Rating
82
Pipe schematic from manhole 22 1241 to 22 1240
MH: 22 1241MH: 22 1240downstream0 ft. AMH - Upstream Manhole, Survey Begins - 22 12410 ft. MWL - Water Level, 20 %of cross sectional area0 ft. MWM - Water Mark, 35 %of cross sectional area2 ft. MGO - General Observation - MAGNEZIUM H.O COATING START5.1 ft. SSS - Surface Spalling, from 07 to 05 o'clock, within 8 inches of joint: YES, Start83.1 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start144.5 ft. MGO - General Observation - MAGNEZIUM H.O COATING FINISH145 ft. SSS - Surface Spalling, from 07 to 05 o'clock, within 8 inches of joint: YES, Finish148 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish148.2 ft. MGO - General Observation - CONNECTIONS IN MH AT BOTH 3 AND 9 O' CLOCK148.2 ft. AMH - Downstream Manhole, Survey Ends - 22 1240

Observation photos (4)

  • Upstream Manhole, Survey Begins - 22 1241

    0 ft. - Upstream Manhole, Survey Begins - 22 1241

  • General Observation - MAGNEZIUM H.O COATING START

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

  • Surface Spalling, from 07 to 05 o'clock, within 8 inches of joint: YES, Start

    5.1 ft. - Surface Spalling, from 07 to 05 o'clock, within 8 inches of joint: YES, Start

  • Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock,  , within 8 inches of joint: YES, Start

    83.1 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start

Observations (11)

DistanceCodeObservation
148DAGS
144.5MGOMAGNEZIUM H.O COATING FINISH
2MGOMAGNEZIUM H.O COATING START
148.2MGOCONNECTIONS IN MH AT BOTH 3 AND 9 O' CLOCK
0AMH22 1241
5.1SSS
0MWL
145SSS
83.1DAGS
148.2AMH22 1240
0MWM

Properties (7)

additional_info
SC378418
custom_field_two
3
customer
LACSD
datetime
2019-09-04T01:07:52-07:00
documentation
PRO PIPE
is_lateral_inspection
false
year_laid
29888