Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Apr 19, 2017, 05:06 AM
  • 22 0490_22 0489 _20170418_230029.mp4

Date
04/18/2017
W/O
630167
Weather
Dry
Operator/Surveyor
JUAN B
Sewer ID
Z00800
PipeID
P16829
Time
10:06 PM
Certificate
U-715-07000770
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
K4506
Sewer Name
22 COVINA CONNECTION EXTENSION TRUNK
City
COVINA
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 22
Page No.
31
Purpose
Routine Assessment
Project
WO_630167_TV22031_APR2017
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
10 in.
Width
10 in.
Upstream MH
22 0490
Downstream MH
22 0489
Dir. of Survey
Downstream
Length Surveyed
38.8 ft.
Total Length
38.8 ft.
Structural Index
3
Structural Quick
3100
Structural Rating
3
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
Overall Rating
5
Pipe schematic from manhole 22 0490 to 22 0489
MH: 22 0490MH: 22 0489downstream0 ft. AMH - Upstream Manhole, Survey Begins - 22 04900 ft. MWL - Water Level, 10 %of cross sectional area0.1 ft. MWM - Water Mark, 20 %of cross sectional area3.5 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Start3.5 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Start9.6 ft. MMC - Material Change, Vitrified clay pipe14.5 ft. MMC - Material Change, Concrete pipe (non-reinfored)38.8 ft. AMH - Downstream Manhole, Survey Ends - 22 048938.8 ft. SAV - Surface Aggregate Visible, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish38.8 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 04 to 08 o'clock, , within 8 inches of joint: YES, Finish

Observation photos (2)

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

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

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

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

Observations (10)

DistanceCodeObservation
38.8AMH22 0489
9.6MMC
0AMH22 0490
3.5SAV
38.8SAV
14.5MMC
0MWL
3.5DAGS
38.8DAGS
0.1MWM

Properties (6)

additional_info
SC340720
custom_field_two
3
customer
LACSD
datetime
2017-04-18T22:06:47-07:00
documentation
PROPIPE
is_lateral_inspection
false