Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Oct 14, 2020, 11:09 AM
  • 22 0722_22 0721_10142020_042420.mp4

Date
10/14/2020
W/O
#
Weather
Dry
Operator/Surveyor
MARTIN
Sewer ID
Z00818
PipeID
P17077
Time
4:09 AM
Certificate
U-104-0622543
System Owner
LACSD
Date Cleaned
Pre-Cleaning
Not Known
Media Label
H1588
Sewer Name
22 LONE HILL AVENUE TRUNK
City
SAN DIMAS
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 22
Page No.
14
Purpose
Maintenance Related
Project
20201014MDM_LONE_HILL_AVENUE_TRUNK
Material
ACP
Shape
Circular
Height
12 in.
Upstream MH
22 0722
Downstream MH
22 0721
Dir. of Survey
Downstream
Length Surveyed
60.8 ft.
Total Length
60.8 ft.
Structural Index
2
Structural Quick
2100
Structural Rating
2
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
2
Overall Quick
Overall Rating
4
Pipe schematic from manhole 22 0722 to 22 0721
MH: 22 0722MH: 22 0721downstream0 ft. AMH - Upstream Manhole, Survey Begins - 4:25AM0 ft. MWM - Water Mark, 20 %of cross sectional area0 ft. MWL - Water Level, 10 %of cross sectional area1 ft. MGO - General Observation - 12" ACP2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start - SLIGHT FLAKING11.1 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - ROCKS SLUDGE28.5 ft. DSZ - Deposits Settled Other, 5 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish - ROCKS SLUDGE60.3 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish - SLIGHT FLAKING60.8 ft. AMH - Downstream Manhole, Survey Ends - 4

Observation photos (2)

  • General Observation - 12" ACP

    1 ft. - General Observation - 12" ACP

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

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

Observations (9)

DistanceCodeObservation
0AMH4:25AM
60.3SSSSLIGHT FLAKING
60.8AMH4
2SSSSLIGHT FLAKING
0MWM
0MWL
1MGO12" ACP
11.1DSZROCKS SLUDGE
28.5DSZROCKS SLUDGE

Properties (4)

customer
LACSD
datetime
2020-10-14T04:09:27-07:00
documentation
MARTIN,CASTILLO,RUVALCABA
is_lateral_inspection
false