Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 31, 2020, 05:19 AM
  • 20 0613_20 0073_03302020_223425.mp4

Date
03/30/2020
W/O
818456
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18995
Time
10:19 PM
Certificate
U-111-11880
System Owner
LACSD
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K7507
Sewer Name
20 TRUNK "A"
City
PALMDALE
Loc. details
Light Highway
Location Code
C
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
02
Purpose
Routine Assessment
Project
RFIR_WO_818456_TV20023_MAR2020
Sewer Type
Gravity
Material
NRCP
Shape
Circular
Height
18 in.
Width
18 in.
Upstream MH
20 0073
Downstream MH
20 0613
Dir. of Survey
Upstream
Length Surveyed
29.6 ft.
Total Length
29.6 ft.
Structural Index
2
Structural Quick
3426
Structural Rating
24
O&M Index
3
O&M Quick
3600
O&M Rating
18
Overall Index
3
Overall Quick
Overall Rating
42
Pipe schematic from manhole 20 0073 to 20 0613
MH: 20 0073MH: 20 0613upstream0 ft. AMH - Upstream Manhole, Survey Ends - 20 06130 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish0 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish0 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish20.8 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start27.6 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start27.6 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS29.6 ft. MWL - Water Level, 5 %of cross sectional area29.6 ft. AMH - Downstream Manhole, Survey Begins - 20 007329.6 ft. MWM - Water Mark, 25 %of cross sectional area

Observation photos (3)

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

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

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

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

  • Upstream Manhole, Survey Ends - 20 0613

    29.6 ft. - Upstream Manhole, Survey Ends - 20 0613

Observations (10)

DistanceCodeObservation
29.6AMH20 0613
29.6DSZ
2SSS
29.6SSS
8.8SAP
29.6SAP
2DSZDEBRIS
0MWL
0AMH20 0073
0MWM

Properties (6)

additional_info
SC398847
custom_field_two
2
customer
LACSD
datetime
2020-03-30T22:19:51-07:00
documentation
PRO PIPE
is_lateral_inspection
false