Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 31, 2020, 05:39 AM
  • 20 0073_20 0072_03302020_233525.mp4

Date
03/30/2020
W/O
818456
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18994
Time
10:39 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 0072
Dir. of Survey
Downstream
Length Surveyed
221.6 ft.
Total Length
221.6 ft.
Structural Index
3
Structural Quick
3H2H
Structural Rating
220
O&M Index
2
O&M Quick
2E00
O&M Rating
56
Overall Index
2
Overall Quick
Overall Rating
276
Pipe schematic from manhole 20 0073 to 20 0072
MH: 20 0073MH: 20 0072downstream0 ft. MWM - Water Mark, 30 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 00730 ft. MWL - Water Level, 5 %of cross sectional area2 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start2 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start36.2 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"82.1 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS138.1 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"187.3 ft. TFC - Tap Factory Made Capped, at 02 o'clock, -, within 8 inches of joint: NO, 6"221.6 ft. DSZ - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish221.6 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish221.6 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish221.6 ft. MSA - Survey Abandoned - DUE TO PIPE CONDITIONS.

Observation photos (3)

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

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

  • 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

  • Deposits Settled Other,  10 %of cross sectional area, from 05 to 07 o'clock,  , within 8 inches of joint: YES, Start - DEBRIS

    82.1 ft. - Deposits Settled Other, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS

Observations (13)

DistanceCodeObservation
36.2TFC
138.1TFC
0MWM
221.6DSZ
2SAP
187.3TFC
0AMH20 0073
82.1DSZDEBRIS
221.6SAP
2SSS
221.6SSS
0MWL
221.6MSADUE TO PIPE CONDITIONS.

Properties (6)

additional_info
SC398847
custom_field_two
2
customer
LACSD
datetime
2020-03-30T22:39:20-07:00
documentation
PRO PIPE
is_lateral_inspection
false