Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Jan 4, 2022, 07:48 AM
  • 20 0021_20 0020_01042022_001749.mp4

Date
01/03/2022
W/O
931519
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00734
PipeID
P18943
Time
11:48 PM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
Pre-Cleaning
No Pre-Cleaning
Media Label
K9812
Sewer Name
20 AVENUE "P-8" TRUNK
City
PALMDALE
Loc. details
Main Highway - Urban
Location Code
A
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
04
Purpose
Routine Assessment
Project
WO_931519_TV20017_JAN2022
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
21 in.
Width
21 in.
Upstream MH
20 0021
Downstream MH
20 0020
Dir. of Survey
Downstream
Length Surveyed
450.4 ft.
Total Length
450.4 ft.
Structural Index
3
Structural Quick
3121
Structural Rating
5
O&M Index
3
O&M Quick
4131
O&M Rating
9
Overall Index
3
Overall Quick
Overall Rating
14
Pipe schematic from manhole 20 0021 to 20 0020
MH: 20 0021MH: 20 0020downstream0 ft. MWM - Water Mark, 50 %of cross sectional area0 ft. AMH - Upstream Manhole, Survey Begins - 20 00210 ft. MWL - Water Level, 20 %of cross sectional area0 ft. MGO - General Observation - CONNECTION AT MH 9 O'CLOCK2 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start5.6 ft. SAP - Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES, Start5.6 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start221.2 ft. MWL - Water Level, 40 %of cross sectional area307.7 ft. TFC - Tap Factory Made Capped, at 12 o'clock, -, within 8 inches of joint: NO, 6"368.5 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Start - DEBRIS447.4 ft. SSS - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish447.4 ft. SAP - Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES, Finish447.4 ft. DAGS - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Finish447.4 ft. DSZ - Deposits Settled Other, 15 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: YES, Finish450.4 ft. AMH - Downstream Manhole, Survey Ends - 20 0020

Observation photos (3)

  • Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock,  , within 8 inches of joint: YES, Start

    2 ft. - Deposits Attached Grease, 5 %of cross sectional area, from 03 to 09 o'clock, , within 8 inches of joint: YES, Start

  • Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES, Start

    5.6 ft. - Surface Aggregate Projecting, from 09 to 03 o'clock, within 8 inches of joint: YES, Start

  • Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start

    5.6 ft. - Surface Spalling, from 09 to 03 o'clock, within 8 inches of joint: YES, Start

Observations (15)

DistanceCodeObservation
307.7TFC
0MWM
5.6SAP
450.4AMH20 0020
5.6SSS
447.4SSS
221.2MWL
0AMH20 0021
0MWL
368.5DSZDEBRIS
0MGOCONNECTION AT MH 9 O'CLOCK
447.4SAP
2DAGS
447.4DAGS
447.4DSZ

Properties (7)

additional_info
630138010322201
custom_field_three
PROJECTING AGGREGATE/SPALLING
custom_field_two
2
customer
1
datetime
2022-01-03T23:48:23-08:00
documentation
PRO PIPE
is_lateral_inspection
false