Sanitation Districts of Los Angeles Countyt4 Spatial
Wastewater/Activity/PacpInspection/1.0Mar 14, 2022, 09:16 AM

  • 20 0058_20 0057_03142022_024018.mp4

Date
03/14/2022
W/O
941503
Weather
Dry
Operator/Surveyor
S. LOPEZ
Sewer ID
Z00742
PipeID
P18979
Time
2:16 AM
Certificate
U-0720-70309212
System Owner
1
Date Cleaned
—
Pre-Cleaning
No Pre-Cleaning
Media Label
K10007
Sewer Name
20 TRUNK "A"
City
PALMDALE
Loc. details
Main Highway - Suburban/Rural
Location Code
B
Use of Sewer
Sanitary Sewer
District
District 20
Page No.
02
Purpose
Routine Assessment
Project
RFIR_WO_941503_TV20023_MAR2022
Sewer Type
Gravity
Material
Reinforced Concrete Pipe
Shape
Circular
Height
24 in.
Width
24 in.
Upstream MH
20 0057
Downstream MH
20 0058
Dir. of Survey
Upstream
Length Surveyed
423.1 ft.
Total Length
423.1 ft.
Structural Index
3
Structural Quick
513P
Structural Rating
425
O&M Index
2
O&M Quick
2100
O&M Rating
2
Overall Index
3
Overall Quick
—
Overall Rating
427
Pipe schematic from manhole 20 0057 to 20 0058
MH: 20 0057MH: 20 0058upstream0 ft. AMH - Upstream Manhole, Survey Ends - 20 00582.7 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish2.7 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Finish69.1 ft. DSGV - Deposits Settled Gravel, 10 %of cross sectional area, from 05 to 07 o'clock, , within 8 inches of joint: NO128.4 ft. SRV - Surface Reinforcement Visible, from 10 to 02 o'clock, within 8 inches of joint: YES133.4 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"222.9 ft. TFC - Tap Factory Made Capped, at 10 o'clock, -, within 8 inches of joint: NO, 6"418.6 ft. MGO - General Observation - MAG COAT421.1 ft. SSS - Surface Spalling, from 08 to 04 o'clock, within 8 inches of joint: YES, Start421.1 ft. SAP - Surface Aggregate Projecting, from 08 to 04 o'clock, within 8 inches of joint: YES, Start423.1 ft. AMH - Downstream Manhole, Survey Begins - 20 0057423.1 ft. MWL - Water Level, 10 %of cross sectional area423.1 ft. MWM - Water Mark, 15 %of cross sectional area

Observation photos (4)

  • 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

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

  • General Observation - MAG COAT

    4.5 ft. - General Observation - MAG COAT

  • Surface Reinforcement Visible, from 10 to 02 o'clock, within 8 inches of joint: YES

    294.7 ft. - Surface Reinforcement Visible, from 10 to 02 o'clock, within 8 inches of joint: YES

All inspections of P18979Work order 941503

Observations (13)

DistanceCodeObservation
4.5MGOMAG COAT
354DSGV—
420.4SAP—
289.7TFC—
420.4SSS—
423.1AMH20 0058
2SSS—
200.2TFC—
0AMH20 0057
0MWL—
2SAP—
0MWM—
294.7SRV—

Properties (7)

additional_info
630138031422001
custom_field_three
SPALLING/PROJECTING AGGREGATE
custom_field_two
2
customer
1
datetime
2022-03-14T02:16:04-07:00
documentation
PRO PIPE
is_lateral_inspection
false